Results 21 to 30 of about 24,337,042 (308)

Classification of deep-sea cold seep bacteria by transformer combined with Raman spectroscopy

Scientific Reports, 2023
Raman spectroscopy is a rapid analysis method of biological samples without labeling and destruction. At present, the commonly used Raman spectrum classification models include CNN, RNN, etc.
Bo Liu, Kunxiang Liu, Xiaoqing Qi, Weijia Zhang, Bei Li   +4 more
doaj   +1 more source

Novel exploration of Raman microscopy and non-linear optical imaging in adenomyosis

Frontiers in Medicine, 2022
BackgroundAdenomyosis is a common gynecological disease in women. A relevant literature search found that approximately 82% of patients with adenomyosis chose to undergo hysterectomy.
Zhuowei Shen, Yingying He, Zhuoyi Shen, Xuefei Wang, Yang Wang, Zhengyu Hua, Nan Jiang, Zejiang Song, Rui Li, Zhen Xiao   +9 more
doaj   +1 more source

The Effect of Noise in Raman Spectra on the Reconstruction of the Concentration of Amino Acids in the Mixture by Multivariate Curve Resolution (MCR) Analysis

Journal of Biomedical Photonics & Engineering, 2021
Changes in the concentration of free amino acids in biological tissues is a sign of impaired protein metabolism in patients with cancer. Recently, Raman spectroscopy has been used for early diagnostics of oncological diseases.
Irina A. Matveeva, Lyudmila A. Bratchenko, Oleg O. Myakinin, Elena N. Tupikova, Valery P. Zakharov   +4 more
doaj   +1 more source

Analysis of Cervical Cancer Tissue Using Raman Spectroscopy

Buletin Fisika, 2022
Cervical cancer tissue analysis has been carried out using Raman Spectroscopy. The purpose of this study was to determine the effect of differences in power level and exposure time on the Raman spectrum pattern and to determine the power level and ...
Rio Saputra, Ida Bagus Made Suryatika, Nyoman Wendri   +2 more
doaj   +1 more source

Reference Raman Spectrum and Mapping of Cryptosporidium parvum Oocysts [PDF]

, 2022
Cryptosporidium parvum is a protozoan parasite and among the most infectious diarrhea-causing pathogens, leading to severe health problems for malnourished children and immunocompromised individuals.
Tobias Dahlberg, Rasmus Öberg, Malyshev, Dmitry, Dahlberg, Tobias,, Lars Landström, Magnus Andersson, Landström, Lars, Dahlberg, Tobias, Malyshev, Dmitry,, Andersson, Magnus,, Öberg, Rasmus, Dmitry Malyshev, Öberg, Rasmus,, Andersson, Magnus, Landström, Lars,   +14 more
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Effect of Fe Content on Raman Spectral Characteristics of Dolomite

Yankuang ceshi, 2023
BACKGROUNDDolomite is a common carbonate mineral in sedimentary rocks, and dolomite rock serves as an important reservoir rock for oil and gas. However, the production of synthetic dolomite under normal temperature and pressure is not yet possible, the ...
Jiang PANG, Yeyu ZHANG, Yi HUANG, Haibo WANG, Hu LIU, Daifu WANG, Jiyao FANG   +6 more
doaj   +1 more source

Symmetry of the Optical Phonons in LuVO₄: A Raman Study

Crystals, 2020
A thorough analysis of the first-order vibrational spectrum of LuVO4 is presented by using polarized micro-Raman spectroscopy with special focus on the phonon modes with the weakest intensity and occasional controversial assignment. Group-theory analysis
Peter Rafailov, Dimitre Dimitrov, Yen-Fu Chen, Chi-Shen Lee, Jenh-Yih Juang   +4 more
doaj   +1 more source

Permeation Effect Analysis of Drug Using Raman Spectroscopy for Iontophoresis

Applied Sciences, 2022
Iontophoresis technology could improve the efficiency of transdermal drug delivery through the skin and be a promising prospective tool for clinical drug therapy in the near future.
Jiachen Bi, Shuyang Li, Xiang Bao, Na Chen, Kai Fan, Shupeng Liu   +5 more
doaj   +1 more source

Identification of microplastic fibres released from COVID-19 test swabs with Raman imaging

Environmental Sciences Europe, 2023
Background COVID-19 pandemic is not yet over, and it has been generating lots of plastic wastes that become a big concern. To catch the virus, for example, no matter via antigen or PCR test, swab is generally used for sampling.
Cheng Fang, Yunlong Luo, Clarence Chuah, Ravi Naidu   +3 more
doaj   +1 more source

Broadening of the ν₂ Raman Band of CH₄ by C₃H₈ and C₄H₁₀

Molecules, 2023
Raman spectroscopy is a promising method for the analysis of natural gas. It is necessary to account for the broadening effects on spectral lines to improve measurement accuracy.
Aleksandr S. Tanichev, Dmitry V. Petrov
doaj   +1 more source