Results 21 to 30 of about 49,991 (265)

A Review of Raman-Based Technologies for Bacterial Identification and Antimicrobial Susceptibility Testing

open access: yesPhotonics, 2022
Antimicrobial resistance (AMR) is a global medical threat that seriously endangers human health. Rapid bacterial identification and antimicrobial susceptibility testing (AST) are key interventions to combat the spread and emergence of AMR.
Weifeng Zhang   +3 more
doaj   +1 more source

Lowering backward Raman and Brillouin scattering in waveguide Raman wavelength converters

open access: yesJournal of the European Optical Society-Rapid Publications, 2017
Background Liquid filled hollow core fiber Raman wavelength converters are devices enabling to red-shift the wavelength of laser beams delivered by either fixed wavelength or tunable lasers. Most of the reported converters operate in a pulsed regime with
Min Châu Phan Huy   +7 more
doaj   +1 more source

Optimization of electron Raman scattering in double rectangular quantum wells [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization, 2013
In this work, by using the particle swarm optimization the electron Raman scattering for square double quantum wells is optimized. For this purpose, by combining the particle swarm algorithm together with the numerical solution procedures for equations ...
A. Keshavarz, N. Zamani
doaj   +1 more source

Nanomaterials for Surface Enhanced Raman Spectroscopy

open access: yesNanomaterials, 2023
For many decades, Raman spectroscopy has been disregarded as an ineffective analytical tool because of the very low efficiency of “normal” Raman scattering (the typical cross-section for Raman scattering is about 11 and 8 orders of magnitude smaller than
Andrzej Kudelski
doaj   +1 more source

Strategies and Progress of Raman Technologies for Cellular Uptake Analysis of the Drug Delivery Systems

open access: yesInternational Journal of Nanomedicine, 2023
Yajuan Liu,1 Mei Li,2 Haisha Liu,2 Chao Kang,2 Xiyong Yu1 1Key Laboratory of Molecular Target & Clinical Pharmacology, and the NMPA & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital ...
Liu Y, Li M, Liu H, Kang C, Yu X
doaj  

Enhanced Raman Scattering by Molecular Nanoaggregates

open access: yesNanomaterials and Nanotechnology, 2014
The formation of a molecular aggregate in a confined, nanodimensioned region of space leads to what might be termed a ‘molecular nanoaggregate’. The present review deals with a theoretical formulation termed ‘aggregation-enhanced Raman scattering’ (AERS),
Daniel L. Akins
doaj   +1 more source

Coherent Anti-Stokes Hyper-Raman Spectroscopy

open access: yesNature Communications
Coherent Raman scattering spectroscopies have been established as a powerful tool for investigating molecular systems with high chemical specificity. The existing coherent Raman scattering techniques detect only Raman active modes, which are a part of ...
Kazuki Inoue, Masanari Okuno
doaj   +1 more source

UiO‐66 metal–organic frameworks in biomedicine: From structural tunability to bioimaging, photodiagnostics, and photodynamic cancer therapy

open access: yesFEBS Open Bio, EarlyView.
UiO‐66(Zr) metal–organic frameworks are chemically stable, biocompatible, and highly tunable nanomaterials. Their modular structure enables controlled drug delivery, multimodal bioimaging, and light‐activated photodynamic therapy, supporting integrated diagnostic and therapeutic (theranostic) applications in cancer and biomedical research.
Veronika Huntošová   +2 more
wiley   +1 more source

Cavity-enhanced Raman microscopy of individual carbon nanotubes

open access: yesNature Communications, 2016
Enhancement techniques are a viable route to improve the intrinsically weak Raman scattering intensity. Here the authors demonstrate Purcell enhancement of Raman scattering in a tunable, high-finesse microcavity and use it for Raman imaging of individual
Thomas Hümmer   +5 more
doaj   +1 more source

Adenosine triphosphate as a modulator of protein interactions and stability

open access: yesFEBS Open Bio, EarlyView.
ATP is best known as the cell's energy currency, but it also shapes how proteins fold, interact, aggregate and form biomolecular condensates. This review explains the emerging physical principles behind these effects, including weak binding to charged protein regions, magnesium‐dependent behaviour and concentration‐dependent control of protein ...
Shuyuan Tan, Robin Curtis
wiley   +1 more source

Home - About - Disclaimer - Privacy