Optical biopsy identification and grading of gliomas using label-free visible resonance Raman spectroscopy

Y Zhou, CH Liu, B Wu, X Yu, G Cheng… - … of biomedical optics, 2019 - spiedigitallibrary.org
Glioma is one of the most refractory types of brain tumor. Accurate tumor boundary
identification and complete resection of the tumor are essential for glioma removal during …

Electron photodetachment dissociation for structural characterization of synthetic and bio‐polymer anions

R Antoine, J Lemoine, P Dugourd - Mass Spectrometry …, 2014 - Wiley Online Library
Tandem mass spectrometry (MS‐MS) is a generic term evoking techniques dedicated to
structural analysis, detection or quantification of molecules based on dissociation of a …

Tryptophan switch for a photoactivated platinum anticancer complex

JS Butler, JA Woods, NJ Farrer… - Journal of the …, 2012 - ACS Publications
The octahedral PtIV complex trans, trans, trans-[Pt (N3) 2 (OH) 2 (py) 2](1) is potently
cytotoxic to cancer cells when irradiated with visible (blue) light. We show that the acute …

SERS activity and spectroscopic properties of Zn and ZnO nanostructures obtained by electrochemical and green chemistry methods for applications in biology and …

E Proniewicz, A Tąta, A Wójcik, M Starowicz… - Physical Chemistry …, 2020 - pubs.rsc.org
This work for the first time evaluates the ability of homogeneous, stable, and pure zinc oxide
nanoparticles (ZnONPs-GS) synthesized by “green chemistry”–an environmentally friendly …

Nitric oxide synthase stabilizes the tetrahydrobiopterin cofactor radical by controlling its protonation state

S Stoll, Y NejatyJahromy, JJ Woodward… - Journal of the …, 2010 - ACS Publications
Nitric oxide synthase (NOS), a homodimeric enzyme with a flavin reductase domain and a
P450-type heme-containing oxygenase domain, catalyzes the formation of NO from l …

The color of cation-π interactions: subtleties of amine-tryptophan interaction energetics allow for radical-like visible absorbance and fluorescence

LJ Juszczak, AS Eisenberg - Journal of the American Chemical …, 2017 - ACS Publications
Several peptides and a protein with an inter-or intramolecular cation-π interaction between
tryptophan (Trp) and an amine cation are shown to absorb and fluoresce in the visible …

Hydrogen bonding and solvent polarity markers in the UV resonance Raman spectrum of tryptophan: application to membrane proteins

DE Schlamadinger, JE Gable… - The Journal of Physical …, 2009 - ACS Publications
Ultraviolet resonance Raman (UVRR) spectra of tryptophan compounds in various solvents
and a model peptide are presented and reveal systematic changes that reflect solvent …

[HTML][HTML] A pilot study for distinguishing basal cell carcinoma from normal human skin tissues using visible resonance Raman spectroscopy

C Liu, B Wu, LA Sordillo, S Boydston-White… - Journal of Cancer …, 2019 - oaepublish.com
Aim: The aim of the study is to test visible resonance Raman (VRR) spectroscopy for rapid
skin cancer diagnosis, and evaluate its effectiveness as a new optical biopsy method to …

Spectroscopic comparison of photogenerated tryptophan radicals in azurin: effects of local environment and structure

HS Shafaat, BS Leigh, MJ Tauber… - Journal of the American …, 2010 - ACS Publications
Tryptophan radicals play a significant role in mediating biological electron transfer. We
report the photogeneration of a long-lived, neutral tryptophan radical (Az48W•) from the …

Surface Enhanced Raman Scattering Selectivity in Proteins Arises from Electron Capture and Resonant Enhancement of Radical Species

S Sloan-Dennison, CM Zoltowski… - The Journal of …, 2020 - ACS Publications
Plasmon-enhanced Raman scattering is a powerful approach to detecting and
characterizing proteins in live and dynamic biological systems. However, the selective …