Results 31 to 40 of about 56,928 (308)

An experimental hut evaluation of Olyset nets against anopheline mosquitoes after seven years use in Tanzanian villages. [PDF]

open access: yes, 2008
BACKGROUND: Long-lasting insecticidal nets (LLINs) are advocated by WHO for protection against malaria. Of the three brands of LLINs currently approved by WHO, Olyset(R) is the only one currently granted full recommendation.
Mark Rowland   +29 more
core   +1 more source

Allium sativum, Rosmarinus officinalis, and Salvia officinalis Essential Oils: A Spiced Shield against Blowflies

open access: yesInsects, 2020
Blowflies are known vectors of many foodborne pathogens and unintentional human ingestion of maggots by meat consumption may lead to intestinal myiasis.
Stefano Bedini   +6 more
doaj   +1 more source

Isolation, characterisation and some synthesis studies on insecticidal natural products from Sri Lankan plants [PDF]

open access: yes, 1998
Four Sri Lankan plant species, Acronychia pedunculata (L.) Miq (Rutaceae), Pleurostylia opposita (Wall) Alston (Celastraceae), Alseodaphne semicarpifolia (Lauraceae) and Walsura piscidia Roxb.
Hemalal, Kirihettiliyanage Patrick   +1 more
core   +1 more source

The Chemistry and Pharmacology of Citrus Limonoids

open access: yesMolecules, 2016
Citrus limonoids (CLs) are a group of highly oxygenated terpenoid secondary metabolites found mostly in the seeds, fruits and peel tissues of citrus fruits such as lemons, limes, oranges, pumellos, grapefruits, bergamots, and mandarins.
Roberta Gualdani   +3 more
doaj   +1 more source

Efficacy of Eucalyptus citriodora and Syzygium aromaticum essential oil as insecticidal, antiovipositant, and fumigant against Callosobruchus maculatus F (Coleoptera: Bruchidae)

open access: yesJournal of Entomological and Acarological Research, 2023
Callosobruchus maculatus is the most pernicious pest of stored grain worldwide. Even though synthetic insecticides are commonly used to eliminate this insect pest, the negative effect of this pest management method on humans and the environment raises ...
Agus Kardinan   +4 more
doaj   +1 more source

How important is the angle of tilt in the WHO cone bioassay? [PDF]

open access: yes, 2016
The World Health Organization (WHO) cone bioassay plays an integral role in the evaluation of the efficacy of long-lasting insecticidal nets as well as insecticides used in indoor residual spraying.
Müller, Pie   +5 more
core   +1 more source

Chemical composition of essential oil in Piper nigrum from Nigeria and its bioactivity against stored-grain insects

open access: yesTạp chí Khoa học Đại học Huế: Khoa học Tự nhiên, 2023
Experiments were carried out on the essential oil (EO) and its bio-efficacy against rice weevil (Sitophilus oryzae) and cowpea seed beetle (Callosbruchus maculatus). The EO from Piper nigrum was extracted by using steam distillation.
Kehinde Adenike Oyewole   +2 more
doaj   +1 more source

Trends in the selection of insecticide resistance in Anopheles gambiae s.l. mosquitoes in northwest Tanzania during a community randomized trial of longlasting insecticidal nets and indoor residual spraying. [PDF]

open access: yes, 2014
Anopheles gambiae s.l. (Diptera: Culicidae) in Muleba, Tanzania has developed high levels of resistance to most insecticides currently advocated for malaria control. The kdr mutation has almost reached fixation in An. gambiae s.s. in Muleba.
Wright, A   +19 more
core   +1 more source

Germacrone Derivatives as new Insecticidal and Acaricidal Compounds: A Structure-Activity Relationship

open access: yesMolecules, 2019
Currently, the use of synthetic pesticides is the main method of plant protection applied in agri- and horticulture. However, its excessive use leads to the development of pesticide resistance, a contamination of the environment, toxicity to non-target ...
Alberto Galisteo Pretel   +7 more
doaj   +1 more source

Expression of melanin and insecticidal protein from Rhodotorula glutinis in Escherichia coli [PDF]

open access: yes, 2016
Both the salmon/red melanin and the insecticidal producing genes of Rhodotorula glutinis was successfully expressed in Escherichia coli using plasmid pZErO-1.
Glick, Bernard R., Oloke, Julius K.
core   +1 more source

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