Results 31 to 40 of about 48,373 (167)

The Chemistry and Pharmacology of Citrus Limonoids

Molecules, 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, Maria Maddalena Cavalluzzi, Giovanni Lentini, Solomon Habtemariam   +3 more
doaj   +1 more source

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

Tạp 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, Shola Hezekiah Awojide, Adeniyi Solomon Tayo   +2 more
doaj   +1 more source

Investigating mosquito net durability for malaria control in Tanzania - attrition, bioefficacy, chemistry, degradation and insecticide resistance (ABCDR): study protocol. [PDF]

, 2014
BACKGROUND: Long-Lasting Insecticidal Nets (LLINs) are one of the major malaria vector control tools, with most countries adopting free or subsidised universal coverage campaigns of populations at-risk from malaria.
Moore, Sarah J., Mageni, Zawadi D, Moore, Jason D, Lena M Lorenz, Mandike, R, William Kisinza, Sarah J Moore, Lorenz, Lena M, Zawadi D Mageni, Hans J Overgaard, Mandike, Renata, Moore, Sarah J, Karen Kramer, Overgaard, Hans, Massue, Dennis J., Lorenz, Lena M., John Bradley, Bradley, John, Overgaard, Hans J., Kisinza, William, Mageni, Zawadi D., Jason D Moore, Renata Mandike, Dennis J Massue, Overgaard, Hans J, Kramer, Karen, Massue, Dennis J, Moore, Jason D.   +27 more
core   +1 more source

Options and considerations for maintaining universal coverage and use of long-lasting insecticidal nets (LLIN) in sub-Saharan Africa [PDF]

, 2015
Malaria causes over 600,000 deaths annually, primarily among young children in sub-Saharan Africa. Long lasting insecticidal nets (LLIN) are the primary vector control measure to prevent malaria.
Koenker, Hannah
core   +1 more source

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

Molecules, 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, Helena Pérez del Pulgar, Estela Guerrero de León, José Luis López-Pérez, A. Sonia Olmeda, Azucena Gonzalez-Coloma, Alejandro F. Barrero, José Francisco Quílez del Moral   +7 more
doaj   +1 more source

Chemical compositions of essential oils from Melicope pteleifolia and their bioactivities against stored-product insects

International Journal of Food Properties, 2023
Melicope pteleifolia is a traditional Chinese medicinal plant that is thought to be developed as a biological insecticide. In this work, essential oils (EOs) of M.
Bo-Ya Li, Qiao-Hui Xie, Yu Zheng, Jia-Wei Zhang, Shuang Xu, Wang Dan, Du Shu-Shan   +6 more
doaj   +1 more source

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

, 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, Pie Müller, Owusu, Henry F., Henry F. Owusu   +3 more
core   +1 more source

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

, 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, Tungu, Patrick K, Maxwell Caroline, Robert C Malima, Malima, Robert C, Frank W Mosha, Sudi, Wema, Curtis Christopher F, Caroline Maxwell, Mwingira Victor, Tungu Patrick K, Stephen M Magesa, Rowland Mark, Frank S Magogo, Sudi Wema, Magesa, Stephen M, Curtis, Christopher F, Malima Robert C, Rowland, Mark, Christopher F Curtis, Mwingira, Victor, Patrick K Tungu, Maxwell, Caroline, Magogo Frank S, Mosha Frank W, Mosha, Frank W, Wema Sudi, Victor Mwingira, Magesa Stephen M, Magogo, Frank S   +29 more
core   +1 more source

Identification and Evaluations of Novel Insecticidal Proteins from Plants of the Class Polypodiopsida for Crop Protection against Key Lepidopteran Pests

Toxins, 2019
Various lepidopteran insects are responsible for major crop losses worldwide. Although crop plant varieties developed to express Bacillus thuringiensis (Bt) proteins are effective at controlling damage from key lepidopteran pests, some insect populations
Lu Liu, Eric Schepers, Amy Lum, Janet Rice, Nasser Yalpani, Ryan Gerber, Nuria Jiménez-Juárez, Fikru Haile, Alejandra Pascual, Jennifer Barry, Xiuli Qi, Adane Kassa, Matthew J. Heckert, Weiping Xie, Changkui Ding, Jarred Oral, Minh Nguyen, James Le, Lisa Procyk, Scott H. Diehn, Virginia C. Crane, Howard Damude, Carol Pilcher, Russ Booth, Lu Liu, Genhai Zhu, Timothy M. Nowatzki, Mark E. Nelson, Albert L. Lu, Gusui Wu   +29 more
doaj   +1 more source

Insecticidal investigation of Berberis Royleana various extracts against Callosobruchus Maculatus

Bioscientific Review, 2022
B. royleana is a rare species among Berberis, their root’s antiperiodic, antipyretic, and diaphoretic activity was said to be comparable to quinine. The shoot has antibacterial, anti-periodic, cardiovascular, hepatoprotective, and anti-cancer properties.
Muhammad Salman, Muhammad Rafique, MUDDASIR KHAN, Mr. Abdullah, Hayat Khan, Khalid Amin, Rooh ullah, Waqas Ashraf   +7 more
doaj   +1 more source