Use of high pressure liquid chromatography in the study of liquid lubricant oxidation [PDF]
The general principles of classical liquid chromatography and high-pressure liquid chromatography (HPLC) are reviewed, and their advantages and disadvantages are compared.
Morales, W.
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Identification of a Widespread Palmitoylethanolamide Contamination in Standard Laboratory Glassware. [PDF]
Introduction: Fatty acid ethanolamides (FAEs) are a family of lipid mediators that participate in a host of biological functions. Procedures for the quantitative analysis of FAEs include organic solvent extraction from biological matrices (e.g., blood ...
Angelini, Roberto+3 more
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Review of centrifugal liquid-liquid chromatography using aqueous two-phase solvent (ATPS) systems: Its scale-up and prospects for the future production of high-value biologics [PDF]
The future challenges in bioprocessing include developing new downstream processes for the purification and manufacture of the protein based medicines of the future to relieve the predicted bottleneck being produced by increasingly high titres from ...
Sutherland, I A
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Electrochemical Process for Diazinon Removal from Aqueous Media: Design of Experiments, Optimization, and DLLME-GC-FID Method for Diazinon Determination [PDF]
In the present study, electrochemical process was studied via removal of diazinon (O,O-diethyl O-2-isopropyl-6-methylpyrimidin-4-yl phosphorothioate) as an insecticide/ acaricide organic case study.
Daraei, H.+4 more
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Background: Chromatographic techniques such as gas chromatography (GC), liquid chromatography (LC) and supercritical fluid chromatography (SFC) have long been employed in analytical chemistry. However, using or producing certain organic solvents and non-
Nimra Sohail+4 more
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Separation of whey proteins for chromatography liquid
This paper describes and compares three chromatographic methods for the analysis and quantification of most abundant proteins in cheese whey, -lactalbumin and -lactoglobulin. The methods were: Reverse-phase high performance liquid chromatography, anion
Abraham D. Giraldo Zuñiga+3 more
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Two rapid assays for screening of patulin biodegradation [PDF]
Artículo sobre distintos ensayos para comprobar la biodegradación de la patulinaThe mycotoxin patulin is produced by the blue mould pathogen Penicillium expansum in rotting apples during postharvest storage.
A Ciegler+38 more
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Development of quality assurance methods for epoxy graphite prepreg [PDF]
Quality assurance methods for graphite epoxy/prepregs were developed. Liquid chromatography, differential scanning calorimetry, and gel permeation chromatography were investigated. These methods were applied to a second prepreg system.
Chen, J. S., Hunter, A. B.
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Generic sample preparation combined with high-resolution liquid chromatography- time-of-flight mass spectrometry for unification of urine screening in doping-control laboratories [PDF]
A unification of doping-control screening procedures of prohibited small molecule substances—including stimulants, narcotics, steroids, ß2-agonists and diuretics—is highly urgent in order to free resources for new classes such as banned proteins ...
Georgakopoulos, C.G.+4 more
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Apple scab control with grapefruit seed extract: no alternative to chemical fungicides [PDF]
The growth inhibiting effect of four commercially available grapefruit seed extracts on the causal organism of apple scab Venturia inaequalis was tested.
Kelderer, Markus+5 more
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