Spectroscopy and raman spectroscopy. Medical search. Frequent questions

The first observation of Raman spectra in gases was in 1929 by Franco Rasetti. (wikipedia.org)
Albrecht, M.G. & Creighton, J.A. Anomalously intense Raman-spectra of pyridine at a silver electrode. (nature.com)
Gaussian 16 can predict Resonance Raman (RR) spectra. (gaussian.com)
That branch of spectroscopy concerned with Raman spectra and used to provide a means of studying pure rotational, pure vibrational and rotation-vibration energy changes in the ground level of molecules. (photonics.com)
We have obtained A-band absorption resonance Raman spectra of 1-chloro-2- iodoethane in cyclohexane solution. (hindawi.com)
However, the signals from water molecules are very weak in Raman spectra, meaning wet samples can be more accurately analysed. (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)
We investigated tip-enhanced Raman spectra excited by high-order fiber vector beams. (mdpi.com)
By instead measuring Raman spectra in the ultraviolet (UV) wavelength range, both of the above limitations can be substantially alleviated. (idex-hs.com)
Raman spectroscopy is an inelastic scattering technique that reveals vibrational spectra of molecules. (sepscience.com)
This article reports on a project that assembled the core of a comprehensive library which contains 100 Raman and surface-enhanced Raman spectroscopy (SERS) reference spectra of natural and synthetic organic colorants. (ojp.gov)
Surface-enhanced Raman spectroscopy (SERS) has emerged as a promising technique for the detection of these materials, yet concerns over the sensitivity of SERS spectra of dyes to chemical and instrumental variables (such as pH, choice of SERS substrates and/or aggregants, and excitation wavelength) have prevented its widespread use in analytical applications. (ojp.gov)
As a vibrational spectroscopy technique, Raman spectroscopy provides detailed spectra of chemical substances similar to infrared spectroscopy. (fraunhofer.de)
The figure below shows a Raman spectrum of acetaminophen and illustrates the high information density of those spectra, which is essential for the reliable identification of chemical substances or the determination of pure substance concentrations in complex mixtures. (fraunhofer.de)
The spectra of the crystals of pyridine picrate crude formula, C 11 H 8 N 4 O 7 , in the mid infrared (IR) and Raman are studied as a function of temperature. (academicjournals.org)
In this study Raman and FTIR spectra of all amino acids (AA) presented in proteins have been measured with a view to possible protein sequence dependent subtraction of vibration bands of AA side chains in the regions of amide I, II and III. (xray.cz)
left) Raman spectra of L-arginine measured from the polycrystalline sample and as DCDR deposit and (right) the detail view of DCDR deposited sample, whereas the white bar in the photography represents 20 m. (xray.cz)
In this chapter, we summarized the principle of Raman spectroscopy and surface enhanced Raman spectroscopy , the methods to process Raman spectra, the recent applications of Raman/SERS (surface-enhanced Raman spectroscopy ) in detecting chemical contaminants (e.g., pesticides , antibiotics , mycotoxins , heavy metals , and food adulterants) and microbiological hazards (e.g. (bvsalud.org)
Raman spectroscopy: brings out other information than IR absorption spectra. (lu.se)

Historically, Raman spectrometers used holographic gratings and multiple dispersion stages to achieve a high degree of laser rejection. (wikipedia.org)
Multi-modal analysis with Raman spectrometers By simultaneou. (thermofisher.com)
Our ViewPort® process analytical technology (PAT) components are revolutionary ports that act as a sterile-safe interface between optical measurement systems, such as Raman spectrometers, and bioreactors. (schott.com)
This unique system is equipped with a Raman unit available on Shimadzu's AIMsight infrared microscope and compatible with the IRTracer-100 and IRXross Fourier transform infrared (FTIR) spectrometers. (shimadzu.com)
Are you interested in other applications of our Raman Spectrometers? (edinst.com)
Fraunhofer IPM can draw on many years of experience in the design and construction of Raman measurement systems and offers support in the design of measurement systems, the adaptation of commercial spectrometers to customer specifications or the development of specific Raman systems. (fraunhofer.de)
I am currently the Marketing Manager at Tornado Spectral Systems and responsible for the outbound messaging and positioning of Tornado's Raman spectrometers and systems. (lu.se)
Tornado designs and manufactures Raman spectrometers and process (PAT) systems and I work with a cross-functional team of application scientists and sales reps to create customer-facing collateral, along with various sales and marketing materials. (lu.se)
Q: Tornado Spectral Systems manufactures spectrometers and systems for Raman spectroscopy. (lu.se)

