Comparative Study on the Resistance of Beta-Cypermethrin Nanoemulsion and Conventional Emulsion in .

Toxics

Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China.

Published: October 2023


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Article Abstract

Objective: This study aimed to compare the resistance rates of to beta-cypermethrin nanoemulsion and conventional emulsion and establish reference values via biochemical detection for conventional emulsion.

Methods: We conducted experiments using subcultured and applied the micro-drop method for treatment. Subsequently, the activity of metabolic enzymes was measured using spectrophotometry. Profile analysis was employed to study the resistance rates of beta-cypermethrin nanoemulsion and beta-cypermethrin emulsion.

Results: The regression equation for the relationship between generation and resistance factor in treated with beta-cypermethrin nanoemulsion was as follows: = 0.091 + 0.991, with an -value of 0.990 ( = 95.184, = 0.01 < 0.05). Similarly, the regression equation for treated with emulsion was = 0.376 + 1.051, with an -value of 0.993 ( = 141.094, = 0.007 < 0.05). The comparison of slopes between these two regression equations yielded an -value of 8.61, indicating a significant difference ( = 0.001 < 0.05).

Conclusion: Our findings suggest that the resistance factor in treated with beta-cypermethrin nanoemulsion differs from that treated with beta-cypermethrin emulsion. Specifically, the resistance factor of beta-cypermethrin nanoemulsion increased at a slower rate compared to beta-cypermethrin emulsion.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10611129PMC
http://dx.doi.org/10.3390/toxics11100834DOI Listing

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