Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservation

Autores
Sansiñena, Marina Julia; Santos, María Victoria; Zaritzky, Noemí; Chirife, Jorge
Año de publicación
2011
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Fil: Sansiñena, Marina Julia. Pontificia Universidad Católica Argentina. Facultad de Ciencias Agrarias; Argentina
Fil: Santos, María Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigación y Desarrollo en Criotecnología de Alimentos; Argentina
Fil: Santos, María Victoria. Universidad Nacional de La Plata. Facultad de Ingeniería. Departamento de Ingeniería Química; Argentina
Fil: Zaritzky, Noemí. Universidad Nacional de La Plata. Facultad de Ingeniería. Departamento de Ingeniería Química; Argentina
Fil: Chirife, Jorge. Pontificia Universidad Católica Argentina. Facultad de Ciencias Agrarias; Argentina
Abstract: Oocyte cryopreservation is of key importance in the preservation and propagation of germplasm. Interest 24 in oocyte cryopreservation has increased in recent years due to the application of assisted reproductive 25 technologies in farm animals such as in vitro fertilization, nuclear transfer and the need for the establish- 26 ment of ova/gene banks worldwide. However, the cryopreservation of the female gamete has been met 27 with limited success mainly due to its small surface-area:volume ratio. 28 In the past decade, several vitrification devices such as open pulled straws (OPS), fine and ultra fine pip- 29 ette tips, nylon loops and polyethylene films have been introduced in order to manipulate minimal vol- 30 umes and achieve high cooling rates. However, experimental comparison of cooling rates presents 31 difficulties mainly because of the reduced size of these systems. To circumvent this limitation, a numer- 32 ical simulation of cooling rates of various vitrification systems immersed in liquid nitrogen was con- 33 ducted solving the non-stationary heat transfer partial differential equation using finite element method. 34 Results indicate the nylon loop (Cryoloop) is the most efficient heat transfer system analyzed, with a 35 predicted cooling rate of 180,000 C/min for an external heat transfer coefficient h = 1000W/m2 K when 36 cooling from 20 to 130 C; in contrast, the open pulled straw method (OPS) showed the lowest perfor- 37 mance with a cooling rate of 5521 C/min considering the same value of external heat transfer coefficient. 38 Predicted cooling rates of Miniflex and Cryotop (polyethylene film system) were 6164 and 37,500 C/ 39 min, respectively, for the same heat transfer coefficient
Fuente
Posprint del documento publicado en Cryobiology 63, 2011
Materia
ENFRIAMIENTO
OVOCITOS
TRANSFERENCIA DE CALOR
METODO DE ELEMENTOS FINITOS
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
Repositorio Institucional (UCA)
Institución
Pontificia Universidad Católica Argentina
OAI Identificador
oai:ucacris:123456789/5467

id RIUCA_1df8cab7b2dd0bab2d011449807e4f84
oai_identifier_str oai:ucacris:123456789/5467
network_acronym_str RIUCA
repository_id_str 2585
network_name_str Repositorio Institucional (UCA)
spelling Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservationSansiñena, Marina JuliaSantos, María VictoriaZaritzky, NoemíChirife, JorgeENFRIAMIENTOOVOCITOSTRANSFERENCIA DE CALORMETODO DE ELEMENTOS FINITOSFil: Sansiñena, Marina Julia. Pontificia Universidad Católica Argentina. Facultad de Ciencias Agrarias; ArgentinaFil: Santos, María Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigación y Desarrollo en Criotecnología de Alimentos; ArgentinaFil: Santos, María Victoria. Universidad Nacional de La Plata. Facultad de Ingeniería. Departamento de Ingeniería Química; ArgentinaFil: Zaritzky, Noemí. Universidad Nacional de La Plata. Facultad de Ingeniería. Departamento de Ingeniería Química; ArgentinaFil: Chirife, Jorge. Pontificia Universidad Católica Argentina. Facultad de Ciencias Agrarias; ArgentinaAbstract: Oocyte cryopreservation is of key importance in the preservation and propagation of germplasm. Interest 24 in oocyte cryopreservation has increased in recent years due to the application of assisted reproductive 25 technologies in farm animals such as in vitro fertilization, nuclear transfer and the need for the establish- 26 ment of ova/gene banks worldwide. However, the cryopreservation of the female gamete has been met 27 with limited success mainly due to its small surface-area:volume ratio. 