Water interference is another common issue in many analytical techniques, such as Fourier Transmission Infra-Red Spectroscopy (FTIR). (edinst.com)
Attend this on-demand webinar and learn how handheld and portable Near Infrared (NIR), Raman and FTIR spectroscopic technologies can be effective and useful tools to assess the. (sepscience.com)
This on-demand talk presents a survey of work performed in using Raman scattering, ATR-FTIR and Raman optical activity, which is a chirally sensitive form of Raman. (sepscience.com)
Raman and infrared (FTIR) spectroscopy can provide good wealth of information about protein structure in comparison to other methods of optical spectroscopy. (xray.cz)
During this time, she developed and utilized optical and laser-based methods, including online Raman scattering, UV-Vis-NIR absorption spectroscopy, and FTIR spectroscopy, to examine the properties of soot particles in low-pressure flames. (lu.se)

Raman spectroscopy is a nondestructive optical microscopy technique that exploits the interaction of light with chemical bonds in a sample. (genengnews.com)
However, Raman spectroscopy, like other optical microscopy techniques, is restricted by the "diffraction limit. (genengnews.com)
Raman microscopy requires minimal sample preparation and provides instant visual information-enabling users even without Raman expertise to rapidly identify molecular compounds and contaminants. (thermofisher.com)
Today, Raman microscopy is used in almost every field of scientific research from art conservation to biology to pharmaceuticals. (thermofisher.com)
Whether you're new to Raman microscopy or looking for a handy reference to share with visitors to your lab, this 30-page booklet describes how Raman microscopy works and what it does. (thermofisher.com)
The Raman imaging company WITec has established itself as a market leader in the field of 3D Raman microscopy and correlative Raman imaging with AFM, SNOM or SEM. (spectroscopyeurope.com)
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)
Raman microscopy is proving to be a vital method for microplastic analysis. (edinst.com)
confocal Raman and photoluminescence microscopy are well suited to deal with such samples. (spectroscopyeurope.com)

Raman spectroscopy (/ˈrɑːmən/) (named after physicist C. V. Raman) is a spectroscopic technique typically used to determine vibrational modes of molecules, although rotational and other low-frequency modes of systems may also be observed. (wikipedia.org)
Raman spectroscopy is commonly used in chemistry to provide a structural fingerprint by which molecules can be identified. (wikipedia.org)
Nie, S.M. & Emery, S.R. Probing single molecules and single nanoparticles by surface-enhanced Raman scattering. (nature.com)
With Raman spectroscopy, researchers can obtain a chemical fingerprint of the molecules within a sample. (thermofisher.com)
Raman spectroscopy is one type of analytical technique used in the life sciences to identify the molecules in a sample. (schott.com)
Visible and near-IR lasers have photon energies below the first electronic transitions of most molecules, but when the photon energy of the laser lies within the electronic spectrum of a molecule, as is the case for UV lasers and most molecules, the intensity of Raman-active vibrations can increase by many orders of magnitude. (idex-hs.com)
The immunoreaction between the antibodies and antigens was demonstrated by the detection of characteristic Raman bands of the probe molecules. (unboundmedicine.com)
Raman spectroscopy allows for the detection and identification of molecules through their unique vibrational and rotational energy level structure. (idex-hs.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)

