• Here we introduce a platform that combines deuterium oxide (D 2 O) probing with stimulated Raman scattering (DO-SRS) microscopy to image in situ metabolic activities. (nih.gov)
  • Temperature dependence of peak positions, intensities, and linewidths of Raman phonon modes signalled the presence of phase transitions near-50 +/- 5 degrees C, 0 +/- 5 degrees C, 35 +/- 5 degrees C and 110 +/- 10 degrees C. Evolution of domain morphology occurring at phase transitions above room temperature was studied by piezoresponse force microscopy technique. (kirensky.ru)
  • This article outlines the need for more research into microplastics and how Raman microscopy offers unique advantages for microplastic analysis and identifying the chemical composition of the material. (edinst.com)
  • Due to its high spatial resolution, Raman microscopy allows the smallest particle size to be examined. (edinst.com)
  • However, the RM5 from Edinburgh Instruments offers Confocal Raman Microscopy with a selection of up to 3 lasers, reducing the interference and improving the quality of spectra. (edinst.com)
  • Raman microscopy is proving to be a vital method for microplastic analysis. (edinst.com)
  • At our microscopy platform in Lund, you meet personnel with expertise and long experience working with biological material and microscopy, imaging, and analysis. (lu.se)
  • In our laboratories, you can use both standard microscope techniques, like scanning electron microscopy (SEM), transmission electron microscopy (TEM) and confocal laser scanning microscopy (CLSM), as well as infra-red based analysis techniques and micro-computed tomography (micro-CT). (lu.se)
  • Regarding the methods, microhardness 2,5 , scanning electron and polarized light microscopy 7,14 , micro energy-dispersive x-ray fluorescence spectrometry (μEDXRF) 11 , Fourier transform-Raman (FTRaman) spectroscopy10 and atomic absorption spectrometer (AAS) 10 have been used to determine the adverse effects resulting from bleaching techniques. (bvsalud.org)
  • Here we demonstrate unprecedented sub-molecular Raman spectroscopic mapping with spatial resolution below 1 nm, resolving even the inner structure of a single molecule and its configuration on the surface [1]. (aps.org)
  • FT-IR and Raman spectroscopic methods were implemented to collect vibrational spectra of 1-ClM-1-FSiCP. (researchgate.net)
  • On 15th February, Carl Troein, CIPA Application Expert specialised in 2D spectroscopy analysis, held the webinar "Spectroscopic Data Processing and Analysis" on behalf of CIPA - the coordinating unit of the InfraVis Lund node. (lu.se)
  • The webinar covered problems in spectroscopic data analysis and methods for their identification and correction as well as for analysis and visualization. (lu.se)
  • Since my main focus at CIPA is on 2D spectroscopic imaging data, I can help users with spatially resolved FTIR, Raman, O-PTIR and hyperspectral IR imaging, but I am happy to discuss other types of data as well. (lu.se)
  • Spectroscopic imaging support is available from CIPA, the imaging processing and analysis infrastructure at Lund University. (lu.se)
  • Incorporating unique and powerful functions in a reliable, high performance system, ideally suited to the research and analytical lab, the XploRA PLUS is our best multi-sample, multi-user Raman imaging microscope ever. (horiba.com)
  • We analyze several theropod eggshells from various localities, including oviraptorid Macroolithus yaotunensis eggshells from the Late Cretaceous deposits of Henan, Jiangxi, and Guangdong in China and alvarezsaurid Triprismatoolithus eggshell from the Two Medicine Formation of Montana, United States, with the scanning electron microscope (SEM), electron probe micro-analysis (EPMA), and Raman spectroscopy (RS). (peerj.com)
  • Coupling the Raman spectrometer with a confocal microscope allows us to visualise tiny particles, helping to create a clearer picture of the material and potential harmful impacts on humans. (edinst.com)
  • Key steps taken during Microplastic Analysis using the RM5 Raman Microscope. (edinst.com)
  • Unlike a traditional Raman microscope, the Morphologi 4-ID automatically targets individual particles and provides the size, shape and chemical identification of each. (atascientific.com.au)
  • By 1934 this instrument was able to scan, compute and record up to 2000 seven-figure wavelengths from a 20-inch photographic spectrum in 120 seconds. (mit.edu)
