pH modulates amyloid-β42 conformation in lipid membranes: evidence from circular dichroism, Raman spectroscopy, and molecular dynamics simulations. - Abdeljawaad KAA; Arynbek Y; Mamatkulov K; Duc Le H; Ibrahim MAA; Mekhemer GAH; Arzumanyan G (Journal of biomolecular structure & dynamics, 2026)