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Rudolph E. K. Winter

Researcher at University of Missouri–St. Louis

Publications -  29
Citations -  342

Rudolph E. K. Winter is an academic researcher from University of Missouri–St. Louis. The author has contributed to research in topics: Proton NMR & Crystal structure. The author has an hindex of 11, co-authored 29 publications receiving 331 citations.

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Geographic distribution of three alkaloid chemotypes of Croton lechleri.

TL;DR: Three known alkaloids have been isolated for the first time from Croton lechleri, a source of the wound healing latex "sangre de grado", and three chemotypes are defined based on the alkaloid content of the leaves, and the geographic distribution is discussed.
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Carboxylate Anion Diminishes Chloride Transport through a Synthetic, Self-Assembled Transmembrane Pore

TL;DR: Six amphiphilic heptapeptides with the structure C18H37, in which Glx represents glutamic acid or its benzyl ester and n+m=2, have been studied, and planar bilayer voltage clamp experiments confirmed that pores with more than one conductance state may form in these dynamic, self-assembled pores.
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New derivatives of [NHMe3][7-Me-μ-(9,10-HMeC)-nido-7-CB10H10]

TL;DR: In this article, the first derivatives of the [7-R-μ-(9,10-HRC)-nido-7-CB10H10]- anion not involving degradation were characterized by NMR spectrometry, high-resolution mass spectrometer, and single-crystal X-ray diffraction studies.
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Discrimination by the Potato Leafhopper (Hemiptera: Cicadellidae) of Host Volatiles from Resistant and Susceptible Alfalfa, Medicago sativa L.

TL;DR: Varieties of glandular-haired alfalfa with resistance to the potato leafhopper, Empoasca fabae (Harris), have been commercially released and it is determined that steam distillates from both G98A and Ranger were composed mainly of alcohols and esters, with 1-octen-3-ol, (Z)-3-Hexenyl acetate, and (Z)3-hexen-1-ol as major components.