Sprowls, M.; Victor, S.; Mora, S.J.; Osorio, O.; Pyznar, G.; Destaillats, H.; Wheatley-Guy, C.; Johnson, B.; Kulick, D.; Forzani, E. A Smart System for the Contactless Measurement of Energy Expenditure. Sensors 202222, 1355.


Development of a new Aerosol Barrier Mask for mitigation of spread of SARS-CoV-2 and other infectious pathogens, Karam Abi Karam, Piyush Hota, S. Jimena Mora, Amelia Lowell, Kelly McKay, Xiaojun Xian, Bhavesh Patel, Erica Forzani. Respiratory Medicine, 2021, 181:106381. doi: 10.1016/j.rmed.2021.106381

S. Jimena Mora, Mark Sprowls, Vishal V. Tipparaju, Courtney M. Wheatley-Guy, Doina Kulick, Bruce Johnson, Xian Xiaojun, Erica Forzani, Comparative study of a novel portable indirect calorimeter to a reference breath-by-breath instrument and its use in telemedicine settings, Clinical Nutrition ESPEN, 2021, Vol. 46, 361-366. ISSN 2405-4577,

Stuart Lindsay, Shaopeng Wang, Erica Forzani, Ismael Díez-Pérez, and Justin Gooding, The NJ Tao We Knew, ACS Sensors 2021 6 (2), 285-289, DOI: 10.1021/acssensors.1c00118

Serhan, M.; Jackemeyer, D.; Abi Karam, K.; Chakravadhanula K.; Sprowls, M.; Cay Durgun, P.; Forzani, E.; A novel vertical flow assay for point of care measurement of iron from whole blood 2021. RSC Analyst, 146 (5), 1633-1641.

Wang, D., Zhang, F., Prabhakar, A., Qin, X., Forzani, E., Tao, N., Colorimetric Sensor for Online Accurate Detection of Breath Acetone, ACS Sensors, 2021, 6, 2, 450–453.

Shayok Chakraborty, Teresa Wu, Erica Forzani, Corrie Whisner and David Jackemeyer, Long-term Resting Metabolic Rate Analysis in Pregnancy and Weight Loss Interventions, International Journal of Prognostics and Health Management, Vol. 12 No. 4 (2021): Special Issue on PHM for Human Health & Performance.

M. Sprowls, M. Serhan, E.-F. Chao, L. Lin, V. Jammula, C. Frames, I. Kucherenko, Y. Li, M. Khine, Y. Yang, T. Lockhart, J. Claussen, L. Dong, J. Chen, J. Ren, C. Gomes, D. Kim, T. Wu, B. Narasimhan, J. Margrett, and E. Forzani, Integrated sensing systems for monitoring inter-related physiological parameters in older adults. International Journal of Prognostics and Health Management, Vol. 12 No. 4 (2021): Special Issue on PHM for Human Health & Performance.

Sprowls, M., Victor, S., Serhan, M., Destaillats, H., Wheatley-Guy, C., Johnson, B.; Kulick, D; Forzani, E. A system for contact free energy expenditure assessment under free-living conditions: Monitoring metabolism for weight loss using carbon dioxide emission. Journal of Breath Research, 2021, 15 (2), 026004. PMID: 33339005. doi: 10.1088/1752-7163/abd52f

Janina Kroell-Roesch, J.A. Syrjanen, J. Bezold, B. Barisch-Fritz, K. Boes, A. Woll, E. Forzani, W.K. Kremers, M.M. Machulda, M.M. Mielke, D.C. Kropman, R. C. Petersen, M.Vassilaki, Y.E. Geda, Physical activity and trajectory of cognitive change in older persons: Mayo Clinic Study of Aging, Journal of Alzheimer’s Disease, 2021 79 (1), 377-388. PMID: 33216032

Ochocinska MJ, Spitalnik SL, Forzani E, et. al., Workshop 2018: Towards Minimally Invasive or Noninvasive Approaches to Assess Tissue Oxygenation Pre- and Post-transfusion. Transfus Med Rev. 2021, 35(1), 46-55. PMID: 33353783


Kucherenko, I. S., Sanborn, D., Chen, B., Garland, N., Serhan, M., Forzani, E., Gomes, C., Claussen, J. C., IonSelective Sensors Based on LaserInduced Graphene for Evaluating Human Hydration Levels Using Urine Samples. Adv. Mater. Technol. 2020, 5 (6), 1901037.

