Investigations of Protein Fiber Structures and the Interactions at Their Interfaces Using Nonlinear Optical Spectroscopy
PKA Johansson - 2018 - digital.lib.washington.edu
… , fundamental nonlinear optical properties of type I collagen … chiral signals in the amide I
region, while β-sheets produce … Studies of amyloid structures with coherent second-order optical …
region, while β-sheets produce … Studies of amyloid structures with coherent second-order optical …
Vibrational sum-frequency scattering as a sensitive approach to detect structural changes in collagen fibers treated with surfactants
PK Johansson, DG Castner - Langmuir, 2019 - ACS Publications
… molecular origin of the second-order susceptibility of type I collagen … in the amide I region
are sensitive toward the fiber structure … We showed that, for randomly oriented fibers, the chiral …
are sensitive toward the fiber structure … We showed that, for randomly oriented fibers, the chiral …
[HTML][HTML] Polarimetric measurements of surface chirality based on linear and nonlinear light scattering
… direction of the second-order nonlinear polarization flipped (… , it is concluded that the chirality
is originated from the twisted … to NH stretch and amide I bands to distinguish parallel from …
is originated from the twisted … to NH stretch and amide I bands to distinguish parallel from …
[PDF][PDF] Imaging the nonlinear susceptibility tensor of collagen by nonlinear optical stokes ellipsometry
XY Dow, EL DeWalt, SZ Sullivan, PD Schmitt… - Biophysical journal, 2016 - cell.com
… The local-frame second-order … š2Ž zzz , cš2Ž zxx, and cš2Ž xxz are strongly preferred to the
chiral element, … used as a model system for the amide bonds within proteins. The symmetry …
chiral element, … used as a model system for the amide bonds within proteins. The symmetry …
[HTML][HTML] Polarization resolved second harmonic microscopy
… second-order susceptibility of non-centrosymmetric structures, … molecular structure and
orientation, 3-D structural chirality by … of anisotropic and chiral properties from collagen type-I are …
orientation, 3-D structural chirality by … of anisotropic and chiral properties from collagen type-I are …
Effect of out of plane orientation on polarization second harmonic generation of single collagen fibrils
… chirality of all SHG emitters within the focal volume [23] and ${\mathrm{\chi}^{(2 )}}$ is the
second order … for the field of nonlinear optical microscopy as the origin of chiral contributions to …
second order … for the field of nonlinear optical microscopy as the origin of chiral contributions to …
On probing conformation of microtubules by second-harmonic generation
D Sharoukhov, H Lim - Journal of Modern Optics, 2016 - Taylor & Francis
… of chiral molecules, the only non-vanishing second-order … origin of SHG from type I
collagen is known to be the amide … We tested the second-order tensor analysis for detecting …
collagen is known to be the amide … We tested the second-order tensor analysis for detecting …
Polarimetric second-harmonic generation microscopy of partially oriented fibers I: Digital modeling
M Alizadeh, S Krouglov, V Barzda - Biophysical Journal, 2023 - cell.com
… The chiral contribution to the second-order optical nonlinearity in collagen fibrils originates
… to orientational chirality at amide chromophores within individual collagen molecules, not to …
… to orientational chirality at amide chromophores within individual collagen molecules, not to …
Misfolding of a human islet amyloid polypeptide at the lipid membrane populates through β-sheet conformers without involving α-helical intermediates
… -sensitive chiral amide I and achiral amide II and amide III spectral … SFG-VS, a second-order
nonlinear optical technique, is a … N–H signals originated from the β-sheet structure, rather …
nonlinear optical technique, is a … N–H signals originated from the β-sheet structure, rather …
Which Information Can Be Obtained from Collagen-Based Tissues Imaged with Polarization-Sensitive Second Harmonic Microscopy?
… [11], and to investigate its chiral nature and second-order nonlinearity [12]. In this work we
review … Structural origins of quiral second-order optical nonlinearity in collagen: Amide I band, …
review … Structural origins of quiral second-order optical nonlinearity in collagen: Amide I band, …