Submissions from 2018


Triacetin Enhances Levels of Acrolein, Formaldehyde Hemiacetals, and Acetaldehyde in Electronic Cigarette Aerosols, Shawna Vreeke, David H. Peyton, and Robert Strongin


Aerobic Method for the Synthesis of Nearly Size-Monodisperse Bismuth Nanoparticles from a Redox Non-Innocent Precursor, Hayden Winter, Elena Christopher-Allison, Anna L. Brown, and Andrea M. Goforth

Identification of the Minimal Bacterial 2'-deoxy-7-amido-7-deazaguanine Synthesis Machinery, Yifeng Yuan, Geoffrey Hutinet, Jacqueline Gamboa Valera, Jennifer Hu, Roman Hillebrand, Andrew Gustafson, Dirk Iwata-Reuyl, Peter C. Dedon, and Valérie de Crécy-Lagard

Submissions from 2017

Bubbling and Foaming Assisted Clearing of Mucin Plugs in Microfluidic Y-Junctions, Daner Abdula, Ryan Lerud, and Shankar B. Rananavare


The t6A Modification Acts as a Positive Determinant for the Anticodon Nuclease Prrc, and is Distinctively Nonessential in Streptococcus mutans, Jo Marie Bacusmo, Silvia S. Orsini, Jennifer Hu, Michael DeMott, Patrick C. Thiaville, Ameer Elfarash, Mellie June Paulines, Diego Rojas-Benítez, Birthe Meineke, Christopher Deutsch, Dirk Iwata-Reuyl, Patrick A. Limbach, Peter C. Dedon, Kelly C. Rice, Stewart Shuman, and Valérie de Crécy-Lagard


Life’s Late Digital Revolution and Why It Matters for the Study of the Origins of Life, David A. Baum and Niles Lehman


QueF-Like, a Non-Homologous Archaeosine Synthase from the Crenarchaeota, Adriana Bon Ramos, Lide Bao, Ben Turner, Valérie de Crécy-Lagard, and Dirk Iwata-Reuyl

Choice of Study Resources in General Chemistry by Students Who Have Little Time to Study, Diane M. Bruce, Regis Komperda, Debra K. Dillner, and Shirley Lin

Differential Use of Study Approaches by Students of Different Achievement Levels, Diane M. Bunce, Regis Komperda, Maria J. Schroeder, Debra K. Dillner, Shirley Lin, Melonie A. Teichert, and JudithAnn R. Hartman

Electrochemical versus Enzymatic in Vitro Oxidations of 6-propyl-2-thiouracil: Identification, Detection, and Characterization of Metabolites, Kudzanai Chipiso and Reuben H. Simoyi

Poly-tetrakis-5,10,15,20-(4-aminophenyl)porphyrin Films as Two-Electron Oxygen Reduction Photoelectrocatalysts for the Production of H2O2, Nicholas U. Day and Carl C. Wamser


Lyapunov Exponents and the Belousov-Zhabotinsky Oscillator: An Interactive Computational Approach, Matthew W. Eskew and Reuben H. Simoyi

Crosslinked Shells for Nano-Assembled Capsules: A New Encapsulation Method for Smaller Gd(3+)-Loaded Capsules with Exceedingly High Relaxivities, Annah Farashishiko, Sally E. Plush, Karley B. Maier, A. Dean Sherry, and Mark Woods


Simplified Reversed Chloroquines To Overcome Malaria Resistance to Quinoline-Based Drugs, Bornface Gunsaru, Steven J. Burgess, Westin Morrill, Jane X. Kelly, Shawheen Shomloo, Martin J. Smilkstein, Katherine May Liebman, and David H. Peyton

Measuring Sheet Resistances of Dielectrics Using Co-Planar Hydrogel Electrochemical Cells with Practical Applications to Characterize the Protective Quality of Paints on Sculptures, Kathryn N. Hosbein, Alice H. England, Capri A. Price, and Tami Lasseter Clare


Solvent Chemistry in the Electronic Cigarette Reaction Vessel, Robert Paul Jensen, Robert M. Strongin, and David H. Peyton


Health Disparities in Veterans: A Map of the Evidence, Karli Kondo, Allison Low, Teresa Everson, Christine D. Gordon, Stephanie Veazie, Crystal Lozier, Michele Freeman, Makalapua Motu’apuaka, Aaron Mendelson, Marl Friesen, Robin Paynter, Caroline Friesen, Johanna Anderson, Erin Boundy, Somnath Saha, Ana Quiñones, and Devan Kansagara

