نتایج جستجو برای: spectromicroscopy

تعداد نتایج: 304  

2015
Chithra Karunakaran Colleen R. Christensen Cedric Gaillard Rachid Lahlali Lisa M. Blair Vijayan Perumal Shea S. Miller Adam P. Hitchcock

Soft X-ray absorption spectroscopy coupled with nano-scale microscopy has been widely used in material science, environmental science, and physical sciences. In this work, the advantages of soft X-ray absorption spectromicroscopy for plant biopolymer research were demonstrated by determining the chemical sensitivity of the technique to identify common plant biopolymers and to map the distributi...

Journal: :Optics express 2016
Bosheng Zhang Dennis F Gardner Matthew H Seaberg Elisabeth R Shanblatt Christina L Porter Robert Karl Christopher A Mancuso Henry C Kapteyn Margaret M Murnane Daniel E Adams

We report a proof-of-principle demonstration of a new scheme of spectromicroscopy in the extreme ultraviolet (EUV) spectral range, where the spectral response of the sample at different wavelengths is imaged simultaneously. This scheme is enabled by combining ptychographic information multiplexing (PIM) with a tabletop EUV source based on high harmonic generation, where four spectrally narrow h...

Journal: :Oncology reports 2010
Kaiser Ali Todd Reichert Daniel Gomez Yanjie Lu Alexander Jan Colleen Christensen

Mid-infrared spectromicroscopy studies on biological tissue sections require accurate identification of tumor-bearing areas in histology-stained and infrared-unstained tissue sections. Concordance was achieved as follows: paired stained and unstained thin (5 microm) human brain tumor cryosections mounted on slides were scanned with a Nikon Coolscan 4000 film scanner at 4000 dpi, edited with Ado...

امیری, سمیه, خسروآبادی, حسین, رحیقی, جواد, غلام پورآژیر, اعظم, لامعی رشتی, محمد,

This paper describes day-one beamlines of the Iranian Light Source Facility and design concept of powder diffraction and spectromicroscopy beamlines as the most priorities of each synchrotron that cover the research requirements in the fields of physics, chemistry, nano-science, etc. For powder diffraction beamline energy range is 6-30 keV, resolution: 10-4, flux: 1012(ph/s/0.1%B.W.) and spot s...

Journal: :Materials advances 2022

Temperature-dependent Raman spectromicroscopy of rutile TiO 2 nanorods has been studied here to understand the effect thermal perturbations on different Raman-active phonon modes.

Journal: :پژوهش فیزیک ایران 0
اعظم غلام پورآژیر a gholampour azhir institute for research in fundamental sciences, iranian light source facility, tehranتهران، بزرگراه ارتش، پژوهشگاه دانش های بنیادی، طرح چشمه نور ایران سمیه امیری s amiri institute for research in fundamental sciences, iranian light source facility, tehranتهران، بزرگراه ارتش، پژوهشگاه دانش های بنیادی، طرح چشمه نور ایران حسین خسروآبادی h khosroabadi institute for research in fundamental sciences, iranian light source facility, tehranتهران، بزرگراه ارتش، پژوهشگاه دانش های بنیادی، طرح چشمه نور ایران جواد رحیقی j rahighi institute for research in fundamental sciences, iranian light source facility, tehranتهران، بزرگراه ارتش، پژوهشگاه دانش های بنیادی، طرح چشمه نور ایران محمد لامعی رشتی m lamehi rachti institute for research in fundamental sciences, iranian light source facility, tehranتهران، بزرگراه ارتش، پژوهشگاه دانش های بنیادی، طرح چشمه نور ایران

this paper describes day-one beamlines of the iranian light source facility and design concept of powder diffraction and spectromicroscopy beamlines as the most priorities of each synchrotron that cover the research requirements in the fields of physics, chemistry, nano-science, etc. for powder diffraction beamline energy range is 6-30 kev, resolution: 10-4, flux: 1012(ph/s/0.1%b.w.) and spot s...

1997
Gelsomina De Stasio G. Margaritondo

We show that photoelectron spectromicroscopy with synchrotron radiation has been successfully exported from materials science to the life sciences. The transfer is well beyond mere feasibility tests. Photoelectron spectromicroscopy is in fact used for real, long-term studies in neurobiology. Specific examples are discussed, first to see in practice some applications to microchemical analysis of...

2000
S. Kimura T. Nanba T. Sada M. Okuno M. Matsunami K. Shinoda H. Kimura T. Moriwaki M. Yamagata Y. Kondo Y. Yoshimatsu T. Takahashi K. Fukui T. Kawamoto T. Ishikawa

At the BL43IR of SPring-8, infrared microanalysis on various kinds of solid specimens under multiple environments with a spatial resolution smaller than 10mm in diameter is planned in the infrared region. In order to perform such analysis, two different stations, a multipurpose spectromicroscopy apparatus and a magneto-optical imaging one have been constructed. Measurements on the spatial two-d...

Journal: :Journal of biological physics 2003
H-Y N Holman M C Martin W R McKinney

Synchrotron radiation-based Fouriertransform infrared (SR-FTIR)spectromicroscopy is a newly emergingbioanalytical and imaging tool. This uniquetechnique provides mid-infrared (IR)spectra, hence chemical information, withhigh signal-to-noise at spatial resolutionsas fine as 3 to 10 microns. Thus it enablesresearchers to locate, identify, and trackspecific chemical events within anindividual livi...

2002
Hoi-Ying N. Holman Michael C. Martin Wayne R. McKinney

Synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectromicroscopy is a newly emerging bioanalytical and imaging tool. This unique technique provides mid-infrared (IR) spectra, hence chemical information, with high signal-to-noise at spatial resolutions as fine as 3 to 10 microns. Thus it enables researchers to locate, identify, and track specific chemical events within an indiv...

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