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Editors’ Series: Portable Spectroscopy in 2020What is the current state of portable spectroscopy instruments? What applications are these targeted at? What S/N levels can these instruments achieve? Can consumer-oriented instruments provide reliable information in the hands of non-expert users? Join us for this webcast to learn the answers to these questions and more. Live: Tuesday, Feb. 11, 2020 at 11am EST | 8am PST | 4pm GMT | 5pm CET On demand available after airing until Feb. 11, 2021 Register free
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The Application of FT-NIR and Multivariate Analysis Methods for Characterization of an Industrial Mold Purging ProcessNear infrared (NIR) reflection spectroscopy and multivariate analysis have been used to characterize materials relating to an injection mold barrel purging process. NIR was compared to attenuated total reflectance-mid-infrared (ATR-MIR) spectral measurements to assess whether the NIR measurement was relevant to either the surface or the bulk of the samples.
Latest:
The Application of FT-NIR and Multivariate Analysis Methods for Characterization of an Industrial Mold Purging ProcessNear infrared (NIR) reflection spectroscopy and multivariate analysis have been used to characterize materials relating to an injection mold barrel purging process. NIR was compared to attenuated total reflectance-mid-infrared (ATR-MIR) spectral measurements to assess whether the NIR measurement was relevant to either the surface or the bulk of the samples.
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Mid-IR Spectroscopy as a Primary Tool in Carbon Biogeochemistry ResearchMid-infrared spectroscopy is applied as a primary technique to better understand the bio- and ultraviolet-transformation of soil microbial biomass. Soil microbial biomass constitutes as much as 50% organic carbon in soil organic matter, and therefore plays a crucial role in soil-atmospheric chemistry. In this study, the spatial distribution of microbial-derived organic structures on kaolinite and montmorillonite clay minerals was investigated.
Latest:
The Application of FT-NIR and Multivariate Analysis Methods for Characterization of an Industrial Mold Purging ProcessNear infrared (NIR) reflection spectroscopy and multivariate analysis have been used to characterize materials relating to an injection mold barrel purging process. NIR was compared to attenuated total reflectance-mid-infrared (ATR-MIR) spectral measurements to assess whether the NIR measurement was relevant to either the surface or the bulk of the samples.
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Native Measurement of a Biotherapeutic without Interference from Excipients Using Microfluidic Modulation SpectroscopyA new infrared spectroscopy technique, microfluidic modulation spectroscopy (MMS), delivers reproducible protein characterization over close to four orders of magnitude in protein concentration (from 0.1 to 200 mg/mL). This technique characterizes samples from the earliest stages of development through to manufacture.
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Native Measurement of a Biotherapeutic without Interference from Excipients Using Microfluidic Modulation SpectroscopyA new infrared spectroscopy technique, microfluidic modulation spectroscopy (MMS), delivers reproducible protein characterization over close to four orders of magnitude in protein concentration (from 0.1 to 200 mg/mL). This technique characterizes samples from the earliest stages of development through to manufacture.
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Key Steps to Follow in a FRET ExperimentFörster resonance energy transfer (FRET) is a versatile part of the toolbox of fluorescence methods. This through-space, photon-less energy transfer process between a donor fluorophore and an acceptor chromophore is perhaps most famous for its utility as a “molecular ruler” that can resolve nanometer-scale distances. FRET is also a popular and advantageous basis for biomolecular assays and sensors.
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Key Steps in the Workflow to Analyze Raman SpectraA more successful blueprint for analyzing Raman spectral data is outlined by following the 11 important steps, which are outlined here.
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Errors and Mistakes to Avoid when Analyzing Raman SpectraSeven common mistakes in the analysis of Raman spectra can lead to overestimating the performance of a model.