28 In the past decade, several vitrification devices such as open pulled straws (OPS), fine and ultra fine pip- 29 ette tips, nylon loops and polyethylene films have been introduced in order to manipulate minimal vol- 30 umes and achieve high cooling rates. However, experimental comparison of cooling rates presents 31 difficulties mainly because of the reduced size of these systems. To circumvent this limitation, a numer- 32 ical simulation of cooling rates of various vitrification systems immersed in liquid nitrogen was con- 33 ducted solving the non-stationary heat transfer partial differential equation using finite element method. 34 Results indicate the nylon loop (Cryoloop) is the most efficient heat transfer system analyzed, with a 35 predicted cooling rate of 180,000 C/min for an external heat transfer coefficient h = 1000W/m2 K when 36 cooling from 20 to 130 C; in contrast, the open pulled straw method (OPS) showed the lowest perfor- 37 mance with a cooling rate of 5521 C/min considering the same value of external heat transfer coefficient. 38 Predicted cooling rates of Miniflex and Cryotop (polyethylene film system) were 6164 and 37,500 C/ 39 min, respectively, for the same heat transfer coefficientUniversidad Católica Argentina. Facultad de Ciencias AgrariasUniversidad Nacional de La Plata. Facultad de Ingeniería. Centro de Investigación y Desarrollo en Criotecnología de Alimentos2011info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttps://repositorio.uca.edu.ar/handle/123456789/5467Sansiñena, M., Santos, M.V., Zaritzky, N. y J. Chirife. 2011. Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservation [en línea]. Postprint del artículo publiccado en Cryobiology 63. Disponible en: https://repositorio.uca.edu.ar/handle/123456789/5467Posprint del documento publicado en Cryobiology 63, 2011reponame:Repositorio Institucional (UCA)instname:Pontificia Universidad Católica Argentinaenginfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/4.0/2025-07-03T10:56:07Zoai:ucacris:123456789/5467instacron:UCAInstitucionalhttps://repositorio.uca.edu.ar/Universidad privadaNo correspondehttps://repositorio.uca.edu.ar/oaiclaudia_fernandez@uca.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:25852025-07-03 10:56:07.897Repositorio Institucional (UCA) - Pontificia Universidad Católica Argentinafalse
dc.title.none.fl_str_mv Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservation
title Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservation
spellingShingle Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservation
Sansiñena, Marina Julia
ENFRIAMIENTO
OVOCITOS
TRANSFERENCIA DE CALOR
METODO DE ELEMENTOS FINITOS
title_short Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservation
title_full Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservation
title_fullStr Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservation
title_full_unstemmed Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservation
title_sort Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservation
dc.creator.none.fl_str_mv Sansiñena, Marina Julia
Santos, María Victoria
Zaritzky, Noemí
Chirife, Jorge
author Sansiñena, Marina Julia
author_facet Sansiñena, Marina Julia
Santos, María Victoria
Zaritzky, Noemí
Chirife, Jorge
author_role author
author2 Santos, María Victoria
Zaritzky, Noemí
Chirife, Jorge
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidad Católica Argentina. Facultad de Ciencias Agrarias
Universidad Nacional de La Plata. Facultad de Ingeniería. Centro de Investigación y Desarrollo en Criotecnología de Alimentos
dc.subject.none.fl_str_mv ENFRIAMIENTO
OVOCITOS
TRANSFERENCIA DE CALOR
METODO DE ELEMENTOS FINITOS
