Critical cooling rates for aqueous cryoprotectants in the presence of sugars and polysaccharides
The technique of isothermal emulsion differential scanning calorimetry was used to determine time-temperature-transformation (TTT) curves for aqueous glycerol and butane-2,3-diol in the presence of various polysaccharides and sugars. The critical cooling rate required to avoid the crystallization of...
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| Veröffentlicht in: | Cryobiology 1992-10, Vol.29 (5), p.585-598 |
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| container_title | Cryobiology |
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| creator | Sutton, Robin L. |
| description | The technique of isothermal emulsion differential scanning calorimetry was used to determine time-temperature-transformation (TTT) curves for aqueous glycerol and butane-2,3-diol in the presence of various polysaccharides and sugars. The critical cooling rate required to avoid the crystallization of ice in these solutions was then calculated from the experimental TTT curves. The polysaccharides used in this study included starch hydrolysis products and dextrans of various molecular weights. The sugars used here were sucrose, glucose, trehalose, and raffinose. The results show that the critical cooling rates of butane-2,3-diol and glycerol are reduced by varying amounts by the addition of such materials but that the reduction is not as great as is achieved by the addition of polyethylene glycol with a molecular weight of 400. |
| doi_str_mv | 10.1016/0011-2240(92)90063-8 |
| format | Article |
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The critical cooling rate required to avoid the crystallization of ice in these solutions was then calculated from the experimental TTT curves. The polysaccharides used in this study included starch hydrolysis products and dextrans of various molecular weights. The sugars used here were sucrose, glucose, trehalose, and raffinose. The results show that the critical cooling rates of butane-2,3-diol and glycerol are reduced by varying amounts by the addition of such materials but that the reduction is not as great as is achieved by the addition of polyethylene glycol with a molecular weight of 400.</description><identifier>ISSN: 0011-2240</identifier><identifier>EISSN: 1090-2392</identifier><identifier>DOI: 10.1016/0011-2240(92)90063-8</identifier><identifier>PMID: 1424715</identifier><identifier>CODEN: CRYBAS</identifier><language>eng</language><publisher>San Diego, CA: Elsevier Inc</publisher><subject>Biological and medical sciences ; Butylene Glycols ; Calorimetry, Differential Scanning ; Carbohydrates ; Cryopreservation - methods ; Cryoprotective Agents ; Crystallization ; Fundamental and applied biological sciences. 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Psychology</subject><subject>Glycerol</subject><subject>Ice</subject><subject>Molecular biophysics</subject><subject>Physico-chemical properties of biomolecules</subject><subject>Polyethylene Glycols</subject><subject>Polysaccharides</subject><subject>Water</subject><issn>0011-2240</issn><issn>1090-2392</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE2LFDEQhoMo6-zqP1DIQWQ9tOar0-nLggx-wYIXPcfqpHo30tMZUz3C_HvTzrDePNWhnrd462HshRRvpZD2nRBSNkoZcd2rN70QVjfuEdtI0YtG6V49ZpsH5Cm7JPopKtRpc8EupFGmk-2G_diWtKQAEw85T2m-4wUWJD7mwuHXAfOBeCjHvC95wbDAvBBPM1_uke8LEs4BeR45He6gEIc58n2ejgQh3ENJEekZezLCRPj8PK_Y948fvm0_N7dfP33Zvr9tgnZ2aZQbLQxOo5Wyb51WNprYw2gH55zUQQaJYIYAohUISmEYpI5OdODMYKPWV-z16W5tWnvT4neJAk4TzOsTvtPKtbazFTQnMJRMVHD0-5J2UI5eCr-K9as1v1rzvfJ_xXpXYy_P9w_DDuO_0Mlk3b8674GqzrHAHBI9YEb3rRSqYjcnDKuL3wmLp5BWizGV6tfHnP7f4w_ZHpUx</recordid><startdate>19921001</startdate><enddate>19921001</enddate><creator>Sutton, Robin L.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19921001</creationdate><title>Critical cooling rates for aqueous cryoprotectants in the presence of sugars and polysaccharides</title><author>Sutton, Robin L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c386t-28f6ab83e611958326d4d9af6b88813c1c1ea4bca050ea22ecb13d807a84b6d33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Biological and medical sciences</topic><topic>Butylene Glycols</topic><topic>Calorimetry, Differential Scanning</topic><topic>Carbohydrates</topic><topic>Cryopreservation - methods</topic><topic>Cryoprotective Agents</topic><topic>Crystallization</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Glycerol</topic><topic>Ice</topic><topic>Molecular biophysics</topic><topic>Physico-chemical properties of biomolecules</topic><topic>Polyethylene Glycols</topic><topic>Polysaccharides</topic><topic>Water</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sutton, Robin L.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Cryobiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sutton, Robin L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Critical cooling rates for aqueous cryoprotectants in the presence of sugars and polysaccharides</atitle><jtitle>Cryobiology</jtitle><addtitle>Cryobiology</addtitle><date>1992-10-01</date><risdate>1992</risdate><volume>29</volume><issue>5</issue><spage>585</spage><epage>598</epage><pages>585-598</pages><issn>0011-2240</issn><eissn>1090-2392</eissn><coden>CRYBAS</coden><abstract>The technique of isothermal emulsion differential scanning calorimetry was used to determine time-temperature-transformation (TTT) curves for aqueous glycerol and butane-2,3-diol in the presence of various polysaccharides and sugars. 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| fulltext | fulltext |
| identifier | ISSN: 0011-2240 |
| ispartof | Cryobiology, 1992-10, Vol.29 (5), p.585-598 |
| issn | 0011-2240 1090-2392 |
| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Biological and medical sciences Butylene Glycols Calorimetry, Differential Scanning Carbohydrates Cryopreservation - methods Cryoprotective Agents Crystallization Fundamental and applied biological sciences. Psychology Glycerol Ice Molecular biophysics Physico-chemical properties of biomolecules Polyethylene Glycols Polysaccharides Water |
| title | Critical cooling rates for aqueous cryoprotectants in the presence of sugars and polysaccharides |
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