ケイ酸
(オルトケイ酸 から転送)
出典: フリー百科事典『ウィキペディア(Wikipedia)』 (2021/07/04 22:34 UTC 版)
ケイ酸(ケイさん、珪酸、silicic acid)とは、化学式 [SiOx(OH)4−2x]n (例:ケイ酸ナトリウムはNa2SiO3)で表されるケイ素、酸素、水素の化合物の総称である。確認されているものとしては、オルトケイ酸 (H4SiO4)、メタケイ酸 (H2SiO3)、メタ二ケイ酸 (H2Si2O5) などがある。単にケイ酸と呼ぶ場合、メタケイ酸のことを示すことが多い。
- ^ “2.6 Oxygen Acids of Silicon. Silicates and Silicones”. Inorganic Chemistry. Academic Press. (2001/1995). p. 261-263. ISBN 3-11-012641-9
- ^ Igarashi, M., Matsumoto, T., Yagihashi, F., Yamashita, H., Ohhara, T., Hanashima, T., Nakao, A., Moyoshi, T., Sato K., Shimada, S., Non-aqueous selective synthesis of orthosilicic acid and its oligomers. Nat. Commun. 8, 140, 1-8
- ^ 200年にわたる謎に終止符、ガラスの基本単位の構造を決定-オルトケイ酸を用いた高機能・高性能ケイ素材料の創出に期待-、日本原子力研究開発機構、2017年7月27日、2019年3月21日閲覧
- ^ FA コットン, G. ウィルキンソン著, 中原 勝儼訳 『コットン・ウィルキンソン無機化学』 培風館、1987年,原書:F. ALBERT COTTON and GEOFFREY WILKINSON, Cotton and Wilkinson ADVANCED INORGANIC CHEMISTRY A COMPREHENSIVE TEXT Fourth Edition, INTERSCIENCE, 1980.
- ^ http://www.nodc.noaa.gov/OC5/WOA09/pr_woa09.html
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- ^ Reffitt DM, Ogston N, Jugdaohsingh R et al. (2003). “Orthosilicic acid stimulates collagen type 1 synthesis and osteoblastic differentiation in human osteoblast-like cells in vitro”. Bone 32 (2): 127-35. doi:10.1016/S8756-3282(02)00950-X. PMID 12633784.
- ^ Wickett RR, Kossmann E, Barel A et al. (2007). “Effect of oral intake of choline-stabilized orthosilicic acid on hair tensile strength and morphology in women with fine hair”. Arch. Dermatol. Res. 299 (10): 499-505. doi:10.1007/s00403-007-0796-z. PMID 17960402.
- ^ Barel A, Calomme M, Timchenko A et al. (2005). “Effect of oral intake of choline-stabilized orthosilicic acid on skin, nails and hair in women with photodamaged skin”. Arch. Dermatol. Res. 297 (4): 147-53. doi:10.1007/s00403-005-0584-6. PMID 16205932.
- ^ Scheinfeld N, Dahdah MJ, Scher R (2007). “Vitamins and minerals: their role in nail health and disease”. J Drugs Dermatol 6 (8): 782-7. PMID 17763607.
- ^ Calomme M, Geusens P, Demeester N et al. (2006). “Partial prevention of long-term femoral bone loss in aged ovariectomized rats supplemented with choline-stabilized orthosilicic acid”. Calcif. Tissue Int. 78 (4): 227-32. doi:10.1007/s00223-005-0288-0. PMID 16604283.
- ^ Calomme MR, Vanden Berghe DA (1997). “Supplementation of calves with stabilized orthosilicic acid. Effect on the Si, Ca, Mg, and P concentrations in serum and the collagen concentration in skin and cartilage”. Biol Trace Elem Res 56 (2): 153-65. doi:10.1007/BF02785389. PMID 9164661.
- ^ Spector TD, Calomme MR, Anderson SH et al. (2008). “Choline-stabilized orthosilicic acid supplementation as an adjunct to Calcium/Vitamin D3 stimulates markers of bone formation in osteopenic females: a randomized, placebo-controlled trial”. BMC Musculoskelet Disord 9: 85. doi:10.1186/1471-2474-9-85. PMC: 2442067. PMID 18547426 .
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