One-pot synthesis of highly luminescent CdTe quantum dots by microwave irradiation reduction and their Hg2+-sensitive properties

Duan, Junling; Song, Lianxiang; Zhan, Jinhua

doi:10.1007/s12274-009-9004-0

Cited by 160 publications

(74 citation statements)

References 34 publications

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“…These nanostructures are now used in Magnetic Resonance Imaging (MRI), magnetic transfection, hyperthermia, DNA and cell labelling, tissue engineering, and targeted drug delivery [24][25][26][27][28][29][30][31][32][33][34]. Biosynthesized nanostructures are more interesting for these biomedical applications due to high biocompatibility and high physicochemical stability [35][36][37][38][39][40][41][42].…”

Section: Iron Reducing Bacteria and Iron Nanoparticlesmentioning

confidence: 99%

Iron-Reducing Bacteria and Iron Nanostructures

Ebrahiminezhad¹,

Manafi²,

Berenjian³

et al. 2017

Journal of Advanced Medical Sciences and Applied Technologies

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Iron Reducing Bacteria (IRB) are one of the most applicable microorganisms in various industrial and environmental activities. These bacteria play a main role in the natural iron transformation. They act in a reverse metabolic pathway in contrast to iron oxidizing bacteria. In the anaerobic conditions IRB are capable to use ferric ion as the final electron acceptor and reduce Fe 3+ to Fe 2+. What makes these bacteria interesting in bionanotechnology is that IRB are able to synthesize iron nanostructures. In this mini review we have a quick look on the diversity, metabolism, and cultivation of IRB. Finally, we discuss iron nano structures which biosynthesized by IRB.

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Section: Iron Reducing Bacteria and Iron Nanoparticlesmentioning

confidence: 99%

Iron-Reducing Bacteria and Iron Nanostructures

Ebrahiminezhad¹,

Manafi²,

Berenjian³

et al. 2017

Journal of Advanced Medical Sciences and Applied Technologies

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“…The microwave based synthesis procedure was similar to Duan et al [56] with modifications made to the microwaving procedure. The procedure yielded QDs in the 2-6 nm size range.…”

Section: Synthesis Of Cdte Quantum Dotsmentioning

confidence: 99%

Quantum Dot Conjugated Magnetic Nanoparticles for Targeted Drug Delivery and Imaging

Venugopal¹,

Pernal²,

Fusinatto³

et al. 2016

Nano BioMed ENG

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Nanotechnology is being increasingly applied for developing drug delivery options for specific treatments. Magnetic nanoparticles have drawn attention as drug delivery vehicles due to their stability, biocompatibility and ability to be non-invasively guided to desired target areas using magnetic fields. In this paper, we describe a new delivery vehicle for magnetic drug targeting. In magnetic drug targeting, drug functionalized magnetic nanoparticles are guided and localized at specific sites using external magnetic fields. Magnetic nanoparticles act as contrast agents for magnetic resonance imaging. However, it cannot be visualized via this technique during drug delivery. This is between magnetic fields used for imaging and delivery can interference with each other. Our laboratory has synthesized a magnetic drug targeting vehicle conjugated with quantum dots that can be imaged during the drug delivery process with in vivo imaging techniques such as fluorescence molecular tomography. These nanocomposites can be used as drug delivery vehicles for the central nervous system, where drug targeting is especially difficult and minimizing side effects is critical.

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“…Nowadays, different Cd-chalcogenide QDs (CdS, CdSe, CdTe) coated with thiol-containing organic molecules such as L-cysteine (L-Cys), mercaptoacetic acid (MAA), mercaptopronionic acid (MPA), denatured bovine serum albumin (dBSA), cysteamine (CA) and thioglycolic acid (TGA) were synthesized and used as fluorescent probes to detect Hg 2+ [67][68][69][70][71][72]. Besides the commonly used Cd-chalcogenide QDs, their derivatives such as MAA-capped CdS/ ZnS core-shell QDs and QDs doped with rare earth ions (CdS:Eu QDs and CdS:Tb QDs capped with glutathione (GSH)) were also utilized for Hg 2+ analysis [73][74][75].…”

Section: Reviewsmentioning

confidence: 99%

Recent developments on nanomaterials-based optical sensors for Hg2+ detection

Duan

Zhan

2015

Sci. China Mater.

Self Cite

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Mercuric ion (Hg 2+ ), released from both natural and industrial sources, has severe adverse effects on human health and the environment even at very low concentrations. It is very important to develop a rapid and economical method for the detection of Hg 2+ with high sensitivity and selectivity. Nanomaterials with unique size and shape-dependent optical properties are attractive sensing materials. The application of nanomaterials to design optical sensors for Hg 2+ provides a powerful method for the trace detection of Hg 2+ in the environment, because these optical sensors are simple, rapidly responsive, cost-effective and highly sensitive. This review summarizes the recent advances on the development of optical assays for Hg 2+ in aqueous solution by using functionalized nanomaterials (including noble metal nanoparticles, fluorescent metal nanoclusters, semiconductor quantum dots and carbon nanodots). Detection strategies based on the Hg 2+ -induced changes in spectral absorbance, fluorescence intensity and surface-enhanced Raman scattering signals were described. And the design principles for each optical assay were presented. In addition, the future challenge and the prospect of the development of nanomaterial optical sensors for Hg 2+ detection were also discussed.

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One-pot synthesis of highly luminescent CdTe quantum dots by microwave irradiation reduction and their Hg2+-sensitive properties

Cited by 160 publications

References 34 publications

Iron-Reducing Bacteria and Iron Nanostructures

Iron-Reducing Bacteria and Iron Nanostructures

Quantum Dot Conjugated Magnetic Nanoparticles for Targeted Drug Delivery and Imaging

Recent developments on nanomaterials-based optical sensors for Hg2+ detection

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