Results 241 to 250 of about 5,635,761 (291)

Bicarbonate buffer enhances functional sperm selection compared to Zwitterionic buffers in sperm preparation. [PDF]

Sci Rep
Meitei HY, Predheepan D, Uppangala S, R VL, Kalthur G, Schlatt S, Adiga SK.   +6 more
europepmc   +1 more source

Chromatography-Free Analysis of Mixtures Using a Two-Dimensional Mass Spectrometry (2DMS)-Enabled Quadrupole Time-of-Flight (QToF) Analyzer. [PDF]

Anal Chem
Wright S, Cassidy N, Colburn A, O' Connor PB.   +3 more
europepmc   +1 more source

Behavioral algorithms of ontogenetic switching in larval and juvenile zebrafish phototaxis. [PDF]

iScience
Capelle MQ, Slangewal K, Eleftheriadis PE, Bahl A.   +3 more
europepmc   +1 more source

A three-week mindfulness intervention on mental skills, internal-load regulation, and performance in youth swimmers: a randomized controlled trial. [PDF]

Sci Rep
Sifi MA, Marzouki H, Selmi O, Sdira B, Cherni B, Hagan JE, Alexe DI, Băltean AI, Geantă VA, Douzi W, Bouassida A.   +10 more
europepmc   +1 more source

Evaluating the Economic Impact of Learn-to-Swim Programmes: A Cost-Benefit Analysis of the First Lap Voucher Programme in Australia. [PDF]

Health Promot J Austr
Wang S, Macniven R, Peden A, Angell B.
europepmc   +1 more source

Failure of multitube sperm swim-up for sex preselection

Fertility and Sterility, 1997
To use double-label fluorescence in situ hybridization to evaluate a modified swim-up procedure that is purported to be effective for preconceptual sex selection.Controlled, blinded study.University hospital laboratories.Donor males reporting for routine semen analysis.Percentages of X- and Y-bearing spermatozoa in neat semen and in two swim-up ...
De Jonge, Christopher J., Flaherty, Sean P., Barnes, Annette M., Swann, Nicholas J., Matthews, Colin D.   +4 more
openaire   +4 more sources

ULTRASTRUCTURAL AND DNA FRAGMENTATION ANALYSES IN SWIM-UP SELECTED HUMAN SPERM

Archives of Andrology, 2006
Seventeen sperm samples were evaluated by transmission electron microscopy (TEM) before and after swim-up separation. DNA-fragmentation was tested by terminal d-UTP nick end labeling (TUNEL) in unselected and selected semen samples, and the results were analyzed in relation to sperm ultrastructural characteristics detected by TEM.
Piomboni, Paola, Bruni, E., Capitani, Serena, Gambera, Laura, Moretti, Elena, LA MARCA, Antonio, DE LEO, Vincenzo, Baccetti, Baccio   +7 more
openaire   +5 more sources

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Simultaneous swim-up/swim-down of sperm in assisted reproduction procedures

Journal of Assisted Reproduction and Genetics, 1993
High-quality motile human spermatozoa were obtained following treatment of semen by simultaneous swim-up into medium and swim-down into an isotonic 40% Percoll solution.This procedure was significantly better than the swim-up method and comparable to discontinuous Percoll gradient centrifugation. Recovery rates of motile sperm were 35% for swim-up, 65%
M Almagor, Haim Yaffe, H Yaffe
exaly   +3 more sources

Influence of swim-up time on the ratio of X- and Y-bearing spermatozoa

European Journal of Obstetrics, Gynecology and Reproductive Biology, 2006
The objective was to examine the separation of X- and Y-bearing spermatozoa in a modified swim-up procedure using fluorescent in situ hybridization (FISH), and to find out the influence of swim-up time on the ratio of X- and Y-bearing spermatozoa.Prospective study.Reproductive testing laboratory in a university hospital.Normal spermatozoa samples were ...
Junhao Yan, Huai L Feng, Zi-Jiang Chen
exaly   +3 more sources

Factors affecting sperm yield during swim-up

Journal of Assisted Reproduction and Genetics, 1993
The migration of sperm (expressed as the percentage of the total motile cells in the ejaculate aliquot) from seminal plasma into overlying medium (swim-up) was increased with time, temperature, and increasing the surface area of contact between the two phases by increasing the angle of tube inclination.The proportion of sperm migrating into the medium ...
K, Purvis, I, Egdetveit
openaire   +2 more sources