Publications

Journal

65

A Study on the Effect of Temperature Variations on FPGA-Based Multi-Channel Time-to-Digital Converters

A.H. Alshehry, S.M. Alshahry, A.K. Alhazmi, and V.P. Chodavarapu, "A Study on the Effect of Temperature Variations on FPGA-Based Multi-Channel Time-to-Digital Converters", Sensors, vol. 23, no. 18, pp. 7672, 2023.
64

Low-Cost, Real-Time Polymerase Chain Reaction System with Integrated RNA Extraction

T. Kadja, Y. Sun, V. P. Chodavarapu, "Low-Cost, Real-Time Polymerase Chain Reaction System with Integrated RNA Extraction", Sensors, vol. 23, no. 4604, 2023.
63

A Size, Weight, Power, and Cost-Efficient 32-Channel Time to Digital Converter Using a Novel Wave Union Method

S. M. Alshahry, A. H. Alshehry, A. K. Alhazmi, V. P. Chodavarapu, "A Size, Weight, Power, and Cost-Efficient 32-Channel Time to Digital Converter Using a Novel Wave Union Method," Sensors,, vol. 23, no. 6621, 2023.
62

Experimental Evaluation of Sensor Fusion of Low-Cost UWB and IMU for Localization under Indoor Dynamic Testing Conditions

C. Liu, T. Kadja, and V. P. Chodavarapu, “Experimental Evaluation of Sensor Fusion of Low-Cost UWB and IMU for Localization under Indoor Dynamic Testing Conditions”, Sensors, vol. 22, iss. 21, no. 8156, 2022.
61

Indium Tin Oxide (ITO) based Ohmic Contacts on Bulk n-GaN Substrate

B. Uppalapati, A. Kota, S. Azad, L. Muthusamy, B. T. Tran, J. H. Leach, H. Splawn, D. Gajula, V. P. Chodavarapu and G. Koley, “Indium Tin Oxide (ITO) based Ohmic Contacts on Bulk n-GaN Substrate”, ECS Journal of Solid State Science and Technology, Volume 11, no. 115008, 2022.
60

Towards a low-cost solution gait analysis using Millimeter Wave Sensor and Machine Learning

M. A. Alanazi, A. K. Alhazmi, O. Alsattam, K. Gnau, M. Brown, S. Theil, K. Jackson, V. P. Chodavarapu, "Towards a low-cost solution gait analysis using Millimeter Wave Sensor and Machine Learning", Sensors, 2022.
59

An AlGaN/GaN Dual Channel Triangular Microcantilever Based UV Detector

B. Uppalapati, D. Gajula, F. Bayram, A. Kota, A. Gunn, D. Khan, V. P. Chodavarapu, and G. Koley, "An AlGaN/GaN Dual Channel Triangular Microcantilever Based UV Detector", ACS Photonics, vol. 9 iss. 6, pp. 1908-1918, 2022.
58

Highly Flexible Stencil Printed Alkaline Ag2O-Zn Battery for Wearable Electronics

A. Kota, L. W. Kum, K. Vallurupalli, A. Gogia, A. T. Neidhard-Doll, and V. P. Chodavarapu, "Highly Flexible Stencil Printed Alkaline Ag2O-Zn Battery for Wearable Electronics", Batteries, vol. 8, iss. 7, 2022.
57

Towards Improved Inertial Navigation by Reducing Errors using Deep Learning Methodology

H. Chen, T. M. Taha, and V. P. Chodavarapu, "Towards Improved Inertial Navigation by Reducing Errors using Deep Learning Methodology", Applied Sciences, vol. 12, iss. 7, 2022.
56

Low-Cost, Real-Time Polymerase Chain Reaction System for Point-of-Care Medical Diagnosis

T. Kadja, C. Liu, Y. Sun, and V. P. Chodavarapu, "Low-Cost, Real-Time Polymerase Chain Reaction System for Point-of-Care Medical Diagnosis", Sensors, vol. 22, iss. 6, no. 2320, 2022.
55

A 6.89-MHz 143-nW MEMS Oscillator Based on a 118-dBΩ Tunable Gain and Duty-Cycle CMOS TIA

A. Kira, M. Y. Elsayed, K. Allidina, V. P. Chodavarapu, and M. N. El-Gamal, "A 6.89-MHz 143-nW MEMS Oscillator Based on a 118-dBΩ Tunable Gain and Duty-Cycle CMOS TIA" Electronics, vol 10, no. 2646, 2021.
54

Experimental Study of Thermal Management Characteristics of Mass Via Arrays

D.A. Smarra and V. P. Chodavarapu, "Experimental Study of Thermal Management Characteristics of Mass Via Arrays", Electronics, vol. 10, iss. 9, 1027, 2021.
53

Cloud-connected real-time oil condition monitoring of utility transformers using impedance spectroscopy

B. Alemayehu, A. Kota, A. Neidhard-Doll, V. Chodavarapu, and G. Subramanyam, “Cloud-Connected Real-Time Oil Condition Monitoring of Utility Transformers using Impedance Spectroscopy,” Instrumentation Science & Technology, March 2021
52

Printed Textile-Based Ag2O–Zn Battery for Body Conformal Wearable Sensors

A. Kota, A, Gogia, A. T. Neidhard-Doll, V. P. Chodavarapu, "Printed Textile-Based Ag2O–Zn Battery for Body Conformal Wearable Sensors", Sensors, vol. 21, iss. 6: 2178, 2021.
51

A Digitally-Programmable CMOS Feedback ASIC for Highly-Stable MEMS-Referenced Oscillators

M. S. Islam, S. K. Singh, G. Xereas, V. P. Chodavarapu, and S. Mandal, "A Digitally-Programmable CMOS Feedback ASIC for Highly-Stable MEMS-Referenced Oscillators", IEEE Transactions on Circuits and Systems-I, vol. 66, iss. 11, pp. 4158 - 4171, 2019
50

Wafer-Level Vacuum-Encapsulated Silicon Resonators with Arc-Welded Electrodes

G. Xereas and V. P. Chodavarapu, “Wafer-Level Vacuum-Encapsulated Silicon Resonators with Arc-Welded Electrodes", IET Micro Nano Letters, vol. 13, iss. 1, pp. 54 –57, 2018
49

Capacitive MEMS Absolute Pressure Sensor using a Modified Commercial Microfabrication Process

A. Merdassi, C. Allan, E. J. Harvey and V. P. Chodavarapu,"Capacitive MEMS Absolute Pressure Sensor using a Modified Commercial Microfabrication Process", Springer Microsystem Technologies, vol. 23, iss. 8, pp. 3215–3225, 2017
48

Wafer-Level Vacuum-Encapsulated Rate Gyroscope with High Quality Factor in a Commercial MEMS Process

A. Merdassi, M. N. Kezzo, and V. P. Chodavarapu, "Wafer-Level Vacuum-Encapsulated Rate Gyroscope with High Quality Factor in a Commercial MEMS Process", Springer Microsystem Technologies, vol. 23, iss. 8, pp. 3745–3756, 2017.
47

Wafer-Level Vacuum Encapsulated Breath-Mode Ring Resonator Fabricated in a Commercial MEMS Process

G. Xereas and V. P. Chodavarapu, "Wafer-Level Vacuum Encapsulated Breath-Mode Ring Resonator Fabricated in a Commercial MEMS Process", IET Electronics Letters, vol. 52, iss. 23, pp. 1941-1942, 2016
46

Wafer-Level Vacuum-Encapsulated Silicon Ring Resonators for Timing and Frequency References

G. Xereas and V. P. Chodavarapu, "Wafer-Level Vacuum-Encapsulated Silicon Ring Resonators for Timing and Frequency References", SPIE Journal of Micro/Nanolithography, MEMS, and MOEMS, vol. 15, iss. 3, 035004, 2016.
45

Wafer Level Vacuum Encapsulated Tri-Axial Accelerometer with Low Cross-Axis Sensitivity in an Unmodified Commercial MEMS Process

A. Merdassi, M. N. Kezzo, G. Xereas and V. P. Chodavarapu, "Wafer Level Vacuum Encapsulated Tri-Axial Accelerometer with Low Cross-Axis Sensitivity in an Unmodified Commercial MEMS Process", Sensors and Actuators: A Physical, vol. 236, pp. 25–37, 2015.
44

Wafer-Level Vacuum-Encapsulated Lame Mode Resonator with f-Q Product of 2.23e13 Hz

G. Xereas and V. P. Chodavarapu, "Wafer-Level Vacuum-Encapsulated Lame Mode Resonator with f-Q Product of 2.23e13 Hz", IEEE Electron Device Letters, vol. 36, iss.10, pp. 1079-1081, 2015.
43

Wide-Temperature Range CMOS Capacitance to Digital Convertor for MEMS Pressure Sensors

Y. Wang and V. P. Chodavarapu, "Wide-Temperature Range CMOS Capacitance to Digital Convertor for MEMS Pressure Sensors", Sensors and Actuators: A Physical, vol. 233, pp. 302–309, 2015.
42

Wafer Level Vacuum Encapsulated Capacitive Accelerometer Fabricated in an Unmodified Commercial MEMS Process

A. Merdassi, P. Yang and V. P. Chodavarapu, "Wafer Level Vacuum Encapsulated Capacitive Accelerometer Fabricated in an Unmodified Commercial MEMS Process", Sensors, vol. 15, iss. 4, pp. 7349-7359, 2015.
40

Creating Diversified Response Profiles from a Single Quenchometric Sensor Element by Using Phase-Resolved Luminescence

