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Showing 1-30 of 48 results for "48079" within Papers
Vladimir Stepanenko et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 19(13), 4176-4183 (2013-02-13)
The self-assembly behavior of an achiral perylene bisimide (PBI) organogelator that bears two 3,4,5-tridodecyloxybenzoylaminoethyl substituents at the imide positions has been investigated in chiral solvents (R)- and (S)-limonene in great detail by circular dichroism (CD) spectroscopy and atomic force microscopy
Junjie Li et al.
Theranostics, 3(2), 127-137 (2013-02-21)
Based on the soil-to-seeds principle, we explored the small-molecular sequential dual-targeting theranostic strategy (SMSDTTS) for prolonged survival and imaging detectability in a xenograft tumor model. Thirty severe combined immunodeficiency (SCID) mice bearing bilateral radiation-induced fibrosarcoma-1 (RIF-1) subcutaneously were divided into
Angel Trigos et al.
Natural product communications, 8(2), 187-189 (2013-03-22)
From cultures of Cercospora piaropi, a phytopathogenic fungus isolated from symptomatic leaves of water hyacinth was obtained a red compound, which, according to the spectroscopic data, was epi-cercosporin. It showed in vitro antiproliferative activity against the panel of human solid
Maurus Biedermann et al.
Journal of chromatography. A, 1281, 106-114 (2013-02-12)
Insertion of a programmed temperature vaporizing (PTV) injector under conditions of concurrent solvent recondensation (CSR) into the on-line HPLC-GC interface for on-column transfer (such as the retention gap technique with partially concurrent eluent evaporation) enables filtering off high boiling or
Fei Ma et al.
Bioorganic & medicinal chemistry letters, 23(6), 1689-1692 (2013-02-16)
The complex of Hypocrellin A with Al(3+) is prepared in water solution by a facile method. The water-solubility and stability of complexes are improved. Irradiation of Al(3+)-HA complex results in higher efficient generation of singlet oxygen ((1)O2) and photocleavage ability
Assessment of polycyclic aromatic hydrocarbons (PAHs) in soil of a Natural Reserve (Isola delle Femmine)(Italy) located in front of a plant for the production of cement
Orecchio S
Journal of Hazardous Materials, 173(1-3), 358-368 (2010)
Rozhin Penjweini et al.
Biochimica et biophysica acta, 1843(5), 855-865 (2014-02-01)
PVP-Hypericin (PVP: polyvinylpyrrolidone) is a potent anti-cancer photosensitizer for photodynamic diagnosis (PDD) and therapy (PDT). However, cellular targets and mechanisms involved in the cancer-selectivity of the photosensitizer are not yet fully understood. This paper gives new insights into the differential
Zhengxiao Ouyang et al.
Biochemical pharmacology, 90(3), 276-287 (2014-06-21)
Osteoclast-induced bone resorption and wear-particle-induced osteolysis leads to prosthetic loosening, one of the most common causes of joint implant failure, resulting in revision surgery. Thus, inhibition of osteoclastic bone resorption, which further prevents wear particle-induced osteolysis, is a potential treatment
Cuiling Du et al.
Chemistry, an Asian journal, 8(4), 736-742 (2013-02-13)
A reactive template method was used to fabricate alginate-based hydrogel microcapsules. The uniform and well-dispersed hydrogel capsules have a high drug loading capacity. After they are coated by a folate-linked lipid mixture on the surface, the capsules possess higher cell
Zejun Xu et al.
Chemical communications (Cambridge, England), 49(35), 3646-3648 (2013-03-27)
Different generations of perylenediimide-cored dendrimers with peripheral amine groups were synthesized. All these water-soluble dendrimers could rapidly internalize into live cells with high efficacy of gene transfection and low cytotoxicity. Increasing dendrimer generation increased their ability for gene transfection.
Cornelia Staerkel et al.
