Control over the structure of ice and water by block copolymer additives

Yitzhak Mastai; Jan Rudloff; Helmut Cölfen; Markus Antonietti

doi:10.1002/1439-7641(20020118)3:1<119::AID-CPHC119>3.0.CO;2-R

Control over the structure of ice and water by block copolymer additives

Yitzhak Mastai, Jan Rudloff, Helmut Cölfen, Markus Antonietti

Max Planck Institute of Colloids and Interfaces

Research output: Contribution to journal › Article › peer-review

45 Scopus citations

Abstract

Antifreeze proteins protecting against ice crystallization have biomimetic analogons in block copolymers poly(ethylene oxide)-poly[2-(2-hydroxyethyl)ethylene] and its partially phosphorylated derivative. Both polymers influence the structure of liquid and solid water to a greater extent than the proteins, as shown by an excess increase of the average water density (as shown in the graph), water viscosity changes, additional exothermic enthalpic transitions close to the freezing point, as well as changes of the ice unit cell.

Original language	English
Pages (from-to)	119-123
Number of pages	5
Journal	ChemPhysChem
Volume	3
Issue number	1
DOIs	https://doi.org/10.1002/1439-7641(20020118)3:1<119::AID-CPHC119>3.0.CO;2-R
State	Published - 18 Jan 2002
Externally published	Yes

Keywords

Biomimetics
Double hydrophilic block copolymers
Ice
Proteins
Water chemistry

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10.1002/1439-7641(20020118)3:1<119::AID-CPHC119>3.0.CO;2-R

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AU - Antonietti, Markus

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N2 - Antifreeze proteins protecting against ice crystallization have biomimetic analogons in block copolymers poly(ethylene oxide)-poly[2-(2-hydroxyethyl)ethylene] and its partially phosphorylated derivative. Both polymers influence the structure of liquid and solid water to a greater extent than the proteins, as shown by an excess increase of the average water density (as shown in the graph), water viscosity changes, additional exothermic enthalpic transitions close to the freezing point, as well as changes of the ice unit cell.

AB - Antifreeze proteins protecting against ice crystallization have biomimetic analogons in block copolymers poly(ethylene oxide)-poly[2-(2-hydroxyethyl)ethylene] and its partially phosphorylated derivative. Both polymers influence the structure of liquid and solid water to a greater extent than the proteins, as shown by an excess increase of the average water density (as shown in the graph), water viscosity changes, additional exothermic enthalpic transitions close to the freezing point, as well as changes of the ice unit cell.

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KW - Proteins

KW - Water chemistry

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Control over the structure of ice and water by block copolymer additives

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Keywords

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