E. C. Tehan, R. M. Bukowski, V. P. Chodavarapu, A. H. Titus, A. N. Cartwright, and F. V. Bright, "Creating Diversified Response Profiles from a Single Quenchometric Sensor Element by Using Phase-Resolved Luminescence", Sensors, vol. 15, iss. 1, pp. 760-768, 2015.
41

Differential Wide Temperature Range CMOS Interface Circuit for Capacitive MEMS Pressure Sensors

Y. Wang and V. P. Chodavarapu, "Differential Wide Temperature Range CMOS Interface Circuit for Capacitive MEMS Pressure Sensors", Sensors, vol. 15, iss. 2, pp. 4253-4263, 2015.
39

General-Purpose High-Speed Integrated Lock-In Amplifier with 30dB Dynamic Reserve at 20MHz

A. Hu and V. P. Chodavarapu, "General-Purpose High-Speed Integrated Lock-In Amplifier with 30dB Dynamic Reserve at 20MHz", Analog Integrated Circuits and Signal Processing, vol. 75, pp. 369-382, 2013.
38

Structured Color Humidity Indicator from Reversible Pitch Tuning in Self-Assembled Nanocrystalline Cellulose Films

Y. P. Zhang, V. P. Chodavarapu, A. G. Kirk, M. P. Andrews, "Structured Color Humidity Indicator from Reversible Pitch Tuning in Self-Assembled Nanocrystalline Cellulose Films", Sensors & Actuators: B. Chemical, vol. 176, pp. 692-697, 2013.
37

A Plasmonic Thermocycler for the Amplification of Human Androgen Receptor DNA

P. J. R. Roche, L. K. Beitel, R. Khan, R. Lumbroso, M. Najih, M. C.-K. Cheung, J. Thiemann, V. Veerasubramanian, Mark Trifiro, V. P. Chodavarapu, A. G. Kirk, "A Plasmonic Thermocycler for the Amplification of Human Androgen Receptor DNA", RSC Analyst, vol. 137, pp. 4475-4481, 2012.
36

Nanocrystalline Cellulose for Covert Optical Encryption

Y. P. Zhang, V. P. Chodavarapu, A. G. Kirk, M. P. Andrews, "Nanocrystalline Cellulose for Covert Optical Encryption", SPIE Journal of Nanophotonics, vol. 6, art. 063516, 2012. [SPIE Professional Magazine October 2012: R&D Highlights, Editor's Recommendation - The color of money]
35

Silicon Optoelectronic Microelectrodes with Integrated Oxygen Sensors for Brain Machine Interfaces

M. Hajj-Hassan, V. P. Chodavarapu, S. Musallam, "Silicon Optoelectronic Microelectrodes with Integrated Oxygen Sensors for Brain Machine Interfaces", IET Micro & Nano Letters, vol. 7, pp. 392-396, 2012. [Featured Article of the Issue]
34

A 900MHz Low Power LC-VCO with Reduced Flicker-Noise Up-conversion

A. Hu and V. P. Chodavarapu, "A 900MHz Low Power LC-VCO with Reduced Flicker-Noise Up-conversion", Analog Integrated Circuits and Signal Processing, vol. 71, pp. 197-210, 2012.
33

Porous Nanostructured Encapsulation and Immobilization Materials for Optical Biosensors

M. C. Cheung, K. Y. Yung, H. Xu, N. Kraut, K. Liu, V. P. Chodavarapu, A. N. Cartwright, F. V. Bright, "Porous Nanostructured Encapsulation and Immobilization Materials for Optical Biosensors", IEEE Journal of Selected Topics in Quantum Electronics, vol. 3, pp. 1147 - 1159, 2012. [Invited Article- Special Issue on BioPhotonics]
32

Algal Fluorescence Sensor Integrated into a Microfluidic Chip for Water Pollutant Detection

F. Lefevre, A. Chalifour, L. Yu, V. Chodavarapu, P. Juneau, R. Izquierdo, "Algal Fluorescence Sensor Integrated into a Microfluidic Chip for Water Pollutant Detection", RSC Lab-on-a-Chip, vol. 4, pp. 787-793, 2012.
31

A Camera Phone Localised Surface Plasmon Biosensing Platform Towards Low Cost Label Free Diagnostic Testing

P. J. R. Roche, S. Filion-Cotem, M. C-K. Cheung, V. P. Chodavarapu, A. G. Kirk, "A Camera Phone Localised Surface Plasmon Biosensing Platform Towards Low Cost Label Free Diagnostic Testing", Journal of Sensors, Vol. 2011, Article ID 406425, 2011.
30

Response of Murine Bone Marrow-Derived Mesenchymal Stromal Cells to Dry-Etched Porous Silicon Scaffolds

M. Hajj-Hassan, M. Khayyat-Kholghi, H. Wang, V. P. Chodavarapu, J. E. Henderson, "Response of Murine Bone Marrow-Derived Mesenchymal Stromal Cells to Dry-Etched Porous Silicon Scaffolds", Journal of Biomedical Materials Research: A, vol. 99A, pp. 269-274, 2011.
29

Linearization of Oscillation Frequency for Integrated LC-VCO with Inversion-Mode Varactor

A. Hu and V. P. Chodavarapu, "Linearization of Oscillation Frequency for Integrated LC-VCO with Inversion-Mode Varactor", Analog Integrated Circuits and Signal Processing, vol. 68, pp. 307-314, 2011.
28

Contact CMOS Imaging of Gaseous Oxygen Sensor Array

D. S. Daivasagaya, L. Yao, Ka Yi Yung, M. Hajj-Hassan, M. C. Cheung, V. P. Chodavarapu, and F. V. Bright, "Contact CMOS Imaging of Gaseous Oxygen Sensor Array", Sensors and Actuators: B Chemical, vol.157, pp. 408-416, 2011.
27

CMOS Conductometric System for Growth Monitoring and Sensing of Bacteria

L. Yao, P. Lamarche, N. Tawil, R. Khan, A. M. Aliakbar, M. Hajj-Hassan, V. P. Chodavarapu and R. Mandeville, "CMOS Conductometric System for Growth Monitoring and Sensing of Bacteria", IEEE Transactions on Biomedical Circuits & Systems, vol. 3, pp. 223-230, 2011.
26

Controlling Optical Properties and Surface Morphology of Dry Etch Xenon Difluoride Porous Silicon

M. C. Cheung, P. J. R. Roche, M. Hajj-Hassan, A. G. Kirk, Z. Mi, V. P. Chodavarapu, "Controlling Optical Properties and Surface Morphology of Dry Etch Xenon Difluoride Porous Silicon, SPIE Journal of Nanophotonics, vol.5, iss. 1, art. 053503, 2011.
25

Ultra-Thin Porous Silicon Membranes Fabricated using Dry Etching

M. Hajj-Hassan, M. C. Cheung, V. P. Chodavarapu, "Ultra-Thin Porous Silicon Membranes Fabricated using Dry Etching", IET Micro & Nano Letters, vol 6. iss.4, pp. 226-228, 2011.
24

CMOS Imaging of Temperature Effects of Pin-Printed Xerogel Sensor Microarrays

L. Yao, K. Y. Yung, V. P. Chodavarapu, F. V. Bright, "CMOS Imaging of Temperature Effects of Pin-Printed Xerogel Sensor Microarrays", IEEE Transactions on Biomedical Circuits & Systems, vol. 5, iss. 2, pp. 189-196, 2011.
23

Enhancement of Luminescent Quenching based Oxygen Sensing by Gold Nanoparticles: A Comparison between Luminophore:Matrix:Nanoparticle Thin Films on Glass and Gold Coated Substrates

P. J. R. Roche, M. C. Cheung, L. Yao, A. G. Kirk, V. P. Chodavarapu, "Enhancement of Luminescent Quenching based Oxygen Sensing by Gold Nanoparticles: A Comparison between Luminophore:Matrix:Nanoparticle Thin Films on Glass and Gold Coated Substrates", SPIE Journal of Nanophotonics, vol. 4, art. 043521, 2010.
22

Handheld Impedance Biosensor System using Engineered Proteinaceous Receptors

E. Ghafar-Zadeh, S. F. Chowdhury, A. Aliakbar , R. Lambroso , V. P. Chodavarapu , L. Beitel , M. Sawan , M. Trifiro, "Handheld Impedance Biosensor System using Engineered Proteinaceous Receptors", Biomedical Microdevices, vol. 12, iss. 6, pp. 967-975, 2010.
21

Porous Silicon and Porous Polymer Substrates for Optical Chemical Sensors

M. Hajj-Hassan, S. J. Kim, M. C. Cheung, L. Yao, V. P. Chodavarapu, A. N. Cartwright, "Porous Silicon and Porous Polymer Substrates for Optical Chemical Sensors", SPIE Journal of Nanophotonics, Vol. 4, No. 043513, 2010. (Selected for SPIE Newsroom article in Biomedical Optics & Medical Imaging, 24 September 2010, SPIE Newsroom)
20

CMOS Optoelectronic Lock-in Amplifier with Integrated Phototransistor Array

A. Hu and V. P. Chodavarapu, "CMOS Optoelectronic Lock-in Amplifier with Integrated Phototransistor Array", IEEE Transactions on Biomedical Circuits & Systems, vol. 4, pp. 274-280, 2010.
19

Differential Monitoring of Bacterial Growth using CMOS Capacitive Sensors

E. Ghafar-Zadeh, M. Sawan, V. P. Chodavarapu, T. Hosseini-Nia, "Differential Monitoring of Bacterial Growth using CMOS Capacitive Sensors", IEEE Transactions on Biomedical Circuits & Systems, Vol. 4, pp. 232-238, 2010.
18

