‘THE LENGTHY INCUBATION PERIOD and the subjective interpretation of degree of flocculation ai’e undesirable characteristics of the Hanger cephalin cholesterol flocculatiomi test (1). Several workers (2-4) have reported modifications either to shorten test time or to determine extent of flocculation mnstrumemitally. Inadequate sensitivity has been noted in some of these technics as well as inter...

All through the procedure of software engineering, software reliability investigation is expert at various stages as a try for the estimation of whether the software necessities have been experienced or not. Amid the underlying periods of software advancement, software reliability expectation methods were exceptionally testing. Various software reliability models have been advanced amid the ant...

IN PREVIOUS CO? -IMUNICATIONS’-3 the hematologic effects of the gene for an abnormal hemoglobin, since designated as hemoglobin C, were described in two combinations: A-C, an asymptomatic carrier state in which the hemoglobin consists of a mixture of A (normal adult type) hemoglobin amid C; secondly S-C, a variant of sickle cell disease in which sickle hemoglobin S is produced together with hem...

By D. L. RUCKNAGEL, E. B. PAGE AND W. N. JENSEN S TUDIES OF HEMOGLOBIN by the various technics of electrophoresis aud alkali denaturatiomi have resulted imi a strikimig development in the knowledge of abnormal hemoglobins amid in the hereditary hemolytic amieniias, some of them never previously recognized. During the course of the examination of the electrophoretic properties of the hemoglobimi...

By SAMUEL I. RAPAPORT, KNIJT AAS ANI) PAUL A. OWREN T HE DE1\IONSTRATION of the thromboplastin-hike activity of Russell viper venom by Macfarlane and Barnett’ was followed by its use in some laboratories as a substitute for brain thromboplastin in “prothrombin time” determinations. However, it gradually became apparemit that there were importamit differences between the ‘thromboplastic” activit...

IN THIS PA1 ER morphologic studies of the hone marrow in uiormal pregnancy and the puerperium are compared w’ith the bone marrow findings in normal nomi-pregnant women of childbearing age. These studies were initiated for the following reasons: 1. Previous studies have show-ui that there is an increase of the total circulating red cell volume and hemoglobin mass of about 20 % duiriuig pregnancy...

METHOD for the miieasureniemit of seiummmadenosiime deaminase activity was recently published in this ,Journal (1). This method requires 2 ml. of serum, suffers froni ammunnecessarily large number of manipulations, ahl(l utilizes aim unstable, relatively insensitive Nessler color reaction (2). Attempts to overcome these difficulties constitute the basis for this report. A catalyzed indopheimol ...

LTFI()UGII TI-IE PRESENCE of adenninue mnmn(-leotides inn the blood was (hes(-nih)ed as eamly as 1914, a(lequate (hunamntitative studies wene riot made until 1935 when Bunell’ devised a nnepholometn-ic methol. Sine established the fact that tine nnun(-leoti(ies n -ere pmesennt cx(-lusively in the cellunlan componemnt, that the len-el for annv onne individual n as comnstamnt over a pem-iod of sc...