Results 1 to 10 of about 16,783,451 (339)

Structural and Functional Analysis of the Cdk13/Cyclin K Complex [PDF]

open access: goldCell Reports, 2016
Cyclin-dependent kinases regulate the cell cycle and transcription in higher eukaryotes. We have determined the crystal structure of the transcription kinase Cdk13 and its Cyclin K subunit at 2.0 Å resolution.
Ann Katrin Greifenberg   +8 more
doaj   +2 more sources

Characterization of HERV-K (HML-2) Rec proteins encoded in the human genome and their post-transcriptional function [PDF]

open access: yesJournal of Virology
Human endogenous retrovirus K (HERV-K) proviruses of the HML-2 subgroup are the most recently integrated retroviral elements within the human genome. The HERV-K Rec protein, a functional homolog of HIV Rev, is essential for the expression of viral mRNAs ...
Katarzyna Zurowska   +4 more
doaj   +2 more sources

Approximation properties of Stancu type Szász-Mirakjan operators

open access: yesAIMS Mathematics, 2023
In this paper, a class of Stancu type Szász-Mirakjan operators are introduced. The approximation properties of the operators are discussed using tools of modulus of continuity, modulus of smoothness and K-functional.
Bo-Yong Lian , Qing-Bo Cai
doaj   +1 more source

On slow decay of Peetre's K-functional [PDF]

open access: yesJournal of Mathematical Analysis and Applications, 2021
Submitted to a ...
J.M. Almira, P. Fernández-Martínez
openaire   +2 more sources

Facile synthesis of SnO2/graphene and Bi–SnO2/graphene-based nanocomposites as electrode materials for energy storage devices

open access: yesResults in Engineering, 2023
Graphene-based nanocomposites are widely investigated as cathode materials for energy storage device. Herein, tin oxide-modified graphene (SnO2/G) and bismuth-doped SnO2/G (Bi–SnO2/G) nanocomposites with nanorod-like morphology were synthesized by the ...
Muhammad Kaleem Shabbir   +9 more
doaj   +1 more source

Biosensor Based on Graphene Directly Grown by MW-PECVD for Detection of COVID-19 Spike (S) Protein and Its Entry Receptor ACE2

open access: yesNanomaterials, 2023
Biosensors based on graphene field-effect transistors (G-FET) for detecting COVID-19 spike S protein and its receptor ACE2 were reported. The graphene, directly synthesized on SiO2/Si substrate by microwave plasma-enhanced chemical vapor deposition (MW ...
Šarunas Meškinis   +11 more
doaj   +1 more source

Influence of potassium fertilization on the functional components and antioxidant activity of pummelo [Citrus maxima (Burm. Ex Rumph.) Merr.] fruit

open access: yesAnnals of Tropical Research, 2022
This study aimed to determine the influence of potassium (K) fertilization on the functional components and antioxidant activity of 13-year-old ‘Magallanes’ pummelo [Citrus maxima (Burm. Ex Rumph.) Merr.].
Alminda Magbalot-Fernandez   +1 more
doaj   +1 more source

LOBSTER: Local orbital projections, atomic charges, and chemical‐bonding analysis from projector‐augmented‐wave‐based density‐functional theory

open access: yesJournal of Computational Chemistry, 2020
We present an update on recently developed methodology and functionality in the computer program Local Orbital Basis Suite Toward Electronic‐Structure Reconstruction (LOBSTER) for chemical‐bonding analysis in periodic systems.
R. Nelson   +5 more
semanticscholar   +1 more source

Post-stroke Aphasia as a Prognostic Factor for Cognitive and Functional Changes in Patients With Stroke: Ischemic Versus Hemorrhagic [PDF]

open access: yesAnnals of Rehabilitation Medicine, 2020
Objective To investigate the comprehensive outcomes in aphasic patients, including their cognitive and functional status after ischemic or hemorrhagic stroke.
Kyung Cheon Seo   +5 more
doaj   +1 more source

Mitochondrial K+ Transport: Modulation and Functional Consequences

open access: yesMolecules, 2021
The existence of a K+ cycle in mitochondria has been predicted since the development of the chemiosmotic theory and has been shown to be crucial for several cellular phenomena, including regulation of mitochondrial volume and redox state.
Osvaldo Pereira, Alicia J. Kowaltowski
doaj   +1 more source

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