Application of Gold Quenching of Luminescence to Improve Oxygen Sensing using a Ruthenium (4,7-diphenyl-1,10-phenanthroline)3 Cl2:TEOS Thin Film

P. J. R. Roche, M. C. Cheung, K. Y. Yung, A. G. Kirk, V. P. Chodavarapu, and F. V. Bright, "Application of Gold Quenching of Luminescence to Improve Oxygen Sensing using a Ruthenium (4,7-diphenyl-1,10-phenanthroline)3 Cl2:TEOS Thin Film", Sensors and Actuators: B Chemical, Vol. 147, pp. 581-586, 2010.
17

CMOS Imaging of Pin-Printed Xerogel based Luminescent Sensor Microarrays

L. Yao, K. Y. Yung, R. Khan, V. P. Chodavarapu, F. V. Bright, "CMOS Imaging of Pin-Printed Xerogel based Luminescent Sensor Microarrays, IEEE Sensors Journal, Vol. 10, pp. 1824-1832, 2010.
16

Dry Etch Fabrication of Porous Silicon using Xenon Difluoride

M. Hajj-Hassan, M. C. Cheung, V. P. Chodavarapu, "Dry Etch Fabrication of Porous Silicon using Xenon Difluoride", IET Micro & Nano Letters, Vol. 5, pp. 63-69, 2010.
15

Sensitivity Enhanced CMOS Phase Luminometry System using Xerogel-based Sensors

L. Yao, R. Khan, V. P. Chodavarapu, V. Tripathi, F. V. Bright, "Sensitivity Enhanced CMOS Phase Luminometry System using Xerogel-based Sensors, IEEE Transactions on Biomedical Circuits & Systems, vol. 3, pp. 304-311, 2009.
14

Reinforced Silicon Neural Microelectrode Array Fabricated using Commercial MEMS Process

M. Hajj-Hassan, V. P. Chodavarapu, S. Musallam, "Reinforced Silicon Neural Microelectrode Array Fabricated using Commercial MEMS Process", SPIE Journal of Micro/Nanolithography, MEMS, and MOEMS, vol. 8, 033011, 2009. (Selected for Virtual Journal of Biological Physics Research, vol. 18, iss. 3, August 2009)
13

Micro-organism-on-Chip: Emerging Direct-Write CMOS-based Platform for Biological Applications

E. Ghafar-Zadeh, M. Sawan, V. P. Chodavarapu, "Micro-organism-on-Chip: Emerging Direct-Write CMOS-based Platform for Biological Applications", IEEE Transactions on Biomedical Circuits & Systems, vol. 3, pp. 212-219, 2009.
12

A Direct-Write Microfluidic Fabrication Process for CMOS-based Lab-on-Chip Applications

E. Ghafar-Zadeh, M. Sawan, D. Therriault, S. Rajagopalan, V. P. Chodavarapu, "A Direct-Write Microfluidic Fabrication Process for CMOS-based Lab-on-Chip Applications", Microelectronic Engineering, vol. 86, pp. 2104-2109, 2009.
11

Microfabrication of Ultra-long Reinforced Silicon Neural Electrodes

M. Hajj-Hassan, V. Chodavarapu, S. Musallam, "Microfabrication of Ultra-long Reinforced Silicon Neural Electrodes", IET Micro & Nano Letters, vol. 4, pp. 53-58, 2009. (Featured Article of the Issue)
10

Direct-Dispense Polymeric Waveguide Platform for Optical Chemical Sensors

M. Hajj-Hassan, T. Gonzalez, E. Ghafer-Zadeh, H. Djeghelian, V. Chodavarapu, M. Andrews, D. Therriault, "Direct-Dispense Polymeric Waveguide Platform for Optical Chemical Sensors", Sensors, vol. 8, pp. 7636-7648, 2008.
9

NeuroMEMS: Neural Probe Microtechnologies

M. Hajj-Hassan, V. Chodavarapu, S. Musallam, "NeuroMEMS: Neural Probe Microtechnologies", Sensors, vol. 8, pp. 6704-6726, 2008.
8

A Polypyrrole-based Strain Sensor Dedicated to Measure Bladder Volume in Patients with Urinary Dysfunction

S. Rajagopalan, M. Sawan, E. Ghafer-Zadeh, O. Savadogo, V. Chodavarapu, "A Polypyrrole-based Strain Sensor Dedicated to Measure Bladder Volume in Patients with Urinary Dysfunction", Sensors, vol. 8, pp. 5081-5095, 2008.
7

Enhanced Oxygen Detection using Porous Polymeric Gratings with Integrated Recognition Elements

S. J. Kim, V. P. Chodavarapu, A. N. Cartwright, M. T. Swihart, and T. J. Bunning, "Enhanced Oxygen Detection using Porous Polymeric Gratings with Integrated Recognition Elements", Sensors and Actuators: B Chemical, vol. 130, pp. 758-764, 2008.
6

CMOS Integrated Luminescence Oxygen Multi-Sensor System

V. P. Chodavarapu, R. M. Bukowski, A. H. Titus, A. N. Cartwright, F. V. Bright, "CMOS Integrated Luminescence Oxygen Multi-Sensor System", Electronics Letters, vol. 43, pp. 688-689, 2007.
5

Phase Fluorometric Glucose Biosensor using Oxygen as Transducer and Enzyme doped Xerogels

R. M. Bukowski, V. P. Chodavarapu, A. H. Titus, A. N. Cartwright, F. V. Bright, "Phase Fluorometric Glucose Biosensor using Oxygen as Transducer and Enzyme doped Xerogels", Electronics Letters, vol. 43, pp. 202-204, 2007.
4

CMOS based Phase Fluorometric Oxygen Sensor System

V. P. Chodavarapu, R. M. Bukowski, D. O. Shubin, A. H. Titus, A. N. Cartwright, F. V. Bright, "CMOS based Phase Fluorometric Oxygen Sensor System", IEEE Transactions on Circuits and Systems-I, vol. 54, pp. 111-118, 2007.
3

Colorimetric Porous Photonic Bandgap Sensors with Integrated CMOS Color Detectors

X. Fang, V. K. Hsiao, V. P. Chodavarapu, A.H. Titus, A. N. Cartwright, "Colorimetric Porous Photonic Bandgap Sensors with Integrated CMOS Color Detectors", IEEE Sensors Journal, vol. 6, pp. 661- 667, 2006.
2

Multi-Sensor System Based on Phase Detection, an LED Array, and Luminophore-Doped Xerogels

V. P. Chodavarapu, R. M. Bukowski, S. J. Kim, A. H. Titus, A. N. Cartwright, F. V. Bright, "Multi-Sensor System Based on Phase Detection, an LED Array, and Luminophore-Doped Xerogels", Electronics Letters, vol. 41, pp. 1031-1033, 2005.
1

Differential Read-Out Architecture for CMOS ISFET Microsystems

V. P. Chodavarapu, A. H. Titus, A. N. Cartwright, "Differential Read-Out Architecture for CMOS ISFET Microsystems", Electronics Letters, vol. 41, pp. 698-699, 2005.

Conference

58

Machine Learning Models for Human Fall Detection using Millimeter Wave Sensor

M. A. Alanazi, A. K. Alhazmi, C. Yakopcic, and V. P. Chodavarapu, "Machine Learning Models for Human Fall Detection using Millimeter Wave Sensor", Proceedings of IEEE 55th Annual Conference on Information Sciences and Systems (CISS), March 24-26, 2021.
57

A Dual-Ring Breath-Mode MEMS-Based 10.00 MHz GPS-Disciplined Reference Oscillator

M. S. Islam, G. Xereas, V. Chodavarapu, and S. Mandal, “”A Dual-Ring Breath-Mode MEMS-Based 10.00 MHz GPS-Disciplined Reference Oscillator”, Presented at the 2020 Joint Conference of the IEEE International Frequency Control Symposium & International Symposium on Applications of Ferroelectrics, Keystone, CO, July 2020.
56

GPS-Disciplined MEMS Oscillators for Amateur Radio Applications

M. S. Islam, G. Xereas, V. P. Chodavarapu, and S. Mandal, “GPS-Disciplined MEMS Oscillators for Amateur Radio Applications,” presented at the 2nd HamSCI Workshop, Cleveland, OH, March 2019.
55

A Study of the Heat Spreading Capabilities of Mass Via Arrays (MVA)

D. A. Smarra, M.C. Wicks, and V.P. Chodavarapu, and "A Study of the Heat Spreading Capabilities of Mass Via Arrays (MVA)", Presented at IEEE National Aerospace & Electronics Conference (NAECON), Dayton, Ohio, July 2019
54

Chip Scale Tunable Nanosecond Pulsed Electric Field Generator for Electroporation

T. Kadja, A. Kota, and V. P. Chodavarapu,"Chip Scale Tunable Nanosecond Pulsed Electric Field Generator for Electroporation", Presented at IEEE National Aerospace & Electronics Conference (NAECON), Dayton, Ohio, July 2019
53

5000+ Hours Operation of High Temperature Digital Smart Node for Distributed Jet Engine Control

S. P. Gogineni, C. J. Ruscher, V. P. Chodavarapu, G. Subramanyam, K. Semega, and A. Behbahani, "5000+ Hours Operation of High Temperature Digital Smart Node for Distributed Jet Engine Control", To be Presented at the AIAA 2019 AIAA Propulsion and Energy Forum and Exposition (ITAR Session), Indianapolis, 2019
52

