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Journal Article (22)
Patent/Patent Application (2)
Presentation (22)
Reference Type Reference Title Journal Author Citation Progress Report Year Document Sources
Journal Article Hybrid fluorometric flow analyzer for ammonia. ANALYTICAL CHEMISTRY Amornthammarong N, Jakmunee J, Li J, Dasgupta PK Amornthammarong N, Jakmunee J, Li J, Dasgupta PK. Hybrid fluorometric flow analyzer for ammonia. Analytical Chemistry 2006;78(6):1890-1896. R831074 (2007)
R831074 (Final)
Journal Article Field test of four methods for gas-phase ambient nitric acid. ATMOSPHERIC ENVIRONMENT Arnold JR, Hartsell BE, Luke WT, Ullah SMR, Dasgupta PK, Huey LG, Tate P Arnold JR, Hartsell BE, Luke WT, Ullah SMR, Dasgupta PK, Huey LG, Tate P. Field test of four methods for gas-phase ambient nitric acid. Atmospheric Environment 2007;41(20):4210-4226. R831074 (2006)
R831074 (Final)
Journal Article Gas collection efficiency of annular denuders: a spreadsheet-based calculator. ANALYTICA CHIMICA ACTA Berg JM, James DL, Berg CF, Toda K, Dasgupta PK Berg JM, James DL, Berg CF, Toda K, Dasgupta PK. Gas collection efficiency of annular denuders:a spreadsheet-based calculator. Analytica Chimica Acta 2010;664(1):56-61. R831074 (Final)
Journal Article Summertime ambient formaldehyde in five U.S. metropolitan areas: Nashville, Atlanta, Houston, Philadelphia, and Tampa. ENVIRONMENTAL SCIENCE & TECHNOLOGY Dasgupta PK, Li J, Zhang G, Luke WT, McClenny WA, Stutz J, Fried A Dasgupta PK, Li J, Zhang G, Luke WT, McClenny WA, Stutz J, Fried A. Summertime ambient formaldehyde in five U.S. metropolitan areas:Nashville, Atlanta, Houston, Philadelphia, and Tampa. Environmental Science & Technology 2005;39(13):4767-4783. R831074 (2005)
R831074 (Final)
Journal Article Conversion of sea salt aerosol to NaNO3 and the production of HCl: analysis of temporal behavior of aerosol chloride/nitrate and gaseous HCl/HNO3 concentrations with AIM. ATMOSPHERIC ENVIRONMENT Dasgupta PK, Campbell SW, Al-Horr RS, Ullah SMR, Li J, Amalfitano C, Poor ND Dasgupta PK, Campbell SW, Al-Horr RS, Ullah SMR, Li J, Amalfitano C, Poor ND. Conversion of sea salt aerosol to NaNO3 and the production of HCl:analysis of temporal behavior of aerosol chloride/nitrate and gaseous HCl/HNO3 concentrations with AIM. Atmospheric Environment 2007;41(20):4242-4257. R831074 (2006)
R831074 (2007)
R831074 (2008)
R831074 (Final)
Journal Article Chromatographic peak resolution using Microsoft Excel Solver. The merit of time shifting input arrays. JOURNAL OF CHROMATOGRAPHY A Dasgupta PK Dasgupta PK. Chromatographic peak resolution using Microsoft Excel Solver. The merit of time shifting input arrays. Journal of Chromatography A 2008;1213(1):50-55. R831074 (2008)
R831074 (Final)
Journal Article Frequency-selective absorbance detection: Refractive index and turbidity compensation with dual-wavelength measurement. TALANTA Eom IY, Dasgupta PK Eom IY, Dasgupta PK. Frequency-selective absorbance detection:Refractive index and turbidity compensation with dual-wavelength measurement. Talanta 2006;69(4):906-913. R831074 (Final)
Journal Article Monitoring and source apportionment of fine particulate matter at Lindon, Utah. AEROSOL SCIENCE AND TECHNOLOGY Grover BD, Carter CB, Kleinman MA, Richards JS, Eatough NL, Eatough DJ, Dasgupta PK, Al-Horr R, Ullah SMR Grover BD, Carter CB, Kleinman MA, Richards JS, Eatough NL, Eatough DJ, Dasgupta PK, Al-Horr R, Ullah SMR. Monitoring and source apportionment of fine particulate matter at Lindon, Utah. Aerosol Science and Technology 2006;40(10):941-951. R827993 (2002)
R827993 (2003)
R827993 (Final)
R831074 (2007)
R831074 (Final)
Journal Article Measurement of gaseous and aqueous trace formaldehyde: revisiting the pentanedione reaction and field applications. ANALYTICA CHIMICA ACTA Li J, Dasgupta PK, Luke W Li J, Dasgupta PK, Luke W. Measurement of gaseous and aqueous trace formaldehyde:revisiting the pentanedione reaction and field applications. Analytica Chimica Acta 2005;531(1):51-68. R831074 (2005)
R831074 (Final)