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Get Kitted Widdit! Simplifying Core Spectroscopy with Streamlined KitsWebinar Date/Time: Thu, Jan 18, 2024 11:00 AM EST
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Spectrophotometric Determination of Standard Parameters in Wastewater According to Standard MethodsStandard-compliant determination of various parameters including anions (group D), cations (group E), and substance group analysis (group F) in wastewater
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The miniDOAS: Low Cost, High Performance Contactless Ammonia MeasurementsKnowledge of atmospheric ammonia concentrations is important, but ammonia is difficult to measure. We report here on the development of a low-cost ammonia measuring differential optical absorption spectroscopy (DOAS) instrument, based on a small sized and low priced spectrograph.
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Raman Analysis of Si CrystallinityWhile crystalline silicon (c-Si) is still the material of choice for modern solar cell manufacturing, the drive toward lower cost, more efficient solar cells is prompting a renewed interest in thin-film amorphous silicon (a-Si). In light of this, it is more important than ever to have the ability to quickly identify Si crystallinity, both qualitatively and quantitatively. In this application note, we evaluate how a portable Raman spectrometer can be used in conjunction with a portable video microscope to measure crystallinity.
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ATR of a Photopolymerization ReactionThe photopolymerization curing process of a UV-curable photopolymer was investigated using time-resolved Attenuated Total Reflection spectroscopy.
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Analysis of FDA Infrared 483 Citations: Have You a Data Integrity Problem?Analysis of FDA Form 483 observations and warning letters for infrared spectrometers reveals a range of data integrity problems and a lack of laboratory procedures for the technique. Is your laboratory in the same situation?
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Combined Raman Spectroscopy and Rheology for CharacterizingBy combining Raman spectra interpretation with rheometric measurements, molecular conversion from crystalline to amorphous structures for polymers is revealed.
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Combined Raman Spectroscopy and Rheology for CharacterizingBy combining Raman spectra interpretation with rheometric measurements, molecular conversion from crystalline to amorphous structures for polymers is revealed.
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Combined Raman Spectroscopy and Rheology for CharacterizingBy combining Raman spectra interpretation with rheometric measurements, molecular conversion from crystalline to amorphous structures for polymers is revealed.
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Combined Raman Spectroscopy and Rheology for CharacterizingBy combining Raman spectra interpretation with rheometric measurements, molecular conversion from crystalline to amorphous structures for polymers is revealed.
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10 Reasons You Need a Next-Generation ICP-OES for Routine AnalysisWednesday, June 23, 2021 at 11am EDT| 8am PDT| 4pm BST|5pm CEST
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Arsenic Speciation in Krill and Other Marine Oils by Liquid Chromatography−Inductively Coupled Plasma-Mass SpectrometryAn arsenic speciation method using LA–ICP-MS was developed to provide a more accurate procedure for the determination of arsenic species in marine oils. It was validated for the analysis of five arsenic species in krill oil, and should also prove useful when quantitating inorganic arsenic species in other marine oils.
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Arsenic Speciation in Krill and Other Marine Oils by Liquid Chromatography−Inductively Coupled Plasma-Mass SpectrometryAn arsenic speciation method using LA–ICP-MS was developed to provide a more accurate procedure for the determination of arsenic species in marine oils. It was validated for the analysis of five arsenic species in krill oil, and should also prove useful when quantitating inorganic arsenic species in other marine oils.
Latest:
Arsenic Speciation in Krill and Other Marine Oils by Liquid Chromatography−Inductively Coupled Plasma-Mass SpectrometryAn arsenic speciation method using LA–ICP-MS was developed to provide a more accurate procedure for the determination of arsenic species in marine oils. It was validated for the analysis of five arsenic species in krill oil, and should also prove useful when quantitating inorganic arsenic species in other marine oils.
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Development of an Analytical Method to Determine Chromium, Iron, Nickel, and Zinc in Mouthwash by ICP-OES and Assessment of Possible Metal Migration from Stainless SteelA simple analytical method, requiring no sample pretreatment, was developed for determination of chromium, iron, nickel, and zinc in mouthwash by inductively coupled plasma‒optical emission spectrometry (ICP-OES). This method allowed the study of potential migration by iron, chromium, and nickel from stainless steel containers.