Surface-enhanced Raman scattering (SERS) is a powerful fingerprint vibrational spectroscopy with a single-molecule detection limit, but its applications are generally restricted to 'free-electron-like' metal substrates such as Au, Ag and Cu nanostructures. (nature.com)
We have invented a shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) technique, using Au-core silica-shell nanoparticles (Au@SiO 2 NPs), which makes SERS universally applicable to surfaces with any composition and any morphology. (nature.com)
Single molecule detection using surface-enhanced Raman scattering (SERS). (nature.com)
This publication highlights the important research topic of extracellular vesicles (EVs) which were studied using Timegated® Raman (TG-Raman) and surface-enhanced Timegated® Raman spectroscopy (TG-SERS). (timegate.com)
Raman with SERS enhancement and without disturbing fluorescence is highly interesting since this serves as a potential technique to screen EVs even on the level of single EVs. (timegate.com)
We further assessed the efficacy of time-gated Raman spectroscopy (TG-RS) and surface-enhanced time-gated Raman spectroscopy (TG-SERS) to characterize EVs. (timegate.com)
While the conventional continuous wave excitation Raman spectroscopy did not provide a notable signal, prominent signals were obtained with the TG-RS that were further enhanced in the TG-SERS. (timegate.com)
Furthermore, this year's program will include a special focus on SERS and SORS applications of Raman spectroscopy and a workshop on spectral interpretation, which will take place after the School. (centrorestaurovenaria.it)

Raman benchtop setups can be up to a meter long depending on the level of spectroscopic resolution needed," said Pao-Tai Lin, assistant professor in the Department of Electrical and Computer Engineering and the Department of Materials Science and Engineering. (photonics.com)
To help our customers learn more about this valuable micro-spectroscopic technique, we recently introduced the second edition of our " Raman Essential Knowledge " briefing booklet. (thermofisher.com)
Müller J, Knop K, Wirges M, Kleinebudde P. Validation of Raman spectroscopic procedures in agreement with ICH guideline Q2 with considering the transfer to real time monitoring of an active coating process. (europeanpharmaceuticalreview.com)

The researchers chose aluminum nitride for its low Raman background system and low propensity to interfere with the Raman signal coming from a test sample. (photonics.com)
Since even a 4000 cm-1 (very large) Stokes shift leads to Raman emission below 300 nm when excited by a common 266 nm laser, autofluorescence simply does not interfere with the Raman signal making high signal-to-noise ratio measurements possible. (idex-hs.com)

This application note will investigate 3 polymers, polyethylene (PE), polytetrafluoroethylene (PTFE), and nylon-6, using the Edinburgh Instruments RM5 Raman Microscope. (photonics.com)
And when performing Raman spectroscopy on a microscope, they can see the spatial distribution of these molecular components at the microscopic levels. (thermofisher.com)
With enhanced software features and higher spatial resolution, users gain research-grade imaging faster than ever from the Thermo Scientific™ DXR3xi Raman Imaging Microscope. (thermofisher.com)
Also, please check out our DXR3xi Raman Imaging Microscope webpage. (thermofisher.com)
Shimadzu Scientific Instrument's AIRsight™ Infrared/Raman Microscope provides a two-in-one solution for molecular analysis. (shimadzu.com)
The AIRsight Infrared/Raman Microscope is equipped with a standard extensive selection of libraries, including proprietary Shimadzu libraries and libraries for substances ranging from typical reagents to macromolecules. (shimadzu.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)
InP nanowires were intentionally bent with an atomic force microscope and variations in the optical phonon frequency along the wires were mapped using Raman spectroscopy. (lu.se)
In Raman microspectroscopy, a laser beam is flashed on the sample using an optical microscope, and the light scattered by the bacterium gives a unique spectrum, which would allow scientists or clinicians to identify them individually. (indiatimes.com)

Raman micro spectroscopy has proven to be a convenient and reliable technique for determining both of these properties. (horiba.com)

