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Biomedical subjects

B Warren

Publications and source records attributed to B Warren.

At least 55 records · Page 3Linked to original sources

Forum sparks creative energy.

Human support committee provides a forum where staff, patients, and administration can become involved in the planning, implementation, and evaluation of patient services.

British Columbia↗

A new rapid differentiating solubility test for hemoglobin S.

A new test for sickling hemoglobin, SickleQuikTM, has been developed which has definitive advantages over existing turbidity tests. This test utilizes a biphasic liquid reagent system provided in individualized, ready-to-use reaction tubes which are stable at room temperature. The test differentiates homozygous from heterozygous S samples in less than eight minutes. Results are based on the color of a layer formed at the organic-aqueous interface and the color of the lower aqueous phase. Of more than 900 samples tested in independent laboratories, no false positive or false negative results occurred.

Anemia, Sickle Cell↗

Characterization of the renin-antirenin system.

Rabbit antibody capable of neutralizing the pressor activity of the enzyme renin, derived from hog kidneys, was characterized with respect to type and capacity to react serologically. Three antirenin antibodies were detected, both a precipitating and nonprecipitating, neutralizing antibody as well as a neutralizing antibody capable of being absorbed by inactivated renin. The precipitating, neutralizing antibody was purified and used successfully in an assay for hog renin by means of a hemagglutination inhibition test. By immunofluorescent methods utilizing the purified antiserum, renin was found to be localized in the macula densa of the distal convoluted tubules and the juxtaglomerular cells of the afferent arteriole in both hog and dog kidneys.

Animals↗