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Zinc Compounds (2):
Recent article
Zinc Compounds
Abstract
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Ceska a Slovenska farmacie : casopis Ceske farmaceuticke spolecnosti a Slovenske farmaceuticke spolecnosti (60)2 2011
Abstract
The objective of this article is to describe the formulation and evaluation of dermal semisolid drugs--carbopol hydrogels containing the solution of Bukofit, zinc chloride and the local anaesthetic lidocaine. The hydrogels were evaluated after 2, 7, 14 and 28 days after their preparation and stored a...
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PMID: 21650010
PDF is available here.
PDF is available here.
Abstract
This chapter discusses the photosystem II (PSII) reconstitution into proteoliposomes. In the first part of the chapter, protocols are outlined for the preparation of lipid bilayer vesicles (liposomes) constituted of individual thylakoid lipids or their mixtures, for the preparation of PSII particles...
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PMID: 20960133
PDF is available here.
PDF is available here.
Chemical Communications (46)38 2010
Abstract
Cyclic RGD-peptide functionalized phospholipids micelle-encapsulated near-infrared CdTe/ZnSe quantum dots were synthesized as multifunctional probes for targeting and imaging tumors in live animals.
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PMID: 20820500
PDF is available here.
PDF is available here.
Abstract
We find that the equilibrium morphology is characterised by {220} facets, irrespective of the size of the particle, but that the presence of different high energy facets introduced kinetically may significantly influence the zinc blende to amorphous ZnS transformation size, as well as the agglomerat...
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PMID: 20820648
PDF is available here.
PDF is available here.
Abstract
The bleaching of Congo red was studied in the presence of zinc sulphide nanoparticles doped with Co2+ ion. The nanoparticles of zinc sulphide, doped with cobalt, were synthesized by controlled coprecipitation in the presence of mercaptoethanol as a capping agent. The characterization of nanoparticle...
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PMID: 21046948
PDF is available here.
PDF is available here.
Thrombosis and Haemostasis (104)3 2010
Abstract
I was 13 +/- 2 microM. k cat was seven fold decreased whereas K M was unaffected in the presence of 10 microM Zn2+. The inhibitory effect of Zn2+ on APC activity was also observed when factor Va was used as a substrate in an assay coupled to a prothrombinase assay. The interaction of Zn2+ with APC w...
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PMID: 20664913
PDF is available here.
PDF is available here.
Abstract
Blinking of zinc blende CdSe-based core/shell nanocrystals is studied as a function of shell materials and surface ligands. CdSe/ZnS, CdSe/ZnSe/ZnS and CdSe/CdS/ZnS core/shell nanocrystals are prepared by colloidal synthesis and six monolayers of larger bandgap shell materials are grown over the CdS...
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PMID: 20607188
PDF is available here.
PDF is available here.
Nanotechnology (21)29 2010
Abstract
We attribute to the size-selective sieving effect of CNTs. By controlling the terminating point for the flow of QDs across the CNT array, a QD size specific CNT/QD hybrid structure is achieved....
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PMID: 20585170
PDF is available here.
PDF is available here.
Abstract
ZnS : Cu,Cl/ZnS core-shell nanocrystals (NCs) have been synthesized via a facile aqueous synthesis method. The shell growth of the NCs was observed via a red-shift in the UV-Vis absorption spectra with increasing NC size. The Cu photoluminescence (PL) emission was enhanced by capping with a thin ZnS...
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PMID: 20648352
PDF is available here.
PDF is available here.
Abstract
We investigated the identity and the pH-dependent function of the apical H(+) channel in the airway epithelium. In pH stat recordings of confluent JME airway epithelia in Ussing chambers, Zn-sensitive acid secretion was activated at a mucosal threshold pH of approximately 7, above which it increased...
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PMID: 20548053
PDF is available here.
PDF is available here.
Journal of Fluorescence (20)4 2010
Abstract
In this paper, ZnSe nanoparticles, which were modified with mercaptoacetic acid (MAA), worked as novel fluorescence sensors for the quantitative determination of copper(II) and nickel(II). Under the optimal conditions, the fluorescence intensities of functionalized ZnSe nanoparticles were quenched b...
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PMID: 20213241
PDF is available here.
PDF is available here.
Abstract
The aim of this study was to utilize static test for examining the acute toxicity of two essential elements, Cu and Zn, to a native fish, Capoeta fusca, by static bioassay. The acute toxicity of two heavy metals to C. fusca was determined in the soft, hard and very hard water (40, 150 and 380 mg/L a...