  • Find important wavelengths/frequencies in the spectra. (originlab.com)
  • To study enhancement effects, we measured Raman scattering signal from molecules adsorbed on metal oxide nanowires and nanocones excited by lasers with three different wavelengths. (aps.org)
  • We observed that the Raman signal was enhanced regardless of excitation wavelengths, even though the enhancement factor showed slight wavelength dependence. (aps.org)
  • The simplicity and power of the XploRA PLUS is unmatched with an enhanced range of options such as multiple laser wavelengths, EMCCD detection, Raman polarisation and even Raman-AFM combination. (horiba.com)
  • Absorption spectroscopy - uses the range of the electromagnetic spectra (wavelengths) in which a material absorbs including atomic absorption and molecular techniques such as infrared and ultraviolet-visible. (atascientific.com.au)
  • The ease with which the ROA spectra of biological molecules can be successfully measured lends itself perfectly to the ever-growing demand for biomolecular structural information, especially in the context of proteomics and the Human Genome Project. (gla.ac.uk)
  • The genius of the book is its rigorous, elegant treatment of the mathematics involved in detailed vibrational analyses of polyatomic molecules. (doverpublications.com)
  • Raman spectroscopy is a non-destructive analytical technique based on the inelastic scattering of photons related to the different vibrational modes of molecules. (metrohm.com)
  • This discovery by C. V. Raman in 1928 resulted in a simple yet effective method to determine the structure of simple molecules that continues to grow in popularity among the scientific community. (metrohm.com)
  • Raman is great for structural elucidation of molecules, including connectivity and saturation. (metrohm.com)
  • However, the signals from water molecules are very weak in Raman spectra, meaning wet samples can be more accurately analysed. (edinst.com)
  • On the basis of the [email protected]2 matrix model, with explicit nitrogen molecules, the anharmonic infrared spectra are generated from the Fourier transformation of the dipole moment autocorrelation function. (researchgate.net)
  • be able to analyse molecular spectra for diatomic and polyatomic molecules. (lu.se)
  • be able to decide the symmetry characteristics of diatomic and some simple polyatomic molecules based on analysis of different spectra for IR and Raman scattering. (lu.se)
  • To study the effect of the substrate on surface enhanced Raman scattering (SERS), we have fabricated a series of SERS substrates consisting of a hexagonal array of Au nanoparticles self assembled on block copolymer films, a silicon oxide (dielectric) layer and a silicon substrate. (aps.org)
  • The SERS Enhancement Factors (EF) were calculated by comparing the Raman spectra of 4-aminothiophenol adsorbed on the surface of the Au nanoparticles and in a standard solution. (aps.org)
  • For several decades, surface-enhanced Raman scattering (SERS) from various analytes adsorbed on metal has been studied and utilized for optoelectronic and biochemical devices. (aps.org)
  • Its sensing mechanism is based upon the decrease of the surface-enhanced Raman scattering (SERS) intensity when Raman label tagged at one end of MS is physically separated from the MFON's surface upon DNA hybridization. (duke.edu)
  • We present the results of a Raman study of optical phonons in CuS nanocrystals (NCs) with a low areal density fabricated through the Langmuir-Blodgett technology on nanopatterned Au nanocluster arrays using a combination of surface- and interference-enhanced Raman scattering (SERS and IERS, respectively). (beilstein-journals.org)
  • CuS NCs formed on Au nanocluster arrays fabricated on IERS substrates combine the advantages of SERS and IERS and demonstrate stronger SERS enhancement allowing for the observation of Raman signals from CuS NCs with an ultra-low areal density. (beilstein-journals.org)
  • The use of surface enhanced Raman spectrometry (SERS) for the detection and identification of chlorinated hydrocarbons or organochlorides such as carbon-tetrachloride (56235), 1,2- dichloroethane (107062), chloroform (67663), and trichloroethylene (79016) was described. (cdc.gov)
  • Chlorinated hydrocarbons were not observable on silver or gold substrates, but SERS spectra were visible when they were examined with a copper electrode. (cdc.gov)