E.S. Forzani, H. He, J. Hihath, S. Lindsay, R.M. Penner, S. Wang, B. Xu, Moving Electrons Purposefully through Single Molecules and Nanostructures: A Tribute to the Science of Professor Nongjian Tao (1963-2020). ACS Nano. 2020 Oct 27;14(10):12291-12312. PMID: 32940998; PMCID: PMC7718722. doi: 10.1021/acsnano.0c06017

Deng, Y., Sprowls, M., Mora, S.J., Kulick, D., Tao, N.J., Destaillats, H., and E. Forzani, An Unobstructive Sensing Method for Indoor Air Quality Optimization and Metabolic Assessment within Vehicles, Sensors 2020, 20(24), 7202. DOI:

Michael Serhan, Mark Sprowls, David Jackemeyer, Mindy Long, Ismael Diez Perez, Wolfgang Maret, Fang Chen, Nongjian Tao, and Erica Forzani, “Total iron measurement in human serum with a smartphone”, Journal of Translational Engineering in Health and Medicine, 2020, vol. 8, pp. 1-9, Art no. 2800309, doi: 10.1109/JTEHM.2020.3005308

V. V. Tipparaju, X. Xian, D. Bridgeman, D. Wang, F. Tsow, E. Forzani, and N. Tao, “Reliable Breathing Tracking With Wearable Mask Device,” IEEE Sens. J., vol. 20, no. 10, pp. 5510-5518, 2020. doi: 10.1109/JSEN.2020.2969635

V. V. Tipparaju, D. Wang, J. Yu, F. Chen, F. Tsow, E. Forzani, N. Tao, and X. Xian, “Respiration pattern recognition by wearable mask device”, Biosensors and Bioelectronics, vol.c169, p. 112590, 2020. doi:


X.J. Xian, Y. Deng, D. Wang, F. Tsow, E. Forzani, NJ Tao, Micro Quartz Tuning Fork-Based PM2.5 Sensor for Personal Exposure Monitoring, IEEE Sensors Journal, 2019 (19) 7, 2482 – 2489.

X.J. Xian, F. Tsow, S. Rai, T. Anderson, A. Prabhakar, M. Terrera, B. Ainsworth, D. Jackemeyer, N.J. Tao, E.S. Forzani, “Personal mobile tracking of resting and post-exercise energy expenditure reflects EPOC effects for enhanced high-intensity interval training (HIIT) intervention”, Gazzeta Medica Italiana – Arch Sci Med., 2019, Vol. 178 (11), 868-879. DOI: 10.23736/S0393-3660.18.03945-1


CW Lin, Y Zhu, JJ Yu, XC Qin, XJ Xian, F Tsow, ES Forzani, D Wang, NJ Tao, “Gradient-Based Colorimetric Sensors for Continuous Gas Monitoring”, Analytical Chemistry, 2018, 90(8), 5375-5380.

CW Lin, XJ Xian, XC Qin, D Wang, F Tsow, ES Forzani, NJ Tao, “High Performance Colorimetric Carbon Monoxide Sensor for Continuous Personal Exposure Monitoring”, ACS Sensors, 2018, 3(2) 327-333.

Nai-Yuan Liu, Yue Deng, Francis Tsow, Devon Bridgeman, Xiaojun Xian, Jane J Dean, Janet L Wilson, Nongjian Tao, Doina Kulick, and Erica Forzani, Evaluation of a thermal-based flow meter for assessment of mobile resting metabolic rate measures, Journal of Sensors, 2018, Article ID 9186475. 

Yue Deng, Nai-Yuan Liu, Francis Tsow, Xiaojun, Xian, Rosa Krajmalnik-Brown, Nongjian Tao, and Erica Forzani, Tracking personal health-environment interaction with novel mobile sensing devices, Sensors, 2018, 18(8), 2670.  

Nai-Yuan Liu, Pinar Cay-Durgun, Tianmiao Lai, Mark Sprowls, Leslie Thomas, Mary Laura Lind and Erica Forzani, A handheld, colorimetric optoelectronic dynamics analyzer (CODA) for measuring total ammonia of biological samples, IEEE Journal of Translational Engineering in Health and Medicine, 2018, 6(1), Article ID: 2800610, pp 1-10. 

Ruiz, Iván; Sprowls, Mark; Deng, Yue; Destaillats, Hugo; Kulick, Doina; Forzani, Erica; Assessing Metabolic Rate & Indoor Air Quality with Passive Environmental Sensors”, Journal of Breath Research, 2018, 12(3), 036012.


Stump C, Jackemeyer D, Abidov Y, Herbst K, Tao N, Forzani E, Study of the Effect of Mobile Indirect Calorimeter on Weight Management. Glob J Obes Diabetes Metab Syndr., 2017, 4(2): 044-050. DOI:

Forzani E, Stump C, Tao N, Abidov Y, Jackemeyer D, Herbst K, Study of the Effect of Mobile Indirect Calorimeter on Weight Management. Surgery for Obesity and Related Diseases, 13(10) S88, 2017.

