PubMed Journals Articles About "Vanadium Company Uncovers Gold Target Nevada Project" RSS

18:58 EST 27th January 2020 | BioPortfolio

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Showing "Vanadium Company Uncovers Gold Target Nevada Project" PubMed Articles 1–25 of 11,000+

Filter aid selection allows modulating the vanadium concentration in beverages.

This study reports a clear-cut relationship of the technological use of specific filter aids with highly variable vanadium levels in beer, wine, and fruit juices. First, the previously reported broad range of vanadium levels was confirmed in 68 commercial beverages by ICP-MS. Since cloudy apple juices exhibited significantly lower vanadium amounts than clear apple juices, filter aids used for clarification were analyzed and found to contain substantial and highly variable amounts of vanadium, particularly i...

Alkoxide ligand controlled self-assembling of (imido)vanadium(V) compounds having a tetrahedral VON geometry.

The reaction of (1S,2S)-(-)-1,2-diphenylethylenediamine with VO(OPr) in the presence of NaH was found to afford the binuclear (imido)vanadium(V) triisopropoxide, [(OPr)V(N-meso-1,2-DPE-N)V(OPr)] (DPE = diphenylethylene), (1a). Using (1R,2R)-(+)-1,2-diphenylethylenediamine as a starting material, one-step reaction also proceeded to form the binuclear (imido)vanadium(V) triisopropoxide, [(OPr)V(N-meso-1,2-DPE-N)V(OPr)], (1a). The single-crystal X-ray structure determination of 1a revealed the hydrogen-bon...

Low colorectal cancer survival in the Mountain West state of Nevada: A population-based analysis.

Colorectal cancer (CRC) is the third greatest cancer burden in the United States. The remarkably diverse Mountain West state of Nevada has uncharacteristically high CRC mortality compared to other Western states. We aimed to study the determinants of the CRC excess burden by using data from the Nevada Central Cancer Registry from 2003-2013. Five-year cause-specific age-adjusted survival from colorectal cancer was calculated and stratified by sex, race/ethnicity and region of Nevada. Cox Proportional Hazards...

Second-Coordination Sphere Effect on the Reactivity of Vanadium-Peroxo Complexes: A Computational Study.

Vanadium-oxo and vanadium-peroxo complexes are common intermediates in biology and are, for instance, found in the catalytic cycle of vanadium haloperoxidases. In biomimetic chemistry synthetic models have been created that mimic the structural features of the coordination environment of these vanadium-oxo and vanadium-peroxo species. Recently, two novel vanadium-oxo complexes were trapped and characterized with a trigonal bipyramidal ligand design with either a solvent exposed vanadium center or the vanadi...

Comparison of Gold Yield with Traditional Amalgamation and Direct Smelting in Artisanal Small-Scale Gold Mining in Uganda.

The amalgamation method used by artisanal small-scale miners is the single largest source of global mercury emission. The goal of the 'Free Your Mine' project is to stop mercury use in artisanal and small-scale mining.

Response of vanadium bioaccumulation in tissues of Mugil cephalus (Linnaeus 1758).

Vanadium accumulation levels in different tissues (muscle and organs) of the striped mullet Mugil cephalus (Linnaeus, 1758) and possible relationships with blood parameters were evaluated in a Natural Protected Area (Lake Faro, Sicily, Italy), during the winter of 2017. Hematological parameters (red blood cell, RBC; white blood cell, WBC; hemoglobin concentration, Hb; hematocrit, Hct; mean corpuscular volume, MCV; mean corpuscular hemoglobin, MCH; mean corpuscular hemoglobin concentration, MCHC; thrombocyte...

Controllable Conversion of CO2 on Non-metallic Gold Clusters.

Gold nanoparticles in metallic or plasmonic state have been widely used to catalyze the homogeneous and heterogeneous reactions. However, the catalytic behaviours of gold catalysts in non-metallic or excitonic state remain elusive. Atomically precise Aun clusters (n = number of gold atoms) bridge the gap between non-metallic and metallic catalysts and offer new opportunities for unveiling the hidden properties of gold catalysts in the metallic, transition regime, and non-metallic states, respectively. Here ...

Electrolyte imbalance determination of a vanadium redox flow battery by potential-step analysis of the initial charging.

Vanadium redox flow batteries (VRFB) suffer from capacity fades due to side reactions and crossover effects through the membrane. These processes lead to a deviation of the optimal initial average oxidation state (AOS = +3.5) of vanadium species in both half-cell electrolytes. In order to rebalance the electrolyte solutions, it is first necessary to determine the current AOS. In this study a new method is presented that enables a precise determination of the AOS. A potential-step analysis is performed with ...

Mini review-vanadium-induced neurotoxicity and possible targets.

Vanadium, a transition metal, ubiquitous in nature is known to have therapeutic effect as well as toxic effect. It is known to possess antidiabetic, antitumor and antiparasitic activity. However, on long term exposure, it produces neurotoxicity which may result in memory impairment. The possible mechanism known to cause neurotoxicity suggested is oxidative stress and inflammation of neuronal cells. The present review has focused on discussing the role of protein P38 mitogen-activated protein kinase and oxid...

The neighborhood story project: Co-creating learning, caring, and empowering environments.

The study examines the Neighborhood Story Project, a facilitated three-month action research project that engages residents in community change. In particular, this paper identifies design and facilitation elements that facilitated participant growth within the project.

Another Stem Cell Company Is Put On Notice.

Colorimetric-based detection of using gold nanoparticles.