This is consistent with results of TOF photofragment spectroscopy experiments which indicate much more internal excitation of the photoproducts from 1-chloro-2-iodoethane photodissociation than the photoproducts from iodoethane photodissociation. (hindawi.com)
Another important difference, however, is that the scattered Raman signal (as a percentage of the excitation power) is several orders-of-magnitude weaker than the corresponding fluorescence signal. (idex-hs.com)
11-13 Advanced process control and adaptive feeding are possible even in highly fluorescing bioprocesses, with the use of 993nm excitation Raman systems. (europeanpharmaceuticalreview.com)

The high structural selectivity of Raman spectroscopy, combined with both spectral and spatial resolution as well as the non-destructive nature of this technique make it an ideal candidate as a standard characterisation tool in the fast growing field of graphene. (horiba.com)
For the most discriminating Raman measurements, eliminate laser spectral noise leakage by cleaning up your laser spectrum with a matched MaxLine™ laser clean-up filter . (idex-hs.com)
Many labs rely on spectral libraries to analyse Raman Scatter data and identify materials. (labmate-online.com)
As opposed to an IR spectrometer, however, a Raman spectrometer captures this information in the visible spectral range and thus avoids the particular challenges of the infrared spectral region. (fraunhofer.de)
To this end, the spectral database that is being accumulated from laser-Raman studies of these Antarctic communities will provide a resource of potential biomarkers for future remote laser-Raman analysis on future Mars missions. (bas.ac.uk)

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)

Raman characterization allows valuable insights into the properties of semiconductor materials such as group IV semiconductors, compound semiconductors, 2D materials, and their devices. (horiba.com)
The chip, Lin said, is also capable of high-throughput, real-time chemical characterization, and despite its size, it is at least 10× more sensitive than conventional benchtop Raman systems. (photonics.com)
It can be used for the characterization of the atomic structure of solids because Raman scattering depends on the polarisation and direction of the incident light, the crystal symmetry and orientation of the solid sample, and the direction and polarisation of the scattered light. (kirensky.ru)
We report on the systematic open-aperture Z-scan characterization of the two-photon absorption properties in one of the most efficient solid-state Raman frequency shifters, the crystal potassium gadolinium tungstate [KGd(WO4)2]. (strath.ac.uk)

Fraunhofer IPM has developed a Raman spectrometer unit especially for the microscopic analysis of biological samples. (fraunhofer.de)

COLLEGE STATION, Texas, Sept. 3, 2020 - Researchers at Texas A&M University have invented a technology that can drastically downsize the apparatus used for Raman spectroscopy . (photonics.com)

As opposed to fluorescence methods, which require the addition of a separate fluorescing molecule as a "tag" attached to the actual molecule of interest, Raman spectroscopy allows direct detection of a molecule with no chemical alteration. (idex-hs.com)
Fluorescence is one of the biggest challenges for Raman, as it can overwhelm the signal from Raman scattering. (metrohm.com)
How does fluorescence affect the results when measuring with Raman? (metrohm.com)
Fluorescence is traditionally the biggest limitation for Raman. (metrohm.com)
Metrohm Raman uses its own proprietary method in MIRA XTR DS, a proven handheld 785 nm Raman system equipped with fluorescence rejection. (metrohm.com)

The name "Raman spectroscopy" typically refers to vibrational Raman using laser wavelengths which are not absorbed by the sample. (wikipedia.org)
Raman measurements are most commonly performed with green, red, or near-infrared (IR) lasers, largely because of the availability of established lasers and detectors at these wavelengths. (idex-hs.com)
Semrock stocks the widest selection of Raman-spectroscopy edge filters available, with edge wavelengths from 224 to 1550 nm. (idex-hs.com)

Tip-enhanced Raman spectroscopy (TERS) has been established as one the most efficient analytical techniques for probing vibrational states with nanoscale resolution. (ornl.gov)
Our experiments show that non-contact TERS can provide 10 nm spatial resolution and a Raman signal enhancement factor of 105, making it very promising for chemical imaging of materials with high aspect ratio surface patterns and biomaterials. (ornl.gov)
Scientists in Japan have invented a stable tip-enhanced Raman spectroscopy (TERS) imaging system that overcomes earlier restrictions of an imaging time window that was limited to 30 minutes. (genengnews.com)
The invention of TERS improved upon conventional Raman spectroscopy. (genengnews.com)
By introducing the high-order fiber vector beams and the linearly polarized beam from a fiber vector beam generator based on an electrically-controlled acoustically-induced fiber grating into a top-illumination tip-enhanced Raman spectroscopy (TERS) setup, the tip-enhanced Raman signal produced by the high-order fiber vector beams was 1.6 times as strong as that produced by the linearly polarized light. (mdpi.com)

