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Alan Osborne Trounson (1946– )
By: Whitney Alexandra Tuoti
| Published: Aug 01, 2024
Alan Osborne Trounson is a scientist from Australia who studies embryology and stem cells. His research has improved the success rates of in vitro…
Fertilization in VitroFertilizations in VitroIn vitro fertilizationTest-Tube FertilizationIn Vitro Techniques
Stanley Paul Leibo (1937–2014)
By: Risa Aria Schnebly
| Published: Feb 05, 2021
Stanley Paul Leibo studied the cryopreservation of embryos in the US in the twentieth century. Cryopreservation is a method of preserving biological…
Low temperature engineeringCryonicsScience and civilizationEmbryo transplantationCryotherapy
“Survival of Mouse Embryos Frozen to -196 ° and -269 °C” (1972), by David Whittingham, Stanley Leibo, and Peter Mazur
By: Risa Aria Schnebly
| Published: Oct 01, 2020
In 1972, David Whittingham, Stanley Leibo, and Peter Mazur published the paper, “Survival of Mouse Embryos Frozen to -196 ° and -269 °C,” hereafter…
LiteratureCultures (Biology)--CryopreservationCells--CryopreservationMolecular weightsCryobiology
“Human Pregnancy Following Cryopreservation, Thawing and Transfer of an Eight-Cell Embryo” (1983), by Alan Trounson and Linda Mohr
By: Whitney Alexandra Tuoti, Devangana Shah
| Published: Jul 10, 2024
In 1983, researchers Alan Trounson and Linda Mohr published the article “Human Pregnancy Following Cryopreservation, Thawing and Transfer of an Eight…
CryopreservationFertilization in VitroInfertilityFertility PreservationCryoprotective Agent
Peter Mazur (1928–2015)
By: Risa Aria Schnebly
| Published: Oct 13, 2020
Peter Mazur was a researcher in the US who developed new ways of preserving biological material by freezing it, a process called cryopreservation. If…
Religion and science--HistoryMolecular weightsCryobiologyFreezingFrozen liquids
Ernest John Christopher Polge (1926-2006)
By: Bailey Renee
| Published: Jan 30, 2018
Twentieth-century researcher Ernest John Christopher Polge studied the reproductive processes of livestock and determined a method to successfully…
Smith, Audrey U.Parkes, A. S. (Alan Sterling), 1900-1990National Institute for Medical Research (Great Britain)Medical Research Council (Great Britain)Glycerin
Litowitz v. Litowitz (2002)
By: Mark Zhang, Jennifer E. Chapman
| Published: Dec 02, 2013
In a dispute over the allocation of cryopreserved preembryos, the Supreme Court of Washington resolved the case of David J. Litowitz v. Becky M.…
LawFrozen human embryosFertilization in VitroEmbryosPregnancy
Christopher Polge and Lionel Edward Aston Rowson’s Experiments on the Freezing of Bull Spermatozoa (1950–1952)
By: Bailey Renee
| Published: Dec 19, 2017
In 1952, researchers Christopher Polge and Lionel Edward Aston Rowson, who worked at the Animal Research Center in Cambridge, England, detailed…
GlycerinCryopreservationSpermatozoaMicroorganisms--CryopreservationExperiments
Jeter v. Mayo (2005)
By: Jennifer E. Chapman
| Published: Oct 22, 2016
In Jeter v. Mayo, the Court of Appeals of Arizona in 2005 held that a cryopreserved, three-day-old pre-embryo is not a person for purposes of Arizona…
LawCryopreservationEmbryo transplantationFrozen human embryosFertilization in Vitro