Scientific Research

At QuantAQ, we believe basic scientific research is paramount to our success and that sharing that research with our community is equally important. We believe making our research accessible to everyone is important and do our best to make everything we do open access and written in a way that everyone, regardlss of background or training, can understand.

2019

Open Access

Inferring Aerosol Sources from Low-Cost Air Quality Sensor Measurements: A Case Study in Delhi, India

David H. Hagan, Shahzad Gani, Sahil Bhandari, Kanan Patel, Gazala Habib, Joshua S. Apte, Lea Hildebrandt Ruiz, and Jesse H. Kroll. Inferring Aerosol Sources from Low-Cost Air Quality Sensor Measurements: A Case Study in Delhi, India, Environmental Science & Technology Letters Article ASAP DOI: 10.1021/acs.estlett.9b00393


2018

Open Access

Calibration and assessment of electrochemical air quality sensors by co-location with regulatory-grade instruments

Hagan, D. H., Isaacman-VanWertz, G., Franklin, J. P., Wallace, L. M. M., Kocar, B. D., Heald, C. L., and Kroll, J. H.: Calibration and assessment of electrochemical air quality sensors by co-location with regulatory-grade instruments, Atmos. Meas. Tech., 11, 315-328, https://doi.org/10.5194/amt-11-315-2018, 2018.


Open Access

Low-cost sensors for the measurement of atmospheric composition: overview of topic and future applications


2017

Open Access

Use of electrochemical sensors for measurement of air pollution: correcting interference response and validating measurements

Cross, E. S., Williams, L. R., Lewis, D. K., Magoon, G. R., Onasch, T. B., Kaminsky, M. L., Worsnop, D. R., and Jayne, J. T.: Use of electrochemical sensors for measurement of air pollution: correcting interference response and validating measurements, Atmos. Meas. Tech., 10, 3575-3588, https://doi.org/10.5194/amt-10-3575-2017, 2017.


2015

Load-dependent emissions factors and chemical characteristics of IVOCs from a medium-duty diesel engine.

Eben S. Cross, Alexander G. Sappok, Victor W. Wong, and Jesse H. Kroll Environmental Science & Technology 2015 49 (22), 13483-13491 DOI: 10.1021/acs.est.5b03954


Atmospheric Evolution of Sulfur Emissions from Kı̅lauea: Real-Time Measurements of Oxidation, Dilution, and Neutralization within a Volcanic Plume

Jesse H. Kroll, Eben S. Cross, James F. Hunter, Sidhant Pai, TREX XII, TREX XI, Lisa M. M. Wallace, Philip L. Croteau, John T. Jayne, Douglas R. Worsnop, Colette L. Heald, Jennifer G. Murphy, and Sheila L. Frankel Environmental Science & Technology 2015 49 (7), 4129-4137 DOI: 10.1021/es506119x


2013

Online measurements of the emissions of intermediate-volatility and semi-volatile organic compounds from aircraft

Cross, E. S., Hunter, J. F., Carrasquillo, A. J., Franklin, J. P., Herndon, S. C., Jayne, J. T., Worsnop, D. R., Miake-Lye, R. C., and Kroll, J. H.: Online measurements of the emissions of intermediate-volatility and semi-volatile organic compounds from aircraft, Atmos. Chem. Phys., 13, 7845-7858, https://doi.org/10.5194/acp-13-7845-2013, 2013.


2012

Real-Time Measurements of Engine-Out Trace Elements: Application of a Novel Soot Particle Aerosol Mass Spectrometer for Emissions Characterization

Cross ES, Sappok AA, Fortner EC, et al. Real-Time Measurements of Engine-Out Trace Elements: Application of a Novel Soot Particle Aerosol Mass Spectrometer for Emissions Characterization. ASME. J. Eng. Gas Turbines Power. 2012;134(7):072801-072801-10. doi:10.1115/1.4005992.


Radiative Absorption Enhancements Due to the Mixing State of Atmospheric Black Carbon

Christophre D. Cappa, Timothy B. Onasch, Paola Massoli, Douglsa R. Worsnop, Timothy S. Bates, Eben S. Cross, Paul Davidovits, Jani Hakala, Katherine L. Hayden, B. Tom Jobson, Kathyren R. Kolesar, Daniel A. Lack, Brian M. Lerner, Shao-Meng Li, Daniel Mellon, Ibraheem Nuaaman, Jason S. Olfert, Tuukka Petaja, Patricia K. Quinn, Chen Song, R. Subramanian, Eric J. Williams, Rahul A. Zaveri. 2012, “Radiative Absorption Enhancements due to the Mixing State of Atmospheric Black Carbon.” Science, 2012, 337, 1078-1081, doi: 10.1126/science.1223447.


Evolution of Vehicle Exhaust Particles in the Atmosphere

Manjula R. Canagaratna, Timothy B. Onasch, Ezra C. Wood, Scott C. Herndon, John T. Jayne, Eben S. Cross, Richard C. Miake-Lye, Charles E. Kolb & Douglas R. Worsnop (2010) Evolution of Vehicle Exhaust Particles in the Atmosphere, Journal of the Air & Waste Management Association, 60:10, 1192-1203, DOI: 10.3155/1047-3289.60.10.1192


2010

Soot Particle Studies—Instrument Inter-Comparison—Project Overview

Eben S. Cross, Timothy B. Onasch, Adam Ahern, William Wrobel, Jay G. Slowik, Jason Olfert, Daniel A. Lack, Paola Massoli, Christopher D. Cappa, Joshua P. Schwarz, J. Ryan Spackman, David W. Fahey, Arthur Sedlacek, Achim Trimborn, John T. Jayne, Andrew Freedman, Leah R. Williams, Nga L. Ng, Claudio Mazzoleni, Manvendra Dubey, Benjamin Brem, Greg Kok, R. Subramanian, Steffen Freitag, Antony Clarke, Dwight Thornhill, Linsey C. Marr, Charles E. Kolb, Douglas R. Worsnop & Paul Davidovits (2010) Soot Particle Studies—Instrument Inter-Comparison—Project Overview, Aerosol Science and Technology, 44:8, 592-611, DOI: 10.1080/02786826.2010.482113