Results 21 to 30 of about 27,628 (212)

Total Synthesis of Hematoporphyrin and Protoporphyrin; a Conceptually New Approach

CHIMIA, 2013
The total synthesis of protoporphyrin IX and its disodium salt using a new alternative method to the classical MacDonald condensation is reported.
Pierre Martin, Markus Müller, Dietmar Flubacher, Andreas Boudier, Dirk Spielvogel   +4 more
doaj   +1 more source

Porphyrin-magnetite nanoconjugates for biological imaging [PDF]

, 2011
<p>Background: The use of silica coated magnetic nanoparticles as contrast agents has resulted in the production of highly stable, non-toxic solutions that can be manipulated via an external magnetic field.
Byrne, S.J., Conroy, J., Corr, S.A., Gun'ko, Y.K., Nowostawska, M., Volkov, Y.   +5 more
core   +3 more sources

An in vitro study of the effect of 5-ALA-mediated photodynamic therapy on oral squamous cell carcinoma

BMC Oral Health, 2020
Background The primary aim of this study was to observe the effect of 5-ALA-mediated photodynamic therapy on oral squamous cell carcinoma in vitro. Methods SCC25 cells were divided into the observation group and the blank control group.
Ying Ma, Shujuan Qu, Liangpeng Xu, Hongbo Lu, Baoguo Li   +4 more
doaj   +1 more source

In vitro Assessment of Solar Filters for Erythropoietic Protoporphyria in the Action Spectrum of Protoporphyrin IX

Frontiers in Medicine, 2021
Introduction: Subjects with erythropoietic protoporphyria rely on broad-spectrum sunscreens with high sun protection factor, which is not informative on efficacy in the absorption spectrum of protoporphyrin IX, spanning visible radiation and peaking ...
Alvise Sernicola, Elena Cama, Maria Guglielmina Pelizzo, Maria Guglielmina Pelizzo, Enrico Tessarolo, Annamaria Nicolli, Giulia Viero, Mauro Alaibac   +7 more
doaj   +1 more source

Therapie chronischer Wunden mit wassergefiltertem Infrarot A (wIRA) [PDF]

, 2008
The central portion of chronic wounds is often hypoxic and relatively hypothermic, representing a deficient energy supply of the tissue, which impedes wound healing or even makes it impossible.
Daeschlein, Georg, Felbert, Verena von, Hoffmann, Gerd, Mercer, James B., Schumann, Hauke, Strasser, Wolfgang   +5 more
core   +1 more source

Functional and Biogenetical Heterogeneity of the Inner Membrane of Rat-Liver Mitochondria [PDF]

, 1971
Rat liver mitochondria were fragmented by a combined technique of swelling, shrinking, and sonication. Fragments of inner membrane were separated by density gradient centrifugation.
Allmann D. W., Ashwell M., Beattie D. S., Beattie D. S., Brunner G., Burstone M. S., Davis K. A., Delbruck A., Fiske C. H., Folch J., Gear A. R. L., Gear A. R. L., Gear A. R. L., Gelder B. F., Gotterer G. S., Hasegawa E., Hawley E. S., Johnson A. B., Klingenberg M., Kuntzel H., Labbe R. F., Lentz P. E., Neupert W., Neupert W., Novikoff A. B., Ohnishi K., Omura T., Parsons D. F., Parsons D. F., Pette D., Pollak J. K., Pullmann M. E., Raw J., Raw J., Reith A., Schneider W. C., Schuel H., Schumacher H.-H., Sebald W., Sebald W., Seligman A. M., Sies H., Sottocasa G. L., Stoffel W., Strecker H. J., Swick R. W., Szarkowska L., Tabor C. W., Tol A., Vazquez J. J., Yonetani T.   +50 more
core   +1 more source

Molecular Dynamics of Cobalt Protoporphyrin Antagonism of the Cancer Suppressor REV-ERBβ

Molecules, 2021
Nuclear receptor REV-ERBβ is an overexpressed oncoprotein that has been used as a target for cancer treatment. The metal-complex nature of its ligand, iron protoporphyrin IX (Heme), enables the REV-ERBβ to be used for multiple therapeutic modalities as a
Taufik Muhammad Fakih, Fransiska Kurniawan, Muhammad Yusuf, Mudasir Mudasir, Daryono Hadi Tjahjono   +4 more
doaj   +1 more source

Kinetics of 5-aminolevulinic acid-induced fluorescence in organ cultures of bronchial epithelium and tumor [PDF]

, 2002
Background: 5-Aminolevulinic acid (5-ALA)-induced protoporphyrin IX (PPIX) fluorescence improves the differentiation of tumor and normal tissue in the bladder, skin and brain. Objective: The kinetics of 5-ALA-induced protoporphyrin IX (PPIX) fluorescence
Al-Batran, Salah, Baumgartner, Reinhold, Bergner, Albrecht, Castro, Mirna, Gamarra, Fernando, Hautmann, Hubert, Huber, Rudolf M., Maier, Irmgard, Wagner, Simon   +8 more
core   +1 more source

Fluorescence‐based discrimination of breast cancer cells by direct exposure to 5‐aminolevulinic acid

Cancer Medicine, 2019
Protoporphyrin IX‐fluorescence measurement is a powerful in situ approach for cancer detection after oral/topical administration of 5‐aminolevulinic acid.
Midori Morita, Hideo Tanaka, Yasuaki Kumamoto, Akihiro Nakamura, Yoshinori Harada, Takehiro Ogata, Koichi Sakaguchi, Tetsuya Taguchi, Tetsuro Takamatsu   +8 more
doaj   +1 more source

Antimicrobial Photodynamic Therapy in the Control of COVID-19

Antibiotics, 2020
Antimicrobial photodynamic therapy (aPDT), using well known, safe and cost-effective photosensitizers, such as phenothiazines, e.g., methylene blue (MB), or porphyrins, e.g., protoporphyrin-IX (PP-IX), might help to mitigate the COVID-19 either to ...
Adelaide Almeida, M. Amparo F. Faustino, Maria G. P. M. S. Neves   +2 more
doaj   +1 more source