-
401
Charge transfer emission between π- and 4f-orbitals in a trivalent europium complex
Published 2025-01-01“…The Eu(III) complex exhibits an eight-coordination structure, comprising three anionic nitrates and two neutral electron-donating ligands containing a carbazole unit. …”
Get full text
Article -
402
Wetting behaviour of mixed surfactants on the mild steel surface
Published 2025-01-01“…In this study, the investigation sought to examine the surface-wetting characteristics of mild steel utilizing a blend of the cationic surfactant cetylpyridinium chloride (CPC) and the anionic surfactant sodium dodecyl sulfate (SDS). The wetting behaviour of mild steel surface is quantified in terms of contact angle corresponding to H2SO4, mixed surfactant acid solutions, and methanol for three hours. …”
Get full text
Article -
403
Phototransformations of non-toxic antioxidants, the derivatives of 1,2-dihydroquinolines, in homogeneous and micellar solutions
Published 1999-01-01“…The same product is formed over the whole range of pH. For the anionic surfactant (SDS) in acidic and alkaline solutions, the apparent rate constant in the micellar solutions is lower than that in the aqueous (negative micellar catalysis). …”
Get full text
Article -
404
Physicochemical Properties of Bottom Sediments in Maruba Dam Reservoir, Machakos, Kenya
Published 2022-01-01“…The concentration of cations and anions in the bottom sediments was found to be quite high, with a mean value of 0.225 dS⋅m−1. …”
Get full text
Article -
405
Layered Double Hydroxides as Effective Adsorbents for U(VI) and Toxic Heavy Metals Removal from Aqueous Media
Published 2013-01-01“…[Zn4Al2(OH)12]·EDTA·nH2O is recommended for practical application as one of the most efficient and inexpensive synthetic adsorbents designed for recovery of both cationic and particularly important anionic forms of U(VI) and other heavy metals from aqueous media. …”
Get full text
Article -
406
Co(II) Complex of Mefloquine Hydrochloride: Synthesis, Antimicrobial Potential, Antimalaria and Toxicological Activities
Published 2012-01-01“…It also revealed that the ligand anions were covalently bonded to the complex. In-vivo evaluation of antimicrobial studies of the metal complex showed greater activities when compared to the free mefloquine.The complex was screened against malarial parasites (Plasmodium yoelii nigeriensis): It was evident from the results obtained that Co(II) mefloquine has highest clearance of about 80% parasitaemia reduction compared to the free mefloquine. …”
Get full text
Article -
407
Photoetching of Immobilized TiO2-ENR50-PVC Composite for Improved Photocatalytic Activity
Published 2012-01-01“…The presence of SO42−, NO3−, and Cl− anions was detected in the mineralized solution where the solution pH was reduced from 7 to 4.…”
Get full text
Article -
408
Recognizing Dew as an Indicator and an Improver of Near-Surface Air Quality
Published 2017-01-01“…Analyses included measuring total dissolved solids, total suspended particulates, PM2.5 and PM10 concentrations, major cations (NH4+, Na+, K+, Ca2+, and Mg2+), major anions (F−, Cl−, SO42-, and NO3-), and organic and elemental carbon. …”
Get full text
Article -
409
Determination of Traces of Pd(II) in Spiked Samples by Using 3,4-Dihydroxybenzaldehydeisonicotinol-hydrazone as a Chelating Agent with UV Visible Spectrophotometer
Published 2011-01-01“…The correlation coefficient and regression coefficient of the Pd(II)-3,4-DHBINH complex were 1.08 and 0.04 respectively. Major cations and anions did not show any interference. Anti-microbial activity of the Pd(II)-3,4-DHBINH has been studied. …”
Get full text
Article -
410
Assembly of Genetically Engineered Ionizable Protein Nanocage-based Nanozymes for Intracellular Superoxide Scavenging
Published 2025-01-01“…RNA-sequencing analysis highlight the crucial role of these nanozymes in modulating superoxide anions-, hydrogen peroxide- and mitochondrial functions-relevant genes in IR injured cardiac tissue. …”
