Publications

Choi H, Yang ZL, Weisshaar JC. Oxidative stress induced in E. coli by the human antimicrobial peptide LL-37. Plos Pathogens. 2017;13.
Mohapatra S, Choi H, Ge XL, Sanyal S, Weisshaar JC. Spatial Distribution and Ribosome-Binding Dynamics of EF-P in Live Escherichia coli. Mbio. 2017;8.
Choi H, Chakraborty S, Liu RH, Gellman SH, Weisshaar JC. Single-Cell, Time-Resolved Antimicrobial Effects of a Highly Cationic, Random Nylon-3 Copolymer on Live Escherichia coli. ACSChemical Biology. 2016;11:113-120.
Li WT, Bouveret E, Zhang Y, Liu KQ, Wang JD, Weisshaar JC. Effects of amino acid starvation on RelA diffusive behavior in live Escherichia coli. Molecular Microbiology. 2016;99:571-585.
Barns KJ, Weisshaar JC. Single-cell, time-resolved study of the effects of the antimicrobial peptide alamethicin on Bacillus subtilis. Biochimica Et Biophysica Acta-Biomembranes. 2016;1858:725-732.
Choi H, Yang ZL, Weisshaar JC. Single-cell, real-time detection of oxidative stress induced in Escherichia coli by the antimicrobial peptide CM15. Proceedings of the National Academy of Sciences of the United States of America. 2015;112:E303-E310.
Bakshi S, Choi H, Weisshaar JC. The spatial biology of transcription and translation in rapidly growing Escherichia coli. Frontiers in Microbiology. 2015;6.
Bakshi S, Choi H, Rangarajan N, Barns KJ, Bratton BP, Weisshaar JC. Nonperturbative Imaging of Nucleoid Morphology in Live Bacterial Cells during an Antimicrobial Peptide Attack. Applied and Environmental Microbiology. 2014;80:4977-4986.
Bakshi S, Choi H, Mondal J, Weisshaar JC. Time-dependent effects of transcription- and translation-halting drugs on the spatial distributions of the Escherichia coli chromosome and ribosomes. Molecular Microbiology. 2014;94:871-887.
Rangarajan N, Bakshi S, Weisshaar JC. Localized Permeabilization of E-coli Membranes by the Antimicrobial Peptide Cecropin A. Biochemistry. 2013;52:6584-6594.
Barns KJ, Weisshaar JC. Real-time attack of LL-37 on single Bacillus subtilis cells. Biochimica Et Biophysica Acta-Biomembranes. 2013;1828:1511-1520.
Bakshi S, Dalrymple RM, Li WT, Choi HJ, Weisshaar JC. Partitioning of RNA Polymerase Activity in Live Escherichia coli from Analysis of Single-Molecule Diffusive Trajectories. Biophysical Journal. 2013;105:2676-2686.
Bakshi S, Siryaporn A, Goulian M, Weisshaar JC. Superresolution imaging of ribosomes and RNA polymerase in live Escherichia coli cells. Molecular Microbiology. 2012;85:21-38.
Sochacki KA, Shkel IA, Record MT, Weisshaar JC. Protein Diffusion in the Periplasm of E-coli under Osmotic Stress. Biophysical Journal. 2011;100:22-31.
Sochacki KA, Barns KJ, Bucki R, Weisshaar JC. Real-time attack on single Escherichia coli cells by the human antimicrobial peptide LL-37. Proceedings of the National Academy of Sciences of the United States of America. 2011;108:E77-E81.
Smith EA, Weisshaar JC. Docking, Not Fusion, as the Rate-Limiting Step in a SNARE-Driven Vesicle Fusion Assay. Biophysical Journal. 2011;100:2141-2150.
Mondal J, Bratton BP, Li Y, Yethiraj A, Weisshaar JC. Entropy-Based Mechanism of Ribosome-Nucleoid Segregation in E. coli Cells. Biophysical Journal. 2011;100:2605-2613.
Bratton BP, Mooney RA, Weisshaar JC. Spatial Distribution and Diffusive Motion of RNA Polymerase in Live Escherichia coli. Journal of Bacteriology. 2011;193:5138-5146.