Journal Article Airborne bacterial spore counts by terbium-enhanced luminescence detection: pitfalls and real values. ENVIRONMENTAL SCIENCE & TECHNOLOGY Li Q, Dasgupta PK, Temkin HK Li Q, Dasgupta PK, Temkin HK. Airborne bacterial spore counts by terbium-enhanced luminescence detection:pitfalls and real values. Environmental Science & Technology 2008;42(8):2799-2804. R831074 (2008)
R831074 (Final)
Journal Article A time-gated fluorescence detector using a tuning fork chopper. ANALYTICA CHIMICA ACTA Li Q, Dasgupta PK, Temkin H Li Q, Dasgupta PK, Temkin H. A time-gated fluorescence detector using a tuning fork chopper. Analytica Chimica Acta 2008;616(1):63-68. R831074 (2008)
R831074 (Final)
Journal Article Semicontinuous automated measurement of organic carbon in atmospheric aerosol samples. ANALYTICAL CHEMISTRY Lu C, Rashinkar SM, Dasgupta PK Lu C, Rashinkar SM, Dasgupta PK. Semicontinuous automated measurement of organic carbon in atmospheric aerosol samples. Analytical Chemistry 2010;82(4):1334-1341. R831074 (Final)
Journal Article The NOAA Twin Otter and its role in BRACE: a comparison of aircraft and surface trace gas measurements. ATMOSPHERIC ENVIRONMENT Luke WT, Arnold JR, Watson TB, Dasgupta PK, Li J, Kronmiller K, Hartsell BE, Tamanini T, Lopez C, King C Luke WT, Arnold JR, Watson TB, Dasgupta PK, Li J, Kronmiller K, Hartsell BE, Tamanini T, Lopez C, King C. The NOAA Twin Otter and its role in BRACE: a comparison of aircraft and surface trace gas measurements. Atmospheric Environment 2007;41(20):4190-4209. R831074 (2006)
R831074 (Final)
Journal Article The NOAA Twin Otter and its role in BRACE: platform description. ATMOSPHERIC ENVIRONMENT Luke WT, Arnold JR, Gunter RL, Watson TB, Wellman DL, Dasgupta PK, Li J, Riemer D, Tate P Luke WT, Arnold JR, Gunter RL, Watson TB, Wellman DL, Dasgupta PK, Li J, Riemer D, Tate P. The NOAA Twin Otter and its role in BRACE: platform description. Atmospheric Environment 2007;41(20):4177-4189. R831074 (2006)
R831074 (Final)
Journal Article Atmospheric production of oxalic acid/oxalate and nitric acid/nitrate in the Tampa Bay airshed: parallel pathways. ATMOSPHERIC ENVIRONMENT Martinelango PK, Dasgupta PK, Al-Horr RS Martinelango PK, Dasgupta PK, Al-Horr RS. Atmospheric production of oxalic acid/oxalate and nitric acid/nitrate in the Tampa Bay airshed:parallel pathways. Atmospheric Environment 2007;41(20):4258-4269. R831074 (2006)
R831074 (2007)
R831074 (Final)
Journal Article Can breath isoprene be measured by ozone chemiluminescence? ANALYTICAL CHEMISTRY Ohira S-I, Li J, Lonneman WA, Dasgupta PK, Toda K Ohira S-I, Li J, Lonneman WA, Dasgupta PK, Toda K. Can breath isoprene be measured by ozone chemiluminescence? Analytical Chemistry 2007;79(7):2641-2649. R831074 (2007)
R831074 (Final)
Journal Article Fiber optic sensor for simultaneous determination of atmospheric nitrogen dioxide, ozone, and relative humidity. ANALYTICAL CHEMISTRY Ohira S, Dasgupta PK, Schug KA Ohira S, Dasgupta PK, Schug KA. Fiber optic sensor for simultaneous determination of atmospheric nitrogen dioxide, ozone, and relative humidity. Analytical Chemistry 2009;81(11):4183-4191. R831074 (Final)
Journal Article Automated low-pressure carbonate eluent ion chromatography system with postsuppressor carbon dioxide removal for the analysis of atmospheric gases and particles. AEROSOL SCIENCE AND TECHNOLOGY Rahmat Ullah SM, Williams A, Dasgupta PK Ullah SMR, Williams A, Dasgupta PK. Automated low-pressure carbonate eluent ion chromatography system with postsuppressor carbon dioxide removal for the analysis of atmospheric gases and particles. Aerosol Science and Technology 2005;39(11):1072-1084. R831074 (2005)
R831074 (2006)
R831074 (2007)
R831074 (Final)
Journal Article Continuous collection of soluble atmospheric particles with a wetted hydrophilic filter. ANALYTICAL CHEMISTRY Takeuchi M, Rahmat Ullah SM, Dasgupta PK, Collins DR, Williams A Takeuchi M, Rahmat Ullah SM, Dasgupta PK, Collins DR, Williams A. Continuous collection of soluble atmospheric particles with a wetted hydrophilic filter. Analytical Chemistry 2005;77(24):8031-8040. R831074 (2005)