We present a system which uses Raman microspectroscopy to scan cancer cell cultures and determine the type of cancer present. (spie.org)
As a new quantitative method, heavy water-labeled single-cell Raman microspectroscopy can reduce damage to cells and human interference factors. (medsci.org)

For the first time, with this paper the writers Anatoliy Samoylenko, Martin Kögler, Artem Zhyvolozhnyi, Olha Makieieva, Geneviève Bart, Sampson S. Andoh, Matthieu Roussey, Seppo J. Vainio & Jussi Hiltunen show that Timegated® Raman can distinguish between the low level of oxygen deficiency (hypoxia) and normoxia of EVs and that it is a fast and far less expensive method than mass-spectroscopy, showing comparable results. (timegate.com)
Traditional detection methods such as liquid chromatography - mass spectroscopy for detecting food contaminants are expensive and time -consuming, and require highly-trained personnel and complicated sample pretreatment. (bvsalud.org)

The new Mira DS handheld Raman system from Metrohm uniquely addresses the need of first responders enabling them to quickly and accurately identify hazardous material and narcotics. (sepscience.com)

Dr. Hudgins has over 10 years of applied spectroscopy experience with significant expertise in an array of industries and applications including pulp & paper converting, nanomaterial discovery, explosives detection, and polymer engineering. (anton-paar.com)
We demonstrate a strategy for label-free protein detection through monitoring the Surface Enhanced Raman Spectrum of an aptamer probe attached to a gold nanoshell . (rsc.org)
The combination of portable Raman spectroscopy and DART-MS data resulted in an overall accuracy of 96 percent for the detection of both drugs and diluents. (ojp.gov)
Because of the similarities between the Antarctic cold desert ecosystems, which represent some of the most extreme terrestrial environmental habitats, and putative martian analogs, the laser-Raman spectrosocopic approach is proposed for the detection of former life on Mars analogs to terrestrial cyanobacteria under stress, such as stromatolites, evaporites, and endolithic communities. (bas.ac.uk)

One can study crystals in situ in extreme conditions-under high pressure, at high temperatures or both simultaneously, at low temperatures, or in electric or magnetic fields and extract thermodynamic data from the variations in the Raman bands with varying pressure-temperature-field conditions. (kirensky.ru)
Raman spectroscopy provides great potential for real-time and in situ measurement of relevant cell culture process parameters and product quality attributes. (sigmaaldrich.com)
Raman spectroscopy is used for a variety of active pharmaceutical ingredient (API) applications, including polymorph identification, quantitative analysis, in situ crystallisation monitoring, real-time release testing, unit operations monitoring, process‑induced transformations and continuous tableting. (europeanpharmaceuticalreview.com)
The successes of in-line Raman spectroscopy in API crystallisation and drug product formulation establishes an application basis for in situ bioprocess monitoring. (europeanpharmaceuticalreview.com)
Customers have reported benefits of in situ Raman for both cell culture and fermentation bioprocesses. (europeanpharmaceuticalreview.com)
7-10 Bioprocess‑optimised in situ Raman probes enable CIP/SIP and are compatible with glass, stainless steel and single-use bioreactors. (europeanpharmaceuticalreview.com)
Kaiser has been a leader of in situ monitoring and control in bioprocessing since 2007 because of our robust in situ Raman solutions and expertise in life sciences from R&D to GMP. (europeanpharmaceuticalreview.com)