Wang T, Ingram C, Weisshaar JC. Model Lipid Bilayer with Facile Diffusion of Lipids and Integral Membrane Proteins. Langmuir. 2010;26:11157-11164.
Wang TT, Smith EA, Chapman ER, Weisshaar JC. Lipid Mixing and Content Release in Single-Vesicle, SNARE-Driven Fusion Assay with 1-5 ms Resolution. Biophysical Journal. 2009;96:4122-4131.
Konopka MC, Sochacki KA, Bratton BP, Shkel IA, Record MT, Weisshaar JC. Cytoplasmic Protein Mobility in Osmotically Stressed Escherichia coli. Journal of Bacteriology. 2009;191:231-237.
Liu T, Wang T, Chapman ER, Weisshaar JC. Productive hemifusion intermediates in fast vesicle fusion driven by neuronal SNAREs. Biophysical Journal. 2008;94:1303-1314.
Konopka MC, Weisshaar JC, Record MT. Methods of changing biopolymer volume fraction and cytoplasmic solute concentrations for in vivo biophysical studies. In Osmosensing and Osmosignaling. 2007. pp. 487-504.
Konopka MC, Shkel IA, Cayley S, Record MT, Weisshaar JC. Crowding and confinement effects on protein diffusion in vivo. Journal of Bacteriology. 2006;188:6115-6123.
Liu TT, Tucker WC, Bhalla A, Chapman ER, Weisshaar JC. SNARE-driven, 25-millisecond vesicle fusion in vitro. Biophysical Journal. 2005;89:2458-2472.
Konopka MC, Weisshaar JC. Heterogeneous motion of secretory vesicles in the actin cortex of live cells: 3D tracking to 5-nm accuracy. Journal of Physical Chemistry A. 2004;108:9814-9826.
Weise CF, Weisshaar JC. Orientation of simple amides at the bicelle-water interface of a lyotropic liquid crystal. Journal of Physical Chemistry B. 2003;107:6552-6564.
Weise CF, Weisshaar JC. Conformational analysis of alanine dipeptide from dipolar couplings in a water-based liquid crystal. Journal of Physical Chemistry B. 2003;107:3265-3277.
Reichert EL, Thurau G, Weisshaar JC. Velocity map imaging of ion-molecule reaction products: Co+(F-3(4))+isobutane. Journal of Chemical Physics. 2002;117:653-665.
Reichert EL, Weisshaar JC. Nonstatistical translational energy distribution of H-2 elimination products from Co+(F-3(4)) plus propane. Journal of Physical Chemistry A. 2002;106:5563-5576.
Porembski M, Weisshaar JC. Singlet and triplet reaction paths for gas-phase Zr+C2H4 by density functional theory. Journal of Physical Chemistry A. 2001;105:4851-4864.
Porembski M, Weisshaar JC. Kinetics and mechanism of the reactions of ground-state Y (4d(1)5s(2), D-2) with ethylene and propylene: Experiment and theory. Journal of Physical Chemistry A. 2001;105:6655-6667.
Yi SS, Reichert EL, Holthausen MC, Koch W, Weisshaar JC. Crossed-beam study of Co+(F-3(4))+propane: Experiment and density functional theory. Chemistry-A European Journal. 2000;6:2232-2245.
Williams S, Harding LB, Stanton JF, Weisshaar JC. Barrier to methyl internal rotation of 1-methylvinoxy radical in the (X)over-tilde((2)A '') and (B)over-tilde((2)A '') states: Experiment and theory. Journal of Physical Chemistry A. 2000;104:10131-10138.
Williams S, Harding LB, Stanton JF, Weisshaar JC. Barrier to methyl internal rotation of cis- and trans-2-methylvinoxy radicals in the (X)over-tilde((2)A '') and (B)over-tilde((2)A '') states: Experiment and theory. Journal of Physical Chemistry A. 2000;104:9906-9913.
Reichert EL, Yi SS, Weisshaar JC. Bimolecular ion-molecule collisions in real time: Co+(F-3(4)) plus n-butane and isobutane reactions. International Journal of Mass Spectrometry. 2000;195:55-69.
Porembski M, Weisshaar JC. Deuterium isotope effects on reaction rates of ground state Zr with ethylene and propylene. Journal of Physical Chemistry A. 2000;104:1524-1531.