R831074 (2006)
R831074 (Final)
Journal Article A permeable membrane capacitance sensor for ionogenic gases: Application to the measurement of total organic carbon. ANALYTICA CHIMICA ACTA Tian K, Dasgupta PK Tian K, Dasgupta PK. A permeable membrane capacitance sensor for ionogenic gases:Application to the measurement of total organic carbon. Analytica Chimica Acta 2009;652(1-2):245-250. R831074 (Final)
Journal Article Asymmetric membrane-fiber based carbon dioxide removal devices for ion chromatography. ANALYTICAL CHEMISTRY Ullah SMR, Adams RL, Srinivasan K, Dasgupta PK Ullah SMR, Adams RL, Srinivasan K, Dasgupta PK. Asymmetric membrane-fiber based carbon dioxide removal devices for ion chromatography. Analytical Chemistry 2004;76(23):7084-7093. R831074 (2005)
Journal Article Versatile gas/particle ion chromatograph. ENVIRONMENTAL SCIENCE & TECHNOLOGY Ullah SMR, Takeuchi M, Dasgupta PK Ullah SMR, Takeuchi M, Dasgupta PK. Versatile gas/particle ion chromatograph. Environmental Science & Technology 2006;40(3):962-968. R831074 (2006)
R831074 (2007)
R831074 (Final)
Patent/Patent Application Denuder assembly for collection and removal of soluble atmospheric gases. None Dasgupta PK, Morris KJ, Li J Dasgupta PK, Morris KJ, Li J. Denuder assembly for collection and removal of soluble atmospheric gases. U.S. Patent 6,890,372, May 10, 2005. R831074 (2005)
R831074 (Final)
Patent/Patent Application Membrane based volatile component-removal devices for liquid chromatography. None Dasgupta PK, Ullah SMR, Srinivasan K Dasgupta PK, Ullah SMR, Srinivasan K. Membrane based volatile component-removal devices for liquid chromatography. U.S. Patent No. 7,306,720, December 11, 2007. R831074 (Final)
Presentation Ionic analysis: following a thread. None Dasgupta PK Dasgupta PK. Ionic analysis: following a thread. Presented at the 46th Rocky Mountain Conference on Analytical Chemistry, Denver, CO, August 1-5, 2004 (keynote lecture, abstract 13). R831074 (2005)
R831074 (Final)
 not available
Presentation Continuous speciation monitors for particulate matter and gases. None Dasgupta PK Dasgupta PK. Continuous speciation monitors for particulate matter and gases. Presented at the U.S. Environmental Protection Agency, Research Triangle Park, NC, March 1, 2004. R831074 (2004)
R831074 (Final)
 not available
Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at the University of Melbourne, Department of Chemistry, August 2007 (invited). R831074 (2007)
 not available
Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at the University of Melbourne Mieguynah Public Lecture, Melbourne, Australia, August 2007 (invited). R831074 (2007)
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Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at the Royal Australian Chemistry Institute (RACI) Lecture, Royal Melbourne Institute of Technology, August 2007 (invited). R831074 (2007)
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Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at the Pittsburgh Conference, Chicago, IL, February 2007 (invited). R831074 (2007)
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Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at the University of South Pacific, Suva, Fiji, July 2007 (invited). R831074 (2007)
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Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at the United States Environmental Protection Agency, June 2007 (invited). R831074 (2007)
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Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at the 14th Encontro Nacional de Quimica Analitica (ENQA), Joao Pesoa, Brazil, October 2007 (invited). R831074 (2007)
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Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at Indiana University, Bloomington, IN, October 2007 (invited). R831074 (2007)
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Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at the Colloquium Spectroscopicum Internationale XXXV, Xiamen, China, September 2007 (invited). R831074 (2007)
