نتایج جستجو برای: gnp
تعداد نتایج: 1206 فیلتر نتایج به سال:
The graphite nanoplatelets (GNP) were treated by vapor-phase bromination. The increase in weight and atomic concentration of Br indicated the bromine uptake. The intercalation of Br between graphene layers of GNP was confirmed by the X-ray diffraction result, showing an increase in the interlayer spacing from 3.342 Å to 3.361 Å. Two types of bonds between C and Br were introduced simultaneously...
Spatiotemporal control of protein structure and activity in biological systems has important and broad implications in biomedical sciences as evidenced by recent advances in optogenetic approaches. Here, this study demonstrates that nanosecond pulsed laser heating of gold nanoparticles (GNP) leads to an ultrahigh and ultrashort temperature increase, coined as "molecular hyperthermia", which cau...
Solar-thermal technology based on phase change materials (PCMs) has received a lot of attention as cost-effective and practical way to overcome solar energy intermittency. However, weak photothermal conversion ability complex preparation processes have hindered the application PCMs. In this work, new approach for facile, uniform, firm assembly graphene nanoplatelet (GNP) through reaction oxide ...
Gadolinium (Gd) is a unique and powerful element in chemistry and biomedicine which can be applied simultaneously to magnetic resonance imaging (MRI), X-ray computed tomography (CT), and neutron capture therapy for cancers. This multifunctionality can be maximized using gadolinium oxide (Gd2O3) nanoparticles (GNPs) because of the large amount of Gd per GNP, making both diagnosis and therapy (i....
Hybrid materials combining gold nanoparticles (GNP) of variable diameter and an organic thin layer of photochromic diarylethenes were achieved. Solid-state photoswitching based on ring-closure/ring-opening reaction was carried out under alternate UV and visible irradiations. In addition to the spectral changes due to the photochromism itself, the surface plasmon resonance related to the GNP is ...
Using a gravity model, we estimate the magnitude of potential trade flows between Ireland and the five CEEC countries which are currently negotiating accession to the EU. We find that Irish exports were already close to their “normal” level in 1994, but that imports from the CEECs were still less than half of their potential size. The value of estimated potential trade corresponds to 0.8 per ce...
Two β-lactoglobulin (BLG) isoforms, BLGA and BLGB, were used a test bed for the differentiation of proteins using electrostatics. In these studies, the BLGA and BLGB binding to a highly charged, cationic gold nanoparticle (GNP) modified surface was investigated by atomic force microscopy (AFM) and surface plasmon resonance (SPR) spectroscopy The binding affinity, and more importantly, the selec...
عوامل تولید نیروی کار، سرمایه و انرژی همگام با در نظر گرفتن کیفیت محیط زیست در تولید به کار گرفته می شوند. در فرایند تولید و رشد اقتصادی استفاده هرچه بیشتر از این عوامل تولید، موجب افزایش تولید و افزایش رشد اقتصادی می شود. اما با ارزشگذاری آلودگی هایی که در فرایند تولید به وجود می آید و در نظر گرفتن آن ها در حساب های ملی، نرخ رشد اقتصادی تغییر می یابد و استفاده از عوامل تولید نیاز به برنامه ریز...
Dielectric properties of composites near percolation threshold (fc) are often sensitive to thermal treatments, and the annealing temperature is usually associated with a polymer's rheological properties. In this study, the influences of the thermal treatment on dielectric properties are investigated for the polystyrene (PS) matrix composite reinforced by graphene nanoplatelets (GNP) fillers nea...
A novel framework to fabricate moth-like nanopillar arrays was proposed. In this scheme, nanowires were first cross-linked with anti-gold nanoparticle (GNP) antibodies and mixed with the nanopore array pre-deposited by GNP, which was then followed by centrifugation. An optimal success rate of 95% was finally obtained by choosing nanorods with an aspect ratio of 5:1 by modifying with 10 ng mL⁻¹ ...
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