BMC plant biology, 13, 50-50 (2013-03-23)
Cercospora leaf spot disease, caused by the fungus Cercospora beticola, is the most destructive foliar disease of sugar beets (Beta vulgaris) worldwide. Cercosporin, a light-inducible toxin, is essential for necrosis of the leaf tissue and development of the typical leaf
Alexander Paulheim et al.
Physical chemistry chemical physics : PCCP, 15(14), 4906-4913 (2013-02-26)
We performed fluorescence (FL) and fluorescence excitation (FLE) spectroscopy on the model molecule perylene-3,4,9,10-tetracarboxyl acid dianhydride (PTCDA) for very low coverages (below 1% of a monolayer) on thin (100) oriented KCl films. Two different states of PTCDA molecules can be
Thanachai Taka et al.
Bioorganic & medicinal chemistry, 21(4), 883-890 (2013-01-17)
Cancer cells evade replicative senescence by re-expressing telomerase, which maintains telomere length and hence chromosomal integrity. Telomerase inhibition would lead cancer cells to senesce and therefore prevent cancer cells from growing indefinitely. G-quadruplex ligands can attenuate telomerase activity by inducing
Mohyeddin Assali et al.
ACS nano, 7(3), 2145-2153 (2013-02-21)
Herein, we describe the first report on a new class of disk-shaped and quite monodisperse water-soluble nanomaterials that we named glyconanosomes (GNS). GNSs were obtained by sliding out the cylindrical structures formed upon self-organization and photopolymerization of glycolipid 1 on
Diana Búzová et al.
General physiology and biophysics, 32(2), 201-208 (2013-03-13)
Hypericin (Hyp) is a promising photosensitizer for photodiagnostic and photodynamic therapy of cancer. However, Hyp has a large conjugated system and in aqueous solutions forms insoluble aggregates which do not possess biological activity. This makes intravenous injection of Hyp problematic
Chen Li et al.
Advanced materials (Deerfield Beach, Fla.), 24(5), 613-636 (2012-01-10)
Perylene imides have been an object of research for 100 years and their derivatives are key n-type semiconductors in the field of organic electronics. While perylene diimides have been applied in many electronic and photonic devices, their use can be
Sarah M Mickley Conron et al.
The journal of physical chemistry. B, 117(7), 2195-2204 (2013-01-31)
Two X-shaped, cruciform electron donor(2)-acceptor-acceptor'(2) (D(2)-A-A'(2)) molecules, 1 and 2, in which D = zinc 5-phenyl-10,15,20-tripentylporphyrin (ZnTPnP) or zinc 5,10,15,20-tetraphenylporphyrin (ZnTPP), respectively, A = pyromellitimide (PI), and A' = perylene-3,4:9,10-bis(dicarboximide) (PDI), were prepared to study self-assembly motifs that promote photoinitiated
I A Fedorov et al.
The Journal of chemical physics, 138(9), 094509-094509 (2013-03-15)
The electronic structure of crystalline perylene has been investigated within the framework of density functional theory including van der Waals interactions. The computations of the lattice parameters and cohesive energy have good agreement with experimental values. We have also calculated
Cuneyt Cirak et al.
Pharmaceutical biology, 51(3), 391-399 (2013-02-15)
The genus Hypericum (Guttiferae) has received considerable scientific interest as a source of biologically active compounds. The study determined the morphogenetic and ontogenetic variation in the main bioactive compounds of two Hypericum species, namely, Hypericum aviculariifolium subsp. depilatum var. depilatum
Virgil Percec et al.
Journal of the American Chemical Society, 135(10), 4129-4148 (2013-02-15)
The dendronized perylene 3,4:9,10-tetracarboxylic acid bisimide (PBI), (3,4,5)12G1-1-PBI, was reported by our laboratory to self-assemble into complex helical columns containing dimers of dendronized PBI with one molecule in each stratum, with different intra- and interdimer rotation angles but identical intra-
Z Ocak et al.
European review for medical and pharmacological sciences, 17(9), 1185-1190 (2013-05-22)
To investigate the effects of hypericin which is obtained from the plant Hypericum perforatum on the expression and the regulation of ADAMTS8 and ADAMTS9 genes in MCF7 breast cancer cells and on the viability of these cells. MCF7 cells were
Daniel Görl et al.
