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Showing 1-30 of 34 results for "379077" within Papers
Sivasai Balivada et al.
BMC cancer, 10, 119-119 (2010-03-31)
There is renewed interest in magnetic hyperthermia as a treatment modality for cancer, especially when it is combined with other more traditional therapeutic approaches, such as the co-delivery of anticancer drugs or photodynamic therapy. The influence of bimagnetic nanoparticles (MNPs)
Kelly A D F Castro et al.
International journal of molecular sciences, 20(10) (2019-05-28)
The post-functionalization of 5,10,15-tris(1-methylpyridinium-4-yl)-20-(pentafluorophenyl)porphyrin tri-iodide, known as a highly efficient photosensitizer (PS) for antimicrobial photodynamic therapy (aPDT), in the presence of 3- or 4-mercaptobenzoic acid, afforded two new tricationic porphyrins with adequate carboxylic pending groups to be immobilized on chitosan
Cobalt Porphyrin Immobilized on a Niobium (V) Oxide Grafted?Silica Gel Surface: Study of the Catalytic Oxidation of Hydrazine.
Pessoa CA, et al.
Electroanalysis, 14(15-16), 1072-1076 (2002)
Soichiro Motoyama et al.
Journal of the American Chemical Society, 133(15), 5640-5643 (2011-04-01)
Layer-structured metal-organic framework (MOF) nanofilms (NAFS-2) consisting of 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin (H(2)TCPP) molecules and copper ion metal linkers were assembled on a gold or a silicon surface by applying a solution-based layer-by-layer growth technique coupled with the Langmuir-Blodgett method. Synchrotron X-ray diffraction
Sudeshna Bhattacharya et al.
Journal of photochemistry and photobiology. B, Biology, 101(1), 89-96 (2010-07-27)
The interaction between anionic form of meso-tetrakis(4-carboxyphenyl) porphyrin (TCPP) and calf thymus deoxyribonucleic acid (CT DNA) is investigated by measuring UV-vis absorption, steady-state fluorescence, steady-state fluorescence anisotropy, time-resolved fluorescence, resonance light scattering (RLS), FT-IR and circular dichroism (CD) spectra along
Christiane Hoppe-Jones et al.
Water research, 44(15), 4643-4659 (2010-07-06)
There is increasing concern regarding the presence of unregulated trace organic chemicals in drinking water supplies that receive discharge from municipal wastewater treatment plants. In comparison to conventional and advanced drinking water treatment, riverbank filtration represents a low-cost and low-energy
Mikalai M Kruk et al.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 11(6), 972-978 (2012-01-31)
Laser-induced optoacoustic spectroscopy was applied to evaluate the photoinduced structural volume changes upon triplet state formation, Δ(T)V, of an aqueous solution of 5,10,15,20-tetrakis-(4-carboxyphenyl)-porphin. Two molecular forms differing in the ionization state of the carboxylic groups at the para-position of the
Eun-Young Jeong et al.
Journal of hazardous materials, 185(2-3), 1311-1317 (2010-11-09)
Various adsorbents are available for the removal of heavy and toxic metals, silica-based materials have been the most popular. Recently, there has been considerable interest for the modification of organic moieties and mesostructured materials to enable their use as efficient
Bernadette Pegaz et al.
Journal of photochemistry and photobiology. B, Biology, 85(3), 216-222 (2006-09-19)
Particle size should be optimized to achieve targeted and extended drug delivery to the affected tissues. We describe here the effects of the mean particle size on the pharmacokinetics and photothrombic activity of meso-tetra(carboxyphenyl)porphyrin (TCPP), which is encapsulated into biodegradable
Prasad G Mahajan et al.
Journal of fluorescence, 28(4), 871-882 (2018-07-18)
New derivatives of tetrakis(4-carboxyphenyl) porphyrin were designed, synthesized and characterized by IR, proton NMR and mass spectroscopy. The ground and excited state nature of new derivatives were examined using UV-Vis. absorption and fluorescence spectroscopy, fluorescence quantum yield and fluorescence lifetime
Stefan Trapp et al.
Environmental science and pollution research international, 20(6), 4018-4029 (2012-12-06)
The uptake of the organophosphates tris(2-chloroethyl) phosphate (TCEP), tris(1-chloro-2-propyl) phosphate (TCPP), tributyl phosphate (TBP), the insect repellant N,N-diethyl toluamide (DEET), and the plasticizer n-butyl benzenesulfonamide (NBBS) into plants was studied in greenhouse experiments and simulated with a dynamic physiological plant
Potential use of biodegradable nanoparticles for the photodynamic therapy of eye diseases.
A Vargas et al.
Archivos de la Sociedad Espanola de Oftalmologia, 84(4), 169-171 (2009-04-23)
Wenbing Li et al.
ACS applied materials & interfaces, 1(8), 1778-1784 (2010-03-09)
A pH-responsive, TiO2-attached sensitizer was prepared based on the adsorption of 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin (TCPP) onto TiO2 nanoparticles. This colloidally dispersed TiO2-attached TCPP behaves as a single-phase colloidal sensitizer at pH 1.0-3.3 with quantum yields of singlet oxygen production (Phi(Delta)) between 0.20
Kornelia Lewandowska et al.
Molecules (Basel, Switzerland), 24(4) (2019-02-17)
Graphene oxide (GO) was modified by two modified porphyrins (THPP and TCPP) to form GO⁻porphyrin hybrids. Spectroscopic measurements demonstrated the formation of stable supramolecular aggregates when mixing two components in solution. The Fourier transform infrared (FTIR) and Raman scattering measurements
Zhiyuan Hu et al.