Novel Application of Simple Molybdates: Catalytic Hydrolysis of an Organophosphate Neurotoxin Under Mild Aqueous Conditions, Louis Y. Kuo, Kristina M. Dill, Yusef A. Shari'ati, Emily K. Bright, and Theresa McCormick

Photocatalytic Aerobic Thiol Oxidation with a Self-Sensitized Tellurorhodamine Chromophore, Luke V. Lutkus, Irving D. Rettig, Kellie S. Davies, Jacqueline E. Hill, James E. Lohman, Matthew W. Eskew, Michael R. Detty, and Theresa M. McCormick

MarH, a Bifunctional Enzyme Involved in the Condensation and Hydroxylation Steps of the Marineosin Biosynthetic Pathway, Wanli Lu, Papireddy Kancharla, and Kevin A. Reynolds


Prebiotic RNA Network Formation: A Taxonomy of Molecular Cooperation, Cole Mathis, Sanjay N. Ramprasad, Sara Imari Walker, and Niles Lehman


Toxicant Formation in Dabbing: The Terpene Story, Jiries Meehan-Attrash, Wentai Luo, and Robert M. Strongin


Protection of the Queuosine Biosynthesis Enzyme QueF from Irreversible Oxidation by a Conserved Intramolecular Disulfide, Adeba Mohammad, Adriana Bon Ramos, Bobby W.K. Lee, Spencer William Cohen, Maryam K. Kiani, Dirk Iwata-Reuyl, Boguslaw Stec, and Manal A. Swairjo

Use of Sacrificial Nanoparticles to Remove the Effects of Shot-noise in Contact Holes Fabricated by E-beam Lithography, Moshood K. Morakinyo and Shankar B. Rananavare


The CaMKII Holoenzyme Structure in Activation Competent Conformations, Janette B. Myers, Vincent Zaegel, Steven J. Coultrap, Adam P. Miller, K. Ulrich Bayer, and Steve L. Reichow

Calculating Compound Dependent Gas-Droplet Distributions in Aerosols of Propylene Glycol and Glycerol from Electronic Cigarettes, James F. Pankow


Benzene Formation in Electronic Cigarettes, James F. Pankow, Kilsun Kim, Kevin J. McWhirter, Wentai Luo, Jorge O. Escobedo, Robert M. Strongin, Anna K. Duell, and David H. Peyton


Mechanism and Catalytic Strategy of the Prokaryotic Specific GTP Cyclohydrolase IB, Naduni Paranagama, Shilah A. Bonnett, Jonathan Alvarez, Amit Luthra, Boguslaw Stec, Andrew Gustafson, Dirk Iwata-Reuyl, and Manal A. Swairjo

On Water and its Effect on the Performance of T-1-Shortening Contrast Agents, Katherine M. Payne, Jennifer M. Wilds, Fabio Carniato, Mauro Botta, and Mark Woods

Persulfide Formation Mediates Cysteine and Homocysteine Biosynthesis in Methanosarcina acetivorans, Benjamin J. Rauch, John Klimek, Larry David, and John J. Perona

Colloidal 3-Mercaptopropionic Acid Capped Lead Sulfide Quantum Dots in a Low Boiling Point Solvent, Chase C. Reinhart and Erik Johansson


Formaldehyde Hemiacetal Sampling, Recovery, and Quantification from Electronic Cigarette Aerosols, James C. Salamanca, Ian Munhenzva, Jorge O. Escodedo, R. Paul Jensen, Angela Shaw, Robert Campbell, Wentai Luo, David H. Peyton, and Robert Strongin

Influence of β-octabromination on Free-base Triarylcorroles: Electrochemistry and Protonation-deprotonation Reactions in Nonaqueous Media, Yang Song, Yuanyuan Fang, Zhongping Ou, Jan Capar, Chenyi Wang, Jeanet Conradie, Kolle E. Thomas, Carl C. Wamser, Abhik Ghosh, and Karl M. Kadish


Aryl Transfer Selectivity in Metal-free Reactions of Unsymmetrical Diaryliodonium Salts, David Stuart

