Results 21 to 30 of about 291 (135)

A label-free, fast and high-specificity technique for plant cell wall imaging and composition analysis

open access: yesPlant Methods, 2021
Background New cell wall imaging tools permit direct visualization of the molecular architecture of cell walls and provide detailed chemical information on wall polymers, which will aid efforts to use these polymers in multiple applications; however ...
Huimin Xu   +7 more
doaj   +1 more source

Interferometric Fourier transform Coherent anti-Stokes Raman Scattering

open access: yesOptics Express, 2006
We present an interferometric time-domain Fourier transform implementation of coherent anti-Stokes Raman scattering (CARS). Based on a single femtosecond laser source, the method provides a straight-forward scheme for obtaining high resolution CARS spectra.
Cui, M.   +3 more
openaire   +4 more sources

Coherent anti-Stokes Raman scattering microscopy of single nanodiamonds [PDF]

open access: yesNature Nanotechnology, 2014
Nanoparticles have attracted enormous attention for biomedical applications as optical labels, drug-delivery vehicles and contrast agents in vivo. In the quest for superior photostability and biocompatibility, nanodiamonds are considered one of the best choices due to their unique structural, chemical, mechanical and optical properties.
Pope, Iestyn   +7 more
openaire   +3 more sources

Background-free time-resolved coherent Raman spectroscopy (CSRS and CARS): Heterodyne detection of low-energy vibrations and identification of excited-state contributions

open access: yesAPL Photonics, 2019
Coherent Raman scattering (CRS) spectroscopy techniques have been widely developed and optimized for different applications in biomedicine and fundamental science. The most utilized CRS technique has been coherent anti-Stokes Raman scattering (CARS), and
Pavel V. Kolesnichenko   +2 more
doaj   +1 more source

Measurement-induced collective vibrational quantum coherence under spontaneous Raman scattering in a liquid

open access: yesNature Communications, 2023
Spontaneous vibrational Raman scattering is a ubiquitous form of light–matter interaction whose description necessitates quantization of the electromagnetic field.
Valeria Vento   +3 more
doaj   +1 more source

Coherent anti-Stokes Raman scattering microscopy

open access: yesThe Review of Laser Engineering, 2002
In this paper, new multiphoton microscopy using CARS (coherent anti-Stokes Raman scattering) spectroscopy is described. CARS microscopy has the features of non-staining molecular mapping by molecular vibration imaging and three-dimensional resolution by multiphoton process.
openaire   +3 more sources

Coherent anti-Stokes Raman spectroscopy of single and multi-layer graphene

open access: yesNature Communications, 2019
Coherent anti-Stokes Raman Scattering (CARS) accesses the vibrational properties of a material via nonlinear four-wave mixing (FWM); CARS in graphene has not been observed to date despite its high nonlinear third-order susceptibility.
A. Virga   +7 more
doaj   +1 more source

Coherent anti-Stokes Raman scattering imaging of lipids in cancer metastasis

open access: yesBMC Cancer, 2009
Background Lipid-rich tumours have been associated with increased cancer metastasis and aggressive clinical behaviours. Nonetheless, pathologists cannot classify lipid-rich tumours as a clinically distinctive form of carcinoma due to a lack of ...
Cheng Ji-Xin, Huff Terry B, Le Thuc T
doaj   +1 more source

Label‐Free Myelin Fingerprinting: An Adult Human Post‐Mortem Brain Slice Platform via Coherent Anti‐Stokes Raman Spectroscopy

open access: yesAdvanced Science, EarlyView.
A serum‐free, air–liquid interface organotypic slice culture model preserves human post‐mortem corpus callosum tissue, successfully recovering from slicing trauma to reflect the donor's underlying disease state. Pairing label‐free Coherent anti‐Stokes Raman scattering (CARS) microscopy with k‐means clustering enables objective, high‐resolution ...
Kasra Roya‐Kouchaki   +5 more
wiley   +1 more source

Waveguide-based optical parametric oscillator for coherent anti-Stokes Raman scattering [PDF]

open access: yesEPJ Web of Conferences
A Si3N4 waveguide-based optical parametric oscillator is presented that generates narrowband output pulses down to 1.44 nm and with up to 211 pJ pulse energy, allowing coherent Raman scattering spectroscopy and microscopy with sufficient spectral ...
Gao Ming   +2 more
doaj   +1 more source

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