Results 81 to 90 of about 56,149 (267)

Statement on the available outcomes of the human health assessment in the context of the pesticides peer review of the active substance chlorpyrifos

EFSA Journal, 2019
In July 2019, the European Commission asked EFSA to provide a statement on the available outcomes of the human health assessment in the context of the pesticides peer review for the renewal of approval of the active substance chlorpyrifos conducted in ...
European Food Safety Authority (EFSA)
doaj   +1 more source

Effect of large-scale social marketing of insecticide-treated nets on child survival in rural Tanzania.

, 2001
BACKGROUND: Insecticide-treated nets have proven efficacy as a malaria-control tool in Africa. However, the transition from efficacy to effectiveness cannot be taken for granted.
Abdulla, S, Kikumbih, N, Oscar Mukasa, Schellenberg, JR, Haji Mponda, Salim Abdulla, Christian Lengeler, Nathan, R, Marchant, TJ, Lengeler, C, Minja, H, Mukasa, O, Mshinda, H, Joanna RM Armstrong Schellenberg, Marcel Tanner, Hassan Mshinda, Tanner, M, Adiel K Mushi, Happiness Minja, Mushi, AK, Rose Nathan, Mponda, H, Tanya J Marchant, Nassor Kikumbih   +23 more
core   +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

Monosubstituted N‐Arylhydroxylamine Chemistry: Integrating Contemporary Synthetic Approaches for the Efficient Construction of Diverse Heterocyclic Scaffolds

Chemistry – A European Journal, EarlyView.
Monosubstituted N‐arylhydroxylamines represent a unique subclass of hydroxylamines that act as pivotal intermediates in redox transformations and as versatile platforms for further synthetic transformations. They serve as key building blocks in the synthesis of architecturally complex heterocycles and other valuable organic compounds.
Michael G. Kallitsakis, Kyriakos D. Nikopoulos, Ioannis N. Lykakis   +2 more
wiley   +1 more source

Sublethal effects of some botanical and chemical insecticides on the cotton whitefly, Bemisia tabaci (Hem: Aleyrodidae) [PDF]

Arthropods, 2014
In addition to direct mortalities caused by acute concentrations of insecticides, some biological traits of target pests may be also affected by sublethal doses.
Fatemeh Jafarbeigi, Mohammad Amin Samih, Mahdi Zarabi, et al.   +2 more
doaj  

Review of the existing maximum residue levels for spiromesifen according to Article 12 of Regulation (EC) No 396/2005

EFSA Journal, 2019
According to Article 12 of Regulation (EC) No 396/2005, EFSA has reviewed the maximum residue levels (MRLs) currently established at European level for the pesticide active substance spiromesifen.
European Food Safety Authority (EFSA), Himdata Abdourahime, Maria Anastassiadou, Alba Brancato, Daniela Brocca, Luis Carrasco Cabrera, Chloe De Lentdecker, Lucien Ferreira, Luna Greco, Samira Jarrah, Dimitra Kardassi, Renata Leuschner, Alfonso Lostia, Christopher Lythgo, Paula Medina, Ileana Miron, Tunde Molnar, Stefanie Nave, Ragnor Pedersen, Marianna Raczyk, Hermine Reich, Silvia Ruocco, Angela Sacchi, Miguel Santos, Alois Stanek, Juergen Sturma, Jose Tarazona, Anne Theobald, Benedicte Vagenende, Alessia Verani, Laura Villamar‐Bouza   +30 more
doaj   +1 more source

Accidental organophosphate poisoning: A case series of 2 pediatric coumaphos exposures

Journal of the American College of Emergency Physicians Open, 2022
Introduction Pediatric organophosphate insecticide poisonings are rare in the United States, and life‐threatening toxicity is rarely seen. We report 2 accidental ingestions of the organophosphate insecticide coumaphos that resulted in life‐threatening ...
Justin A. Seltzer, Sarah Friedland, Nathan A. Friedman, Garret A. Winkler, Emily Foreman, Yousef Al Mubarak, Brent Buccine, Branden Engorn, Allyson Kreshak, Alicia Minns, Christian A. Tomaszewski, Daniel R. Lasoff, Richard F. Clark   +12 more
doaj   +1 more source

Innovative electrospun geopolymer/zeolite/PVA composite membranes

The Canadian Journal of Chemical Engineering, EarlyView.
Proposed scheme of gas adsorption mechanisms on electrospun geopolymer/zeolite/PVA composite membranes. Abstract Innovative electrospun poly(vinyl alcohol) (PVA)–geopolymer–zeolite 13X composite membranes were successfully fabricated and systematically characterized.
Mariana Schneider, Mar Calzado‐Delgado, Enrique Rodríguez‐Castellón, Maria Olga Guerrero‐Pérez, Dachamir Hotza, Agenor De Noni Junior, Adel Zrelli, Regina de Fátima Peralta Muniz Moreira   +7 more
wiley   +1 more source

Inequalities in purchase of mosquito nets and willingness to pay for insecticide-treated nets in Nigeria: Challenges for malaria control interventions [PDF]

, 2004
Objective: To explore the equity implications of insecticide-treated nets (ITN) distribution programmes that are based on user charges. Methods: A questionnaire was used to collect information on previous purchase of untreated nets and hypothetical ...
Hanson, K, Hanson, Kara, Fox-Rushby, Julia, Fox-Rushby Julia, Fox-Rushby, J, Julia Fox-Rushby, Onwujekwe, Obinna, Kara Hanson, Hanson Kara, Onwujekwe Obinna, Obinna Onwujekwe, Onwujekwe, O   +11 more
core   +1 more source

Perceived importance and didactic difficulty of chemistry education: Insights from Czech teachers

The Curriculum Journal, EarlyView.
Abstract This empirical study examines how chemistry teachers in lower and upper secondary schools in the Czech Republic evaluate the content of the chemistry curriculum, focussing on its perceived importance and didactic difficulty. Based on a quantitative survey (N = 146), the study provides insight into the pedagogical content knowledge of ...
Jitka Lorenzová, Blanka Jirkovská, Martin Čapek Adamec, Jan Havlík, Petr Holzhauser, Daniela Nováková, Karel Němejc   +6 more
wiley   +1 more source