Get full text
Article -
411
Study on Synthesis and Service Properties of Anticoagulant Ice Microcapsule Coating Material
Published 2021-01-01“…PVA (1.5%) mixed with 24% sodium acetate was used to prepare an encapsulated salt emulsion, which was mixed with anionic emulsified asphalt and sprayed on the road surface. …”
Get full text
Article -
412
Spindle-shaped efficient adsorbent NiCo2O4/MIL-53(Fe) for the removal of Congo red: Design, synthesis and performance studies
Published 2025-01-01“…The influence of different amounts of adsorbent, different ratios of Co-Fe, pH, and the presence of other anions on the adsorption performance of CR was explored. …”
Get full text
Article -
413
On the Primary Ionization Mechanism(s) in Matrix-Assisted Laser Desorption Ionization
Published 2012-01-01“…Alternatively, by the absorption of one photon only, a heterodissociation of one of the O–H bonds can lead to a stable structure containing both cationic and anionic sites. This structure could be considered an intermediate that, through the absorption of a further photon, leads to the formation of matrix ions. …”
Get full text
Article -
414
Conformational Dynamics of Mitochondrial Inorganic Pyrophosphatase hPPA2 and Its Changes Caused by Pathogenic Mutations
Published 2025-01-01“…Analysis of the observed conformational dynamics revealed the formation of a binding site for anionic ligands in the active site that could be relevant to enzyme catalysis. …”
Get full text
Article -
415
Batch Adsorption of Orange II Dye on a New Green Hydrogel—Study on Working Parameters and Process Enhancement
Published 2025-01-01“…The viability of the prepared hydrogel as adsorbent was tested towards Orange II (OII) anionic dye. The influence of the <i>p</i>H, adsorbent amount, contact time, and initial dye concentration was evaluated. …”
Get full text
Article -
416
Switchable Adhesion of Hydrogels to Plant and Animal Tissues
Published 2025-02-01“…The higher the concentration of anionic polymers in a tissue, the stronger its adhesion to cationic gels. …”
Get full text
Article -
417
Rheological Properties of Hydrophobically Associative Copolymers Prepared in a Mixed Micellar Method Based on Methacryloxyethyl-dimethyl Cetyl Ammonium Chloride as Surfmer
Published 2014-01-01“…This method gives us an insight into the preparation of hydrophobically associative water-soluble copolymers by cationic surfmer-anionic surfactant mixed micellar polymerization with good performance.…”
Get full text
Article -
418
Efficient Removing of Pharmaceutical Contaminants of Commercial Carbamazepine by Natural Pyrite-Induced Fenton Reaction in a Wide pH Range
Published 2024-01-01“…While the changes of degradation efficiency of carbamazepine were inconspicuous in the presence of NO3− and SO42−, indicating strong anti-interference to environment common anions. Free-radical capturers suggested that hydroxyl radical (∙OH), superoxide radical (∙O2−), and singlet oxygen (1O2) participated in the degradation of carbamazepine. …”
Get full text
Article -
419
Bench Scale Treatability Studies of Contaminated Soil Using Soil Washing Technique
Published 2010-01-01“…For the remediation of contaminated soil matrices, a nonionic surfactant was used for the restoration of geotechnical properties of lubricant oil contaminated soil samples, whereas an anionic surfactant was employed to desorb cadmium from the contaminated soil matrix. …”
Get full text
Article -
420
Polycarbonate Microchip Containing CuBTC-Monopol Monolith for Solid-Phase Extraction of Dyes
Published 2020-01-01“…The evaluation of the microchip’s performance was undertaken as sorbent through retrieval of six toxic dyes (anionic and cationic dyes). Various parameters (desorption and extraction step flow rates, volume of desorption solvent, volume of sample, and type of desorption solvent) were examined to optimize dye extraction using fabricated microchips. …”
Get full text
Article