Poon CD, Samulski ET, Weise CF, Weisshaar JC. Do bridging water molecules dictate the structure of a model dipeptide in aqueous solution?. Journal of the American Chemical Society. 2000;122:5642-5643.
Yi SS, Reichert EL, Weisshaar JC. Bimolecular reaction dynamics of Co+(F-3(4)) plus acetone reaction in real time. International Journal of Mass Spectrometry. 1999;185:837-846.
Blomberg M, Yi SS, Noll RJ, Weisshaar JC. Gas-phase Ni+(D-2(5/2))+n-C4H10 reaction dynamics in real time: Experiment and statistical modeling based on density functional theory. Journal of Physical Chemistry A. 1999;103:7254-7267.
Yi SS, Blomberg MRA, Siegbahn PEM, Weisshaar JC. Statistical modeling of gas-phase organometallic reactions based on density functional theory: Ni++C3H8. Journal of Physical Chemistry A. 1998;102:395-411.
Williams S, Zingher E, Weisshaar JC. (B)over-tilde <-(X)over-tilde vibronic spectra and (B)over-tilde-state fluorescence lifetimes of methylvinoxy isomers. Journal of Physical Chemistry A. 1998;102:2297-2301.
Wen Y, Porembski M, Ferrett TA, Weisshaar JC. H-2 elimination products from neutral Zr plus alkene reactions in the gas phase. Journal of Physical Chemistry A. 1998;102:8362-8368.
Noll RJ, Yi SS, Weisshaar JC. Bimolecular Ni+(D-2(5/2))+C3H8 reaction dynamics in real time. Journal of Physical Chemistry A. 1998;102:386-394.
Wen Y, Yethiraj A, Weisshaar JC. Excited state kinetics of neutral transition metal atoms by stimulated emission pumping: V*(3d(4)4s, a(4)D)+ hydrocarbons. Journal of Chemical Physics. 1997;106:5509-5525.
Walker RA, Richard EC, Weisshaar JC. Barriers to methyl torsion in 2-fluoro-6-chlorotoluene: Additivity of ortho-substituent effects in S-0, S-1, and D-0. Journal of Physical Chemistry. 1996;100:7333-7344.
Richard EC, Walker RA, Weisshaar JC. Hindered internal rotation and torsion-vibrational coupling in ortho-chlorotoluene (S-1) and ortho-chlorotoluene(+) (D-0). Journal of Chemical Physics. 1996;104:4451-4469.
Feldgus SH, Schroeder MJ, Walker RA, Woo WK, Weisshaar JC. Hindered internal rotation in S-1 meta-chlorotoluene and D-0 meta-chlorotoluene. International Journal of Mass Spectrometry and Ion Processes. 1996;159:231-244.
Eiden GC, Weisshaar JC. Vibronic coupling mechanism in the (A)over-tilde(2)A(2)-(B)over-tilde(2)B(2) excited states of benzyl radical. Journal of Chemical Physics. 1996;104:8896-8912.
Eiden GC, Lu KT, Badenhoop J, Weinhold F, Weisshaar JC. Threshold photoionization spectra of benzyl radical: Cation vibrational states and ab initio calculations. Journal of Chemical Physics. 1996;104:8886-8895.
Carroll JJ, Weisshaar JC. Gas phase kinetics of neutral transition metal atoms: Reactions of Hf, Ta, Ir, Pt, and Au with alkanes and alkenes. Journal of Physical Chemistry. 1996;100:12355-12363.
Walker RA, Richard EC, Lu KT, Weisshaar JC. METHYL-GROUP INTERNAL-ROTATION IN 2,6-DIFLUOROTOLUENE (S-1) AND 2,6-DIFLUOROTOLUENE(+) (D-0). Journal of Physical Chemistry. 1995;99:12422-12433.
Walker RA, Richard E, Lu KT, Sibert EL, Weisshaar JC. INTENSITIES OF FORBIDDEN PURE TORSIONAL BANDS IN S-1-S-0 SPECTRA OF TOLUENES. Journal of Chemical Physics. 1995;102:8718-8724.