(uu) is one of the most common agents of urogenital infections and is associated with complications such as infertility, spontaneous abortion and other sexually transmitted diseases. Here, a DNA sensor based on oligonucleotide target-specific gold nanoparticles (AuNPs) was developed, in which the dispersed and aggregated states of oligonucleotide-functionalised AuNPs were optimised for the colorimetric detection of a polymerase chain reaction (PCR) amplicon of DNA. A non-cross-linking approach utilising a ...

Company Profiles.

Structural Characterization of a Gold/Serum Albumin Complex.

The medicinal gold(III) dithiocarbamato complex AuL forms a stable adduct with bovine serum albumin. The crystal structure reveals that a single gold(I) center is bound to Cys34, with the dithiocarbamato ligand being released. To the best of our knowledge, this is the first structure for a gold adduct of serum albumin.

Nucleic acid detection strategy using gold nanoprobe of two diverse origin.

In recent years, nanoparticles especially with gold and silver nanoparticles based point of care diagnostic methods is being developed for the lethal diseases like dengue. This study focused to work on the dengue virus detection in a simplest method using gold nanoparticles probe (AuNPs) with thiol tagged single strand DNA (ss-DNA). A sensitive, fluorescence-based detection strategy was designed to examine and quantified the hybridisation process and also elucidated the behaviour of AuNPs before and after i...

Company Profile: Aldevron Expands to Facilitate Emerging Therapies.

Bio-hybrid gold nanoparticles as SERS probe for rapid bacteria cell identification.

This study reports the utilization of engineered molecular networks between bacteriophage (or phage) and gold nanoparticles (AuNPs) prepared ablating a high purity gold target in water by nanosecond laser source. Gold colloids are assembled with P9b phage clone, displaying the specific peptide (QRKLAAKLT), able to bind P. aeruginosa. The single components and assembled systems were characterized by spectroscopic and electronic techniques, such as the conventional optical absorption and micro-Raman spectrosc...

Origin of In Clark County, Nevada.

is the primary vector for serious diseases, including those caused by chikungunya, dengue, and Zika viruses. In 2017, the Southern Nevada Health District first detected this invasive species in Clark County, NV, including in the city of Las Vegas. We analyzed from the city of North Las Vegas to determine the likely source of the invasion. We genotyped a sample of at 12 highly variable microsatellites and analyzed the data in reference to published data from 25 sites in the southern USA. We found that the ...

California's New Gold Rush: Marketplace Enrollees Switch To Gold-Tier Plans In Response To Insurance Premium Changes.

The individual health insurance market has grown significantly since the 2014 implementation of the Affordable Care Act's state-based and federally facilitated Marketplaces. During annual open enrollment periods, Marketplace enrollees can switch plans for the upcoming year. The percentage of reenrollees in California's state-based Marketplace, Covered California, who made changes to their coverage steadily increased between the 2014-15 and 2017-18 open enrollment periods. Following the implementation of "si...

Influence of gold nanoparticles in different aggregation states on the fluorescence of carbon dots and its application.

Herein, gold nanoparticles (Au NPs) in solution protected by various concentration of DNA at different aggregation states were found to have different quenching effect to the fluorescence of carbon dots (CDs). Au NPs wrapped up in more amount of DNA were able to quench the fluorescence of CDs more effectively, and vice versa. Based on this phenomenon, a facile and novel fluorescence sensing platform without labeling was constructed by designing the sequence of DNA as the aptamer of the detection target. Wit...

Worry Loves Company, but Unnecessary Consultations May Harm the Patients We Comanage.

Comparison of the QuantiFERON-TB Gold Plus and QuantiFERON-TB Gold In-Tube interferon-γ release assays: A systematic review and meta-analysis.

QuantiFERON-TB Gold Plus (QFT-Plus) is a new generation of QuantiFERON assay that differs from QuantiFERON-TB Gold In-Tube test (QFT-GIT). The aim of this study was to compare the performance of the new FDA-approved QFT-Plus interferon (IFN)-γ release assays (IGRAs) with the QFT-GIT version of this assay.

Cytotoxicity of vanadium oxide nanoparticles and titanium dioxide-coated vanadium oxide nanoparticles to human lung cells.

Due to excellent metal-insulator transition property, vanadium dioxide nanoparticles (VO NPs)-based nanomaterials are extensively studied and applied in various fields, and thus draw safety concerns of VO NPs exposure through various routes. Herein, the cytotoxicity of VO NPs (N-VO ) and titanium dioxide-coated VO NPs (T-VO ) to typical human lung cell lines (A549 and BEAS-2B) was studied by using a series of biological assays. It was found that both VO NPs induced a dose-dependent cytotoxicity, and the two...

Are Pharmaceutical Company Payments Incentivising Malpractice in Japanese Physicians?

Synthesis of gold allyloxysulfonium complexes and elimination to form an α,β-unsaturated aldehyde.

Treatment of the gold vinyl carbene/allylic cation complex (E)-[(IPr)AuC(H)C(H)C(4-C6H4OMe)2]+ OTf- with sulfoxides at -95 °C formed the corresponding gold allyloxysulfonium complexes [(IPr)AuC(H)(OSR2)C(H)[double bond, length as m-dash]C(4-C6H4OMe)2]+ OTf- [R = Me, -(CH2)4-, Ar] in ≥95 ± 5% NMR yield. Allyloxysulfonium gold complexes underwent elimination at or below room temperature to form 3,3-bis(4-methoxyphenyl)acrylaldehyde in ≥67% yield.

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