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Process Spectrometer Articles & Analysis
17 articles found
A lot can be learned about compounds and molecules by assessing their molecular masses and the make-up of their structures. This knowledge can provide an understanding of a compound’s characteristics, such as its solubility and reactivity, and help enforce quality control, for instance in pharmaceutics, by identifying contaminants and impurities. A technique used to quantify the ...
This technology identifies the diversity and specificity of T cells by measuring the sequences of the rearrangement regions of the TCRβ chain or α chain genes.(1) Sample Preparation: Total RNA or DNA is extracted from blood, tissue, or other samples enriched with immune cells.(2) Amplification: PCR amplification is performed using specific primers for multiple regions of the TCR genes, increasing ...
Therefore, understanding the relationship between protein structure and function is crucial for biological and medical research. In this process, obtaining the amino acid sequence of a protein is a fundamental and critical step. ...
The main technical means to achieve this is mass spectrometry, especially tandem mass spectrometry (MS/MS). Below is the basic processing procedure for protein sequencing samples. Protein Extraction 1. ...
The image analysis technology uses a spectrometer. The whole process involves detection of some spots, background subtraction, spot matching, and database construction. Image analysis and amino acid composition analysis need to be combined with other protein identification techniques to complete the whole process. Microsequencing technique has ...
When a fluorescent sample is excited in a spectrometer, four processes can occur to the photons of the excitation light: absorbed by the sample and remitted as fluorescence, transmitted through the sample, scattered elastically, or scattered in-elastically which is more commonly known as Raman scattering. ...
With the ongoing growth of process analytical technologies and of connected devices, more efforts have had to be put into developing reliable, safe, and efficient interfaces. Based on the 2060 online analysis platform, Metrohm Process Analytics has designed the perfect interface for any industrial process plant: the 2060 Human Interface (HI). ...
Mass spectrometry Analysis principle: molecules are bombarded by electrons in vacuum to form ions, which change according to different m / E through an electromagnetic field Information provided: mass number and relative kurtosis of molecular ions and fragment ions, and information on molecular weight, element composition, and structure The working process of mass ...
Analysis by TPD involves positioning the sample in an Ultra High Vacuum (UHV) chamber and heating the sample at different linear temperature ramp rates while collecting the desorption spectra using a quadrupole mass spectrometer. The desorption process must be measured in UHV conditions to eliminate contaminating elements from the study. ...
Catalysis is the process of modifying a chemical reaction with the use of a catalyst. This process only works with chemicals that have an existing reaction, and it is used to accelerate the reaction for commercial purposes. ...
Laser Induced Breakdown Spectroscopy or LIBS is an analytical technique that's been used in laboratories for many years. Most handheld LIBS analysers are used for fast sorting of alloys in scrap yards, and alloy identification and analysis in various applications within the metals industry. Watch video here. How does LIBS work? During LIBS analysis, a focused pulsed laser hits the sample ...
A fiber optic cable then takes the signal and pushes it through a spectrometer, where it is processed. The type of connector varies, depending on the specific IR wavelength being tested. ...
The products of the gasification process are a syngas, primarily carbon monoxide and hydrogen, which in a full-scale Ze-gen gasification plant will be used as fuel to generate electricity. The purpose of the test program is to monitor emissions from this process through a Mass Spectrometer as well as a variety of analyzers which provide real ...
Description Optical couplers are used to take the light coming from the source of a FTIR and route it through the sampling accessory and into the FTIR detector. This is an essential process in the effective use of the FTIR spectrometer. Therefore, optical couplers play an essential role in the proper use and maintenance of a FTIR system. ...
Traditionally, for analyses in the mid infrared, the technologies used for the measurement have been limited to fixed wavelength (NDIR –Non-Dispersive Infrared) filter-based methods and scanning methods based on either grating spectrometers or interferometer-based (FTIR) instruments. The last two methods have tended to be used more for instruments that are resident in the ...
The use of auto-carrier, frontal elution chromatography in conjunction with a process UV spectrometer allows for rapid online analysis of trace components even in complex streams containing interfering species. ...
Abstract In this paper, we present results from field studies of the application of a new laser based spectrometer incorporated with real-time dispersion modeling techniques to measure fugitive emissions from gas processing facilities. While open-path FTIR spectrometers can measure a variety of gaseous species, they suffer from the drawbacks of ...