Investigating freezing-induced acidity changes in citrate buffers

B Susrisweta, L Veselý, R Štůsek, A Hauptmann… - International journal of …, 2023 - Elsevier
Citrate buffers are commonly utilized in the field of biomolecule stabilization. We investigate
their applicability in the frozen state within a range of initial pHs (2.5 to 8.0) and …

Freezing-induced acidification of sea ice brine

L Veselý, R Štůsek, O Mikula, X Yang… - Science of the Total …, 2024 - Elsevier
The acidity of sea ice and snow plays a key role in the chemistry of the cryosphere; an
important example lies in the photochemical catalytic release of reactive bromine in polar …

Probing Chemical Equilibrium in Frozen Sodium Phosphate Buffer Solution by 31P Solid-State NMR

Y Du, J Li, R Suryanarayanan, Y Su - The Journal of Physical …, 2024 - ACS Publications
Phosphate buffers are crucial for cryopreservative stability in pharmaceuticals, food
processing, biomedical sciences, and biology. However, their freeze concentrates lack …

Impact of secondary ice in a frozen NaCl freeze-concentrated solution on the extent of methylene blue aggregation

L Veselý, K Závacká, R Štůsek, M Olbert… - International Journal of …, 2024 - Elsevier
Freezing and lyophilization have been utilized for decades to stabilize pharmaceutical and
food products. Freezing a solution that contains dissolved salt and/or organic matter …

Determination of Solid-State Acidity of Lyophilized Trehalose Containing Citrate, Phosphate, and Histidine Buffers Using UV/VIS Diffuse Reflectance and Solid-State …

A Lay-Fortenbery, X Yuan, L Veselý, D Heger… - Journal of …, 2024 - Elsevier
Abstract Changes in the protonation state of lyophilized proteins can impact structural
integrity, chemical stability, and propensity to aggregate upon reconstitution. When a buffer …

Molecular Mechanisms for Stabilizing Biologics in the Solid State

J Ling, Y Du, WP Wuelfing, N Buist, Y Krishnamachari… - 2024 - chemrxiv.org
Protein drugs exhibit challenges of biophysical and biochemical instability due to their
structural complexity and rich dynamics. Solid-state biologics aim to enhance stability by …