Results 31 to 40 of about 1,259,046 (413)

Modified carbon nitride nanozyme as bifunctional glucose oxidase-peroxidase for metal-free bioinspired cascade photocatalysis

open access: yesNature Communications, 2019
Nanomaterials-based biomimetic catalysts with multiple functions are necessary to address challenges in artificial enzymes mimicking physiological processes.
Peng Zhang   +8 more
semanticscholar   +1 more source

Results in the determination of some Hosta varieties by the method of isoelectric focusing

open access: yesInternational Journal of Horticultural Science, 2001
Mass propagation of 5 newly introduced Hosta varieties was carried out by the method of micropropagation. Our aim was to determine exact variety specificity after the micropropagation period in the pattern of peroxidase isoenzymes by isoelectric focusing
A. Mándy   +3 more
doaj   +1 more source

eg occupancy as an effective descriptor for the catalytic activity of perovskite oxide-based peroxidase mimics

open access: yesNature Communications, 2019
A peroxidase catalyzes the oxidation of a substrate with a peroxide. The search for peroxidase-like and other enzyme-like nanomaterials (called nanozymes) mainly relies on trial-and-error strategies, due to the lack of predictive descriptors.
Xiaoyu Wang   +15 more
semanticscholar   +1 more source

Dysbiosis by neutralizing commensal mediated inhibition of pathobionts [PDF]

open access: yes, 2016
Dysbiosis in the periodontal microbiota is associated with the development of periodontal diseases. Little is known about the initiation of dysbiosis.
Bernaerts, Kristel   +6 more
core   +3 more sources

Multiscale Geometry of the Olsen Model and Non-Classical Relaxation Oscillations [PDF]

open access: yesJournal of Nonlinear Science, Vol. 25, No. 3, pp. 583-629, 2015, 2014
We study the Olsen model for the peroxidase-oxidase reaction. The dynamics is analyzed using a geometric decomposition based upon multiple time scales. The Olsen model is four-dimensional, not in a standard form required by geometric singular perturbation theory and contains multiple small parameters.
arxiv   +1 more source

Effects of exogenous zinc on the photosynthesis and carbonic anhydrase activity of millet (Setaria italica L.)

open access: yesPhotosynthetica, 2020
This study aimed to evaluate the effects of Zn on the growth safety and activity of carbonic anhydrase (CA) in foxtail millet (Setaria italica L.). The photosynthetic characteristics, CA activity, and relative gene expression of different varieties of ...
M.L. CAO, Y.X. LI, H.L. DU
doaj   +1 more source

Impaired Cuticle Functionality and Robust Resistance to Botrytis cinerea in Arabidopsis thaliana Plants With Altered Homogalacturonan Integrity Are Dependent on the Class III Peroxidase AtPRX71

open access: yesFrontiers in Plant Science, 2021
Pectin is a major cell wall component that plays important roles in plant development and response to environmental stresses. Arabidopsis thaliana plants expressing a fungal polygalacturonase (PG plants) that degrades homogalacturonan (HG), a major ...
Riccardo Lorrai   +6 more
doaj   +1 more source

Effect of Water Content on the Thermal Inactivation Kinetics of Horseradish Peroxidase Freeze-Dried from Alkaline pH [PDF]

open access: yes, 2001
The thermal inactivation of horseradish peroxidase freeze-dried from solutions of different pH (8, 10 and 11.5, measured at 25 C) and equilibrated to different water contents was studied in the temperature range from 110 to 150 C.
Hägerdal B.   +6 more
core   +2 more sources

Scanning Electron Microscopy and Metabolite Measurement Revealed the Stress Mechanism of PS-COOH Microplastics on Rhodotorula mucilaginosa AN5 [PDF]

open access: yesarXiv, 2022
Microplastics in the marine environment have been paid more and more attention by researchers, and the impact of these substances on marine microorganisms can not be ignored. Studies have shown that PS-COOH Microplastics are harmful to marine molluscs, algae and monads.
arxiv  

Levothyroxine in Women with Thyroid Peroxidase Antibodies before Conception

open access: yesNew England Journal of Medicine, 2019
Background Thyroid peroxidase antibodies are associated with an increased risk of miscarriage and preterm birth, even when thyroid function is normal. Small trials indicate that the use of levothyroxine could reduce the incidence of such adverse outcomes.
Rima K Dhillon-Smith   +33 more
semanticscholar   +1 more source

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