Investigating partitioning of free: Versus macrocycle bound guest into a model POPC lipid bilayer

Harshita Kumari, Andrew Eisenhart, Jinnipha Pajoubpong, Frank Heinrich, Thomas L. Beck

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We report on the permeation of free and macrocycle-bound avobenzone across a POPC lipid bilayer through combined neutron reflectometry experiments and molecular dynamics simulations. Results indicate that the p-phosphonated calix[8]arene macrocycle limits the avobenzone penetration into the upper leaflet of the membrane. Hence, it could serve as a useful vehicle for safer formulations.

Original languageEnglish
Pages (from-to)15148-15153
Number of pages6
JournalRSC Advances
Volume10
Issue number26
DOIs
StatePublished - Apr 17 2020
Externally publishedYes

Funding

This research is funded by Start-up funds (HK) and NSF grants CHE-1565632 and CHE-1955161 (TLB). FH acknowledges support from the U.S. Department of Commerce through an MSE grant (70NANB17H299). Certain commercial materials, equipment, and instruments are identified in this work to describe the experimental procedure as completely as possible. In no case does such an identification imply a recommendation or endorsement by NIST, nor does it imply that the materials, equipment, or instrument identified are necessarily the best available for the purpose. This research is funded by Start-up funds (HK) and NSF grants CHE-1565632 and CHE-1955161 (TLB). FH acknowledges support from the U.S. Department of Commerce through an MSE grant (70NANB17H299). Certain commercial materials, equipment, and instruments are identied in this work to describe the experimental procedure as completely as possible. In no case does such an identication imply a recommendation or endorsement by NIST, nor does it imply that the materials, equipment, or instrument identied are necessarily the best available for the purpose.

FundersFunder number
National Science FoundationCHE-1955161, CHE-1565632, 1955161
National Institute of Standards and Technology
U.S. Department of Commerce
David O. McKay School of Education, Brigham Young University70NANB17H299

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