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PMID: 20504831
PDF is available here.
PDF is available here.
Abstract
We depict the synthesis and characterization of copper(II) and zinc(II) coordination compounds of 4-(3',4'-dimethoxybenzaldehydene)2-3-dimethyl-1-phenyl-3-pyrazolin-5-semicarbazone (1a), 4-(3',4'-dimethoxybenzaldehydene)2-3-dimethyl-1-phenyl-3-pyrazolin-5-thiosemicarbazone (1b), 4-(3'-hydroxy-4'-nit...
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PMID: 20363662
PDF is available here.
PDF is available here.
Nanotechnology (21)25 2010
Abstract
We generate highly monodisperse ZnS and CdZnS shells on CdSe semiconductor nanocrystals at temperatures as low as 65 degrees C by enhancing the precursor solubility. Relatively small amounts of trioctylphosphine and trioctylphosphine oxide have marked effects on the solubility of the metal salts use...
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PMID: 20516578
PDF is available here.
PDF is available here.
Abstract
Chlorhexidine (CHX) is the most tested and leading oral antiseptic agent. Zinc as an active ingredient has shown additive and synergistic effect and when Sodium fluoride (NaF) was used it failed to show added effectiveness and the combined effect of NaF and Zinc chloride (ZnCl2) both as active ingre...
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PMID: 21188919
PDF is available here.
PDF is available here.
Abstract
Metals are essential cellular components selected by nature to function in several indispensable biochemical processes for living organisms. Metals are endowed with unique characteristics that include redox activity, variable coordination modes, and reactivity towards organic substrates. Due to thei...
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PMID: 20337575
PDF is available here.
PDF is available here.
Abstract
We were able to follow zinc sulfide particle formation on time scales down to 10(-5) s. The flow cell was designed in such a way that data acquisition on the microsecond time scale was possible under steady-state conditions along a liquid jet (tubular reactor concept), allowing SAXS data accumulatio...
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PMID: 20426411
PDF is available here.
PDF is available here.
Abstract
The sequential transformation of arynes into ortho-disubstituted arenes is achieved by a one-pot procedure using formamides and dialkylzincs. This reaction proceeded via a route involving the trapping reaction of the formal [2 + 2] cycloaddition adducts or quinone methides generated by the insertion...
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PMID: 20361749
PDF is available here.
PDF is available here.
Abstract
Six months of vitamin A, iron and zinc supplementation induces growth acceleration in short children born SGA with subnormal nutrients intake similar to growth hormone therapy....
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PMID: 20662342
PDF is available here.
PDF is available here.
Abstract
Zn(OTf)(2) acts as an excellent catalyst precursor for addition of various amine N-H bonds to carbodiimides under an atmosphere of air, offering a convenient synthesis of substituted guanidines with high functional-group tolerance. A Zn-N amido species is shown to act as the active species.
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PMID: 20449484
PDF is available here.
PDF is available here.
Abstract
We describe a simple, aqueous route for the one-pot synthesis of antibody-derivatized zinc sulfide (ZnS) immuno-QDs. In this strategy, easily expressed and purified fusion proteins perform the dual function of nanocrystal mineralizers through ZnS binding sequences identified by cell surface display...
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PMID: 20218715
PDF is available here.
PDF is available here.
Optics Letters (35)7 2010
Abstract
To realize an electrically pumped compact mid-IR microlaser, the optical properties of a Cr(2+):ZnSe film deposited by rf magnetron cosputtering were compared with those of a single crystal. The mid-IR room temperature photoluminescence efficiency of the film appears only twice less than the one of...
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PMID: 20364191
PDF is available here.
PDF is available here.
Chemical Communications (46)13 2010
Abstract
The reaction of glyoxylate with carbon dioxide to produce lactate is promoted when zinc sulfide is irradiated by ultraviolet light. These results, representing a model for the action of colloidal mineral semiconductors on early Earth, complete a consecutive series that culminates in entry-point mole...
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PMID: 20234927
PDF is available here.
PDF is available here.
Abstract
We have studied the effect of Cr(III)(phen)3 [(tris(1,10-phenanthroline) chromium(III) chloride)] on lymphocytes in order to find out if metallothioneins (MTs) are produced in the process. We also investigated whether zinc pretreatment is able to protect cells from apoptosis reported to occur for th...
