Objective To examine the qualitative and quantitative characteristics of frozen-thawed
spermatozoa recovered through the SpermPrep (ZBL, Inc., Lexington, KY) filtration method …

The effectiveness of the wash and swim-up (1 and 2 wash cycle), two layer Percoll gradient,
SpermPrep and underlay sperm preparation methods in removing seminal plasma from …

Three sperm-washing methods (direct layering without centrifugation, DL; ficoll entrapment,
F; and percoll gradient, P) were evaluated for sperm recovery and motility using computer …

The purpose of this study was to compare the morphology/morphometry and fertilizing
capacity of human spermatozoa recovered via swim‐up method, Percoll density gradient …

Objective To improve the quality of oligozoospermic and/or asthenozoospermic semen by
the SpermPrep (Fertility Technologies Inc., Natick, MA) semen filtration column. Design The …

A new sperm isolation technique was studied in conjunction with the short-term freeze
preservation of human spermatozoa. The isolation procedure yielded subpopulations of …

We compared the efficacy of various methods of processing cryopreserved-thawed samples
for the recovery of functionally adequate spermatozoa as assessed by the response to the …

Aim To compare the recovery rate of morphologically normal and chromatin condensed
spermatozoa from native semen samples using the SpermPrep filtration columns and …

Oligozoospermic and asthenozoospermic semen ejaculates, as well as cryopreserved
sperm samples prepared by the wash and swim‐up procedure often result in unsatisfactory …

A number of semen manipulative techniques are currently available to remove the
undesirable spermatozoa, debris and other factors and to increase sperm quality. The use of …