70 results about "Fungicidal drug" patented technology

The present invention discloses a method for preparing heteroatom doped carbon quantum dot, and application thereof in fields of biomedicine, catalysts, photoelectric devices, etc. The various kinds of heteroatom doped carbon quantum dots are obtained by using a conjugated polymer as a precursor and through a process of high temperature carbonization. These carbon quantum dots contain one or more heteroatoms selected from the group consisting of N, S, Si, Se, P, As, Ge, Gd, B, Sb and Te, the absorption spectrum of which ranges from 300 to 850 nm, and the fluorescence emission wavelength of which is within a range of 350 to 1000 nm. The carbon quantum dot has a broad application prospect in serving as a new type photosensitizer, preparing drugs for photodynamic therapy of cancer and sterilization, photocatalytic degradation of organic pollutants, photocatalytic water-splitting for hydrogen generation, organic polymer solar cell and quantum dot-sensitized solar cell.

The invention discloses a bactericidal pharmaceutical composition and applications thereof. The bactericidal pharmaceutical composition comprises at least two active components: berberine and amino-oligosaccharin. The bactericidal pharmaceutical composition further comprises auxiliary ingredients. By mass percentage, the bactericidal pharmaceutical composition comprises 1-25% of active components and the balance of auxiliary ingredients. Therefore, the bactericidal pharmaceutical composition is high in efficacy, free from environmental pollution, and low toxicity to human and livestock.

The invention provides an active bactericidal medicine. The active bactericidal medicine is used for substituting general spray fungicide such as peroxyacetic acid, and can be used as medical bactericidal medicines at the same time. The invention further provides a preparation method and special equipment of the active bactericidal medicine. The active bactericidal medicine is safe and not-toxic, the continuous sterilizing can be realized under presence of people, and the stability is good.

The invention relates to azoxystrobin-containing bactericide fertilizer granules. The bactericidal active ingredient is azoxystrobin; and based on the total weight of the bactericide fertilizer granules, the bactericide fertilizer granules comprise the following components: 0.01-10% of azoxystrobin, 30-60% of carrier fertilizer, 0.5-3% of dispersing aid, 0.1-2% of sustained-release agent, 0.1-5% of binder and the balance of packing. The bactericide fertilizer granules provided by the invention are mainly used for preventing and curing the diseases of the watermelon, cucumber, hot pepper and cotton at the seedling stage, wherein the diseases include fusarium wilt and damping off. The bactericide fertilizer granules provided by the invention are of great significance to effectively, scientifically and reasonably utilize the resources and protect the environment, and realize positive promotion effects on reducing the agricultural input and increasing both production and income of the agriculture.

This invention discloses an acidic detergent for carbon steel and its application. The acidic detergent is composed of xacin-series antibacterial drug and 0.1-2 M acid solution at a ratio of 0.010-5.0 kg / L. The acidic detergent can be applied by soaking carbon steel in the acidc detergent at room temperature for 15 min-3 h. The acidic detergent can prevent carbon steel from local or whole corrosion, and has such advantages as low usage amount, high corrosion-inhibiting efficiency, long effective time, no harm to the environment or creatures, etc., thus having good application potential.

The invention relates to a water-application quick floating oil pesticide and an application method thereof, which effectively solve the problems that the prior pesticide has poor drug effect and is difficult to be sucked by pests, harmful bacteria and pests of crops have drug resistance. The oil pesticide is prepared by evenly mixing the following components by weight percentage: 50 to 90 percent of lubricating oil, 3 to 8 percent of organophosphorus pesticide, 3 to 10 percent of emulsion pesticide, 2 to 5 percent of pyrethroid pesticide, 1 to 25 percent of micronutrient fertilizer, and 1 to 2 percent of bactericidal medicament, wherein the total weight is 100 percent. The application method comprises the following steps: during watering a farm field, dripping the oil pesticide into water in the farm field gradually so that the medicament flows into the farm field along with the water and floats on the water surface; or applying the oil pesticide to the water surface in the irrigated farm field, wherein the application quantity for each mou is between 100 and 1,000 milliliters; and when meeting with water, the oil pesticide is dispersed quickly and floats on the water surface by using the lubricating oil as a carrier. The water-application quick floating oil pesticide has scientific composition and an advanced application method, integrates plant sterilization, disease prevention and plant pest killing, improves the application effect of the medicament, guarantees the bumper harvest of crops, and is a great innovation on pesticides.