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PMID: 20043934
PDF is available here.
PDF is available here.
Indian Pediatrics (47)3 2010
Abstract
Chemical Communications (46)8 2010
Abstract
Zn(OH)(2)-catalyzed allylation reactions of allylboronates with aldehydes proceeded smoothly in aqueous media; when alpha-substituted allylboronates were employed, the alpha-addition products were obtained exclusively, and syn-adducts were formed selectively in most cases; the use of Zn(OH)(2) with...
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PMID: 20449270
PDF is available here.
PDF is available here.
Chemical Communications (46)8 2010
Abstract
An induced cis-trans-trans (rctt) chair to cone structural rearrangement is forced by the addition of a pentacoordinate zinc(II) complex, overcoming thermodynamic and kinetic factors to produce the first phenyl-substituted zinc dimeric nanocapsule.
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PMID: 20449261
PDF is available here.
PDF is available here.
Journal of Environmental Science and Health, Part A: Toxic/Hazardous Substances & Environmental Engineering (45)1 2010
Abstract
Population growth of two cladocerans (Ceriodaphnia dubia and Daphnia pulex) exposed to 4 different concentrations of ZnCl(2) (0.125, 0.25, 0.5 and 1.0 mg L(-1), plus controls) at one algal food (Scenedesmus acutus) density (0.5 X 10(6) cells mL(-1)) was quantified for 30 days. Population densities o...
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PMID: 20390839
PDF is available here.
PDF is available here.
Abstract
The objective of these three clinical trials was to compare the impact of two commercial products, Colgate Total and Crest Pro-Health, on the formation of dental plaque over a 24-hour period of time. The studies utilized the Modified Gingival Margin Plaque Index (MGMPI), a validated and reliable cli...
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PMID: 21269038
PDF is available here.
PDF is available here.
Abstract
To assess the efficacy ofa dentifrice containing 0.3% triclosan/2.0% PVM/MA copolymer/0.243% sodium fluoride for controlling established gingivitis and supragingival plaque relative to that of a dentifrice containing 0.454% stannous fluoride, sodium hexametaphosphate, and zinc lactate, and a dentifr...
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PMID: 21269039
PDF is available here.
PDF is available here.
Abstract
To compare the efficacy ofa dentifrice containing 0.3% triclosan, 2.0% PVM/MA copolymer, and 0.243% sodium fluoride in controlling established gingivitis and supragingival plaque to that of a commercially available dentifrice containing 0.454% stannous fluoride, sodium hexametaphosphate, and zinc la...
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PMID: 21269040
PDF is available here.
PDF is available here.
Abstract
This double-blind clinical study, conducted at the University of Puerto Rico, San Juan, Puerto Rico, was designed to compare the efficacy of two commercially available dentifrices for the control of supragingival plaque and gingivitis.
Qualifying adult male and female subjects from the San Juan, Pue...
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PMID: 21269041
PDF is available here.
PDF is available here.
Abstract
In vitro testing of antimicrobial agents is an important tool in the testing hierarchy, and may provide interesting insights into their potential clinical efficacy. Agents with demonstrable in vitro antimicrobial activity may be effective against the same microorganisms in vivo, whereas agents witho...
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PMID: 21269037
PDF is available here.
PDF is available here.
Journal of Oleo Science (59)3 2010
Abstract
We compared the corneal toxicity of two commercially available anti-glaucoma ophthalmic solutions, travoprost eye drops with sofzia consist of boric acid (H(3)BO(3)) and zinc chloride (ZnCl(2)) and latanoprost eye drops with benzalkonium chloride (BAC), using rat debrided corneal epithelium. Rat cor...
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PMID: 20124755
PDF is available here.
PDF is available here.
Optics Express (17)24 2009
Abstract
CdSe/ZnS core-shell quantum dots have been embedded within microstructured polymer optical fibres. The emission properties of quantum dots within fibres have been explored to show that variation in concentration, sample length and pumping regimes effects the emission characteristics of these quantum...
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PMID: 19997374
PDF is available here.
PDF is available here.
Optics Express (17)20 2009
Abstract
A new flexible pump source, the optically-pumped semiconductor disk laser (SDL), for the Cr(2+):ZnSe laser is reported. The SDL provides up to 6W output power at a free running central wavelength of 1.98 microm. The Cr(2+):ZnSe laser operated at an output power of 1.8W and a slope efficiency of appr...
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PMID: 19907603
PDF is available here.