Frequency Analysis of a Stand-Alone Shoe-Mounted Localization Device

P. Merat, E. J. Harvey, G. D. Mitsis, and V. P. Chodavarapu, “Frequency Analysis of a Stand-Alone Shoe-Mounted Localization Device”, Proceedings of IEEE National Aerospace & Electronics Conference (NAECON), Dayton, Ohio, July 2018.
51

A Stencil Printed Textile-based Silver-Zinc Battery for Powering Sensors

A. Kota, A. Neidhard-Doll, and V. P. Chodavarapu, “A Stencil Printed Textile-based Silver-Zinc Battery for Powering Sensors”, Proceedings of IEEE National Aerospace & Electronics Conference (NAECON), Dayton, Ohio, July 2018.
50

A Generalized 1-Dimensional Temperature Model for Mass Via Arrays (MVA)

D. A. Smarra, M. Wicks, and V. P. Chodavarapu, “A Generalized 1-Dimensional Temperature Model for Mass Via Arrays (MVA)”, Proceedings of IEEE National Aerospace & Electronics Conference (NAECON), Dayton, Ohio, July 2018.
49

Improving Inertial Sensor Performance by Reducing Errors using Deep Learning Methodology

H. Chen, P. Agarwal, T. M. Taha and V. P. Chodavarapu, “Improving Inertial Sensor Performance by Reducing Errors using Deep Learning Methodology”, Proceedings of IEEE National Aerospace & Electronics Conference (NAECON), Dayton, Ohio, July 2018
48

Microfabrication and Packaging Process for a Single-Chip Position, Navigation, and Timing System

Junjun Huan, Vamsy P. Chodavarapu, George Xereas and Charles Allan, "Microfabrication and Packaging Process for a Single-Chip Position, Navigation, and Timing System", Proceedings of International Microelectronics Assembly and Packaging Society (IMAPS), Raleigh, NC, October 2017.
47

Embedded Passive Circuit Elements in Low Temperature Co-Fired Ceramic Substrates for Aerospace Electronics

Devin A. Smarra, Guru Subramanyam, Vamsy P. Chodavarapu, Sivaram P. Gogineni, Kenneth J. Semega and Alireza R. Behbahani, "Embedded Passive Circuit Elements in Low Temperature Co-Fired Ceramic Substrates for Aerospace Electronics", Proceedings of International Microelectronics Assembly and Packaging Society (IMAPS) Symposium, Raleigh, NC, October 2017.
46

Towards Autonomous Depth Perception for Surveillance in Real World Environments

Gayatri M. Behara and Vamsy P. Chodavarapu,"Towards Autonomous Depth Perception for Surveillance in Real World Environments", Proceedings of IEEE International Conference on Autonomic Computing (ICAC), Columbus, Ohio, July 2017.
45

Towards Autonomous Surveillance in Real World Environments

Gayatri M. Behara and Vamsy P. Chodavarapu, "Towards Autonomous Surveillance in Real World Environments", Proceedings of IEEE National Aerospace & Electronics Conference (NAECON), Dayton, Ohio, June 2017
44

Design and Analysis of Wafer-level Vacuum-Encapsulated Disk Resonator

Balaadithya Uppalapati, Jalal Ahamed, Vamsy P. Chodavarapu, "Design and Analysis of Wafer-level Vacuum-Encapsulated Disk Resonator", Proceedings of IEEE National Aerospace & Electronics Conference, (NAECON), Dayton, Ohio, June 2017
43

Energy Harvesting Flexible Regenerative Power Source for Wearable Devices

Ritu Kumar, Guru Subramanyam and Vamsy P. Chodavarapu, "Energy Harvesting Flexible Regenerative Power Source for Wearable Devices", IEEE National Aerospace and Electronics Conference, Dayton, OH, July 2016.
42

Wafer-Level Vacuum-Encapsulated Ultra-Low Voltage Tuning Fork MEMS Resonator

Junjun Huan, George Xereas and Vamsy P. Chodavarapu, "Wafer-Level Vacuum-Encapsulated Ultra-Low Voltage Tuning Fork MEMS Resonator", IEEE National Aerospace and Electronics Conference, Dayton, OH, July 2016.
41

Wide Temperature Range Resonant-Mode Absolute MEMS Pressure Sensor

G. Xereas, C. Allan and V. P. Chodavarapu, "Wide Temperature Range Resonant-Mode Absolute MEMS Pressure Sensor", Proceedings of IEEE National Aerospace and Electronics Conference, Dayton, Ohio, June 2015.
40

Design of a Sigma-Delta Modulator in Standard CMOS Process for Wide-Temperature Operation

Y. Wang and V. P. Chodavarapu, "Design of a Sigma-Delta Modulator in Standard CMOS Process for Wide-Temperature Operation", Proceedings of IEEE International Symposium on Quality Electronic Design (ISQED), Santa Clara, California, March 2015.
39

Nanocrystalline Cellulose Thin Films for Optical Encryption

Y. P. Zhang, K. Allahverdyan, T. Morse, V. P. Chodavarapu, A. G. Kirk, T. Galstian. M. P. Andrews,"Nanocrystalline Cellulose Thin Films for Optical Encryption", Proceedings of SPIE Optics and Photonics Conference, San Diego, August 2014. (Invited)
38

High-Temperature General Purpose Operational Amplifier in IBM 0.13 μm CMOS Process

Y. Wang and V. P. Chodavarapu, "High-Temperature General Purpose Operational Amplifier in IBM 0.13 μm CMOS Process", Proceedings of IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Chengdu, China, June 2014.
37

All-Digital Time-Mode Elliptic Filters Based on the Operational Simulation of LC Ladders

M. Abdelfattah, G. W. Roberts, and V. P. Chodavarapu, "All-Digital Time-Mode Elliptic Filters Based on the Operational Simulation of LC Ladders", Proceedings of IEEE International Symposium on Circuits and Systems (ISCAS), Melbourne, Australia, June 2014.
36

Wide-Temperature Range 8-bit Digital to Analog Converter in Bulk CMOS Process

K. Greig and V. P. Chodavarapu, "'Extreme Wide-Temperature Range 8-bit Digital to Analog Converter in Bulk CMOS Process", Proceedings of IEEE Canadian Conference on Electrical and Computer Engineering (CCECE), Toronto, May 5 2014.
35

Design of a CMOS Readout Circuit for Wide-Temperature Range Capacitive MEMS Sensors

Y. Wang and V. P. Chodavarapu, "Design of a CMOS Readout Circuit for Wide-Temperature Range Capacitive MEMS Sensors", Proceedings of IEEE International Symposium on Quality Electronic Design (ISQED), Santa Clara, California, March 2014.
34

Design and Fabrication of 3-Axis Accelerometer Sensor System for Harsh Environment Applications using Semi-Custom Process

A. Merdassi, Y. Wang, G. Xereas and V. P. Chodavarapu, "Design and Fabrication of 3-Axis Accelerometer Sensor System for Harsh Environment Applications using Semi-Custom Process", Proceedings of SPIE MOEMS-MEMS Conference, San Francisco, Feb 2014.
33

Design of Active Temperature Compensated Composite Free-Free Beam MEMS Resonators in a Standard Process

G. Xereas and V. P. Chodavarapu, "Design of Active Temperature Compensated Composite Free-Free Beam MEMS Resonators in a Standard Process", Proceedings of SPIE MOEMS-MEMS Conference, San Francisco, Feb 2014.
32

Design of CMOS Capacitance to Frequency Converter for High-Temperature MEMS Sensors

Y. Wang and V. P. Chodavarapu, "Design of CMOS Capacitance to Frequency Converter for High-Temperature MEMS Sensors", Proceedings of IEEE Sensors Conference, Baltimore, November 2013.
31

Amorphous Silicon Carbide Based Anemometer for Harsh and Corrosive Air/gas flow Measurements

A. Merdassi and V. P. Chodavarapu, "Amorphous Silicon Carbide Based Anemometer for Harsh and Corrosive Air/gas flow Measurements", Proceedings of the 16th Canadian Semiconductor Science and Technology Conference, Thunder Bay, August 16 2013.
30

Design of Temperature Compensated Radio Frequency Free-Free beam MEMS Resonators using a Commercial Process

G. Xereas and V. P. Chodavarapu, "Design of Temperature Compensated Radio Frequency Free-Free beam MEMS Resonators using a Commercial Process", Proceedings of IEEE Canadian Conference on Electrical and Computer Engineering (CCECE), Regina, May 2013.
29

Design of 3-axis Capacitive Low-Gravity MEMS Accelerometer with Zero Cross-Axis Sensitivity in a Commercial Process

A. Merdassi and V. P. Chodavarapu, "Design of 3-axis Capacitive Low-Gravity MEMS Accelerometer with Zero Cross-Axis Sensitivity in a Commercial Process", Proceedings of NanoTech Conference, Washington DC, May 2013.
28

Towards Wireless Implantable Pressure Sensor to Monitor Compartment Syndrome in Trauma Victims

Y. Wang, C. Allen, S. AL-Qahtani, A. Merdassi, V. P. Chodavarapu, E. Harvey, and J. Henderson, "Towards Wireless Implantable Pressure Sensor to Monitor Compartment Syndrome in Trauma Victims", Proceedings of NanoTech Conference, Washington DC, May 2013.
27

Nanocrystalline Cellulose for Covert Optical Encryption

M. Andrews, R. Singh, T. Morse, T. Mack, Y. P. Zhang, V. P. Chodavarapu, A. G. Kirk, "Nanocrystalline Cellulose for Covert Optical Encryption", Proceedings of MRS Spring Meeting, San Francisco, April, 2013.
26

