Results 31 to 40 of about 61,288 (280)

Freeze/thaw stress induces organelle remodeling and membrane recycling in cryopreserved human mature oocytes [PDF]

open access: yes, 2016
Purpose: Our aim was to evaluate the ultrastructure of human metaphase II oocytes subjected to slow freezing and fixed after thawing at different intervals during post-thaw rehydration.
Albani, E.   +8 more
core   +1 more source

Vitrification in a 2D Ising model with mobile bonds [PDF]

open access: yes, 2001
A bond-disordered two-dimensional Ising model is used to simulate Kauzmann's mechanism of vitrification in liquids, by a Glauber Monte Carlo simulation.
Lazic, Predrag, Sunko, D. K.
core   +4 more sources

The Effect of Vitrification on Follicular Morphology of Ovarian Rat [PDF]

open access: yesJournal of Advanced Biomedical Sciences, 2015
Background & Objective: Some efforts have been made for keeping cryopreservation of gametes and embryos safe, including new vitrification methods of the ovary.
Foroozan Esmaeilzadeh   +4 more
doaj   +2 more sources

An efficient, economical slow-freezing method for large-scale human embryonic stem cell banking [PDF]

open access: yes, 2012
Human embryonic stem cells (hESCs) are one of the most interesting cell types for tissue engineering, cell therapy, basic scientific research, and drug screening. Fast advancement in these areas requires the availability of large amounts of safe and well-
Cornelissen, Maria   +3 more
core   +2 more sources

Fast Cryopreservation of the Mammalian Embryos in Different Developmental Stages by 0.25 mL Straws Vitrification with One Equilibration Step

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The aim of our study was to test the cryoprotective proprieties of 7 vitrification media, designed in our laboratory, using the 0.25 mL straws vitrification method, with one equilibration step.
Ada Cean   +2 more
doaj  

Effect of vitrification techniques on post-thaw survivability and in vitro maturation of immature bovine oocytes

open access: yesIndian Journal of Animal Sciences, 2016
The present study was conducted to evaluate the effectiveness of single-step and two-step vitrification techniques on post-thaw survivability and subsequent in vitro maturation of immature bovine oocytes.
B SAIKIA   +6 more
doaj   +1 more source

DNA damage in cumulus cells generated after the vitrification of in vitro matured porcine oocytes and its impact on fertilization and embryo development

open access: yesPorcine Health Management, 2021
Background The evaluation of the DNA damage generated in cumulus cells after mature cumulus-oocyte complexes vitrification can be considered as an indicator of oocyte quality since these cells play important roles in oocyte developmental competence ...
Alma López   +9 more
doaj   +1 more source

Surface modification of an Al2O3/SiO2 based ceramic treated with CO2, Nd:YAG, excimer and high power diode lasers for altered wettability characteristics [PDF]

open access: yes, 1998
Interaction of CO2, Nd:YAG, excimer and high power diode laser (HPDL) radiation with the surface of an Al2O3/SiO2 based ceramic was found to affect significant changes in the wettability characteristics of the material.
Lawrence, Jonathan   +2 more
core   +1 more source

Vitrification of Human Germinal Vesicle Oocytes: before or after In Vitro Maturation? [PDF]

open access: yesInternational Journal of Fertility and Sterility, 2017
Background The use of immature oocytes derived from stimulated cycles could be of great importance, particularly for urgent fertility preservation cases. The current study aimed to determine whether in vitro maturation (IVM) was more successful before
Evangelia Kasapi   +6 more
doaj   +1 more source

Kinetic glass behavior in a diffusive model [PDF]

open access: yes, 2006
Three properties of the Edwards-Anderson model with mobile bonds are investigated which are characteristic of kinetic glasses. First is two-time relaxation in aged systems, where a significant difference is observed between spin and bond autocorrelation ...
B. Hehlen   +7 more
core   +4 more sources

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