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Daniel J. Gaspar

Pacific Northwest National Laboratory

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Barbara J. Finlayson‐Pitts

University of California, Irvine

Avantika Singh

National Renewable Energy Laboratory

S.W. Hunt

Environmental Protection Agency

Alexander Laskin

Purdue University West Lafayette

J. Timothy Bays

Pacific Northwest National Laboratory

George G. Zaimes

United States Department of Energy

Troy R. Hawkins

Argonne National Laboratory

Evgueni Polikarpov

Pacific Northwest National Laboratory

Lelia Cosimbescu

Pacific Northwest National Laboratory

Lauren Sittler

National Renewable Energy Laboratory

Cooperative Institutions

Pacific Northwest National Laboratory

Battelle

Argonne National Laboratory

Richland College

University of California, Irvine

Government of the United States of America

National Renewable Energy Laboratory

Office of Scientific and Technical Information

National Technical Information Service

Environmental Molecular Sciences Laboratory

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Papers

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Research Field

Measuring and predicting the vapor pressure of gasoline containing oxygenates

Daniel J. Gaspar Steven Phillips Evgueni Polikarpov Karl Albrecht Susanne B. Jones

Oxygenate

10.1016/j.fuel.2019.01.137

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Citations (49)

The quest for efficient oxygenated fuels: Examining interactions between lubricant components and oxygenates

Lelia Cosimbescu Kristen B. Campbell Tracy J. Baker Marie Swita Daniel J. Gaspar

Oxygenate

Polyoxymethylene

Lubricity

Flame ionization detector

10.1016/j.fuel.2020.119728

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Citations (2)

Investigation of an electrodeionization system for the removal of low concentrations of ammonium ions

Desalination (1999)

E.F. Spiegel Pam Thompson D.J. Helden Huan V. Doan Daniel J. Gaspar

Water consumption

10.1016/s0011-9164(99)00062-4

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Citations (21)

Production, fuel properties and combustion testing of an iso-olefins blendstock for modern vehicles

Vanessa Lebarbier Dagle Martin Affandy Johnny Saavedra Lopez Lelia Cosimbescu Daniel J. Gaspar

Octane rating

Oxygenate

10.1016/j.fuel.2021.122314

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Citations (19)

TOF-SIMS analysis of sea salt particles: imaging and depth profiling in the discovery of an unrecognized mechanism for pH buffering

Applied Surface Science (2004)

Daniel J. Gaspar Alexander Laskin Wenshan Wang S.W. Hunt Barbara J. Finlayson‐Pitts

Profiling (computer programming)

10.1016/j.apsusc.2004.03.046

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Citations (24)

Secondary Ion Mass Spectrometry of Environmental Aerosols

Daniel J. Gaspar John Cliff

Characterization

Atmospheric chemistry

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Citations (0)

Critical fuel property evaluation for potential gasoline and diesel biofuel blendstocks with low sample volume availability

Evgueni Polikarpov Karl Albrecht Jordan P. Page Deepika Malhotra Phillip Koech

Cetane number

Autoignition temperature

Octane rating

10.1016/j.fuel.2018.09.129

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Citations (10)

Phonons Localized at Step Edges: A Route to Understanding Forces at Extended Surface Defects

L. Niu Daniel J. Gaspar S. J. Sibener

Inelastic helium atom scattering has been used to measure the phonons on a stepped metallic crystalline surface, Ni(977). When the scattering plane is oriented parallel to the step edges and perpendicular to the terraces, two branches of step-induced phonons are observed. These branches are identified as transversely polarized, step-localized modes that propagate along the step edge. Analysis reveals significant anisotropy in the force field near the step edge, with all forces near the step edge being substantially smaller than in the bulk. Such measurements provide valuable information on metallic bonding and interface stability near extended surface defects.

Surface phonon

10.1126/science.268.5212.847

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Citations (42)

Autoignition and select properties of low sample volume thermochemical mixtures from renewable sources

Mariefel V. Olarte Karl Albrecht J. Timothy Bays Evgueni Polikarpov Balakrishna Maddi

Autoignition temperature

Cetane number

Octane rating

Propane

Hydrocarbon mixtures

10.1016/j.fuel.2018.10.115

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Citations (5)

Production and fuel properties of iso-olefins with controlled molecular structure and obtained from butene oligomerization

Vanessa Lebarbier Dagle Johnny Saavedra Lopez Alan Cooper Jon Luecke Marie Swita

Branching (polymer chemistry)

Butene

Isobutylene

Space velocity

Octane rating

Cyclopentanes

10.1016/j.fuel.2020.118147

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Citations (23)