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Study of UV‐shielding properties of novel porous hollow silica nanoparticle carriers for avermectin

Li, Zhu‐Zhu, Chen, Jian‐Feng, Liu, Fan, Liu, An‐Qi, Wang, Qing, Sun, Hai‐Yan, Wen, Li‐Xiong·2007·Pest Management Science

Abstract

The shielding protection given by self‐prepared porous hollow silica nanoparticles (PHSN) to pesticides from degradation by UV light was investigated using avermectin as a model pesticide. It was demonstrated that PHSN carriers with a shell thickness of ∼15 nm and a pore diameter of 4–5 nm have an encapsulation capacity of 625 g kg−1 for avermectin using a supercritical fluid loading method. PHSN carriers exhibited remarkable UV‐shielding properties for avermectin. This was affected by the intensity of UV light, the pH and the temperature of the release medium. Rises in UV intensity, pH and/or temperature reduced the UV protection of PHSN for avermectin. In addition, avermectin loaded into the inner core of the PHSN carriers was released slowly into the release medium for about 30 days following a typical sustained‐release pattern. It thus appears that PHSN carriers have a promising future in applications requiring sustained pesticide release. Copyright © 2007 Society of Chemical Industry

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Metadata

Authors
Li, Z., Chen, J., Liu, F., Liu, A., Wang, Q., Sun, H., & Wen, L.
Venue
Pest Management Science
Publisher
Wiley
Published
2006-12-18
Volume
63
Issue
3
Pages
241-246
ISSN
  • 1526-498X (ISSN-L)
  • 1526-4998
OpenAlex
W2024686949
Cited by
221
References
0
FWCI
0.24
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Study of UV‐shielding properties of novel porous hollow silica nanoparticle carriers for avermectin. https://app.cochat.ai/papers/10.1002/ps.1301
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Li, Z., Chen, J., Liu, F., Liu, A., Wang, Q., Sun, H., & Wen, L. (2007). Study of UV‐shielding properties of novel porous hollow silica nanoparticle carriers for avermectin. Pest Management Science. https://doi.org/10.1002/ps.1301

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