矽藻壳(英语:frustule)又称矽壳矽质壳,是矽藻坚硬且具孔洞的外壳(细胞壁),经生物矿化产生,其成分大多为,表面并覆有数种多糖[1](早期文献称其表面物质成分为果胶[2][3])。矽藻壳孔洞的大小与形状多样,大小介于250至600奈米之间[4][5][6]。有些的矽藻壳内表面有往内部空腔延伸的脊状结构,称为假隔膜(pseudoseptum)[7]沟链藻科矽藻的假隔膜又被称为ringleist[8]

扫描电子显微镜下数个矽藻壳的结构,其中图A、C与D的比例尺为10微米,图B的比例尺则为20微米
电子显微镜下的矽藻土

矽藻死后其有机组织渐被分解,壳则会沉入海底成为矽藻土,此材料有许多商业与学术用途[9]

参考文献

编辑
  1. ^ Progress in Phycological Research: v. 7 (1991) by F.E. Round (Volume editor), David J. Chapman (Volume editor)
  2. ^ Diatoms: More on Morphology. [2022-11-12]. (原始内容存档于2012-10-04). 
  3. ^ Parker, Andrew R.; Townley, Helen E. Biomimetics of photonic nanostructures. Nature Nanotechnology. 3 June 2007, 2 (6): 347–353. Bibcode:2007NatNa...2..347P. PMID 18654305. doi:10.1038/nnano.2007.152. 
  4. ^ Reka, Arianit; Anovski, Todor; Bogoevski, Slobodan; Pavlovski, Blagoj; Boškovski, Boško. Physical-chemical and mineralogical-petrographic examinations of diatomite from deposit near village of Rožden, Republic of Macedonia. Geologica Macedonica. 29 December 2014, 28 (2): 121–126 [2022-11-12]. (原始内容存档于2022-10-21) (英语). 
  5. ^ Reka, Arianit A.; Pavlovski, Blagoj; Makreski, Petre. New optimized method for low-temperature hydrothermal production of porous ceramics using diatomaceous earth. Ceramics International. October 2017, 43 (15): 12572–12578. doi:10.1016/j.ceramint.2017.06.132. 
  6. ^ Reka, Arianit A.; Pavlovski, Blagoj; Ademi, Egzon; Jashari, Ahmed; Boev, Blazo; Boev, Ivan; Makreski, Petre. Effect Of Thermal Treatment Of Trepel At Temperature Range 800-1200˚C. Open Chemistry. 31 December 2019, 17 (1): 1235–1243. doi:10.1515/chem-2019-0132 . 
  7. ^ Pseudoseptum. Diatoms.org. [2022-04-11]. (原始内容存档于2022-11-12). 
  8. ^ Ringleiste. Diatoms.org. [2022-04-11]. (原始内容存档于2022-11-12). 
  9. ^ Antonides, Lloyd E. Diatomite (PDF). USGS. 1997 [December 12, 2010]. (原始内容存档 (PDF)于2018-04-08).