35 results about "Cypermethrin" patented technology

The invention provides a composition for luring bactrocera cucurbitae and application thereof, and relates to the technical field of green prevention and control of agricultural pests. The composition comprises the following active ingredients in percentage by weight: 10% of muscovone, 0.1% of heptanal and 0.1% of hexene. The main components of the composition all come from natural plant volatile matters, and the composition is easy to degrade in the natural environment, has no residual risk and is friendly to the ecological environment. Meanwhile, the composition has high safety to bees, pollination insects and other non-target organisms, and ecological side effects possibly brought by traditional chemical attractants are effectively avoided. According to the implementation of the method, an efficient and specific tool is provided for field monitoring of bactrocera cucurbitae populations, the occurrence dynamic of the bactrocera cucurbitae can be accurately mastered, the early warning capability is improved, a new technical path and an implementation basis are provided for promoting green comprehensive treatment of the bactrocera cucurbitae, and the method has good popularization and application prospects.

This invention discloses an anaerobic biodegradable masterbatch for cast film of sanitary materials, characterized in that its main components, by mass percentage, include: 0.5-3% cypermethrin, 3-6% copper sulfate, 0.1-0.5% metal inorganic salt coating agent, 1-4% ammonium molybdate, 5-10% PLA, 5-10% nano starch, 1-5% carbamide, 7-12% fumed silica, and the balance being a biodegradable resin carrier. The preparation method includes dispersion treatment, centering treatment, structuring treatment, carrier implantation, and plasticizing granulation. The invention also discloses an anaerobic biodegradable cast film for sanitary materials, comprising the following components by mass percentage: 83.4%-97.13% PE-based cast film substrate for sanitary materials, 1-5% PE wax, 1-7.5% degradation masterbatch, 0.15-0.3% dispersant, 0.02-0.2% antioxidant, 0.2-0.6% white oil, 0.5-3% PE grafted maleic anhydride, and 0.2-2% stabilizer. The manufacturing method includes: material preparation, calcium carbonate pretreatment, melting, filtration, and casting. This invention achieves complete anaerobic biodegradation of PE cast leak-proof and breathable films, and also has antibacterial properties during normal use, making it suitable as a breathable film and base film for disposable sanitary materials.

The invention discloses a killing composition for averrhoa carambola anoplophora chinensis, and belongs to the technical field of agricultural insect pest killing. The killing composition comprises the following effective components: dichlorvos, cypermethrin and thiotraniliprole, and the concentration of each effective component is as follows: the concentration of the dichlorvos is 0.1-2.5 g / L; the concentration of the cypermethrin is 0.005 to 0.1 g / L; the concentration of the thiotraniliprole is 0.1 g / L to 2 g / L. When the pesticide is used for killing carambola anoplophora chinensis larvae, the concentrations of the effective components are as follows: the concentration of dichlorvos is 1g / L; the concentration of the cypermethrin is 0.04 g / L; the concentration of the thiotraniliprole is 0.8 g / L; when the pesticide is used for killing adult averrhoa carambola anoplophora chinensis, the concentrations of the effective components are as follows: the concentration of dichlorvos is 0.5 g / L; the concentration of the cypermethrin is 0.04 g / L; the concentration of the thiotraniliprole is 0.4 g / L. The composition disclosed by the invention consists of dichlorvos, cypermethrin and thiotraniliprole, and has a relatively good effect on killing larvae and adults of averrhoa carambola anoplophora.

This invention provides an extract of *Hedyotis diffusa*, its preparation method, and its uses. When the extract is measured under reversed-phase high-performance liquid chromatography, the peak area A of 6''-malonyl *Hedyotis diffusa* I is... M Peak area A with cypermethrin I B The ratio is less than 0.1, and the peak area A of free kaempferol is... K With A B The ratio shall not exceed 0.15. The preparation method includes: adjusting the pH of the aqueous extract of *Kaempferia galanga* to 11-13.5, and performing alkaline hydrolysis at 25-65°C for 20-60 minutes. This invention utilizes the difference in stability of malonyl bonds and glycosidic bonds under alkaline conditions to achieve the selective conversion of 6''-malonylkaempferol I to kaempferol I, increasing the content of kaempferol I while maintaining the integrity of the glycosidic bonds and inhibiting or controlling the formation of free kaempferol. The resulting extract can be used to prepare anti-inflammatory and antioxidant drugs or health foods.