Deng, Y., Liu N-Y., Tsow, F., Xian, XJ, E. Forzani,Adsorption Thermodynamic Analysis of a Quartz Tuning Fork Based Sensor for Volatile Organic Compounds Detection”, ACS Sensors, 2017, 2(11), 1662-1668.

Deng, Y., F. Chen, E. Forzani, and V. Juturu. “Capsaicinoids Enhance Metabolic Rate in Normal Healthy Individuals using a Novel Metabolic Tracker Breezing Device-An Open Label Placebo Controlled Acute Study“. Obes: Open Access, 2017, 3, no. 2.

D. Bridgeman, F. Tsow, XJ Xian, Q Chang, Y.M. Liu, E.S Forzani, “Thermochemical Humidity Detection in Harsh or Non-Steady Environments”, Sensors 201717(6), 1196. doi:10.3390/s17061196

C. Stump, D. Jackemeyer, X.J. Xian, F. Tsow, Y. Abidov, K. Herbst, N.J. Tao, E.S. Forzani, “Study of the Effect of Mobile Indirect Calorimeter on Weight Management”, Glob J Obes Diabetes Metab Syndr, 2017 4(2): 044-050.

D. Jackemeyer, E. Forzani, C. Whisner, “Study of Resting Energy Expenditure and Weight Changes during Pregnancy”. Glob J Obes Diabetes Metab Syndr, 2017, 4(1): 016-023.


Y. Deng, C. Chen, X.J. Xian, F. Tsow, G. Verma, R. McConnell, S. Fruin, E.S. Forzani, and N.J. Tao, “A Novel Wireless Wearable VOC Monitoring Device with Disposable Sensors”, Sensors Journal, 2016, 16(12), 2060. doi:10.3390/s16122060

D. Bridgeman, F. Tsow, X.J. Xian, and E.S Forzani, New differential pressure flow meter for measurement of human breath flow: Simulation and Experimental Investigation, AiCHE Journal, 2016, 62(3), 956–964. 


A. Prabhakar, A. Quach, H. Zhang, M. Terrera, D. Jackemeyer, X.J. Xian, F. Tsow, N.J. Tao, E.S Forzani, “Acetone as biomarker for ketosis buildup capability-a study in healthy individuals under combined high fat and starvation diets“, Nutrition Journal, 2015, 14(41).

Y. Deng, C. Chen, F. Tsow, E. Forzani, “Aging Effect of a Molecularly Imprinted Polymer on a Quartz Tuning Fork Sensor for Detection of Volatile Organic Compounds”, Sensors and Actuators B: Chemical, 2015, 211, 25–32. 

XC Qin, R Wang, F Tsow, E Forzani, XJ Xian, NJ Tao, “A colorimetric chemical sensing platform for real-time monitoring of indoor formaldehyde”. IEEE Sensors Journal: Chemical, 2015, 15(3), 1545-1551.


A. Prabhakar, A. Quach, D. Wang, HJ Zhang, M. Terrera, D. Jackemeyer, XJ Xian, F. Tsow, N.J. Tao, and E.S. Forzani, “Breath Acetone as Biomarker for Lipid Oxidation and Early Ketone Detection”, Glob J Obes Diabetes Metab Syndr, 2014, 1(1): 103.

D. Bridgeman, J. Corral, A. Quach, X.J. Xian, E. Forzani, Colorimetric Humidity Sensor Based on Liquid Composite Materials for the Monitoring of Food and Pharmaceuticals”, Langmuir, 2014, 30(35), 10785-10791. 

D. Zhao, D. Miller, X. Xian, F. Tsow, and E. Forzani, “A novel real-time carbon dioxide analyzer for health and environmental applications“, Sensors and Actuators B: Chemical, 2014, 195, 171-176.

D. Zhao XJ Xian, M. Terrera, R. Krishnan, D. Miller, K. Tao, F. Tsow, NJ Tao, E.S. Forzani, “A new pocket-sized metabolic analyzer for assessment of resting energy expenditure and respiratory quotient”. Clinical Nutrition, 2014, 33(2), 341-347. 


D. Zhao, D. Miller, D.D. Shao, X.J. Xian, F. Tsow, R.A. Iglesias, and E.S. Forzani, “A personal device for analyzing carbon dioxide in real time and real breath:  Experimental investigations and Computational Simulations”, Sensors and Actuators B – Chemical, 2013, 183, 627-635. 