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie, 63(2), 155-164 (2008-09-16)
We studied the uptake of meso-tetra (carboxyphenyl) porphyrin (TCPP) nanoparticles by SW480 cells and carried out a systematic investigation of the cellular internalization mechanism of TCPP nanoparticles, also studied the photocytotoxicity of TCPP nanoparticles. At first, meso-tetra (carboxyphenyl) porphyrin (TCPP)
Cheng Zhi Huang et al.
Talanta, 75(1), 163-166 (2008-03-29)
With water-soluble anionic tetra (p-carboxyphenyl) porphyrin (TCPP) to solubilize multi-walled carbon nanotubes (MCNTs), we obtained a suspension that could be stable more than 1 week. With this TCPP/MCNTs suspension, we propose a spectrofluorometric method of DNA hybridization in this contribution.
W Föllmann et al.
Toxicology letters, 161(2), 124-134 (2005-09-13)
The organophosphorus esters tris-(2-chloroethyl)-phosphate (TCEP) and tris-(2-chloropropyl)-phosphate (TCPP) have been widely used as flame retardants and fire preventing agents, e.g. in polyurethane foams. We investigated the cytotoxic, genotoxic, mutagenic, and estrogenic potentials of TCEP and TCPP, using different in vitro
Heather M Stapleton et al.
Environmental science & technology, 43(19), 7490-7495 (2009-10-24)
Restrictions on the use of polybrominated diphenyl ethers (PBDEs) have resulted in the increased use of alternate flame retardant chemicals to meet flammability standards. However, it has been difficult to determine which chemical formulations are currently being used in high
Wenbing Li et al.
Chemical communications (Cambridge, England), 47(20), 5834-5836 (2011-04-14)
Here we report the observation of significantly enhanced fluorescence from molecules placed inside a silver nanocavity, as compared to those without the silver coating.
Wenwen Tu et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 17(34), 9440-9447 (2011-06-17)
The photoelectrochemical properties of free-base-porphyrin-functionalized zinc oxide nanoparticles were studied. A universal photoelectrochemical biosensing platform was constructed on indium tin oxide (ITO) by using the functional nanohybrid. The nanohybrid was synthesized by means of dentate binding of ZnO nanoparticles with
Aurélien Auger et al.
Nanoscale research letters, 6(1), 328-328 (2011-06-30)
Numerous luminophores may be encapsulated into silica nanoparticles (< 100 nm) using the reverse microemulsion process. Nevertheless, the behaviour and effect of such luminescent molecules appear to have been much less studied and may possibly prevent the encapsulation process from
Room temperature oxidation of alcohols with 1 atm dioxygen and air catalyzed by a novel three-dimensional microporous ruthenium(II,III) 4,4?,4?,4?-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakisbenzoate tetrafluoroborate, Catalysis Communications
Kato CN, et al.
Catalysis Communications, 7(9), 673-677 (2006)
Ram R R Prasad et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 24(57), 15309-15318 (2018-07-07)
Post-synthetic modification of the hafnium metal-organic framework MOF-808(Hf) to include triarylphosphine ligands is reported. Sulfonated phenylphosphines are incorporated without oxidation to give a "MOF ligand" that can complex late transition metals such as Ir and Rh to give a bifunctional
Huchen Zhou et al.
Journal of the American Chemical Society, 128(7), 2421-2425 (2006-02-16)
A practical protein-detecting array is desirable for its potential application in proteomics, medical diagnostics, and pathogen detection. Here, we report a novel protein-detecting array based on porphyrins containing peripheral amino acids as protein surface receptors. The array of porphyrin receptors
Nele Van den Eede et al.
Environment international, 37(2), 454-461 (2010-12-24)
A new and efficient analytical method was developed and validated for the analysis of organophosphorus flame retardants (OPFRs) in indoor dust samples. This method involves an extraction step by ultrasonication and vortex, followed by extract clean-up with Florisil solid-phase extraction
Trine Eggen et al.
The Science of the total environment, 408(21), 5147-5157 (2010-08-11)
Landfills have historically remained the most common methods of organized waste disposal and still remain so in many regions of the world. Thus, they may contain wastes resulting from several decades of disposal and decomposition with subsequent release of organic
Kunqi Wang et al.
Biosensors & bioelectronics, 32(1), 177-182 (2012-01-10)
Electrical energy generated directly from sunlight and biomass solution with a Photoelectrochemical Biofuel Cell (PEBFC) was investigated. The PEBFC consisted of a meso-tetrakis(4-carboxyphenyl)porphyrin (TCPP)-sensitized nanocrystalline titanium dioxide (TiO(2)) mesoporous film (NTDMF) as the photoanode and platinum black as the cathode.
Zehao Zhou et al.
Nanoscale, 13(1), 131-137 (2020-12-19)
Despite the increasing usage of porphyrinic metal-organic frameworks (MOFs) for combination therapy, the controlled encapsulation of inorganic nanoparticle-based therapeutics into such MOFs with specific structures has remained a major obstacle for improved tumor therapy. Here, we report the synthesis of
Junmin Wan et al.
Physical chemistry chemical physics : PCCP, 13(21), 10183-10190 (2011-04-20)
The 397.9 nm, 416.0 nm and 435.7 nm resonance Raman spectra were acquired for meso-tetrakis(4-carboxyphenyl)porphyrin (TCPP) in tetrahydrofuran solution, and the Raman effect of relaxation dynamics was analyzed according to Herzberg-Teller (vibronic coupling) contributions. Density functional calculations were done to
Koji Mitamura et al.
Langmuir : the ACS journal of surfaces and colloids, 24(6), 2266-2270 (2008-02-16)
Thin functional organic films on a gold substrate were fabricated by adsorbing tetrakis(carboxyphenyl)porphyrin (TCPP) on a spacer layer, which was prepared by the layer-by-layer adsorption of a dendrimer and a linear polymer. The thickness and photoluminescence of the films were
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