  • Preliminary observation suggested that the SERS spectrum is only observable for a finite amount of time. (cdc.gov)
  • We present here a novel approach for time-domain diffuse Raman spectroscopy (TD-DIRS) based on a single-pixel detector and a digital micromirror device (DMD) within an imaging spectrometer for wavelength encoding. (lu.se)
  • Unlike spatially offset Raman spectroscopy (SORS) or frequency offset Raman spectroscopy (FORS), TD-DIRS exploits the time-of-flight distribution of photons to probe the depth of the Raman signal at a single wavelength with a single source-detector separation. (lu.se)
  • The platform can be configured for either line-laser Raman chemical imaging (RCI) mode for food surface evaluation or point-laser spatially offset Raman spectroscopy (SORS) mode for food subsurface evaluation. (usda.gov)
  • This paper presents a multipurpose line-scan Raman platform for food safety and quality research, which can be configured for Raman chemical imaging (RCI) mode for surface inspection and spatially offset Raman spectroscopy (SORS) mode for subsurface inspection. (usda.gov)
  • The calculated infrared and Raman spectra of the title compounds were also stimulated utilizing the scaled force fields and the computed dipole derivatives for IR intensities and polarizability derivatives for Raman intensities. (civilica.com)
  • A plot of the difference in intensities between Raman scattered light using right and left circularly polarized incident light (CIRCULAR DICHROISM). (bvsalud.org)
  • Fluorescence-corrected images at selected Raman peak wavenumbers were used to view Raman-active analytes on the whole sample surfaces (e.g., fat on the pork shoulder and carotenoids over the carrot cross section). (usda.gov)
  • Metrohm Raman uses its own proprietary method in MIRA XTR DS, a proven handheld 785 nm Raman system equipped with fluorescence rejection. (metrohm.com)
  • Raman spectroscopy of street samples of cocaine obtained using Kerr gated fluorescence rejection. (ox.ac.uk)
  • The first use of Kerr gated fluorescence rejection Raman spectroscopy for the analysis of street samples of cocaine in a fluorescing matrix is reported. (ox.ac.uk)
  • Raman spectroscopy can be used to analyse samples as small as 1 µm in diameter with the latest research studying the possibility of measuring the even smaller nanoplastics. (edinst.com)
  • The comprehensive Raman spectroscopy analysis in the present work not only validates the presence of the intermediate orthorhombic phase in BCZT, but also provides evidence of another transition: rhombohedral R3c phase to R3m at low temperature. (kirensky.ru)
  • Our finding of Raman spectromicroscopy going intra-molecular and sub-nanometer may open up a new avenue to probe surface chemical identification, optical processes and photochemistry at the single-molecule scale. (aps.org)
  • A great potential of Raman spectroscopy for non-destructive, confirmatory identification of body fluids at the crime scene has been reported recently (Virkler and Lednev, Forensic Sci. (ojp.gov)
  • As technology develops, spectrum analysis has become the main method for the analysis and identification of compounds. (hindawi.com)
  • It is estimated that 80% of common active pharmaceutical ingredients (APIs) and excipients are well-suited for raw material identification (RMID) with Raman spectroscopy. (metrohm.com)
  • Examples included correction for water vapor and scattering effects in FTIR, step discontinuities in O-PTIR, identification of wavenumbers of interest in Raman spectra, visualization of weak but significant components in hyperspectral (IR-visible) images as well as mage analysis and classification. (lu.se)
  • Register for this free webinar on non-destructive surface analysis by handheld FTIR. (materialstoday.com)
  • Our research group develops methods for Fourier transformed infrared (FTIR) absorption spectroscopy and Raman spectroscopy, for example to correct the effects of unwanted scattering and absorption. (lu.se)
  • Using a bilayer phantom made of porcine muscle and calcium carbonate, we proved that our system can retrieve Raman peaks even in the presence of autofluorescence typical of biomedical tissues. (lu.se)
  • It is a much more efficient emission process, causing overwhelming background noise in the Raman spectrum and obscuring Raman peaks. (metrohm.com)
