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Chemical Analysis of Microscopic Fluorescent Materials by Dispersive 1064 Raman SystemRaman measurement on microscopic inclusions in fluorescent materials requires the ability to measure in small volumes, excellent throughput, and long wavelength excitation such as 1064 nm for fluorescence reduction.
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Using the Full Spectrum for Raman: From UV to NIRThe "inelastic scattering of light," or Raman effect, was observed in practice for the first time in 1928 by C.V. Raman for which he was awarded the Nobel Prize in 1930.
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An Investigation into the Use of Alternate Carrier Gases for the Determination of Volatile Organic Compounds in Water by GC–MSThis study focuses on United States Environmental Protection Agency (US EPA) Method 524.3 for volatile organic compounds (VOCs) in water using gas chromatography–mass spectrometry (GC–MS).
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Atmospheric Applications IFS 125HRBruker's IFS 125HR spectrometer is designed as an ultra-high resolution FT-IR spectrometer which provides outstanding performance for R&D laboratory application.
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Using the Full Spectrum for Raman: From UV to NIRThe "inelastic scattering of light," or Raman effect, was observed in practice for the first time in 1928 by C.V. Raman for which he was awarded the Nobel Prize in 1930.
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Macro ATR-FT-IR Spectroscopic Imaging of Dynamic ProcessesMacro attenuated total reflection FT-IR spectroscopic imaging is a powerful and underutilized tool. This article presents an overview of approaches and opportunities for using this method to study dynamic processes such as diffusion, sorption, crystallization, and dissolution.
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Using the Full Spectrum for Raman: From UV to NIRThe "inelastic scattering of light," or Raman effect, was observed in practice for the first time in 1928 by C.V. Raman for which he was awarded the Nobel Prize in 1930.
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Determination of Sodium Lauryl Sulfate and Sodium Laureth Sulfate in Commercial Body Care ProductsA method for quantifying the percent sulfate associated with sodium lauryl sulfate (also referred to as sodium dodecyl sulfate) and sodium laureth sulfate (also referred to as sodium lauryl ether sulfate) found in commonly used commercial body care products using FT-IR attenuated total reflectance (ATR) spectroscopy is outlined.
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Using the Orbis Micro-XRF Spectrometer to Study the Microstructure of Ancient Roman Seawater ConcreteAncient Roman builders designed maritime concrete harbor structures to remain intact in the aggressive seawater environment for very long periods of time.
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Determination of Sodium Lauryl Sulfate and Sodium Laureth Sulfate in Commercial Body Care ProductsA method for quantifying the percent sulfate associated with sodium lauryl sulfate (also referred to as sodium dodecyl sulfate) and sodium laureth sulfate (also referred to as sodium lauryl ether sulfate) found in commonly used commercial body care products using FT-IR attenuated total reflectance (ATR) spectroscopy is outlined.
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Determination of PBDE Congeners Using GCMS-TQ8050Determination of PBDE congeners can be performed at high sensitivity with good accuracy using the GCMS-TQ8050.
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Monitoring the Thermal Treatment of a Heterogeneous Catalyst Using DRIFTSThe thermal treatment of a grafted Sn-SiO2 catalyst was monitored in situ using diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS).
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Getting Your Protein from RamanIn this application note, we evaluate the use of 785 nm Raman analysis as a complement to UV-vis spectroscopy in analyzing proteins.
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GC–MS Analysis of an Herbal Medicinal Remedy to Identify Potential Toxic CompoundsIn most countries, herbal medicinal products (HMPs) are introduced into the market without proper scientific evaluation or enforced safety and toxicological studies.
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Handheld FT-IR Spectroscopy for the Triage of Micro- and Meso-Sized Plastics in the Marine Environment Incorporating an Accelerated Weathering Study and an Aging EstimationFour of the most prevalent commodity plastics were analyzed on-site using handheld FT-IR spectroscopy to determine changes correlated with accelerated weathering in the marine environment.