topic ENFRIAMIENTO
OVOCITOS
TRANSFERENCIA DE CALOR
METODO DE ELEMENTOS FINITOS
dc.description.none.fl_txt_mv Fil: Sansiñena, Marina Julia. Pontificia Universidad Católica Argentina. Facultad de Ciencias Agrarias; Argentina
Fil: Santos, María Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigación y Desarrollo en Criotecnología de Alimentos; Argentina
Fil: Santos, María Victoria. Universidad Nacional de La Plata. Facultad de Ingeniería. Departamento de Ingeniería Química; Argentina
Fil: Zaritzky, Noemí. Universidad Nacional de La Plata. Facultad de Ingeniería. Departamento de Ingeniería Química; Argentina
Fil: Chirife, Jorge. Pontificia Universidad Católica Argentina. Facultad de Ciencias Agrarias; Argentina
Abstract: Oocyte cryopreservation is of key importance in the preservation and propagation of germplasm. Interest 24 in oocyte cryopreservation has increased in recent years due to the application of assisted reproductive 25 technologies in farm animals such as in vitro fertilization, nuclear transfer and the need for the establish- 26 ment of ova/gene banks worldwide. However, the cryopreservation of the female gamete has been met 27 with limited success mainly due to its small surface-area:volume ratio. 28 In the past decade, several vitrification devices such as open pulled straws (OPS), fine and ultra fine pip- 29 ette tips, nylon loops and polyethylene films have been introduced in order to manipulate minimal vol- 30 umes and achieve high cooling rates. However, experimental comparison of cooling rates presents 31 difficulties mainly because of the reduced size of these systems. To circumvent this limitation, a numer- 32 ical simulation of cooling rates of various vitrification systems immersed in liquid nitrogen was con- 33 ducted solving the non-stationary heat transfer partial differential equation using finite element method. 34 Results indicate the nylon loop (Cryoloop) is the most efficient heat transfer system analyzed, with a 35 predicted cooling rate of 180,000 C/min for an external heat transfer coefficient h = 1000W/m2 K when 36 cooling from 20 to 130 C; in contrast, the open pulled straw method (OPS) showed the lowest perfor- 37 mance with a cooling rate of 5521 C/min considering the same value of external heat transfer coefficient. 38 Predicted cooling rates of Miniflex and Cryotop (polyethylene film system) were 6164 and 37,500 C/ 39 min, respectively, for the same heat transfer coefficient
description Fil: Sansiñena, Marina Julia. Pontificia Universidad Católica Argentina. Facultad de Ciencias Agrarias; Argentina
publishDate 2011
dc.date.none.fl_str_mv 2011
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://repositorio.uca.edu.ar/handle/123456789/5467
Sansiñena, M., Santos, M.V., Zaritzky, N. y J. Chirife. 2011. Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservation [en línea]. Postprint del artículo publiccado en Cryobiology 63. Disponible en: https://repositorio.uca.edu.ar/handle/123456789/5467
url https://repositorio.uca.edu.ar/handle/123456789/5467
identifier_str_mv Sansiñena, M., Santos, M.V., Zaritzky, N. y J. Chirife. 2011. Numerical simulation of cooling rates in vitrification systems used for oocyte cryopreservation [en línea]. Postprint del artículo publiccado en Cryobiology 63. Disponible en: https://repositorio.uca.edu.ar/handle/123456789/5467
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/4.0/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/4.0/
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv Posprint del documento publicado en Cryobiology 63, 2011
reponame:Repositorio Institucional (UCA)
instname:Pontificia Universidad Católica Argentina
reponame_str Repositorio Institucional (UCA)
collection Repositorio Institucional (UCA)
instname_str Pontificia Universidad Católica Argentina
repository.name.fl_str_mv Repositorio Institucional (UCA) - Pontificia Universidad Católica Argentina
repository.mail.fl_str_mv claudia_fernandez@uca.edu.ar
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score 13.001348