Sarah E. Nelson

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Marilyn E. Carroll

University of Minnesota

Jennifer L. Perry

Alzheimer Society of Canada

Yuan Yang

University of Science and Technology Beijing

James L. Horan

Colorado School of Mines

Justin J. Anker

University of Minnesota

Gregory J. Schlichting

Colorado School of Mines

Andrew M. Herring

Colorado School of Mines

Jeri D. Jessop

Colorado School of Mines

Marissa M. Anderson

University of Minnesota

Sönke Seifert

Argonne National Laboratory

Cooperative Institutions

Colorado School of Mines

University of Minnesota

National Renewable Energy Laboratory

University of Minnesota Medical Center

University of Science and Technology Beijing

Hunan University of Technology

Columbia University

Beijing Chao-Yang Hospital

Capital Medical University

University of South China

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Reinstatement of Cocaine-Seeking Behavior in Rats With High- and Low-Saccharin Intake or Impulsivity for Food

PsycEXTRA Dataset (2006)

Jennifer L. Perry Sarah E. Nelson Justin J. Anker Marilyn E. Carroll

Saccharin

10.1037/e510682007-001

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Citations (0)

Acquisition of IV Cocaine Self-Administration in Adolescent and Adult Male Rats Selectively Bred for High and Low Saccharin Intake

PsycEXTRA Dataset (2007)

Jennifer L. Perry Marissa M. Anderson Sarah E. Nelson Marilyn E. Carroll

Saccharin

Self-administration

Adult male

10.1037/e703642007-001

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Citations (1)

A Hybrid Organic/Inorganic Ionomer from the Copolymerization of Vinylphosphonic Acid and Zirconium Vinylphosphonate

Macromolecules (2012)

Gregory J. Schlichting James L. Horan Jeri D. Jessop Sarah E. Nelson Sönke Seifert

Copolymers of vinylphosphonic acid with zirconium vinylphosphonate have been synthesized via free radical polymerization from immiscible mixtures into amorphous, transparent, water stable, and flexible membranes. Ion exchange capacities range from 6 to 10 mequiv/g, corresponding to equivalent weights well below 200 g/mol. A 20 wt % loading of the vinyl zirconium phosphonate comonomer is XRD amorphous. It is shown that 1.5 of the 2 protons in the beginning acidic groups are dissociated in the 20 wt % VZP loaded ionomer, allowing these materials to have high proton conductivities, up to and exceeding 0.1 S cm–1 at 80 °C and 80% RH. Water uptake measurements show very little swelling of the material below 70% RH and ca. 1 water per proton at low RH. Proton conductivity under dry conditions, roughly 0.05 S cm–1 with a λ < 1, indicates that the material conducts protons under limiting hydration conditions and strongly implicates transport by a pure Grotthuss mechanism.

Comonomer

Ionomer

Phosphonate

10.1021/ma300196y

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Citations (24)