... spectrometry, Raman spectroscopy and in particular, absorption spectroscopy and Optical Emission Spectroscopy (OES) These techniques are compared in Table 1.3 [14] Because Tunable Infrared Diode Laser Spectroscopy ... Aoki, S Suzuki, and K Kikuchi, J Electrochem Soc 137, 1898 (1990) 44 T A Cleland and D W Hess, J Appl Phys 64, 1068 (1998) 45 B Crawford and D Swanson, in Infrared and Raman Spectroscopy Part ... principles of the Tunable Infrared Diode Laser Absorption Spectroscopy (TDLAS), Optical Emission Spectroscopy (OES) and Fourier Transform Infrared (FTIR) absorption spectroscopy and lastly a brief introduction...
Ngày tải lên: 16/09/2015, 17:11
... bands Infrared - characteristic bands of groups and compounds Raman - positions and intensities of bands Infrared - band positions of alkenes Infrared - band positions of carbonyl groups Infrared ... 12.1 Infrared - characteristic bands of phosphorus compounds and groups Near infrared region Infrared - polymer flowchart I Infrared - polymer flowchart II Infrared - band positions of ions Infrared ... Charts and Figures List of Tables xvi / xvii Preface Introduction Spurious Bands in Infrared and Raman Spectra Spurious Bands at Any Position Spurious Bands at Specific Positions Positive and Negative...
Ngày tải lên: 12/02/2014, 12:20
Ir and raman spectroscopy wartewig
... IR and Raman spectroscopy in various scientific disciplines ranging from chemistry and physics to bioscience and medicine On the other hand, handling, manipulating and evaluating of IR and Raman ... at ~L 9394 cm–1 and the bands at wavenumbers lower and higher than n 9394 cm–1 arise from Stokes and anti-Stokes Raman scattering, respectively On the other hand, a standard Raman spectrum comprises ... version provides four different workspaces The workspaces NIR.ows and RAMAN. ows are particularly devoted to NIR spectroscopy and Raman spectroscopy, respectively All functions of OPUS are available...
Ngày tải lên: 17/03/2014, 14:46
Báo cáo hóa học: " FTIR and Raman Spectroscopy of Carbon Nanoparticles in SiO2, ZnO and NiO Matrices" pdf
... ultraviolet and visible wavelength ranges (0.3–2.5 lm) Raman spectroscopy was also used to study these samples using a Jobin-Y von T64000 Raman spectrometer The observations from the FTIR and Raman spectroscopy ... 4b) Raman Spectroscopy The Raman spectroscopy data of the samples were first analysed using the Tuinstra–Koenig (TK) equation The background to this equation, which is important for Raman spectroscopy ... absorption band, at 900 cm-1, is an absorption band that can be assigned to the stretching vibration of Si–OH or Si–O- groups A broad absorption band, situated between 3,000 and 3,600 cm-1, and another...
Ngày tải lên: 22/06/2014, 01:20
IR and Raman Spectroscopy Fundamental Processing docx
... IR and Raman spectroscopy in various scientific disciplines ranging from chemistry and physics to bioscience and medicine On the other hand, handling, manipulating and evaluating of IR and Raman ... at ~L 9394 cm–1 and the bands at wavenumbers lower and higher than n 9394 cm–1 arise from Stokes and anti-Stokes Raman scattering, respectively On the other hand, a standard Raman spectrum comprises ... version provides four different workspaces The workspaces NIR.ows and RAMAN. ows are particularly devoted to NIR spectroscopy and Raman spectroscopy, respectively All functions of OPUS are available...
Ngày tải lên: 29/06/2014, 06:20
Near infrared confocal raman spectroscopy for real time diagnosis of cervical precancer
... NEAR -INFRARED CONFOCAL RAMAN SPECTROSCOPY FOR REAL-TIME DIAGNOSIS OF CERVICAL PRECANCER SHIYAMALA DURAIPANDIAN 2014 NEAR -INFRARED CONFOCAL RAMAN SPECTROSCOPY FOR REAL-TIME ... Overview of Raman spectroscopy 1.3.1 The Raman effect 1.3.2 Raman instrumentation 1.3.2.1 Confocal Raman microscopy 1.3.2.2 Fiber-optic Raman spectroscopy ... 0.88, 0.86 and 0.56 for the confocal Raman, the composite NIR AF /Raman, and NIR AF spectroscopy modalities, respectively 80 Figure 5.1 (a) Comparison of mean in vivo Raman spectra ± standard...