Lu KT, Weinhold F, Weisshaar JC. UNDERSTANDING BARRIERS TO INTERNAL-ROTATION IN SUBSTITUTED TOLUENES AND THEIR CATIONS. Journal of Chemical Physics. 1995;102:6787-6805.
Carroll JJ, Weisshaar JC, Siegbahn PEM, Wittborn CAM, Blomberg MRA. EXPERIMENTAL AND THEORETICAL-STUDY OF THE GAS-PHASE REACTIONS BETWEEN SMALL LINEAR ALKANES AND THE PLATINUM AND IRIDIUM ATOMS. Journal of Physical Chemistry. 1995;99:14388-14396.
Carroll JJ, Haug KL, Weisshaar JC, Blomberg MRA, Siegbahn PEM, Svensson M. GAS-PHASE REACTIONS OF 2ND-ROW TRANSITION-METAL ATOMS WITH SMALL HYDROCARBONS - EXPERIMENT AND THEORY. Journal of Physical Chemistry. 1995;99:13955-13969.
Noll RJ, Weisshaar JC. BIMOLECULAR REACTIONS IN REAL-TIME - NI+(D-2(5/2))+N-C4H10 ELIMINATION-REACTIONS. Journal of the American Chemical Society. 1994;116:10288-10289.
Weisshaar JC. BARE TRANSITION-METAL ATOMS IN THE GAS-PHASE - REACTIONS OF M, M+, AND M2+ WITH HYDROCARBONS. Accounts of Chemical Research. 1993;26:213-219.
Weisshaar JC. REACTIONS OF GAS-PHASE TRANSITION-METAL ATOMS WITH SMALL HYDROCARBONS. ACS Symposium Series. 1993;530:208-219.
Lu KT, Weisshaar JC. SILYL GROUP INTERNAL-ROTATION IN S1 PHENYLSILANE AND PHENYLSILANE CATION - EXPERIMENTS AND AB-INITIO CALCULATIONS. Journal of Chemical Physics. 1993;99:4247-4265.
Carroll JJ, Weisshaar JC. REACTIONS OF NEUTRAL PALLADIUM ATOMS IN THE GAS-PHASE - FORMATION OF STABLE PD(ALKANE) COMPLEXES AT 300-K. Journal of the American Chemical Society. 1993;115:800-801.
Carroll JJ, Haug KL, Weisshaar JC. GAS-PHASE KINETICS OF NEUTRAL TRANSITION-METAL ATOMS - REACTIONS OF Y THROUGH MO WITH ALKANES AND ALKENES AT 300-K. Journal of the American Chemical Society. 1993;115:6962-6968.
Weisshaar JC. CONTROL OF TRANSITION-METAL CATION REACTIVITY BY ELECTRONIC STATE SELECTION. Advances in Chemical Physics. 1992;82:213-262.
Ritter D, Carroll JJ, Weisshaar JC. KINETICS OF NEUTRAL TRANSITION-METAL ATOMS IN THE GAS-PHASE - REACTIONS OF SC THROUGH CU WITH ALKANES AND ALKENES. Journal of Physical Chemistry. 1992;96:10636-10645.
Lu KT, Eiden GC, Weisshaar JC. TOLUENE CATION - NEARLY FREE ROTATION OF THE METHYL-GROUP. Journal of Physical Chemistry. 1992;96:9742-9748.
Harrington J, Weisshaar JC. STATE-TO-STATE PHOTOIONIZATION OF VO - PROPENSITY FOR LARGE, POSITIVE CHANGES IN ROTATIONAL QUANTUM NUMBER. Journal of Chemical Physics. 1992;97:2809-2812.
Hanton SD, Noll RJ, Weisshaar JC. ELECTRONIC-STATE-SPECIFIC TRANSITION-METAL CATION CHEMISTRY - FE++C3H8 AND N-C4H10. Journal of Chemical Physics. 1992;96:5176-5190.
Hanton SD, Noll RJ, Weisshaar JC. RESONANT 2-PHOTON IONIZATION OF ATOMIC FE - ELECTRONIC BRANCHING FRACTIONS AND STATE-RESOLVED PHOTOELECTRON ANGULAR-DISTRIBUTIONS. Journal of Chemical Physics. 1992;96:5165-5175.
