Part 2. meso-Tetraphenylporphyrin Dimer Derivatives as Potential Photosensitizers in Photodynamic Therapy¶

Autor: Marcus Neumann, Giulio Jori, José A. S. Cavaleiro, Maria G. P. M. S. Neves, Maria A. F. Faustino, Hans-D. Brauer

Publikováno v: Photochemistry and Photobiology. 72:217-225

Studies on the synthesis, singlet oxygen and fluorescence yields and pharmacokinetic properties of three different dimeric porphyrins with an amide linkage (D2–D4) are described and compared with the results recently reported for a dimeric porphyri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20ff7b7077817ab33f6acdeaf3a1a7fe
https://doi.org/10.1562/0031-8655(2000)0720217pmtdda2.0.co2

Evidence for competing electron and energy transfer for the fluorescence quenching of singlet oxygen sensitizers by molecular oxygen

Autor: Hans-Dieter Brauer, Marcus Neumann, Christof Grewer, Christoph Wirp

Publikováno v: Berichte der Bunsengesellschaft für physikalische Chemie. 98:997-1003

The rate constant of fluorescence quenching by molecular oxygen k was measured for a series of singlet oxygen (1O2)-sensitizers in toluene and adopts values between 3.5·1010 and 0.4·1010M−1 s−1. log(k) shows a correlation with the free energy o

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https://doi.org/10.1002/bbpc.19940980802

Gastrointestinal cancer web sites: how do they address patients' concerns?

Autor: Jan Beranek-Chiu, Gerlo Witucki, Susanne Bartelt, Karl Henne, Stefan Schulz, Sinje Jonassen, Marcus Neumann, Christian Weissenberger, Michael Geissler, Joshua Fogel, David Müller

Publikováno v: International journal of colorectal disease. 21(7)

We studied the quality of web sites containing information on gastrointestinal cancer, focusing on the way these web sites dealt with the special concerns of these patients. Searching the Internet for German-language gastroenterological cancer web si

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e4b55dbac046064f7318a670d82ee8c
https://pubmed.ncbi.nlm.nih.gov/16437212

Meso-tetraphenylporphyrin dimer derivative as a potential photosensitizer in photodynamic therapy

Autor: Maria A. F. Faustino, Giulio Jori, José A. S. Cavaleiro, Maria G. P. M. S. Neves, Marcus Neumann, Hans-D. Brauer, Maria G.H. Vicente

Publikováno v: Photochemistry and photobiology. 66(4)

— Studies on the synthesis, preliminary in vivo biological activity, singlet oxygen and fluorescence yields of a di-meric porphyrin (Dl) are described. The pharmacokinetic behavior and photodynamic properties of the dimer Dl were examined in Balb/c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19e7e92f58db0274abfb618b2448aebe
https://pubmed.ncbi.nlm.nih.gov/9337611

Exceedance of critical limits and their impact on tree nutrition

Autor: Peter Waldner, An Thimonier, Elisabeth Graf Pannatier, Aldo Marchetto, Marco Ferretti, Mario Calderisi, Pasi Rautio, Kirsti Derome, Tiina Nieminen, Nevalainen, S., Antti-Jussi Lindroos, Paivi Merilä, Kindermann, G., Marcus Neumann, Matthias Dobbertin, Nathalie Cools, Bruno De Vos, Peter Roskams, Karin Hansen, Hans-Peter Dietrich, Richard Fischer, Oliver Granke, Suzanne Iost, Martin Lorenz, Meining, S., Hans-Dieter Nagel, Primosz Simoncic, Klaus von Wilpert, Henning Meesenburg, Arne Verstraeten, Thomas Scheuschner, Morton Ingerslev, Stephan Raspe

Publikováno v: Research Institute for Nature and Forest
Waldner, P, Thimonier, A, Graf Pannatier, E, Marchetto, A, Ferretti, M, Calderisi, M, Rautio, P, Derome, K, Nieminen, T, Nevalainen, S, Lindroos, A-J, Merilä, P, Kindermann, G, Neumann, M, Dobbertin, M, Cools, N, De Vos, B, Roskams, P, Hansen, K, Dietrich, H-P, Fischer, R, Granke, O, Iost, S, Lorenz, M, Meining, S, Nagel, H-D, Simoncic, P, von Wilpert, K, Meesenburg, H, Verstraeten, A, Scheuschner, T, Ingerslev, M & Raspe, S 2012, ' Exceedance of critical limits and their impact on tree nutrition ' .

For N limited stands, enhanced N supply may stimulate the production of above-ground biomass. However, in excess, N loads may lead to nutrient imbalances and sensitivity to frost, insects, and fungi may increase (N saturation hypothesis, postulated b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::088ae14ea380edf67e22970bd700f589
https://pureportal.inbo.be/portal/en/publications/exceedance-of-critical-limits-and-their-impact-on-tree-nutrition(618331c8-50da-44d4-8d41-f3f81df3c3be).html