Improving Target Amino Acid Selectivity in a Permissive Aminoacyl tRNA Synthetase Through Counter-Selection, Itthipol Sungwienwong, Zachary M. Hostetler, Robert J. Blizzard, Joseph J. Porter, Camden D. Driggers, Lea Z. Mbengi, José A. Villegas, Lee C. Speight, Jeffery G. Saven, John J. Perona, Rahul M. Kohli, Ryan A. Mehl, and E. James Petersson

Photocatalytic Water Reduction Using a Polymer Coated Carbon Quantum Dot Sensitizer and a Nickel Nanoparticle Catalyst, Carolyn N. Virca, Hayden Winter, Andrea Mitchell Goforth, Marilyn R. Mackiewicz, and Theresa M. McCormick


Far-Red and Near-Infrared Seminaphthofluorophores for Targeted Pancreatic Cancer Imaging, Lei Wang, Connor W. Barth, Martha Sibrian-Vazquez, Jorge O. Escodedo, Mark Lowry, John Muschler, Haiyan Li, Summer L. Gibbs, and Robert Strongin


Topological and Thermodynamic Factors that Influence the Evolution of Small Networks of Catalytic RNA Species, Jessica Anne Mellor Yeates, Philippe Nghe, and Niles Lehman

Fluorescent Probes with Multiple Binding Sites for the Discrimination of Cys, Hcy, and GSH, Cai-Xia Yin, Kang-Ming Xiong, Fangjun Huo, Robert M. Strongin, James C. Salamanca, and Robert M. Strongin

Submissions from 2016

Evaluation of the Reactivity of Exhaust From Various Biodiesel Blends as a Measure of Possible Oxidative Effects: A Concern for Human Exposure, Adeniyi A. Adenuga, Monica E. Wright, and Dean B. Atkinson

Gold Tris(carboxyphenyl)corroles as Multifunctional Materials: Room Temperature Near-IR Phosphorescence and Applications to Photodynamic Therapy and Dye-Sensitized Solar Cells, Abraham B. Alemayehu, Nicholas U. Day, Tomoyasu Mani, Alexander B. Rudine, Kolle E. Thomas, Odrun A. Gederaas, Sergei A. Vinogradov, Carl C. Wamser, and Abhik Ghosh


Fluorescein Tri-Aldehyde Promotes the Selective Detection of Homocysteine, Aabha Barve, Mark Lowry, Jorge Escobedo, Josephrajan Thainashmuthu, and Robert Strongin


Distribution, Quantification and Toxicity of Cinnamaldehyde in Electronic Cigarette Refill Fluids and Aerosols, Rachel Z. Behar, Wentai Luo, Sabrina C. Lin, Yuhuan Wang, Jackelyn Valle, James F. Pankow, and Prue Talbot


The Elusive Quest for RNA Knots, Aaron S. Burton, Marco Di Stefano, Niles Lehman, Henri Orland, and Cristian Micheletti


Understanding the Optical Properties of Ambient Sub-and Supermicron Particulate Matter: Results from the CARES 2010 Field Study in Northern California, Christopher D. Cappa, Katheryn R. Kolesar, Xiaolu Zhang, Dean B. Atkinson, Mikhail S. Pekour, Rahul A. Zaveri, Alla Zelenyuk, and Qi Zhang

Synthesis of Aryl(2,4,6-trimethoxyphenyl)iodonium Trifluoroacetate Salts, Virginie Carreras, Alexander H. Sandtorv, and David R. Stuart

Towards p-Type Conductivity in SnO2Nanocrystals through Li Doping and Its Applications in Porous Diodes for Room Temperature Chlorine Gas Detection, Allen Chaparadza and Shankar Rananavare

Kinetics and Mechanism of Bioactivation via S-Oxygenation of Anti-Tubercular Agent Ethionamide by Peracetic Acid, Kudzanai Chipiso, Isabelle E. Logan, Matthew W. Eskew, Benard Omondi, and Reuben H. Simoyi


Oxyhalogen-Sulfur Chemistry: Kinetics and Mechanism of Oxidation of N-acetylthiourea by Aqueous Bromate and Acidified Bromate, Kudzanai Chipiso, Wilbes Mbiya, Thai Tran, and Reuben H. Simoyi


Electrochemistry-Coupled to Mass Spectrometry in Simulation of Metabolic Oxidation of Methimazole: Identification and Characterization of Metabolites, Kudzanai Chipiso and Reuben H. Simoyi

