Results 161 to 170 of about 158,096 (183)
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Artificial Insemination with Husband'S Sperm (Aih): Techniques for Sperm Selection
Archives of Andrology, 1989Artificial insemination with husband's sperm (AIH) attempts to treat infertile couples by solving their particular infertility problems. This review is concerned with detailing and evaluating the experiences of different authors with AIH in infertile couples, types of insemination, and indications for insemination, with emphasis on techniques for sperm
M, Pardo, N, Bancells
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Effect of sperm storage and selection techniques on sperm parameters
Systems Biology in Reproductive Medicine, 2014Sperm cryopreservation preserves the fertility of cancer patients undergoing chemotherapy, ensures sperm are available at the time of oocyte retrieval in assisted reproductive technology (ART) procedures and avoids the need for repeated sperm extraction surgeries in azoospermic patients.
Rakesh, Sharma +3 more
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Polscope-Based Sperm Selection
2012In a time in which the severe male factor affects at least 50% of infertile couples and ICSI is becoming more and more necessary, refining the selection criteria that help identifying the fertilizing spermatozoon might substantially contribute to the establishment of a healthy pregnancy.
Luca Gianaroli +5 more
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An Ecology of Sperm: Sperm Diversification by Natural Selection
Annual Review of Ecology, Evolution, and Systematics, 2015Using basic ecological concepts, we introduce sperm ecology as a framework to study sperm cells. First, we describe environmental effects on sperm and conclude that evolutionary and ecological research should not neglect the overwhelming evidence presented here (both in external and internal fertilizers and in terrestrial and aquatic habitats) that ...
Klaus Reinhardt +2 more
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Sperm Selection Based on Electrostatic Charge
2012Charge is a fundamental property of all forms of matter that exhibit attraction or repulsion in the presence of another charged particle. This electrokinetic property occurs when the particles exhibiting a net negative or positive charge are subjected to an external electric field that exerts an electrostatic force between them. Sperm surface membranes
Luke, Simon +2 more
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Sperm Selection by Colloid Centrifugation
Colloid centrifugation has several uses within spermatology. It has traditionally been used as a biomimetic method to select the most robust, fertile spermatozoa from a sperm sample. However, any sub-population can be selected, or the spermatozoa can be separated from seminal plasma, by changing the density of the colloid used.openaire +2 more sources
XY Sperm Separation for Sex Selection
Urologic Clinics of North America, 1987At present, laboratory methods that can successfully differentiate X- from Y-bearing sperm do exist; namely, staining with quinacrine mustard and DNA flow cytometry. However, methods that can successfully and reproducibly separate X- from Y-bearing sperm with resultant functionally intact sperm have yet to be developed.
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[Sperm quality and selection].
Journal de gynecologie, obstetrique et biologie de la reproduction, 2008Selection of a live and morphologically normal spermatozoa is a fundamental stage in ICSI success because of its potential effects on early and late embryo development. In addition to the routine tests such as the spermogram and the spermocytogram, a number of tests have been developed for this purpose : the hyaluronic acid test, which measures the ...
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