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Sensors 2011, 11(12), 11664-11678; doi:10.3390/s111211664
Review

CdTe and CdSe Quantum Dots Cytotoxicity: A Comparative Study on Microorganisms

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Received: 27 October 2011; in revised form: 26 November 2011 / Accepted: 9 December 2011 / Published: 15 December 2011
(This article belongs to the Special Issue Sensing with Quantum Dots)
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Abstract: Quantum dots (QDs) are colloidal semiconductor nanocrystals of a few nanometers in diameter, being their size and shape controlled during the synthesis. They are synthesized from atoms of group II–VI or III–V of the periodic table, such as cadmium telluride (CdTe) or cadmium selenium (CdSe) forming nanoparticles with fluorescent characteristics superior to current fluorophores. The excellent optical characteristics of quantum dots make them applied widely in the field of life sciences. Cellular uptake of QDs, location and translocation as well as any biological consequence, such as cytotoxicity, stimulated a lot of scientific research in this area. Several studies pointed to the cytotoxic effect against micoorganisms. In this mini-review, we overviewed the synthesis and optical properties of QDs, and its advantages and bioapplications in the studies about microorganisms such as protozoa, bacteria, fungi and virus.
Keywords: quantum dots; citotoxicity; Trypanosoma cruzi; bacteria; microorganisms quantum dots; citotoxicity; Trypanosoma cruzi; bacteria; microorganisms
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Gomes, S.A.; Vieira, C.S.; Almeida, D.B.; Santos-Mallet, J.R.; Menna-Barreto, R.F.S.; Cesar, C.L.; Feder, D. CdTe and CdSe Quantum Dots Cytotoxicity: A Comparative Study on Microorganisms. Sensors 2011, 11, 11664-11678.

AMA Style

Gomes SA, Vieira CS, Almeida DB, Santos-Mallet JR, Menna-Barreto RFS, Cesar CL, Feder D. CdTe and CdSe Quantum Dots Cytotoxicity: A Comparative Study on Microorganisms. Sensors. 2011; 11(12):11664-11678.

Chicago/Turabian Style

Gomes, Suzete A.O.; Vieira, Cecilia Stahl; Almeida, Diogo B.; Santos-Mallet, Jacenir R.; Menna-Barreto, Rubem F. S.; Cesar, Carlos L.; Feder, Denise. 2011. "CdTe and CdSe Quantum Dots Cytotoxicity: A Comparative Study on Microorganisms." Sensors 11, no. 12: 11664-11678.



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