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Showing 13 to 24 of 244 entries
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On-line preconcentration and determination of cobalt by chelating microcolumns and flow injection atomic spectrometry.

Talanta

Haji Shabani AM, Dadfarnia S, Dehghan K.
PMID: 18968960
Talanta. 2003 Mar 10;59(4):719-25. doi: 10.1016/S0039-9140(02)00609-4.

A simple and sensitive flow injection analysis-atomic absorption spectrometric procedure is described for the determination of cobalt. The method is based upon on-line preconcentration of cobalt on a microcolumn of 2-nitroso-1-naphthol immobilized on surfactant coated alumina. The trapped cobalt...

Metabolic outcomes of gastric bypass.

Nutrition in clinical practice : official publication of the American Society for Parenteral and Enteral Nutrition

Collene AL, Hertzler S.
PMID: 16215031
Nutr Clin Pract. 2003 Apr;18(2):136-40. doi: 10.1177/0115426503018002136.

Gastric bypass surgery may be the most successful treatment for morbid obesity. However, postoperative patients are susceptible to deficiencies of several nutrients, including iron, vitamin B(12), and folate. Careful monitoring and supplementation are recommended to prevent negative outcomes of...

A comparison of commercial kit methods for assay of vitamin b(12) in ruminant blood.

Veterinary clinical pathology

Schultz WJ.
PMID: 15221695
Vet Clin Pathol. 1987;16(4):102-6. doi: 10.1111/j.1939-165x.1987.tb00476.x.

Five commercially available radioisotope dilution (RID) kits for assay of Vitamin B(12) were obtained for evaluation with ovine and bovine serum; also, for comparison with our laboratory's (Lab 1) RID method and the methods of two independent laboratories, one...

Evidence for the Synthesis of Vitamin B(12) by Spontaneous Tumors.

Proceedings of the National Academy of Sciences of the United States of America

Woolley DW.
PMID: 16589237
Proc Natl Acad Sci U S A. 1953 Jan;39(1):6-18. doi: 10.1073/pnas.39.1.6.

No abstract available.

Absence of an intracellular cobalamin-binding protein in cultured fibroblasts from patients with defective synthesis of 5'-deoxyadenosylcobalamin and methylcobalamin.

Proceedings of the National Academy of Sciences of the United States of America

Rosenberg LE, Patel L, Lilljeqvist AC.
PMID: 16592285
Proc Natl Acad Sci U S A. 1975 Nov;72(11):4617-21. doi: 10.1073/pnas.72.11.4617.

Three distinct classes of human mutations (cbl A, cbl B, and cbl C) cause defective synthesis of cobalamin (Cbl; vitamin B(12)) coenzymes. Cultured fibroblasts from that unique class (cbl C) deficient in the synthesis of both Cbl coenzymes, 5'-deoxyadenosylcobalamin...

pi cation radicals of ferrous and free base isobacteriochlorins: Models for siroheme and sirohydrochlorin.

Proceedings of the National Academy of Sciences of the United States of America

Chang CK, Hanson LK, Richardson PF, Young R, Fajer J.
PMID: 16593010
Proc Natl Acad Sci U S A. 1981 May;78(5):2652-6. doi: 10.1073/pnas.78.5.2652.

Theoretical and experimental optical, redox, and paramagnetic results are presented for models of siroheme, the iron isobacteriochlorin prosthetic group of nitrite and sulfite reductases, and of sirohydrochlorin, the metal-free siroheme that is an intermediate in the biosynthetic pathway to...

Pseudomonas aeruginosa porphobilinogen synthase assembly state regulators: hit discovery and initial SAR studies.

ARKIVOC : free online journal of organic chemistry

Reitz AB, Ramirez UD, Stith L, Du Y, Smith GR, Jaffe EK.
PMID: 21643541
ARKIVOC. 2010 Jun;2010:175-188.

Porphobilinogen synthase (PBGS) catalyzes the first common step in the biosynthesis of the essential heme, chlorophyll and vitamin B(12) heme pigments. PBGS activity is regulated by assembly state, with certain oligomers exhibiting biological activity and others either partially or...

Effect of zinc supplementation on serum homocysteine in type 2 diabetic patients with microalbuminuria.

The review of diabetic studies : RDS

Heidarian E, Amini M, Parham M, Aminorroaya A.
PMID: 19557297
Rev Diabet Stud. 2009;6(1):64-70. doi: 10.1900/RDS.2009.6.64. Epub 2009 May 10.

OBJECTIVES: Elevated homocysteine levels are considered to be an independent risk factor for cardiovascular complications in diabetic patients. The aim of this study was to find out if zinc supplementation improves homocysteine levels, which may exert vascular-protective effects in...

Vitamin b(12) for hypoglycemia.

The Western journal of medicine

[No authors listed]
PMID: 18747880
West J Med. 1977 Jan;126(1):84.

No abstract available.

Pancreatic insufficiency and the role of vitamin b(12) injections.

The Western journal of medicine

Kowlessar OD.
PMID: 18747782
West J Med. 1976 Sep;125(3):211.

No abstract available.

Serum Vitamin B(12) Content as an Index of Hepatic Damage.

Canadian Medical Association journal

Grobin W.
PMID: 20326055
Can Med Assoc J. 1959 Dec 01;81(11):935-6.

No abstract available.

Idiopathic Hypoparathyroidism with Impaired Vitamin B(12) Absorption.

Canadian Medical Association journal

Hart GD.
PMID: 20327256
Can Med Assoc J. 1962 Sep 29;87(13):721.

No abstract available.

Showing 13 to 24 of 244 entries