Angewandte Chemie (International ed. in English), 51(26), 6328-6348 (2012-05-11)
Perylene bisimides are among the most valuable functional dyes and have numerous potential applications. As a result of their chemical robustness, photostability, and outstanding optical and electronic properties, these dyes have been applied as pigments, fluorescence sensors, and n-semiconductors in
Reply to the 'Comment on "The structure and formation of hydrogen-bonded molecular networks on Au(111) surfaces revealed by scanning tunnelling and torsional-tapping atomic force microscopy"' by I. Cebula, M. T. Räisänen, R. Madueno, B. Karamzadeh and M. Buck, Phys. Chem. Chem. Phys., 2013, 15, DOI: 10.1039/c3cp50754h.
Vladimir V Korolkov et al.
Physical chemistry chemical physics : PCCP, 15(33), 14128-14129 (2013-07-19)
Marlein Miranda Cona et al.
Experimental biology and medicine (Maywood, N.J.), 238(12), 1437-1449 (2013-10-23)
We sought to reduce the radioactive intestinal waste after intravenous injection of necrosis avid iodine-131-labeled hypericin in dual-targeting anticancer radiotherapy and to study its pharmacokinetics in rats using a newly designed catheter. Iodine-123-labeled hypericin was prepared with iodogen as oxidant
Yishi Wu et al.
The journal of physical chemistry. A, 117(8), 1712-1720 (2013-02-09)
The first example of donor-linked di(perylene bisimide)s is reported. UV-vis absorption spectra of these newly synthesized dyads showed intense absorption across the entire visible region, demonstrating their excellent light-harvesting activities. The severe fluorescence quenching event probed by steady-state fluorescence spectroscopy
Mustafa Supur et al.
Physical chemistry chemical physics : PCCP, 15(7), 2539-2546 (2013-01-17)
Photodriven electron-transport properties of the self-assemblies of N,N'-di(2-(trimethylammoniumiodide)ethylene)perylenediimide stacks (TAIPDI)(n) with three electron donors, disodium 4,4'-bis(2-sulfonatostyryl)biphenyl (BSSBP, stilbene-420), sodium 9,10-dimethoxyanthracene-2-sulfonate (DANS) and disodium 6-amino-1,3-naphthalenedisulfonate (ANADS) have been studied in water. These electron donors vary in their π-extent to adjust the
Rozhin Penjweini et al.
Journal of photochemistry and photobiology. B, Biology, 120, 120-129 (2013-02-05)
Conventional photodynamic diagnosis (PDD) and therapy (PDT) makes use of photosensitizers that are excited by continuous light irradiation of specific wavelengths. In the case of PDT, the overdose of continuous excitation may lead to an expansion of necrosis in cancer
Anish Babu et al.
Journal of biomedical nanotechnology, 9(2), 177-192 (2013-05-01)
The present study focused on the development of a novel biodegradable nanoparticle system based on polyethyleneglycol-modified gelatin (PEG-GEL) and polylactic acid (PLA) biopolymers for improving the photodynamic efficacy of cyclohexane-1,2-diamino hypocrellin B (CHA2HB), a potent photodynamic therapeutic (PDT) agent. The
Nobuaki Soh et al.
Talanta, 85(3), 1233-1237 (2011-08-03)
Perylene bisimide (PBI) is a fluorescent dye which has strong emission and high photostability. Although PBI has been widely used for industrial materials, the application of PBI in analytical fields was limited mainly due to its high hydrophobicity. In recent
Alessandro Sanguineti et al.
Chemical communications (Cambridge, England), 49(16), 1618-1620 (2013-01-23)
Highly efficient plastic based single layer Luminescent Solar Concentrators (LSCs) require the design of luminophores having complete spectral separation between absorption and emission spectra (large Stokes shift). We describe the design, synthesis and characterization of a new perylene dye possessing
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