An investigation of vitamin B12 deficiency in elderly inpatients in neurology department

A double-blind comparative study of vitamin B12 in the accessory treatment of depression;

Study on serum folic acid and vitamin B12 levels of patients with depression;

Methionine and Vitamin B12 Deficiency Induce Genome Instability in Human Lymphob-last Cell Line in Vitro;

Insulin and vitaminB12 injection were used for external application on ulcer wounds.

54, reduction peak of Vitamin B_(12)(VB_(12))was obtained by cyclic voltammetry.

The concentrations of Hcy,foliate and vitamin B_(12) were tested by means of fluorescence polarization immunoassay,plasma lipid was detected by enzymic method.

In the preservation of livestock semen,adding some vitamin B_(12),E or C in the diluted semen liquid has positive function to improve semen quality.

The traditional method to determine cyanocobalamin by HPLC cannot be used for rapid determination of vitamin B 12 in fermentation broth.

Objective To investigate the clinical importance and the relationship between the levels of plasma total homocysteine (Hcy), serum folic acid and vitamin B 12 , and the occurrence and development of ischemic leukoaraeosis (LA).

Lack of vitamin B 12 is mainly occurred secondarily to gastrointestinal operation,anemia as well as some medical diseases.