Kinetics and Mechanism of Oxidation of Methimazole by Chlorite in Slightly Acidic Media, Kudzanai Chipiso and Reuben H. Simoyi

Rhodamine Analogues for Molecular Ruler Applications, Yu-Hsuan Chu, Jorge O. Escobedo, Meiyan Jiang, Peter S. Steyger, and Robert M. Strongin

Systemic Delivery and Biodistribution of Cisplatin in Vivo, Yu-Hsuan Chu, Martha Sibrian-Vazquez, Jorge O. Escobedo, Amanda R. Phillips, D. Thomas Dickey, Qi Wang, Martina Ralle, Peter S. Steyger, and Robert M. Strongin

A Method to Derivatize Surface Silanol Groups to Si-Alkyl Groups in Carbon-Doped Silicon Oxides, Srikar Rao Darmakkolla, Hoang Tran, Atul Gupta, and Shankar B. Rananavare

Thermal Effects of Microinverter Placement on the Performance of Silicon Photovoltaics, Nicholas U. Day, Chase C. Reinhart, Shaun DeBow, Matthew K. Smith, David J. Sailor, Erik Johansson, and Carl C. Wamser

Liquid Contacting as a Method to Study Photovoltaic Properties of PbS Quantum Dot Solids, Vitaliy A. Dereviankin and Erik Johansson


Assessing the Protective Quality of Wax Coatings on Bronze Sculptures Using Hydrogel Patches in Impedance Measurements, Alice H. England, Kathryn N. Hosbein, Capri A. Price, Morgan K. Wylder, Kenna S. Miller, and Tami Lasseter Clare

Nano Assembly and Encapsulation; A Versatile Platform for Slowing the Rotation of Polyanionic Gd3+-Based MRI Contrast Agents, Annah Farashishiko, Kelly N. Chacón, Ninian J. Blackburn, and Mark Woods

Connecting Achievement Motivation to Performance in General Chemistry, Brent Ferrell, Michael M. Phillips, and Jack Barbera

Lipid-Coated Gold Nanoparticles as Probes for Membrane Binding, Desmond J. Hamilton, Yuheng Cai, Rupinder Kaur, Grant W. Marquart, Marilyn R. Mackiewicz, and Scott M. Reed

A Doubly Deprotonated Diimine Dioximate Metalloligand as a Synthon for Multimetallic Complex Assembly, Danielle Henckel, Yuting F. Lin, Theresa M. McCormick, Werner Kaminsky, and Brandi M. Cossairt


The Biomolecule Sequencer Project: Nanopore Sequencing as a Dual-Use Technology for Crew Health and Astrobiology Investigations, K. K. John, D. S. Botkin, A. S. Burton, S. L. Castro-Wallace, J. D. Chaput, J. P. Dworkin, Niles Lehman, M. L. Lupisella, C. E. Mason, D. J. Smith, S. Stahl, and C. Switzer

Stenotrophomonas maltophilia OleC-Catalyzed ATP-Dependent Formation of Long-Chain Z-Olefins from 2-Alkyl-3-hydroxyalkanoic Acids, Papireddy Kancharla, Shilah A. Bonnett, and Kevin A. Reynolds


Mapping of Defects in Individual Silicon Nanocrystals Using Real- Space Spectroscopy, Dmitry A. Kislitsyn, Vancho Kocevski, Jon M. Mills, Sheng-Kuei Chiu, Christian F. Gervasi, Benjamen N. Taber, Ariel E. Rosenfield, Olle Eriksson, Ján Rusz, Andrea Mitchell Goforth, and George V. Nazin


Communication: Visualization and Spectroscopy of Defects Induced by Dehydrogenation in Individual Silicon Nanocrystals, Dmitry A. Kislitsyn, Jon M. Mills, Vancho Kocevski, Sheng-Kuei Chiu, William J.I. DeBenedetti, Christian F. Gervasi, Benjamen N. Taber, Ariel E. Rosenfield, Olle Eriksson, Ján Rusz, Andrea Mitchell Goforth, and George V. Nazin

Longer-Wavelength-Absorbing, Extended Chalcogenorhodamine Dyes, Mark W. Kryman, Theresa M. McCormick, and Michael R. Detty

