Results 11 to 20 of about 1,224,293 (342)

Application of Biochar Produced from Crop Residues on Trace Elements Contaminated Soils: Effects on Soil Properties, Enzymatic Activities and Brassica rapa Growth

open access: yesAgronomy, 2021
Soil pollution by trace elements is a huge problem around the globe. In addition, heavy metal immobilization and primary productivity are two soil ecosystem services of contemporary importance to society.
Paloma Campos   +3 more
doaj   +1 more source

Functional Characterization and Structural Analysis of NADH Oxidase Mutants from Thermus thermophilus HB27: Role of Residues 166, 174, and 194 in the Catalytic Properties and Thermostability

open access: yesMicroorganisms, 2019
The Thermus thermophilus strain HB27 NADH-oxidase (Tt27-NOX) catalyzes the oxidation of nicotinamide adenine dinucleotide (NAD(P)H) by reducing molecular oxygen to hydrogen peroxide in a two-electron transfer mechanism.
Javier Rocha-Martin   +5 more
doaj   +1 more source

Advances in Immune Microenvironment and Immunotherapy of Isocitrate Dehydrogenase Mutated Glioma

open access: yesFrontiers in Immunology, 2022
The tumor immune microenvironment and immunotherapy have become current important tumor research concerns. The unique immune microenvironment plays a crucial role in the malignant progression of isocitrate dehydrogenase (IDH) mutant gliomas.
Dongming Yan   +4 more
doaj   +1 more source

Murine and human myogenic cells identified by elevated aldehyde dehydrogenase activity: Implications for muscle regeneration and repair [PDF]

open access: yes, 2011
Background: Despite the initial promise of myoblast transfer therapy to restore dystrophin in Duchenne muscular dystrophy patients, clinical efficacy has been limited, primarily by poor cell survival post-transplantation. Murine muscle derived stem cells
Bucsek, MJ   +4 more
core   +13 more sources

Effect of Thiosemicarbazone Derivatives and Fusarium culmorum (Wm.G. Sm.) Sacc. Infection of Winter Wheat Seedlings on Their Health Status and Soil Biological Activity

open access: yesAgronomy, 2022
Climate change has an impact on agricultural production, including the greater persistence of plant pathogens in the environment. Therefore, the question arises as to how to effectively and safely protect plants by using chemicals, the number of which is
Agnieszka Jamiołkowska   +7 more
doaj   +1 more source

Genome-wide analysis of the UDP-glucose dehydrogenase gene family in Arabidopsis, a key enzyme for matrix polysaccharides in cell walls [PDF]

open access: yes, 2007
Arabidopsis cell walls contain large amounts of pectins and hemicelluloses, which are predominantly synthesized via the common precursor UDP-glucuronic acid.
Klinghammer, Michaela, Tenhaken, Raimund
core   +1 more source

Enzymology of retinoic acid biosynthesis and degradation

open access: yesJournal of Lipid Research, 2013
All-trans-retinoic acid is a biologically active derivative of vitamin A that regulates numerous physiological processes. The concentration of retinoic acid in the cells is tightly regulated, but the exact mechanisms responsible for this regulation are ...
Natalia Y. Kedishvili
doaj   +1 more source

Chemical and microbiological characterization of Cambisols, Luvisols and Stagnosols

open access: yesPlant, Soil and Environment, 2009
Cambisols, Luvisols and Stagnosols are main soil taxonomical units covering 78% of the total area of the Czech Republic. In the period 2001-2008 soil samples from 13 arable and 2 grassed localities were collected and tested. Microbial biomass carbon (MBC)
L. Růžek   +5 more
doaj   +1 more source

Study of Surrogate Immunohistochemical Markers IDH1, ATRX, BRAF V600E, and p53 Mutation in Astrocytic and Oligodendroglial Tumors

open access: yesIndian Journal of Neurosurgery, 2023
Introduction In consonance with current the World Health Organization (WHO) classification of the central nervous system (CNS) tumors (2016), histological diagnosis of gliomas should be reinforced by molecular information.
Santosh Sharma   +5 more
doaj   +1 more source

Functional and Biogenetical Heterogeneity of the Inner Membrane of Rat-Liver Mitochondria [PDF]

open access: yes, 1971
Rat liver mitochondria were fragmented by a combined technique of swelling, shrinking, and sonication. Fragments of inner membrane were separated by density gradient centrifugation.
Allmann D. W.   +50 more
core   +1 more source

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