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Engineered TiO 2 nanoparticles are also used in light-emitting diodes and solar cells. [6]: 82 In addition, the photocatalytic activity of TiO 2 can be used to decompose organic compounds in wastewater. [4] TiO 2 nanoparticle products are sometimes coated with silica or alumina, or doped with another metal for specific applications. [6]: 2 [10]
While advancement of research proves that targeting and distribution can be augmented by nanoparticles, the dangers of nanotoxicity become an important next step in further understanding of their medical uses. [25] The toxicity of nanoparticles varies, depending on size, shape, and material. These factors also affect the build-up and organ ...
A nanoparticle or ultrafine particle is a particle of matter 1 to 100 nanometres (nm) in diameter. [1] [2] The term is sometimes used for larger particles, up to 500 nm, or fibers and tubes that are less than 100 nm in only two directions. [2]: 394 At the lowest range, metal particles smaller than 1 nm are usually called atom clusters instead.
In the early 21st century, extensive research is occurring in the field of nanoparticle drug delivery systems to the brain. One of the common diseases being studied in neuroscience is Alzheimer's disease. Many studies have been done to show how nanoparticles can be used as a platform to deliver therapeutic drugs to these patients with the disease.
Nanoparticle drug delivery systems are engineered technologies that use nanoparticles for the targeted delivery and controlled release of therapeutic agents. The modern form of a drug delivery system should minimize side-effects and reduce both dosage and dosage frequency. Recently, nanoparticles have aroused attention due to their potential ...
Now, new research published in the journal Nature Medicine suggests that a special biomarker test could help detect signs of Alzheimer’s disease up to a decade before they begin to show up on ...
Research is being carried out on the application of nanotechnology to glass, another important material in construction. Titanium dioxide (TiO 2) nanoparticles are used to coat glazing since it has sterilizing and anti-fouling properties. The particles catalyze powerful reactions that break down organic pollutants, volatile organic compounds ...
As TiO 2 is proven to be more effective for blocking UVB and ZnO in the UVA range, the mix of these particles guarantees a broad-band UV shield. [3] To solve the cosmetic disadvantage of these opaque sunscreens, TiO 2 and ZnO nanoparticles have been used as a replacement for TiO 2 and ZnO microparticles.
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