Self-assembled stereomutation with supramolecular chirality inversion

G Liu, MG Humphrey, C Zhang, Y Zhao - Chemical Society Reviews, 2023 - pubs.rsc.org
Supramolecular chirality is involved not only in biological events such as gene
communication, replication, and enzyme catalysis but also in artificial self-assembly systems …

Infrared and Raman chemical imaging and spectroscopy at the nanoscale

D Kurouski, A Dazzi, R Zenobi… - Chemical Society Reviews, 2020 - pubs.rsc.org
The advent of nanotechnology, and the need to understand the chemical composition at the
nanoscale, has stimulated the convergence of IR and Raman spectroscopy with scanning …

Lipids uniquely alter the secondary structure and toxicity of amyloid beta 1–42 aggregates

K Zhaliazka, M Matveyenka, D Kurouski - The FEBS journal, 2023 - Wiley Online Library
Abrupt aggregation of amyloid β1‐42 (Aβ) peptide is a hallmark of Alzheimer's disease (AD),
a severe pathology that affects more than 44 million people worldwide. A growing body of …

Exploring the structure and formation mechanism of amyloid fibrils by Raman spectroscopy: a review

D Kurouski, RP Van Duyne, IK Lednev - Analyst, 2015 - pubs.rsc.org
Amyloid fibrils are β-sheet rich protein aggregates that are strongly associated with various
neurodegenerative diseases. Raman spectroscopy has been broadly utilized to investigate …

Lipids uniquely alter rates of insulin aggregation and lower toxicity of amyloid aggregates

M Matveyenka, S Rizevsky, JP Pellois… - Biochimica et Biophysica …, 2023 - Elsevier
Amyloid formation is a hallmark of many medical diseases including diabetes type 2,
Alzheimer's and Parkinson diseases. Under these pathological conditions, misfolded …

Structure of condensed phase peptides: insights from vibrational circular dichroism and Raman optical activity techniques

TA Keiderling - Chemical reviews, 2020 - ACS Publications
Peptides and proteins are naturally chiral molecular systems so that sensing their structure
and conformation with chirality-based spectral methods is an obvious and long-used …

Unsaturation in the fatty acids of phospholipids drastically alters the structure and toxicity of insulin aggregates grown in their presence

M Matveyenka, S Rizevsky… - The journal of physical …, 2022 - ACS Publications
Lipid bilayers play an important role in the pathological assembly of amyloidogenic proteins
and peptides. This assembly yields oligomers and fibrils, which are highly toxic protein …

Chirality induction and amplification in supramolecular systems exhibiting vibrational optical activity

A Kaczor - Physical Chemistry Chemical Physics, 2023 - pubs.rsc.org
Vibrational optical activity (VOA) refers to two vibrational techniques: vibrational circular
dichroism (VCD) and Raman optical activity (ROA) that are sensitive both to the chirality and …

The degree of unsaturation of fatty acids in phosphatidylserine alters the rate of insulin aggregation and the structure and toxicity of amyloid aggregates

M Matveyenka, S Rizevsky, D Kurouski - FEBS letters, 2022 - Wiley Online Library
Phosphatidylserine (PS) in the plasma membrane plays an important role in cell signaling
and apoptosis. Cell degeneration is also linked to numerous amyloid diseases, pathologies …

Length and unsaturation of fatty acids of phosphatidic acid determines the aggregation rate of insulin and modifies the structure and toxicity of insulin aggregates

M Matveyenka, S Rizevsky… - ACS Chemical …, 2022 - ACS Publications
Phosphatidic acid (PA) is a unique plasma membrane lipid that contains fatty acids (FAs)
with different lengths and degrees of unsaturation. Under physiological conditions, PA acts …