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Liquid Analysis Articles & Analysis
114 articles found
Dissolved gas analysis is a critical component of volcanic groundwater monitoring. By evaluating gas, liquid and soil samples on-site or in the laboratory, operators can identify volatile signatures tied to active systems. ...
The Real Culprit Behind the Damage To find out, the team soaked a catalytic converter in caustic soda for 48 hours. The liquid turned cloudy, and lab analysis revealed precious metals had leached out. ...
A pH sensor can be connected via cable to a liquid analysis transmitter (sometimes called a liquid analyzer). The transmitter receives the raw voltage signal from the pH sensor and then converts it to display the pH reading. ...
Obtaining precise results in X-ray fluorescence (XRF) analysis requires thorough and proper sample preparation. For liquid samples, meticulous preparation ensures high accuracy and reproducibility of measurement outcomes. This article covers essential aspects of liquid sample preparation and handling procedures for XRF ...
As a highly efficient sample pretreatment device, the graphite digestion and acid removal instrument has been widely used in the field of chemical analysis due to its advantages, greatly improving experimental efficiency and analytical quality. I. The Key Role of Sample Digestion Chemical analysis often requires transforming complex samples into a form suitable for instrumental detection, and ...
The preparation of liquids using X-ray fluorescence analysis is done by simply pouring the sample into a sample ...
The following list encompasses instruments that are commonly used for environmental analysis: Avance III 400MHz NMR: applied for Component Analysis, Micro-analysis, Surface Analysis, Structure Identification, Performance Analysis, Toy Analysis, Polymer Material Analysis, Spice ...
In in vitro phosphorylation proteomics analysis, the target protein or protein mixture is first phosphorylated under laboratory conditions. ...
Mass Spectrometry DetectionThrough enzymatic digestion, liquid chromatography, and mass spectrometry analysis, acetylation sites can be precisely identified, and their abundance can be quantitatively analyzed.Histone acetylation modifications play an important role in gene expression regulation, and accurate, sensitive detection methods are crucial for a deeper ...
Protein DigestionNext, enzymes such as trypsin are used to cut the proteins into peptides, making them suitable for LC-MS analysis.3. Liquid Chromatography SeparationThe digested peptides are then separated using liquid chromatography. ...
Each peak on the mass spectrum represents a specific m/z ratio, and the height of the peak indicates the ion intensity or abundance of that ratio.ApplicationsLiquid Chromatography-Mass Spectrometry/Mass Spectrometry (LC-MS/MS) is based on liquid chromatography and further sends the obtained compounds into a mass spectrometer for analysis. The role of ...
However, spectrophotometric methods may lack specificity, especially in complex mixtures containing other pigments or compounds with overlapping absorbance spectra. Chromatographic methods Liquid chromatography (LC) and gas chromatography (GC) are powerful separation techniques widely used for anthocyanin analysis. ...
TMT tags are a set of chemical markers that can covalently bind to the amino terminus and lysine side chains of proteins or peptides. Through mass spectrometry analysis, these tags allow the simultaneous quantitative analysis of protein expression differences in up to 16 different samples. ...
Mass Spectrometry DetectionDeuterated peptides are separated by low-temperature HPLC/UPLC, and then entered into MS analysis. Based on the mass difference between hydrogen and deuterium, MS can monitor HDX changes by measuring the mass center displacement of peptides.5. ...
It uses the distribution equilibrium between different substances in the liquid mobile phase and the stationary phase for separation, and then detects the separated components. In protein analysis, high performance liquid chromatography (HPLC) is used to separate complex protein mixtures, and mass spectrometer (MS) is used to detect and analyze ...
These techniques can not only determine the molecular weight of small molecule peptides but also identify the sequence of peptide segments through database search and algorithm analysis.2. High-Performance Liquid Chromatography (HPLC)HPLC is a separation analysis technique that can be used for the purification and identification of small molecule ...
It is often used for peptide mass spectrometry analysis, especially in protein identification and proteomics research. ...
PEGylation can significantly improve the in vivo stability of drugs, reduce the immunogenicity of protein drugs, and enhance their therapeutic effect.Services at Mtoz BiolabsThe detection methods of PEG-modified proteins include mass spectrometry, high-performance liquid chromatography, and enzyme-linked immunosorbent assay. Among them, mass spectrometry is the most commonly used ...
Enrich Ubiquitinated Peptides(1) Because ubiquitinated peptides may be of lower abundance in the overall sample, enrichment is usually necessary.(2) Use ubiquitin affinity antibodies or other enrichment strategies (such as K-ε-GG acyl peptide enrichment).3. LC-MS/MS Analysis(1) Use liquid chromatography (LC) and tandem mass spectrometry (MS/MS) to analyze the ...
Enrichment of Acetylated Peptides(1) Use antibodies with affinity or other methods to enrich peptides with acetylation modifications.3. Liquid Chromatography Tandem Mass Spectrometry Analysis (LC-MS/MS)(1) Use liquid chromatography-tandem mass spectrometry (LC-MS/MS) to analyze the enriched samples.(2) The mass spectrometer can accurately ...