The Modification of Polyvinyl Alcohol for Ice Nucleation Based upon the Structures of Antifreeze Glycoproteins Found in Antarctic Fish
Various alternative compounds have been investigated to prevent icing, one of which includes poly(vinyl) alcohol (PVA), which has shown promising anti-freeze effects. However, determining the optimal structures and formulations of PVA for anti-icing applications has remained a challenge. Building up...
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MDPI AG
2022
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Online Access: | https://doi.org/10.3390/biophysica2040037 https://doaj.org/article/989a8bd7d5054421b23a6894a8b9e470 |
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ftdoajarticles:oai:doaj.org/article:989a8bd7d5054421b23a6894a8b9e470 2023-05-15T14:02:20+02:00 The Modification of Polyvinyl Alcohol for Ice Nucleation Based upon the Structures of Antifreeze Glycoproteins Found in Antarctic Fish Monika Bleszynski 2022-11-01T00:00:00Z https://doi.org/10.3390/biophysica2040037 https://doaj.org/article/989a8bd7d5054421b23a6894a8b9e470 EN eng MDPI AG https://www.mdpi.com/2673-4125/2/4/37 https://doaj.org/toc/2673-4125 doi:10.3390/biophysica2040037 2673-4125 https://doaj.org/article/989a8bd7d5054421b23a6894a8b9e470 Biophysica, Vol 2, Iss 37, Pp 417-427 (2022) polyvinyl alcohol ice nucleation hydroxyl group separation distance antifreeze glycoproteins Biology (General) QH301-705.5 article 2022 ftdoajarticles https://doi.org/10.3390/biophysica2040037 2022-12-30T19:32:41Z Various alternative compounds have been investigated to prevent icing, one of which includes poly(vinyl) alcohol (PVA), which has shown promising anti-freeze effects. However, determining the optimal structures and formulations of PVA for anti-icing applications has remained a challenge. Building upon our previous work, which used molecular dynamics simulations to assess the effects of hydroxyl group separation distance on ice nucleation, in this work, PVA was modified based upon the structures of antifreeze glycoproteins (AFGPs) found in Antarctic fish, and examined as a potential antifreeze compound. Four different PVA samples with different degrees of hydrolysis were fabricated and subsequently examined for their effects on ice crystallization. The results showed that the modified PVA samples with degrees of hydrolysis of 76% and 66% had an effect on ice crystallization, delaying ice crystallization by an average of approximately 20 min, and even preventing ice crystallization altogether in a small portion of the sample. Meanwhile, other samples with degrees of hydrolysis of 100% and 34% either showed no effect on ice crystallization, shortened the ice crystallization time, and appeared to promote ice nucleation. Article in Journal/Newspaper Antarc* Antarctic Directory of Open Access Journals: DOAJ Articles Antarctic Biophysica 2 4 417 427 |
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Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
polyvinyl alcohol ice nucleation hydroxyl group separation distance antifreeze glycoproteins Biology (General) QH301-705.5 |
spellingShingle |
polyvinyl alcohol ice nucleation hydroxyl group separation distance antifreeze glycoproteins Biology (General) QH301-705.5 Monika Bleszynski The Modification of Polyvinyl Alcohol for Ice Nucleation Based upon the Structures of Antifreeze Glycoproteins Found in Antarctic Fish |
topic_facet |
polyvinyl alcohol ice nucleation hydroxyl group separation distance antifreeze glycoproteins Biology (General) QH301-705.5 |
description |
Various alternative compounds have been investigated to prevent icing, one of which includes poly(vinyl) alcohol (PVA), which has shown promising anti-freeze effects. However, determining the optimal structures and formulations of PVA for anti-icing applications has remained a challenge. Building upon our previous work, which used molecular dynamics simulations to assess the effects of hydroxyl group separation distance on ice nucleation, in this work, PVA was modified based upon the structures of antifreeze glycoproteins (AFGPs) found in Antarctic fish, and examined as a potential antifreeze compound. Four different PVA samples with different degrees of hydrolysis were fabricated and subsequently examined for their effects on ice crystallization. The results showed that the modified PVA samples with degrees of hydrolysis of 76% and 66% had an effect on ice crystallization, delaying ice crystallization by an average of approximately 20 min, and even preventing ice crystallization altogether in a small portion of the sample. Meanwhile, other samples with degrees of hydrolysis of 100% and 34% either showed no effect on ice crystallization, shortened the ice crystallization time, and appeared to promote ice nucleation. |
format |
Article in Journal/Newspaper |
author |
Monika Bleszynski |
author_facet |
Monika Bleszynski |
author_sort |
Monika Bleszynski |
title |
The Modification of Polyvinyl Alcohol for Ice Nucleation Based upon the Structures of Antifreeze Glycoproteins Found in Antarctic Fish |
title_short |
The Modification of Polyvinyl Alcohol for Ice Nucleation Based upon the Structures of Antifreeze Glycoproteins Found in Antarctic Fish |
title_full |
The Modification of Polyvinyl Alcohol for Ice Nucleation Based upon the Structures of Antifreeze Glycoproteins Found in Antarctic Fish |
title_fullStr |
The Modification of Polyvinyl Alcohol for Ice Nucleation Based upon the Structures of Antifreeze Glycoproteins Found in Antarctic Fish |
title_full_unstemmed |
The Modification of Polyvinyl Alcohol for Ice Nucleation Based upon the Structures of Antifreeze Glycoproteins Found in Antarctic Fish |
title_sort |
modification of polyvinyl alcohol for ice nucleation based upon the structures of antifreeze glycoproteins found in antarctic fish |
publisher |
MDPI AG |
publishDate |
2022 |
url |
https://doi.org/10.3390/biophysica2040037 https://doaj.org/article/989a8bd7d5054421b23a6894a8b9e470 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Biophysica, Vol 2, Iss 37, Pp 417-427 (2022) |
op_relation |
https://www.mdpi.com/2673-4125/2/4/37 https://doaj.org/toc/2673-4125 doi:10.3390/biophysica2040037 2673-4125 https://doaj.org/article/989a8bd7d5054421b23a6894a8b9e470 |
op_doi |
https://doi.org/10.3390/biophysica2040037 |
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Biophysica |
container_volume |
2 |
container_issue |
4 |
container_start_page |
417 |
op_container_end_page |
427 |
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1766272543780503552 |