A Study of a Self Diagnostic Platform for the Detection of A2 Biomarker for Leishmania Donovani

P. J. R. Roche, M. C. K. Cheung, V. P. Chodavarapu, B. Ward, M. Ndao, A. G. Kirk, "A Study of a Self Diagnostic Platform for the Detection of A2 Biomarker for Leishmania Donovani", Proceedings of SPIE Photonics West (BiOS), San Francisco, 2012.
25

A Nanorod Polymer Micro-Array Formed by Microcontact Printing

P. J. R. Roche, S. Wang, M. C. K. Cheung, V. P. Chodavarapu, A. G. Kirk, "A Nanorod Polymer Micro-Array Formed by Microcontact Printing", Proceedings of SPIE Photonics West (BiOS), San Francisco, 2012.
24

Optical Mapping by Low-Cost Instrumentation and Disposable Chemically Induced Nanochannels

P. J. R. Roche, M. C. K. Cheung, L. Beitel, M. A. Trifiro, A. G. Kirk, V. P. Chodavarapu, "Optical Mapping by Low-Cost Instrumentation and Disposable Chemically Induced Nanochannels", Proceedings of SPIE Photonics West (BiOS), San Francisco, 2012.
23

Nanocrystalline Cellulose for Covert Optical Encryption

M. P. Andrews, Y. P. Zhang, V. P. Chodavarapu, A. K. Kirk, "Nanocrystalline Cellulose for Covert Optical Encryption", Proceedings of SPIE Photonics West (BiOS), San Francisco, 2012.
22

CMOS Direct Time Interval Measurement of Long-Lived Luminescence Lifetimes

L. Yao, K. Yi Yung, M. C. Cheung, V. P. Chodavarapu, F. V. Bright, "CMOS Direct Time Interval Measurement of Long-Lived Luminescence Lifetimes", Proceedings of IEEE EMBC Conference, Boston, 2011.
21

Origin of Iridescence in Chiral Nematic Phase Nanocrystalline Cellulose for Encryption and Enhanced Color

Yu Ping Zhang, M. Andrews, A. G. Kirk, V. P. Chodavarapu, "Origin of Iridescence in Chiral Nematic Phase Nanocrystalline Cellulose for Encryption and Enhanced Color", Proceedings of SPIE Photonics West (OPTO), San Francisco, 2011.
20

Demonstration of a Reusable Plasmonic Polymer Microarray Sensing Platform

P. J. R. Roche, M. C. Cheung, S. Taslimi, A. G. Kirk, V. P. Chodavarapu, "Demonstration of a Reusable Plasmonic Polymer Microarray Sensing Platform", Proceedings of SPIE Photonics West (BiOS), San Francisco, 2011.
19

Enhancement in Sensitivity and Detection of Luminescent Quenching based Oxygen Sensing by Gold Nanoparticles

P. J. R. Roche, M. C. Cheung, L. Yao, A. G. Kirk, V. P. Chodavarapu, "Enhancement in Sensitivity and Detection of Luminescent Quenching based Oxygen Sensing by Gold Nanoparticles", Proceedings of SPIE Photonics North, Niagara Falls, 2010.
18

Dry Etch Fabrication of Ultra-thin Porous Silicon Membranes

M. Hajj-Hassan, M. C. Cheung, V. P. Chodavarapu, "Dry Etch Fabrication of Ultra-thin Porous Silicon Membranes", Proceedings of SPIE Photonics North, Niagara Falls, 2010.
17

Dry Etched Nanoporous Silicon Substrates for Optical Biosensors

M. Hajj-Hassan, M. C. Cheung, V. P. Chodavarapu, "Dry Etched Nanoporous Silicon Substrates for Optical Biosensors", Proceedings of SPIE Photonics West (BiOS), San Francisco, 2010.
16

Enabling Intelligent Readout of Optical Signals from Nanoscale Sensors

L. Yao, V. Tripathi, K. Yi Yung, V. P. Chodavarapu, A. N. Cartwright, F. V. Bright, "Enabling Intelligent Readout of Optical Signals from Nanoscale Sensors", Proceedings of SPIE Photonics West (BiOS), San Jose, 2009. (Invited Paper)
15

Brain Machine Interfaces combining Microelectrode Arrays with Nanostructured Optical Biochemical Sensors

M. Hajj-Hassan, S. Musallam, T. Gonzalez, E. Ghafer-Zadeh, D. Therriault, V. Chodavarapu, M. Andrews, "Brain Machine Interfaces combining Microelectrode Arrays with Nanostructured Optical Biochemical Sensors", Proceedings of SPIE Photonics West (BiOS), San Jose, 2009.
14

Optical Biochemical Sensors by Direct-Writing of Nanostructured Recognition Elements

M. Hajj-Hassan, T. Gonzalez, E. Ghafer-Zadeh, V. Chodavarapu, M. Andrews, "Optical Biochemical Sensors by Direct-Writing of Nanostructured Recognition Elements", Proceedings of 30th IEEE EMBS Conference, Vancouver, 2008. (Invited Paper)
13

Bacteria Growth Monitoring through a CMOS based Capacitive Sensor

E. Ghafer-Zadeh, M. Sawan, A. Shabani, M. Zourob, V. Chodavarapu, "Bacteria Growth Monitoring through a CMOS based Capacitive Sensor", Proceedings of 14th IEEE International Mixed-Signal, Sensors, and Systems Test Workshop, Vancouver, 2008.
12

CMOS Imager Microsystem for Multi-Bacteria Detection

L. Yao, M. Hajj-Hassan, V. Chodavarapu, A. Shabani, B. Allain, M. Zourob, R. Mandeville, "CMOS Imager Microsystem for Multi-Bacteria Detection", Proceedings of IEEE NEWCAS Conference, Montreal, 2008.
11

CMOS Capacitive Sensor System for Bacteria Detection using Phage Organisms

L. Yao, M. Hajj-Hassan, E. Ghafar-Zadeh, A. Shabani, V. Chodavarapu, M. Zourob, "CMOS Capacitive Sensor System for Bacteria Detection using Phage Organisms", Proceedings of IEEE Canadian Conference on Electrical and Computer Engineering, Niagara Falls, 2008.
10

Direct-Write Patterning of Nanostructured Sensory Waveguides for Integrated Optical Bioimaging Applications

M. Hajj-Hassan, T. Gonzalez, H. Djeghelian, E. Ghafer-Zadeh, D. Therriault, V. Chodavarapu, M. Andrews, "Direct-Write Patterning of Nanostructured Sensory Waveguides for Integrated Optical Bioimaging Applications", Proceedings of SPIE Photonics West (BIOS), San Jose, 2008. (Invited Paper)
9

CMOS Microsystems for Phase Fluorometric Biochemical Monitoring

A. N. Cartwright, V. P. Chodavarapu, S. J. Kim, A. H. Titus, R. M. Bukowski, F. V. Bright, "CMOS Microsystems for Phase Fluorometric Biochemical Monitoring", Proceedings of IEEE/URSI ISSSE, Montreal, 2007.
8

CMOS Chemical and Biochemical Sensors using Nanostructured Materials

S. J. Kim, V. P. Chodavarapu, A. H. Titus, F. V. Bright, V. Govindaraju, A. N. Cartwright, "CMOS Chemical and Biochemical Sensors using Nanostructured Materials", Digest of the IEEE LEOS Summer Topical Meetings, Portland, 2007. (Invited Paper)
7

Nanostructured Porous Polymeric Photonic Bandgap Structures for Sensing

S. J. Kim, , V. P. Chodavarapu, A. H. Titus, A. N. Cartwright, M. T. Swihart, R. M. Bukowski, F. V. Bright, T. J. Bunning, "Nanostructured Porous Polymeric Photonic Bandgap Structures for Sensing", Proceedings of SPIE Photonics West (BIOS), San Jose, 2007. (Invited Paper)
6

Tunable Porous Photonic Bandgap Structures for Chemical and Biological Sensing

S. J. Kim, V. P. Chodavarapu, K. Firdous, V. K. S. Hsiao, A. N. Cartwright, M. T. Swihart, P. N. Prasad, T. J. Bunning, "Tunable Porous Photonic Bandgap Structures for Chemical and Biological Sensing", Proceedings of SPIE Optics and Photonics Conference, vol. 6322, San Diego, 2006. (Invited Paper)
5

CMOS-based Biosensor System using Integrated Nanostructured Recognition Elements

V. P. Chodavarapu, D. O. Shubin, R. M. Bukowski, A. H. Titus, A. N. Cartwright, F. V. Bright, "CMOS-based Biosensor System using Integrated Nanostructured Recognition Elements", Proceedings of SPIE Photonics West (BIOS), Vol. 6095, pp. 126-133, San Jose, 2006.
4

CMOS ISFET-based Microsystem for Biomedical Applications

V. P. Chodavarapu, A. H. Titus, A. N. Cartwright, "CMOS ISFET-based Microsystem for Biomedical Applications", Proceedings of IEEE Sensors Conference, pp. 109-112, Irvine, 2005.
3

CMOS Mixed-Signal Phase Detector for Integrated Chemical Sensor Systems

. P. Chodavarapu, D. O. Shubin, R. M. Bukowski, A. H. Titus, A. N. Cartwright, F. V. Bright, "CMOS Mixed-Signal Phase Detector for Integrated Chemical Sensor Systems", Proceedings of IEEE Sensors Conference, pp. 1068-1071, Irvine, 2005.
2

CMOS Integrated Optical Sensor using Phase Detection

V. P. Chodavarapu, S. P. Khanolkar, E. C. Tehan, A. H. Titus, A. N. Cartwright, F. V. Bright, "CMOS Integrated Optical Sensor using Phase Detection", Proceedings of IEEE Sensors Conference, pp. 1266-1270, Toronto, 2003.
1

Optical Design Tools for Photonics Engineering Education

A. N. Cartwright, P. Gopalam, V. P. Chodavarapu, B. Kirkey, "Optical Design Tools for Photonics Engineering Education", Proceedings of American Society for Engineering Education conference, paper 2024, Montreal, 2002.

