Synthesis and evaluation of the antibacterial activity of Cu(II) and Ni(II) complexes with mixed ligands based on glycine and dicarboxylic acids by Luisa Fernanda Múnera-Gómez, Juan Carlos Muñoz-Acevedo, Elizabeth Pabón-Gelves

“…The metal: ligands (M:L1:L2) stoichiometry of these complexes is 1:2:2, and coordination around Cu(II) and Ni(II) seems to be octahedral, with the ligands bound through the N atom of the amino group and O atoms of the bridging carboxylate group. …”
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Study of interaction between metal ions and quercetin by Taiane Souza de Castilho, Tatiane Brescovites Matias, Keller Paulo Nicolini, Jaqueline Nicolini

“…The values obtained were 2.20 ± 1.77 × 103 for Ca2+, 1.37 ± 0.59 × 103 for Mg2+ and 7.03 ± 1.04 × 104 for Ni2+, and all interactions showed type 1:1 stoichiometry, as determined by titration and by the method of continuous variations (Job’s method). …”
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Titrimetric and Spectrophotometric Determination of Metaprolol tartrate in Pharmaceuticals Using N-Bromosuccinimide by K. Basavaiah, B. C. Somashekar

“…Titrimetry allows the determination of 1 - 12 mg of MPT and the calculations are based on a 1: 4 (MPT: NBS) reaction stoichiometry. In spectrophotometry, the measured absorbance is found to increase linearly with the concentration of MPT serving as basis for quantitation. …”
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Entire Encapsulation of Thymopentin by Extended Biphen[3]arene Carboxylate for Improving Plasma Stability by Keming Ren, Junyi Chen, Chunju Li

“…The ¹H NMR results indicated that the large-sized extended biphen[3]arene carboxylate (ExBP3C) can entirely encapsulate this peptide at its main chain with a binding stoichiometry of 1:1 and <i>K</i>_a value of (1.87 ± 0.15) × 10⁵ M⁻¹, which varied radically from recognizing specific amino acid residues by carboxylatopillar[5]arene (CP5A). …”
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Catalytic Allylic Chlorination of Natural Terpenic Olefins Using Supported and Nonsupported Lewis Acid Catalysts by Ayoub Abdelkader Mekkaoui, Mouhsine Laayati, Hamza Orfi, Larbi El Firdoussi, Soufiane El Houssame

“…The scope and limitations of transition metal-based Lewis acid catalysts, stoichiometry, and substrate structure were evaluated. …”
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Characterization of WO3 Thin Films Grown on Silicon by HFMOD by Joel Díaz-Reyes, Roberto Castillo-Ojeda, Miguel Galván-Arellano, Orlando Zaca-Moran

“…The films, chemical stoichiometry was determined by X-ray photoelectron spectroscopy (XPS). …”
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Quantum Chemical Investigation on the Antioxidant Activity of Neutral and Anionic Forms of Juglone: Metal Chelation and Its Effect on Radical Scavenging Activity by Aymard Didier Fouegue Tamafo, Julius Numbonui Ghogomu, Nyiang Kennet Nkungli, Désiré Bikélé Mama, Elie Younang

“…It is noteworthy that only the 1 : 1 stoichiometry was considered herein. The effects of these metals on the radical scavenging activity of neutral juglone were evaluated via the usual descriptors of hydrogen atom transfer. …”
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Geometric model for dynamics of motor-driven centrosomal asters by Yuan-Nan Young, Vicente Gomez Herrera, Huan Zhang, Reza Farhadifar, Michael J. Shelley

“…Here, we present a comprehensive investigation of the S-model (S for stoichiometry) of aster dynamics based solely on such forces. …”
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Synthesis, Characterization and Antifungal Activity of Novel Quinazolin-4-one Derivatives Containing 8-Hydroxyquinazoline Ligand and its Various Metal Complexes by R. T. Vashi, S. B. Patel

“…The ligands and their complexes as case may be were characterized by elemental analysis, spectral studies and number of hydroxyl groups. The stoichiometry of the complexes has been found to be 1:2 (metal: ligand). …”
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Interaction of Calf Thymus DNA with the Ni(II) Complex of Sodium 1,4-Dihydroxy-9,10-Anthraquinone-2-Sulphonate: A Novel Method of Analysis Using Cyclic Voltammetry by Partha Sarathi Guin, Piyal Das, Saurabh Das, Parikshit Chandra Mandal

“…The paper evaluates site size of interaction that also serves as a means to determine stoichiometry of complex formation, between a metal ion and ligand from a DNA interaction study, probably a first of its kind.…”
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Charge transfer interaction of organic p-acceptors with the anti-hyperuricemic drug allopurinol: Insights from IR, Raman, 1H NMR and 13C NMR spectroscopies by Refat Moamen S., Saad Hosam A., Adam Abdel Majid A., Al-Omar Mohamed A., Naglah Ahmed M.

