نتایج جستجو برای: bio spectroscopy

تعداد نتایج: 230479  

2013
Matteo Gatti Francesco Sottile

Matteo Gatti1,2,3,4 and Francesco Sottile1,2 1Laboratoire des Solides Irradiés, École Polytechnique, CNRS-CEA/DSM, F-91128 Palaiseau, France 2European Theoretical Spectroscopy Facility (ETSF) 3Nano-Bio Spectroscopy Group, Departamento Fı́sica de Materiales, Universidad del Paı́s Vasco, Centro de Fı́sica de Materiales CSIC-UPV/EHU-MPC and DIPC, Avenida Tolosa 72, E-20018 San Sebastián, Spain 4Synch...

Journal: :Nanoscale 2012
Romuald Intartaglia Annette Barchanski Komal Bagga Alessandro Genovese Gobind Das Philipp Wagener Enzo Di Fabrizio Alberto Diaspro Fernando Brandi Stephan Barcikowski

Biofunctionalized silicon quantum dots were prepared through a one step strategy avoiding the use of chemical precursors. UV-Vis spectroscopy, Raman spectroscopy and HAADF-STEM prove oligonucleotide conjugation to the surface of silicon nanoparticle with an average size of 4 nm. The nanoparticle size results from the size-quenching effect during in situ conjugation. Photoemissive properties, co...

2013
Matteo Gatti Matteo Guzzo

Matteo Gatti1,2,3 and Matteo Guzzo2,3 1Nano-Bio Spectroscopy group, Dpto. Fı́sica de Materiales, Universidad del Paı́s Vasco, Centro de Fı́sica de Materiales CSIC-UPV/EHU-MPC and DIPC, Av. Tolosa 72, E-20018 San Sebastián, Spain 2Laboratoire des Solides Irradiés, École Polytechnique, CNRS-CEA/DSM, F-91128 Palaiseau, France 3European Theoretical Spectroscopy Facility (ETSF) (Received 17 December 20...

Journal: :Bio-medical materials and engineering 2014
Xiaoyan Chen Xinqiang Lv Meng Du

The electrode polarization effects on bioelectrical impedance measurement at low-frequency cannot be ignored. In this paper, the bioelectrical data of mice livers are measured to specify the polarization effects on the bio-impedance measurement data. We firstly introduce the measurement system and methodology. Using the depolarization method, the corrected results are obtained. Besides, the spe...

2007
Monique Calhoun Erica Hayes Ei Ei Brown Uwe Hommerich

The purpose of this research is to evaluate new materials as gain media for midinfrared (MIR) solid-state lasers. MIR lasers are of significant current interest for several applications including laser remote sensing of bio-chemical agents, medical surgery, fundamental spectroscopy, and biophotonics. In this project, Cobalt (Co) doped ZnSe windows and CdTe crystals were investigated as MIR lase...

2010
Andrew Downes Alistair Elfick

In this review we describe label-free optical spectroscopy techniques which are able to non-invasively measure the (bio)chemistry in biological systems. Raman spectroscopy uses visible or near-infrared light to measure a spectrum of vibrational bonds in seconds. Coherent anti-Stokes Raman (CARS) microscopy and stimulated Raman loss (SRL) microscopy are orders of magnitude more efficient than Ra...

2012
Yi Qiu Chi Zhang Kenneth K. Y. Wong Hong Kong

Ultra-broadband supercontinuum (SC) at 1-μm wavelength is regarded as diagnostics window in bio-photonics due to its large penetration depth in tissues and less Rayleigh scattering. Dispersive Fourier transform (DFT) is an important technique to realize the high-speed, ultra-fast and high-throughput spectroscopy. Thus, a stable light source with good temporal stability plays an important role i...

Journal: :Central European Forestry Journal 2023

Abstract The purpose of this research was to create bio-based non-isocyanate polyurethane (Bio-NIPU) resins derived from the tannin Acacia mangium Willd. bark for impregnation ramie fibres ( Boehmeria nivea L.) and investigate properties impregnated fibres. Tannin extracted A. using hot water. Tannin-bio-NIPU resin created dimethyl carbonate hexamine. Based on findings, it is possible conclude ...

2007
K. De Bock T. Dresselaers B. Kiens E. A. Richter P. Van Hecke P. Hespel

De Bock K, Dresselaers T, Kiens B, Richter EA, Van Hecke P, Hespel P. Evaluation of intramyocellular lipid breakdown during exercise by biochemical assay, NMR spectroscopy, and Oil Red O staining. Am J Physiol Endocrinol Metab 293: E428–E434, 2007. First published April 10, 2007; doi:10.1152/ajpendo.00112.2007.— The study compared the net decline of intramyocellular lipids (IMCL) during exercis...

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