Results 61 to 70 of about 36,954 (221)

Cold EI—The Way to Improve GC‐MS and Increase Its Range of Applications

Mass Spectrometry Reviews, EarlyView.
ABSTRACT Gas chromatography‐mass spectrometry (GC‐MS) with Cold electron ionization (EI) is based on interfacing the GC and MS with a supersonic molecular beam (SMB) along with electron ionization of vibrationally cold sample compounds in the SMB in a contact‐free fly‐through ion source (hence the name Cold EI).
Aviv Amirav, Benny Neumark, Oneg Elkabets, Alex Yakovchuk   +3 more
wiley   +1 more source

Global trends in the production and use of DDT for control of malaria and other vector-borne diseases

Malaria Journal, 2017
Background DDT was among the initial persistent organic pollutants listed under the Stockholm Convention and continues to be used for control of malaria and other vector-borne diseases in accordance with its provisions on acceptable purposes.
Henk van den Berg, Gamini Manuweera, Flemming Konradsen   +2 more
doaj   +1 more source

Identification of Polychlorinated Biphenyls and DDT in Mixtures by Mass Spectrometry [PDF]

, 1970
O. Hutzinger, W. D. Jamieson, V. Žitko
openalex   +1 more source

Selectively Cleavable Silicone Elastomers Based on Acetal Cross‐Linkers: Synthesis, Properties, and Study of Chemical Degradation

Journal of Polymer Science, EarlyView.
A novel silicone elastomer based on selectively cleavable acetal cross‐linkers incorporated by hydrosilylation was developed. Different acetal cross‐linkers were synthesized and introduced into a silicone formulation of vinyl‐terminated PDMS and tetrakis(dimethylsiloxy)silane using Karstedt's catalyst.
Julian Beier, Bastian Hahn, Dennis Troegel, Dominik Söthje   +3 more
wiley   +1 more source

Developmental exposure to low doses of dichlorodiphenyltrichloroethane disrupts functional and morphologic maturation of the spleen in prepubertal rats

Russian Open Medical Journal
Dichlorodiphenyltrichloroethane (DDT) is a versatile persistent pollutant with endocrine disrupting properties and an alleged immune modulator. Objective — to evaluate the parameters of functional and morphological maturation of the spleen in prepubertal
Bella B. Gagulaeva, Nataliya V. Yaglova, Sergey S. Obernikhin, Ekaterina P. Timokhina   +3 more
doaj   +1 more source

Nonmalarial Infant Deaths and DDT Use for Malaria Control

Emerging Infectious Diseases, 2003
Although dichlorodiphenyl trichloroethane (DDT) is being banned worldwide, countries in sub-Saharan Africa have sought exemptions for malaria control. Few studies show illness in children from the use of DDT, and the possibility of risks to them from DDT
Aimin Chen, Walter J. Rogan
doaj   +1 more source

Pesticide use in integrated pest and pollinator management framework to protect pollinator health

Pest Management Science, Volume 81, Issue 4, Page 1691-1696, April 2025.
Integrated pest management (IPM) emphasizes non‐chemical methods, with pesticides as a last resort, while integrated pest and pollinator management (IPPM) integrates pollinator health into pest control strategies. Abstract Agricultural pesticides have historically been a critical tool in controlling pests and diseases, preventing widespread suffering ...
Ngoc T Phan, David J Biddinger, Edwin G Rajotte, Guy Smagghe, Gadi VP Reddy, Zong‐Xin Ren, Neelendra K Joshi   +6 more
wiley   +1 more source

Impacts of a Century‐Old Urban Dam on Water Quality and Habitat Composition, Flint River, Flint, MI

River Research and Applications, EarlyView.
ABSTRACT Dams significantly influence river ecosystems worldwide, fragmenting habitats, altering sediment transport, and reducing biodiversity. Urban rivers are especially vulnerable, where dams compound stressors such as channelization, pollution, and degraded riparian zones. In response, dam removals are a growing restoration tool globally.
Chloe J. Summers, Heather A. Dawson
wiley   +1 more source

Deciphering Interfacial Charge Transfer Phenomena at Nickel Nanocluster–Oxide Interface toward Augmented Efficacy in Electrochemical Water Splitting

Small Structures, EarlyView.
This work presents the design of nickel nanocluster–NiO nanosheet heterostructures as efficient bifunctional electrocatalysts for water splitting. By exploiting atomically precise nanoclusters rather than conventional polydisperse nanoparticles, the study establishes well‐defined interfacial sites that enhance charge transfer and optimize reaction ...
Tapu Raihan Gazi, Mrinal Kanti Sikdar, Pijush Sardar, Ahin Roy, Indranath Chakraborty   +4 more
wiley   +1 more source

Metabolic and target-site mechanisms combine to confer strong DDT resistance in Anopheles gambiae.

PLoS ONE, 2014
The development of resistance to insecticides has become a classic exemplar of evolution occurring within human time scales. In this study we demonstrate how resistance to DDT in the major African malaria vector Anopheles gambiae is a result of both ...
Sara N Mitchell, Daniel J Rigden, Andrew J Dowd, Fang Lu, Craig S Wilding, David Weetman, Samuel Dadzie, Adam M Jenkins, Kimberly Regna, Pelagie Boko, Luc Djogbenou, Marc A T Muskavitch, Hilary Ranson, Mark J I Paine, Olga Mayans, Martin J Donnelly   +15 more
doaj   +1 more source