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Showing 1-27 of 27 results for "206105" within Papers
Joseph F Fowler et al.
Dermatitis : contact, atopic, occupational, drug, 19(3), 146-147 (2008-07-17)
Although contact allergy to some metals is common, patch testing for allergy to platinum is rarely performed. To determine the prevalence of positive patch-test reactions to platinum in an unselected consecutive group of patients presenting for diagnostic patch testing. Unselected
Valentina Ljubomirova et al.
Analytica chimica acta, 614(2), 119-126 (2008-04-19)
A method for the separation of tetrachloroplatinate PtCl(4)(2-), and hexachloroplatinate PtCl(6)(2-), by solid-phase extraction, using a Dowex 1x10 anion exchange resin is proposed. The sequential elution and separation of PtCl(4)(2-), and PtCl(6)(2-) is achieved using selective complexing agents. The eluates
Deuteron NMR study of the diverse mobility of the ammonium ions in the ordered phase of (ND4)2PtCl4.
Z T Lalowicz et al.
Solid state nuclear magnetic resonance, 22(2-3), 373-393 (2002-12-10)
A detailed description of the diverse mobility of the ND4+ ions in the low-temperature ordered phase of (ND4)2PtCl4 is developed on the basis of single-crystal deuteron NMR spectra and site-selective T1 measurements. The ordered phase of (ND4)2PtCl4 consists of two
G Wanner et al.
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 3(6), 368-374 (1995-09-01)
We describe a DNA-specific staining procedure, using a blue platinum organic dye, which allows DNA imaging of chromosomes by detection of back-scattered electrons in the scanning electron microscope. DNA distribution is visualized within chromosomal details of the centromeric and satellite
B C Chu et al.
Nucleic acids research, 20(10), 2497-2502 (1992-05-25)
We have prepared phosphorothioate-containing cyclic oligodeoxynucleotides that fold into 'dumbbells' containing CRE and TRE sequences, the binding sequences for the CREB and JUN proteins, respectively. Six phosphorothioate residues were introduced into each of the recognition sequences. K2PtCl4 crosslinks CRE to
L Trynda et al.
General physiology and biophysics, 17(1), 25-36 (1998-07-24)
The interaction of platinum complexes with bovine heart pyruvate kinase (PK) was studied by absorption, CD, fluorescence spectroscopy and enzymic activity test. Our results showed that activity of PK was reduced by cis-DDP and potassium tetrachloroplatinate in a time-and concentration
Francisco Tarazona-Vasquez et al.
The journal of physical chemistry. A, 111(5), 932-944 (2007-02-03)
Density functional theory is used to investigate the structure and energetics of the tetrachloroplatinate anion and its hydrolysis products at several degrees of hydration, as well as those of outer dendrimer pockets hosting such species. The number of water molecules
Wilfredo Hernándeza et al.
Bioinorganic chemistry and applications, 690952-690952 (2009-01-17)
The palladium (II) bis-chelate Pd (L(1-3))(2) and platinum (II) tetranuclear Pt(4)(L(4))(4) complexes of benzaldehyde thiosemicarbazone derivatives have been synthesized, and characterized by elemental analysis and IR, FAB(+)-mass and NMR ((1)H, (13)C) spectroscopy. The complex Pd(L(2))(2) [HL(2) = m-CN-benzaldehyde thiosemicarbazone] shows
Masatoshi Watabe et al.
Journal of inorganic biochemistry, 97(2), 240-248 (2003-09-27)
The preparation of platinum(II) complexes containing L-serine using K(2)[PtCl(4)] and KI as raw materials was undertaken. The cis-trans isomer ratio of the complexes in the reaction mixture differed significantly depending on whether KI was present or absent in the reaction
Sobhan Roy et al.
Journal of structural biology, 166(1), 79-87 (2009-03-06)
Indian tasar silk is produced by a wild insect called Antheraea mylitta. Insects do not have any antigen-antibody mediated immune system like vertebrates but they produce a wide variety of effector proteins and peptides possessing potent antifungal and antibacterial activity
Akon Higuchi et al.
Analytical chemistry, 80(17), 6580-6586 (2008-07-31)
DNA aptamers carrying Pt nanoparticles were prepared by the reaction of DNA aptamers (without functionalization with biotin, thiol, or other reactive groups) with K 2[PtCl 4] in solution at 60-90 degrees C. The DNA-Pt complexes possessed peroxidase enzymatic activity while
E Thanasias et al.
Advances in experimental medicine and biology, 755, 47-53 (2012-07-25)
Allergic immediate-type reactions by halogenated compounds of platinum (Pt) (platinum salts) have been described in workers in precious metal refineries and catalyst productions. In both industries there are exposures to many different Pt compounds. It is believed that the most
M Becker et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 133(1), 115-122 (1998-07-09)
The anticancer drug carboplatin has been monitored in rats during treatment by means of in vivo 195Pt NMR spectroscopy at 2.0 T. The purpose of the study was to assess local disposition kinetics in intact tissue following subcutaneous injection of
Season S Chen et al.