  • Peaks in the Raman spectrum are very narrow, which heightens specificity and selectivity. (metrohm.com)
  • Unique fingerprint peaks in the Raman spectrum can be used to discriminate between very similar species such as isomers and substances that differ by a single functional group. (metrohm.com)
  • Measurement of the Raman optical activity (ROA) spectra of biomolecules has become an experimental possibility due to significant advances in the available technology, and its successful implementation into the ROA instruments at the University of Glasgow. (gla.ac.uk)
  • The experimental spectra also coincide satisfactorily with those of theoretically constructed simulated spectrograms. (scholarsresearchlibrary.com)
  • On the other hand there are experimental difficulties arising from the possibility that there is fluorescence emission interfering with the Raman signal, and from the difficulties in extracting signals through windows in reactor walls or in slip streams. (horiba.com)
  • The relative contribution of each of the three components varies with donor, so no single spectrum could effectively represent an experimental Raman spectrum of dry semen in a quantitative way. (ojp.gov)
  • The MC of the enamel was determined before and after bleaching using Fourier transform (FT-Raman) spectroscopy and micro energy-dispersive x-ray fluorescence spectrometry (μEDXRF). (bvsalud.org)
  • Cross-validation showed 95.2% sensitivity and 94.6% specificity for identifying diseased spectra. (nature.com)
  • Due to the significant detection interference caused by the complex food matrix, false negative results caused by trace amounts of harmful substances, and the failure of targeted detection caused by endless adulteration, the specificity, and sensitivity of spectrum analysis need to be further improved. (hindawi.com)
  • Fast wavelength switching (sub-second) between two Raman vibrational frequencies, i.e., 2848 cm(-1) for C--H aliphatic vibrations and 3035 cm(-1) for C--H aromatic vibrations is presented as an example, although this also extends to other Raman frequencies. (strath.ac.uk)
  • The vibrational frequencies of 3,4-dichlorobenzophenone (DCLBP) were obtained from the FT-IR and Raman spectral data, and evaluated based on the Density Functional Theory using the standard method B3LYP with 6-311+G(d,p) as the basis set. (hud.ac.uk)
  • In this paper, harmonic vibrational frequencies, molecular structure, NBO and HOMO, LUMO analysis and detonation properties of (E)-2-Bromo-1-[2-(2-nitrostyryl)-1-phenylsulfonyl-1H-indol-3-yl] ethanone is calculated. (civilica.com)
  • The study is extended to the HOMO - LUMO analysis to calculate the energy gap, ionization potential, electron affinity, global hardness,chemical potential and global electrophilicity and thermodynamic properties of 2M4NA. (scholarsresearchlibrary.com)
  • The change in electron density (ED) in the r* and p* antibonding orbital's and stabilization energies E(2) have been calculated by Natural Bond Orbital (NBO) analysis to give clear evidence of stabilization originating in the hyperconjugation of hydrogen-bonded interaction. (civilica.com)
  • Are you interested in other applications of our Raman Spectrometers? (edinst.com)
  • Edinburgh Instruments offers Raman Microscopes that can help to identify the chemical composition of microplastics, and therefore study the impact on human health. (edinst.com)
  • the Phenom XL, Phenom ProX, Phenom Pro and Phenom Pure, these microscopes are ideal for investigating biological or pharmaceutical samples, forensic analysis, metallurgical analysis, failure analysis and quality control. (atascientific.com.au)
  • Raman spectra, in conjunction with Multivariate (Chemometric) Analysis, have been demonstrated to provide real-time information on the progress of a polymerisation reaction. (horiba.com)
  • The chemometric analysis of Raman spectra collected from fossil and extant eggs provides further supportive evidence for the cuticle preservation in oviraptorid and probable alvarezsaurid eggshells. (peerj.com)
  • On the basis of vibrational analyses, the thermodynamic properties of title compound at different temperatures have been calculated [3]. (civilica.com)
  • You can also optionally choose a column for Frequency/Wavelength , which will be used for labels in Loading Plot , choose Spectra Names for labels in Scor Plot , and Group Info can be used to divide samples in Score Plot . (originlab.com)
