Comparing mapping and direct hyperspectral imaging in stand-off Raman spectroscopy for remote material identification [0.03%]
比较离散拉曼光谱学中映射和直接高光谱成像在远程材料识别中的应用
Christoph Gasser,María González-Cabrera,María José Ayora-Cañada et al.
Christoph Gasser et al.
Stand-off Raman spectroscopy offers a highly selective technique to probe unknown substances from a safe distance. Often, it is necessary to scan large areas of interest. This can be done by pointwise imaging (PI), that is, spectra are sequ...
Infrared and Raman spectra of lignin substructures: Coniferyl alcohol, abietin, and coniferyl aldehyde [0.03%]
愈创木基醇、紫杉酸和愈创木基甲醛亚结构的红外及拉曼光谱分析
Peter Bock,Notburga Gierlinger
Peter Bock
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. Yet to understand the spectra, the bands have to be assi...
Biochemical fingerprint of colorectal cancer cell lines using label-free live single-cell Raman spectroscopy [0.03%]
基于无标签活细胞拉曼光谱的结直肠癌细胞系生化指纹研究
Julia Gala de Pablo,Fern J Armistead,Sally A Peyman et al.
Julia Gala de Pablo et al.
Label-free live single-cell Raman spectroscopy was used to obtain a chemical fingerprint of colorectal cancer cells including the classification of the SW480 and SW620 cell line model system, derived from primary and secondary tumour cells ...
Conformational Differentiation of α-Cyanohydroxycinnamic Acid Isomers: A Raman Spectroscopic Study [0.03%]
α-氰基羟基肉桂酸异构体的构象差异：拉曼光谱研究
Jayson Vedad,Maciej E Domaradzki,Elmer-Rico E Mojica et al.
Jayson Vedad et al.
Two α-cyanohydroxycinnamic acid positional isomers, α-cyano-4-hydroxycinnamic acid (CHCA4) and α-cyano-3-hydroxycinnamic acid (CHCA3), were characterized using Raman spectroscopy. We analyzed the implications of the collected Raman spect...
Bioconjugated graphene oxide-based Raman probe for selective identification of SKBR3 breast cancer cells [0.03%]
用于选择性识别SKBR3乳腺癌细胞的生物连接石墨烯氧化物拉曼探针
Afua A Antwi-Boasiako,Derrick Dunn,Samuel S R Dasary et al.
Afua A Antwi-Boasiako et al.
In this article, we demonstrate the use of bio-conjugated 2D graphene oxide (bio-GO) nanostructure to probe breast cancer cell (SKBR3) with excellent discrimination over other types of circulating tumor cells. We distinctly observed that bi...
A machine learning framework to analyze hyperspectral stimulated Raman scattering microscopy images of expressed human meibum [0.03%]
一种分析表达的人类梅勃膜的超光谱刺激拉曼散射显微图像的机器学习框架
Alba Alfonso-García,Jerry Paugh,Marjan Farid et al.
Alba Alfonso-García et al.
We develop and discuss a methodology for batch-level analysis of hyperspectral stimulated Raman scattering (hsSRS) data sets of human meibum in the CH-stretching vibrational range. The analysis consists of two steps. The first step uses a t...
Quantitative, Comparable Coherent Anti-Stokes Raman Scattering (CARS) Spectroscopy: Correcting Errors in Phase Retrieval [0.03%]
可定量、可比较的相干反斯托克斯拉曼散射光谱：相位检索误差校正
Charles H Camp Jr,Young Jong Lee,Marcus T Cicerone
Charles H Camp Jr
Coherent anti-Stokes Raman scattering (CARS) microspectroscopy has demonstrated significant potential for biological and materials imaging. To date, however, the primary mechanism of disseminating CARS spectroscopic information is through p...
Mirrored stainless steel substrate provides improved signal for Raman spectroscopy of tissue and cells [0.03%]
镜面不锈钢基底可改善组织和细胞拉曼光谱信号
Aaran T Lewis,Riana Gaifulina,Martin Isabelle et al.
Aaran T Lewis et al.
Raman spectroscopy (RS) is a powerful technique that permits the non-destructive chemical analysis of cells and tissues without the need for expensive and complex sample preparation. To date, samples have been routinely mounted onto calcium...
Phase-Specific Raman Analysis of n-Alkane Melting by Moving-Window Two-Dimensional Correlation Spectroscopy [0.03%]
基于移动窗口二维相关光谱的正构烷烃熔化过程拉曼相位解析
Ying Jin,Anthony P Kotula,Angela R Hight Walker et al.
Ying Jin et al.
We use moving-window two-dimensional correlation spectroscopy (MW-2DCOS) for phase-specific Raman analysis of the n-alkane (C21H44) during melting from the crystalline solid phase to the intermediate rotator phase and to the amorphous molte...
Polarized Raman Spectroscopy for Determining the Orientation of di-D-phenylalanine Molecules in a Nanotube [0.03%]
用于确定纳米管中双D型苯丙氨酸分子取向的拉曼光谱法
Valentin Sereda,Nicole M Ralbovsky,Milana C Vasudev et al.
Valentin Sereda et al.
Self-assembly of short peptides into nanostructures has become an important strategy for the bottom-up fabrication of nanomaterials. Significant interest to such peptide-based building blocks is due to the opportunity to control the structu...