Self-aggregation in aqueous TRITON X-100 solutionsnear CMC

Acosta, E.; Bisceglia, M.; Kurlat, D. H.

doi:10.1080/00319100500066133

Cited by 14 publications

(6 citation statements)

References 7 publications

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“…We chose these surfactants to improve PFOA degradation rates in US systems because CTAB and SDS are two of the most generally used, environmental friendly and biodegradable surfactants. Previous work has reported the CMC of CTAB, SDS, Triton-100, and PFOA to be as follows: PFOA: 37.9 mM > SDS: 8.3 mM > CTAB: 0.93 mM > TritonX-100: 0.28 mM [44][45][46]. In general, the lower the CMC the more prone a compound is to cluster on the bubble-water interface, and thus improve the degradation rate.…”

Section: Effect Of Phmentioning

confidence: 94%

Effect of surfactants on the degradation of perfluorooctanoic acid (PFOA) by ultrasonic (US) treatment

Lin

2016

Ultrasonics Sonochemistry

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Perfluorooctanoic acid (C7F15COOH, PFOA) is an aqueous anionic surfactant and a persistent organic pollutant. It can be easily adsorbed onto the bubble-water interface and both mineralized and degraded by ultrasonic (US) cavitation at room temperature. The aim of this study is to investigate whether the effect of US on the degradation of PFOA in solution can be enhanced by the addition of surfactant. To achieve this aim, we first investigated the addition of a cationic (hexadecyl trimethyl ammonium bromide, CTAB), a nonionic (octyl phenol ethoxylate, TritonX-100), and an anionic (sodium dodecyl sulfate, SDS) surfactant. We found the addition of CTAB to have increased the degradation rate the most, followed by TritonX-100. SDS inhibited the degradation rate. We then conducted further experiments characterizing the removal efficiency of CTAB at varying surfactant concentrations and solution pHs. The removal efficiency of PFOA increased with CTAB concentration, with the efficiency reaching 79% after 120 min at 25°C with a 0.12 mM CTAB dose.

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Section: Effect Of Phmentioning

confidence: 94%

Effect of surfactants on the degradation of perfluorooctanoic acid (PFOA) by ultrasonic (US) treatment

Lin

2016

Ultrasonics Sonochemistry

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“…Interaction of Kanamycin with Micellar TX-100. Here, 1 mM TX-100 was taken in the ITC cell, which is above its reported cmc of 0.8 mM, 41 to ensure that the drug interacted with the micellar form of TX-100 during the entire course of titration. Here a model composed of three sequential sets of binding sites fit well to the experimental data points.…”

Section: ■ Introductionmentioning

confidence: 99%

Correlating the Properties of Antibiotics with the Energetics of Partitioning in Colloidal Self-Assemblies and the Effect on the Binding of a Released Drug with a Target Protein

Judy

Kishore

2021

Langmuir

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The bioavailability of drugs and the monitoring of efficient dosage requires drug delivery through suitable vehicles. The partitioning characteristics of the drugs in the delivery vehicles is determined by their molecular features and structure. A quantitative understanding of the partitioning of drugs into delivery media and its subsequent release and binding to the target protein is essential to deriving guidelines for rational drug design. We have studied the partitioning of aminoglycosides and macrolide antibiotic drugs kanamycin, gentamicin, azithromycin, and erythromycin in cationic, nonionic, and the mixture of cationic and nonionic self-assemblies. The quantitative aspects of drug partitioning followed by the monitoring of its interaction with target model protein bovine serum albumin on subsequent release have been performed by using a combination of spectroscopy and high-sensitivity calorimetry. The mechanisms of partitioning have been analyzed on the basis of the values of standard molar enthalpy, entropy, the Gibbs free-energy change, and stoichiometry of interaction. The integrity of the binding sites and the effects of the components of the self-assemblies and the released drug on the serum albumin were analyzed by using differential scanning calorimetry and circular dichroism spectroscopy. The thermodynamic signatures of drug partitioning and subsequent binding to target protein have enabled an in-depth correlation of the structure− property−energetics relationships which are crucial for the broader objective of rational drug design.

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“…2(b). Since Triton X-100 ® changes its micellar structure with responding to concentrations, 12,13) the effect of surfactants can be considered from a molecular structure point of view. At a concentration of Triton X-100 ® below 1.0 CMC, there exist only monomers in the solution, and the monomers attach to the surface of wafer by their hydrophilic heads.…”

Section: Resultsmentioning

confidence: 99%

Effect of Post-CMP Cleaning On Electrochemical Characteristics of Cu and Ti in Patterned Wafer

Noh¹,

Kim

Lee

et al. 2009

Korean. J. Mater. Res.

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The effects of post-CMP cleaning on the chemical and galvanic corrosion of copper (Cu) and titanium (Ti) were studied in patterned silicon (Si) wafers. First, variation of the corrosion rate was investigated as a function of the concentration of citric acid that was included in both the CMP slurry and the post-CMP solution. The open circuit potential (OCP) of Cu decreased as the citric acid concentration increased. In contrast with Cu, the OCP of titanium (Ti) increased as this concentration increased. The gap in the OCP between Cu and Ti increased as citric acid concentration increased, which increased the galvanic corrosion rate between Cu and Ti. The corrosion rates of Cu showed a linear relationship with the concentrations of citric acid. Second, the effect of Triton X-100 ® , a nonionic surfactant, in a post-CMP solution on the electrochemical characteristics of the specimens was also investigated. The OCP of Cu decreased as the surfactant concentration increased. In contrast with Cu, the OCP of Ti increased greatly as this concentration increased. Given that Triton X-100 ® changes its micelle structure according to its concentration in the solution, the corrosion rate of each concentration was tested.

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Self-aggregation in aqueous TRITON X-100 solutionsnear CMC

Cited by 14 publications

References 7 publications

Effect of surfactants on the degradation of perfluorooctanoic acid (PFOA) by ultrasonic (US) treatment

Effect of surfactants on the degradation of perfluorooctanoic acid (PFOA) by ultrasonic (US) treatment

Correlating the Properties of Antibiotics with the Energetics of Partitioning in Colloidal Self-Assemblies and the Effect on the Binding of a Released Drug with a Target Protein

Effect of Post-CMP Cleaning On Electrochemical Characteristics of Cu and Ti in Patterned Wafer

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