References
- Aitken RJ, Clarkson JS (1987): Cellular basis of defective sperm function and its association with the genesis of reactive oxygen species by human spermatozoa. J Reprod Fert 81:459-469 https://doi.org/10.1530/jrf.0.0810459
- Althouse GC, Lu KG (2005): Bacteriospermia in extended porcine semen. Theriogenology 63:573-584 https://doi.org/10.1016/j.theriogenology.2004.09.031
- Andersen CY, Grinsted J (1997): A new method for the purification of human motile spermatozoa applying density-gradient centrifugation: polysucrose media compared to Percoll media. J Assist Reprod Genet 14:624-628 https://doi.org/10.1023/A:1022545121367
- De Vos A, Nagy ZP, Van de Velde H, Joris H, Bocken G, Van Steirteghem A (1997): Percoll gradient centrifugation can be omitted in sperm preparation for intracytoplasmic sperm injection. Hum Reprod 12:1980-1984 https://doi.org/10.1093/humrep/12.9.1980
- Drobnis EZ, Zhong CQ, Overstreet JW (1991): Separation of cryopreserved human semen using Sephadex columns, washing, or Percoll gradients. J Androl 12(3):201-208
- Jaroudi KA, Carver-Ward JA, Hamilton CJ, Sieck UV, Sheth KV (1993): Percoll semen preparation enhances human oocyte fertilization in male-factor infertility as shown by a randomized cross-over study. Hum Reprod 8:1438-1442
- Lopata A, Patullo MJ, Chang A, James B (1976): A method for collecting motile spermatozoa from human semen. Fertil Steril 27:677-684
- Lopes S, Jurisicova A, Sun JG, Casper RF (1998): Reactive oxygen species: potential cause for DNA fragmentation in human spermatozoa. Hum Reprod 13:896-900 https://doi.org/10.1093/humrep/13.4.896
- Maxwell WMC, Johnsom LA (1997): Membrane status of boar spermatozoa after cooling or cryopreservation. Therogenology 48:209-219 https://doi.org/10.1016/S0093-691X(97)84068-X
- Mortimer D (2000): Sperm preparation methods. J Androl 21:357-366
- Nicholson CM, Abramsson L, Holm SE, Bjurulf E (2000): Bacterial contamination and sperm recovery after semen preparation by density gradient centrifugation using silane-coated silica particles at different g forces. Hum Reprod 15:662-666 https://doi.org/10.1093/humrep/15.3.662
- Ohashi K, Saji F, Wakimoto A, Kato M, Tsutsui T, Tamizawa O (1992:) Preparation of oligozoospermic and asthenozoospermic semen for intrauterine insemination using the SpermPrep semen filtration column. Fertil Steril 57:866-870
- Ollero M, Gil-Guzman E, Lopez MC, Sharma RK, Agarwal A, Larson K, et al (2001): Characterization of subsets of human spermatozoa at different stages of maturation: implications in the diagnosis and treatment of male infertility. Hum Reprod 16:1912- 1921 https://doi.org/10.1093/humrep/16.9.1912
- Ord T, Patrizio P, Marello E, Balmaceda JP, Asch RH (1990): Mini-Percoll: a new method of semen preparation for IVF in severe male factor infertility. Hum Reprod 5:987-989 https://doi.org/10.1093/oxfordjournals.humrep.a137233
- Park CK, Hong KH, Son SJ, Lee YS, Hahn TW (2008): Identification of bacterial contaminants in porcine semen and its removal. Korean J Vet Serv 31 (4):547-554
- Parrish JJ, Krogenaes A, Susko-Parrish JL (1995): Effect of bovine sperm separation by either swim- up or Percoll method on success of in vitro fertilization and early embryonic development. Theriogenology 44(6):859-869 https://doi.org/10.1016/0093-691X(95)00271-9
- Pertoft H, Laurent TC, Laas T, Kagedal L (1978): Density gradients prepared from colloidal silica particles coated by polyvinylpyrrolidone (Percoll). Anal Biochem 88:271-282 https://doi.org/10.1016/0003-2697(78)90419-0
- Sakkas D, Manicardi GC, Tomlinson M, Mandrioli M, Bizzaro D, Bianchi PG, et al (2000): The use of two density gradiant centrifugation techniques and the swim-up method to separate spermatozoa with chromatin and nuclear DNA anomalies. Hum Reprod 15:1112-1116 https://doi.org/10.1093/humrep/15.5.1112
- Sapienza F, Verheyen G, Tournaye H, Janssens R, Pletincx I, Derde M, Van Steirteghem A (1993): An auto-controlled study in in-vitro fertilization reveals the benefit of Percoll centrifugation to swim-up in the preparation of poor-quality semen. Hum Repord 8(11):1856-1862
- Scott L, Smith S (1997): Mouse in vitro fertilization, embryo development and viability, and human sperm motility in substances used for human sperm preparation ofr assisted reproduction. Fertil Steril 67:372-381 https://doi.org/10.1016/S0015-0282(97)81925-5
- Strehler E, Baccetti B, Sterzik K, Capitani S, Collodel G, De Santo M, et al. (1998): Detrimental effects of polyvinylpyrrolidone on the ultrastructure of spermatozoa. Hum Reprod 13:120-123 https://doi.org/10.1093/humrep/13.1.120
- Tohyama Y, Oshio S, Yotsukura M, Umeda T, Mohri H (1997): Percoll density gradients centrifugation can separate human X-bearing sperm. J Assist Reprod Genet 14:194s
- Wang WH, Abeydeera LR, Fraser LR, Niwa K (1995): Functional analysis using chlortetracycline fluorescence and in vitro fertilization of frozen thawed ejaculated boar spermatozoa incubated in protein-free chemically defined medium. J Reprod Fertil 104:305-313 https://doi.org/10.1530/jrf.0.1040305
- Watkins AM, Chan PJ, Patton WC, Jacobson JD, King A (1996): Sperm kinetics and morphology before and after fractionation on discontinuous Percoll gradient for sex preselection: computerized analyses. Arch Androl 37:1-5 https://doi.org/10.3109/01485019608988494