The current study first used a panel of analytes comprised of 15 common drugs of abuse, 15 diluents, and 64 different mixtures comprising various ratios of analytes to measure bias, precision, and repeatability in accordance with United Nations Office on Drugs and Crime (UNODC) guidelines for handheld Raman field identification devices for seized material. (ojp.gov)
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)
Raman spectroscopy allows the reliable identification and quantification of chemical substances and mixtures. (fraunhofer.de)

HORIBA Scientific is the world leader in Raman spectroscopy, with benefits of more than 50 years of innovation in the technique. (horiba.com)

Surface-Enhanced Raman Scattering: Physics and Applications. (nature.com)
Noncontact tip-enhanced Raman spectroscopy for nanomaterials and biomedical applications. (ornl.gov)
In addition, Raman analysis can be used in a great variety of possible applications. (schott.com)
Read on to find out more about how Raman Spectroscopy works and some of the different applications for the light scattering technique. (labmate-online.com)
Our discussion will include an introduction to the theory, an analysis of its relationship to the other 5 topics discussed in previous episodes, a demonstration on both a portable and a handheld unit as well as some common applications of Raman spectroscopy. (bwtek.com)
The extension of Raman spectroscopy to bioprocessing has been successfully demonstrated for upstream and downstream applications. (europeanpharmaceuticalreview.com)
7 Similar to API applications, Kaiser's in-line Raman analysers for bioprocessing provide chemically-specific data, demonstrate excellent model transferability 8 and can be performed continuously and directly in the bioreactor. (europeanpharmaceuticalreview.com)
For several years, researchers from the Indian Institute of Science ( IISc ), led by Siva Umapathy , have been working on combining Raman spectroscopy with AI ( artificial intelligence ) for applications in diagnostics and healthcare. (indiatimes.com)
Raman spectroscopy: Principles and recent applications in food safety. (bvsalud.org)

The light-based nature of Raman spectroscopy makes it a non-destructive and non-contact way to perform measurements. (schott.com)
The measurements were especially focused on new method of non-enhanced Raman spectroscopy the drop coating deposition Raman (DCDR) spectroscopy [1] based on a coffee ring effect, which enables measurements of solutions with concentration of biomolecules down to ca. 0.01 mg/mL. (xray.cz)
The Raman measurements were performed on extremely diluted amino acid samples (0.005 mg/mL) where coffee ring effect doesn't play a role to avoid formation of microcrystals. (xray.cz)

Known mixtures of cancer cells are mapped on a Raman hyperspectral image which displays where each cancer type is located. (spie.org)
Since implementation of portable Raman spectroscopy can remove the need for direct interaction with solid and liquid specimens, this study used a portable, 785 nm, Raman spectroscopy system for screening seized drug samples, including mixtures. (ojp.gov)
Raman spectroscopy can be used to identify most materials that are present at a sufficient quantity and purity and/or in simple mixtures. (metrohm.com)

As an increasing number of compact, affordable, and high-power UV lasers have become available, like the quadrupled, diode-pumped Nd:YAG lasers at 266 nm and NeCu hollow-cathode metal-ion lasers at 248.6 nm, ultra-sensitive UV Raman spectroscopy has become a more common technique. (idex-hs.com)

The Raman effect was named after one of its discoverers, the Indian scientist C. V. Raman, who observed the effect in organic liquids in 1928 together with K. S. Krishnan, and independently by Grigory Landsberg and Leonid Mandelstam in inorganic crystals. (wikipedia.org)
High-resolution stimulated Raman gain spectroscopy of the Q(1)(0) transition of para-H-2 crystals with varying ortho-H-2 concentrations is reported. (ubc.ca)

We have done preliminary time-dependent wavepacket calculations to simulate the resonance Raman intensities and absorption spectrum in order to learn more about the short-time photodissociation dynamics. (hindawi.com)
We compare our preliminary results for 1-chloro-2-iodoethane with previous resonance Raman results for iodoethane and find that there appears to be more motion along non- C-I stretch modes for 1-chloro-2-iodoethane than for iodoethane. (hindawi.com)
This effect is called "resonance-enhanced" Raman scattering. (idex-hs.com)
The project will focus of the theoretical description of photoabsorption, resonance Raman scattering, IR/UV sum-frequency generation and photoelectron spectroscopy. (europa.eu)

