Search Results - "Fergenson, David P."

Classification of Single Particles Analyzed by ATOFMS Using an Artificial Neural Network, ART-2A by Song, Xin-Hua, Hopke, Philip K, Fergenson, David P, Prather, Kimberly A

“…Aerosol particles have received significant public and scientific attention in recent years due to studies linking them to global climatic changes and human…”
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Bioaerosol Mass Spectrometry for Rapid Detection of Individual Airborne Mycobacterium tuberculosis H37Ra Particles by TOBIAS, Herbert J, SCHAFER, Millie P, PITESKY, Maurice, FERGENSON, David P, HORN, Joanne, FRANK, Matthias, GARD, Eric E

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Real-Time Analysis of Individual Atmospheric Aerosol Particles:  Design and Performance of a Portable ATOFMS by Gard, Eric, Mayer, Joseph E, Morrical, Brad D, Dienes, Tas, Fergenson, David P, Prather, Kimberly A

“…Two portable aerosol time-of-flight mass spectrometers (ATOFMS) of identical design are described. These instruments are powerful new tools for providing…”
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Reagentless Detection and Classification of Individual Bioaerosol Particles in Seconds by Fergenson, David P, Pitesky, Maurice E, Tobias, Herbert J, Steele, Paul T, Czerwieniec, Gregg A, Russell, Scott C, Lebrilla, Carlito B, Horn, Joanne M, Coffee, Keith R, Srivastava, Abneesh, Pillai, Segaran P, Shih, Meng-Ta Peter, Hall, Howard L, Ramponi, Albert J, Chang, John T, Langlois, Richard G, Estacio, Pedro L, Hadley, Robert T, Frank, Matthias, Gard, Eric E

“…The rapid chemical analysis of individual cells is an analytical capability that will profoundly impact many fields including bioaerosol detection for…”
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Identification of High Explosives Using Single-Particle Aerosol Mass Spectrometry by Martin, Audrey N, Farquar, George R, Gard, Eric E, Frank, Matthias, Fergenson, David P

“…The application of single-particle aerosol mass spectrometry (SPAMS) to the real-time detection of micrometer-sized single particles of high explosives is…”
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Autonomous, Broad-Spectrum Detection of Hazardous Aerosols in Seconds by Steele, Paul T, Farquar, George R, Martin, Audrey N, Coffee, Keith R, Riot, Vincent J, Martin, Sue I, Fergenson, David P, Gard, Eric E, Frank, Matthias

“…Actual or surrogate chemical, biological, radiological, nuclear, and explosive materials and illicit drug precursors can be rapidly detected and identified…”
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Direct Observation of Heterogeneous Chemistry in the Atmosphere by Gard, Eric E., Kleeman, Michael J., Gross, Deborah S., Hughes, Lara S., Allen, Jonathan O., Morrical, Bradley D., Fergenson, David P., Dienes, Tas, Gälli, Markus E., Johnson, Robert J., Cass, Glen R., Prather, Kimberly A.

“…The heterogeneous replacement of chloride by nitrate in individual sea-salt particles was monitored continuously over time in the troposphere with the use of…”
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Single-Particle Aerosol Mass Spectrometry for the Detection and Identification of Chemical Warfare Agent Simulants by Martin, Audrey N, Farquar, George R, Frank, Matthias, Gard, Eric E, Fergenson, David P

“…Single-particle aerosol mass spectrometry (SPAMS) was used for the real-time detection of liquid nerve agent simulants. A total of 1000 dual-polarity…”
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Particle interactions of fluticasone propionate and salmeterol xinafoate detected with single particle aerosol mass spectrometry (SPAMS) by Jetzer, Martin W., Morrical, Bradley D., Fergenson, David P., Imanidis, Georgios

“…[Display omitted] Particle co-associations between the active pharmaceutical ingredients fluticasone propionate and salmeterol xinafoate were examined in dry…”
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Source Apportionment of Fine Particulate Matter by Clustering Single-Particle Data:  Tests of Receptor Model Accuracy by Bhave, Prakash V., Fergenson, David P., Prather, Kimberly A., Cass, Glen R.