The present invention belongs to the technical field of pesticides, and specifically relates to an insecticidal composition containing 4-(trifluoromethyl)nicotinamide, and an application thereof. The insecticidal composition includes an active ingredient A and an active ingredient B, wherein the active ingredient A is 4-(trifluoromethyl)nicotinamide, and the active ingredient B is selected from one or more of the following compounds: afidopyropen, formula (I), dimpropyridaz, formula (II), isoflualanam, fipronil, imidacloprid, thiamethoxam, avermectin, acephate and beta-cypermethrin. The composition has features such as reasonable components, good insecticidal effect, low administration cost, reduced application amount, crop safety, and reduced residue.

The application discloses a pesticide detection method for rice based on QuEChERS and ultraviolet-visible spectrophotometry, and takes three pesticides, i.e., bensulfuron-methyl, propanil and cypermethrin, as examples to carry out research on a rapid screening method for multiple pesticide residues in rice. The improved QuEChERS method is used to process rice to obtain a matrix liquid, matrix standard solution and solvent standard solution are prepared, the quantitative linear range of each pesticide and the matrix effect are obtained. In the quantitative concentration range, mixed solutions of the three pesticides in four combinations are prepared, the types of the pesticides in the rice are determined through support vector machine qualitative analysis, and the concentrations of the pesticides are predicted through partial least squares regression analysis, so that the pesticide residues in the rice can be effectively and rapidly detected.

The invention belongs to the technical field of pesticide residue detection, and particularly relates to a method for detecting pyrethroid pesticide residues in agricultural products, which comprises the following steps: firstly synthesizing Ta-CsPbBr3 quantum dots, carrying out double-layer coating on the surfaces of the quantum dots by using ZnS and SiO2, then carrying out amination treatment on the surfaces of the Ta-CsPbBr3 (at) ZnS (at) SiO2 quantum dots, and by using toluene-2, 4-diisocyanate as a linking agent, carrying out double-layer coating on the surfaces of the quantum dots, thus obtaining the pyrethroid pesticide residues in the agricultural products. The preparation method comprises the following steps: bridging sulfobutyl ether-beta-cyclodextrin to the surface of SiO2, so as to prepare the Ta-CsPbBr3 (at) ZnS (at) SiO2-SBE-beta-CD composite material. According to the working electrode constructed by the Ta-CsPbBr3 (at) ZnS (at) SiO2-SBE-beta-CD composite material, the sensitivity and the accuracy of detecting cypermethrin residues in agricultural products are remarkably improved.

The invention belongs to the technical field of environmental sanitation and disinfection, and particularly relates to application of a smoke insecticide containing 5% cypermethrin in preparation of a medicine and a method for disinfecting a scabies environment. The smoke insecticide forms a smoke agent at high temperature, effectively diffuses in a closed space and kills sarcoptic mites, and has the advantages of high efficiency, low toxicity, simplicity and convenience in operation, low cost and the like. The method is especially suitable for crowded places, such as nursing homes and schools, can effectively prevent and control the outbreak and spread of scabies, and guarantees the public health safety.

This invention relates to the field of chemical technology, specifically to a synthesis apparatus for a cyclohexane intermediate, comprising a protective shell, a reaction vessel housed within the protective shell, a piston disc slidably mounted on the top of the reaction vessel, a hydraulic lifting device mounted on the top of the protective shell, the bottom end of the hydraulic lifting device being fixedly connected to the piston disc, a sleeve for heating or cooling the reaction vessel surrounding the reaction vessel, a cooling unit and a heating unit respectively mounted on opposite sides of the protective shell, the cooling unit and the heating unit being connected to the sleeve, a first control unit and a second control unit symmetrically mounted inside the top of the protective shell, the first control unit and the second control unit respectively controlling the switching on and off of the heating unit and the cooling unit; the lifting and lowering of the piston disc is related to the pressure value of the pressure gauge, the piston disc descending controls the opening of the heating unit via the first control unit, and the piston disc rising controls the opening of the cooling unit via the second control unit.

The invention relates to the technical field of biological medicine, in particular to a pharmaceutical composition for preventing or relieving sperm motor dysfunction caused by fenvalerate, and the pharmaceutical composition comprises N-acetylcysteine and / or cyclosporin A. Based on the discovery that fenvalerate induces rise of reactive oxygen species (ROS) to cause mitochondrial dysfunction and destroy a cAMP / PKA signaling pathway so as to inhibit sperm motility and induce mitochondrial apoptosis. An in-vitro rat sperm model proves that NAC and CsA can effectively reverse sperm motility reduction, ATP / cAMP level reduction, mitochondrial membrane potential dissipation and cell apoptosis caused by fenvalerate. The invention provides a new prevention and treatment strategy for treating male reproductive function damage caused by exposure of pyrethroid pesticides.

