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Academic literature on the topic 'Rodonticides anticoagulants'
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Journal articles on the topic "Rodonticides anticoagulants"
Nahas, Kamil. "Dosage de la bromadiolone (rodonticide anticoagulant) dans le plasma, le foie et le rein du rat." Journal of Chromatography A 369 (January 1986): 445–48. http://dx.doi.org/10.1016/s0021-9673(00)90156-0.
Full textDissertations / Theses on the topic "Rodonticides anticoagulants"
Rached, Antoine. "Exploration des pistes de gestion du risque écotoxicologique associé aux anticoagulants antivitamine K utilisés comme rodonticides." Electronic Thesis or Diss., Lyon, 2022. http://www.theses.fr/2022LYSE1077.
Full textVitamin K antagonists (VKA) are currently the most effective chemical control of rodent infestations in rural and urban areas. To ensure a lethal effect, first-generation VKA must be ingested in multiple doses over several consecutive days. However, this chronic consumption was responsible for the development of resistance to these molecules in certain populations of commensal rodents, making them less effective. A second generation of anticoagulant rodenticides was developed to overcome this resistance. This generation is more potent (lower concentration of VKA to induce mortality) and has a longer duration of action (longer persistence in the target organ). The intoxication of non-target animals is the main drawback of the second generation. Indeed, direct access to the toxic bait and the consumption of poisoned prey can lead to exposure of non-target fauna. In order to reduce this ecotoxicological risk of rodenticide anticoagulants, some solutions have been considered such as the reduction of bait concentration and the use of VKA isomers (stereochemistry) which have already demonstrated short tissue retention time with an efficiency similar to VKA rodenticide molecules currently available on the market. The main objective of this thesis work is to explore these possibilities for managing this risk. First, we studied the relevance of the benefits of stereochemistry in the control of different species of rodent pests including rats, mice and water voles and in both male and female species. In a second phase, we compared the evolution of VKA residues in male rats after administration of either a low or a high dose of VKA in order to explore the effect of reducing the concentration of VKA baits on the residues remaining in the liver. These management approaches have been shown to reduce the residues of VKA, which are responsible for the intoxication of non-target species through the consumption of poisoned prey
Montagut-Romans, Adrien. "Réactivité et pharmacomodulation de la 4-hydroxycoumarine : conception, synthèse et évaluation biologique de nouvelles molécules rodonticides éco-compatibles." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10028.
Full textTo reduce the ecological impact of pesticides in UE many new legislations were put in place, in other hand, most of secondary intoxications of rodent's predators are due to rodenticides available on the market. That why it’s crucial to find alternative rodenticide more eco-friendly. This work describes optimization of new coumarinics compounds synthesis and their biological studies. The new anticoagulant should be active on wild and mutant rat, and must have a low hepatic persistence in the rat body. Organic syntheses were driven with biological studies and have converged to discover the lead. Three different new molecular tools were optimized and have allowed the synthesis and the evaluation of a large number of candidates. The first two through homogeneous catalysis by using micro-waves have reduced the time needed for the alkylation of 4-hydroxycoumarin on the carbon 3. The third methodology allows the synthesis of same kind of compounds in large scale. This methodology opens news potentials reactions to add structural diversity. All the molecules were evaluated in vitro on different types of VKORC1 and have participated to a better understanding of the enzyme/inhibitor interactions. After this first evaluation, in vivo tests were performed on a selection of candidates, and have brought a crucial structural relationship between structure and in vivo persistence/activity. The best compound produced by now seems to answer at all specifications established linked to the single-feeding strategy. Multiple-feeding strategy is today planned to better correspond to the field reality. On the base of this one the number of candidates usable as rodenticides is increased
Boulven, Manon. "Conception, synthèse et évaluation biologique de nouveaux composés hétérocycliques anticoagulants à usage rodonticide." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEI106.
Full textTo date, commercial anticoagulants suffer from two major inconveniences: their persistence causing secondary poisoning of rodent predators and the development of many genetic mutations caused by the intensive use of these compounds. As a result, the European Union plans to prohibit the use of such compounds. Consequently, the priority task is to find an anticoagulant that can control the rodent populations without affecting their predators. The research of Dr. Adrien Montagut (PhD, 2011-2014) have led to the structure type of an anticoagulant derived from 4-hydroxycoumarin. Currently, AMR361 was tested in vitro on all VKORC1 mutations and in vivo on wild rats. It is the first AVK developed that responds to all the characteristics of the initial specification. The first part of my PhD was to complete the biological study on 4-hydroxycoumarin core by bringing functional diversity on the para position of the aromatic ring. From a biological point of view, the lengthening of the spacer arm on the side chain by use of various functions or the introduction of a dimethyl group on the methylene bridge were studied in order to analyze the effectiveness and persistence parameters. However, most of the synthesized compounds belonging to the family of 4-hydroxycoumarins are already described in a patent filed by Liphatech company in 1999. The study of new cores which are similar to the 4-hydroxycoumarin or the functionalization of the aromatic part of the 4-hydroxycoumarin has provided access to more diverse structures. These original possibilities for innovation have been introduced to circumvent existing patents
Nahas, Kamil. "Cinétique et métabolisme de la bromadiolone, rodonticide anticoagulant, chez Rattus norvegicus, souche sauvage." Lyon 1, 1987. http://www.theses.fr/1987LYO1T028.
Full textNahas, Kamil. "Cinétique et métabolisme de la bromadiolone, rodonticide anticoagulant, chez Rattus norvegicus, souche sauvage." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37608317v.
Full textMorin, Marie-Françoise. "Etude de l'impact sur le milieu naturel de la bromadiolone, rodonticide anticoagulant : évolution en milieu aqueux et bioaccumulation sur des organismes terrestres et aquatiques." Poitiers, 1988. http://www.theses.fr/1988POIT2315.
Full textMorin, Marie-Françoise. "Etude de l'impact sur le milieu naturel de la bromadiolone, rodonticide anticoagulant évolution en milieu aqueux et bioaccumulation sur des organismes terrestres et aquatiques /." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb376166747.
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