Free-standing microcrystals of a fluorescent organic dye: Preparation and spectroscopic study by Mouhammad Abyan, Liliana Bîrlă, Franck Bertorelle, Fernanda Rodrigues, Suzanne Fery-Forgues

“…Suspensions of microcrystals were obtained from an organic fluorescent dye, 4-n-octylamino-7-nitrobenz-2-oxa-1,3-diazole, by reprecipitation in water in the presence of various macromolecules: anionic or cationic PAMAM dendrimer, poly(acrylic acid, sodium salt), poly(acrylamide), and calf thymus DNA. …”
Get full text

Extreme Air Pollution Events Spiking Ionic Levels at Urban and Rural Sites of Indo-Gangetic Plain by Manisha Mishra, U. C. Kulshrestha

“…Furthermore, the relationship between the cations and anions demonstrated that NH3 and HONO, as the primary gaseous species, were involved in heterogeneous aqueous-phase reactions and the formation of secondary aerosols. …”
Get full text

Peptide-Loaded Solid Lipid Nanoparticles Prepared through Coacervation Technique by Marina Gallarate, Luigi Battaglia, E. Peira, Michele Trotta

“…Insulin and leuprolide, chosen as model peptide drugs, were encapsulated within nanoparticles after hydrophobic ion pairing with anionic surfactants. Peptide integrity was maintained after encapsulation, and nanoparticles can act in vitro as a sustained release system for peptide.…”
Get full text

Cellulose Elementary Fibrils as Deagglomerated Binder for High-Mass-Loading Lithium Battery Electrodes by Young-Kuk Hong, Jung-Hui Kim, Nag-Young Kim, Kyeong-Seok Oh, Hong-I Kim, Seokhyeon Ryu, Yumi Ko, Ji-Young Kim, Kwon-Hyung Lee, Sang-Young Lee

“…The CEFs, due to their increased surface area and anionic charge density, promote uniform dispersion with carbon additives and mitigate interfacial side reactions in electrodes. …”
Get full text

Utilisation des résines échangeuses d’ions pour le nettoyage d’objets métalliques archéologiques ou historiques by Marietta Carlino, Elodie Guilminot

“…In this study, we focused on the elimination of Cu carbonates by testing 2 anionic resins and 2 cationic resins with different polymer matrices and exchanger groups. …”
Get full text

Nonlocal Nonlinear Optical Response of Ionic Liquids under Violet Excitation by Cássio E. A. Santos, Márcio A. R. C. Alencar, Pedro Migowski, Jairton Dupont, Jandir M. Hickmann

“…The bis(trifluoromethylsulfonyl)imide (Tf2N−) was employed as anionic part, while the cationic part consisted of four different imidazolium (, with , 6, 8, and 10) derivatives. …”
Get full text

Effect of Surfactant on Growth of ZnO Nanodumbbells and Their Characterization by Sunil Babu Eadi, Sungjin Kim, Soon Wook Jeong

“…We report the controlled synthesis of dumbbell shaped ZnO micro/nanostructures using anionic surfactant sodium dodecyl sulphate (SDS) by simple one-step hydrothermal method. …”
Get full text

Bacterial reduction in river water using nanocellulose membrane from pineapple biomass with ferrous-ferric oxide reinforcement by D. Syukri, H. Suryanto, F. Kurniawan, P.D. Hari, R.M. Fiana, . Rini

“…The effectiveness of the nanocomposite membrane at bacteria and dyes reduction was assessed.FINDINGS: Nano cellulose membrane effectively reduced gram-negative bacteria and anionic dyes in the water samples. The ferrous-ferric oxide reinforcement enhanced the effectiveness of the membrane on bacteria and dye reduction. …”
Get full text

The In Situ Polymerization and Characterization of PA6/LiCl Composites by Dandan Sun, Jiang Li, Qinghua Pan, Chaowei Hao, Guoqiao Lai

“…PA6/LiCl composites were synthesized by in situ anionic polymerization based on the interaction between the inorganic salts and PA6. …”
Get full text

Interaction of Molybdo-Phosphoric and Molybdo-Antimono-Phosphoric Heteropoly Acids with Silica Gels Modified with Aliphatic and Heterocyclic Quaternary Ammonium Salts by Olga A. Zaporozhets, Igor A. Kachan, Lionel S. Zinko, Julia P. Bas, Valentyn I. Davydov

“…It has been shown that the formation of ionassociates between the quaternary ammonium cations and the heteropoly anions is accompanied by their interaction with surface silica groups which accounts for the tight binding of heteropoly acids to the surface. …”
Get full text

