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Comment on "New Method to Probe the Surface Properties of Polymer Thin Films by Two-Dimensional (2D) Inverse Gas Chromatography (iGC)".
Langmuir
November 2024
Faculty of Science and Engineering, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands.
Determining London dispersive surface energy, polar thermodynamic variables, and Lewis acid-base behavior of solid surfaces is crucial in many industrial applications such as adhesion, catalysis, chemical engineering, biomaterials, and technologic processes. Inverse gas chromatography at infinite dilution is a powerful technique that allows the determination of the surface thermodynamic parameters of the interaction between solid materials and organic solvents. In their most recent study, Cho et al.
View Article and Find Full Text PDFMetamaterials with negative compressibility highlight evolving interpretations and opportunities.
Nat Commun
October 2024
Department of Physics and Astronomy, Northwestern University, Evanston, IL, 60208, USA.
The idea that a material can exhibit negative compressibility is highly consequential for research and applications. As new forms for this effect are discovered, it is important to examine the range of possible mechanisms and ways to design them into mechanical metamaterials.
View Article and Find Full Text PDFComing in out of the cold: Rho-dependent termination contributes to adaptation to cold shock.
Mol Cell
September 2024
Laboratory of Molecular Biology, Center for Cancer Research, NCI, Bethesda, MD 20892, USA. Electronic address:
During cold shock, bacteria shut down translation of all but a set of cold-shock proteins critical for recovery; in this issue of Molecular Cell, Delaleau et al. show that Rho-dependent transcription termination plays an important role in cold adaptation, via temperature-regulated termination of the cold-shock protein mRNAs.
View Article and Find Full Text PDFHigh temperatures increase the virulence of Vibrio bacteria towards their coral host and competing bacteria via type VI secretion systems.
PLoS Biol
September 2024
Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.
The bacterial pathogen Vibrio coralliilyticus induces severe coral diseases in warming oceans. A study in PLOS Biology reveals that high temperatures activate 2 type VI secretion systems in V. coralliilyticus, enhancing pathogenicity by deploying toxic effectors against competing bacteria and coral cells.
View Article and Find Full Text PDFComment on "Adsorption of uranium (VI) complexes with polymer-based spherical activated carbon", published by Y.-A. Boussouga et al. [Water Research 249 (2024) 120825].
Water Res
September 2024
Department of Technical Biogeochemistry, Helmholtz Centre for Environmental Research - UFZ, Leipzig D-04318, Germany. Electronic address:
Calculation of thermodynamic parameters of adsorption such as Gibbs free energy ΔG° from experimentally determined adsorption data can be helpful for elucidation of sorption mechanisms. This approach includes the transformation of adsorption coefficients K or K into dimensionless standard adsorption constants K [-]. The present comment reveals recently published misleading approaches and offers thermodynamically sound alternatives.
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