Search Results - "Powers, Stephen P"

Mycological Analysis and Multimycotoxins in Maize from Rural Subsistence Farmers in the Former Transkei, South Africa by Shephard, Gordon S, Burger, Hester-Mari, Gambacorta, Lucia, Krska, Rudolf, Powers, Stephen P, Rheeder, John P, Solfrizzo, Michele, Sulyok, Michael, Visconti, Angelo, Warth, Benedikt, van der Westhuizen, Liana

“…Maize harvested in the Centane region of the former Transkei, Eastern Cape Province, South Africa, by subsistence farmers has been shown over many seasons to…”
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Use of photoaffinity probes containing poly(ethylene glycol) spacers for topographical mapping of the cholecystokinin receptor complex by Powers, Stephen P, Foo, Ivy, Pinon, Delia, Klueppelberg, Ulrich G, Hedstrom, John F, Miller, Laurence J

“…To further define the structure of the pancreatic cholecystokinin (CCK) receptor and the topographical distance relationships between its subunits, we…”
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Reply to Tom Bryder's Review of "Hollywood's America" by Rothman, Stanley, Rothman, David J., Powers, Stephen P.

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Use of a nitrotryptophan-containing peptide for photoaffinity labeling the pancreatic cholecystokinin receptor by Klueppelberg, Ulrich G, Gaisano, Herbert Y, Powers, Stephen P, Miller, Laurence J

“…We report the preparation and characterization of a new type of intrinsic photoaffinity labeling probe, on the basis of the incorporation of a photolabile…”
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Hollywood’s class act by Powers, Stephen P, Rothman, David J, Rothman, Stanley

“…Despite the fluidity of social and economic status in US society, it is still unquestionably true that class and its boundaries have always figured in US…”
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Protease peptide mapping of affinity-labeled rat pancreatic cholecystokinin-binding proteins by Klueppelberg, Ulrich G, Powers, Stephen P, Miller, Laurence J

“…Affinity-labeling probes with sites of cross-linking distributed along the ligand have been used to biochemically characterize the pancreatic cholecystokinin…”
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Hollywood views the military by Rothman, Stanley, Rothman, David J, Powers, Stephen P

“…Motion pictures dealing with the US's foreign policy can be divided into two categories--critical and affirmative. Many critics argue that during the Reagan…”
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Dinitrogen complexes of iridium. Influence of ancillary ligands by Kubota, Mitsuru, Chappell, Thomas G, Powers, Stephen P

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Calpain activity increases in hepatocytes following addition of ATP. Demonstration by a novel fluorescent approach by Rosser, B G, Powers, S P, Gores, G J

“…Our aim was to measure calpain protease activity during increases in cytosolic free calcium (Ca2+i) after addition of extracellular ATP. The calpain protease…”
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Preparation of radiolabeled photolabile probes of high specific radioactivity for affinity labeling by Miller, L J, Hadac, E M, Powers, S P

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Physicochemical determinants in hepatic extraction of small peptides by Hunter, E B, Powers, S P, Kost, L J, Pinon, D I, Miller, L J, LaRusso, N F

“…Although the liver is known to extract amino acids and organic anions by well-characterized transport systems, the factors that regulate the hepatic uptake of…”
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Hollywood's class act by Powers, Stephen P, Rothman, David J, Rothman, Stanley

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Use of N,O-bis-Fmoc-D-Tyr-ONSu for introduction of an oxidative iodination site into cholecystokinin family peptides by Powers, S P, Pinon, D I, Miller, L J

“…We report the synthesis of a new reagent for the introduction of an oxidative iodination site into the amino terminus of acid-labile peptides, and the use of…”
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Dynamic measurements of intracellular aminopeptidase activity in hepatocytes using multiparameter digitized video fluorescent microscopy by Bronk, S F, Powers, S P, Gores, G J

“…Digitized video fluorescent microscopy (DVFM) is a powerful technique for quantitating multiple processes in living cells. However, techniques for measuring…”
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Establishment of a new short, protease-resistant, affinity labeling reagent for the cholecystokinin receptor by Pearson, R K, Powers, S P, Hadac, E M, Gaisano, H, Miller, L J

“…Proteolytic degradation of radioligands is an important source of artifact in affinity labeling of receptor proteins. To complement our previous…”
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3'-Phosphoadenosine-5'-phosphosulfate: photoaffinity ligand for sulfotransferase enzymes by Otterness, D M, Powers, S P, Miller, L J, Weinshilboum, R M

“…Sulfation is an important pathway in the biotransformation of many drugs, xenobiotic compounds, neurotransmitters, and hormones. The sulfate donor for these…”
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A new probe for affinity labelling pancreatic cholecystokinin receptor with minor modification of its structure by FOURMY, Daniel, LOPEZ, Patrick, POIROT, Sandrine, JIMENEZ, Juan, DUFRESNE, Marlène, MORODER, Luis, POWERS, Stephen P., VAYSSE, Nicole

“…Biochemical studies on receptors for peptides are most often carried out on affinity‐labelled (peptide‐receptor) complexes. Necessarily, the assumption is made…”
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Biochemical characterization of the pancreatic cholecystokinin receptor using monofunctional photoactivatable probes by Pearson, R K, Miller, L J, Powers, S P, Hadac, E M

“…Receptor characterization by affinity labeling can be enhanced by taking multiple complementary approaches. To extend our observations on the subunit structure…”
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