Intracellular condensates of oligopeptide for targeting lysosome and addressing multiple drug resistance of cancer

J Wang, L Hu, H Zhang, Y Fang, T Wang… - Advanced …, 2022 - Wiley Online Library
Biomolecular condensates have been demonstrated as a ubiquitous phenomenon in
biological systems and play a crucial role in controlling cellular functions. However, the …

Protein dynamics by two-dimensional infrared spectroscopy

GW Tumbic, MY Hossan… - Annual Review of …, 2021 - annualreviews.org
Proteins function as ensembles of interconverting structures. The motions span from
picosecond bond rotations to millisecond and longer subunit displacements …

Ice-nucleating proteins are activated by low temperatures to control the structure of interfacial water

SJ Roeters, TW Golbek, M Bregnhøj, T Drace… - Nature …, 2021 - nature.com
Ice-nucleation active (INA) bacteria can promote the growth of ice more effectively than any
other known material. Using specialized ice-nucleating proteins (INPs), they obtain nutrients …

Probing High-Order Transient Oligomers Using Ion Mobility Mass Spectrometry Coupled with Infrared Action Spectroscopy

S Bakels, S Daly, B Doğan, M Baerenfaenger… - Analytical …, 2024 - ACS Publications
Understanding and controlling peptide aggregation are critical due to its neurotoxic
implications. However, structural information about the key intermediates, the oligomers, is …

Hydrogen bonds under stress: strain-induced structural changes in polyurethane revealed by rheological two-dimensional infrared spectroscopy

G Giubertoni, M Hilbers, F Caporaletti… - The Journal of …, 2023 - ACS Publications
The remarkable elastic properties of polymers are ultimately due to their molecular structure,
but the relation between the macroscopic and molecular properties is often difficult to …

Multidimensional infrared diffusion-ordered spectroscopy in depletion mode distinguishes protein amyloids and monomers

G Giubertoni, F Caporaletti, R van Diest… - The Journal of …, 2023 - pubs.aip.org
Conventional and two-dimensional infrared (2D-IR) spectroscopy are well suited to study
amyloid aggregates, because the amide I mode is a sensitive probe of the aggregate …

Probing Backbone Coupling within Hydrated Proteins with Two-Color 2D Infrared Spectroscopy

F Madzharova, AS Chatterley, SJ Roeters… - The Journal of …, 2024 - ACS Publications
The vibrational coupling between protein backbone modes and the role of water interactions
are important topics in biomolecular spectroscopy. Our work reports the first study of the …

Polymorphism of amyloid fibrils induced by catalytic seeding: a vibrational circular dichroism study

M Krupová, J Kessler, P Bouř - ChemPhysChem, 2021 - Wiley Online Library
Amyloidal protein fibrils occur in many biological events, but their formation and structural
variability are understood rather poorly. We systematically explore fibril polymorphism for …

Structural adaptability and surface activity of tardigrade-inspired peptides

G Giubertoni, S Chagri, PG Argudo, F Caporaletti… - bioRxiv, 2023 - biorxiv.org
Tardigrades are unique micro-animals that withstand harsh conditions, such as extreme
temperatures and desiccation. Recently, it was found that specific cytoprotective proteins are …

Rheo-2DIR spectroscopy reveals strain-induced hydrogen-bond redistribution in polyurethane

G Giubertoni, M Hilbers, H Groen, A Van der Weide… - bioRxiv, 2022 - biorxiv.org
The remarkable elastic properties of polymers are ultimately due to their molecular structure,
but the relation between the macroscopic and molecular properties is often difficult to …