Results 71 to 80 of about 18,735,403 (324)

Modeling Content and Membership Growth Dynamics of User-Generated Content Sharing Networks With Two Case Studies

open access: yesIEEE Access, 2018
User-generated content sharing networks (UGCSNets), in which members are content contributors as well as users, have had a significant impact on the sharing economy and on society via the sharing and reuse of contents.
Rong-Huei Chen, Shi-Chung Chang
doaj   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Growth of nanoparticles in dynamic plasma

open access: yesPhysical Review E, 2019
Coagulation growth kinetics of nanoparticles in plasma is affected by interparticle electrostatic forces due to the charging phenomenon. In stationary plasmas, unipolar charging of particles results in retardation of particle growth and may result in a limitation on particle size.
V, Vekselman, Y, Raitses, M N, Shneider
openaire   +3 more sources

Role of Streptomyces diastaticus and Salicylic Acid in Reducing Drought Stress in Cowpea (Vigna unguiculata L.) Plants

open access: yesApplied Microbiology
Drought significantly reduces global crop yields and agricultural productivity. This study aims to isolate drought-tolerant PGPR strains and evaluate their effects, both individually and in combination with salicylic acid (SA), on cowpea plants growth ...
Alaa El-Dein Omara   +3 more
doaj   +1 more source

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 Universal Dynamics of Tumor Growth [PDF]

open access: yesBiophysical Journal, 2003
Scaling techniques were used to analyze the fractal nature of colonies of 15 cell lines growing in vitro as well as of 16 types of tumor developing in vivo. All cell colonies were found to exhibit exactly the same growth dynamics-which correspond to the molecular beam epitaxy (MBE) universality class.
Brú, Antonio   +4 more
openaire   +2 more sources

Potassium Fertilization Alters the Morphogenetic, Structural, and Productive Characteristics of Panicum maximum Cultivars

open access: yesGrasses
The objective was to evaluate the effects of potassium fertilization on the morphogenetic, structural, and productive characteristics of Panicum maximum (cvs. Tanzania, Quênia, Mombaça, Zuri, Massai, and Tamani).
Emmanuel Lievio de Lima Véras   +9 more
doaj   +1 more source

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Evaluation of seed germination and growth activity of plants of Dianthus awaricus Khar. in the conditions of inner mountain Dagestan

open access: yesЮг России: экология, развитие, 2022
Aim. Study of the growth dynamics of Dianthus awaricus plants in field experimental conditions and of laboratory germination of seeds obtained in the introduction experiment.Material and Methods. Samples of D.
R. M. Osmanov   +2 more
doaj   +1 more source

Novel insight into the origin of the growth dynamics of sauropod dinosaurs

open access: yesPLoS ONE, 2017
Sauropod dinosaurs include the largest terrestrial animals and are considered to have uninterrupted rapid rates of growth, which differs from their more basal relatives, which have a slower cyclical growth.
I. Cerda   +6 more
semanticscholar   +1 more source

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