The application discloses a nucleic acid aptamer specifically combined with bromocyclen and chlorocyclen, and a screening method and application thereof. The nucleic acid aptamer is named seq-8, and the nucleotide sequence is shown as SEQ ID NO. 1. The application takes bromocyclen and chlorocyclen as targets, and obtains the bromocyclen and chlorocyclen specific aptamer seq-8 through a non-immobilized Capture-SELEX technology. On the basis, a 29 bp nucleic acid aptamer 8-cut is obtained by truncation. The nucleic acid aptamer 8-cut has high affinity to bromocyclen and chlorocyclen, and the Kd values are 0.1394 nM and 0.2974 nM respectively. The aptamer provided by the application has high specific binding capacity to the two kinds of pesticides, and provides an important technical basis for rapid and nondestructive detection of bromocyclen and chlorocyclen in horticultural crops.

The present application relates to the technical field of pesticides, and aims to solve the problem of how to improve the insecticidal effect of high-efficiency cypermethrin on aphids resistant to the pesticide, and discloses an active oxygen responsive nano-piperonyl butoxide synergist compound and application thereof in synergizing the control effect of high-efficiency cypermethrin on aphids. The active oxygen responsive nano-piperonyl butoxide synergist compound is composed of PLGA-TK-PEG and piperonyl butoxide loaded therein. Compared with free piperonyl butoxide, the active oxygen responsive nano-piperonyl butoxide synergist has the following advantages: rapid-acting property is enhanced, stability is greatly improved, can be released in response to ROS, has super-high resistance reversal capability, and the synergistic effect with high-efficiency cypermethrin is up to 54.22, and the 7-day control effect on resistant aphids is increased from 61.38% of free PBO treatment to 84.06%. Moreover, the active oxygen responsive nano-piperonyl butoxide synergist can be targetedly delivered, the carrier is biodegradable, PBO is released on demand, and the use amount and environmental residue can be reduced.

A pesticidal emulsifiable concentrate with widened spectrum of action on plurality of pest insects comprising bio-effective synergistic amount of Dimethoate active content particularly in an amount ranging from 15% to 25% weight percent ratio and Cypermethrin active content particularly in an amount ranging from 1.0 % to 10.0% weight percent ratio with respect to the said emulsifiable concentrate, along with particular agriculturally acceptable adjuvants in particular amounts. The present invention is also related to a process for the preparation of said synergistic Emulsifiable concentrate composition and in further use having significant broad agrochemical utility in many crops, without causing phytotoxic damage to any part of the plant, non-toxic and environmentally harmonious &. safe to natural enemies.

The invention relates to application of cypermethrin in prevention and control of monochamus alternatus and interception of propagation of pine wood nematodes. According to the implementation method in the application, the cypermethrin emulsion in water is mainly sprayed to the tail section of withered and dead wood, and the cypermethrin emulsion in water can also be sprayed to branches of a host pinus massoniana in an auxiliary mode. Cypermethrin not only can effectively kill monochamus alternatus larvae in pine wood, inhibit the development of the larvae and eclosion of the monochamus alternatus larvae and block the propagation and diffusion path of pine wood nematode diseases, but also has potential application value in the aspect of treatment of epidemic wood in epidemic disease areas.

The application belongs to the technical field of land pesticide residue degradation, and particularly relates to a preparation for reducing pesticide residues and application of cladophora in reducing pesticide residues. Scenedesmus obliquus It is found that the cladophora can effectively degrade four typical pesticides of atrazine, thiamethoxam, cypermethrin and nicosulfuron, has wide applicable temperature (such as 5 DEG C to 30 DEG C), short action time, high safety and low cost.

The present invention relates to uses and methods for combating or controlling mosquitoes, by applying a mixture comprising alpha-cypermethrin and dinotefuran. The mixture is applied in a weight ratio of from 500:1 to 1:500 to said mosquitoes, their habitat, breeding grounds or inside or around human habitation buildings, preferably by spraying an aqueous spray solution.

The present disclosures present an insecticidal composition comprising a combination of active ingredients, Emamectin benzoate, Cypermethrin and Cartap hydrochloride, and methods of preparing and using such compositions. The present disclosure aims to provide enhanced control of a variety of insect pests affecting crops, with a synergistic effect that improves efficacy compared to individual components.