  • Raman scattering has long been used as a non-intrusive diagnostic of temperatures in combustion exhaust flows, using a variety of spectral analysis techniques. (osu.edu)
  • Diffuse Raman spectroscopy (DIRS) extends the high chemical specificity of Raman scattering to in-depth investigation of thick biological tissues. (lu.se)
  • The spectroscopy based on tip-enhanced Raman scattering (TERS) has opened a path to obtain enhanced vibrational signals thanks to the strong localized plasmonic field originated at the tip apex. (aps.org)
  • Present work focuses on detailed temperature-dependent X-ray diffraction, Raman scattering, domain configuration, and photoluminescence (PL) studies in the (Ba0.85Ca0.15) (Zr0.10Ti0.90)O-3 (BCZT) ceramics. (kirensky.ru)
  • While most scattering occurs elastically, about 1 in 10 6 scattering processes interact with the molecule through bond stretching and bending vibrations resulting in Raman-scattered light. (metrohm.com)
  • Fluorescence is one of the biggest challenges for Raman, as it can overwhelm the signal from Raman scattering. (metrohm.com)
  • Analysis of the intensity of Raman scattering of monochromatic light as a function of frequency of the scattered light. (bvsalud.org)
  • be able to describe how a molecule interacts with electromagnetic radiation via electric dipole transitions and Raman scattering processes. (lu.se)
  • Raman spectroscopy has been widely used in characterizing subcellular structures such as mitochondrion, lysosome and nucleus because it is label-free and has high spatial resolution 18 . (nature.com)
  • Within the broad vibrational spectra of C-D bonds, we discover lipid-, protein-, and DNA-specific Raman shifts and develop spectral unmixing methods to obtain C-D signals with macromolecular selectivity. (nih.gov)
  • We validated the system using a bilayer tissue-bone mimicking phantom composed of a 1 cm thick slab of silicone overlaying a calcium carbonate specimen and demonstrated a high differentiation of the two Raman signals. (lu.se)
  • The development of the analysis of ROA spectra has largely been based upon the correlation of ROA spectra of proteins of known structure with structural information from alternative sources, chiefly X-ray crystallography and multidimensional nuclear magnetic resonance (NMR). (gla.ac.uk)
  • Raman is a form of molecular spectroscopy that is observed as inelastically scattered light when a sample is excited by a laser. (metrohm.com)
  • Shifted by these molecular interactions, the detected Raman photons can be processed into a spectrum that relates to the unique bonds within a molecule, providing the user with an invaluable analytical tool for molecular fingerprinting. (metrohm.com)
  • Comparative yield of molecular diagnostic algorithms for autism spectrum disorder diagnosis in India: evidence supporting whole exome sequencing as first tier test. (cdc.gov)
  • In this article, we present the combination of Raman spectroscopy, Photoluminescence and SEM-CL techniques, where the instruments weren't physically connected. (horiba.com)
  • However, because of the complexity of food substrates, the construction of chemometrics with intelligent analysis still faces significant challenges. (hindawi.com)
  • On the basis of potential energy distribution together with the normal-co-ordinate analysis and following the scaled quantum mechanical force methodology, the assignments for the various frequencies were described. (hud.ac.uk)
  • The RCI and SORS modes share a common detection module including a dispersive imaging spectrograph and a CCD camera, covering a Raman shift range from -674 to 2865 cm-1. (usda.gov)
  • As part of their ongoing program of experiments to support development of computer codes that calculate exhaust flow fields and predict jet noise, NASA Glenn Research Center is developing a laser Raman diagnostic system that will measure mean temperatures and temperature fluctuations in hot and cold jet flows. (osu.edu)
  • We describe a software package, ART (Analysis for Raman Temperatures), that analyzes Raman spectra of air for temperature and density using vibrational or resolved or unresolved rotational bands, presenting results in a variety of real-time displays. (osu.edu)
  • Cell response was determined using low temperature Raman Spectroscopy and variation in post-thaw recovery with composition was analyzed using statistical modeling. (nature.com)
