microcapsule

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microcapsule

[′mī·krō‚kap·səl]
(chemical engineering)
A capsule with a plastic or waxlike coating having a diameter anywhere from well below 1 micrometer to over 2000 micrometers.
References in periodicals archive ?
Microcapsules containing BMP-2 and VEGF were prepared using the improved double emulsion/solvent evaporation technique as previously described (17).
The microcapsules have the multilayer structure comprising the core; the protein; the polysaccharide and the plant-derived glycoprotein, when viewed from the core, according to the patent.
This study aimed to optimize the microencapsulation of probiotic Lactobacillus acidophilus La-5 by atomization technique, investigating the use of milk protein and maltodextrin as encapsulating agents, as well as evaluate the morphology, diameter and the thermal behavior of the microcapsules.
This was achieved by impregnation of the textile plies by MMT-loaded PA6 microcapsules and subsequent compression molding.
The microcapsules are designed to rupture when they encounter defects in the membrane and then release the pre-filled Nafion solution to heal the defects in place," says U-D Engineer Liang Wang.
Brucella species not previously thought to exist in the capsule, but recent studies have shown that the production of microcapsules has been observed in some species of Brucella (10,11).
Our research on smart coatings for corrosion management applications has evolved from the earlier efforts to develop pH-sensitive microcapsules (20-23) to incorporate the functions of indication, inhibition, and self-healing into a smart coating, to more recent efforts to tailor and fine-tune the microencapsulation system for each function.
The present work considers the addition of oil-filled microcapsules to the current polymeric coating product applied to bronze substrates for applications in HSD engines.
Chemical engineers from Europe and the US discuss different materials and strategies for photo-triggered microcapsules preparation and applications, including photosensitive microcapsules and smart microcapsules based on photo-isomerizable moieties; the growth and applications of microencapsulation in the textile and food industries, such as vanillin microcapsules and polyphenols encapsulation for natural products; uses in functional coatings; micro and nanocapsules as supports for surface enhanced Raman spectroscopy; and silica-based inorganic microcapsules and their application in industry.
For this kind of system, during the microcrack propagation, the intercepted microcapsules are damaged with subsequent leakage of the repairing agent [2-9].
Although most research surrounds systems that rely upon recharge, modern microcapsules have been designed that can be used to incorporate the agent into the restoration.