Results 201 to 210 of about 44,750 (259)
Exploiting porphyrin metabolism to inhibit angiogenesis. [PDF]
AngiogenesisDe Giorgio F +12 more
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Esterification of porphyrins and hydrolysis of porphyrin esters.
South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde, 1972 openaire +1 more source
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Self-assembly of porphyrin–azulene–porphyrin and porphyrin–azulene conjugates
Organic & Biomolecular Chemistry, 2009In this paper we report the synthesis and self-assembling behavior of new porphyrin-azulene-porphyrin and porphyrin-azulene conjugates. The porphyrin-azulene-porphyrin conjugate gelates a number of organic solvents, while the porphyrin-azulene conjugates form vesicles in a chloroform-methanol binary mixture.
Ze-Yun, Xiao +3 more
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American Journal of Industrial Medicine, 2002
AbstractBackgroundTo evaluate the possible effect of inorganic arsenic (iAs) and of its species on the urinary excretion of porphyrin homologues.MethodsTotal porphyrins and their homologues (copro, penta, hexa, hepta, uroporphyrins) and arsenic species (trivalent and pentavalent As; monomethyl arsonic acid; dimethyl arsinic acid; arsenobetaine) were ...
APOSTOLI, Pietro +3 more
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AbstractBackgroundTo evaluate the possible effect of inorganic arsenic (iAs) and of its species on the urinary excretion of porphyrin homologues.MethodsTotal porphyrins and their homologues (copro, penta, hexa, hepta, uroporphyrins) and arsenic species (trivalent and pentavalent As; monomethyl arsonic acid; dimethyl arsinic acid; arsenobetaine) were ...
APOSTOLI, Pietro +3 more
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Accounts of Chemical Research, 2018
In order to fabricate efficient molecular photonic devices, it has been a long-held aspiration for chemists to understand and mimic natural light-harvesting complexes where a rapid and efficient transfer of excitation energy between chlorophyll pigments is observed.
Rahul Dev Mukhopadhyay +3 more
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In order to fabricate efficient molecular photonic devices, it has been a long-held aspiration for chemists to understand and mimic natural light-harvesting complexes where a rapid and efficient transfer of excitation energy between chlorophyll pigments is observed.
Rahul Dev Mukhopadhyay +3 more
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Nanotechnology, 2012
A new cationic silver N-alkylpyridylporphyrin complex is able to 'sense' nanometric conductive particles with a diameter below 10 nm. The luminescence of the molecule changes its maximum from red to blue when it embraces a conductive (metallic or semiconducting) nanoparticle.
G A M, Safar +5 more
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A new cationic silver N-alkylpyridylporphyrin complex is able to 'sense' nanometric conductive particles with a diameter below 10 nm. The luminescence of the molecule changes its maximum from red to blue when it embraces a conductive (metallic or semiconducting) nanoparticle.
G A M, Safar +5 more
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Journal of the American Chemical Society, 2001
The synthesis and characterization of new nanoscale container molecules 7 and 8 are described. They are covalent hybrids of deepened, self-folding cavitands and metalloporphyrins. In receptor 7, the Zn-porphyrin wall is directly built onto the cavitand skeleton.
S D, Starnes, D M, Rudkevich, J, Rebek
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The synthesis and characterization of new nanoscale container molecules 7 and 8 are described. They are covalent hybrids of deepened, self-folding cavitands and metalloporphyrins. In receptor 7, the Zn-porphyrin wall is directly built onto the cavitand skeleton.
S D, Starnes, D M, Rudkevich, J, Rebek
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Chemistry – A European Journal, 2008
AbstractFour tetrathiafulvalene (TTF)‐annulated porphyrins 1–4 were synthesized and characterized. All contain a tetraphenylporphyrin (TPP) core onto which four, two, or one TTF subunits were annulated. Absorption and fluorescence spectroscopic studies together with electrochemical investigations reveal that interactions between the porphyrin system ...
Nielsen, Kent-A. +4 more
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AbstractFour tetrathiafulvalene (TTF)‐annulated porphyrins 1–4 were synthesized and characterized. All contain a tetraphenylporphyrin (TPP) core onto which four, two, or one TTF subunits were annulated. Absorption and fluorescence spectroscopic studies together with electrochemical investigations reveal that interactions between the porphyrin system ...
Nielsen, Kent-A. +4 more
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Schiff Base Porphyrin and Expanded Porphyrin Analogues
ChemInform, 2004AbstractFor Abstract see ChemInform Abstract in Full Text.
Wyeth B. Callaway +2 more
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Hole Mobility in Porphyrin- and Porphyrin-Fullerene Electropolymers
The Journal of Physical Chemistry B, 2012Charge transport within films of several new types of electropolymerized porphyrin and porphyrin-fullerene dyad polymers was studied in order to obtain information on the suitability of these organic semiconductors for applications in solar energy conversion, sensor devices, etc.
Bradley J, Brennan +4 more
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