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Chapter
**-** Wang
Life Sciences
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Chapter
Enzymes of Synthesis of Purine and Pyrimidine Nucleotides
The biosynthetie pathways of the nucleotides of purines and pyrimidmes have been recently elucidated and soundly established. Schemes of the pathways of these groups of compounds are shown in Figs. 1,2. Enzyme...
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Enzyme Processing Using Ultrafiltration Membranes
In the past several years there has been a continual increase in the use of ultrafiltration (UF) membranes for concentrating, separating, and purifying various dissolved solutes. The forecast in membrane separ...
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On the Coupling of Electron Transport to Phosphorylation
After a general thermodynamic discussion of the coupling of oxidation to phosphorylation, quantitative treatments of free energy transduction based upon the proton gradient model, the charged membrane model an...
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Evidence for Conformational Changes in Concanavalin A Upon Binding of Saccharides as Determined from Solvent Water Proton Magnetic Relaxation Rate Dispersion Measurements
In previous studies of the interaction of solvent water molecules with the Mn++ ion in Mn-Con A by observation of the dispersion of the spin-lattice relaxation rate (T) of the solvent water protons over a wide ra...
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Structure and Function of Concanavalin A
Lectins have been extensively used to analyze a variety of fundamental processes in cell biology. In conjuntion with our studies on the cell surface and mitosis, we have determined the amino acid sequence and ...
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Chemical Probes for the Geometry of Membrane Proteins
The position of the protein components of biological membranes both perpendicular to and in the plane of the permeability barrier has been the subject of much recent interest. The “sidedness” of the identifiab...
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Chapter and Conference Paper
Regeneration of Virus-free Potato from Tissue Culture
Shoot tip and internodal explants from healthy and potato virus X (PVX) infected potato stocks were cultured in vitro. The potential of calli initiation and their rate of growth prior to subculture were consid...
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New Microcarriers for the Large Scale Production of Anchorage-Dependent Mammalian Cells
One major limitation in the use of mammalian cells for the production of a product such as interferon is the technology for obtaining cells in sufficient quantity to meet the demands of the product’s usage. Fo...
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Some Aspects of DNA Strand Separation
Ever since the double helix structure was first proposed for DNA, the problem of strand separation during replication has attracted much attention. When I was asked by the organizers of this meeting to give a ...
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Structure and Catalytic Properties of Human DNA Polymerases α and β
In this paper we shall describe some of our recent studies on the structure and catalytic properties of DNA polymerases a and 8 (1) that we have purified from cultured human KB cells and from adult human liver...
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Effect of the Administration of an Ovulatory Dose of HCG on the Subcellular Distribution of Follicular Protein Kinase
Most protein hormones initate a biological response in their target cells by initially binding to a membrane-localized receptor, thereby activating adenylyl cyclase and raising intracellular levels of cAMP. Cu...
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Chapter and Conference Paper
The use of coenzymes in biochemical reactors
Coenzymes are classified according to their needs for regeneration in coenzyme requiring enzymatic reactions. The activities of various forms of immobilized NAD(H) are compared. different coenzyme regeneration...
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Structure of the Gene 5 DNA Binding Protein from Bacteriophage fd and its DNA Binding Cleft
The gene 5 product of bacteriophage fd is a small DNA binding protein of 9,800 daltons containing 87 amino acids (Alberts et al. 1972; Oey and Knippers 1972). Its primary physiological role is the stabilizatio...
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Chapter and Conference Paper
Analysis of tide and current meter data for model verification
Mathematical models are increasingly being used to describe the evolution of hydrodynamic field and/or water quality parameters in coastal waters. Irrespective of the specific features of a model, whether it b...
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Observation and Modeling of the Circulation in the Chesapeake Bay
In recent years, our understanding of circulation in the Chesapeake Bay has been greatly improved through long-term current meter measurement, and sophisticated numerical modeling. The circulation mainly consi...
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Chapter and Conference Paper
Regeneration of virus-free plants through in vitro culture
This article deals with the theories, methodology and practices of in vitro virus elimination. Viruses may be eradicated from infected stocks through meristem or callus cultures due to the low titre, or even abse...
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Chapter and Conference Paper
Effect of Long-Term Rice Cultivation on Some Properties of Soda Solonchaks at Qian Gorlos Irrigation Region of Jilin Province in China
The Qian Gorlos irrigation region is located at long. 124°10’-125°2’E and lat. 45°0’-45°8’N. The growth of rice on saline-alkali soils in this region has a very long history in China. This region is spread wid...
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Chapter and Conference Paper
A Report on the Saling-Sodic Soils of Baigezhuang and the Zinc Deficiency of Paddy Crop
Beigezhuang is located on Luanhe Delta of the Bohai Gulf, which belongs to the partly dry and partly wet monsoon belt. The parent materials of the soils are delta deposit and marine deposit, with a texture of ...
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Chapter and Conference Paper
On Zinc Deficiency of Paddy Soils
Zinc deficiency has been reported in tropical and temperate soils for many crops(1,2). In paddy soils, zinc deficiency has been reported in India(3),Philippines(4) and in other parts of Asia(3).
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Chapter and Conference Paper
Studies on the Preparation of Dried Inoculum of Blue-Green Algae and its Application in Paddy Field
The nitrogen-fixing blue-green algae (Anabane azotic) possesses the ability of fixing nitrogen and carbon. Certain amount of amino acids, polypetides and carbohydrates are excreted from metholic process during it...