  • be able to calculate different parameters such as temperature and moment of inertia from a spectrum of a diatomic molecule. (lu.se)
  • ROA spectroscopy is able to probe the chiral peptide backbone of proteins, and as such the ROA spectrum of a protein contains a wealth of structural information from within the whole molecule, across the whole vibrational spectrum. (gla.ac.uk)
  • As the database of ROA spectra of polypeptides and proteins has grown, it has been possible to tighten up the assignment of ROA spectral bands and band patterns to aspects of known structural content. (gla.ac.uk)
  • With a basis for the correlation between the ROA spectrum and the known crystal structure (or NMR structure) being well established, it is possible to interpret the ROA spectra of proteins that do not have (for whatever reason) well defined structures. (gla.ac.uk)
  • This means that ROA spectroscopy can provide invaluable structural information for proteins that are precluded from analysis by other techniques, and also cast new light on the structures of proteins that have not been well defined. (gla.ac.uk)
  • This project presents an up-to-date collection of newly obtained ROA spectra of a large number of proteins across a range of structural class types. (gla.ac.uk)
  • This proof-of-concept study presents Raman hyperspectroscopic analysis of blood serum as an easy, fast, non-expensive, and minimally invasive detection method for distinguishing control and mdx model mice, with a strong potential for clinical diagnosis of DMD. (nature.com)
  • In recent years, Raman Spectroscopy has been found to be a key technique in identifying the chemical composition of ocean microplastics. (edinst.com)
  • Particle characterisation using image analysis-based systems can provide real insight into the nature of particles. (atascientific.com.au)
  • ATA Scientific offers a range of high quality image analysers including the Malvern Morphologi 4 particle image analyser, designed for automated high resolution particle size analysis from 0.5 - 3000 microns. (atascientific.com.au)
  • The first is based on a mathematical deconvolution of the Raman bands whereas the second relies on more sophisticated multivariate analysis (Chemometrics). (horiba.com)
  • In recent years, chemometrics have been widely used in spectral analysis to increase the specificity and intelligence of the analysis. (hindawi.com)
  • This Special Issue aims to create a forum of discussion on novel spectral analysis methods, like UV-vis, IR, Raman, NMR, MS, HPLC-DAD, and HPLC-MS, combining chemometrics algorithms for application to food quality and safety. (hindawi.com)
  • Analysis of PL spectra revealed disorder/heterogeneity in the sample and indicated the existence of self-trapped excitons. (kirensky.ru)
  • A study of genetic heterogeneity in autism spectrum disorders based on plasma proteomic and metabolomic analysis: multiomics study of autism heterogeneity. (cdc.gov)
  • Emission spectroscopy - uses the range of electromagnetic spectra in which a material radiates after first absorbing energy. (atascientific.com.au)
  • In its early years, the Spectroscopy Laboratory became famous under Professor Harrison's leadership for its contributions to atomic spectroscopy, namely the analysis of complex spectra, with some emphasis on qualitative and quantitative analysis of materials. (mit.edu)
  • We reconstructed the Raman spectra of the two layers, offering the potential for improved and quantitative material analysis. (lu.se)
  • Spectral fusion technology can further improve the accuracy and stability of quantitative analysis by including more comprehensive information. (rsc.org)
  • Finally, low-level data fusion was achieved by concatenating Raman and infrared spectra into a matrix, and coupled with PLS to construct a quantitative analysis model of PAHs in soil. (rsc.org)
  • In summary, the combination of Raman and infrared spectroscopy is a promising alternative to rapid quantitative analysis of PAHs in soil. (rsc.org)
  • The conformational analysis was performed utilizing FT-IR matrix isolation technique and theoretical methods such as density functional theory and ab initio calculations. (researchgate.net)
  • As well as containing detailed information from specific structural elements such as sections of secondary structure and motifs, the ability of ROA to see the molecule as a whole also enables the global fold of the protein to be deduced from the ROA spectrum. (gla.ac.uk)