Noll RJ, Ochalla LL, Weisshaar JC. TECHNIQUE FOR COVERING LARGE APERTURES IN ION OPTICS WITH ELECTROFORMED METAL MESH. Review of Scientific Instruments. 1991;62:246-246.
Eiden GC, Weisshaar JC. ADIABATIC IONIZATION-POTENTIAL OF BENZYL RADICAL BY 2-COLOR RESONANT 2-PHOTON IONIZATION. Journal of Physical Chemistry. 1991;95:6194-6197.
Eiden GC, Weinhold F, Weisshaar JC. PHOTOELECTRON-SPECTROSCOPY OF FREE-RADICALS WITH CM-1 RESOLUTION - THE BENZYL CATION. Journal of Chemical Physics. 1991;95:8665-8668.
Sanders L, Hanton SD, Weisshaar JC. TOTAL REACTION CROSS-SECTIONS OF ELECTRONIC STATE-SPECIFIED TRANSITION-METAL CATIONS - V++C2H6, C3H8, AND C2H4 AT 0.2 EV. Journal of Chemical Physics. 1990;92:3498-3518.
Sanders L, Hanton SD, Weisshaar JC. RESONANT 2 PHOTON IONIZATION OF V-ATOMS - V+ ELECTRONIC STATE DISTRIBUTIONS AND J-RESOLVED PHOTOELECTRON ANGULAR-DISTRIBUTIONS. Journal of Chemical Physics. 1990;92:3485-3497.
Ritter D, Weisshaar JC. REACTIVITY OF NEUTRAL FE, CO, NI, AND CU ATOMS WITH LINEAR ALKANES AND ALKENES IN THE GAS-PHASE. Journal of the American Chemical Society. 1990;112:6425-6426.
Ritter D, Weisshaar JC. KINETICS OF NEUTRAL TRANSITION-METAL ATOMS IN THE GAS-PHASE - OXIDATION OF SC(A2D), TI(A3F), AND V(A4F) BY NO, O2, AND N2O. Journal of Physical Chemistry. 1990;94:4907-4913.
Harrington JE, Weisshaar JC. ADIABATIC IONIZATION-POTENTIAL OF AL-2 AND VIBRATIONAL-SPECTRUM OF THE X2-SIGMA-G+ STATE OF AL-2+. Journal of Chemical Physics. 1990;93:854-855.
Hanton SD, Noll RJ, Weisshaar JC. SPIN ORBIT-LEVEL EFFECT ON FE+(3D7,F-4J) + C3H8 TOTAL REACTION CROSS-SECTION AT 0.22-EV. Journal of Physical Chemistry. 1990;94:5655-5658.
Weisshaar JC. APPLICATION OF BADGER RULE TO 3RD ROW METAL DIATOMICS. Journal of Chemical Physics. 1989;90:1429-1433.
Sappey AD, Harrington JE, Weisshaar JC. RESONANT 2-PHOTON IONIZATION-PHOTOELECTRON SPECTROSCOPY OF CU-2 - AUTOIONIZATION DYNAMICS AND CU-2+ VIBRONIC STATES. Journal of Chemical Physics. 1989;91:3854-3868.
Sappey AD, Eiden G, Harrington JE, Weisshaar JC. VIBRONIC STRUCTURE OF TIO+ FROM MULTIPHOTON IONIZATION PHOTOELECTRON-SPECTROSCOPY. Journal of Chemical Physics. 1989;90:1415-1428.
Ritter D, Weisshaar JC. KINETICS OF NEUTRAL TRANSITION-METAL ATOMS IN THE GAS-PHASE - OXIDATION OF TI(A3F) BY NO, O-2, AND N2O. Journal of Physical Chemistry. 1989;93:1576-1581.
Hanton SD, Sanders L, Weisshaar JC. ABSENCE OF SPIN ORBIT EFFECTS ON V+(A3FJ)+C2H6 REACTION CROSS-SECTION AT 0.2 EV. Journal of Physical Chemistry. 1989;93:1963-1969.
Tonkyn R, Ronan M, Weisshaar JC. MULTICOLLISION CHEMISTRY OF GAS-PHASE TRANSITION-METAL IONS WITH SMALL ALKANES - RATE CONSTANTS AND PRODUCT BRANCHING AT 0.75 TORR OF HE. Journal of Physical Chemistry. 1988;92:92-102.
