Terahertz spectroscopy as a method for investigation of hydration shells of biomolecules

NV Penkov - Biophysical Reviews, 2023 - Springer
The hydration of biomolecules is one of the fundamental processes underlying the
construction of living matter. The formation of the native conformation of most biomolecules …

Liquid–liquid phase separation? Ask the water!

S Pezzotti, B König, S Ramos… - The Journal of …, 2023 - ACS Publications
Water is more than an inert spectator during liquid–liquid phase separation (LLPS), the
reversible compartmentalization of protein solutions into a protein-rich and a dilute phase …

Hydration dynamics in biological membranes: Emerging applications of terahertz spectroscopy

S Pal, A Chattopadhyay - The Journal of Physical Chemistry …, 2021 - ACS Publications
Water drives the spontaneous self-assembly of lipids and proteins into quasi two-
dimensional biological membranes that act as catalytic scaffolds for numerous processes …

Local solvation structures govern the mixing thermodynamics of glycerol–water solutions

DD Mahanta, DR Brown, S Pezzotti, S Han… - Chemical …, 2023 - pubs.rsc.org
Glycerol is a major cryoprotective agent and is widely used to promote protein stabilization.
By a combined experimental and theoretical study, we show that global thermodynamic …

Spectroscopic fingerprints of cavity formation and solute insertion as a measure of hydration entropic loss and enthalpic gain

S Pezzotti, F Sebastiani, EP van Dam… - Angewandte Chemie …, 2022 - Wiley Online Library
Hydration free energies are dictated by a subtle balance of hydrophobic and hydrophilic
interactions. We present here a spectroscopic approach, which gives direct access to the …

Real-time measure of solvation free energy changes upon liquid-liquid phase separation of α-elastin

B König, S Pezzotti, S Ramos, G Schwaab… - Biophysical Journal, 2024 - cell.com
Biological condensates are known to retain a large fraction of water to remain in a liquid and
reversible state. Local solvation contributions from water hydrating hydrophilic and …

Hydration makes a difference! How to tune protein complexes between liquid–liquid and liquid–solid phase separation

S Ramos, J Kamps, S Pezzotti, KF Winklhofer… - Physical Chemistry …, 2023 - pubs.rsc.org
Understanding how protein rich condensates formed upon liquid–liquid phase separation
(LLPS) evolve into solid aggregates is of fundamental importance for several medical …

The origin and impact of bound water around intrinsically disordered proteins

KM Reid, AK Singh, CR Bikash, J Wei, Y Tal-Gan… - Biophysical …, 2022 - cell.com
Proteins and water couple dynamically over a wide range of time scales. Motivated by their
central role in protein function, protein-water dynamics and thermodynamics have been …

Wetting of a dynamically patterned surface is a time-dependent matter

W Chen, O Kroutil, M Predota, S Pezzotti… - The Journal of …, 2024 - ACS Publications
In nature and many technological applications, aqueous solutions are in contact with
patterned surfaces, which are dynamic over time scales spanning from ps to μs. For …

Contrast enhanced photoacoustic detection of fibrillar collagen in the near infrared region-I

I Solomonov, I Locatelli, S Tortorella, M Unni… - Nanoscale …, 2024 - pubs.rsc.org
Fibrillar collagen accumulation emerges as a promising biomarker in several diseases, such
as desmoplastic tumors and unstable atherosclerotic plaque. Gold nanorods (GNRs) hold …