Seminar

29

Ultra-high Quality Factor CMOS-MEMS Solutions for Timing and Synchronization

G. Xereas and V. P. Chodavarapu, "Ultra-high Quality Factor CMOS-MEMS Solutions for Timing and Synchronization", Presented at CMOS Emerging Technologies Conference, Vancouver, May 21, 2015.
28

Wide-temperature Range CMOS Interface Circuits for MEMS Sensors

Y. Wang and V. P. Chodavarapu, "Wide-temperature Range CMOS Interface Circuits for MEMS Sensors", Presented at CMOS Emerging Technologies Conference, Vancouver, May 20, 2015.
27

Integrated Silicon Neural Prosthetic Systems

V. P. Chodavarapu, "Integrated Silicon Neural Prosthetic Systems", Presented at CMOS Emerging Technologies Conference, Vancouver, July 18, 2012.
26

Fabrication and Modeling of Polydimethylsiloxane Replicates of Shallow Etched Porous Silicon to create a Randomized Nano-comb Structure for Tuneable DNA Separation

P. J. R. Roche, M. C. Cheung, D. Daivasagaya, M. Trifiro, V. P. Chodavarapu, A. G. Kirk," Fabrication and Modeling of Polydimethylsiloxane Replicates of Shallow Etched Porous Silicon to create a Randomized Nano-comb Structure for Tuneable DNA Separation", NanoQuebec Conference, Montreal, March 20, 2012.
25

Phase Luminometric Contact CMOS Imaging and Detection of Xerogel Sensor Array

D.S. Daivasagaya, M. C. Cheung, P. J. R. Roche and V. P. Chodavarapu, "Phase Luminometric Contact CMOS Imaging and Detection of Xerogel Sensor Array", NanoQuebec Conference, Montreal, March 20, 2012.
24

CMOS Biosensor Microsystems

V. P. Chodavarapu, "CMOS Biosensor Microsystems", Presented at CMOS Emerging Technologies Conference, Whistler, June 15, 2011.
23

Origin of Iridescence in Nanocrystalline Cellulose for Encryption and Enhanced Color

M. Andrews, Yu Ping Zhang, M. Carluer, V. P. Chodavarapu, A. G. Kirk, G. Picard, "Origin of Iridescence in Nanocrystalline Cellulose for Encryption and Enhanced Color", Presented at Materials Research Society (MRS) Fall Meeting, Boston, November 30, 2010.
22

Low Cost Integrated Systems for Impedance based Label-free Biosensors

V. P. Chodavarapu and M. Trifiro "Low Cost Integrated Systems for Impedance based Label-free Biosensors", Electric Cell-Substrate Impedance Sensing (ECIS) Users Meeting, Rensselaerville, August 27, 2010.
21

Integrated Sensors for Microenvironment Monitoring

V. P. Chodavarapu, "Integrated Sensors for Microenvironment Monitoring", Presented at Interdisciplinary Workshop on Skeletal Regeneration and Repair, Montreal, May 28, 2010.
20

CMOS Detection and Signal Processing Strategies for Biochemical Sensor Microarrays

V. P. Chodavarapu, "CMOS Detection and Signal Processing Strategies for Biochemical Sensor Microarrays", Presented at CMOS Emerging Technologies Workshop, Whistler, May 19, 2010.
19

Integrated Sensor Microsystems

V. P. Chodavarapu, "Integrated Sensor Microsystems", Presented at Canada California Strategic Innovation Partnership (CCSIP) Meeting, Vancouver, April 24, 2010.
18

CMOS Imaging of Pin-Printed Biochemical Sensor Microarrays

V. P. Chodavarapu, "CMOS Imaging of Pin-Printed Biochemical Sensor Microarrays", Presented at CMC Workshop on CMOS Imaging for Bio-Sensing Applications, Montreal, November 5, 2009.
17

Integrated Microsystems for Medical Diagnostics, Therapy, and Prosthetics

V. P. Chodavarapu, "Integrated Microsystems for Medical Diagnostics, Therapy, and Prosthetics", Presented at Association francophone pour le savoir- ACFAS (77th Annual Meeting at University of Ottawa), Ottawa, May 11, 2009.
16

CMOS Imaging of Biological and Chemical Sensor Microarrays

L. Yao, A. Tashtoush, E. Ghafer-Zadeh, R. Mandeville, V. Chodavarapu, "CMOS Imaging of Biological and Chemical Sensor Microarrays", Presented at the Canadian Institute for Photonics Innovation (CIPI) Annual Meeting, Quebec city, May 2009.
15

Integrated Point-of-Care Biosensors for Diagnostics and Therapy

V. P. Chodavarapu, K. Oh, A. H. Titus, A. N. Cartwright, F. V. Bright, "Integrated Point-of-Care Biosensors for Diagnostics and Therapy", Presented at International Congress on Biophotonics, Sacramento, 2008.
14

Interactive Web Simulation Tools for Photonics Education

M. C. Cheung, V. P. Chodavarapu, P. Golpalam, A. N. Cartwright, "Interactive Web Simulation Tools for Photonics Education", Presented at International Congress on Biophotonics, Sacramento, 2008.
13

Functionalized Photonic Crystal Sensor Elements based on Nanoporous Polymers

S. J. Kim, E. Nio, H. Xu, V. P. Chodavarapu, A. H. Titus, M. T. Swihart, A. N. Cartwright, "Functionalized Photonic Crystal Sensor Elements based on Nanoporous Polymers", Presented at Materials Research Society Symposium, Paper No. HH4.7, Boston, 2007.
12

Creating a Diversified Sensor Response from a Single Sensor System

E. C. Tehan, R. M. Bukowski, V. P. Chodavarapu, A. H. Titus, A. N. Cartwright, F. V. Bright, "Creating a Diversified Sensor Response from a Single Sensor System", Presented at PITTCON, Paper No. 2140-7, Orlando, 2006.
11

Protein Sensors using Integrated Nanostructured Sensor Elements and cmos Detectors

A. N. Cartwright, V. P. Chodavarapu, M. P. Davenport, E. C. Tehan, R. M. Bukowski, A.H. Titus, F. V. Bright, "Protein Sensors using Integrated Nanostructured Sensor Elements and cmos Detectors", Presented at SPIE Photonics West, San Jose, 2005.
10

Chemical Sensor Systems using CMOS Detector Arrays and LED Arrays

M. P. Davenport, V. P. Chodavarapu, A. H. Titus, A. N. Cartwright, E. C. Tehan and F. V. Bright, "Chemical Sensor Systems using CMOS Detector Arrays and LED Arrays", Presented at Great Lakes Photonics symposium, Cleveland, 2004.
9

Guest Seminar

"Integrated Microsystems for Science, Medicine, and Industry", Guest Seminar, Department of Electrical and Computer Engineering, Tufts University, December 3, 2013.
8

Guest Seminar

8."Integrated Microsystems for Medical Diagnostics, Therapy, and Prosthetics", Guest Seminar, Department of Electrical and Computer Engineering, University of Toronto, January 24, 2013.
7

Guest Seminar

"Integrated Microsystems for Medical Diagnostics, Therapy, and Prosthetics", Guest Seminar, Department of Electrical and Computer Engineering, University of Calgary, September 24, 2012.
6

Guest Seminar

"Integrated Microsystems for Medical Diagnostics, Therapy, and Prosthetics", Guest Seminar, Department of Electrical and Computer Engineering, University of Massachusetts Lowell, April 7, 2011.
5

Guest Seminar

"Integrated Microsystems for Biomedical Diagnostics, Therapy, and Prosthetics", Guest Seminar, Department of Chemistry, University at Buffalo, August 6, 2010.
4

Guest Seminar

"Integrated Microsystems for Medical Diagnostics, Therapy, and Prosthetics", Guest Seminar, Department of Electrical and Computer Engineering, University of Massachusetts Amherst, April 14, 2009.
3

Guest Seminar

"CMOS based Sensor Microsystems for Biochemical Monitoring", Guest Seminar, Department of Biomedical Engineering, McGill University, November 15, 2006.
2

Guest Seminar

"CMOS based Sensor Microsystems for Biochemical Monitoring", Guest Seminar, Department of Electrical Engineering, University of Maine, May 5, 2006.
1

Guest Seminar

"Integrated CMOS Optical Microsensor Systems for Biochemical Applications", Guest Seminar, GE Global Research, Niskayuna, NY, September 27, 2005.

