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Biomineralization of iron phosphate nanoparticles in yeast cells

✍ Scribed by Wen He; Weijia Zhou; Yingjun Wang; Xudong Zhang; Hongshi Zhao; Zhengmao Li; Shunpu Yan

Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
580 KB
Volume
29
Category
Article
ISSN
0928-4931

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✦ Synopsis

Amorphous iron phosphate nanoparticles mineralized in yeast cells are studied by transmission electron microscopy, Fourier transform infrared spectrograph and micro electrophoresis. Iron phosphate nanoparticles in yeast cells show uniform morphology with extensive surface roughness and disperse well. The size distribution of iron phosphate is about 50-200 nm. Fourier transform infrared spectroscopy (FT-IR) is used to analyze the chemical bond linkages between iron phosphate nanoparticles with protein macromolecules in yeast cells. The mechanism of biomineralization was simply discussed by chemical bonds and surface charges.

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