Quantum Dot Uptake in the New Zealand Environment

Najeh Al Salim; Emma Barraclough; Elisabeth Burgess; Brent Clothier; Markus Deurer; Steve Green; Louise Malone; Graham Weir

doi:10.4028/www.scientific.net/MSF.700.199

Paper Titles

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Trapping Single Cells: Comparison between Sandwiched Insulation with Back Contact (SIBC) and Planar Biochip
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Microfabrication Process for XYZ Stage-Needle Assembly for Cellular Delivery and Surgery
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Quantum Dot Uptake in the New Zealand Environment
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SEM Characterisation of the Cellulose Material Treated with Polycarboxylic Acid and Zeolite Nanoparticles
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Improvement of UHMWPE Properties for Bioimplants by Gamma Irradiation
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Effect of Morphology of Conducting Polymer on DNA Sensing
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Developing Polypyrrole-Based Oligonucleotide Biosensors
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HomeMaterials Science ForumMaterials Science Forum Vol. 700Quantum Dot Uptake in the New Zealand Environment

Quantum Dot Uptake in the New Zealand Environment

Abstract:

The use of quantum dots (QDs) for different applications such as biomarkers has increased in the past decade. Here we report on the uptake of fluorescent QDs into agricultural soil, and transport following their ingestion by the larvae of some common lepidopteran insects. Some QDs were leached through soil but their emission was quenched due to geo-effect. In contrast, fluorescence was still seen in leafroller larvae fed with these QDs and in their frass. Abbreviations: QD, quantum dot; NPs, Nanoparticles; Cys, cysteine; Gly, glycine; MPA, mercaptopropionic acid; MSA, mercaptosuccinic acid; AM, 2-aminoethanethiol; Na₂EDTA, ethylenediaminetetraacetic acid disodium salt; PV, pore volume

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Periodical:

Materials Science Forum (Volume 700)

Pages:

199-202

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.700.199

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Online since:

September 2011

Authors:

Najeh Al Salim, Emma Barraclough, Elisabeth Burgess, Brent Clothier, Markus Deurer, Steve Green, Louise Malone, Graham Weir

Keywords:

Contaminant Fate, Exposure Pathways, Geo-Quenching, Insect Ingestion, Nanomaterial, Quantum Dot (QD), Soil Transport

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