Results 111 to 120 of about 281 (158)

Evaluation of Necrosis Avidity and Potential for Rapid Imaging of Necrotic Myocardium of Radioiodinated Hypocrellins

Molecular Imaging and Biology, 2018
Zhiqi Yin, Dejian Huang, Yuanbo Feng
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Interactions of CT-DNA with Hypocrellin A and its Al3+–Hypocrellin A complex

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2013
In this study, the chelation of Hypocrellin A (HA) with Al(3+) in water solution has been synthesized, and the interactions of HA and Al(3+)-HA complex with calf thymus DNA are in detail compared by UV-vis and fluorescence spectroscopic techniques, circular dichroism spectroscopy and viscosity measurement.
Fei, Ma, Xuefeng, Ge, Heyong, Huang, Chao, Yang, Lina, Han, Jiahong, Zhou, Xiaodi, Yang   +6 more
openaire   +2 more sources

Comparing the interaction of vanadyl-hypocrellin A complex and hypocrellin A with CT DNA

Journal of Molecular Structure, 2013
Abstract Interaction studies of the vanadyl-hypocrellin A (VO 2+ -HA) complex and hypocrellin A (HA) with CT DNA were investigated by UV–Vis spectroscopy, DNA melting, fluorescence spectra and zeta potential measurements. The binding constants and binding mechanisms of HA and VO 2+ -HA with CT DNA had also been studied by fluorescence quenching ...
Chao Yang, Fei Ma, Jing Tang, Lina Han, Shaohua Wei, Lin Zhou, Jiahong Zhou, Jian Shen, Xuefeng Ge   +8 more
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Photoinactivation of Virus Infectivity by Hypocrellin A

Photochemistry and Photobiology, 1997
Abstract— We investigated the photoinactivation of virus infectivity by hypocrellin A and its mechanism. The titers of vesicular stomatitis virus (VSV) and human immunodeficiency virus type 1 (HIV‐1), both of which are enveloped viruses, were reduced upon illumination with hypocrellin A in a concentration‐dependent manner, whereas canine parvovirus, a ...
J, Hirayama, K, Ikebuchi, H, Abe, K W, Kwon, Y, Ohnishi, M, Horiuchi, M, Shinagawa, K, Ikuta, N, Kamo, S, Sekiguchi   +9 more
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Efficacy of hypocrellin pharmacokinetics in phototherapy

International Journal of Oncology, 2002
Hypocrellins A and B are pigments which are isolated from the parasitic fungi Hypocrella bambuase sacc and Shiraia bambusicola P. Heen found in the People's Republic of China and other parts of Asia including Sri Lanka. These agents, which belong to the general class of perylene quinonoid pigments, have a long history of traditional medicinal agents ...
Seyed Mohamed, Ali, Malini, Olivo
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Electrochemical study of Hypocrellin B in acetonitrile and aqueous micellar media. Comparison with Hypocrellin A

New Journal of Chemistry, 2004
The electrochemical behaviour of Hypocrellin B (HBH2) has been investigated in acetonitrile and in aqueous micellar media. In organic medium, HBH2 behaves similarly to Hypocrellin A (HAH2) since two successive reversible one-electron transfers are observed in the cathodic region.
Stephane Dumas, Pierre Jardon, Jean-Claude Lepretre, Andr� Jeunet   +3 more
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Photodynamic antimicrobial activity of hypocrellin A

Journal of Photochemistry and Photobiology B: Biology, 2011
Antimicrobial photodynamic therapy is a recently developed therapeutic option that combines a non-toxic photosensitizer with harmless visible light to damage the microbial cell. Hypocrellin A (HA), a natural occurring lipid-soluble perylenequinone pigment, has gained considerable interest since its anticancer and antiviral activities have been reported.
Yujie, Su, Jun, Sun, Shengqi, Rao, Yujie, Cai, Yanjun, Yang   +4 more
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HYPOCRELLIN‐A SENSITIZED PHOTOOXIDATION OF BILIRUBIN

Photochemistry and Photobiology, 1989
Abstract— Hypocrellin A (HA) extracted from Hypocrellia batnbusae (b.et Br.) sace, a derivative of 3,10‐dihydroxy‐4,9‐perylenequinone, is a highly effective photosensitizer. Kinetic studies of the HA‐sensitized photooxidation of bilirubin IXα (BR) in different solvents in the presence of various active oxygen quenchers indicate that in aprotic solvents
J S, Ma, F, Yan, C Q, Wang, J Y, An
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Selective photoinduced oxidation of 2,3,5-trimethylphenol to 2,3,5-trimethylbenzoquinone catalyzed by hypocrellins/CuCo2O4

Mendeleev Communications, 2010
Ying Li
exaly   +2 more sources

Photobleaching of Hypocrellin B and 2‐Taurine Substituted Hypocrellin B in Plasma Solution

Chinese Journal of Chemistry, 2008
AbstractPhotodynamic therapy (PDT) is a new methodology to utilize jointly a photosensitizer and light to destroy the target tissues of diseases via some photochemical reactions. On the other hand, the photosensitizer molecules may also be photo‐bleached during PDT, furthermore, their interaction with biomolecules and the photobleaching properties in ...
Hui‐Ying DING, Yang ZHANG, Ying GU, Jing‐Quan ZHAO   +3 more
openaire   +1 more source