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1,880 Newest Publications about the topic chromium

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Cr(VI) Uptake and Reduction by Biogenic Iron (Oxyhydr)oxides

20-Jun-2018 | Andrew H Whitaker; Mathilde Amor; Jasquelin Pena; Owen W Duckworth, Journal of Environmental Monitoring, 2018

The mobility and toxicity of chromium (Cr) in soil and water systems are largely controlled by its oxidation state and interactions with solid phases. Relative to abiotic minerals, biogenic iron (Fe) (oxyhydr)oxides (BIOS) may enhance Cr(VI) adsorption and reduction due to their poorly ordered ...

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Giant tunneling magnetoresistance in spin-filter van der Waals heterostructures

15-Jun-2018 | Tiancheng Song; Xinghan Cai; Matisse Wei-Yuan Tu; Xiaoou Zhang; Bevin Huang; Nathan P. Wilson; Kyle L. Seyler; Lin Z ..., Science , 2018

Magnetic multilayer devices that exploit magnetoresistance are the backbone of magnetic sensing and data storage technologies. Here, we report multiple-spin-filter magnetic tunnel junctions (sf-MTJs) based on van der Waals (vdW) heterostructures in which atomically thin chromium triiodide (CrI3) ...

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IJERPH, Vol. 15, Pages 1240: Source Identification and Apportionment of Trace Elements in Soils in the Yangtze River Delta, China

12-Jun-2018 | Shao, Shuai ; Hu, Bifeng ; Fu, Zhiyi ; Wang, Jiayu ; Lou, Ge ; Zhou, Yue ; Jin, Bin ; Li, Yan ; Shi, Zhou, International Journal of Environmental Research and Public Health, 2018

IJERPH, Vol. 15, Pages 1240: Source Identification and Apportionment of Trace Elements in Soils in the Yangtze River Delta, China International Journal of Environmental Research and Public Health doi: 10.3390/ijerph15061240 Authors: Shuai Shao Bifeng Hu Zhiyi Fu Jiayu Wang Ge ...

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Defect-sate of Indium Doped Bismuth Molybdate Nanosheets for Enhanced Photoreduction of Chromium (VI) under Visible Light Illumination

06-Jun-2018 | Zhongfu Li; Zhaohui Wu; Shumin Zhang; Jie Shen; Wenhui Feng; Yi Du; Long Wan; Shiying Zhang, Dalton Transactions, 2018

The construction of defect-state is an effective method for regulating the energy band structure of photocatalytic semiconductor materials. Establishing defect-state effectively is particularly significant strategy to improve the photoelectric conversion efficiency. Herein, we report a peculiar ...

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A simple methodology for constructing ferromagnetically coupled Cr(III) compounds

06-Jun-2018 | Euan K Brechin; Hector Fraser; Lucy Smythe; Sourav Dey; Gary Stephen Nichol; Stergios Piligkos; Gopalan Rajaraman, Dalton Transactions, 2018

A large family of chromium(III) dimers has been synthesised and magneto-structurally characterised using a combination of carboxylate and diethanolamine type ligands. The compounds have the general formula [Cr2(R1-deaH)2(O2CR2)Cl2]Cl where R1 = Me and R2 = H (1), Me (2), CMe3 (3), Ph (4), ...

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Using cobalt/chromium layered double hydroxide nano-sheets as a novel packed in-tube solid phase microextraction sorbent for facile extraction of acidic pesticides from water samples

30-May-2018 | Hamid Asiabi; Yadollah Yamini; Maryam Shamsayei, New Journal of Chemistry, 2018

In this work, a “packed in-tube” configuration has been developed for packed in-tube solid phase microextraction followed by high performance liquid chromatography. Cobalt/chromium-layered double hydroxide (Co/Cr (NO3−)-LDH) nano-sheets were synthesized by a simple coprecipitation method and were ...

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Sustainability, Vol. 10, Pages 1805: Commercial African Catfish (Clarias gariepinus) Recirculating Aquaculture Systems: Assessment of Element and Energy Pathways with Special Focus on the Phosphorus Cycle

30-May-2018 | Strauch, Sebastian Marcus; Wenzel, Lisa Carolina; Bischoff, Adrian ; Dellwig, Olaf ; Klein, Jan ; Schüch, Andrea ; ..., Sustainability, 2018

Sustainability, Vol. 10, Pages 1805: Commercial African Catfish (Clarias gariepinus) Recirculating Aquaculture Systems: Assessment of Element and Energy Pathways with Special Focus on the Phosphorus Cycle Sustainability doi: 10.3390/su10061805 Authors: Sebastian Marcus Strauch Lisa ...

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First crystal structures of oxo-bridged [CrIIITaV] dinuclear complexes: spectroscopic, magnetic and theoretical investigations of Cr–O–Ta core

30-May-2018 | Lidija Androš Dubraja; Marijana Juric; William Lafargue-Dit-Hauret; Damir Pajić; Andrej Zorko; Andrew Ozarowski; X ..., New Journal of Chemistry, 2018

Heterodinuclear complexes [Cr(bpy)2(H2O)(μ-O)Ta(C2O4)3]2·3.5H2O (1) and [H2(terpy)][Cr(terpy)(C2O4)(μ-O)Ta(C2O4)3]·0.5H2C2O4·2.5H2O (2) (bpy = 2,2′-bipyridine; terpy = 2,2′:6′,2′′-terpyridine) have been synthesised through a reaction of tris(oxalate)oxotantalate(V) anion and complex chromium(III) ...

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Practical immune-barometer sensor for trivalent Chromium Ions detection using gold core platinum shell nanoparticles Probes

29-May-2018 | Meng Xiao; Haicong Shen; Qiangqiang Fu; Wei Xiao; Hongfen Bian; Zhigang Zhang; Yong Tang, Analyst, 2018

The technology progress of biosensors has markedly improved healthcare, disease diagnosis, environment monitoring, and food safety control over the past few decades. However, development of sensitive, robust, low-cost and portable assays for on-site bioanalysis is still a great challenge. In this ...

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A promazine derivative-oriented chemical sensor for ultra-sensitive chromium determination

27-May-2018 | Z. M. Saigl; W. Ahmad; G. I. Mohammed; H. Alwael; A. H. Al-Bagawi; D. A. Al-Eryani; M. S. El-Shahawi, New Journal of Chemistry, 2018

The study reports a simple and highly selective spectrofluorometric method for trace determination and speciation of chromium(iii & vi) species in water using 10-(3-dimethylaminopropyl) phenothiazine hydrochloride, namely, promazine hydrochloride (PMH) as a fluorescence tagging reagent. The ...

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