Patent

14

United States Patent: 10,782,235

Methods and devices for xerogel based sensors, V. Chodavarapu; D. Daivasagaya; A. Merdassi; September 22, 2020
13

United States Patent: 10,604,798

"Heating mechanism for DNA amplification, extraction or sterilization usingphoto-thermal nanoparticles", Philip Roche, Andrew Kirk, Lenore Beitel, Miltiadis Paliouras, Mark Trifiro; Vamsy Chodavarapu, Mohamed Najih, Joachim Thiemann. United States Patent: 10,604,798. March 31, 2020.
12

United States Patent: 10,499,822

"Methods and Systems Relating to Biological Systems with Embedded MEMS Sensors ", Edward Harvey, Vamsy Chodavarapu, Charles Allan, United States Patent: 10,499,822, December 10, 2019.
11

United States Patent: 10,488,339

"Frequency domain fluorescence measurement system", V. P. Chodavarapu, United States Patent: 10,488,339. November 26, 2019.
10

United States Patent: 10,291,200

Methods and Devices for Microelectromechanical Resonators, G. Xereas and V. P. Chodavarapu, United States Patent: 10,291,200. May 14, 2019.
9

United States Patent: 10,093,971

"Heating mechanism for DNA amplification, extraction or sterilization usingphoto-thermal nanoparticles", Philip Roche, Andrew Kirk, Lenore Beitel, Miltiadis Paliouras, Mark Trifiro; Vamsy Chodavarapu, Mohamed Najih, Joachim Thiemann. United States Patent: 10,093,971. October 9, 2018.
8

United States Patent: 9,816,132

"Heating mechanism for DNA amplification, extraction or sterilization using photo-thermal nanoparticles", Philip Roche, Andrew Kirk, Lenore Beitel, Miltiadis Paliouras, Mark Trifiro; Vamsy Chodavarapu, Mohamed Najih, Joachim Thiemann. United States Patent: 9,816,132. November 14, 2017.
7

United States Patent Application No.: 20180319508

"Secure Smart Node and Data Concentrator for Distributed Engine Control", V. P. Chodavarapu and G. Subramanyam. United States Patent Application No. 20180319508. November 8, 2018.
6

United States Patent Application No. 20160002026

"Methods and Devices for MEMS Pressure Sensors", C. Allan, A. Merdassi, V. P. Chodavarapu, United States Patent Application No. 20160002026. January 7, 2016.
5

United States Patent Application: 20190135616

"Deep Learning Software Enhanced MEMS based IMU", P. Aggarwal, V. P. Chodavarapu. United States Patent Application: 20190135616, May 9, 2019.
4

United States Patent Application: 20160033413

"Methods and Devices for Xerogel Based Sensors", V. P. Chodavarapu and D. S. Daivasagaya, United States Patent Application: 20160033413, February 4, 2016.
3

United States Patent: 8,653,833

"Self Calibrating High Throughput Integrated Impedance Spectrometer for Biological Applications", V. P. Chodavarapu and M. A. Trifiro, United States Patent: 8,653,833. February 18, 2014.
2

United States Patent: 8,263,986

"Optically Interrogated Solid State Biosensors Incorporating Porous Materials - Devices ", M. Hajj-Hassan, V.P. Chodavarapu, S. Musallam, United States Patent: 8,263,986. September 11, 2012.
1

United States Patent: 7,794,584

"pH-Change Sensor and Method", V. P. Chodavarapu, A. H. Titus and A. N. Cartwright, R. M. Bukowski, F. V. Bright, United States Patent: 7,794,584, September 14, 2010

Copyright

1

Wearable system for Managing Memory Training, Brain Cognition and Rehablitation

"Wearable system for Managing Memory Training, Brain Cognition and Rehablitation", V. P. Chodavarapu, United States Copyright, 2014.

Book

1

"CMOS Photodetectors" in Photodiodes

"CMOS Photodetectors" in Photodiodes: World Activities in 2011, ISBN 978-953-307-530-3, InTech Press, A. H. Titus, M. C. Cheung, V. P. Chodavarapu, 2011.

Thesis

1

Integrated CMOS based Sensor Microsystems for Biochemical Monitoring

V. P. Chodavarapu, "Integrated CMOS based Sensor Microsystems for Biochemical Monitoring", Ph. D. Dissertation, Department of Electrical Engineering, University at Buffalo, The State University of New York, June 2006.

Publications

Journal

A Study on the Effect of Temperature Variations on FPGA-Based Multi-Channel Time-to-Digital Converters

A.H. Alshehry, S.M. Alshahry, A.K. Alhazmi, and V.P. Chodavarapu, "A Study on the Effect of Temperature Variations on FPGA-Based Multi-Channel Time-to-Digital Converters", Sensors, vol. 23, no. 18, pp. 7672, 2023.

Low-Cost, Real-Time Polymerase Chain Reaction System with Integrated RNA Extraction

T. Kadja, Y. Sun, V. P. Chodavarapu, "Low-Cost, Real-Time Polymerase Chain Reaction System with Integrated RNA Extraction", Sensors, vol. 23, no. 4604, 2023.

A Size, Weight, Power, and Cost-Efficient 32-Channel Time to Digital Converter Using a Novel Wave Union Method

S. M. Alshahry, A. H. Alshehry, A. K. Alhazmi, V. P. Chodavarapu, "A Size, Weight, Power, and Cost-Efficient 32-Channel Time to Digital Converter Using a Novel Wave Union Method," Sensors,, vol. 23, no. 6621, 2023.

Experimental Evaluation of Sensor Fusion of Low-Cost UWB and IMU for Localization under Indoor Dynamic Testing Conditions

C. Liu, T. Kadja, and V. P. Chodavarapu, “Experimental Evaluation of Sensor Fusion of Low-Cost UWB and IMU for Localization under Indoor Dynamic Testing Conditions”, Sensors, vol. 22, iss. 21, no. 8156, 2022.

Indium Tin Oxide (ITO) based Ohmic Contacts on Bulk n-GaN Substrate

B. Uppalapati, A. Kota, S. Azad, L. Muthusamy, B. T. Tran, J. H. Leach, H. Splawn, D. Gajula, V. P. Chodavarapu and G. Koley, “Indium Tin Oxide (ITO) based Ohmic Contacts on Bulk n-GaN Substrate”, ECS Journal of Solid State Science and Technology, Volume 11, no. 115008, 2022.

Towards a low-cost solution gait analysis using Millimeter Wave Sensor and Machine Learning

M. A. Alanazi, A. K. Alhazmi, O. Alsattam, K. Gnau, M. Brown, S. Theil, K. Jackson, V. P. Chodavarapu, "Towards a low-cost solution gait analysis using Millimeter Wave Sensor and Machine Learning", Sensors, 2022.

An AlGaN/GaN Dual Channel Triangular Microcantilever Based UV Detector

B. Uppalapati, D. Gajula, F. Bayram, A. Kota, A. Gunn, D. Khan, V. P. Chodavarapu, and G. Koley, "An AlGaN/GaN Dual Channel Triangular Microcantilever Based UV Detector", ACS Photonics, vol. 9 iss. 6, pp. 1908-1918, 2022.

Highly Flexible Stencil Printed Alkaline Ag2O-Zn Battery for Wearable Electronics

A. Kota, L. W. Kum, K. Vallurupalli, A. Gogia, A. T. Neidhard-Doll, and V. P. Chodavarapu, "Highly Flexible Stencil Printed Alkaline Ag2O-Zn Battery for Wearable Electronics", Batteries, vol. 8, iss. 7, 2022.

Towards Improved Inertial Navigation by Reducing Errors using Deep Learning Methodology

H. Chen, T. M. Taha, and V. P. Chodavarapu, "Towards Improved Inertial Navigation by Reducing Errors using Deep Learning Methodology", Applied Sciences, vol. 12, iss. 7, 2022.

Low-Cost, Real-Time Polymerase Chain Reaction System for Point-of-Care Medical Diagnosis

T. Kadja, C. Liu, Y. Sun, and V. P. Chodavarapu, "Low-Cost, Real-Time Polymerase Chain Reaction System for Point-of-Care Medical Diagnosis", Sensors, vol. 22, iss. 6, no. 2320, 2022.

A 6.89-MHz 143-nW MEMS Oscillator Based on a 118-dBΩ Tunable Gain and Duty-Cycle CMOS TIA

A. Kira, M. Y. Elsayed, K. Allidina, V. P. Chodavarapu, and M. N. El-Gamal, "A 6.89-MHz 143-nW MEMS Oscillator Based on a 118-dBΩ Tunable Gain and Duty-Cycle CMOS TIA" Electronics, vol 10, no. 2646, 2021.

Experimental Study of Thermal Management Characteristics of Mass Via Arrays

D.A. Smarra and V. P. Chodavarapu, "Experimental Study of Thermal Management Characteristics of Mass Via Arrays", Electronics, vol. 10, iss. 9, 1027, 2021.

Cloud-connected real-time oil condition monitoring of utility transformers using impedance spectroscopy

B. Alemayehu, A. Kota, A. Neidhard-Doll, V. Chodavarapu, and G. Subramanyam, “Cloud-Connected Real-Time Oil Condition Monitoring of Utility Transformers using Impedance Spectroscopy,” Instrumentation Science & Technology, March 2021

Printed Textile-Based Ag2O–Zn Battery for Body Conformal Wearable Sensors

A. Kota, A, Gogia, A. T. Neidhard-Doll, V. P. Chodavarapu, "Printed Textile-Based Ag2O–Zn Battery for Body Conformal Wearable Sensors", Sensors, vol. 21, iss. 6: 2178, 2021.

