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Browsing by Subject "radiation exposure"

Now showing items 1-7 of 7

A computational model for previtamin D 3 production in skin

Meinhardt-Wollweber, Merve; Krebs, Ronald (Cambridge : Royal Society of Chemistry, 2012)

Low levels of vitamin D have been implicated in a wide variety of health issues from calcemic diseases to cancer, diabetes and cardiovascular disease. For most humans, the majority of vitamin D 3 is derived from sunlight. ...
Investigation of biophysical mechanisms in gold nanoparticle mediated laser manipulation of cells using a multimodal holographic and fluorescence imaging setup

Kalies, Stefan; Antonopoulos, Georgios C.; Rakoski, Mirko S.; Heinemann, Dag; Schomaker, Markus; Ripken, Tammo; Meyer, Heiko (San Francisco, CA : Public Library of Science (PLoS), 2015)

Laser based cell manipulation has proven to be a versatile tool in biomedical applications. In this context, combining weakly focused laser pulses and nanostructures, e.g. gold nanoparticles, promises to be useful for high ...
Light driven reactions of single physisorbed azobenzenes

Bazarnik, Maciej; Henzl, Jörg; Czajka, Ryszard; Morgenstern, Karina (Cambridge : Royal Society of Chemistry, 2011)

We present a successful attempt of decoupling a dye molecule from a metallic surface via physisorption for enabling direct photoisomerization. Effective switching between the isomers is possible by exposure to UV light via ...
Light intensity dependence of the kinetics of the photocatalytic oxidation of nitrogen(ii) oxide at the surface of TiO2

Dillert, Ralf; Engel, Astrid; Große, Julia; Lindner, Patrick; Bahnemann, Detlef W. (Cambridge : Royal Society of Chemistry, 2013)

Air pollution by nitrogen oxides represents a serious environmental problem in urban areas where numerous sources of these pollutants are concentrated. One approach to reduce the concentration of these air pollutants is ...
Signal integration on plant promoters A case study in maize

Horst, Ina; Heimann, Louisa; Peterhansel, Christoph (Abingdon : Taylor and Francis Ltd., 2013)

Gene promoters perceive numerous signals and integrate this information into a single response, the transcriptional activity of a gene. It was speculated that covalent modification of histones on the promoters might have ...
Strontium-90 in der Umwelt : Migrationsverhalten im Boden, Transfer in die Nahrungskette und Strahlenexposition in der nördlichen Ukraine

Mewis, Arne (Hannover : Universität, 2004)

[no abstract]
Three-dimensional cell growth on structures fabricated from ORMOCER® by two-photon polymerization technique

Schlie, Sabrina; Ngezahayo, Anaclet; Ovsianikov, Aleksandr; Fabian, Tilman; Kolb, Hans-Albert; Haferkamp, Heinz; Chichkov, Boris (London : SAGE Publications Ltd., 2007)

Two-photon polymerization technique was applied to generate three-dimensional (3D) scaffold-like structures using the photosensitive organic-inorganic hybrid polymer ORMOCER®. The structures were studied with respect to ...

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