On the engulfment of antifreeze proteins by ice

AU Thosar, Y Cai, SM Marks, Z Vicars… - Proceedings of the …, 2024 - National Acad Sciences
Antifreeze proteins (AFPs) are remarkable biomolecules that suppress ice formation at trace
concentrations. To inhibit ice growth, AFPs must not only bind to ice crystals, but also resist …

Is ice nucleation by organic crystals nonclassical? An assessment of the monolayer hypothesis of ice nucleation

AK Metya, V Molinero - Journal of the American Chemical Society, 2021 - ACS Publications
Potent ice nucleating organic crystals display an increase in nucleation efficiency with
pressure and memory effect after pressurization that set them apart from inorganic …

Molecular properties and chemical transformations near interfaces

M Ahmed, M Blum, EJ Crumlin… - The Journal of …, 2021 - ACS Publications
The properties of bulk water and aqueous solutions are known to change in the vicinity of an
interface and/or in a confined environment, including the thermodynamics of ion selectivity at …

Single ice crystal growth with controlled orientation during directional freezing

T Zhang, L Wang, Z Wang, J Li… - The Journal of Physical …, 2021 - ACS Publications
Ice growth has attracted great attention for its capability of fabricating hierarchically porous
microstructure. However, the formation of tilted lamellar microstructure during freezing needs …

The clathrate–water interface is oleophilic

AA Bertolazzo, PM Naullage, B Peters… - The Journal of …, 2018 - ACS Publications
The slow nucleation of clathrate hydrates is a central challenge for their use in the storage
and transportation of natural gas. Molecules that strongly adsorb to the clathrate–water …

Detailed analysis of the ice surface after binding of an insect antifreeze protein and correlation with the Gibbs–Thomson equation

J Gerhauser, V Gaukel - Langmuir, 2021 - ACS Publications
Antifreeze proteins (AFPs) are able to influence the ice crystal growth and the
recrystallization process due to the Gibbs–Thomson effect. The binding of the AFP leads to …

Combined molecular dynamics and neural network method for predicting protein antifreeze activity

DJ Kozuch, FH Stillinger… - Proceedings of the …, 2018 - National Acad Sciences
Antifreeze proteins (AFPs) are a diverse class of proteins that depress the kinetically
observable freezing point of water. AFPs have been of scientific interest for decades, but the …

Peptidic antifreeze materials: prospects and challenges

R Surís-Valls, IK Voets - International Journal of Molecular Sciences, 2019 - mdpi.com
Necessitated by the subzero temperatures and seasonal exposure to ice, various organisms
have developed a remarkably effective means to survive the harsh climate of their natural …

Free energy barriers for anti-freeze protein engulfment in ice: Effects of supercooling, footprint size, and spatial separation

H Farag, B Peters - The Journal of Chemical Physics, 2023 - pubs.aip.org
Anti-freeze proteins (AFPs) protect organisms at freezing conditions by attaching to the ice
surface and arresting its growth. Each adsorbed AFP locally pins the ice surface, resulting in …

Can clathrates heterogeneously nucleate ice?

MH Factorovich, PM Naullage… - The Journal of Chemical …, 2019 - pubs.aip.org
Methane hydrates can be preserved at ambient pressure, beyond their region of
thermodynamic stability, by storing them at temperatures from 240 to 270 K. The origin of this …