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Morphology of Gold Nanoparticles Synthesized by Filamentous Cyanobacteria from Gold(I)−Thiosulfate and Gold(III)−Chloride Complexes
Abstract
Plectonema boryanum UTEX 485, a filamentous cyanobacterium, has been reacted with aqueous Au(S(2)O(3))(2)(3)(-) and AuCl(4)(-) solutions ( approximately 400-550 mg/L Au) at 25-100 degrees C for up to 1 month and at 200 degrees C for 1 day. The interaction of cyanobacteria with aqueous Au(S(2)O(3))(2)(3)(-) promoted the precipitation of cubic (100) gold nanoparticles (<10-25 nm) at membrane vesicles and admixed with gold sulfide within cells and encrusted on the cyanobacteria, whereas reaction with AuCl(4)(-) resulted in the precipitation of octahedral (111) gold platelets ( approximately 1-10 microm) in solutions and nanoparticles of gold (<10 nm) within bacterial cells. Functional groups imaged by negative ion TOF-SIMS on (111) faces of the octahedral platelets were predominantly Cl and CN, with smaller amounts of C(2)H and CNO.
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Cited by
Biological synthesis of metal nanoparticles by microbes
Narayanan, K. B., & Sakthivel, N. (2010) · Advances in Colloid and Interface Science · doi:10.1016/j.cis.2010.02.001 · Cited by 1,918
Biosynthesis of Nanoparticles by Microorganisms and Their Applications
Li, X., Xu, H., Chen, Z.-S., & Chen, G. (2011) · Journal of Nanomaterials · doi:10.1155/2011/270974 · Cited by 1,133
State of the art in gold nanoparticle synthesis
Zhao, P., Li, N., & Astruc, D. (2013) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2012.09.002 · Cited by 964
Bacteria in Nanoparticle Synthesis: Current Status and Future Prospects
Iravani, S. (2014) · International Scholarly Research Notices · doi:10.1155/2014/359316 · Cited by 494
Microbial synthesis of gold nanoparticles: Current status and future prospects
Shedbalkar, U., Singh, R., Wadhwani, S., Gaidhani, S., & Chopade, B. A. (2014) · Advances in Colloid and Interface Science · doi:10.1016/j.cis.2013.12.011 · Cited by 330
Metadata
- Authors
- Lengke, M. F., Fleet, M. E., & Southam, G.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-02-10
- Volume
- 22
- Issue
- 6
- Pages
- 2780-2787
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2018887113
- Cited by
- 359
- References
- 0
- FWCI
- 6.73
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lengke, M. F., Fleet, M. E., & Southam, G. (2006). Morphology of Gold Nanoparticles Synthesized by Filamentous Cyanobacteria from Gold(I)−Thiosulfate and Gold(III)−Chloride Complexes. Langmuir. https://doi.org/10.1021/la052652c
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