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 | "Alumina studies" by Ark90 (12417 pt) | 2019-Jun-16 12:45 |
| Evaluation | N. Experts | Evaluation | N. Experts |
|---|---|---|---|
| 1 | 6 | ||
| 2 | 7 | ||
| 3 | 8 | ||
| 4 | 9 | ||
| 5 | 10 |
Alumina, or Allumina, or "aluminum oxide" used in cosmetics is essentially the same as that used in medical devices.
The Food and Drug Administration (FDA) evaluated the safe use of alumina in various medical devices and aluminum hydroxide in over-the-counter drugs, which included a review of data on human and animal safety. The Cosmetic Ingredient Review (CIR) expert group has reviewed FDA assessments as part of the basis for determining the safety of these ingredients as used in cosmetics. The Panel concluded that alumina and aluminum hydroxide are safe in current usage practices with the concentration described in this safety assessment (1).
Alumina is used for the removal of chromium from tannery wastewater (2) and as an absorbent of methylene blue from water (3).
In hip disease THA may be a reliable treatment option in Legg-Calve-Perthes disease (4).
Most enzymes are extremely sensitive to UV light in all its ranges and their activity can irreversibly decay even after a short exposure time. After trapping within the sol-gel of matrices treated with alumina, all the enzymes examined have shown a better UV stabilization (5).
Other studies
Synthesis and characterization high purity alumina nanorods by a novel and simple method using nanocellulose aerogel template.
Kenawy SH, Hassan ML.
Heliyon. 2019 Jun 1;5(6):e01816. doi: 10.1016/j.heliyon.2019.e01816
Selenium Removal by Activated Alumina in Batch and Continuous-Flow Reactors.
Ji Y, Li L, Wang YT.
Water Environ Res. 2019 Jun 12. doi: 10.1002/wer.1159
Air-abrasion using new silica-alumina powders containing different silica concentrations: Effect on the microstructural characteristics and fatigue behavior of a Y-TZP ceramic.
Cadore-Rodrigues AC, Prochnow C, Rippe MP, Oliveira JS, Jahn SL, Foletto EL, Pereira GKR, Valandro LF.
J Mech Behav Biomed Mater. 2019 May 22;98:11-19. doi: 10.1016/j.jmbbm.2019.05.032.
Effects of aluminum oxide nanoparticles on the performance, extracellular polymeric substances, microbial community and enzymatic activity of sequencing batch reactor.
Li S, Zhao C, Ma B, Wang J, She Z, Guo L, Zhao Y, Jin C, Dong J, Gao M.
Environ Technol. 2019 Jun 14:1-11. doi: 10.1080/09593330.2019.1629182.
References__________________________
(1) Safety Assessment of Alumina and Aluminum Hydroxide as Used in Cosmetics.
Becker LC, Boyer I, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD, Liebler DC, Marks JG Jr, Shank RC, Slaga TJ, Snyder PW, Andersen FA.
Int J Toxicol. 2016 Nov;35(3 suppl):16S-33S.
(2) Removal of trivalent chromium from aqueous solution using aluminum oxide hydroxide.
Bedemo A, Chandravanshi BS, Zewge F.
Springerplus. 2016 Aug 8;5(1):1288. doi: 10.1186/s40064-016-2983-x.
(3) Mixed titanium, silicon, and aluminum oxide nanostructures as novel adsorbent for removal of rhodamine 6G and methylene blue as cationic dyes from aqueous solution.
Pal U, Sandoval A, Madrid SI, Corro G, Sharma V, Mohanty P.
Chemosphere. 2016 Nov;163:142-152. doi: 10.1016/j.chemosphere.2016.08.020.
(4) Alumina-alumina total hip arthroplasty for the sequelae of Legg-Calve-Perthes disease: A comparative study with adult-onset osteonecrosis.
Lee SJ, Yoo JJ, Kim HJ.
J Orthop Sci. 2016 Nov;21(6):836-840. doi: 10.1016/j.jos.2016.07.010.
(5) Protection of enzymes from photodegradation by entrapment within alumina.
Shapovalova OE, Levy D, Avnir D, Vinogradov VV.
Colloids Surf B Biointerfaces. 2016 Oct 1;146:731-6. doi: 10.1016/j.colsurfb.2016.07.020.
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