“…The source apportionment accuracy of a neural network algorithm (ART-2a) is tested on the basis of its application to synthetic single-particle data generated…”
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Desorption/Ionization Fluence Thresholds and Improved Mass Spectral Consistency Measured Using a Flattop Laser Profile in the Bioaerosol Mass Spectrometry of Single Bacillus Endospores by Steele, Paul T, Srivastava, Abneesh, Pitesky, Maurice E, Fergenson, David P, Tobias, Herbert J, Gard, Eric E, Frank, Matthias

“…Bioaerosol mass spectrometry is being developed to analyze and identify biological aerosols in real time. Mass spectra of individual Bacillus endospores were…”
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Comprehensive Assignment of Mass Spectral Signatures from Individual Bacillus atrophaeus Spores in Matrix-Free Laser Desorption/Ionization Bioaerosol Mass Spectrometry by SRIVASTAVA, Abneesh, PITESKY, Maurice E., STEELE, Paul T., TOBIAS, Herbert J., FERGENSON, David P., HORN, Joanne M., RUSSELL, Scott C., CZERWIENIEC, Gregg A., LEBRILLA, Carlito B., GARD, Eric E., FRANK, Matthias

“…We have fully characterized the mass spectral signatures of individual Bacillus atrophaeus spores obtained using matrix-free laser desorption/ionization…”
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Laser Power Dependence of Mass Spectral Signatures from Individual Bacterial Spores in Bioaerosol Mass Spectrometry by Steele, Paul T, Tobias, Herbert J, Fergenson, David P, Pitesky, Maurice E, Horn, Joanne M, Czerwieniec, Gregg A, Russell, Scott C, Lebrilla, Carlito B, Gard, Eric E, Frank, Matthias

“…Bioaerosol mass spectrometry is being developed to analyze and identify biological aerosols in real time. Characteristic mass spectra from individual bacterial…”
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Stable Isotope Labeling of Entire Bacillus atrophaeus Spores and Vegetative Cells Using Bioaerosol Mass Spectrometry by Czerwieniec, Gregg A, Russell, Scott C, Tobias, Herbert J, Pitesky, Maurice E, Fergenson, David P, Steele, Paul, Srivastava, Abneesh, Horn, Joanne M, Frank, Matthias, Gard, Eric E, Lebrilla, Carlito B

“…Single vegetative cells and spores of Bacillus atrophaeus, formerly Bacillus subtilis var. niger, were analyzed using bioaerosol mass spectrometry. Key…”
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A Field-Based Approach for Determining ATOFMS Instrument Sensitivities to Ammonium and Nitrate by Bhave, Prakash V, Allen, Jonathan O, Morrical, Bradley D, Fergenson, David P, Cass, Glen R, Prather, Kimberly A

“…Aerosol time-of-flight mass spectrometry (ATOFMS) instruments measure the size and chemical composition of individual particles in real-time. ATOFMS chemical…”
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Following the biochemical and morphological changes of Bacillus atrophaeus cells during the sporulation process using Bioaerosol Mass Spectrometry by Tobias, Herbert J., Pitesky, Maurice E., Fergenson, David P., Steele, Paul T., Horn, Joanne, Frank, Matthias, Gard, Eric E.

“…Bioaerosol Mass Spectrometry (BAMS), a real-time single cell analytical technique, was used to follow the biochemical and morphological changes within a group…”
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Online aerosol mass spectrometry of single micrometer-sized particles containing poly(ethylene glycol) by Bogan, Michael J., Patton, Elizabeth, Srivastava, Abneesh, Martin, Sue, Fergenson, David P., Steele, Paul T., Tobias, Herbert J., Gard, Eric E., Frank, Matthias

“…The analysis of poly(ethylene glycol) (PEG)‐containing particles by online single particle aerosol mass spectrometers equipped with laser desorption/ionization…”
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Wavelength and size dependence in single particle laser aerosol mass spectra by Wade, Elisabeth E., Farquar, George R., Steele, Paul T., McJimpsey, Erica L., Lebrilla, Carlito B., Fergenson, David P.

“…The impact of particle size and desorption/ionization laser wavelength on ion signal in single particle laser mass spectrometry was investigated. Individual…”
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Particle Detection Efficiencies of Aerosol Time of Flight Mass Spectrometers under Ambient Sampling Conditions by Allen, Jonathan O, Fergenson, David P, Gard, Eric E, Hughes, Lara S, Morrical, Bradley D, Kleeman, Michael J, Gross, Deborah S, Gälli, Markus E, Prather, Kimberly A, Cass, Glen R

“…Aerosol time-of-flight mass spectrometers (ATOFMS) measure the size and chemical composition of single aerosol particles. To date, these instruments have…”
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Toward understanding the ionization of biomarkers from micrometer particles by bio-aerosol mass spectrometry by Russell, Scott C, Czerwieniec, Gregg, Lebrilla, Carlito, Tobias, Herbert, Fergenson, David P, Steele, Paul, Pitesky, Maurice, Horn, Joanne, Srivastava, Abneesh, Frank, Matthias, Gard, Eric E

“…The appearance of informative signals in the mass spectra of laser-ablated bio-aerosol particles depends on the effective ionization probabilities (EIP) of…”
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