[Studies on polymorphism in the beta-globin gene cluster in the Chinese I. Polymorphic restriction endonuclease hinc II site 5' to epsilon-globin gene].
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China↗
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Results for “polymorphisms”
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Erythrocyte S-formylglutathione hydrolase polymorphism in Japanese and the relation to erythrocyte esterase D polymorphism.
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Asian People↗
[New serum protein polymorphisms due to enzymatic treatment of human serum. I. On a polymorphism of a human beta globulin].
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Beta-Globulins↗
Role of polymorphism in the changes of the adaptive reaction in domestic animals. II. Polymorphism of the specificity of the regulation of functions and its role in the ecological differentiation of the adaptive reaction.
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Adaptation, Physiological↗
Placental alkaline phosphatase and ABO system polymorphisms: analysis of relationships among gene frequencies in human populations. Further evidence at the population level for an interaction between the two polymorphisms.
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ABO Blood-Group System↗
[New serum protein polymorphisms by enzyme treatment of human serum. II. On the polymorphism of human alpha 1-and beta-lipoproteins].
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Blood↗
Dw/LD associated molecular polymorphism of DR4 beta-chains: intramolecular localization of polymorphic sites.
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Amino Acid Sequence↗
[Studies on polymorphisms of blood proteins in Chinese populations. II. Study on polymorphism of serum transferrin in Chinese (author's transl)].
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Asian People↗
Polymorphism and drug availability. II. Dissolution rate behavior of the polymorphic forms of sulfathiazole and methylprednisolone.
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1-Propanol↗
[Thermal studies on polymorphism of phospholipids. I. Polymorphism of lecithin-water mixtures (author's transl)].
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Chemical Phenomena↗
[Thermal studies on polymorphisms of phospholipids. II. Polymorphism of L-dipalmitoyl phosphatidylethanolamine-water mixtures (author's transl)].
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Crystallization↗
[The polymorphism of drugs in powders and tablets. 1. The preparation and characterization of polymorphic modifications of phenobarbital].
The characterisation of three phenobarbital modifications by thermic examination procedures (DSC, DTA) is being described. Modification I was obtained by thermic treatment of the brands (modification II) from Hungary and the GDR. The spray product prepared, consisting of very fine hollow spheres, was identified as modification III. Besides the particle size distribution the form of the particle was determined by scanning electron microscopy (REM). The best results regarding saturation solubility and speed of dissolution were found for the spray product.
Chemistry, Pharmaceutical↗
[The polymorphism of drugs in powders and tablets. 4. The effect of the polymorphism of drugs on the physical properties and drug release of phenobarbital tablets].
Four products of phenobarbital (I, II1, II2, III) are manufactured into tablets with the dry binders Avicel PH 101 or Heweten 40 using different pressures by direct tabletting. The physical properties of the resulting tablets are different according to the modification of phenobarbital, the binders used and the pressure during tabletting. The dissolution behaviour of the drug may be changed by the different technological and physical parameters.
Chemical Phenomena↗
[The polymorphism of drugs in powders and tablets. 5. Preparation and characterization of polymorphic forms of tolbutamide].
The preparation of 4 modifications and 2 spray dried products of tolbutamid is described. The characterization is performed by thermoanalytical methods (thermomicroscopy, DSC). Scanning electron microscopy and investigations of solubility complete the results.
Kinetics↗
[Polymorphism of drugs in powders and tablets. 6. X-ray diffractometric studies of polymorphic modifications of tolbutamide].
The modifications and spray dried products of tolbutamide published in a former article, are investigated furthermore by X-Ray diffraction. The indication of the reflexes in X-Ray diffraction patterns of 2 modifications is performed. Transformations of modification are provable in consequence of thermal stress.
Crystallization↗
[The polymorphism of drugs in powders and tablets. 2. X-ray diffraction studies of polymorphic modifications of phenobarbital].
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Phenobarbital↗
[Polymorphism of progesterone. I. Preparation and characterization of polymorphic forms].
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Calorimetry↗
[Chloramphenicol palmitate: identification and determination of polymorph A in active polymorph B by explorative differential calorimetry].
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Calorimetry↗