Results 71 to 80 of about 1,301,037 (308)

Reaction diffusion processes on random and scale-free networks [PDF]

open access: yes, 2004
We study the discrete Gierer-Meinhardt model of reaction-diffusion on three different types of networks: regular, random and scale-free. The model dynamics lead to the formation of stationary Turing patterns in the steady state in certain parameter ...
De Wit A.   +4 more
core   +2 more sources

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Morphology control of clay-mineral particles as supports for metallocene catalysts in propylene polymerization [PDF]

open access: yesPolyolefins Journal, 2016
Spray dry granulation of clay minerals was studied to obtain clay mineral base support material for metallocene supported olefin polymerization catalysts.
Takao Tayano   +5 more
doaj   +1 more source

Stationary Multiple Spots for Reaction-Diffusion Systems [PDF]

open access: yes, 2007
In this paper, we review analytical methods for a rigorous study of the existence and stability of stationary, multiple spots for reaction-diffusion systems.
Wei, J, Winter, M
core   +3 more sources

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

open access: yesFEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho   +3 more
wiley   +1 more source

Comparıson Of The 2 Treatment Methods In Class Iı Dıvısıon 1 Malocclusıons

open access: yesTurkish Journal of Orthodontics, 1992
In this investigation 20 patients in the mixed dentition with class II division 1 malocclusions whose dental arches are properly designed were selected as the control group.
Sibel Bakır, Ayhan Enacar
doaj   +1 more source

Boolean versus continuous dynamics on simple two-gene modules

open access: yes, 2010
We investigate the dynamical behavior of simple modules composed of two genes with two or three regulating connections. Continuous dynamics for mRNA and protein concentrations is compared to a Boolean model for gene activity.
A. V. Hill   +6 more
core   +1 more source

Factors associated with intracerebral hemorrhage after thrombolytic therapy for ischemic stroke pooled analysis of placebo data from the Stroke-Acute Ischemic NXY Treatment (SAINT) I and SAINT II trials [PDF]

open access: yes, 2009
<p><b>Background and Purpose:</b> A number of factors have been associated with postthrombolysis intracerebral hemorrhage, but these have varied across studies.</p> <p><b>Methods:</b> We examined patients with
Cucchiara, B.   +8 more
core   +1 more source

Phosphatidylinositol 4‐kinase as a target of pathogens—friend or foe?

open access: yesFEBS 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

Optimization and Experimental Analysis of Electroless Nickel Plating on the Diamond Surface

open access: yesMicromachines
Coating diamond particle surfaces with a layer of high-temperature resistant nickel, which possesses weldability, effectively enhances the bonding strength between diamond particles and substrates in pre-grinding tools.
Qingming Fan   +7 more
doaj   +1 more source

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