Commonly obtained clear plasma or serum samples contain small amounts of hemoglobin derived from either naturally occurring processes or from collection trauma. Using the recently evaluated, highly specific, sensitive, quantitative procedure of first derivative spectroscopy, the hemoglobin concentration in nine types of vacuum collection containers was measured, including three types of anticoa...

For 7 months, serum samples reflecting high, normal, and low physiologic values were distributed to five laboratories for sodium, potassium, and calcium analyses. Following recalibration of instruments and required repairs, quality control programs were initiated and additional serum samples were analyzed. The results were collected and statistics calculated to determine improvement, if any, in...

this study was aimed at the evaluation of the influence of storage under various conditions on the relative concentrations of major protein fractions and their proportion in bovine serum. blood samples were taken from six dairy cattle of a low-land black spotted breed and its crossbreeds. the separated blood serum was fractioned into aliquots. one aliquot was analysed immediately after the sepa...

introduction: vitamin d deficiency is still a common serious health problem among women of reproductive age and their infants in developing countries at the outset of the third millennium. information on vitamin d status of urban lactating women in islam abad gharb is not available, but it seems that, as in other physiologic groups in other areas of iran, vitamin d deficiency may be common ther...

“broussonetia papyrifera” (chinese mulberry) pollen is an important source of allergens in regions surrounding shanghai, china. to identify and purify major allergens from “b. papyrifera” pollen that reacted with serum antibodies from sensitized patients, “b. papyrifera” pollen was defatted, dried, and extracted proteins were separated using sp cationic exchange or q anionic exchange columns. s...