Ngày tải lên: 10/09/2015, 09:24
Near infrared raman spectroscopy with recursive partitioning techniques for precancer and cancer detection
... light scattering spectroscopy, fluorescence spectroscopy, and Raman spectroscopy have been comprehensively investigated for cancer and precancer diagnosis and evaluation [1-24] Raman spectroscopy ... conformation and structures, and circumvent the strong autofluorescence signals with the use of VIS or near-UV excited Raman spectroscopy, deep UV (>300nm) and NIR excited Raman spectroscopy, ... CLINICAL RAMAN SPECTROSCOPY SYSTEM 2.1.1 EXCITATION WAVELENGTH STRATEGIES FOR BIOMEDICAL RAMAN SPECTROSCOPY 2.1.1.1 VISIBLE (VIS) AND NEAR ULTRA-VIOLET (UV) EXCITATION 2.1.1.2 DEEP UV RESONANCE RAMAN...
Ngày tải lên: 16/10/2015, 15:37
Raman spectroscopy and field electron emission properties of aligned silicon nanowire arrays
... using a Renishaw (RMRe1000) micro -Raman spectrometer at room temperature Raman scattering modes were excited by means of the 514 nm line of an Ar+ laser, and the Raman signals were measured in a ... formed The Raman spectra of bulk single-crystal silicon (c-Si) and SiNWs are shown in Fig A Raman peak at 520.2 cmÀ1 with the full-width at half-maximum (FWHM) of 4.6 cmÀ1 can be seen in the Raman ... Bf3=2 =E l , l Fig Raman spectra of signals normalized to the same peak height to illustrate shift and asymmetric broadening The inset shows the signals from bulk c-Si and SiNWs Raman- active modes...
Ngày tải lên: 16/03/2014, 15:19
DISCRIMINATION OF COLOR COPIER/LASER PRINTER TONERS BY RAMAN SPECTROSCOPY AND SUBSEQUENT CHEMOMETRIC ANALYSIS
... tape,42,43 gasoline,58 hair dye,46 soil,49 pen ink,51 and tire rubber.59 19 CHAPTER RAMAN SPECTROSCOPY 2.1 Review of Raman Spectroscopy Raman spectroscopy is a vibrational spectroscopic technique ... (LA-ICP-TOF-MS),18 infrared spectroscopy [IR, Fourier transform infrared (FTIR)],15,16,19-24 and diffuse reflectance (DR).5,25-27 Several studies have also explored the use of Raman spectroscopy for ... Discriminant Analysis 15 CHAPTER RAMAN SPECTROSCOPY 19 2.1 Review of Raman Spectroscopy 19 2.2 Blue Toners 21 2.2.1 Materials and Methods 21 2.2.1.1 Instumental...
Ngày tải lên: 24/08/2014, 11:52
DISCRIMINATION OF COLOR COPIER/LASER PRINTER TONERS BY RAMAN SPECTROSCOPY AND SUBSEQUENT CHEMOMETRIC ANALYSIS
... and guidance and my committee members: Dr Melissa Kacena and Dr Robert Yost I would also like to thank Dr Kacena and her lab for their help with the osteoclast cell culture, Dr Keith Condon and ... mice have two loxp sequences and produces a 520bp band STAT3+/+ mice lack the loxp sequences and therefore produce a smaller490bp band Cre mice produce a 615bp band if it is present (Figure 7) ... chromosome and transcription of CTSK is activated by RANKL and M-CSF Transforming growth factor β1 (TGFβ1) and interleukin 10 (IL-10) both inhibit CTSK, which has a molecular mass of 24 kDa and consists...
