ArticleAngewandte Chemie (International ed. in English)2022
A Dual pH- and Light-Responsive Spiropyran-Based Surfactant: Investigations on Its Switching Behavior and Remote Control over Emulsion Stability.
Article in Angewandte Chemie (International ed. in English), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Protonation-Gated Orthogonal Control of Highly Efficient Molecular Motors With Broad Visible-Light Responsiveness.Angewandte Chemie (International ed. in English) · 2026Article
- Recycling and Reuse of a Sugar-Based Nonionic Surfactant Enabled by Redox-Switchable Precipitation-Dissolution.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Multigated Photochromic Materials: Mechanism, Progress, and Application.Research (Washington, D.C.) · 2026Review
- New Benzimidazole-Based pH-Sensitive Fluorescent Probes.Molecules (Basel, Switzerland) · 2025Article
- Reversible Adsorption and Interfacial Photoisomerization of Azobenzene Surfactants Studied by QCM.Langmuir : the ACS journal of surfaces and colloids · 2025Article
- Photoswitchable Merocyanine-Amphiphiles with Programmable Self-Assembly Times.Chemistry (Weinheim an der Bergstrasse, Germany) · 2025Article
- Dynamic Manipulation of Droplets on Liquid-Infused Surfaces Using Photoresponsive Surfactant.ACS central science · 2024Article
- Spiropyran/Merocyanine Amphiphile in Various Solvents: A Joint Experimental-Theoretical Approach to Photophysical Properties and Self-Assembly.International journal of molecular sciences · 2022Article
- A Dual pH- and Light-Responsive Spiropyran-Based Surfactant: Investigations on Its Switching Behavior and Remote Control over Emulsion Stability.Angewandte Chemie (International ed. in English) · 2022Article
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
A cationic surfactant containing a spiropyran unit is prepared exhibiting a dual-responsive adjustability of its surface-active characteristics. The switching mechanism of the system relies on the reversible conversion of the non-ionic spiropyran (SP) to a zwitterionic merocyanine (MC) and can be controlled by adjusting the pH value and via light, resulting in a pH-dependent photoactivity: While the compound possesses a pronounced difference in surface activity between both forms under acidic conditions, this behavior is suppressed at a neutral pH level. The underlying switching processes are investigated in detail, and a thermodynamic explanation based on a combination of theoretical and experimental results is provided. This complex stimuli-responsive behavior enables remote-control of colloidal systems. To demonstrate its applicability, the surfactant is utilized for the pH-dependent manipulation of oil-in-water emulsions.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.