نتایج جستجو برای: nano microfibers
تعداد نتایج: 51207 فیلتر نتایج به سال:
Microfibers are the most prevalent microplastics in terrestrial, freshwater, and marine biota as well human tissues have been collected from environmental compartments across ecosystems species sampled worldwide. These materials, made of diverse compound types, range semi-synthetic treated natural fibers to synthetic microfibers. expose organisms taxa an array chemicals, both manufacturing proc...
We found that cyclodextrins (CDs) have a high solubility in 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP). Evaporating HFIP from CD solutions on a glass plate gave crystalline solids composed of channel-type CD assemblies, and electrospinning with an HFIP solution of CDs fabricated CD microfibers.
Introduction: Based on microfibers with sol–gel film, this study focuses developing an organic contaminant sensing device to monitor airborne contamination in high-power laser facilities. Methods: The heightened the sensitivity external environment nano-structure of microfiber surface. relationship between additional transmission power loss caused by contaminants and filling rate porosity film ...
Theoretical analysis and Computer simulations have proven to be cost-effective and powerful tools in scientific studies of materials, particularly at nano-scale where synthesis of nano-structures, interpretation of their observed character and exploration of new structures are not always straight forward. We present here fundamental principles of techniques used today for computational simulati...
Several studies have already demonstrated that electrospinning is an excellent tool for forming nano/microfibers. However, the number of parameters affecting formation structures has become a great challenge, including polymeric solutions’ rheological properties, directly morphology fibers formed. The present work aimed to produce composites and determine their comparing them formed by electros...
Regenerative hydrogen/vanadium flow cells (RHVFCs) require electrode architectures combining electrochemical, catalytic, and mechanical properties across nano-, micro-, milliscales. The use of current carbon-based electrodes can lead to poor electrolyte utilization, slow kinetics, rapid deterioration, resulting in suboptimal electrochemical performance hindering RHVFC’s commercial viability. To...
SUMMARY We report a case of a thermal burn that occurred during MR imaging likely caused by invisible silver-embedded microfibers in the fabric of an undershirt. As the prevalence of fabric containing nondetectable metallic microfiber increases in athletic and "tech" clothing, the importance of having patients change into safe facility-provided garments before MR imaging is emphasized.
Microfibers are key components in construction of fiber-based materials, biomimetic microsensors, and other microstructures. Due to the scaling law, adhesion forces such as van der Waals force or electrostatic micro world play a more dominant role than gravity, causing difficulties precise pick-and-place objects. In this paper, we propose capillary force-based method for handling microfibers. T...
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