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ACS News Service Weekly PressPac: June 02, 2021

‘Greener’ pesticides

Pesticides are important for increasing crop production and reducing insect-borne diseases, but many have harmful effects on the environment. Below are some recent papers published in ACS journals that report new approaches to safer, more environmentally friendly pesticides. 

“Chimeric Double-Stranded RNAs Could Act as Tailor-Made Pesticides for Controlling Storage Insects”
Journal of Agricultural and Food Chemistry
May 26, 2021
A double-stranded RNA triggers the destruction of two storage insect pests, the lesser grain borer and the German cockroach, while being harmless to non-target insects.

“Development and Characterization of Pyriproxyfen-Loaded Nanoemulsion for Housefly Control: Improving Activity, Reducing Toxicity, and Protecting Ecological Environment”
ACS Sustainable Chemistry & Engineering
March 26, 2021
A pesticide nanoemulsion for housefly control has higher insecticidal activity and lower toxicity to humans and earthworms than conventional emulsions.

“Facile, Smart, and Degradable Metal–Organic Framework Nanopesticides Gated with FeIII-Tannic Acid Networks in Response to Seven Biological and Environmental Stimuli”
ACS Applied Materials & Interfaces
April 15, 2021
Degradable metal-organic framework (known as MOF) nanopesticides release encapsulated pesticides only when triggered by certain biological or environmental stimuli, such as acidity or sunlight.

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