ROY crystallization on poly(ethylene) fibers, a model for bed net crystallography

0585681 - FZÚ 2025 RIV US eng J - Journal Article
Erriah, B. - Shtukenberg, A. G. - Aronin, R. - McCarthy, D. - Brázda, Petr - Ward, M. D. - Kahr, B.
ROY crystallization on poly(ethylene) fibers, a model for bed net crystallography.
Chemistry of Materials. Roč. 36, č. 5 (2024), s. 2432-2440. ISSN 0897-4756. E-ISSN 1520-5002
R&D Projects: GA ČR(CZ) GX21-05926X; GA MŠMT LM2018110; GA MŠMT(CZ) EF16_019/0000760
Grant - others:OP VVV - SOLID21(XE) CZ.02.1.01/0.0/0.0/16_019/0000760
Institutional support: RVO:68378271
Keywords : crystallization * crystals * diffusion * fibers * insecticides
OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
Impact factor: 8.6, year: 2022
Method of publishing: Open access

Many long-lasting insecticidal bed nets for protection against disease vectors consist of poly(ethylene) fibers in which insecticide is incorporated during manufacture. Insecticide molecules diffuse from within the supersaturated polymers to surfaces where they become bioavailable to insects and often crystallize, a process known as blooming. Recent studies revealed that contact insecticides can be highly polymorphic. Moreover, insecticidal activity is polymorph-dependent, with forms having a higher crystal free energy yielding faster insect knockdown and mortality. Consequently, the crystallographic characterization of insecticide crystals that form on fibers is critical to understanding net function and improving net performance.
Permanent Link: https://hdl.handle.net/11104/0353369