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)

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)

Accurate, sensitive and non-destructive, Raman Spectroscopy is one of the most useful analytical techniques available to scientists. (labmate-online.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)
Note: molecular vibrational spectroscopies only detect two or more atoms that have a molecular bond between them-salts, ions, and metals require other analytical methods. (metrohm.com)
Raman spectroscopy is an established Process Analytical Technology (PAT), enabling QbD and continuous approaches to pharmaceutical manufacturing. (europeanpharmaceuticalreview.com)
Esmonde-White K, Cuellar M, Uerpmann C, Lenain B, Lewis I. Raman spectroscopy as a process analytical technology for pharmaceutical manufacturing and bioprocessing. (europeanpharmaceuticalreview.com)
Raman spectroscopy is an advanced analytical technique in a manner of non-destructive, rapid, cost -effective, and ultrasensitive sensing various hazards in agri- foods . (bvsalud.org)

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 latest Raman Spectroscopy instruments are highly sensitive and can analyse samples with pinpoint accuracy - 0.5 µm to be specific. (labmate-online.com)

2-6 The diverse API structures and formulations that have been quantified by Raman show that Raman methods can reliably provide quantitative data. (europeanpharmaceuticalreview.com)

An article Timegated® Raman spectroscopy and proteomics analyses of hypoxic and normoxic renal carcinoma extracellular vesicles is published in Nature - Scientific Reports. (timegate.com)

Raman is a form of molecular spectroscopy that is observed as inelastically scattered light when a sample is excited by a laser. (metrohm.com)

Raman spectroscopy is a non-destructive chemical analysis technique that uses inelastic scattering of light to study the vibrational modes in a sample. (horiba.com)
Raman spectroscopy has emerged as a key technique for studying this exceptional material. (horiba.com)
This webinar presents a series of samples that were characterized using a Rheo-Raman technique to fully characterize material changes as a function of shear and temperature. (anton-paar.com)
In recent years, Raman Spectroscopy has been found to be a key technique in identifying the chemical composition of ocean microplastics. (edinst.com)
Discussing the benefits of handheld Raman spectroscopy technology and devices, including recent improvements in the technique for raw material testing. (sepscience.com)
Raman Spectroscopy is an advanced chemical analysis technique used to uncover information about the chemical signature of a material. (labmate-online.com)
Raman is an ideal technique for aqueous solutions, as water's signal does not interfere with that of the solute. (metrohm.com)
Among these, Raman spectroscopy has attracted increasing attention as a highly sensitive molecular imaging technique for studying complex biological systems, including cells, tissues, and various biological materials [ 4 ]. (medsci.org)

As the spectrometer's laser interacts with a sample, the energy of the light scattered back is shifted resulting in a Raman spectrum that gives valuable information about the chemical structure. (metrohm.com)
It is a much more efficient emission process, causing overwhelming background noise in the Raman spectrum and obscuring Raman peaks. (metrohm.com)
3. What information can be obtained from the Raman spectrum? (metrohm.com)
Peaks in the Raman spectrum are very narrow, which heightens specificity and selectivity. (metrohm.com)
Raman spectroscopy analyzes the biochemical components of a sample by measuring the inelastic scattering of light by different molecular species, producing a spectrum based on the chemical bonds present within the analyzed samples. (medsci.org)

Raman spectroscopy relies upon inelastic scattering of photons, known as Raman scattering. (wikipedia.org)

Moskovits, M. Surface-enhanced spectroscopy. (nature.com)
Strong surface-enhanced Raman (SER) signals of thiophenol and p-aminothiophenol have been obtained with these colloids. (unboundmedicine.com)

