Search Results - "Metal ions."

The growing prevalence of bacterial infections and the alarming rise of antimicrobial resistance (AMR) have driven the need for innovative antimicrobial coatings for medical implants and biomaterials. However, implant surface properties, such as roughness, chemistry, and reactivity, critically influ...

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Excessive levels of Pb²⁺ and Cd²⁺ in seawater pose significant combined toxicity to marine organisms, resulting in harmful effects and further threatening human health through biomagnification in the food chain. Traditional methods for detecting marine P...

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Nanocellulose-based composite aerogels have the advantages of high porosity, biodegradability, and biocompatibility, with wide applications in many fields, such as adsorption, separation, energy storage, and heat insulation. In this study, a nanocellulose-based composite aerogel (NCA) was prepared u...

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Background. Modifying the metabolism of microalgae through chemical and physical environmental factors to obtain useful substances. Objective. To summarize literature data on the effects of elevated concentrations of heavy metal ions on the biosynthesis of carotenoids, chlorophylls, and unsaturat...

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Interactions of  bovine serum albumin with some alkali earth metal ions  Na+, K+, Mg+2,Ca+2,were investigated to give the effect of metal molecular structure on complex formation of metal-protein molecules. To elucidate the interactions, the protein-metal combination in aqueous buffer solution of p...

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This short review provides an overview of the bioinorganic chemistry of molybdenum and tungsten, offering insights into current research perspectives and fundamental concepts in the field, as well as gaps in our knowledge. It is designed to highlight areas where future research is needed to fully el...

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Acid mine drainage originates from mining waste, tailings and overburden being exposed to air and water; it is also observed in abandoned mines, characterized by high acidity and increased concentrations of sulfate and heavy metals. It is considered a notorious pollutant, mostly affecting superficia...

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Graphite is the substance of  allotropes of carbon forms with diamond, and amorphous carbon, Graphite considered one of methods that we can use it for adsorption of heavy metals ion from water, by a new sorbent material having functionalized for solid phase extraction (SPE) metals (Zinc and Cobalt)...

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A novel polyhedron-based anionic Er-MOF with three types of cages and abundant open metal sites (OMSs) and Lewis base sites (LBSs) has been successfully synthesized. The inorganic secondary unit possesses a rarely reported six-connected three-nucleated rare-earth cluster, and the overall framework s...

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The development of eco-friendly methods for removing hazardous inorganic and organic contaminants (e.g., metal ions, synthetic dyes) from water systems is of great importance for the health and life of humans and animals. Recently, there has been growing interest in the possibilities of using deep e...

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Next-generation recycling technologies must be urgently innovated to tackle huge volumes of spent batteries, photovoltaic panels or printed circuit boards (WPCBs). Current e-waste recycling industrial technology is dominated by traditional recycling technologies. Herein, ionic liquids (ILs), deep eu...

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The effectiveness of hydration, which is the first stage of refining vegetable oils, depends primarily on the ability of the hydrating agent to convert nonhydratable phospholipids into their hydratable forms. The latter are complex compounds with polyvalent metal ions. Iron and copper ions have a ne...

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Abstract The integration of the Internet of Things (IoT) with advanced sensing technologies is transforming environmental monitoring and public health protection. In this study, a fully self‐powered and automated chemical sensing system is developed and integrated with a robotic hand for “touch and...

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Schiff base (methyl 6-(2- (4-hydroxyphenyl) -2- (1-phenyl ethyl ideneamino) acetamido) -3, 3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0] heptane-2-carboxylate)Co(II), Ni(II), Cu (II), Zn (II), and Hg(II)] ions were employed to make certain complexes. Metal analysis M percent, elemental chemical analy...

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The essence of coal spontaneous combustion lies in the existence of a large number of chemically active functional groups in the coal molecule, such as aldehyde group (-CHO) and methoxy group (-OCH₃) in the side chain structure of coal molecule, which can be easily oxidized, t...

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In this work, an enhanced Photonic Crystal Fiber (PCF) based on Surface Plasmon Resonance (SPR) sensor using a sided polished structure for the detection of toxic ions Arsenic in water was designed and implemented. The SPR curve can be obtained by polishing the side of the PCF after coating the Au...

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This study focuses on synthesizing a 1,2,4-triazine derivative, 5-(5-bromo-2-hydroxybenzylidene)-6-oxo-3-phenyl-5,6-dihydro-1,2,4-triazine-2(1H)-carbothio-amide (termed as HL), and the subsequent use of this ligand to capture three metal ions: Co(ii), Ni(ii), and Cu(ii). The objectives included the...

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