Search Results - "Whitten, W.B."

Direct observation of the evolution of the soot carbonization process in an acetylene diffusion flame via real-time aerosol mass spectrometry by Reilly, P.T.A, Gieray, R.A, Whitten, W.B, Ramsey, J.M

“…Real-time aerosol mass spectrometry was used to measure the size and composition of individual soot particles in an acetylene diffusion flame. This on-line…”
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Time-of-flight optical spectrometry with fiber optic waveguides by Whitten, William B

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Microfabricated Quadrupole Ion Trap for Mass Spectrometer Applications by Pau, S., Lucent Technologies, Bell Laboratories, Murray Hill, New Jersey 07974, Pai, C.S., Low, Y.L., Moxom, J., Reilly, P.T.A., Whitten, W.B., Ramsey, J.M.

“…An array of miniaturized cylindrical quadrupole ion traps, with a radius of 20 {mu}m, is fabricated using silicon micromachining using phosphorus doped…”
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Detecting Single Molecules in Liquids by Barnes, Michael D, Whitten, William B, Ramsay, J. Michael

“…The trade-offs between sample throughput and sensitivity in single-molecule fluorescence detection are discussed, and examples of different detection schemes…”
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Fluorescence of oriented molecules in a microcavity by Barnes, MD, Kung, CY, Whitten, WB, Ramsey, JM, Arnold, S, Holler, S

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Detection of single Rhodamine 6G molecules in levitated microdroplets by Barnes, Michael D, Ng, Kin C, Whitten, William B, Ramsey, J. Michael

“…Single rhodamine 6G molecules in levitated glycerol microdroplets have been detected with signal-to-noise ratios of less than 40 using CW laser-induced…”
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Soot-free synthesis of C60 by RODGERS, Ryan P, REILLY, Peter T. A, WHITTEN, William B, RAMSEY, J. Michael

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Real-Time Characterization of the Organic Composition and Size of Individual Diesel Engine Smoke Particles by Reilly, Peter T. A, Gieray, Rainer A, Whitten, William B, Ramsey, J. Michael

“…Real-time analysis of individual diesel engine exhaust particles was demonstrated using an ion trap mass spectrometer. Measurements were made on the nebulized…”
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Theory of high-resolution mass spectrometry achieved via resonance ejection in the quadrupole ion trap by Goeringer, Douglas E, Whitten, William B, Ramsey, J. Michael, McLuckey, Scott A, Glish, Gary L

“…Analytical expressions are derived for the ion resonance ejection line shape beginning with the pseudopotential well approximation for ion motion in the…”
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High-Efficiency Molecular Counting in Solution:  Single-Molecule Detection in Electrodynamically Focused Microdroplet Streams by Lermer, N, Barnes, M. D, Kung, C.-Y, Whitten, W. B, Ramsey, J. M

“…We report fluorescence detection of individual rhodamine 6G molecules using a linear quadrupole to focus streams of microdroplets through the waist of a…”
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Tandem Mass Spectrometry of Individual Airborne Microparticles by Reilly, P. T. A., Gieray, R. A., Yang, M., Whitten, W. B., Ramsey, J. M.

“…An apparatus for real-time MS/MS analysis of individual airborne microparticles by laser ablation in an ion trap is described. The performance has been…”
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Real-time detection of individual airborne bacteria by Gieray, R.A., Reilly, P.T.A., Yang, M., Whitten, W.B., Ramsey, J.M.

“…Airborne bacteria and bacterial spores were directly sampled by an ion trap mass spectrometer with an atmospheric pressure inlet system. Samples were…”
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Simulation of Single-Molecule Photocount Statistics in Microdroplets by Hill, Steven C, Barnes, Michael D, Lermer, Noah, Whitten, William B, Ramsey, J. Michael

“…We present results of detailed calculations of photocount statistics for single molecules in microdroplets. A Monte Carlo approach is used to simulate effects…”
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Chemical Characterization of Single Particles by Laser Ablation/Desorption in a Quadrupole Ion Trap Mass Spectrometer by Dale, John M, Yang, Mo, Whitten, William B, Ramsey, J. Michael

“…Particles are introduced into the center of the space surrounded by the hyperbolic electrode surfaces of a quadrupole ion trap mass spectrometer. Ions are…”
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Digital chemical analysis of dilute microdroplets by Ng, Kin C, Whitten, William B, Arnold, Stephen, Ramsey, J. Michael

“…The concept of digital molecular detection, the ability to count individual molecules, is described and the mathematical framework for defining detection…”
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Laser Desorption Mass Spectrometry of a Levitated Single Microparticle in a Quadrupole Ion Trap by Yang, Mo, Dale, John M., Whitten, William B., Ramsey, J. Michael

“…Techniques for microparticle levitation in a vacuum ion trap and switching of electric fields from particle levitation mode to ion trapping mode prior to laser…”
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Laser Desorption Tandem Mass Spectrometry of Individual Microparticles in an Ion Trap Mass Spectrometer by Yang, Mo, Dale, John M, Whitten, William B, Ramsey, J. Michael

“…A technique for tandem mass spectrometry of individual microparticles in an ion trap mass spectrometer is described. The particles are sampled by laser…”
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Degenerate four-wave mixing as a spectrochemical analysis technique by Ramsey, J. Michael, Whitten, William B

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Innovation in the user interface design process by Burns, M.J., Whitten, W.B.

“…Innovation is crucial to the success of the products and services that high-technology companies develop. Innovation in user interfaces is especially important…”
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High-resolution self-scanning continuous wave dye laser by Ramsey, J. M, Whitten, W. B

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