Výsledky vyhledávání - "FRED M. SCHELL"

Characterization of volatile, hydrophobic cyclodextrin derivatives as thin films for sensor applications

Autor: Fred M. Schell, Michael J. Sepaniak, Mustafa Culha, Nickolay V. Lavrik, Christopher A. Tipple

Publikováno v: Sensors and Actuators B: Chemical. 92:171-180

Successful development of chemical sensors and multi-sensor arrays critically depends on the availability of appropriate coatings. In the present studies, we synthesized hydrophobic and thermally stable cyclodextrin (CD) derivatives and, using a phys

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8c0e6a58997ed6ab983af75cb044303e
https://doi.org/10.1016/s0925-4005(03)00260-0

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Structure of the lactam of guanidinoglutaric acid (N-Amidinoglutamic acid)

Autor: Samuel Natelson, Fred M. Schell

Publikováno v: Microchemical Journal. 42:161-169

Glutamic acid forms a lactam on boiling in water to form pyroglutamic acid (pGlu). This compound is a pyrrole derivative. N-Amidinoglutamic acid (guanidinoglutaric acid) also forms a lactone on boiling in aqueous solution (pyroamidinoglutamic acid, p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::72497647636ebc1f94ecb30b25536318
https://doi.org/10.1016/0026-265x(90)90041-3

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Carbon-13-phosphorus-31 cross polarization between isolated spin pairs in organophosphorus substances: intramolecular structure and internuclear distance determinations in spinning solids

Autor: Madge C. Woody, Lloyd L. Brown, Edward W. Hagaman, Patience C. Ho, Fred M. Schell

Publikováno v: Journal of the American Chemical Society. 112:7445-7450

Cross polarization between dilute effectively isolated {sup 13}C-{sup 31}P spin pairs provides a unique method to examine selectively the microenvironment around the phosphorus atom in organophosphorus substances. Strong oscillations occur during cro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::61346af814d4d4227a107b983cab01f1
https://doi.org/10.1021/ja00177a001

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Analysis of chemicals from earthworms and fish that elicit prey attack by ingestively naive garter snakes (Thamnophis)

Autor: Adam Johnston, Fred M. Schell, Christopher Coholich, Gordon M. Burghardt

Publikováno v: Journal of Chemical Ecology. 16:67-77

Materials previously shown to elicit increased tongue-flicking and prey attack in garter snakes (Thamnophis sirtalis) were isolated from both earthworms (Lumbricus terrestris) and fish (Pimephales promelas). Both high- and low-molecular-weight compon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bbf04bca6287ff61ea54f430c62ad19
https://doi.org/10.1007/bf01021268

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Evaluation of newly synthesized and commercially available charged cyclomaltooligosaccharides (cyclodextrins) for capillary electrokinetic chromatography

Autor: Fred M. Schell, Michael J. Sepaniak, Thomas K. Green, Shannon Fox, Thomas A. Betts, Mustafa Culha

Publikováno v: Carbohydrate research. 339(2)

A highly new charged cyclodextrin (CD) derivatives, (6-O-carboxymethyl-2,3-di-O-methyl)cyclomaltoheptaoses (CDM-beta-CDs), was synthesized and characterized as anionic reagents for capillary electrophoresis (CE) in an electrokinetic chromatography mo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98acd1d7eb3829a0f3b5b41c6352047b
https://pubmed.ncbi.nlm.nih.gov/14698882

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ChemInform Abstract: Photo-Aza-Claisen Rearrangements of Cyclic Enaminones

Autor: R. Bayer, Fred M. Schell, Bernhard Vogler, M. Meller, W. Kraus

Publikováno v: ChemInform. 21

Reaction intramoleculaire de cyclohexene-1yl- et cyclopentene-1yl-2 ethylamino-3 et -methylamino-3 cyclohexene-2ones

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98348c6b95863d5764a253a8cace7276
https://doi.org/10.1002/chin.199005090

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Synthesis ofN-Benzoyl-4-oxo-1,2,3,4-Tetrahydropyridine and its Ethylene Ketal

Autor: Paul R. Williams, Fred M. Schell

Publikováno v: Synthetic Communications. 12:755-761

Recently we had need for large quantities of N-benzoyl-4-oxo-1,2,3,4-tetrahydropyridine (1), its ethylene ketal derivative 7, and potentially other N-acyl derivatives. Prior to our initial studies, the N-carboethoxy derivative 2 had been prepared by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::87305d311001829aca04840055161182
https://doi.org/10.1080/00397918208061914

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Photo-aza-Claisen rearrangements of cyclic enaminones

Autor: Bernhard Vogler, Fred M. Schell, M. Meller, R. Bayer, W. Kraus

Publikováno v: The Journal of Organic Chemistry. 54:4165-4168

Reaction intramoleculaire de cyclohexene-1yl- et cyclopentene-1yl-2 ethylamino-3 et -methylamino-3 cyclohexene-2ones

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3849a562b6e4a9ddfc92b53a10d00e66
https://doi.org/10.1021/jo00278a033

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Responses by king snakes (Lampropeltis getulus) to chemicals from colubrid and crotaline snakes

Autor: Fred M. Schell, Paul J. Weldon

Publikováno v: Journal of Chemical Ecology. 10:1509-1520

Four litters of king snakes (Lampropeltis getulus), a snake-eating species, were tested for responses to chemicals from colubrid and crotaline snakes. King snakes presented with swabs rubbed against the dorsal skin of living snakes and with swabs tre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7318e23a9dab3ecb40c0eb0dd5c14205
https://doi.org/10.1007/bf00990320

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