نتایج جستجو برای: density gradient centrifugation method
تعداد نتایج: 2063404 فیلتر نتایج به سال:
Background: One of the factors limiting successful processing of alpaca (Vicugna pacos) semen is the viscosity of seminal plasma. The viscous nature of the collected ejaculate has hindered sperm cryopreservation as well as artificial insemination (AI) under field conditions. Aims: The objective of this investigation was to evaluate recovery, motility, ...
BACKGROUND The purpose of this study was to optimize the electrophoretic conditions that should be used for the effective isolation of functional human spermatozoa and to determine whether this method of isolating cells was associated with oxidative stress and DNA damage. METHODS Human spermatozoa were prepared by repeated centrifugation, discontinuous density gradient centrifugation and elec...
Chicken anaemia agent (CAA) was purified using differential centrifugation and successive cycles of equilibrium density gradient centrifugation using sucrose and CsCl. The purification method was dependent on the use of an antigen-detecting ELISA based on a CAA-specific monoclonal antibody. Virus particles banded at a density of 1.33 to 1.34 g/ml in CsCl and measured 23.5 +/- 0.8 nm in diameter...
Horzinek, Marian (Tierärztliche Hochschule, Hannover, West Germany). Characterization of hog cholera virus. I. Determination of buoyant density. J. Bacteriol. 92:1723-1726. 1966.-Hog cholera virus was subjected to cesium chloride density gradient centrifugation. Most of the infectious activity was detected in fractions with densities between 1.15 and 1.20 g/ml, with a peak at 1.16 g/ml. Infecti...
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