Ngày tải lên: 24/08/2014, 12:40
Near infrared raman spectroscopy for early detection of cervical precancer
... all the molecules are both Raman- active and IR-active, which makes Raman spectroscopy and IR spectroscopy complementary to each other 1.2.2 Raman Instrumentation Raman spectroscopy mainly consists ... tissue malignancy included narrowed amide I and III bands, a minor red shift of Raman band at 1450 cm-1, and the vanishing of Raman bands at 854, 939, 1269 and 1384 cm-1 Diagnosis with the inclusion ... (37/46) and 87.0% (40/46); specificities of 84.8% (39/46), 73.9% (34/46) and 78.3% (36/46) using the three spectral datasets of raw Raman spectra (combined NIR AF and Raman spectra), NIR AF and Raman, ...
Ngày tải lên: 11/09/2015, 10:07
Development of multivariate curve resolution and associated system identification tools for IR emission, chiroptical, and far infrared and far raman spectroscopies
... chiroptical spectroscopy including ultra-violet circular dichroism (UV CD) and Raman Optical Activity (ROA), and Far-IR and Far -Raman spectroscopy This thesis focuses on solving the qualitative and quantitative ... Figure 5.6 Reconstruction (a) far infrared spectrum and (b) far Raman spectrum of Mn2(CO)10 126 Figure 5.7 Reconstruction (a) far infrared spectrum and (b) far Raman spectrum of Re2(CO)10 126 Figure ... (Keller and Massart, 1991), and HELP (Kvalheim and Liang, 1992; Liang et al., 1992; Keller et al., 1992; Liang and Kvalheim, 2001) Among these methods, WFA and HELP are probably the most studied and...
Ngày tải lên: 12/09/2015, 08:20
Tài liệu Báo cáo khoa học: Allosteric modulation of myristate and Mn(III)heme binding to human serum albumin Optical and NMR spectroscopy characterization pptx
... transport of lipophilic compounds and drugs and of medium and long chain fatty acids; among them, myristic acid is a stereotypic ligand to investigate fatty acid binding and transport properties of ... conformational changes of the N and B states of Mn(III)heme–HSA, by optical absorbance spectroscopy and NMR spectroscopy, that show allosteric interaction(s) between FAs and Mn(III)heme with HSA Interestingly, ... Between pH 4.3 and 8, in the presence of allosteric effectors, and at pH greater than 8, in the absence of ligands, HSA changes conformation to the basic (B) form with loss of a-helix and an increased...
Ngày tải lên: 20/02/2014, 02:22
PHARMACEUTICAL APPLICATIONS OF RAMAN SPECTROSCOPY docx
... Ozaki and Slobodan Sasic 1.1 1.2 1.3 History of Raman Spectroscopy The Principle of Raman Spectroscopy An Example of Simple Raman Spectrum: Raman Spectrum of Water 1.4 Characteristics of Raman Spectroscopy ... APPLICATIONS OF RAMAN SPECTROSCOPY Raman and Krishnan [Raman 1928] discovered the scattering effect that is named after Raman and that earned him a Nobel Prize in 1930 Raman spectroscopy, however, ... Raman, most notably ‘‘The Handbook of Vibrational Spectroscopy, ’’ by P Griffiths and J Chalmers, and ‘‘Analytical Applications of Raman Spectroscopy by M Pelletier However, the literature on Raman...
Ngày tải lên: 08/03/2014, 19:20
Synthesis of large scale sic–sio2 nanowires decorated with amorphous carbon nanoparticles and raman and PL properties
... carbon-related bands in Raman spectrum The enhancement of blue emission band and a new yellow band were observed from SiC–SiO2 core–shell nanowires decorated with carbon nanoparticles and considered ... observation D- and G-band were also appeared in spectrum (b) As can be seen in Fig 4, D- and G-band in spectrum (b) are different from those of spectrum (a) in position, width, and intensity ratio ... carbon concentration exists at the interface between SiC and SiO2 and this interlayer induce carbon-related peaks (D- and G-band) in Raman scattering [30] It is thought that the carbon-related...