Treatment of Catecholaminergic Polymorphic Ventricular Tachycardia in Mice Using Novel RyR2-Modifying Drugs, Na Li, Qiongling Wang, Martha Sibrian-Vazquez, Robert C. Klipp, Julia O. Reynolds, Tarah A. Word, Larry Scott Jr., Guy Salama, Robert M. Strongin, Jonathan J. Abramson, and Xander H. T. Wehrens


Relative Sensitivities of DCE-MRI Pharmacokinetic Parameters to Arterial Input Function (AIF) Scaling, Xin Li, Yu Cai, Brendan Moloney, Yiyi Chen, Wei Huang, Mark Woods, Fergus V. Coakley, William D. Rooney, Mark G. Garzotto, and Charles S. Springer Jr.


Reactivity Measurement in Estimation of Benzoquinone and Benzoquinone Derivatives’ Allergenicity, Wilbes Mbiya, Ita Chipinda, Reuben H. Simoyi, and Paul D. Siegel

Crystal Structure of the Archaeosine Synthase QueF-like-Insights into Amidino Transfer and tRNA Recognition by the Tunnel Fold, Xianghan Mei, Jonathan Alvarez, Adriana Bon Ramos, Uttamkumar Samanta, Dirk Iwata-Reuyl, and Manal A. Swairjo

Nanosilver Rainbow: A Rapid and Facile Method to Tune Different Colours of Nanosilver Through the Controlled Synthesis of Stable Spherical Silver Nanoparticles, Pramujitha Mendis, Rohini M. de Silva, K. M. Nalin de Silva, Lahiru A. Wijenayaka, Kalana Jayawardana, and Mingdi Yan


Characterization and Comparative Analysis of 2,4-Toluene Diisocyanate and 1,6-Hexamethylene Diisocyanate Haptenated Human Serum Albumin and Hemoglobin, Morgen Mhike, Ita Chipinda, Brandon F. Law, Toni A. Bledsoe, Angela R. Lemons, Ajay P. Nayak, Brett J. Green, Donald H. Beezhold, Reuben H. Simoyi, and Paul D. Siegel

Sex in a Test Tube: Testing the Benefits of In Vitro Recombination, Diego Pesce, Niles Lehman, and J. Arjan G. M. de Visser

Efficient Sulfide Assimilation in Methanosarcina acetivorans is Mediated by the MA1715 Protein, Benjamin J. Rauch and John J. Perona

Aminophenyl/Carboxyphenylporphyrins as Sensitizers for Dye-Sensitized Solar Cells, Alexander B. Rudine, Nicholas U. Day, Xisen Tian, and Chang Lee


Efficient Bimolecular Mechanism of Photochemical Hydrogen Production Using Halogenated Boron-Dipyrromethene (Bodipy) Dyes and a Bis(dimethylglyoxime) Cobalt(III) Complex, Randy Pat Sabatini, Brian M. Lindley, Theresa M. McCormick, Theodore Lazarides, William Brennessel, David W. McCamant, and Richard Eisenberg

Metal-free Synthesis of Aryl Amines: Beyond Nucleophilic Aromatic Substitution, Alexander H. Sandtorv and David R. Stuart


Group I Intron Internal Guide Sequence Binding Strength as a Component of Ribozyme Network Formation, Elizabeth Satterwhite, Jessica Anne Mellor Yeates, and Niles Lehman

Unsymmetrical Aryl(2,4,6-trimethoxyphenyl) Iodonium Salts: One-Pot Synthesis, Scope, Stability, and Synthetic Studies, Thomas L. Seidl, Sunil K. Sundalam, Brennen McCullough, and David R. Stuart

Thiophene-Based Fluorescent Mercury-Sensors, Austin K. Shigemoto, Carolyn N. Virca, Samuel J. Underwood, Lauren R. Shetterly, and Theresa M. McCormick

Identification and Characterization of FabA from the Type II Fatty Acid Synthase of Streptomyces coelicolor, Renu Singh and Kevin A. Reynolds

Unsymmetrical Diaryliodonium Salts as Aryne Synthons: Renaissance of a C–H Deprotonative Approach to Arynes, David Stuart

A Selective C-H Deprotonation Strategy to Access Functionalized Arynes by Using Hypervalent Iodine, Sunil K. Sundalam, Aleksandra Nilova, Thomas L. Seidl, and David R. Stuart


