Results 71 to 80 of about 31,068 (231)

An Optimal Medium Access Control with Partial Observations for Sensor Networks

open access: yesEURASIP Journal on Wireless Communications and Networking, 2005
We consider medium access control (MAC) in multihop sensor networks, where only partial information about the shared medium is available to the transmitter. We model our setting as a queuing problem in which the service rate of a queue is a function of a
Cristescu Răzvan   +1 more
doaj   +2 more sources

An isoform of 14‐3‐3 protein regulates transbilayer lipid movement at the plasma membrane

open access: yesFEBS Letters, EarlyView.
Loss of 14‐3‐3ζ in CHO cells confers resistance to exogenous phosphatidylserine (PS) and impairs endocytosis‐independent inward flip‐flop of fluorescent PS at the plasma membrane. RNAi‐mediated knockdown reproduces this defect, while no additive effect is seen in ATP11C‐deficient cells.
Akiko Yamaji‐Hasegawa   +3 more
wiley   +1 more source

The ubiquitin ligase RNF115 is required for the clearance of damaged lysosomes

open access: yesFEBS Letters, EarlyView.
Upon lysosomal rupture, an E3 ubiquitin ligase RNF115 translocates from the cytosol to the damaged lysosomal membrane. Moreover, RNF115 depletion impairs the clearance of damaged lysosomes, identifying it as a key regulator of lysosomal quality control.
Sae Nakanaga   +3 more
wiley   +1 more source

Preamble time-division multiple access fixed slot assignment protocol for secure mobile ad hoc networks

open access: yesInternational Journal of Distributed Sensor Networks, 2020
Mobile ad hoc networks are the “spontaneous networks” which create a temporary network in any place and any time without using any extra fixed radio device of a full infrastructure network.
Khalid Hussain Mohammadani   +4 more
doaj   +1 more source

Epigenetic blind spots – the role of DNA methylation dynamics in stem cell‐based models of embryogenesis

open access: yesFEBS Letters, EarlyView.
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil   +4 more
wiley   +1 more source

Biophysical approaches for studying viral entry

open access: yesFEBS Letters, EarlyView.
Viruses infect all living organisms and have been responsible for major epidemics and pandemics. Their ongoing evolutionary battle with host defenses creates a constant need for improved tools to study viral behavior. Advancing methods to probe viral attachment, fusion, and genome release deepen our understanding of how infections begin and support the
Inbar Yosibash, Raya Sorkin
wiley   +1 more source

IEEE Access Special Section Editorial: Physical and Medium Access Control Layer Advances in 5G Wireless Networks

open access: yesIEEE Access, 2017
It is an exciting time in telecom research, as connectivity becomes the key ingredient of new vertical markets, such as automotive, smart city, smart grid, and healthcare.
M. Majid Butt   +5 more
doaj   +1 more source

Septin 9 PB domains coordinate centrosome positioning and microtubule acetylation to control epithelial polarity

open access: yesFEBS Letters, EarlyView.
Septin 9 polybasic domains couple phosphoinositide‐rich membrane binding to centrosome positioning, Golgi organization, and microtubule acetylation to control epithelial polarity. Their loss disrupts this axis, causing centrosome mispositioning, Golgi fragmentation, reduced microtubule acetylation, and polarity inversion via upregulation of the ...
Ting ting Cai   +4 more
wiley   +1 more source

Medium access control of multimedia CDMA systems with effective spectral bandwidth distribution

open access: yesTongxin xuebao, 2006
A medium access control(MAC) protocol with effective spectral bandwidth distribution was proposed for the CDMA network carrying multi-service traffics.Based on the “BER limited” characteristics of the CDMA system,the protocol maps the diverse BER ...
PAN Su1, FENG Guang-zeng1
doaj   +2 more sources

Variable rate power-controlled batch-based channel assignment for enhanced throughput in cognitive radio networks

open access: yesInternational Journal of Intelligent Networks
The number of users in wireless networks, such as mobile and Internet-of-Things networks, is witnessing a tremendous increase, turning the available frequency spectrum into a scarce resource that needs to be efficiently utilized.
Ahmed Musa   +4 more
doaj   +1 more source

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