H.B. Feng, J. Lu, J.H. Li, F. Tsow, E. Forzani, N.J. Tao; “Hybrid Mechanoresponsive Polymer Wires Under Force Activation”, Advanced Materials, 2013, 25(12), 1729-1733.

C. Chen, F. Tsow, K. Driggs Campbells, R.A. Iglesias, E.S. Forzani, N.J. Tao, “A wireless hybrid chemical sensor for detection of environmental volatile organic compounds”, IEEE Sensors Journal, 2013, 13(5), 1748-1755. 


A. Prabhakar, R.A. Iglesias, X.N. Shan, X.J. Xian, L. Zhang, F. Tsow, E.F. Forzani, N.J. Tao, “Online Sample Conditioning for Portable Breath Analyzers”, Analytical Chemistry, 2012, 84(16), 7172-7178. 

C. Chen, K. Driggs Campbells, I. Negi, R.A. Iglesias, P. Owens, NJ Tao, Francis Tsow, E.S. Forzani, “A New Sensor for the Assessment of Personal Exposure to Volatile Organic Compounds”, Atmospheric Environment, 2012, 54, 679687. 

R. Wang, A. Prabhakar, R.A Iglesias, X. Xian, X. Shan, F. Tsow, E. Forzani, NJ Tao, “A microfluidic- colorimetric sensor for continuous monitoring of reactive environmental chemicals”, IEEE Sensors Journal, 2012, 12(5), 1529 – 1535.


I. Negi, F. Tsow, K. Tanwar, L. Zhang, R.A. Iglesias, C. Chen, A. Rai, E.S. Forzani, NJ Tao, “Novel monitor paradigm for real-time exposure assessment”, Journal of Exposure Science and Environmental Epidemiology, 2011, 21(4), 419-426.


Prabhakar, R.A. Iglesias, R. Wang, F. Tsow, E.F. Forzani, and N.J. Tao, “Ultrasensitive detection of Nitrogen Oxides over a nanoporous membrane”, Analytical Chemistry, 2010, 82(23), 9938-9940.

A. Díaz Aguilar, E.S. Forzani, M. Leright, F. Tsow, A. Cagan, R.A. Iglesias, L.A. Nagahara, I. Amlani, R. Tsui and N.J. Tao, “A hybrid nanosensor for TNT vapor detection”, Nano Letters, 2010, 10(2), 380-384.

L. Zhang, F. Tsow, E. Forzani, NJ Tao, “Reversible oxygen gas sensor based on electrochemiluminescence”, Chemical Communications, 2010, 46(19), 3333–3335.


R.A. Iglesias, F. Tsow, R. Wang , E.S. Forzani, N.J. Tao, “Hybrid separation and detection device for analysis of BTEX in complex samples”, Analytical Chemistry, 2009, 81(21), 8930-8935.

A. Rai, F. Tsow, S. Nassirpour, J. Bankers, M. Spinatsch, M. Pete He, E. Forzani, and N. J. Tao, “Selective Detection of Sulfur Derivatives Using Microfabricated Tuning Fork-Based Sensors”, Sensors and Actuators B-Chemical, 2009, 140(2), 490-499.  

F. Tsow, E. Forzani, A. Rai, R. Tsui, S. Mastroianni, C. Knobbe, A.J. Gandolfi, and N.J. Tao, “A Wearable & Wireless Sensor System for Real-time Monitoring of Environmental Volatile Organic Toxicants”, IEEE Sensors, 2009, 9(12), 1734-1740.

R. Wang, F. Tsow, X.Z. Zhang, J.H. Peng, E.S. Forzani, Y.S. Chen, J.C. Crittenden, H. Destaillats, “Real-Time Ozone Detection Based on a Microfabricated Quartz Crystal Tuning Fork Sensor”, Sensors, 2009, 9(7), 5655-5663.

E.S. Forzani, D. Lu, M. Leright, A. Diaz Aguilar, F. Tsow, R. Iglesias, Q. Zhang, J. Lu, J.H. Li, N.J. Tao, “A Hybrid Electrochemical-Colorimetric Sensing Platform for Detection of Explosives”, Journal of the American Chemical Society, 2009, 131(4), 1390–1391.


J. He,E. Forzani, L. Nagahara, N.J. Tao and S. Lindsay, “Charge transport in mesoscopic conducting polymer wires”, Journal of Physics: Condensed matter, Special Issue: Conductivity of single molecules and supramolecular architectures, 2008, 20 (37), 374120.

