4,027 Result(s)
within
Hua **a
Biomedicine
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Chapter
A Mutant of Rhizobium Japonicum 110 with Elevated Nif Activity in Free-Living Culture
The enhancement of biological nitrogen fixation in the legume-Rhizobium symbiosis involves selection strategies at both the plant and symbiont level to identify and define traits suitable for improving the symbio...
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Chapter and Conference Paper
Effect of the α-Adrenergic Blocking Agent Phentolamine (Regitine) on Acute Hypoxic Pulmonary Hypertension in Awake Dogs
There has long been uncertainty regarding the involvement of the a-adrenergic mechanism in the genesis of acute hypoxic pulmonary hypertension (2). After our repeated failure to obtain any conclusive results i...
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Article
Capsaicin-induced stimulation of the guinea-pig atrium
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The mechanism underlying the positive inotropic and chronotropic effects of capsaicin were investigated using...
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Article
Pneumoconiotic effects of welding-fume particles from mild and stainless steel deposited in the lung of the rat
Rats were exposed to single periods of inhalation of fumes generated by arc welding. Two processes were compared: either manual metal arc (MMA) using flux-coated mild steel (MS) electrodes or metal inert-gas (...
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Article
Inhibition of compound 48/80 — induced vascular protein leakage by pretreatment with capsaicin and a substance P antagonist
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Intravenous injection of compound 48/80 (1 mg×kg−1) induced an acute increase in vascular permeability to pla...
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Article
Comparison of cardiovascular and bronchoconstrictor effects of substance P, substance K and other tachykinins
The effects of substance P (SP), substance K (SK), physalaemin, eledoisin, kassinin, neuromedin K and bombesin on blood pressure, heart rate, respiratory insufflation pressure and plasma extravasation were stu...
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Article
Comparison of cardiovascular and bronchoconstrictor effects of substance P, substance K and other tachykinins
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Chapter
The Insulin Receptor as a Tyrosine- Specific Protein Kinase
Despite detailed understanding of the structure, biosynthesis, and metabolic effects of insulin, it is not known how the interaction of insulin with its receptor generates a biological signal (Cobb and Rosen, ...
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Article
Selective destruction by formaldehyde fixation of an H-2Kb serological determinant involving lysine 89 without loss of T-cell reactivity
In preparation for functional analyses, a study of the binding of H-2Kb-specific monoclonal antibodies (mAb) to formaldehyde (FOR)-fixed H-2b spleen or tumor cells revealed that three of nine mAb tested had lost ...
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Article
Leukotrienes C4, D4 and E4 cause widespread and extensive plasma extravasation in the guinea pig
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Intravenous injection of leukotriene C4 (1 nmol × kg−1) caused substantial plasma exudation in anesthetized g...
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Chapter
Isolation of a Native Connectin-Like Protein from the Plasmodium of Physarum polycephalum and its Interaction with Myosin and Actin
In 1980 we reported that there is a sodium dodecyl sulfate (SDS)-insoluble filamentous protein in Physarum, and this peculiar protein is very similar in filamentous structure and amino acid composition to connect...
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Article
Distribution and morphology of dopaminergic amacrine cells in the retina of the turtle (Pseudemys scripta elegans)
A light microscopical study of the cell types that stain by immunohistochemistry for the synthesizing enzyme for dopamine, tyrosine hydroxylase, has been performed on the retina of the turtlePseudemys scripta ele...
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Article
Molecular basis of β thalassemia in South China
The phenotype of β thalassemia can be caused by over 40 different mutations. To set up a prenatal diagnosis program using DNA analysis, it is important to determine the type and frequency of mutation in a part...
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Article
Glucose-6-phosphate dehydrogenase variants and their frequency in Guangdong, China
Erythrocyte glucose-6-phosphate dehydrogenase (G6PD) was characterized in blood samples obtained from 97 randomly selected males with enzyme deficiency from various regions of Guangdong Province, China. Nine n...
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Chapter and Conference Paper
Desegregation: Bussing of Signals Through the Retinal Network
One of the information processing principles that has been repeatedly discovered in the nervous system is the segregation of signals into separate but parallel pathways. In the visual system, for example, sepa...
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Chapter
Biological Activities of Anti-LPS Factor and LPS Binding Peptide from Horseshoe Crab Amoebocytes
Amoebocytes of horseshoe crabs (such as Limulus polyphemus and Tachypleus tridentatus) contain a coagulation system which is triggered by minute amounts of endotoxic lipopolysaccharide (LPS) and (1–3)-β-D-gluc...
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Article
Spectrophotometric determination of pyrrole-like substances in urine of rat and man: An assay for the evaluation of 2,5-hexanedione formed fromn-hexane
Male Wistar rats exposed to atmosphericn-hexane excreted in their urine substances which gave rise to absorption spectra like those of pyrroles after the reaction with Ehrlich's reagent. A simple spectrophometric...
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Article
In viro simulation ofin vivo dynamic micromechanical failure of sructural composite biomaterials
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Article
Quantitative Structure–Activity Relationship Analysis of Combretastatins: A Class of Novel Antimitotic Agents
Combretastatins and their synthetic analogues, having structural features resembling that of colchicine, also have similar modes of action. In this report we have correlated the cytotoxicity of combretastatins...
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Article
Molecular mechanisms of memory formation
Studies with neonate chicks, trained on a passive avoidance task, suggest that at least two shorter-term memory stages precede long-term, protein synthesis-dependent memory consolidation. Posttetanic neuronal ...