Ngày tải lên: 16/03/2014, 15:08
Báo cáo khoa học: The optimization of protein secondary structure determination with infrared and circular dichroism spectra docx
... their amide I and amide II infrared bands Comparison between classical and partial least-squares methods Biochemistry 29, 8771– 8779 Sarver, R.W & Krueger, W.C (1991) An infrared and circular ... normalization of the band maximum to a constant intensity; normalization to a constant area; normalization of the combined amide I and II bands, with separate analyses of each band afterwards; and separate ... infrared spectroscopy I Assignments and model compounds Subcell Biochem 23, 329–362 24 Arrondo, J.L.R & Goni, F.M (1999) Structure and dynamics of membrane proteins as studied by infrared spectroscopy...
Ngày tải lên: 16/03/2014, 18:20
Báo cáo khoa học: Structures and mode of membrane interaction of a short a helical lytic peptide and its diastereomer determined by NMR, FTIR, and fluorescence spectroscopy pdf
... the peptide and secondary structure determination Figure summarizes sequential and medium range NOEs as well as slow-exchanging amide protons for K4L7W and its diastereomer in DPCho and SDS micelles ... The amide I region between 1610 and 1628 cm)1 is characteristic of an aggregated b sheet structure and the region between 1640 and 1645 cm)1 corresponds to a random coil The amide I region of ... 1650 and 1655 cm)1, and the amide I region from 1656 to 1670 cm)1 is characteristic of a 310 helix or distorted/ dynamic helix [42] The band at approximately 1624 cm)1, observed in both K4L7W and...
Ngày tải lên: 17/03/2014, 11:20
Báo cáo khoa học: Defining the QP-site of Escherichia coli fumarate reductase by site-directed mutagenesis, fluorescence quench titrations and EPR spectroscopy doc
... Q225 and K228 from FrdB; R28, E29, W86, L89 and A93 from FrdC; and W14, F17, G18, H80, R81 and H84 from FrdD [3,4,10] Site-directed mutants of some of these residues have been generated and partially ... panels, FrdB and FrdA are above the MQ ⁄ HOQNO plane, and FrdC and FrdD are substantially below the MQ ⁄ HOQNO plane Residues from FrdB, FrdC and FrdD have labels starting with ‘B-’, ‘C-’, and ‘D-’, ... retains HOQNO binding measured by both the FQ and EPR methods (Figs and 3) Hagerhall and coworkers [20] demonstrated by potenti¨ ¨ ometric titration and EPR spectroscopy that a menasemiquinone radical...
Ngày tải lên: 23/03/2014, 13:20
Báo cáo Y học: Conformational analysis by CD and NMR spectroscopy of a peptide encompassing the amphipathic domain of YopD from Yersinia potx
... structures were examined using CD spectroscopy and 2D homonuclear/heteronuclear NMR spectroscopy Using these peptides, the interaction between the amphipathic domain of YopD and its cognate chaperone ... obtained using COSY and TOCSY spectra and a NOESY spectrum was used to identify sequential backbone connectivities A comparison of the Ha and Ca chemical shift deviation from random coil values ... an index with values of )1, and +1, which corresponds to upfield, random coil and downfield, respectively This image was constructed using the VINCE software (The Rowland Institute for Science,...
Ngày tải lên: 31/03/2014, 21:21
measurement of in plane thermal conductivity of ultrathin films using micro raman spectroscopy
... preparation and handling and sometimes complicated modeling due to the irregular geometry involving additional structures such as a heater In this work, we describe a noncontact, micro -Raman spectroscopy based ... thermal conductivity and phonon behaviors of thin-film structures if the Raman temperature sensor material and substrate material are carefully selected KEY WORDS: micro -Raman, in-plane thermal ... electronic devices [1, 2] and thinfilm thermoelectrics [3–6] Thin-film boundaries and interfaces contain roughness and defects that can scatter phonons efficiently [7, 8] and reduce the lattice thermal...
Ngày tải lên: 06/05/2014, 08:54