  • and concluding with a sample vibrational analysis of the molecule of benzene. (doverpublications.com)
  • I have a broad background in developing analysis and data processing methods for biological data. (lu.se)
  • be able to write laboratory reports with a thorough analysis of measurement data. (lu.se)
  • Here, we demonstrate that Raman spectroscopy is one solution to identify and evaluate sugar/sweetener concentrations in a quality control process. (horiba.com)
  • How does fluorescence affect the results when measuring with Raman? (metrohm.com)
  • Natural substances (such as plant fibers), strongly colored materials, and substances with fluorescent contaminants can all fail to produce results with Raman spectroscopy. (metrohm.com)
  • Results: The FT-Raman showed a decrease in MC for all bleaching treatments, without influence of the different HP concentrations or the number of applications. (bvsalud.org)
  • This application note demonstrates how to evaluate alcohol concentrations in a quality control process with Raman. (horiba.com)
  • Raman can identify thousands of solid and liquid substances including pharmaceuticals, raw materials for food and personal care products, controlled substances and associated precursors and cutting agents, weapons of terror, toxic and non-toxic chemicals, solvents, and agricultural treatments (e.g., pesticides, insecticides). (metrohm.com)
  • Comprehensive systematic review and meta-analysis of the association between common genetic variants and autism spectrum disorder. (cdc.gov)
  • Estimating the annual attack rate of seasonal influenza among unvaccinated individuals: A systematic review and meta-analysis. (cdc.gov)
  • In an effort to improve the accuracy and ease of diagnosis, this study focused on developing a novel method for diagnosing DMD which combines Raman hyperspectroscopic analysis of blood serum with advanced statistical analysis. (nature.com)
  • This study presents a multipurpose line-scan Raman platform for food safety and quality research. (usda.gov)
  • The line-scan Raman imaging and spectroscopy platform developed in this study provides a new tool for surface and subsurface inspection for food safety and quality. (usda.gov)
  • In this study, the feasibility of analyzing anthracene and fluoranthene in soil by Raman spectroscopy, infrared spectroscopy combined with spectral fusion technology and partial least squares (PLS) was investigated. (rsc.org)
  • The UV-absorption spectrum was also recorded to study the electronic transitions. (hud.ac.uk)
  • The NBO analysis, to study the intramolecular hyperconjugative interactions, was carried out. (hud.ac.uk)
  • The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. (cdc.gov)
  • Disturbance of skin sensation and autism spectrum disorder: A bidirectional Mendelian randomization study. (cdc.gov)
  • A retrospective study was conducted on diarrhea sur le fardeau des maladies diarrhéiques chez les cases admitted into the emergency department of the enfants en Afrique subsaharienne. (bvsalud.org)
  • Because of its connection with laser technology, the theory of infrared and Raman vibrational spectra is even more important now than when this book was first published. (doverpublications.com)
  • This article covers some of the most frequently asked questions about Raman spectroscopy regarding the theory behind it and how it can be used in practice. (metrohm.com)
  • During the conformational analysis the envelope (E) and twisted (T) ring shapes with the position of the fluorine atom and chloromethyl group in terms of axial/equatorial and cis/trans/gauche-/gauche+ positions were investigated utilizing MP2/aug-cc-pVTZ and DFT/B3LYP/aug-cc-pVTZ level of theory. (researchgate.net)
  • The SWIFT Fast Raman images are the fastest fully confocal Raman images available, typically 10x faster than conventional Raman imaging. (horiba.com)
  • To improve the accuracy, ease, and potential of an early diagnosis, we focused on developing a novel method for diagnosing DMD using Raman hyperspectroscopic analysis of mdx mouse blood serum combined with advanced statistical analysis. (nature.com)
  • Advanced statistical analysis of spectra obtained from multiple spots on dry samples showed that dry semen is heterogeneous and its Raman spectra could be presented as a linear combination of a fluorescent background and three spectral components. (ojp.gov)