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Effects of dilution and age on perfume release from two mixed-surfactant systems containing hydrotropes
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  • Harshita Kumari,
  • Marzieh Mirzamani,
  • Marc Flickinger,
  • Ronald L. Jones,
  • Kavserry Ananthapadmanabhan,
  • Ed Smith
Harshita Kumari
University of Cincinnati James L Winkle College of Pharmacy

Corresponding Author:kumariha@ucmail.uc.edu

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Marzieh Mirzamani
University of Cincinnati James L Winkle College of Pharmacy
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Marc Flickinger
The Procter & Gamble Company Mason Business Center
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Ronald L. Jones
NIST Center for Neutron Research
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Kavserry Ananthapadmanabhan
University of Cincinnati James L Winkle College of Pharmacy
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Ed Smith
The Procter & Gamble Company Mason Business Center
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Abstract

The study explores perfume encapsulation and release from micellar solutions, emphasizing the impact of perfume-surfactant interactions and micelle geometry. Examining two mixed-micelle systems with branched-tail (ST2S/CAPB) and linear-tail (SLE1S/CAPB) surfactants, the research systematically investigates the effects of time, perfume concentration, and dilution on micelle geometry and headspace release. Utilizing SANS, GC-MS, and statistical analyses, the study reveals stable systems over time, with increased perfume content causing micelle growth and dilution leading to micelle shrinkage. Both systems exhibit consistent trends in micelle geometry, except the branched-tail system forming a lamellar phase with added perfume. GC-MS headspace concentration correlates with micelle geometry, influenced by tail group structure. The findings contribute insights into the intricate dynamics of perfume-micelle interactions, crucial for formulations in material science and actives delivery.
Submitted to AIChE Journal
16 Mar 2024Reviewer(s) Assigned
10 May 2024Review(s) Completed, Editorial Evaluation Pending
19 May 2024Editorial Decision: Revise Minor
06 Jul 2024Assigned to Editor
06 Jul 2024Submission Checks Completed
06 Jul 2024Review(s) Completed, Editorial Evaluation Pending
23 Jul 2024Editorial Decision: Accept