Results 151 to 160 of about 19,125,631 (415)

Graphene-polyelectrolyte multilayer membranes with tunable structure and internal charge [PDF]

open access: yes, 2020
One great advantage of graphene-polyelectrolyte multilayer (GPM) membranes is their tunable structure and internal charge for improved separation performance. In this study, we synthesized GO-dominant GPM membrane with internal negatively-charged domains,
Gu, P   +7 more
core   +1 more source

Advanced glycation end products promote the release of endothelial cell‐derived mitocytosis

open access: yesFEBS Open Bio, EarlyView.
Under diabetic conditions, AGEs induce mitochondrial damage in HUVECs, activating migrasome‐mediated mitocytosis. Migrasomes encapsulate damaged mitochondria and are released into the extracellular space, facilitating intercellular mitochondrial transfer.
Rong Liu   +6 more
wiley   +1 more source

Interning Ground Terms in XSB [PDF]

open access: yesarXiv, 2013
This paper presents an implementation of interning of ground terms in the XSB Tabled Prolog system. This is related to the idea of hash-consing. I describe the concept of interning atoms and discuss the issues around interning ground structured terms, motivating why tabling Prolog systems may change the cost-benefit tradeoffs from those of traditional ...
arxiv  

Iron‐dependent lysosomal LDL oxidation induces the expression of scavenger receptor A in human THP‐1 monocytes

open access: yesFEBS Open Bio, EarlyView.
In human monocytic cells THP‐1, a limited uptake of native—not oxidized—LDL/VLDL induced expression of scavenger receptor A and cellular adhesion. Induction was inhibited by lysosomotropic (WR‐1065) and lipophilic (BHT) antioxidants and by siRNAs against ferritinophagy.
Martina Čierna   +4 more
wiley   +1 more source

Design, analysis, and testing of PP-IGBT-based submodule stack for the MMC VSC HVDC with 3000 A DC bus current

open access: yesThe Journal of Engineering, 2018
Voltage sourced converter (VSC) high-voltage direct current (HVDC) is moving to higher DC voltage and capacity, such as ±500 kV/3000 MW and ±800 kV/5000 MW for a single converter, which will bring tremendous challenges for converter submodule design ...
Huifeng Chen   +3 more
doaj   +1 more source

Internal and external duality in abstract polytopes [PDF]

open access: yesarXiv, 2016
We define an abstract regular polytope to be internally self-dual if its self-duality can be realized as one of its symmetries. This property has many interesting implications on the structure of the polytope, which we present here. Then, we construct many examples of internally self-dual polytopes. In particular, we show that there are internally self-
arxiv  

Internal split opfibrations and cofunctors [PDF]

open access: yesTheory and Applications of Categories, Vol. 35, 2020, No. 44, pp 1608-1633, 2020
Split opfibrations are functors equipped with a suitable choice of opcartesian lifts. The purpose of this paper is to characterise internal split opfibrations through separating the structure of a suitable choice of lifts from the property of these lifts being opcartesian.
arxiv  

Internal structure of a Maxwell-Gauss-Bonnet black hole

open access: yes, 2009
The influence of the Maxwell field on a static, asymptotically flat and spherically-symmetric Gauss-Bonnet black hole is considered. Numerical computations suggest that if the charge increases beyond a critical value, the inner determinant singularity is
Alexeyev, S., Barrau, A., Rannu, K. A.
core   +3 more sources

An approach for coherent periodogram averaging of tilt‐series data for improved contrast transfer function estimation

open access: yesFEBS Open Bio, EarlyView.
The contrast transfer function (CTF) is an imaging aberration that is a major resolution‐limiting factor in cryo‐electron microscopy (cryo‐EM). Precise CTF estimation is key to overcoming this limitation, but is particularly challenging in cryo‐electron tomography (cryo‐ET) data. Here, we present an approach for using geometric information to assist in
Sagar Khavnekar, William Wan
wiley   +1 more source

The role of circular RNAs in regulating cytokine signaling in cancer

open access: yesFEBS Open Bio, EarlyView.
Cytokines present in the tumor microenvironment fuel cancer development. Aberrant expression of circRNAs contributes to cancer progression. Cytokines are involved in regulating circRNA biogenesis. Furthermore, aberrantly expressed circRNAs regulate the expression of ligands, receptors, and downstream effectors involved in cytokine signaling to promote ...
Vandana Joshi   +4 more
wiley   +1 more source

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