Results 41 to 50 of about 6,769,174 (294)

Probing the surface charge of condensates using microelectrophoresis [PDF]

, 2023
Biomolecular condensates play an important role in cellular organization. Coacervates are commonly used as model systems that mimic the physiochemical properties of biomolecular condensates, and are simultaneously studied as protocell models. The surface
Evan, Spruijt, Brent, Visser, Merlijn, van Haren   +2 more
core   +1 more source

Study on surface charges accumulation characteristics of insulators for ±500 kV DC-GIL based on multi-physics coupling model [PDF]

AIP Advances
When a DC voltage is applied externally, a large amount of charge accumulates on the surface of the insulating components in the gas insulated metal-enclosed transmission line (GIL), significantly reducing the flashover voltage along the surface and ...
Bingwei Chen, Jianguo Chen, Kanghao Yan, Xiukun Li, Chen Ma   +4 more
doaj   +1 more source

Emerging experimental and computational methods for studying redox‐regulated structural transitions

FEBS Letters, EarlyView.
Redox reactions can reshape proteins and alter how they behave in cells, with important consequences for health and disease. This review explores emerging experimental and computational approaches for discovering these redox‐sensitive protein switches, revealing their structural effects, and predicting their behavior, opening new opportunities to ...
Tasneem Rass, Dana Reichmann, Gábor Erdős   +2 more
wiley   +1 more source

Impact of Pressure and Temperature on Charge Accumulation Characteristics of Insulators in Direct-Current Gas-Insulated Switchgear

Energies
Direct-current gas-insulated switchgear (DC GIS) is an important device for promoting the lightweight and compact design of offshore wind power platforms.
Lu Xu, Yixuan Li, Yan Zhu, Jianning Yin
doaj   +1 more source

Impact of gamma‐irradiation on space charge and charge trap characteristics of Al/epoxy nanocomposites

SPE Polymers, 2021
Epoxy nano Al composites were prepared using epoxyresin, hardener, and Al nanoparticles with required proportions and irradiated with gamma rays of required dosage.
Naresh Chillu, Ramanujam Sarathi, Rengaswamy Jayaganthan   +2 more
doaj   +1 more source

Structural and biochemical analysis of a B12 superbinder

FEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices, Jacob J. Whittaker, Dirk J. Slotboom, Albert Guskov   +3 more
wiley   +1 more source

Experimental studies on surface discharge dynamics and decay under different voltage waveforms and electrode shapes

, 2009
This paper studies the development and decay of surface discharge under various voltage waveforms and electrode shapes in air at atmospheric pressure.
Lewin, P.L., Tran, T.N., Swingler, S.G., Wilkinson, J.S., Coventry, P.F.   +4 more
core   +1 more source

Improved method in calculating the surface charge distribution of DC‐GIL insulators with 3D geometry models

IET Science, Measurement & Technology, 2022
Surface charge accumulation is an important issue when dealing with the insulation property of direct‐current gas‐insulated transmission lines with insulators.
Xiaolong Li, Guangkuo Zhang, Junran Jia, Chen Cao, Xin Lin   +4 more
doaj   +1 more source

Structures of mycobacterial 3‐methylcrotonyl‐CoA carboxylase reveal carrier‐domain translocation between catalytic sites

FEBS Letters, EarlyView.
Mycobacterial 3‐methylcrotonyl‐CoA carboxylase uses a mobile biotin‐carrying domain to shuttle a carboxyl group between two catalytic sites, enabling carboxylation of 3‐methylcrotonyl‐CoA during leucine breakdown. Cryo‐electron microscopy captures the carrier at both sites and reveals an inward loop movement that may prevent futile rebinding to the ...
Ajit Yadav, Bogdan I. Florea, Sebastian Geibel   +2 more
wiley   +1 more source

Thermal Aging-Induced Evolution of Surface Charge Dynamics in Al₂O₃-Doped Epoxy Resin Insulators for GIS/GIL

Energies
Thermal stress is an important factor affecting the long-term performance of solid insulation in GIS/GIL, and the physicochemical properties of insulating materials play a crucial role in governing surface charge dynamics.
Dongwei Sun, Nian Tang, Zehong Chen, Feng Wang, Kaibin Liang, Lipeng Zhong, Heng Yi, Zhi Li   +7 more
doaj   +1 more source