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Article
A comparative study of the rat heart sarcolemmal Ca2+-dependent ATPase and myosin ATPase
In order to gain some information regarding Ca2+-dependent ATPase, the enzyme was purified from cardiac sarcolemma and its properties were compared with Ca2+-ATPase activity of myosin purified from rat heart. Bot...
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Article
A size-independent systolic array for matrix triangularization and eigenvalue computation
A fixed-size systolic array which can efficiently triangularize arbitrarily large matrices is presented. The array performs orthogonal triangularization by applying Givens' rotations in parallel. For matrices ...
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Article
Influence of “stress reversal” on rock resistivity during loading procedure
The properties of rock resitivity were studied under pressure, particularly with “stress reversal”, a procedure in which the pressure applied was increased and decreased.
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Article
Astatine-211 labelled proteins and their stability in vivo
An organic compound labelled by using radioastatine was conjugated to a protein.211At reacts with the diazo-compound of para-aminobenzoic acid to yield para-astatobenzoic acid, which is separated by ether extract...
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Article
Plant regeneration from protoplasts of Indica type rice and CMS rice
Cell suspensions were established from 12 rice genotypes including Indica type, Japonica type and cytoplasmic male sterile (cms) rice lines of both types. 133 green plants were regenerated from protoplasts iso...
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Article
Phosphorylation of aortic plasma membranes by protein kinase C
Incubation of plasma membranes isolated from bovine aorta with either 0.5 mM CaCl2 or with a phorbol ester (1 µM phorbol 12,13-dibutyrate) and phosphatidylserine in an EGTA-containing buffer resulted in the phosp...
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Article
Characterization of the purified rat heart plasma membrane Ca2+/Mg2+ ATPase
The purified Ca2+/Mgu2+ ATPase from rat heart plasma membrane was activated by Ca2+ and Mg2+ with Ka values of 1.47 mM and 2.51 mM, respectively; other divalent cations also activated the enzyme but to a lesser e...
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Article
Purification and composition of Ca2+/Mg2+ ATPase from rat heart plasma membrane
The Ca2+/Mg2+ ATPase, which is activated by millimolar concentrations of Ca2+ or Mg2+, was solubilized from rat heart plasma membrane by employing lysophosphatidylcholine, CHAPS, Nal, EDTA and Tris-HCI at pH 7.4....
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Article
Comparison of an endogenous protein kinase C substrate in rat aorta with rat brain MARCKS
We have compared the properties of a rat aorta-derived protein kinase C substrate (p75) with those of 80 kDa kinase C substrates from rat brain (MARCKS) and rabbit aorta (p80). Rat aortic p75 appeared to be cl...
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Article
Environmental changes in the eastern China during the Late Pleistocene
The environmental changes during the Late Pleistocene were more obvious in the eastern China than in other areas at the same latitude, which either between northern and southern, or between land and sea of the...
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Article
An economic analysis of wind erosion control in the inner Mongolia Plateau, China
This study investigates specific changes in farming practices aimed at reducing wind erosion from cropland in the inner Mongolia Plateau, China, and incorporates the value of dust reduction in downwind regions...
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Article
Geographic environment change and flood catastrophe in huaihe river basin during last 2000 years
During the last 2000 years, flood and waterlogging catastrophes took place quite frequently in the Huaihe River Basin. In the authors’ opinion, these natural calamities have a very close relation to the evolut...
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Article
A structural model of human capital and manufacturing sector change
The relationship between manufacturing job losses per capita, changes in manufacturing earnings per worker, and human capital investment is examined empirically at the level of nearly 3,000 U.S. counties over ...
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Article
Subzonal fertilization of mouse round spermatids
Mouse round spermatids were electrofused with homologous mature oocytes to examine the behaviour of their nuclei within the ooplasm and the abilities of development. A single spermatid was injected in the peri...
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Article
Applying bases for “double control” artificial breeding of giant panda in captivity
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Article
Subzonal insemination with primary spermatocytes in mouse
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Article
Reactions of tea polyphenol four constituents with hydroxyl radical: A pulse radiolytic study
Using the electron pulse radiolytic techniques, the reactions between hydroxyl radical and tea polyphenol four constituents epigallocatechin gallate (EGCG), epicatechin gallate (ECG), epigallocatechin (EGC) an...
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Article
Immunolocation of antisperm monoclonal antibody 6B10 and corresponding antigen
An antisperm monoclonal antibody 6B10 was produced by hybridoma technique of the isotype IgG. The monoclonal antibody was purified by means of ammonium sulfate precipitation and protein A-Sepharose C1-4B affin...
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Article
Antigen changes of monoclonal antibody MSH27 in process of post-testicular maturation (in mice)
An anti-mouse spermatozoon monoclonal antibody, MSH27, as well as its purified antigen, can block sperm-egg membrane fusion. As a candidate protein for sperm-egg membrane fusion, the sperm antigen was investig...
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Article
Biodiversity conservation in China: Legislation, Plans and Measures
China is one of the “megadiversity” countries with over 30,000 species of higher plants and 6347 species of vertebrates, including numerous endemic species and relict species. The vast territory, with its vari...