“…In this study, CT complexes derived from the reaction of the anti-hyperuricemic drug allopurinol (Allop) with organic p-acceptors [(picric acid (PA), dichlorodicyanobenzoquinone (DDQ) and chloranil (CHL)] were prepared, isolated and characterized by a range of physicochemical methods, such as IR, Raman, 1H NMR and 13C NMR spectroscopy. The stoichiometry of the complexes was verified by elemental analysis. …”
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Biopharmaceutical characterisation of ciprofloxacin-metallic ion interactions: Comparative study into the effect of aluminium, calcium, zinc and iron on drug solubility and dissolu... by Stojković Aleksandra, Tajber Lidia, Paluch Krzysztof J., Djurić Zorica, Parojčić Jelena, Corrigan Owen I.

“…Similarly to iron, a new complex consistent with Zn(SO4)2(Cl)2(ciprofloxacin)2 × nH2O stoichiometry was generated in the presence of relatively high concentrations of ciprofloxacin hydrochloride and zinc sulphate, indicating that small volume dissolution experiments can be useful for biorelevant dissolution tests.…”
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Formulation and validation of mathematical model for co-sputtering conditions to attain stoichiometric CZTS films: Expedience of using all metal sulfide targets by Munira Sultana, Afrina Sharmin, Md Rashed Alam, Shahran Ahmed, Md Aftab Ali Shaikh, M.S. Bashar

“…The EDX study shows that annealed films have a good stoichiometric ratio without sulfurization. Stoichiometry control, energy economy, and process simplicity improve when sulfurization is skipped for CZTS manufacturing. …”
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Preparation and characterization of simvastatin/DMβCD complex and its pharmacokinetics in rats by Gu Fugen, Ning Jia, Fan Huimin, Wu Chunzhi, Wang Yi

“…The solubility diagram of simvastatin with each βCD derivative could be classified as AL-type, indicating soluble complex formation of 1:1 stoichiometry. Among the above βCD derivatives DMβCD was found to be the ideal complexing agent for improving drug solubility. …”
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Discovery of bicyclic borane molecule B14H26 by Xiaoni Zhang, Tomoko Fujino, Yasunobu Ando, Yuki Tsujikawa, Tianle Wang, Takeru Nakashima, Haruto Sakurai, Kazuki Yamaguchi, Masafumi Horio, Hatsumi Mori, Jun Yoshinobu, Takahiro Kondo, Iwao Matsuda

“…The mass spectrometry unveiled that the stable molecule has a mass of 178 in atomic mass unit with a stoichiometry of B14H26. Optical spectra and simulations further evidenced its bicyclic structure, featuring fulvene-like heptagons or octagons. …”
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Host-Guest Interaction between Herbicide Oxadiargyl and Hydroxypropyl- β -Cyclodextrin by Sofia Benfeito, Tiago Rodrigues, Jorge Garrido, Fernanda Borges, E. Manuela Garrido

“…UV-Vis and NMR experiments allowed concluding that the stoichiometry of the OXA/HP-β-CD complex formed is 1 : 1. …”
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Synthesis and Structural Studies on Transition Metal Complexes Derived from 4-Hydroxy-4-methyl–2-pentanone-1H-benzimidazol-2-yl-hydrazone by M. Neelamma, P. Venkateswar Rao, G. H. Anuradha

“…From analytical and thermal data, the stoichiometry of the complexes has been found to be 1:1 (metal: ligand). …”
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Simple Spectrophotometric Method for Determination of Paroxetine in Tablets Using 1,2-Naphthoquinone-4-Sulphonate as a Chromogenic Reagent by Ibrahim A. Darwish, Heba H. Abdine, Sawsan M. Amer, Lama I. Al-Rayes

“…The proposed method was based on nucleophilic substitution reaction of PRX with 1,2-naphthoquinone-4-sulphonate (NQS) in an alkaline medium to form an orange-colored product of maximum absorption peak (𝜆max) at 488 nm. The stoichiometry and kinetics of the reaction were studied, and the reaction mechanism was postulated. …”
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Frustrated Lewis pairs on nanoparticles for colloidal catalysis: dream or reality? by Carenco, Sophie

“…However, it is critical to delineate operating conditions (e.g., stoichiometry of the ligand versus the number of active surface sites) for which the catalyst surface does not get poisoned by a very large number of coordinating species.Originating from molecular catalysis, a frustrated Lewis pair (FLP) is a compound containing a strong Lewis acid and a strong Lewis base that are prevented from forming an adduct. …”
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Different Nucleation Mechanisms during Atomic Layer Deposition of HfS2 on Cobalt Oxide Surfaces by Georg Fickenscher, Nikolai Sidorenko, Kira Mikulinskaya, Jörg Libuda

“…On these OH‐free or OH‐lean surfaces, the nucleation step involves a Lewis acid‐base reaction instead. The stoichiometry of the ─Hf(NMe2)x nuclei changes during the first ALD half cycle. …”
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