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The Use of Portable Near-Infrared Spectroscopy for Authenticating Cardiovascular MedicinesPortable NIR spectroscopy is demonstrated as a rapid and mobile analysis method for authenticating cardiovascular medicines in critical situations, and to indicate whether formulations are counterfeit or substandard.
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Using the Full Spectrum for Raman: From UV to NIRThe "inelastic scattering of light," or Raman effect, was observed in practice for the first time in 1928 by C.V. Raman for which he was awarded the Nobel Prize in 1930.
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X-ray Diffraction and Fluorescence Spectroscopy Analysis of Sm3+ in Lithium Calcium SilicateLuminescence materials are important for modern technology because of their ability to convert electromagnetic radiation (that is, ultraviolet [UV] and infrared [IR] light) into visible light (1).
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Monitoring the Thermal Treatment of a Heterogeneous Catalyst Using DRIFTSThe thermal treatment of a grafted Sn-SiO2 catalyst was monitored in situ using diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS).
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Simultaneous Determination of Methylxanthines and Cotinine in Human Plasma by Solid-Phase Extraction Followed by LC–MS-MSA multiresidue method has been developed and validated for the analysis of methylxanthines (caffeine and its metabolites) and cotinine in human plasma.
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The Moxtek ICE Cube™ Polarizing BeamsplitterA broadband polarizing beamsplitter (PBS) cube was developed using embedded Moxtek® Nanowire® grid polarizer technology. The Moxtek ICE Cube™ PBS provides superior performance in broadband, low f/# spectroscopic applications where both high efficiency and excellent contrast are required.
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Monitoring the Thermal Treatment of a Heterogeneous Catalyst Using DRIFTSThe thermal treatment of a grafted Sn-SiO2 catalyst was monitored in situ using diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS).
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Improved Principal Component Discrimination of Commercial Inks Using Surface-Enhanced Resonant Raman ScatteringIn the three decades since its discovery, surface-enhanced Raman scattering (SERS) has been used in numerous applications to increase signal intensity in Raman scattering experiments. The current study provides insight into the more practical aspects of enhanced Raman sampling for laboratory users. We describe how the signal enhancement from a surface-enhanced resonant Raman scattering (SERRS) process improves the ability to discriminate between ink samples using principal component clustering.
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Matrix-Assisted Laser Desorption-Ionization Imaging Mass Spectrometry for Direct Tissue AnalysisA summary of the most recent advances in sample preparation, instrumentation, and data-processing techniques for MALDI-IMS
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Advances in Spectroscopy for Detection and Identification of Potential Bioterror AgentsMore-specific, sensitive, rapid, and portable spectroscopic methods detect biological threats.
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On-line Benchtop NMR Reaction MonitoringNMR spectra are chemically specific, enabling the measurements to be sensitive to molecular structure and reaction kinetics. Examples such as acetalisation of acetaldehyde are explained.
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ParticleFinder – Automated Particle Location and Raman Analysis with LabSpec 6Locate particles, generate size/shape statistics, select particles based on size/shape, and acquire Raman spectra. Easily locate and identify particulate matter, including pharmaceutical materials, trace forensic evidence, geological rock/mineral particles, and airborne contaminants trapped on filters
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Matrix-Assisted Laser Desorption-Ionization Imaging Mass Spectrometry for Direct Tissue AnalysisA summary of the most recent advances in sample preparation, instrumentation, and data-processing techniques for MALDI-IMS
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Responding to Data Analysis and Evaluation Challenges in Mass Spectrometry–Based Methods for High-Throughput ProteomicsThis new data-management method is specifically designed to handle the large amounts of data produced in proteomics studies. Experimental methods and data are presented from a recent study conducting proteomics profiling of Schizosaccharomyces pombe to demonstrate the effectiveness of the data management solution. The results demonstrate enhanced data search speeds as well as effective data analysis.