Journal of hazardous materials, 397, 122431-122431 (2020-05-22)
The structural and chemical stability of UiO-66-NH2 and its simulated solar irradiation responsive characteristic make it a suitable metal-organic framework (MOF) candidate as photocatalytic material. Platinum nanoparticles (Pt NPs) are typically immobilized in MOF to enhance the photocatalytic efficiency. However
Jovita R Tauro et al.
Journal of biomaterials science. Polymer edition, 16(10), 1233-1244 (2005-11-05)
The objective of this study was to synthesize and characterize particles as a drug-delivery platform for gliomas, a highly advanced and invasive stage of brain tumor with poor prognosis. Poly(aminoethyl methacrylate-co-methyl methacrylate) particles were prepared by suspension polymerization and poly(aminoethyl
A case of contact hypersensitivity to platinum salts.
E Dastychová et al.
Contact dermatitis, 43(4), 226-226 (2000-09-30)
H C Schuppe et al.
International archives of allergy and immunology, 112(2), 125-132 (1997-02-01)
The sensitizing properties of different complex salts of platinum were defined in vivo by means of the popliteal lymph node (PLN) assay in mice. Hexa- and tetrachloroplatinates were confirmed to be highly immunogenic, inducing vigorous primary immune responses in the
B C Chu et al.
Nucleic acids research, 18(17), 5163-5171 (1990-09-11)
We have investigated the efficiency with which PtII complexes cross-link phosphorothioates of oligonucleotides to complementary DNA targets. The A and G residues 2-5 bases downstream from the 5'-phosphorothioate group are preferred sites for cross-linking. Replacement of residues in this part
Francisco Tarazona-Vasquez et al.
The journal of physical chemistry. A, 111(5), 945-953 (2007-02-03)
Density functional theory is used to investigate the complexation ability of dendrimer outer pockets--in both tertiary amine protonated and unprotonated scenarios--toward molecular guests, particularly tetrachloroplatinate(II) and its mono- and diaquated derivatives as well as competing counterions. The effect of the
Erik Ullerås et al.
Toxicology, 206(2), 245-256 (2004-12-14)
Predictive testing of immunotoxicity associated with chemical compounds is complicated and cannot be accomplished with a single test. As most of the existing tests for immunotoxicity employ experimental animals, there is an increasing need for alternative tests in vitro. We
L Trynda et al.
Journal of inorganic biochemistry, 53(4), 249-260 (1994-03-01)
Absorption, CD, gel-filtration chromatography, and immunological tests were used to evaluate the interactions of K2PtCl4 with human serum albumin. Multidentate coordination of Pt(II) to HSA causes distinct variations in the protein conformation including a considerable decrease of the helical structure.
T Kusumoto et al.
International journal of hyperthermia : the official journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group, 11(4), 575-586 (1995-07-01)
To investigate the greatest therapeutic efficacy, we investigated the effect of scheduling on the cytotoxic interaction between hyperthermia and seven different platinum complexes in vitro and in vivo using the FSaII murine fibrosarcoma cells. Hyperthermia treatment (43 degrees C, 1
Joanna Arkusz et al.
Immunopharmacology and immunotoxicology, 32(1), 37-46 (2009-08-26)
Platinum salts, known occupational respiratory sensitizers, may also induce contact hypersensitivity in animal models. The aim of this study was to determine the effect of potassium tetrachloroplatinate (TCPP) on in vitro cultured human monocyte-derived dendritic cells (MoDCs) and to compare
P Koch et al.
Contact dermatitis, 34(4), 253-257 (1996-04-01)
We report a patient with contact stomatitis due to combined sensitization to palladium and platinum. Patch testing showed strong and persistent allergic patch test reactions to palladium chloride (1% pet.), ammonium tetrachloroplatinate (0.25% pet.), and a palladium metal plate. A
R J Dearman et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 36(3), 199-207 (1998-06-03)
Repeated topical exposure of BALB/c strain mice to organic chemical respiratory allergens, such as trimellitic anhydride (TMA), or contact allergens such as 2,4-dinitrochlorobenzene (DNCB), provokes characteristic cytokine secretion profiles consistent with the divergent activation of discrete T cell subpopulations. Under
Z T Lalowicz et al.
Solid state nuclear magnetic resonance, 8(2), 89-107 (1997-04-01)
Expressions are derived for the initial relaxation rate 1/T1 of protons and deuterons of nontunnelling NH4 and ND4 groups reorienting about various symmetry axes in solids. The reorientation rates are modified by a trigonal, tetragonal or monoclinic distortion of the
Gordana N Ostojic et al.
Langmuir : the ACS journal of surfaces and colloids, 24(17), 9784-9789 (2008-07-24)
A method for noncovalent functionalization of DNA-wrapped single-walled carbon nanotubes (SWNTs) using platinum-based DNA cross-linkers is investigated. In particular, cisplatin and potassium tetrachloroplatinate are shown to bind to DNA that encapsulates SWNTs in aqueous solution. The bound platinum salt can
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