Molecular recognition of ice by fully flexible molecules

PM Naullage, L Lupi, V Molinero - The Journal of Physical …, 2017 - ACS Publications
Cold acclimatized organisms produce antifreeze proteins that prevent ice growth and
recrystallization at subfreezing conditions. Flatness and rigidity of the ice-binding sites of …

The atomistic details of the ice recrystallisation inhibition activity of PVA

F Bachtiger, TR Congdon, C Stubbs, MI Gibson… - Nature …, 2021 - nature.com
Understanding the ice recrystallisation inhibition (IRI) activity of antifreeze biomimetics is
crucial to the development of the next generation of cryoprotectants. In this work, we bring …

Slow propagation of ice binding limits the ice-recrystallization inhibition efficiency of PVA and other flexible polymers

PM Naullage, V Molinero - Journal of the American Chemical …, 2020 - ACS Publications
Ice recrystallization inhibitors (IRI) are of critical importance in biology, cryopreservation of
cells and organs, and frozen foods. Antifreeze glycoproteins (AFGPs) are the most potent …

Molecular dynamics at the interface between ice and poly (vinyl alcohol) and ice recrystallization inhibition

L Weng, SL Stott, M Toner - Langmuir, 2017 - ACS Publications
Ice formation is a ubiquitous process that poses serious challenges for many areas. Nature
has evolved a variety of different mechanisms to regulate ice formation. For example, many …

Hydrogen-bonding and hydrophobic groups contribute equally to the binding of hyperactive antifreeze and ice-nucleating proteins to ice

A Hudait, Y Qiu, N Odendahl… - Journal of the American …, 2019 - ACS Publications
Hyperactive insect antifreeze proteins and bacterial ice-nucleating proteins are arguably the
most potent ice-binding molecules in nature. These highly effective proteins bind ice through …

Enhancement of macromolecular ice recrystallization inhibition activity by exploiting depletion forces

T Ishibe, T Congdon, C Stubbs, M Hasan… - ACS Macro …, 2019 - ACS Publications
Antifreeze (glyco) proteins (AF (G) Ps) are potent inhibitors of ice recrystallization and may
have biotechnological applications. The most potent AF (G) Ps function at concentrations a …

Antifreeze (glyco) protein mimetic behavior of poly (vinyl alcohol): detailed structure ice recrystallization inhibition activity study

T Congdon, R Notman, MI Gibson - Biomacromolecules, 2013 - ACS Publications
This manuscript reports a detailed study on the ability of poly (vinyl alcohol) to act as a
biomimetic surrogate for antifreeze (glyco) proteins, with a focus on the specific property of …

Spreading fully at the ice-water interface is required for high ice recrystallization inhibition activity

S Jin, L Yin, B Kong, S Wu, Z He, H Xue, Z Liu… - Science China …, 2019 - Springer
Although materials for ice recrystallization inhibition (IRI) are essential for the
cryopreservation of cells and tissues, there exists no guiding mechanism for the design of …

Understanding poly (vinyl alcohol)-mediated ice recrystallization inhibition through ice adsorption measurement and pH effects

AA Burkey, CL Riley, LK Wang, TA Hatridge… - …, 2018 - ACS Publications
The development of improved cryopreservative materials is necessary to enable complete
recovery of living cells and tissue after frozen storage. Remarkably, poly (vinyl alcohol)(PVA) …

Mimicking the ice recrystallization activity of biological antifreezes. When is a new polymer “active”?

CI Biggs, C Stubbs, B Graham… - Macromolecular …, 2019 - Wiley Online Library
Antifreeze proteins and ice‐binding proteins have been discovered in a diverse range of
extremophiles and have the ability to modulate the growth and formation of ice crystals …