The invention relates to a microencapsulated insecticidal seed dressing or soil disinfectant composition comprising a pyrethroid - typically Tefluthrin or Cypermethrin - as an active ingredient, which has a germination-promoting effect due to the wall and its excipients, and the capsule wall degrades under the influence of the microbiological system of the soil and does not form microplastics.

This invention provides a compound herbicidal composition comprising mesotrione, atrazine, and cypermethrin, which is prepared as a suspension concentrate. By using specific adjuvants, it solves the problems of decomposition of mesotrione and cypermethrin, and crystallization of atrazine. The product is stable for a long time, has a long shelf life, and can also broaden the herbicidal spectrum and improve the herbicidal effect. It can solve the problem of weed resistance to mesotrione single agent and binary compound products.

The present invention relates to a novel synergistic insecticidal composition comprising a first active ingredient as Chlorantraniliprole, a second active ingredient as Alpha-Cypermethrin and one or more agronomically salts thereof. The present invention further provides a formulation comprising active ingredients Chlorantraniliprole, Alpha-Cypermethrin and one or more agronomically acceptable excipient(s) and process for preparation thereof. The synergistic insecticidal composition is environment friendly and has application in agriculture against a broad spectrum of insect-pests and insecticidal resistance management.

The invention belongs to the technical field of pesticide chemistry, and provides a thioether compound containing pentafluorobenzene and pyrrole as well as a preparation method and application of the thioether compound. According to the thioether compound, pentafluorobenzene and pyrrole are used as main ring structures, so that the thioether compound has an excellent insecticidal effect, and especially has an excellent killing effect on mosquitoes. Meanwhile, the thioether compound disclosed by the invention broadens the structure of the insecticide and provides more options for the selection of the insecticide. For pests with drug resistance to cypermethrin, the thioether compound provided by the invention has an excellent killing effect on the pests within a long period of time in the future. The data of the embodiment shows that the half lethal concentration LC50 of the thioether compound provided by the invention on adult mosquitoes is 0.01551 mg / L to 0.39811 mg / L.

The invention relates to the field of biological detection and toxicological evaluation, and discloses an in-vitro detection method for screening or evaluating sperm motility toxicity of a compound. The method is realized by detecting a group of specific biomarkers in mammalian sperm treated by a tested compound, and the marker combination comprises a phosphoserine / threonine PKA substrate level, an AKAP3 protein level and an AKAP4 protein level. Researches show that environmental toxin fenvalerate can specifically reduce the levels of the markers by destroying cAMP / PKA signal channel, so that sperm motility is reduced. Through quantitative analysis of changes of the markers, whether a tested compound has a similar sperm direct toxicity effect or not can be specifically and efficiently evaluated, and a new tool is provided for chemical safety evaluation and male infertility pathogenesis diagnosis.

The present invention relates to uses and methods for combating or controlling bed bugs, by applying a mixture comprising alpha-cypermethrin and dinotefuran. The mixture is applied in a weight ratio of from 500:1 to 1:500 to said bed bugs, their habitat, breeding grounds or inside human habitation buildings. The treatment is done preferably in the bedroom, preferably to the bed or parts thereof, or to upholstered furniture.

The invention relates to the field of environmental toxicology and developmental biology, in particular to a reproductive development toxicity evaluation method based on plastic greenhouse pesticide combined contamination. The combined action toxicity of beta-cypermethrin and emamectin benzoate is systematically evaluated from multiple dimensions of hormone level, ovarian tissue structure, placenta function, progeny development, cell viability and mitochondrial state through the design of combining an in-vivo model and in-vitro cell verification, and the potential hazard mechanism of beta-cypermethrin and emamectin benzoate in the reproductive development process is disclosed. Therefore, a scientific basis is provided for pesticide toxicology risk assessment and safety limit value formulation.

The invention belongs to the technical field of animal model building methods, and particularly relates to a method for building a prostatic cancer animal model. Comprising the following steps: preparing prostate tumor cell suspension; preparing a male healthy BALB / c mouse; the male healthy BALB / c mice are firstly fed with the induction feed; wherein the formula of the induction feed is as follows: 1 kg of basal feed, 15 mg-25 mg of beta-cypermethrin and 50 mg-100 mg of manganese sulfate; inoculating a tumor cell suspension; and continuing to feed with the induction feed until tumor blocks are formed, and successfully constructing the prostate cancer animal model. According to the prostate cancer animal model establishing method, the process of inhibiting tumor blocks through an operation is not needed, a simpler injection method and a feeding method are combined, and the modeling success rate is increased.

