Search Results - "Ngai, S. H."

Opiate receptor mediation of ketamine analgesia by Finck, A D, Ngai, S H

“…Previous workers have noted that analgesia produced by ketamine can be antagonized by the narcotic antagonist, naloxone. In order to elaborate further the…”
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Nitrous oxide analgesia: reversal by naloxone and development of tolerance by Berkowitz, B A, Finck, A D, Ngai, S H

“…The objective of this study was to characterize further the nature of nitrous oxide analgesia and to establish if tolerance to nitrous oxide occurs. Methods…”
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Morphine tolerance decreases the analgesic effects of ketamine in mice by FINCK, A. D, SAMANIEGO, E, NGAI, S. H

“…Previous studies have shown that ketamine interacts with opiate receptors, and it has been suggested that ketamine-induced analgesia is mediated through opiate…”
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Nitrous Oxide "Analgesia": Resemblance to Opiate Action by Berkowitz, Barry A., Ngai, S. H., Finck, A. Donald

“…Nitrous oxide produced a dose-related "analgesia" in mice (median effective dose, 55 percent). The analgesia was evaluated by means of a phenylquinone writhing…”
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Pharmacokinetics of naloxone in rats and in man: basis for its potency and short duration of action by Ngai, S H, Berkowitz, B A, Yang, J C, Hempstead, J, Spector, S

“…Using a specific and sensitive radioimmunoassay, naloxone concentrations in the brains and sera of rats were measured at intervals for four hours following iv…”
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Effects of anesthetics on various organs by Ngai, S H

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Disposition of naloxone: use of a new radioimmunoassay by Berkowitz, B A, Ngai, S H, Hempstead, J, Spector, S

“…Understanding of the pharmacology of the narcotic antagonist naloxone has been limited by the lack of a convenient and sensitive method of assay. A…”
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Antagonism of nitrous oxide analgesia by naloxone in man by Yang, J C, Clark, W C, Ngai, S H

“…The possible reversal of nitrous oxide analgesia by naloxone was investigated. Two studies were conducted in 21 healthy male subjects, who responded to…”
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Antagonism of general anesthesia by naloxone in the rat by Finck, A D, Ngai, S H, Berkowitz, B A

“…The effect of naloxone, a narcotic antagonist, on the response of animals to painful stimuli during anesthesia was studied. Rats were anesthetized with…”
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Tolerance to nitrous oxide analgesia in rats and mice by Berkowitz, B A, Finck, A D, Hynes, M D, Ngai, S H

“…The purpose of these experiments was to characterize the nature of tolerance to the analgesic action of nitrous oxide. Analgesia was assessed in rats using a…”
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Effects of isoflurane and halothane on contractility and the cyclic 3', 5'-adenosine monophosphate system in the rat aorta by Sprague, D H, Yang, J C, Ngai, S H

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Prolonged Exposure to Nitrous Oxide Decreases Opiate Receptor Density in Rat Brainstem by Ngai, SH, Finck, AD

“…Groups of rats were exposed to air or 80 per cent nitrous oxide for 30 min or 18 h, following which the brainstem opiate receptor density and the apparent…”
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Effects of anesthetics on circulatory regulatory mechanisms in the dog by Ngai, S H, Bolme, P

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Lysergic Acid Diethylamide: Role in Conversion of Plasma Tryptophan to Brain Serotonin (5-Hydroxytryptamine) by Lin, Robert C., Ngai, S. H., Costa, E.

“…Injections of D-lysergic acid diethylamide decrease the turnover rate of 5-hydroxytryptamine of rat brain, as measured from the conversion of…”
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Plasma Catecholamines-Their Significance in Anesthesia by Ngai, S. H.

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Cyclic AMP and smooth muscle function by Triner, L, Nahas, G G, Vulliemoz, Y, Overweg, N T, Verosky, M, Habif, D V, Ngai, S H

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Effects of morphine and meperidine on the central respiratory mechanisms in the cat; the action of levallorphan in antagonizing these effects by NGAI, S H

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Nitrous oxide selectively releases Met5-enkephalin and Met5-enkephalin-Arg6-Phe7 into canine third ventricular cerebrospinal fluid by FINCK, A. D, SAMANIEGO, E, NGAI, S. H

“…The role of the opioid receptor-endogenous opioid peptide system in mediating analgesia induced by nitrous oxide has been a controversial subject. Most…”
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MORPHOLOGIC CHANGES IN HEPATIC NECROSIS FOLLOWING HALOTHANE ANESTHESIA IN MAN by BLACKBURN, W R, NGAI, S H, LINDENBAUM, J

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Acetylcholine concentrations and turnover in rat brain structures during anesthesia with halothane, enflurane, and ketamine by Ngai, S H, Cheney, D L, Finck, A D

“…Acetylcholine and choline concentrations in brain structures of rats during anesthesia with halothane (0.7-1.0 per cent inspired), enflurane (2.7-3.0 per cent,…”
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