The invention relates to bactericidal pesticidal fertilizer granules. The pesticidal fertilizer granules use prothioconazole as bactericide component and one or more than two of major elements N, P and K and trace elements of zinc and boron as a carrier fertilizer component. Based on the total weight, the pesticidal fertilizer granules comprise 0.1-2% of prothioconazole, 8-80% of a carrier fertilizer, 0.5-3% of a dispersing auxiliary, 0.1-2% of a slow release agent, 0.1-5% of a bonding agent and the balance of a filler. The bactericidal pesticidal fertilizer granules provided by the inventionare mainly applied to control of powdery mildew, sheath blight, wilt disease and other diseases of wheat. The dosage form of the bactericidal pesticidal fertilizer granules is a good dosage form whichis safe and convenient to use, long in lasting period and obvious in yield increasing effect.

The invention discloses a povidone iodine effervescent tablet with sterilization and disinfection effects, and a preparation method thereof, and belongs to the technical field of disinfection preparations. The povidone iodine effervescent tablet is prepared from, by weight, 5-15 parts of povidone iodine , 2-6 parts of fumaric acid, 2-6 parts of sodium bicarbonate, 5-15 parts of mannitol, 3-8 parts of povidone K30 and 60-70 parts of microcrystalline cellulose. The invention also discloses the preparation method of the povidone iodine effervescent tablet. The povidone iodine effervescent tablet can be used for sterilizing water and disinfecting environment, devices and water used for animal body skins. The povidone iodine effervescent tablet is a disinfection antiseptic, and has a killing effect on multiple bacteria, spores, viruses and fungi. The action mechanism of the povidone iodine effervescent tablet is that the povidone iodine effervescent table depolymerizes and releases contained iodine for acting a bactericidal effect after the povidone iodine effervescent tablet is in contact with wounds or infected parts. The povidone iodine effervescent tablet has small irritation to tissues, is suitable for treating skin and mucous membrane infection, is a high-efficiency and low-toxicity sterilization medicine, and has a good killing effect on bacteria, viruses and fungi.

The present invention discloses a sterilization composition adopting fluxapyroxad and flutriafol as main active components, and an application thereof, and belongs to the technical field of compounded pesticides. According to the present invention, the sterilization composition adopts fluxapyroxad and flutriafol as main active components, wherein a weight ratio of the fluxapyroxad to the flutriafol is 1-90:1-90, and the total amount of the fluxapyroxad and the flutriafol is 2-90% of the mass of the sterilization composition; and the sterilization composition provides significant effects for preparation of drugs for prevention and control of crop resistance plant fungous diseases of cereals, fruits and vegetables, and specifically for preparation of sterilization drugs for prevention and control of powdery mildew, botrytis cinerea, sclerotinia rot, rot disease, rust disease, glume spot of rice, web blotch, downy mildew, rice blast and seedling blight, especially sterilization drugs for prevention and control of wheat rust disease and cucumber powdery mildew. In addition, compared with the single-agent substance, the composition has characteristics of prevention and control spectrum expanding, production and use cost reducing, and drug resistance overcoming and delaying.

The invention provides a medicine for treating epistaxis through oral administration and external use and a method thereof. The following components are combined for use as the medicine in parts by weight: 0.5 part of chloramphenicol tablets, 0.5 part of cefradine injection powder, 0.5 part of furazolidone tablets, 30 parts of radix rehmanniae, 30 parts of prepared rhizome of rehmannia, 25 parts of garden burnet root, 30 parts of golden cypress, 30 parts of fructus forsythiae, 25 parts of caulis spatholobi and 25 parts of liquorice, wherein western medicines, namely the chloramphenicol tablets, the cefradine and the furazolidone tablets, are bactericidal medicines for external use, and wherein traditional Chinese medicines, namely radix rehmanniae, prepared rhizome of rehmannia, garden burnet root, golden cypress, 30 parts of fructus forsythiae, caulis spatholobi and liquorice are decocted with water and used as medicines for oral administration. The medicine provided by the invention is obvious in medicine treatment effect, quick to stop bleeding and worthy of popularization and utilization.

Disclosed is an efficient decontamination floor cleaner. The raw materials of the cleaner include, by weights: 4 to 6 parts of methyl hydroxybenzene, 3 to 7 parts of dibutyl phthalate, 4 to 8 parts of cocamido propyl hydroxyl sultaine, 6 to 9 parts of hydrogenated castor oil, 5 to 10 parts of spices, 12 to 17 parts of polystyrene latex, 4 to 8 parts of sodium carbonate, 6 to 7 parts of beewax, 1.5 to 2.3 parts of diethylene triamine pentaacetic acid (DTPA) iron ammonium salt, 2 to 4 parts of bactericide B, 3 to 5 parts of eucalyptus oil, 8 to 14 parts of lacquer thinner, 7 to 12 parts of sodium alcohol ether sulphate, 0.1 to 0.2 part of flavour, 20 to 24 parts of sodium hydrogen carbonate and 5 to 10 parts of fatty alcohol-polyoxyethylene ether. The floor cleaner has the advantages the fine decontamination and bacteriostasis effects are achieved, the floor lustre is enhanced, floor ageing is prevented effectively, and the service life of the floor is prolonged.

