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Microencapsulation is a process in which tiny particles or droplets are surrounded by a coating to give small capsules, with useful properties. [ 1 ] [ 2 ] In general, it is used to incorporate food ingredients , [ 3 ] enzymes , cells or other materials on a micro metric scale.
Cell microencapsulation technology involves immobilization of cells within a polymeric semi-permeable membrane. It permits the bidirectional diffusion of molecules such as the influx of oxygen, nutrients, growth factors etc. essential for cell metabolism and the outward diffusion of waste products and therapeutic proteins.
Sunscreen, also known as sunblock, [a] sun lotion or sun cream, is a photoprotective topical product for the skin that helps protect against sunburn and prevent skin cancer. Sunscreens come as lotions, sprays, gels, foams (such as an expanded foam lotion or whipped lotion [4]), sticks, powders and other topical
The Journal of Microencapsulation is a peer-reviewed scientific journal that covers research on the preparation, properties, and uses of individually encapsulated novel small particles, as well as improvements to techniques using micro and nano particles in industrial, engineering, pharmaceutical, biotechnology, and research applications.
Microencapsulation is the most common method to develop self-healing coatings. The capsule approach originally described by White et al., using microencapsulated dicyclopentadiene (DCPD) monomer and Grubbs' catalyst to self-heal epoxy polymer [ 59 ] was later adapted to epoxy adhesive films that are commonly used in the aerospace and automotive ...
Ecamsule (USAN, trade name Mexoryl SX, INCI terephthalylidene dicamphor sulfonic acid) is an organic compound which is added to many sunscreens to filter out UVA rays. It is a benzylidene camphor derivative, many of which are known for their excellent photostability.
Gale W. Matson accidentally invented the technology while working for 3M in the 1960s. He was attempting to create a new method for making carbonless copy paper using microencapsulation. [1] The technology to infuse microcapsules and paper was submitted to the US patent office on November 18, 1969, and the patent was granted on June 23, 1970. [2]
Helioplex is a formulation of broad-spectrum ultraviolet (UVA and UVB) skin protection containing avobenzone and oxybenzone made by Neutrogena.. Avobenzone-containing products have decreasing efficiency after a few hours of sun exposure, but the manufacturer claims that the addition of oxybenzone reduces the amount of degradation that occurs.
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