Sappey AD, Harrington JE, Weisshaar JC. CU-2+ VIBRONIC STATES AT 0-1.4 EV FROM MULTIPHOTON IONIZATION PHOTOELECTRON-SPECTROSCOPY. Journal of Chemical Physics. 1988;88:5243-5245.
Blair JT, Weisshaar JC, Weinhold F. THE 2AG EXCITED-STATE OF (CO)2+. Journal of Chemical Physics. 1988;88:1467-1468.
Sappey AD, Weisshaar JC. VIBRONIC SPECTRUM OF COLD, GAS-PHASE ALLYL RADICALS BY MULTIPHOTON IONIZATION. Journal of Physical Chemistry. 1987;91:3731-3736.
Sanders L, Hanton S, Weisshaar JC. ELECTRON-SPIN STATE SELECTIVITY IN TRANSITION-METAL ION REACTIONS - V+(A3F) +C2H6- VC2H4++H2. Journal of Physical Chemistry. 1987;91:5145-5148.
Blair JT, Weisshaar JC, Carpenter JE, Weinhold F. PHOTODISSOCIATION OF (CO)2+ - THEORETICAL-STUDIES OF GROUND 2BU AND EXCITED 2BG POTENTIAL-ENERGY SURFACES. Journal of Chemical Physics. 1987;87:392-410.
Tonkyn R, Weisshaar JC. REACTIONS OF GAS-PHASE DIPOSITIVE TITANIUM IONS WITH ALKANES. Journal of the American Chemical Society. 1986;108:7128-7130.
Tonkyn R, Weisshaar JC. TRANSITION-METAL CATION CHEMISTRY IN 1-TORR OF HE - M+ + C2H6 REACTION-RATES. Journal of Physical Chemistry. 1986;90:2305-2308.
Sanders L, Sappey AD, Weisshaar JC. EXCITED STATE-SELECTED TRANSITION-METAL CATIONS FROM ONE-COLOR UV MULTIPHOTON IONIZATION. Journal of Chemical Physics. 1986;85:6952-6963.
Ostrander SC, Weisshaar JC. EXCITED-STATE N-2+(B) FRAGMENTS FROM THE PHOTODISSOCIATION OF N-4+ AT 270-290 NM. Chemical Physics Letters. 1986;129:220-224.
Ostrander SC, Sanders L, Weisshaar JC. VIBRONIC BAND-STRUCTURE IN THE 270-330 NM PHOTODISSOCIATION SPECTRUM OF (CO)2+. Journal of Chemical Physics. 1986;84:529-530.
Moore CB, Weisshaar JC. FORMALDEHYDE PHOTOCHEMISTRY. Annual Review of Physical Chemistry. 1983;34:525-555.
Weisshaar JC, Bamford DJ, Specht E, Moore CB. QUENCHING, ELECTRONIC-ENERGY TRANSFER, AND ROTATIONAL RELAXATION OF S1 FORMALDEHYDE. Journal of Chemical Physics. 1981;74:226-234.
Weisshaar JC, Moore CB. ISOTOPE, ELECTRIC-FIELD, AND VIBRATIONAL-STATE DEPENDENCE OF SINGLE ROTATIONAL LEVEL LIFETIMES OF S1 FORMALDEHYDE. Journal of Chemical Physics. 1980;72:5415-5425.
Weisshaar JC, Moore CB. ELECTRIC-FIELD DEPENDENCE OF COLLISIONLESS, SINGLE ROTATIONAL LEVEL LIFETIMES OF S1 H2CO. Journal of Chemical Physics. 1980;72:2875-2876.
Weisshaar JC, Moore CB. COLLISIONLESS NONRADIATIVE DECAY-RATES OF SINGLE ROTATIONAL LEVELS OF S1 FORMALDEHYDE. Journal of Chemical Physics. 1979;70:5135-5146.
Weisshaar JC, Baronavski AP, Cabello A, Moore CB. COLLISIONLESS DECAY, VIBRATIONAL-RELAXATION, AND INTERMEDIATE CASE QUENCHING OF S1 FORMALDEHYDE. Journal of Chemical Physics. 1978;69:4720-4731.