The invention discloses application of a flavonoid compound in preparation of a lipid metabolism regulation preparation, and belongs to the technical field of biological medicine. The invention discloses an application of a flavonoid compound in preparation of a lipid metabolism regulation preparation. The flavonoid compound is amentoflavone, herba lycopi flavone, isofulvic alcohol, sub-glycoside chalcone, sophora japonica flavanone G or silver forging glycoside. The flavonoid compound disclosed by the invention can improve diseases related to lipid metabolism by inhibiting lipid accumulation. And the compound has the advantages of good safety, simple preparation process, high synthesis yield and the like, so that the compound has a good application prospect.

The invention discloses a lyotropic liquid crystal nanoparticle, a nano pesticide and application of the lyotropic liquid crystal nanoparticle and the nano pesticide. Mixing glycerol monooleate, oleic acid and the polyoxyethylene polyoxypropylene ether triblock copolymer, and heating to obtain a blend; and adding a buffer solution into the blend, homogenizing, adjusting the pH value, and standing to obtain the lyotropic liquid crystal nanoparticles. The nano pesticide is obtained by taking lyotropic liquid crystal as a carrier and loading an insecticide S-fenvalerate. The lyotropic liquid crystal is prepared from glycerol monooleate, oleic acid and polyoxyethylene polyoxypropylene ether triblock copolymer through self-assembly, hydrophilic groups and hydrophobic groups are contained between layers of the lyotropic liquid crystal, and the lyotropic liquid crystal can be combined with an insecticide containing the hydrophilic groups or the hydrophobic groups, so that the nano pesticide is obtained by loading the insecticide. The prepared nano pesticide has excellent wettability and stability, and the lyotropic liquid crystal serves as a novel pesticide carrier, so that a new way is provided for research of the nano pesticide.

This invention discloses the application of a compound combination of cypermethrin and Metarhizium anisopliae for the control of the tea leaf beetle. To screen compound agents with synergistic effects against the tea leaf beetle and evaluate their field efficacy, the co-toxicity coefficients of cypermethrin and Metarhizium anisopliae at different ratios were determined using a combined stomach poison and contact toxicity method. Indoor toxicity tests showed that the co-toxicity coefficients of cypermethrin and Metarhizium anisopliae at ratios of 3:2, 4:1, and 7:3 were 178.10, 160.42, and 134.74, respectively, indicating that the compound agent has a synergistic effect on the tea leaf beetle. Considering both co-toxicity and cost, a cypermethrin:Metarhizium anisopliae ratio of 4:1 was selected for field efficacy trials. The results showed that the control efficacy against the tea leaf beetle was 73.98% and 81.87% at 3 and 7 days after treatment, respectively, which was higher than that of single-agent treatments.

According to the application of periplocin in preparation of the medicine for inhibiting proliferation and dissemination of ovarian cancer, the HTR1E expression level is excited through a targeted HTR1E promoter region to achieve the medicine effect of inhibiting the proliferation and migration capacity of ovarian cancer, proliferation of ovarian cancer cells can be remarkably reduced, metastasis can be reduced, a new thought is provided for treatment of ovarian cancer, and the application has a wide application prospect. The development of traditional Chinese medicine micromolecules in tumor treatment is expected to be promoted.

A method for preparing biodegradable materials based on corn stalks, belonging to the field of corn stalk treatment, includes the following steps: Step 1: Stalk pretreatment and fiber extraction; Step 2: Preparation of coating solution; Step 3: Functionalization and molding: After the coating solution is scraped into a film with a thickness of 0.1-0.5 mm, it is dried at 60-65℃ for 20-24 hours, sprayed with a urea-phosphorus pentoxide-cypermethrin functional solution and dried at 60-65℃ for 8-12 hours, and then two pretreated films sprayed with functional solution are stacked and hot-pressed at 120-140℃ for 8-10 minutes to obtain a biodegradable agricultural film. This invention uses agricultural waste corn stalks as the core raw material, solves the air pollution problem caused by traditional straw burning, and realizes a resource-based closed loop of "waste-high value-added materials". Each ton of straw can be converted into 150-200 kg of biodegradable agricultural film, and the comprehensive utilization rate of raw materials is increased to more than 85%, which is far higher than the 50%-60% utilization rate of existing processes.