نتایج جستجو برای: surface reactivity
تعداد نتایج: 685282 فیلتر نتایج به سال:
A hot water extract of Sasa veitchii is a health-promoting food in general use. To analyze the structure and function of the polysaccharide fraction of the extract, a macromolecular fraction was obtained by dialysis (HMF) and two polysaccharide fractions (NPS and APS) were separated by DEAE-Sephadex chromatography. HMF strongly reacted with human sera and immunoglobulin preparations. All of the...
Because complex real-world domains defy perfect formalization, real-world planners must be able to cope with incorrect domain knowledge. This paper offers a theoretical fhmework fmpemissiveplanning, a machine leamingmethodforimprovingthereal-world behaviorofplanners. Permissive planning aims to acquire techniques that tolerate the inevitable mismatch between the planner’s internal beliefs and t...
In this article, we focused on the comprehension of surface reactivity layered β(III)-cobalt oxyhydroxide, β(III)-CoOOH, by implementing a multiscale study associating both experimental, characterization X-ray photoemission spectroscopy (XPS) and scanning electron microscopy first-principles calculations. The chemical properties are key factors in charge-storage mechanism, β(III)-CoOOH presents...
This review examines the developments in optical biosensor technology, which uses the phenomenon of surface plasmon resonance, for the detection of paralytic shellfish poisoning (PSP) toxins. Optical biosensor technology measures the competitive biomolecular interaction of a specific biological recognition element or binder with a target toxin immobilised onto a sensor chip surface against toxi...
The room temperature kinetics of gas-phase ozone loss via heterogeneous interactions with thin alumina films has been studied in real-time using 254 nm absorption spectroscopy to monitor ozone concentrations. The films were prepared from dispersions of fine alumina powder in methanol and their surface areas were determined by an in situ procedure using adsorption of krypton at 77 K. The alumina...
OBJECTIVE Protease-activated receptor 4 (PAR4) is a key regulator of platelet reactivity and is encoded by F2RL3, which has abundant rare missense variants. We aimed to provide proof of principle that rare F2LR3 variants potentially affect platelet reactivity and responsiveness to PAR1 antagonist drugs and to explore underlying molecular mechanisms. APPROACH AND RESULTS We identified 6 rare F...
This experiment was set up to test the hypothesis that confrontation with feared movements would lead to symptom-speci®c muscular reactivity in chronic low back pain patients who report high fear of movement/(re)injury. Thirty-one chronic low back pain patients were asked to watch a neutral nature documentary, followed by a fear-eliciting video-presentation, while surface electromyography (EMG)...
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