PDF is available here.
Inorganic Chemistry (48)18 2009
Abstract
We discovered that we could adjust the Zn(0.93)Cd(0.07)Se QD intensity ratio of the band-edge (431 nm) to trap-state (499 nm) emissions by controlling the reaction time. Careful control of the reaction time allowed us to balance the relative strength of the band-edge and trap-state emissions, thereb...
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PMID: 19685916
PDF is available here.
PDF is available here.
Abstract
We report that free Zn(2+) disrupts cellular redox status through inhibition of glutathione reductase, and induces apoptosis by redox-mediated inhibition of the mitochondrial adenine nucleotide transporter (ANT). Inhibition of ANT causes increased mitochondrial oxidation, loss of ADP uptake, mitocho...
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PMID: 19768661
PDF is available here.
PDF is available here.
Abstract
We report a facile route which is based on tuning doping concentration of Mn(2+) ions in ZnS nanocrystals, to achieve deliberate color modulation from blue to orange-yellow under single-wavelength excitation. X-ray diffraction (XRD), transmission electron microscopy (TEM), as well as photoluminescen...
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PMID: 19705902
PDF is available here.
PDF is available here.
Applied Spectroscopy (63)9 2009
Abstract
The growth of Pseudomonas aeruginosa PAO1 biofilms on ZnSe internal reflection elements (IREs) was compared with their growth on TiO(2)-coated ZnSe over several days using attenuated total reflection Fourier transform infrared (ATR-FT-IR) spectroscopy. The effect of the TiO(2) coating on the IR spec...
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PMID: 19796481
PDF is available here.
PDF is available here.
Abstract
A very simple strategy for the synthesis of superparamagnetic and fluorescent Fe(3)O(4)/ZnS hollow nanospheres is presented. These hollow nanospheres are not only nontoxic with a highly porous shell and have diameters of <100 nm but also exhibit very good magnetic resonance and fluorescence.
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PMID: 19722639
PDF is available here.
PDF is available here.
Journal of Organic Chemistry (74)15 2009
Abstract
PTSA-ZnCl2 has been proved to be an efficient and mild catalyst for the synthesis of 3,5-disubstituted-1,2,4-oxadiazoles from amidoximes and organic nitriles.
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PMID: 19719253
PDF is available here.
PDF is available here.
Abstract
Histamine may be present in biological fluids and in pharmaceutical dosage forms such as antiallergenic agents; when in excess, it causes a disorder called histaminosis. Many techniques have been developed to determine the concentration of this compound but the application of such methods is complic...
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PMID: 19746841
PDF is available here.
PDF is available here.
Abstract
The number of sperms was 7.3, 1.7 and 6.6 million cells/ml in groups A, B and C respectively. Sperm's count decreased by 87% in group B (p < 0.001, CI 4117082.4 - 6965747.6) as compared to group A. Compared with group C, the sperm's count was decreased to 75% (p < 0.001, CI -5417413 to -4416987). Th...
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PMID: 19651015
PDF is available here.
PDF is available here.
Abstract
We aimed to address the mechanism by which zinc activates Akt. Treatment of H9c2 cells with ZnCl(2) (10 microM) in the presence of the zinc ionophore pyrithione (4 microM) for 20 min enhanced Akt phosphorylation (Ser(473)), indicating that zinc can rapidly activate Akt. Zinc did not alter either pho...
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PMID: 19525380
PDF is available here.
PDF is available here.
Clinical Toxicology (47)7 2009
Abstract
ZC is a strong corrosive agent, which, following ingestion, is capable of producing widespread damage locally and systematically with long-lasting morbidity and significant mortality. The mainstay of treatment is supportive. Esophago-gastro-duodenoscopy is the diagnostic procedure of choice in the a...
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PMID: 19640233
PDF is available here.
PDF is available here.
Abstract
A substantial database of annual metal runoff loads, obtained from a 14-month field exposure campaign on 12 different metal roofing materials at two sites within Paris conurbation, is presented herein. Thirteen metallic species have been considered. A comparison among the various roofing materials y...
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PMID: 19731652
PDF is available here.
PDF is available here.
Abstract
Mohs' chemosurgery, originally developed to treat skin cancer, uses zinc chloride in Mohs' ointment to fix tissues, and is applicable in different clinical settings. In advanced head and neck cancer, Mohs' chemosurgery relieves main skin-infiltration symptoms such as bleeding, infection, exudation, a...