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Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at Beijing University, September 2007 (invited). R831074 (2007)
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Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at the Zhejiang University, China, September 2007 (invited). R831074 (2007)
 not available
Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at the Texas A&M University Commerce Meeting, September 2007 (invited). R831074 (2007)
 not available
Presentation Aethalometric liquid chromatographic mass spectrometric instrument. None Dasgupta PK Dasgupta PK. Aethalometric liquid chromatographic mass spectrometric instrument. Presented at the Department of Physics, University of Texas-Arlington, September 2007 (invited). R831074 (2007)
 not available
Presentation Chromatography in atmospheric analysis. None Dasgupta PK

Dasgupta PK. Chromatography in atmospheric analysis. Presented to Dionex Corporation, Sunnyvale, CA, December 2004.

 R831074 (2005)
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Presentation Chromatography in atmospheric analysis. None Dasgupta PK

Dasgupta PK. Chromatography in atmospheric analysis. Presented at the University of Washington, Seattle, WA, October 2004.

 R831074 (2005)
 not available
Presentation Continuous measurement of ammonia and acid gases, particulate ammonium and anions. None Dasgupta P, Takeuchi M, Ullah R Dasgupta P, Takeuchi M, Ullah R. Continuous measurement of ammonia and acid gases, particulate ammonium and anions. Presented at the International Specialty Conference by the American Association for Aerosol Research on Particulate Matter Supersites Program and Related Studies, Atlanta, GA, February 7-11, 2005 (abstract 4B-3). R831074 (2005)
R831074 (Final)
Presentation Summertime ambient formaldehyde in five US metropolitan areas: Nashville, Atlanta, Houston, Philadelphia and Tampa: what have we learned? None Dasgupta P, Li J, Zhang G, McClenny W, Luke W, Stutz J, Fried A Dasgupta P, Li J, Zhang G, McClenny W, Luke W, Stutz J, Fried A. Summertime ambient formaldehyde in five US metropolitan areas: Nashville, Atlanta, Houston, Philadelphia and Tampa: what have we learned? Presented at the International Specialty Conference by the American Association for Aerosol Research on Particulate Matter Supersites Program and Related Studies, Atlanta, GA, February 7-11, 2005 (abstract 18B-3). R831074 (Final)
Presentation A small footprint gas particle ion chromatography system. None Ullah SMR, Takeuchi M, Dasgupta PK Rahmat Ullah SM, Takeuchi M, Dasgupta PK. A small footprint gas particle ion chromatography system. Presented at the International Specialty Conference by the American Association for Aerosol Research on Particulate Matter Supersites Program and Related Studies, Atlanta, GA, February 7-11, 2005 (abstract 6B-1). R831074 (2005)
R831074 (Final)
Presentation Carbon dioxide removal greatly improves trace ionic analysis in environmental samples. None Ullah SMR, Adams RL, Srinivasan K, Dasgupta PK Ullah SMR, Adams RL, Srinivasan K, Dasgupta PK. Carbon dioxide removal greatly improves trace ionic analysis in environmental samples. Presented at 228th American Chemical Society National Meeting, Philadelphia, PA, August 2004, Abstract ENVR 140 (abstract). R831074 (2004)
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Presentation Continuous observations of PM2.5 and gas speciation at a rural Illinois site. None Williams AL, Caughey M, Gay D, Sweet C, Ullah R, Dasgupta PK Williams AL, Caughey M, Gay D, Sweet C, Rahmat Ullah SM, Dasgupta PK. Continuous observations of PM2.5 and gas speciation at a rural Illinois site. Presented at the International Specialty Conference by the American Association for Aerosol Research on Particulate Matter Supersites Program and Related Studies, Atlanta, GA, February 7-11, 2005 (abstract 3A-2). R831074 (2005)
R831074 (Final)

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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.

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