“Metal Complexes” Science-Research, December 2021 — summary from NASA Technology Transfer Program, DOAJ and Zenodo

NASA Technology Transfer Program — summary generated by Brevi Assistant

NASA Kennedy Space Center is seeking companions interested in the industrial application of the Activated Metal Treatment System for dealing with polychlorinated biphenyls in paints. Current physical removal techniques have the ability to strip off PCB consisting of paint from surface areas; however, these approaches usually create a new waste stream that has to be treated according to Toxic Substances Control Act regulation. NASA Langley Research Center has established a technique for the synthesis of fiber-metal laminates by superhigh frequency plasma spray deposition. Using superhigh frequency plasma spray deposition offers a special approach to the construction of FMLs with many benefits. NASA has created a novel hybrid supercapacitor system utilizing upright graphene as an electrode material grown straight on enthusiast steels making use of a plasma enhanced chemical vapor deposition. The trick to the hybrid supercapacitor technology is the development of upright graphene directly on to an inexpensive metal substrate without making use of mass graphene, catalysts, or binders, resulting in boosted power density. Trendsetters at the NASA Johnson Space Center in collaboration with a vehicle partner have established the Modular Robotic Vehicle. NASA’s Langley Research Center has created a new technique to allow the prep work of metal/composite hybrid laminates, referred to as fiber metal laminates, by transferring metal directly onto textile making use of a plasma deposition procedure. Tiredness endurance is critical for the airworthiness of armed forces and civilian aging aircraft and for long-duration trips and deep space objectives. The MMC has both form memory alloy reinforcements and some low-melting phase components which, when heated up, essentially clamp the fracture edges back with each other and flow material into the split’s gap for a high toughness fixing.

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DOAJ — summary generated by Brevi Assistant

The coumarin center is a recurring motif in both synthetic and natural compounds that show a broad spectrum of organic properties consisting of anticoagulant, anti-inflammatory, antioxidant, antiviral, antimicrobial and anticancer agents along with enzyme preventions. On the other hand, it has been reported that the incorporation of a metal ion into coumarin derivatives can boost the activity of such complexes compared to coumarin-based ligands. In this work, two thiourea ligands birthing a phosphine team in one arm and in the other a phenyl group or 3,5-di-CF 3 replaced phenyl ring have been prepared and their control to Au and Ag has been studied. Different actions are observed for gold complexes, a linear geometry with sychronisation only to the phosphorus atom or a balance in between the direct and three-coordinated varieties exists, whereas for silver complexes the coordination of the ligand as P ^ S chelate is found. The reaction of methyldopa with o-vanillin in refluxing ethanol paid for Schiff base and characterized via physical analysis with a variety of spectra additionally the study of organic task. Schiff base complexes have been screened for their anti-bacterial activity against Gram negative and positive microorganisms and antifungal task showing promising anti-bacterial and biological task. A new method for preparing 1,5-diphenylselenocarbazone nanoparticles and their complexes with Pb2+, Cd2+, Co2+, and Ni2+ has been carried out making use of hot methanol solvent. The molar conductance dimensions in all complexes were taped to low values in DMSO, showing that all the metal complexes were non-electrolytes except the nickel complex that had an electrolytic nature. A new Schiff base ligand, 2- naphthalene-1ol, was prepared by the reflux condensation of p-phenylenediamine with 2-hydroxy-1naphthaldehyde and benzaldehyde. It was observed that the Carbon monoxide and Zn complexes had intermediate anti-bacterial tasks, while the V complex had the highest possible task against C. Albicans fungis. A new azo color ligand 2- [2'-azo] -4ethoxyphenol was prepared by responding a diazonium chloride salt service of 2-amino-6methoxy benzothiazole and coupled with 4-ethoxy phenol in an alkaline ethanolic remedy. The DPPH extreme scavenging assay was made use of to measure the antioxidant activity of generated substances and compared to the known antioxidant ascorbic acid.

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Zenodo — summary generated by Brevi Assistant

Division of Inorganic & Analytical Chemistry, School of Chemistry, Andhra University, Visakhapatnam-530 003, Andhra Pradesh, India. Equilibria of complexation of Carbon monoxide II, Ni II and Cu II ions with L-aspartic acid and ethylenediamine were explored pH metrically in 0. 0- 60. 0% v/v propylene glycol-water mixes keeping an ionic strength of 0. 16 mol L- 1 at 303. 0 ± 0. 1 K. Stability constants of ternary complexes were calculated and numerous models were fine-tuned with MINIQUAD75. Division of Chemistry, Mother Teresa Women’& rsquo; s University, Kodaikanal-624 101, Tamilnadu, India. The electron paramagnetic vibration ranges of the copper facility has revealed that the metalligand bond has substantial covalent character. Department of Chemistry, Inorganic Chemistry Section, Jadavpur University, Kolkata-700 032, India. Two of the three Zn II ions remain in square planar control with two SALEN dianions whereas the centrally located Zn II ion is worked with to 2 water particles and to four oxygen atoms of both Zn pieces formed in situ during the course of the reaction, in an altered octahedral fashion revealing the existence of Zn II ions in two various sychronisation environments in a solitary facility. P. G. Department of Chemistry, G. M. P. G. And Research Department of Chemistry, Seethalakshmi Ramaswami College, Tiruchirappalli-620 002, Tamilnadu, India. 2 new Schiff base ligands formed by the condensation of 5-bromosalicylaldehyde with sulfapyridine and sulfathiazole and their metal complexes of Co II, Ni II and Cu II were manufactured and defined by essential evaluation, molar conductance, thermal research studies, magnetic moment, EPR, IR, 1 H NMR, 13 C NMR, mass and digital spooky information. Division of Chemistry, National Institute of Technology, Kurukshetra-136 119, Haryana, India.

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  • https://zenodo.org/record/5717622 — Influence of propylene glycol on chemical speciation of ternary complexes of biand tri-dentate ligands with some essential metal ions.
  • https://zenodo.org/record/5732781 — Microwave assisted synthesis, spectroscopic characterization and luminescence property of transition metal complexes of 2-(3-phthalylhydrazidylazo)- ethylacetoacetate.
  • https://zenodo.org/record/5742305 — Synthesis and structure of mixed metal Zn3Ni2 -complexes of tetradentate Schiff bases.
  • https://zenodo.org/record/5733830 — Synthesis, characterization and antimicrobial studies of mono and bimetallic trinuclear transition metal complexes of bis(N2 ,N2 -acetylacetonehydrazonato)- N1 ,N1 -benzil dihydrazone (BAHBD) with CuII, NiII and CoII ions.
  • https://zenodo.org/record/5733834 — Synthesis, spectral characterization, thermal and biocidal properties of metal complexes with N-substituted sulfonamides.
  • https://zenodo.org/record/5749103 — Trivalent transition metal complexes derived from thiocarbohydrazide and dimedone.

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