BIOCHEMICAL STUDIES ON VITAMIN B12. VII
نویسندگان
چکیده
منابع مشابه
Some Biochemical and Electrophoretic Studies on Purified Prothrombin , Factor VII (
S TUDIES of the chemical nature of prothrombin have indicated a glycoprotein structure.2 Data obtained on purified bovine prothrombin have shown the reducing sugar content to be approximately 5 per cent, based on a reference standard of galactose and mannose.35 Laki et al.5 reported a value of 6.5 per cent in terms of glucose, and 1.6 to 1.7 per cent hexosamine. Alexander6 and colleagues observ...
متن کاملStudies on vitamin B12 production with Streptomyces olivaceus.
Manual of Recommended Water Sanitation Practice. Public Health Rpts., 58: 69. CALDWELL, E. L., AND PARR, L. W. 1933 Pump infections under normal conditions in controlled experimental fields. J. Am. Water Works Assoc. 25: 1107-1117. CALVERT, C. K. 1937 The streptococci test for pollution of water. J. Am. Water Works Assoc. 29i 683. CLEMESHA, W. W. 1912 The Bacteriology of Surface Waters in the T...
متن کاملStudies on the 57Co vitamin B12 plasma level absorption test.
Results of the (57)Co vitamin B(12) plasma level absorption test are described in 163 patients. The use of intramuscular carbachol with the test and the presence or absence of current vitamin B(12) therapy did not affect the test results. Injection of 1,000 mug of unlabelled vitamin B(12) during the test augmented plasma levels in patients with normal absorption but tests without this injection...
متن کاملAssociation of Biochemical B12 Deficiency With Metformin Therapy and Vitamin B12 Supplements
OBJECTIVE To describe the prevalence of biochemical B(12) deficiency in adults with type 2 diabetes taking metformin compared with those not taking metformin and those without diabetes, and explore whether this relationship is modified by vitamin B(12) supplements. RESEARCH DESIGN AND METHODS Analysis of data on U.S. adults ≥50 years of age with (n = 1,621) or without type 2 diabetes (n = 6,8...
متن کاملUpdate on vitamin B12 deficiency.
Vitamin B(12) (cobalamin) deficiency is a common cause of megaloblastic anemia, a variety of neuropsychiatric symptoms, and elevated serum homocysteine levels, especially in older persons. There are a number of risk factors for vitamin B(12) deficiency, including prolonged use of metformin and proton pump inhibitors. No major medical organizations, including the U.S. Preventive Services Task Fo...
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ژورنال
عنوان ژورنال: THE JOURNAL OF VITAMINOLOGY
سال: 1954
ISSN: 0022-5398
DOI: 10.5925/jnsv1954.1.39