Results 61 to 70 of about 560 (248)

Steric Coordination Modulated Iodine Chemistry With Four‐Electron Conversion for Zinc‐Iodine Batteries

Advanced Materials, EarlyView.
A dual‐additive electrolyte strategy is developed to address the hydrolysis of I+ in the aqueous electrolytes. The steric‐hindrance effect of TES− effectively shields I+ from nucleophilic attacks by hydroxyl groups, facilitating the reversible I−/I0/I+ conversion with four‐electron transfer.
Shuai Wang, Haoran Wang, Yujue Yang, Yuanyuan Gao, Yaopeng Wu, Junze Zhang, Jingxin Zhao, Yuejiao Chen, Bingang Xu   +8 more
wiley   +1 more source

Electrochemical probe for total determination and speciation of selenium (IV& VI) species in water, drug formulations and foodstuffs using Thoron–I as selective chelating agent

Results in Chemistry
The present study reports a highly sensitive, selective and cost effectiveness-sensing probe for total determination and speciation of selenium (IV & VI) species in complex matrices. The established probe was based upon controlled electrolysis of Se4+
H. Alwael
doaj   +1 more source

An intercomparison of dissolved iron speciation at the Bermuda Atlantic Time-series Study (BATS) site: Results from GEOTRACES Crossover Station A

Frontiers in Marine Science, 2016
The organic complexation of dissolved iron (Fe) was determined in depth profile samples collected from GEOTRACES Crossover Station A, the Bermuda Atlantic Time-series Study (BATS) site, as part of the Dutch and U.S.
Kristen Nicolle Buck, Loes J.A. Gerringa, Micha J.A. Rijkenberg   +2 more
doaj   +1 more source

Transient Laser‐Shocked Synthesis of Amorphous Layer‐Supported Metal Nanocrystals for Efficient Nitrate Reduction

Advanced Materials, EarlyView.
A general, versatile laser‐shock synthesis process is reported to produce various bimetallic CuNi, CuFe, CuCo, and medium‐entropy CuFeCoNi heterostructures, in which crystalline metal nanoparticles are anchored to amorphous hydroxide supports. During nitrate reduction reaction, the heterostructures undergo dynamic amorphous/crystalline reconstruction ...
Weihua Guo, Jixun Zhang, Siwei Zhang, Yangbo Ma, Yun Song, Jianjun Su, Zihao Li, Yinger Xin, Qiang Zhang, Mingming He, Ruixuan Wang, Rui Xue, Shibo Xi, Ying Wang, Shenlong Zhao, Tao Yang, Zhengxiao Guo, Ben Zhong Tang, Ruquan Ye   +18 more
wiley   +1 more source

Determination of Total Germanium in Chinese Herbal Remedies by Square-Wave Catalytic Adsorptive Cathodic Stripping Voltammetry at an Improved Bismuth Film Electrode

International Journal of Electrochemistry, 2013
A catalytic adsorptive cathodic stripping voltammetric method on an improved bismuth film electrode (BiFE) for the determination of trace germanium in the presence of pyrogallol has been investigated. A well-defined and sensitive stripping peak of Ge(IV)-
Shangwei Zhong, Jiali Su, Liang Chen, Jiefeng Tong, Wenfang Jia, Xiangjun Li, Hong Zou   +6 more
doaj   +1 more source

Fe-binding dissolved organic ligands in the oxic and suboxic waters of the Black Sea

Frontiers in Marine Science, 2016
In the oxygen-rich layer of the Black Sea, above the permanent halocline, the Fe and nitrate concentrations are low where fluorescence is relatively high , indicating uptake by phytoplankton.
Loes J.A. Gerringa, Micha J.A. Rijkenberg, Johann eBown, Andrew R Margolin, Patrick eLaan, Hein J. W. De Baar, Hein J. W. De Baar   +6 more
doaj   +1 more source

Stretchable and Strain‐Tolerant Gold‐Coated Fibrous Biosensor for Superoxide Anion Monitoring

Advanced Materials Technologies, EarlyView.
A breathable, stretchable gold nanomesh–TPU fiber platform is developed via controlled electroless deposition, enabling uniform through‐thickness conductivity while preserving porosity. Functionalized with superoxide dismutase, the system achieves selective, real‐time electrochemical detection of superoxide with high sensitivity, mechanical durability,
Jafar M. Batayneh, Ahyeon Koh
wiley   +1 more source

A Perspective on the Applications of Triphasic Gas Storage in Electrochemical Systems

Advanced Science, EarlyView.
Gas storage in microporous materials positioned locally at an electrode or electrocatalyst surface enhances electrochemical processes. Abstract Microporous materials store gases under dry conditions (e.g., hydrogen or oxygen via physisorption), but in some cases microporous materials also show triphasic (e.g., in a solid|gas|liquid system) gas storage ...
Zhongkai Li, Corin T. Scott, Taku Suzuki‐Osborne, John P. Lowe, Dominic Taylor, Mariolino Carta, Neil B. McKeown, Andrew D. Burrows, Lucia H. Mascaro, Frank Marken   +9 more
wiley   +1 more source

Iron-binding ligands in the southern California Current System: mechanistic studies

Frontiers in Marine Science, 2016
The distributions of dissolved iron and organic iron-binding ligands were examined in water column profiles and deckboard incubation experiments in the southern California Current System (sCCS) along a transition from coastal to semi-oligotrophic waters.
Randelle M Bundy, Randelle M Bundy, Katherine A Barbeau, Melissa eCarter, Mingshun eJiang   +4 more
doaj   +1 more source

Determination of Losartan and Triamterene in Pharmaceutical Compounds and Urine Using Cathodic Adsorptive Stripping Voltammetry

Analytical Sciences, 2008
A square-wave voltammetric procedure for the electroanalytical determination of losartan and triamterene in Britton-Robinson buffer (pH 3.0, 0.1 mol L(-1)) as a supporting electrolyte containing 30 ng mL(-1) of copper ions was developed. Opposite to the case of triamterene, losartan can not be reduced at a mercury electrode alone, but a new peak ...
ENSAFI, Ali Asghar, HAJIAN, Reza
openaire   +3 more sources