The water-soluble (B1, B2, B6, C, folic acid) and fat-soluble vitamin (A, carotene, E, and D) status of 36 patients with cystic fibrosis was assessed and compared with a control group of 21 age-matched normal children. Twenty-seven of the patients were receiving vitamin supplements (except folic acid and vitamin E) at the time of investigation. Vitamin B1, B2, and B6 status was adequate in all ...

BACKGROUND Vitamin D and its active metabolite, 1,25-dihydroxy vitamin D (1,25-(OH)2D3), play a significant role in reproduction. AIM To assess the effect of serum 25-hydroxy vitamin D level on oocyte quality and endometrial receptivity by studying oocyte donors and their recipients. MATERIALS AND METHODS This prospective study consisted of two groups: Group A (recipient group) and Group B ...

Thiamine hydrochloride (Vitamin-B1) has been utilized as an effective biodegradable catalyst for the one pot synthesis of polyhydroquinoline derivatives via four component reaction of dimedone, aldehyde, ethylacetoacetate and ammonium acetate in ethanol under mild conditions. The method presented here offers several advantages over reported procedures in terms of environmentally benign catalyti...

Peters and his associates (1) demonstrated that there is a reduced oxygen consumption of the brain of polyneuritic pigeons. Addition of minute amounts of crystalline vitamin B1 in vitro to the avitaminous brain tissue restores the diminished tissue respiration. O’Brien and Peters (2) observed that the brains of vitamin B1-deficient rats and pigeons alike produced pyruvate in vitro and that the ...

MEIKLEJOHN [1937] has described a method, based upon the work of Schopfer [1935], of estimating vitamin B1 in "small samples" (15 ml.) of blood. From his evidence he concludes "that the method... provides a quantitative estimate of the true vitamin B1 content of the blood". Since a clinical test for vitamin B1 in blood is badly needed, and since Meiklejohn's method is being used by several work...

Blood vitamin status (B1, B2 and B6) was assessed by erythrocytic enzyme activation tests in 7 male and 1 female chronic alcoholics (mean age (±s.d.), 43.12 (13-7) years; range, 25-64 years) on admission and 6 hr later on the same day after oral administration of a single dose of polyvitamin. Seven out of 8 patients were found to be deficient in vitamin B1, 5 in B6 and none in B2. But after sin...

Kromatografi pasangan ion dapat digunakan untuk meretensi senyawa yang memiliki muatan, bersifat polar dan memisahkan analit bervariasi kepolaran hidrofobisitasnya. Hal tidak dilakukan dengan mudah pada metode kromatografi fase balik biasa. Pemisahan kolom menggunakan menganalisa kadar Thiamine Mononitrat (Vitamin B1), Pyridoxine HCl B6) Cyanocobalamin B12) secara simultan. Validasi juga membuk...

B1 cells represent a distinct subset of B cells that produce most of the natural serum IgM and much of the gut IgA and function as an important component of early immune responses to pathogens. The development of B1 cells depends on the nuclear factor of activated T cells c1 (NFATc1), a transcription factor abundantly expressed by B1 cells but not by conventional B2 cells. However, the factors ...

Harris and Leong (1), in 1936, suggested that the state of vitamin B1 deficiency in man could be detected by measurement of the amount of the vitamin excreted in the urine in the twenty-fourhour period following a single oral test dose of 900 micrograms of thiamine chloride, and since then many other procedures have been suggested for the detection of vitamin B1 deficiency by means of a test do...