Thanks to the ongoing development of new technologies, such as Raman spectroscopy, continuous monitoring methods can now be used to observe key parameters in real time. (schott.com)
The scientific objective of the VIBRAMAN project is to develop and apply computational strategies based on quantum chemical methods (mostly Density Functional Theory) to simulate electronic and vibrational spectroscopies. (europa.eu)
Currently, the commonly used methods to quantify heavy water concentration include the density method, mass spectrometry, and spectroscopy techniques [ 3 ]. (medsci.org)

Fourier-transform laser Raman spectroscopy in the near infrared (1064 nm) has been used to characterize a variety of key pigments and biomolecules produced by cyanobacteria and other stress-tolerant microbes in material from extreme Antarctic cold deserts analogous to martian habitats. (bas.ac.uk)

In This Edition Chromatography Articles - Faster and automated analysis of aroma compounds in cosmetics Mass Spectrometry & Spectroscopy Articles - Frequently Asked Questions (FAQ) abou. (labmate-online.com)
Some salts, ionic compounds, and metals are not suitable for Raman analysis. (metrohm.com)
Hédoux A, Guinet Y, Descamps M. The contribution of Raman spectroscopy to the analysis of phase transformations in pharmaceutical compounds. (europeanpharmaceuticalreview.com)

Near infrared and Raman spectroscopy for the in-process monitoring of pharmaceutical production processes. (europeanpharmaceuticalreview.com)

As Lead Scientist, Dr. Hudgins' work at Anton Paar USA includes both industrial and governmental partnerships devoted to novel Raman application development and optimization. (anton-paar.com)
How does SCHOTT facilitate the application of Raman spectroscopy? (schott.com)
Raman spectroscopy is now finding wide-ranging application in pure and applied science. (kirensky.ru)
This makes Raman Spectroscopy useful for any application that calls for chemical microanalysis in the nanometre range. (labmate-online.com)
Wang X, Liu Nm, Zhao Yf, Yang F, Zhu Zj, Song D. Research Progress in the Medical Application of Heavy Water, Especially in the Field of D 2 O-Raman Spectroscopy. (medsci.org)
Application benefits of Raman in upstream biopharmaceutical manufacturing include the ability to simultaneously measure nutrients, metabolites and cell viability, cross-scale method transfer without significant method rework, and the ability to implement advanced process control. (europeanpharmaceuticalreview.com)

In the past, photomultipliers were the detectors of choice for dispersive Raman setups, which resulted in long acquisition times. (wikipedia.org)

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)

Raman won the Nobel Prize in Physics in 1930 for this discovery. (wikipedia.org)

Raman spectroscopy can help users observe the progression of a chemical reaction, differences in crystallinity between polymorphs, and changes in bond energies that arise from applied stress on a material. (metrohm.com)

In the years following its discovery, Raman spectroscopy was used to provide the first catalog of molecular vibrational frequencies. (wikipedia.org)
Each curve shows the intensity of the Raman shift produced by various frequencies of incident light. (gaussian.com)

Anatomy4

Organisms7

Diseases2

Chemicals and Drugs104

Analytical, Diagnostic and Therapeutic Techniques and Equipment63

Phenomena and Processes62

Disciplines and Occupations12

Technology, Industry, Agriculture12

Information Science7

Health Care7

Spectra19

Spectrometers9

FTIR5

Microscopy10

Molecules11

SERS8

Spectroscopic3

Interfere with the Raman signal2

Microscope10

Micro spectroscopy1

Excitation3

Spectral5

Fingerprint1

Characterization4

Spectrometer1

20201

Fluorescence5

Wavelengths3

TERS5

Microspectroscopy2

Mass-spectroscopy2

Metrohm1

Detection4

Situ7

Identification3

HORIBA1

Applications9

Measurements3

Mixtures3

Lasers1

Crystals2

Resonance4

Contaminants1

Vibrations1

Analytical6

Analyse samples2

Quantitative1

Proteomics1

Inelastically scattered light1

Technique8

Spectrum5

Photons1

Surface-enhanced2

Methods3

Biomolecules1

Analysis3

Near Infrared1

Application6

Setups1

Edinburgh Instruments1

Physics1

Crystallinity1

Frequencies2