996 Result(s)
within
**u Duan
Biochemistry, general
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Article
Genetic variations in the hybrids of rice (Oryza sativa) and sorghum (Sorghum vulgare)
Some of results from morphological and cytological observations and esterase-isozyme studies of a rice-sorghum hybrid are presented in this paper. There is a great diversity of morphological characters and som...
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Chapter and Conference Paper
Reactions in the Presence of Cyclodextrins
The bromination of toluene and the oxidation of α-pinene were studied in presence of cyclodextrins. The bromination reaction has been carried out in acetic acid of different concentrations at different tempera...
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Chapter and Conference Paper
The Selenium and Phospholipid (Phosphatidylcholine) Deficiency and Low Temperature of Environment May be the Pathogenetic Basis of Kaschin-Beck Disease
Kaschin-Beck disease (KBD), an endemic, deforming osteoarthropathy, which occurs in remote and secluded places among the mountainous areas of China and in the eastern part of the Soviet Union, seriously impair...
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Article
Increase in pancreatic lipase and trypsin activity and their mRNA levels in streptozotocin-induced diabetic rats
The pancreatic lipase and trypsin activities in streptozotocin-induced diabetic rats were determined as well as the relative levels of mRNA coding for these proteins. It was found that after development of dia.....
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Article
Acute effects of hypoxia and phosphate on two populations of heart mitochondria
Initial Polytron treatment with subsequent exposure to the bacterial proteinase Nagarse has been shown to result in the isolation of two distinct populations of cardiac mitochondria, subsarcolemmal and interfi...
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Article
Lymphocytes can produce respiratory burst and oxygen radicals as polymorphonuclear leukocytes
The respiratory burst and production of oxygen radicals by lymphocytes stimulated with phorbol myristate acetate (PMA) was studied and compared with that of polymorphonuclear leukocytes (PMN) by electron param...
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Chapter
Aplysia Californica Contains A Novel 12-Lipoxygenase which Generates Biologically Active Products From Arachidonic Acid
Physiologic stimulation of identified neurons in ganglia of the marine mollusk, Aplysia californica,leads to the generation of arachidonic acid metabolites. Using various preparations of Aplysianervous tissue, we...
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Chapter
Contractile and Electrophysiologic Effects of Realkalization in Cardiac Tissues: Role of Na/H Exchange and Increased [CA]i
The effects of lactate acidosis followed by realkalization were studied in fast and slow response ventricular tissues and isolated cardiac myocytes. Both electrophysiological and contractile responses were alt...
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Article
Anomeric preference of glucose utilization in rat erythrocytes
The β-anomer of glucose relative to the α-anomer was more rapidly metabolized into lactate by rat erythrocytes at 37° C (β/α ratio = ca. 1.3): the amounts of α- and β-D-glucose metabolized into lactate during ...
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Article
Glomerular extracellular matrices and anionic sites in aging ddY mice: a morphometric study
A morphometric study was undertaken to examine age-related changes in glomerular ultrastructure and anionic sites in ddY male mice at various ages. A progressive increase in glomerular extracellular matrices, ...
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Article
Study on microwave induced plasma atomic absorption spectrometry (MIP-AAS) for the determination of calcium in axial viewing mode
A low-power surface-wave plasma device (surfatron) is employed as an atomizer for microwave induced plasma atomic absorption spectrometry (MIP-AAS) and a desolvation-condensation apparatus has been used to rem...
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Article
Effects of polar additives on the enzyme enantioselectivity of an esterification reaction in organic solvents
The enantioselectivity ofcandida cylindracea lipase in esterification between ibuprofen and 1-butanol in organic solvents is influenced by adding a small amount of polar solvents. The results show that both the s...
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Article
Reaction mechanism of isomaltooligosaccharides synthesis by α-glucosidase fromAspergillus carbonarious
An α-glucosidase fromAspergillus carbonarious CCRC 30414 was employed for investigating the enzymatic synthesis of isomaltooligosaccharides from maltose. The enzyme transferred a glucose unit from the nonreducing...
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Article
Marine organisms attached to seaweed surfaces in Jiaozhou Bay, China
Scanning electron microscopy of the surfaces of the seaweeds Laminaria japonica, haploid Porphyra yezoensis, Ulva pertusa and the diploid conchocelis of P. yezoensis and P. haitanensis revealed Vibrio and Microco...
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Article
Influence of cisapride on gastric emptying of solids and liquids monitored by13C breath tests
[13C]Acetate and [13C]octanoate breath tests were used to analyze the gastric emptying of liquids and solids in healthy controls and patients with functional dyspepsia both with and without cisapride. A standard ...
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Article
Pressure peaking in pulsatile flow through arterial tree structures
An analytical iterative scheme is presented for computing the local characteristics of pressure and flow waves as they progress along a tree structure and become modified by wave reflections. Results are obtai...
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Article
Distribution of alkaline sphingomyelinase activity in human beings and animals
The alkaline sphingomyelinase (SMase) was first found in rat intestinal brush border. The important roles of this enzyme in digestion of sphingomyelin and in mucosal cell proliferation have been suggested. In ...
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Article
Kinetic study of enantioselective esterification of ketoprofen with n-propanol catalysed by an lipase in an organic medium
A kinetic study of an immobilised lipase esterification reaction in dipropyl ether for resolution of ketoprofen indicated a Bi Bi ** Pong mechanism with dead-end inhibition of the alcohol was occurring for b...
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Article
Effects of Ursodeoxycholate and Other Bile Salts on Levels of Rat Intestinal Alkaline Sphingomyelinase (A Potential Implication in Tumorigenesis)
Previous studies showed that bile salts had apromoting effect on colon cancer development and thiseffect was inhibited by ursodeoxycholate (UDC). Werecently found that both human colorectal adenomas and carcin...
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Article
Generation of carbohydrate-deficient transferrin by enzymatic deglycosylation of human transferrin
Carbohydrate-deficient transferrin (CDT) molecules are transferrin isoforms that lack one or both of the carbohydrate groups attached to a normal human transferrin molecule. CDT has been reported to be a sensi...
