نتایج جستجو برای: raman spectrum

تعداد نتایج: 256423  

2017
Arno Germond Vipin Kumar Taro Ichimura Jerome Moreau Chikara Furusawa Hideaki Fujita Tomonobu M Watanabe

Scientists are always on the lookout for new modalities of information which could reveal new biological features that are useful for deciphering the complexity of biological systems. Here, we introduce Raman spectroscopy as a prime candidate for ecology and evolution. To encourage the integration of this microscopy technique in the field of ecology and evolution, it is crucial to discuss first...

Journal: :REVISTA IPT TECNOLOGIA E INOVAÇÃO 2018

Journal: :Chemical communications 2014
Yasuhiko Fujita Rie Chiba Gang Lu Noriko N Horimoto Shinji Kajimoto Hiroshi Fukumura Hiroshi Uji-i

A chemically synthesized silver nanowire was used for atomic-resolution STM imaging and tip-enhanced Raman scattering (TERS) spectroscopy, yielding excellent reproducibility. This TERS tip will open a new venue to surface analysis, such as molecular finger printing at nanoscales.

Micro-Raman spectroscopy is recently advocated to be used for the identification of organic mediums of paintings although it is mainly used for identifying artists’ pigments. The current paper presents an effort for estimating the feasibility of micro-Raman spectroscopy for identifying Persian binding mediums used in historical paintings. To do so, samples were prepared in two main groups based...

2015

The vibrational properties of single-walled carbon nanotubes reflect the. A common characteristic of the Raman spectra in nanotubes and graphite is the.Resonance Raman spectroscopymicroscopy was used to study individualized single-walled carbon nanotubes. SWNTs both in aqueous suspensions as well.The use of Raman spectroscopy to reveal the remarkable structure and the unusual electronic and. Do...

2002
Karen E. Shafer-Peltier Abigail S. Haka Maryann Fitzmaurice Joseph Crowe Jonathan Myles Ramachandra R. Dasari Michael S. Feld

Raman spectroscopy has the potential to provide real-time, in situ diagnosis of breast cancer during needle biopsy or surgery via an optical fiber probe. Understanding the chemical/morphological basis of the Raman spectrum of breast tissue is a necessary step in developing Raman spectroscopy as a tool for in situ breast cancer diagnosis. To understand the relationship between the Raman spectrum...

Journal: :Science 1973
K J Rothschild I M Asher E Anastassakis H E Stanley

Raman spectroscopy is applied for the first time to elucidate the different conformations of the carrier transport molecule, valinomycin. Splitting of the ester and amide carbonyl stretch vibrations is observed in the Raman spectrum of crystals of valinomycin grown from both n-octane and acetone. These observations support the contention that some ester carbonyl groups are intramolecularly hydr...

2012
Simantini Nayak P. Ulrich Biedermann Martin Stratmann Andreas Erbe

1 Experimental vibrational frequencies of reference compounds 1.1 Oxygen-containing species 1.1.1 Raman spectra of KO2 and O2 Stable superoxides can be used to check the vibrational frequencies obtained from DFT calculations. To that end, the Raman spectrum of KO2 powder (ABCR, Karlsruhe, Germany) on a Si wafer was recorded using a Horiba Labram 2 confocal Raman microscope with 633 nm excitatio...

Journal: :The Journal of Chemical Physics 1935

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