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
- Institución
- Pontificia Universidad Católica Argentina
- OAI Identificador
- oai:ucacris:123456789/5467
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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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