Results 31 to 40 of about 1,928,738 (354)

Use of Handheld Raman Spectroscopy for Intraoperative Differentiation of Normal Brain Tissue From Intracranial Neoplasms in Dogs

open access: yesFrontiers in Veterinary Science, 2022
The aim of this study was to assess feasibility and accuracy of a hand-held, intraoperative Raman spectroscopy device as a neuronavigation aid to accurately detect neoplastic tissue from adjacent normal gray and white matter.
Caitlin E. Doran   +3 more
doaj   +1 more source

Infrared and Raman spectra of lignin substructures: Coniferyl alcohol, abietin, and coniferyl aldehyde

open access: yesJournal of Raman Spectroscopy, 2019
Anatomical and chemical information can be linked by Raman imaging. Behind every pixel of the image is a Raman spectrum, which contains all the information as a molecular fingerprint.
Peter Bock, N. Gierlinger
semanticscholar   +1 more source

Raman Imaging of Plant Cell Walls in Sections of Cucumis sativus

open access: yesPlants, 2018
Raman microspectra combine information on chemical composition of plant tissues with spatial information. The contributions from the building blocks of the cell walls in the Raman spectra of plant tissues can vary in the microscopic sub-structures of the
Ingrid Zeise   +5 more
doaj   +1 more source

Fused Raman spectroscopic analysis of blood and saliva delivers high accuracy for head and neck cancer diagnostics

open access: yesScientific Reports, 2022
As a rapid, label-free, non-destructive analytical measurement requiring little to no sample preparation, Raman spectroscopy shows great promise for liquid biopsy cancer detection and diagnosis.
Hanna J. Koster   +5 more
doaj   +1 more source

The spectroscopic detection of exogenous material in fingerprints after development with powders and recovery with adhesive lifters [PDF]

open access: yes, 2008
The application of powders to fingerprints has long been established as an effective and reliable method for developing latent fingerprints. The powders adhere to the ridge pattern of the fingerprint only, thus allowing the image to be visualised ...
West, M.J., Went, Michael J.
core   +1 more source

Raman Spectra Characteristics of Fluid Inclusion in the Shaanxi Formation of the Dingbian Area in the Ordos Basin

open access: yesYankuang ceshi, 2015
Raman Spectroscopy is an important means of non-destructive fluid inclusions analysis. Composition of fluid inclusions in quartz from the Shaanxi formation of the Dingbian area in the Ordos Basin was determined by the Raman technique.
LI Yan-xia, YAN Xin-yi, TIAN Yu-feng
doaj   +1 more source

Classifying Raman spectra of extracellular vesicles based on convolutional neural networks for prostate cancer detection

open access: yesJournal of Raman Spectroscopy, 2019
Since early 2000s, machine learning algorithms have been widely used in many research and industrial fields, most prominently in computer vison. Lately, many fields of study have tried to use these automated methods, and there are several reports from ...
Wooje Lee   +3 more
semanticscholar   +1 more source

Raman Spectroscopic Study of Five Typical Plasticizers Based on DFT and HF Theoretical Calculation

open access: yesFoods, 2023
Phthalic acid esters (PAEs) are the most commonly used plasticizers, and long-term or high levels of exposure to PAEs have a huge potential risk to human health.
Tong Sun   +3 more
doaj   +1 more source

Rapid identification of pathogenic bacteria using Raman spectroscopy and deep learning

open access: yesNature Communications, 2019
The use of Raman spectroscopy for pathogen identification is hampered by the weak Raman signal and phenotypic diversity of bacterial cells. Here the authors generate an extensive dataset of bacterial Raman spectra and apply deep learning to identify ...
Chi-Sing Ho   +9 more
doaj   +1 more source

Application of the Dynamical Network Biomarker Theory to Raman Spectra

open access: yesBiomolecules, 2022
The dynamical network biomarker (DNB) theory detects the early warning signals of state transitions utilizing fluctuations in and correlations between variables in complex systems.
Takayuki Haruki   +13 more
doaj   +1 more source

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