Results 31 to 40 of about 6,659,593 (302)

Plasmon-Enhanced Enzymatic Reactions: A Study of Nanoparticle-Enzyme Distanceand Nanoparticle Loading-Dependent Enzymatic Activity

open access: yesNano Biomedicine and Engineering, 2011
A detailed investigation of the dependence of the efficiency of plasmon-enhanced enzymatic reactions on the distance between silver island films (SIFs) and horse radish peroxidase (HRP) enzyme and on the loading of SIFs on glass surfaces is presented ...
Biebele Abel   +3 more
doaj   +1 more source

Purification and Characterization of the Enzyme Fucoidanase from Cobetia amphilecti Utilizing Fucoidan from Undaria pinnatifida

open access: yesFoods, 2023
Fucoidanase is an unstable enzyme with high specificity that requires a large about of time to screen it from microorganisms. In this study, enzymatic hydrolysis was used to produce low-molecular-weight fucoidan from microorganisms via the degradation of
Shu Liu   +7 more
doaj   +1 more source

Extracellular Enzymatic Activity of Candida Species Isolated from Patients with Head and Neck Cancer Undergoing Radiation Therapy and Its Correlation with Mucositis: A Cross-Sectional Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2023
Introduction: The differences in enzymatic activity expressed by various Candida species determine their virulence and play a pivotal role in understanding the pathogenesis of candidiasis.
Neethu Babu   +3 more
doaj   +1 more source

GMPPB-congenital disorders of glycosylation associate with decreased enzymatic activity of GMPPB

open access: yesMolecular Biomedicine, 2021
The congenital disorders of glycosylation (CDG) are a family of metabolic diseases in which glycosylation of proteins or lipids is deficient. GDP-mannose pyrophosphorylase B (GMPPB) mutations lead to CDG, characterized by neurological and muscular ...
Zhe Liu   +8 more
doaj   +1 more source

In Vitro Enzymatic Studies Reveal pH and Temperature Sensitive Properties of the CLIC Proteins

open access: yesBiomolecules, 2023
Chloride intracellular ion channel (CLIC) proteins exist as both soluble and integral membrane proteins, with CLIC1 capable of shifting between two distinct structural conformations. New evidence has emerged indicating that members of the CLIC family act
Amani Alghalayini   +6 more
doaj   +1 more source

Impact of Selected Plant Species on Enzymatic Activity of Soil Substratum on Post-Mining Heaps [PDF]

open access: yes, 2018
The natural mineral resources (hard coal, sands, dolomites, lead and zinc ores) found in the Silesia and the excavation of them led to significant transformation or even degradation of the environment.
Sierka, E   +15 more
core   +2 more sources

Effect of Pesticides on Enzymatic Activity in Soil

open access: yesBulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies, 2018
The focus of this article is to provide informations about soil enzymatic activity as a biological indicator for impacts of pesticides on soils. In this experiment, an ecological soil was treated with two types of fungicide (Ridomil Gold and Bravo 500 ...
Maria- Mihaela MICUȚI   +2 more
doaj   +1 more source

VAGINAL LACTOBACILLI REGULATE THE ACTIVITY OF MURAMIDASE VIA HYDROGEN PEROXIDE AND SURFACTANTS

open access: yesЖурнал микробиологии, эпидемиологии и иммунобиологии, 2018
Aim. Evaluation of the effect of metabolites of vaginal lactobacilli on the enzymatic and bactericidal activity of muramidase. Materials and methods. We investigated how the enzymatic and bactericidal activity of muramidase changes after treatment with ...
A. V. Sgibnev, E. A. Kremleva
doaj   +1 more source

Determination of Carboxypeptidase Activity in Clinical Pathogens by Gas Chromatography–Mass Spectrometry [PDF]

open access: yes, 2016
A novel method for the determination of benzoic acid has been employed to identify carboxypeptidase activities in clinically relevant pathogens. Benzoic acid was determined after chemical derivatization by gas chromatography–mass spectrometry (GC–MS).
Dean, John   +3 more
core   +1 more source

Enzymatic assay for cholesterol ester hydrolase activity.

open access: yesJournal of Lipid Research, 1978
A rapid and accurate method is described for the assay of cholesterol ester hydrolase (CEH) activity. Aliquots of the enzyme-substrate incubation mixture are extracted into isopropanol.
L L Gallo   +3 more
doaj   +1 more source

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