A Digitally-Programmable CMOS Feedback ASIC for Highly-Stable MEMS-Referenced Oscillators

M. S. Islam, S. K. Singh, G. Xereas, V. P. Chodavarapu, and S. Mandal, "A Digitally-Programmable CMOS Feedback ASIC for Highly-Stable MEMS-Referenced Oscillators", IEEE Transactions on Circuits and Systems-I, vol. 66, iss. 11, pp. 4158 - 4171, 2019

Wafer-Level Vacuum-Encapsulated Silicon Resonators with Arc-Welded Electrodes

G. Xereas and V. P. Chodavarapu, “Wafer-Level Vacuum-Encapsulated Silicon Resonators with Arc-Welded Electrodes", IET Micro Nano Letters, vol. 13, iss. 1, pp. 54 –57, 2018

Capacitive MEMS Absolute Pressure Sensor using a Modified Commercial Microfabrication Process

A. Merdassi, C. Allan, E. J. Harvey and V. P. Chodavarapu,"Capacitive MEMS Absolute Pressure Sensor using a Modified Commercial Microfabrication Process", Springer Microsystem Technologies, vol. 23, iss. 8, pp. 3215–3225, 2017

Wafer-Level Vacuum-Encapsulated Rate Gyroscope with High Quality Factor in a Commercial MEMS Process

A. Merdassi, M. N. Kezzo, and V. P. Chodavarapu, "Wafer-Level Vacuum-Encapsulated Rate Gyroscope with High Quality Factor in a Commercial MEMS Process", Springer Microsystem Technologies, vol. 23, iss. 8, pp. 3745–3756, 2017.

Wafer-Level Vacuum Encapsulated Breath-Mode Ring Resonator Fabricated in a Commercial MEMS Process

G. Xereas and V. P. Chodavarapu, "Wafer-Level Vacuum Encapsulated Breath-Mode Ring Resonator Fabricated in a Commercial MEMS Process", IET Electronics Letters, vol. 52, iss. 23, pp. 1941-1942, 2016

Wafer-Level Vacuum-Encapsulated Silicon Ring Resonators for Timing and Frequency References

G. Xereas and V. P. Chodavarapu, "Wafer-Level Vacuum-Encapsulated Silicon Ring Resonators for Timing and Frequency References", SPIE Journal of Micro/Nanolithography, MEMS, and MOEMS, vol. 15, iss. 3, 035004, 2016.

Wafer Level Vacuum Encapsulated Tri-Axial Accelerometer with Low Cross-Axis Sensitivity in an Unmodified Commercial MEMS Process

A. Merdassi, M. N. Kezzo, G. Xereas and V. P. Chodavarapu, "Wafer Level Vacuum Encapsulated Tri-Axial Accelerometer with Low Cross-Axis Sensitivity in an Unmodified Commercial MEMS Process", Sensors and Actuators: A Physical, vol. 236, pp. 25–37, 2015.

Wafer-Level Vacuum-Encapsulated Lame Mode Resonator with f-Q Product of 2.23e13 Hz

G. Xereas and V. P. Chodavarapu, "Wafer-Level Vacuum-Encapsulated Lame Mode Resonator with f-Q Product of 2.23e13 Hz", IEEE Electron Device Letters, vol. 36, iss.10, pp. 1079-1081, 2015.

Wide-Temperature Range CMOS Capacitance to Digital Convertor for MEMS Pressure Sensors

Y. Wang and V. P. Chodavarapu, "Wide-Temperature Range CMOS Capacitance to Digital Convertor for MEMS Pressure Sensors", Sensors and Actuators: A Physical, vol. 233, pp. 302–309, 2015.

Wafer Level Vacuum Encapsulated Capacitive Accelerometer Fabricated in an Unmodified Commercial MEMS Process

A. Merdassi, P. Yang and V. P. Chodavarapu, "Wafer Level Vacuum Encapsulated Capacitive Accelerometer Fabricated in an Unmodified Commercial MEMS Process", Sensors, vol. 15, iss. 4, pp. 7349-7359, 2015.

Creating Diversified Response Profiles from a Single Quenchometric Sensor Element by Using Phase-Resolved Luminescence

E. C. Tehan, R. M. Bukowski, V. P. Chodavarapu, A. H. Titus, A. N. Cartwright, and F. V. Bright, "Creating Diversified Response Profiles from a Single Quenchometric Sensor Element by Using Phase-Resolved Luminescence", Sensors, vol. 15, iss. 1, pp. 760-768, 2015.

Differential Wide Temperature Range CMOS Interface Circuit for Capacitive MEMS Pressure Sensors

Y. Wang and V. P. Chodavarapu, "Differential Wide Temperature Range CMOS Interface Circuit for Capacitive MEMS Pressure Sensors", Sensors, vol. 15, iss. 2, pp. 4253-4263, 2015.

General-Purpose High-Speed Integrated Lock-In Amplifier with 30dB Dynamic Reserve at 20MHz

A. Hu and V. P. Chodavarapu, "General-Purpose High-Speed Integrated Lock-In Amplifier with 30dB Dynamic Reserve at 20MHz", Analog Integrated Circuits and Signal Processing, vol. 75, pp. 369-382, 2013.

Structured Color Humidity Indicator from Reversible Pitch Tuning in Self-Assembled Nanocrystalline Cellulose Films

Y. P. Zhang, V. P. Chodavarapu, A. G. Kirk, M. P. Andrews, "Structured Color Humidity Indicator from Reversible Pitch Tuning in Self-Assembled Nanocrystalline Cellulose Films", Sensors & Actuators: B. Chemical, vol. 176, pp. 692-697, 2013.

A Plasmonic Thermocycler for the Amplification of Human Androgen Receptor DNA

P. J. R. Roche, L. K. Beitel, R. Khan, R. Lumbroso, M. Najih, M. C.-K. Cheung, J. Thiemann, V. Veerasubramanian, Mark Trifiro, V. P. Chodavarapu, A. G. Kirk, "A Plasmonic Thermocycler for the Amplification of Human Androgen Receptor DNA", RSC Analyst, vol. 137, pp. 4475-4481, 2012.

Nanocrystalline Cellulose for Covert Optical Encryption

Y. P. Zhang, V. P. Chodavarapu, A. G. Kirk, M. P. Andrews, "Nanocrystalline Cellulose for Covert Optical Encryption", SPIE Journal of Nanophotonics, vol. 6, art. 063516, 2012. [SPIE Professional Magazine October 2012: R&D Highlights, Editor's Recommendation - The color of money]

Silicon Optoelectronic Microelectrodes with Integrated Oxygen Sensors for Brain Machine Interfaces

M. Hajj-Hassan, V. P. Chodavarapu, S. Musallam, "Silicon Optoelectronic Microelectrodes with Integrated Oxygen Sensors for Brain Machine Interfaces", IET Micro & Nano Letters, vol. 7, pp. 392-396, 2012. [Featured Article of the Issue]

A 900MHz Low Power LC-VCO with Reduced Flicker-Noise Up-conversion

A. Hu and V. P. Chodavarapu, "A 900MHz Low Power LC-VCO with Reduced Flicker-Noise Up-conversion", Analog Integrated Circuits and Signal Processing, vol. 71, pp. 197-210, 2012.

Porous Nanostructured Encapsulation and Immobilization Materials for Optical Biosensors

Algal Fluorescence Sensor Integrated into a Microfluidic Chip for Water Pollutant Detection

F. Lefevre, A. Chalifour, L. Yu, V. Chodavarapu, P. Juneau, R. Izquierdo, "Algal Fluorescence Sensor Integrated into a Microfluidic Chip for Water Pollutant Detection", RSC Lab-on-a-Chip, vol. 4, pp. 787-793, 2012.

A Camera Phone Localised Surface Plasmon Biosensing Platform Towards Low Cost Label Free Diagnostic Testing

P. J. R. Roche, S. Filion-Cotem, M. C-K. Cheung, V. P. Chodavarapu, A. G. Kirk, "A Camera Phone Localised Surface Plasmon Biosensing Platform Towards Low Cost Label Free Diagnostic Testing", Journal of Sensors, Vol. 2011, Article ID 406425, 2011.

Response of Murine Bone Marrow-Derived Mesenchymal Stromal Cells to Dry-Etched Porous Silicon Scaffolds

M. Hajj-Hassan, M. Khayyat-Kholghi, H. Wang, V. P. Chodavarapu, J. E. Henderson, "Response of Murine Bone Marrow-Derived Mesenchymal Stromal Cells to Dry-Etched Porous Silicon Scaffolds", Journal of Biomedical Materials Research: A, vol. 99A, pp. 269-274, 2011.

Linearization of Oscillation Frequency for Integrated LC-VCO with Inversion-Mode Varactor

A. Hu and V. P. Chodavarapu, "Linearization of Oscillation Frequency for Integrated LC-VCO with Inversion-Mode Varactor", Analog Integrated Circuits and Signal Processing, vol. 68, pp. 307-314, 2011.

Contact CMOS Imaging of Gaseous Oxygen Sensor Array

D. S. Daivasagaya, L. Yao, Ka Yi Yung, M. Hajj-Hassan, M. C. Cheung, V. P. Chodavarapu, and F. V. Bright, "Contact CMOS Imaging of Gaseous Oxygen Sensor Array", Sensors and Actuators: B Chemical, vol.157, pp. 408-416, 2011.

CMOS Conductometric System for Growth Monitoring and Sensing of Bacteria

L. Yao, P. Lamarche, N. Tawil, R. Khan, A. M. Aliakbar, M. Hajj-Hassan, V. P. Chodavarapu and R. Mandeville, "CMOS Conductometric System for Growth Monitoring and Sensing of Bacteria", IEEE Transactions on Biomedical Circuits & Systems, vol. 3, pp. 223-230, 2011.

Controlling Optical Properties and Surface Morphology of Dry Etch Xenon Difluoride Porous Silicon