External-cavity quantum cascade laser spectroscopy for mid-IR transmission measurements of proteins in aqueous solution

MR Alcaráz, A Schwaighofer, C Kristament… - Analytical …, 2015 - ACS Publications
In this work, we report mid-IR transmission measurements of the protein amide I band in
aqueous solution at large optical paths. A tunable external-cavity quantum cascade laser …

Role of ionic liquid on the conformational dynamics in the native, molten globule, and unfolded states of cytochrome c: a fluorescence correlation spectroscopy study

S Sen Mojumdar, R Chowdhury… - The Journal of …, 2012 - ACS Publications
The role of a room temperature ionic liquid (RTIL,[pmim][Br]) on the size and conformational
dynamics of a protein, horse heart cytochrome c (Cyt C) in its native, molten globule (MG-I …

Mutations in a single signaling pathway allow cell growth in heavy water

C Kampmeyer, JV Johansen, C Holmberg… - ACS Synthetic …, 2020 - ACS Publications
Life is completely dependent on water. To analyze the role of water as a solvent in biology,
we replaced water with heavy water (D2O) and investigated the biological effects by a wide …

Effect of an ionic liquid on the unfolding of human serum albumin: a fluorescence correlation spectroscopy study

D Kumar Das, A Kumar Das, A Kumar Mandal… - …, 2012 - Wiley Online Library
The effect of the room temperature ionic liquid (RTIL) 1‐pentyl‐3‐methyl‐imidazolium
bromide ([pmim][Br]) on the unfolding of a protein, human serum albumin (HSA), is studied …

Effect of sucrose on chemically and thermally induced unfolding of domain-I of human serum albumin: Solvation dynamics and fluorescence anisotropy study

R Yadav, B Sengupta, P Sen - Biophysical Chemistry, 2016 - Elsevier
The present study is devoted to understand the effect of sucrose on the hydration dynamics
and rotational relaxation dynamics within the domain-I of HSA during chemically as well as …

Binding of Organic Dyes with Human Serum Albumin: A Single‐Molecule Study

DK Das, T Mondal, AK Mandal… - Chemistry–An Asian …, 2011 - Wiley Online Library
Kinetics of binding of dyes at different sites of human serum albumin (HSA) has been
studied by single‐molecule spectroscopy. The protein was immobilized on a glass surface …

Tuning of resonance energy transfer from 4′, 6-diamidino-2-phenylindole to an ultrasmall silver nanocluster across the lipid bilayer

JK Vaishnav, TK Mukherjee - Physical Chemistry Chemical Physics, 2017 - pubs.rsc.org
Herein we have developed a simple liposome-based donor–acceptor system across the
lipid bilayer using 4′, 6-diamidino-2-phenylindole (DAPI) as the donor and an ultrasmall …

Phase-Sensitive Detection in Modulation Excitation Spectroscopy Applied to Potential Induced Electron Transfer in Cytochrome c Oxidase

A Schwaighofer, S Ferguson-Miller… - Applied …, 2014 - journals.sagepub.com
Cytochrome c oxidase (C c O) from Rhodobacter sphaeroides was investigated by
modulated excitation surface-enhanced infrared-absorption spectroscopy (SEIRAS) …

Domain-specific stabilization of structural and dynamic responses of human serum albumin by sucrose

V Mohan, B Sengupta, N Das… - Protein and Peptide …, 2019 - ingentaconnect.com
Background: Human Serum Albumin (HSA) is the most abundant protein present in human
blood plasma. It is a large multi-domain protein with 585 amino acid residues. Due to its …

Imagerie holographique numérique dans l'infrarouge moyen en milieu aqueux

M Beurrier-Bousquet - 2023 - theses.hal.science
L'analyse par spectroscopie vibrationnelle telle que la spectroscopie infrarouge à
transformée de Fourier (FTIR) est une technique d'analyse de référence pour déterminer la …