نتایج جستجو برای: near infra red spectroscopy

تعداد نتایج: 554172  

Journal: :IEEE Access 2021

This paper proposes a new framework to detect, segment, and estimate the localization of eyes from periocular Near-Infra-Red iris image under alcohol consumption. stage will take part in final solution measure fitness for duty. Fitness systems allow us determine whether person is physically or psychologically able perform their tasks. Our segmentation based on an object detector trained scratch...

2012
G Sankari E Krishnamoorthy S Jayakumaran S Gunasekaran Vishnu Priya S Subramaniam Krishna Mohan

Fourier Transform Infra Red (FTIR) Spectroscopy is a non-invasive, reagent free diagnostic tool in the analysis of biological fluids. The results can be best employed in the qualitative and quantitative investigation of biological fluids. Multiple myeloma is a disorder in which malignant plasma cells accumulate in bone marrow and produce excess immunoglobulin that leads to many complications. T...

2006
François Farges Karim Benzerara Gordon E. Brown

XAFS and μ-XAFS spectra were collected at the Cu K-edge for seven chrysocolla samples (Peru, USA, and Congo). The results suggest that that the local structure around Cu is similar to that in Cu(OH)2 (spertiniite). Cu-L3 STXM imaging and spectroscopy confirm that the chrysocolla samples examined here consist of mesoscopic Cu(II)-rich domains surrounded by Si-rich domains (in agreement with resu...

Journal: :Physical chemistry chemical physics : PCCP 2016
Valeria Lepere Katia Le Barbu-Debus Carine Clavaguéra Debora Scuderi Giovanni Piani Anne-Laure Simon Fabien Chirot Luke MacAleese Philippe Dugourd Anne Zehnacker

Ion mobility experiments are combined with Infra-Red Multiple Photon Dissociation (IRMPD) spectroscopy and quantum chemical calculations for assessing the role of chirality in the structure of protonated and sodiated di- or tetra-peptides. Sodiated systems show a strong chirality dependence of the competition between Na(+)O and Na(+)π interactions. Chirality effects are more subtle in protonate...

2015
Puteri Amelia Berna Elya Muhammad Hanafi

A xanthone, 1,3,6,7-tetrahydroxy-xanthone (compound (1)) had been isolated from Garcinia benthami Pierre. The isolation was conducted through the chromatography technique and spectroscopy methods by spectroscophyc: mass spectrometry (LC-MS), infra red (IR), UV, 1H-NMR, 13C-NMR (1D and 2D-NMR). Antioxidant activity test by using DPPH (1,1diphenyl-2-picrylhydrazyl) method from the isolated compou...

1995
P. M. Ferreira I. Jack D. R. T. Jones

We show that in a special class of theories the commonly assumed universal form of the soft supersymmetry–breaking terms is approached in the infra–red limit. The resulting universal scalar mass and trilinear coupling are predicted in terms of the gaugino mass.

Journal: :Journal of the Mining and Metallurgical Institute of Japan 1969

Journal: :The Journal of the Society of Chemical Industry, Japan 1958

2004
U. B. Desai

Infrared radiations are radiations below (infra) visible spectrum. This emergent dual use technology field is fast emerging amongst the most ubiquitous ones. It spans from low-end automatic supermarket door openers to high-end space based detectors used to detect nuclear tests, missiles and intra galactic radiations. At the heart of this technology is the IR detector. Objective of this report i...

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