Results 101 to 110 of about 686,721 (344)

Separation of the Intermediates of D-Glucuronic Acid Metabolism by Paper Chromatography. [PDF]

open access: bronze, 1972
E. Puhakainen   +4 more
openalex   +1 more source

Enhanced Infection Resistance and Regenerative Healing of Titanium Implants via Peptide‐Loaded Biodegradable Coatings

open access: yesAdvanced Materials Technologies, EarlyView.
This study presents a new biodegradable coating for titanium implants using a natural antimicrobial peptide, caerin 1.9. Applied via solvent casting, the coating offers sustained antibacterial protection and promotes healing. Tested on 3D‐printed porous titanium scaffolds, it effectively prevented infection—including against resistant bacteria—while ...
Hejie Li   +7 more
wiley   +1 more source

PY/GC/MS ANALYSES OF HISTORICAL PAPERS

open access: yesBioResources, 2008
The thermal degradation of cellulose is an important process in several fields such as the paper industry, biomass combustion, fire retardation, etc. Paper consists mostly of cellulose fibres.
Yeghis Keheyan
doaj  

Quantitative Evaluation of Paper Chromatography Spots in Correlation with Physicochemical Properties of Engine Oils

open access: yesApplied Sciences
This study explores the potential of paper chromatography for evaluating the condition of used engine oils. A set of 25 oil samples was collected from vehicles operated under real driving conditions and analyzed using both laboratory methods (FTIR ...
Artur Wolak
doaj   +1 more source

Degradation Mechanisms in PEM Water Electrolysis: Diagnosis and Impact

open access: yesAdvanced Materials Technologies, EarlyView.
This review provides an analysis of degradation mechanisms in proton electrolyte membrane water electrolyzers (PEMWE), focusing on all key components. It discusses diagnostic and measurement techniques for evaluating degradation, less‐studied mechanisms, and an expert survey.
Annik Bernhardt   +11 more
wiley   +1 more source

Stereospecific analysis of natural fats triacyl-sn-glycerols by means of enzymatic methods and high performance liquid chromatography

open access: yesGrasas y Aceites, 1995
This paper is a review in which difficulties for the determination of the fatty acid stereospecific positions in the triacyl-sn-glycerol molecules of natural fats are discussed.
V. Ruiz Gutiérrez, L. J. R. Barrón
doaj   +1 more source

Nitrogen isotope analysis of ammonium and glycine [PDF]

open access: yes, 2005
Stable isotope techniques can be used as a tool in nitrogen cycling studies of different ecosystems. The studies are based on measurement of the heavy (15N)- to- light (14N) isotopic ratios of nitrogen in different biospheric pools.
Norlin, Elin
core  

Collection of blood on filter paper for measurement of glycated hemoglobin by affinity chromatography. [PDF]

open access: bronze, 1986
Randie R. Little   +4 more
openalex   +1 more source

Endocytic Control of Cell‐Autonomous and Non‐Cell‐Autonomous Functions of p53

open access: yesAdvanced Science, EarlyView.
NUMB Ex3‐containing isoforms localize to the plasma membrane, where they recruit p53 through SNX9 and direct it to multivesicular bodies and exosomes. Exported p53 is taken up by neighboring cells and activates nuclear programs, revealing an intercellular, exosome‐based pathway that might help establish a tumor‐suppressive microenvironment.
Roberta Cacciatore   +20 more
wiley   +1 more source

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