Minimizing Corrosion of Outdoor Metalworks Using Dispersed Chemically Stabilized Nanoclays in Polyvinylidene Fluoride Latex Coatings, Natasja Alexandria Swartz, Capri A. Price, and Tami Lasseter Clare

Dynamics of Prebiotic RNA Reproduction Illuminated by Chemical Game Theory, Jessica Anne Mellor Yeates, Christian Hilbe, Martin Zwick, Martin. A. Nowak, and Niles Lehman


pH-Dependent Fluorescent Probe That Can Be Tuned for Cysteine or Homocysteine, Yongkang Yue, Fangjun Huo, Xiaoqi Li, Ying Wen, Tao Yi, James C. Salamanca, Jorge O. Escobedo, Robert Strongin, and Caixia Yin

Recent Progress in Chromogenic and Fluorogenic Chemosensors for Hypochlorous Acid, Yongkang Yue, Fangjun Huo, Caixia Yin, Jorge O. Escobedo, and Robert M. Strongin

Selective Electrochemical versus Chemical Oxidation of Bulky Phenol, Nicole L. Zabik, Carolyn N. Virca, Theresa M. McCormick, and Sanela Martic-Milne

Submissions from 2015


Aerosol Optical Hygroscopicity Measurements during the 2010 CARES Campaign, Dean B. Atkinson, James Gregory Radney, Janel Lum, Katheryn R. Kolesar, Daniel J. Cziczo, Mikhail Pekour, Qi Zhang, Ari Setyan, Alla Zelenyuk, and Christopher D. Cappa


Effect of Repeated Glucagon Doses on Hepatic Glycogen in Type 1 Diabetes: Implications for a Bihormonal Closed-Loop System, Jessica R. Castle, Joseph El Youssef, Parkash A. Bakhtiani, Yu Cai, Jade M. Stobbe, Deborah Branigan, Katrina Ramsey, Peter Jacobs, Ravi Reddy, Mark Woods, and Kenneth Ward


Controlled Deposition of Tin Oxide and Silver Nanoparticles Using Microcontact Printing, Joo C. Chan, Nicole Hannah-Moore, and Shankar B. Rananavare


Hydrophobic Surfactant Proteins Strongly Induce Negative Curvature, Mariya Chavarha, Ryan W. Loney, Shankar B. Rananavare, and Stephen B. Hall

Conversion from Red to Blue Photoluminescence in Alcohol Dispersions of Alkyl-Capped Silicon Nanoparticles: Insight into the Origins of Visible Photoluminescence in Colloidal Nanocrystalline Silicon, Andrea M. Goforth, William J.I. DeBenedetti, Sheng-Kuei Chiu, Christine Radlinger, Rylie J. Ellison, Beth Ann Manhat, Zin Z. Zhang, and Jianying Shi


NMR-based Structural Analysis of Threonylcarbamoyl-AMP Synthase and Its Substrate Interactions, Kimberly A. Harris, Benjamin G. Bobay, Kathryn L. Sarachan, Alexis F. Sims, Yann Bilbille, Christopher Deutsch, Dirk Iwata-Reuyl, and Paul F. Agris


Phthalimide-Based π-Conjugated Small Molecules with Tailored Electronic Energy Levels for Use as Acceptors in Organic Solar Cells, Arthur D. Hendsbee, Seth M. McAfee, Jon-Paul Sun, Theresa M. McCormick, Ian G. Hill, and Gregory C. Welch


Hidden Formaldehyde in E-Cigarette Aerosols, R. Paul Jensen, Wentai Luo, James F. Pankow, Robert M. Strongin, and David H. Peyton


Synthesis and Structure−Activity Relationships of Tambjamines and B‑Ring Functionalized Prodiginines as Potent Antimalarials, Papireddy Kancharla, Jane Xu Kelly, and Kevin A. Reynolds


The RNA World: 4,000,000,050 Years Old, Niles Lehman

Gadolinium Chelate Contrast Material in Pregnancy: Fetal Biodistribution in the Nonhuman Primate, Karen Y. Oh, Victoria H. J. Roberts, Matthias C. Schabel, Kevin L. Grove, Mark Woods, and Antonio E. Frias


Phase Considerations in the Gas/Particle Partitioning of Organic Amines in the Atmosphere, James F. Pankow