Extraordinarily low density of hepatitis C virus estimated by sucrose density gradient centrifugation and the polymerase chain reaction

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Extraordinarily low density of hepatitis C virus estimated by sucrose density gradient centrifugation and the polymerase chain reaction.

The genomic RNA of hepatitis C virus (HCV) in the plasma of volunteer blood donors was detected by using the polymerase chain reaction in a fraction of density 1.08 g/ml from sucrose density gradient equilibrium centrifugation. When the fraction was treated with the detergent NP40 and recentrifuged in sucrose, the HCV RNA banded at 1.25 g/ml. Assuming that NP40 removed a lipid-rich surface coat...

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Density gradient centrifugation of rubella virus.

Rubella virus was centrifuged in sucrose density gradients. One of two densities could be ascribed to the virus, depending upon the suspending medium used. The virus was found at a density of 1.16 g/cm(3) after centrifugation for 18 hr in sucrose gradients prepared in distilled water. By contrast, when the sucrose gradients were prepared in tris(hydroxymethyl)aminomethane (Tris)buffer containin...

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Density gradient centrifugation studies on rabies virus.

Neurath, A. Robert (The Wistar Institute, Philadelphia, Pa.), Tadeusz J. Wiktor, and Hilary Koprowski. Density gradient centrifugation studies on rabies virus. J. Bacteriol. 92:102-106. 1966.-Cesium chloride density gradient centrifugation of rabies virus revealed a heterogeneous population of infectious virus particles, the majority of which showed a density of 1.20 g/ml. From results obtained...

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Solid-phase radioimmunoassay of rubella virus immunoglobulin M antibodies: comparison with sucrose density gradient centrifugation test.

The solid-phase radioimmunoassay (RIA) method developed in our laboratory for demonstrating rubella virus-specific immunoglobulin G (IgG) antibodies (Kalimo et al., 1976) was further developed for demonstrating IgM antibodies. A total of 188 serum specimens were tested. The statistical probability of obtaining a false-positive IgM result, based on determinations of 100 rubella-negative sera, wa...

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ژورنال

عنوان ژورنال: Journal of General Virology

سال: 1992

ISSN: 0022-1317,1465-2099

DOI: 10.1099/0022-1317-73-3-715