Results 31 to 40 of about 906,253 (320)
Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM
FEBS Letters, EarlyView.Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley +1 more source
Towards Collaborative and Dynamic Spectrum Sharing via Interpretation of Spectrum Access Policies
Applied Sciences, 2021 This paper describes some of the challenges that need to be addressed in order to develop collaborative spectrum-sharing systems. The importance of these challenges stems from the assumption that rules for spectrum sharing can change after the deployment
Jakub Moskal +4 more
doaj +1 more source
Spectrum Sharing in mmWave Cellular Networks via Cell Association, Coordination, and Beamforming
, 2016 This paper investigates the extent to which spectrum sharing in mmWave networks with multiple cellular operators is a viable alternative to traditional dedicated spectrum allocation.
Boccardi, Federico +4 more
core +1 more source
Organoids in pediatric cancer research
FEBS Letters, EarlyView.Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley +1 more source
Robust spectrum sensing under noise uncertainty for spectrum sharing
ETRI Journal, 2019 Spectrum sensing plays an important role in spectrum sharing. Energy detection is generally used because it does not require a priori knowledge of primary user, (PU) signals; however, it is sensitive to noise uncertainty.
Chang‐Joo Kim +3 more
doaj +1 more source
Fundamental Limits of Spectrum Sharing Full-Duplex Multicell Networks
, 2016 This paper studies the degrees of freedom of full-duplex multicell networks that share the spectrum among multiple cells in a non-orthogonal setting. In the considered network, we assume that {\em full-duplex} base stations with multiple transmit and ...
Chae, Sung Ho +2 more
core +1 more source
Phosphatidylinositol 4‐kinase as a target of pathogens—friend or foe?
FEBS Letters, EarlyView.This graphical summary illustrates the roles of phosphatidylinositol 4‐kinases (PI4Ks). PI4Ks regulate key cellular processes and can be hijacked by pathogens, such as viruses, bacteria and parasites, to support their intracellular replication. Their dual role as essential host enzymes and pathogen cofactors makes them promising drug targets.
Ana C. Mendes +3 more
wiley +1 more source
Spectrum and Infrastructure Sharing in Wireless Mobile Networks: Advantages and Risks
Promet (Zagreb), 2008 In recent time the spectrum and infrastructure sharing hasbeen gaining more and more on importance due to high spectrumlicense costs and expensive infrastructure needed formodem high-bandwidth wireless communications.
Mugdim Bublin, Samir Čaušević
doaj +1 more source
Scheduling Heterogeneous Wireless Systems for Efficient Spectrum Access
EURASIP Journal on Wireless Communications and Networking, 2010 The spectrum scarcity problem emerged in recent years, due to unbalanced utilization of RF (radio frequency) bands in the current state of wireless spectrum allocations.
Liao Shenghui, Bao Lichun
doaj +2 more sources
Optimal Real-time Spectrum Sharing between Cooperative Relay and Ad-hoc Networks
, 2013 Optimization based spectrum sharing strategies have been widely studied. However, these strategies usually require a great amount of real-time computation and significant signaling delay, and thus are hard to be fulfilled in practical scenarios.
Chang, Tsung-Hui +5 more
core +1 more source