Effect of Counterion on the Solvatochromic Properties of Heteroleptic Chelate Copper(II) Complexes by Hamid Golchoubian, Hakimeh Fazilati

Get full text

Aggregation control of anionic pentamethine cyanine enabling excitation wavelength selective NIR-II fluorescence imaging-guided photodynamic therapy by Yibin Li, Fei Qu, Fang Wan, Cheng Zhong, Jingyi Rao, Yijing Liu, Zhen Li, Jintao Zhu, Zhong’an Li

“…Herein, we report an example of an anionic pentamethine cyanine (C5T) photosensitizer for high-performance NIR-II fluorescence imaging-guided PDT. Through the counterion engineering approach, a triphenylphosphine cation (Pco) modified with oligoethylene glycol chain is synthesized and adopted as the counterion of C5T, which can effectively suppress the excessive and disordered aggregation of the resulting C5T-Pco by optimizing the dye amphipathicity and enhancing the cyanine-counterion interactions. …”
Get full text

Ion-specific effects in polyelectrolyte solutions: chain–chain interactions, chain rigidity and dynamics by Hotton, Claire, Sakhawoth, Yasine, Rollet, Anne-Laure, Sirieix-Plénet, Juliette, Tea, Lingsam, Combet, Sophie, Sharp, Melissa, Hoffmann, Ingo,  Nallet, Frédéric, Malikova, Natalie

“…The origin lies in the closer approach of large, highly polarisable counterions to the chain backbone, leading to more constricted counterion clouds. …”
Get full text

Synthesis and characterization of cis-bisdiphenylphosphinoethene gold(I) complexes by Fayet, Océane Yvonne Odette, Crespi, Stefano, Orthaber, Andreas

“…Structural analysis and theoretical studies shed further light on counter intermolecular packing motifs in the solid state including interactions of solvent, ligand and counterion fragments.…”
Get full text

How NaCl addition destabilizes ionic liquid micellar suspension until phase separation by Dufrêche, Jean-François, Plazanet, Marie, Meyer, Gautier, Billard, Isabelle

“…Specific chloride electrode allows the determination of chloride counterion adsorption for different samples in the phase diagram, all of them being single-phase. …”
Get full text

PFAS contamination in tap water: Target and suspect screening of zwitterionic, cationic, and anionic species across Canada and beyond by Termeh Teymoorian, Gabriel Munoz, Sébastien Sauvé

“…Short-chain perfluoroalkyl sulfonamides (FBSA, FHxSA) were also globally recurrent. Bistriflimide, a counterion often used in the composition of ionic liquids and in the production of lithium-ion batteries, was detected in 46 % of the samples. …”
Get full text

Use of Hydrophilic Insoluble Polymers in the Restoration of Metal-Contaminated Soils by Guiwei Qu, Amarilis de Varennes

“…In contaminated soils, hydrophilic insoluble polymers can create microcosms that are rich in water and nutrients (counterions) but only contain small concentrations of toxic elements; the conditions of these microenvironments are favorable to roots and microorganisms. …”
Get full text

Commercially Supplied Amine-Modified siRNAs May Require Ultrafiltration prior to Conjugation with Amine-Reactive Compounds by Shannen Lau, Bim Graham, Ben J. Boyd, Colin W. Pouton, Paul J. White

“…Communication with the commercial supplier revealed that ammonium acetate buffer was used in a desalting step as part of the siRNA purification process prior to supply, likely resulting in ammonium counterions to the siRNA polyanion, which would interfere with conjugation by consuming the SMCC. …”
Get full text

A high-valence bismuth(V) nanoplatform triggers cancer cell death and anti-tumor immune responses with exogenous excitation-free endogenous H2O2- and O2-independent ROS generation by Yizhang Tang, Xujiang Yu, Liangrui He, Meng Tang, Wenji Yue, Ruitong Chen, Jie Zhao, Qi Pan, Wanwan Li

“…The simultaneous release of sodium counterions after endocytosis triggers caspase-1-mediated pyroptosis. …”
Get full text