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    Carbon black in tires, quantum dots in LEDs or titanium nitride in PET bottles ...
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    Research regarding the impacts of nanoparticles on people and the environment is needed. The German Federal Ministry of Education and Research funds projects to fill knowledge gaps and to initiate measures to identify and minimize risk.

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    Basic information about nanomaterials for humans and the environment.

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Welcome to DaNa2.0 (Data and knowledge on Nanomaterials)

What exactly are nanoparticles? What is meant by “exposure”? When do toxicologists speak of a risk? This and many more questions regarding research on safety aspects of nanomaterials are answered here: www.nanoobjects.info

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For the first time scientists from the INM - Leibniz Institute for New Materials were able to visualise growth receptors from cancer cells using gold nanoparticles.

In contrast to normal cells which have a tight regulation for cell renewage the process of cell division in cancer cells continues unrestricted due to their natural cell death being abrogated. This happens because too many receptors for the growth factor EGF, which are located on the cell surface, couple in pairs. These pairs in turn induce an intracellular signalling chain that finally leads to uninhibited growth of the cells. Now for the first time scientists from the Leibniz Institute for New Materials (INM) were able to visualise this coupling of individual receptors in human cancer cells using gold nanoparticles. The results were recently published in the Online -Journal Scientific Reports.

 

Original Publication
D. Peckys, J.-P. Baudoin, M. Eder, U.Werner, N. de Jonge (2013). “Epidermal growth factor receptor subunit locations determined in hydrated cells with environmental scanning electron microscopy”. Scientific Reports 3 (2013), Article Number: 2626, doi: 10.1038/srep02626.

 

 

Current Research

Graphene interlayer © bonninturina / fotolia.com

Information on the sponsorship programmes of the German Federal Ministry of Education and Research on nanotechnologies for humans and the environment.

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Knowledge Base

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A database with important and generally understandable aspects on health and environment of applied nanomaterials as well as facts on the safety of manufactured nanomaterials.

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Nano Basics

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The chapters on release, exposure, uptake and behavior of nanomaterials in the human body and in the environment as well as the risk assessment will give you a first overview.

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