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PMID: 19670797
PDF is available here.
PDF is available here.
Abstract
We recently reported that induction of metallothionein (MT) was critical in limiting nickel (Ni)-induced lung injury in intact mice. Nonetheless, the mechanism by which Ni induces MT expression is unclear. We hypothesized that the ability of Ni to mobilize zinc (Zn) may contribute to such regulation...
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PMID: 19097988
PDF is available here.
PDF is available here.
Abstract
The structure and temperature behaviour of the DNA+dipalmitoylphosphatidylcholine (DPPC) bilayer as a function of ZnCl2 concentration were examined using differential scanning calorimetry (DSC), small-angle neutron scattering (SANS) and small-angle X-ray diffraction (SAXD). Experiments revealed the...
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PMID: 19592711
PDF is available here.
PDF is available here.
Nanotechnology (20)21 2009
Abstract
A highly aligned one-dimensional (1D) nanostructure was realized at the surface of Fe/ZnSe bilayers grown on GaAs(001) substrates through thermal annealing. These 1D nano-grooves were found to align along the [110] direction resulting in bent reflection high energy electron diffraction (RHEED) patte...
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PMID: 19423938
PDF is available here.
PDF is available here.
Nanotechnology (20)20 2009
Abstract
These results are discussed with respect to a similar analysis performed on another Zn-based MOF, Zn4O(1,4-benzenedicarboxylate)3, IRMOF-1, presented recently. It is found that both materials adsorb hydrogen by similar mechanisms....
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PMID: 19420654
PDF is available here.
PDF is available here.
The Journal of Chemical Physics (130)13 2009
Abstract
This study presents a detailed investigation of near-infrared one- and two-photon absorption (TPA) in a series of highly conjugated (porphinato)zinc(II) compounds. The chromophores interrogated include meso-to-meso ethyne-bridged (porphinato)zinc(II) oligomers (PZn(n) species), (porphinato)zinc(II)-...
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PMID: 19355750
PDF is available here.
PDF is available here.
Nanotechnology (20)13 2009
Abstract
We present an investigation of the photoluminescence of CdSe/ZnS quantum dots at high light intensity and in low magnetic fields. Upon increasing the magnetic field up to 90 G, the photoluminescence intensity drops. When decreasing the magnetic field back to zero the photoluminescence drop remains p...
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PMID: 19420489
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (162)2-3 2009
Abstract
Nanoparticles of zinc sulfide as undoped and doped with manganese, nickel and copper were used as photocatalyst in the photodegradation of methylene blue and safranin as color pollutants. Photoreactivity of doped zinc sulfide was varied with dopant, mole fraction of dopant to zinc ion, pH of solutio...
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PMID: 18603365
PDF is available here.
PDF is available here.
Inorganic Chemistry (48)6 2009
Abstract
The neutral complex Zn(L*)(2) and its monocationic analogue [ZnL(L*).THF](1+) have been previously reported to contain two and one monoanionic alpha-iminopyridinate((1-)) pi radical ligands, respectively [Lu, C.C.; Bill, E.; Weyhermüller, T.; Bothe, E.; Wieghardt, K. J. Am. Chem. Soc. 2008, 130, 31...
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PMID: 19267507
PDF is available here.
PDF is available here.
Abstract
We report the synthesis, the structural and optical characterization of CdSe/CdS/ZnS "double shell" nanorods and their exploitation in cell labeling experiments. To synthesize such nanorods, first "dot-in-a-rod" CdSe(dot)/CdS(rod) core/shell nanocrystals were prepared. Then a ZnS shell was grown epi...
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PMID: 19206236
PDF is available here.
PDF is available here.
Abstract
We present a 33-year-old Chinese woman with Wilson's disease in whom ultrasonography and computed tomography showed gallbladder features suggestive of acute cholecystitis. Incongruence in liver function prompted further investigations with the final diagnosis of Wilson's disease, complicated by oede...
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PMID: 19352551
PDF is available here.
PDF is available here.
Acta Biologica Hungarica (60)1 2009
Abstract
We investigated the cytotoxicity of vanadium and the influence of zinc and selenium on vanadium-dependent cell damage in the BALB/c 3T3 cell culture. Treatment of cells for 24 hours with medium containing 50, 100 and 200 microM NaVO3 caused a significant decrease in the cell viability as measured by...
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PMID: 19378924
PDF is available here.
PDF is available here.