Hepatocellular Bile Salt Transport: Lessons from Cholestasis by Michael Trauner, Peter Fickert, Rudolf E Stauber

“…Hepatic uptake and excretion of bile salts and several nonbile salt organic anions (eg, bilirubin) are mediated by a distinct set of polarized transport systems at the basolateral and apical plasma membrane domains of hepatocytes and bile duct epithelial cells (cholangiocytes). …”
Get full text

Sensitization of Perovskite Strontium Stannate SrSnO3 towards Visible-Light Absorption by Doping by Hungru Chen, Naoto Umezawa

“…In order to sensitize SrSnO3 toward visible-light activities, the effects of doping with various selected cations and anions are investigated by using hybrid density functional calculations. …”
Get full text

Research on inhibiting properties of new schale deposition reagents by Aga-Zade A. D., Cavadova L. A., Kholmurodova Dilafruz, Ungalov Sanjar

“…New compositions for inhibiting scale deposits on oil-field equipment and pipelines have been developed based on a nitrogen- containing compound, inhibited hydrochloric acid, anionic polymer and water. The efficiency of inhibiting scale deposits was assessed using artificially prepared mineral waters of carbonate and sulfate types, simulating formation waters. …”
Get full text

DEARYLATION IN THE INTERACTIONS BETWEEN (Et3NH)HC2O4 OR (Et3NH)2C2O4 AND SnPh3Cl: INFRARED STUDY by GORGUI AWA SECK, LIBASSE DIOP, ABOUBACARY SENE

“… Five new oxalato, hydrogenoxalato and hydrogenocarbonato adducts (three) and complexes (two) obtained on allowing (Et3NH)HC2O4 or (Et3NH)2C2O4 to react with SnPh3Cl have been studied by infrared spectroscopy, then discrete structures suggested on the basis of spectroscopic data. The anions behave as monochelating ligands, the environments around the metallic centres being octahedral. …”
Get full text

Total Organic Carbon Analysis of Residual Contaminants in Bioreactor Equipment: A Cleaning Verification Study using Surface Swabbing by Ciara E. Fitzpatrick, James J. Roche

“…The high levels of organic contamination were attributed to the enzyme-active anionic detergent that was used during the cleaning procedure. …”
Get full text

Crystal structure and Hirshfeld surface analysis of the organic–inorganic hybrid compound tris(2-iodoethylammonium) hexaiodidobismuthate(III) by Olesia I. Kucheriv, Valeriia M. Ovdenko, Iryna S. Kuzevanova, Irina A. Golenya, Il'ya A. Gural'skiy

“…The octahedra do not interact with each other, and the supramolecular arrangement is ensured by an intricate network of N—H...I hydrogen bonds between cations and anions. In addition, a weak I...I interaction between an organic cation and the coordination octahedron is present in the crystal structure. …”
Get full text

Surfactant Modified/Mediated Thin-Layer Chromatographic Systems for the Analysis of Amino Acids by Showkat A. Bhawani, Hassan M. Albishri, Ziya Ahmad Khan, Mohamad N. Mohamad Ibrahim, A. Mohammad

“…Three different kinds of surfactants (anionic, cationic, and nonionic) are used as modifiers for stationary phases as well as solvent systems. …”
Get full text

Chemical Modification on Reactive Dye Adsorption Capacity of Castor Seeds by V. Dharmalingam, A. K. Ramasamy, V. Balasuramanian

“…It was found that hydroxyl group inhibited the adsorption of anionic dyes but it was major functional group in the adsorption of cationic dyes, hydroxyl group was important functional group in the adsorption of all seven dyes and the effect of methylation of amino group was not significant on the adsorption of seven dyes.…”
Get full text

Electrochemical Behaviour of N′-(p-toluenesulphonyl)-3-methyl-4-(4′-substituted arylhydrazono) pyrazolin-5-ones by V. Nagaraju, R. Sreenivasulu, P. Venkata Ramana

“…The effect of solvent, cations and anions, temperature and substitutents on the mechanism of reduction has been studied. …”
Get full text

Effect of Experimental Parameters on the Formation of Hydrogels by Polyelectrolyte Complexation of Carboxymethylcellulose, Carboxymethyl Starch, and Alginic Acid with Chitosan by Elizabeth Henao Mejía, Héctor Contreras, Ezequiel Delgado, Germán Quintana

“…CMC/CS and AA/CS hydrogels were amorphous and porous three-dimensional networks, with smaller pores at higher anionic polymer/CS ratios. Gelation time increased the agglomeration in the case of CMC/CS and CMS/CS gels. …”
Get full text