Results 31 to 40 of about 3,000 (175)

Commercial permethrin elicits chemoreceptive responses on different Anopheles gambiae sensory appendages

open access: yesPest Management Science, EarlyView.
Anopheles gambiae mosquitoes exhibit takeoff responses when presented to commercial permethrin headspace. This product elicits electrophysiological activity in the antennae and tarsi. However, only the chemical information acquired from the tarsi plays a major role in the observed behavioral response.
Sassan S Kambou   +4 more
wiley   +1 more source

DEET feet: Aedes aegypti mosquitoes use their tarsi to sense DEET on contact [PDF]

open access: yes, 2018
Summary DEET ( N , N -diethyl- meta -toluamide) is the most effective and broadly used insect repellent, but its mechanism of action is both complex and controversial [1].
Dennis, Emily Jane   +1 more
openaire   +1 more source

Multimodal targets of (‐)‐α‐thujone mediating avoidance behavior of a stored‐products pest, Tribolium castaneum, in response to irritant stimuli

open access: yesPest Management Science, EarlyView.
We identified four kinds of target molecules against (‐)‐α‐thujone associating avoidance behavior in Tribolium castaneum, indicating multimodality. Abstract BACKGROUND The reciprocal evolutionary processes among phytophagous insects and host plants involve host shift in the herbivorous insects in response to defense chemicals, such as plant‐derived ...
Kenji Shimomura   +4 more
wiley   +1 more source

Who’s afraid of DEET? Fearmongering in papers on botanical repellents

open access: yesMalaria Journal, 2020
DEET (N,N-Diethyl-meta-toluamide) is considered the gold standard in mosquito repellents, not only for its effectiveness, but also for its safety. DEET has been more extensively studied for safety than any other repellent, and is accepted as completely ...
Matan Shelomi
doaj   +1 more source

DEET‐cyclodextrin inclusion complexes for mosquito and tick repellency: Extended repellency time and no zebrafish embryotoxicity

open access: yesPest Management Science, EarlyView.
Hydroxypropyl‐β‐cyclodextrin (HPβCD)–N,N‐diethyl‐meta‐toluamide (DEET) complex extended tick repellency to 168 h. Full protection against Aedes aegypti for 7 h with HPβCD‐DEET. HPβCD reduced DEET release and skin retention significantly. No embryotoxicity observed below 325 mg L−1 in zebrafish model.
Gessyka Rayana Silva Pereira   +10 more
wiley   +1 more source

Transcriptional responses of Aedes aegypti chemosensory tissues in response to volatile DEET and citronella oil

open access: yesInsect Molecular Biology, EarlyView.
Aedes aegypti females were significantly repelled by both volatile DEET and citronella oil in comparison to control (ethanol‐exposed) mosquitoes. Global gene expression changes were largest in the mosquito mouthparts, with notable downregulation of the three subunits comprising the mosquito CO2 receptor (Gr1, 2 and 3).
Ivan Drahun   +3 more
wiley   +1 more source

Decarbonizing Insular Energy Systems: A Literature Review of Practical Strategies for Replacing Fossil Fuels with Renewable Energy Sources

open access: yesFuels
The reliance on fossil fuels for electricity production in insular regions creates critical environmental, economic, and logistical challenges, particularly for ecologically fragile islands.
Paul Arévalo   +4 more
doaj   +1 more source

Photodegradation of commercial insect repellents containing DEET and IR‐3535 under ultraviolet light associated or not with chemical ultraviolet filters evaluated by Raman spectroscopy

open access: yesPhotochemistry and Photobiology, EarlyView.
This study evaluated the photodegradation of commercial insect repellents containing DEET and IR‐3535 under UV‐A and UV‐B irradiation using Raman spectroscopy. Pure DEET and IR‐3535 showed intrinsic photostability, whereas DEET diluted in ethanol and a commercial DEET‐based formulation exhibited significant spectral changes after UV exposure.
Viviane Gadret Borio   +4 more
wiley   +1 more source

What is a Multi‐Ethnic Party and How to Spot a Fake One?

open access: yesSwiss Political Science Review, EarlyView.
Abstract Multi‐ethnic parties have been variously defined: as those which do not champion the interests of, or mobilize against, any specific ethnic group; as those with a recognisably cross‐communal leadership or membership; and as those which acquire some distribution of support across groups.
Jon Fraenkel
wiley   +1 more source

N,N-diethyl-meta-toluamide (DEET) exposure produces rapid and permanent damage in turfgrass

open access: yesEcotoxicology and Environmental Safety
Despite anecdotal evidence that suggests bug sprays containing N,N-diethyl-meta-toluamide (DEET) damage turfgrasses, there is minimal peer-reviewed research investigating this in detail.
Selena Qiao   +6 more
doaj   +1 more source

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