A. Diaz Aguilar, E.S. Forzani, I. Amlani, L.A. Nagahara, R. Tsui, N.J. Tao, “A Breath Ammonia Sensor Based on Conducting Polymer Nanojunctions”, IEEE Sensors Journal, 2008, 8(3), 269-273.

F. Tsow, E.S. Forzani, N.J. Tao, “Frequency-Coded Chemical Sensors”, Analytical Chemistry, 2008, 80(3), 606-611.

K.J. Foley, E.S. Forzani, L. Joshi, N.J. Tao, “Detection of lectin–glycan interaction using high resolution surface plasmon resonance”, Analyst, 2008, 133, 744.


E.S. Forzani, X. Li, N.J. Tao, “Hybrid Amperometric and Conductometric Chemical Sensor Based on Conducting Polymer Nanojunctions”, Analytical Chemistry, 2007, 79(12), 5217-5224.

S.P. Wang, E.S. Forzani, N.J. Tao, “Detection of Heavy Metal Ions in Water by High-Resolution Surface Plasmon Resonance Spectroscopy Combined with Anodic Stripping Voltammetry”, Analytical Chemistry, 2007, 79(12), 4427-4432.

E.S. Forzani, K. Foley, P. Westerhoff, N.J. Tao, “Detection of arsenic in groundwater using a surface plasmon resonance sensor”, Sensors and Actuators B, 2007, 123, 82–88.

T. Dastagir, E.S Forzani, R. Zhang, I. Amlani, L.A. Nagahara, R. Tsui, N.J. Tao, “Electrical detection of hepatitis C virus RNA on single wall carbon nanotube-field effect transistors, Analyst, 2007, 132(8) 738-740.


K.J. Foley, E. Forzani, N. Tao, L. Joshi, “Label-free real time detection of sugars on lectin-modified high resolution resonance (SPR) sensors”, Glycobiology, 2006, 16(11), 1156.

E.S. Forzani, X. Li, P. Zhang, N.J. Tao, R. Zhang, I. Amlani, R. Tsui, L.A. Nagahara, “Tuning the Chemical Selectivity of SWNT-FET for Detection of Heavy Metal Ions”, Small, 2006, 2(11), 1283-1291.


A. Díaz Aguilar, E.S. Forzani, X. Li, L.A. Nagahara, I. Amlani, R. Tsui, N.J. Tao, “Conducting polymer nanojunctions sensor array for real-time detection of heavy metal ions”, Applied Physics Letters, 2005, 87, 193108.

M.H. Ren, E.S. Forzani, N.J. Tao, “A Chemical Sensor Based on Microfabricated Wristwatch Tuning Forks”, Analytical Chemistry, 2005, 77, 2700-2707.

E.S. Forzani, H.Q. Zhang, W. Chen, N. Tao, “Detection of heavy metal ions in drinking water using a high-resolution differential Surface Plasmon Resonance Sensor”, Environmental Science & Technology, 2005, 39, 1257-1262.


E.S. Forzani, H.Q. Zhang, L.A. Nagahara, I. Amlani, R. Tsui, N.J. Tao “A Conducting Polymer Nanojunction Sensor for Glucose Detection”, Nano Letters, 2004, 4(9), 1785-1788.

Book Chapters (5):

C. Chen, F. Tsow, X.J. Xian, E. Forzani, N.J. Tao, and R. Tsui, “A Wearable Sensing System for Assessment of Exposures to Environmental Volatile Organic Compounds”, book chapter in m-Health Technologies, Springer, 2014.

E.S. Forzani, Chapter 3: Conducting polymer nanosensors, Recent advances in Nanoscience, M.M. Mariscal, S.A. Dassie. (Vol. Eds.), Review book in Chemical Physics, Research Signpost, 2008.

V.M. Solís and E.S. Forzani, Chapter 3: Enzymatic electrodes based on polyphenol oxidase. Basic aspects and analytical applications, Recent Development and Applications of Electroanalytical Chemistry, H Fernandez and MA Zón (Vol. Eds.) and S.G. Pandalai (Managing Ed.), Kerala, India, 2003.

E.J. Calvo, C. Danilowicz, E. Forzani, A. Wolosiuk, M. Otero, Chapter 4: Chemically Modified Electrodes with Integrated Biomolecules and Molecular Wires, Integrated Analytical Systems, Dr. Salvador Alegret (Ed.), The Netherlands, Elsevier, 2003.

E.J. Calvo, C. Danilowicz, E. Forzani, A. Wolosiuk, M. Otero, Layered protein films: quartz crystal resonator frequency and admittance analysis, Biomolecular Films: Design, Function and Applications, James F. Rusling (Ed.), New York, Marcel Dekker, Inc. 2003.