The invention discloses that tryptophan has the effect of enhancing the bactericidal effect on gram-negative bacteria, and particularly relates to application of tryptophan to preparation of bactericidal medicines for gram-negative bacteria. The design experiment proves that tryptophan can be added to gentamicin and kanamycin to increase the intracellular reactive oxygen species level of bacteriaand further increase the absorption of antibiotics by the bacteria, thereby improving the sensitivity of the bacteria to drugs. The trapping effect of tryptophan on the gram-negative bacteria and theimprovement of the bactericidal effect on drug-resistance bacteria are fully proved. Based on the above findings, secondary medical use of tryptophan, a bactericidal composition, a bactericidal drug and a bactericidal method are correspondingly disclosed.

The invention discloses a liquid for curing tinea pedis, which is capable of curing superficial fungal infection. The formula of the liquid comprises 5-20% of peracetic acid, 50-75% of alcohol with the alcohol strength of 75%, 2-5% of azone, 5-10% of acetic acid (glacial acetic acid), 3-8% of salicylic acid and 3-10% of benzoic acid. The liquid adopts multiple fungicidal drugs and skin penetrants, thus having the advantages of rapid curative effect, high cure rate, convenient use and the like, and having no toxic and side effect and low cost.

The invention provides an application of colletotrichum gloeosporioides fatty acid hydroxylase CsSCS7 and a method for constructing a gene knockout vector and a gene knockout mutant, and particularlyrelates to the application of the colletotrichum gloeosporioides fatty acid hydroxylase CsSCS7 in degrading bactericides, the CsSCS7 gene knockout mutant is obtained by constructing a CsSCS7 gene knockout vector, through functional tests, it is proved that the hydroxylase is extremely important for growth of colletotrichum gloeosporioides hyphae, participates in regulation and control of degradation of fungi to fludioxonil, can be applied to degradation of pyrrole sterilizing agents such as fludioxonil and has a good application prospect.

The invention discloses a stomatological drug preparation with a slow-release effect. The stomatological drug preparation can be sustainably released within 8 hours, and still has an effective bacteriostatic effect within the 8 hours. The stomatological drug preparation is prepared from, by mass, 5-20 parts of release-controlled agent, 60-90 parts of shaping agent and 5-20 parts of bactericidal drug. It is accidentally discovered that the release time of the cationic bactericidal drug can be prolonged by adding a proper amount of release-controlled agent, drug loss caused by early rapid release of the drug is prevented, the drug release amount in the preceding one hour can be reduced to 1 / 6 time, and the subsequent sustainable release of the drug is ensured. The drug in the stomatologicaldrug preparation has the slow-release effect so that the breeding of oral bacteria can be inhibited for a longer time, that is, a long-acting bacteriostatic effect can be achieved.

The invention discloses a sterilization composition which takes fluxapyroxad and metominostrobin as main active components and its application, which belongs to the technical field of complex formulation pesticide. The sterilization composition takes the fluxapyroxad and metominostrobin as main effective components, wherein the weight ratio of fluxapyroxad to metominostrobin is 1-90: 1-90, and the mass percentage content of fluxapyroxad and metominostrobin accounts for 2-90% of that of the composition. The sterilization composition has obvious effect for preparing the medicine for preventing and treating the resistant plants fungal disease of cereals, fruit trees, vegetables and crops, and especially for preventing and treating powdery mildew, botrytis, sclerotinia rot, rot disease, rust disease, rot, net blotch, downy mildew, rice blast and fusarium patch, and especially for preventing and treating rice blast and powdery mildew of cucumber. Compared with a single dose, the prevention and treatment spectrum can be enlarged by the composition, the production and usage cost can be reduced, and the drug resistance can be overcome and delayed.

The invention discloses a preparation method and application of double-drug combined intelligent antibacterial hydrogel. The preparation process of the hydrogel comprises the following steps: oxidizing dextran (Dex) by adopting a sodium periodate oxidation method, breaking part of chains in dextran to form furfural, then reacting primary amino in sulfadiazine with part of aldehyde groups in furfural to generate pH sensitive imine bonds, and reacting and cross-linking residual aldehyde groups in furfural with tobramycin in water, and carrying out self-assembly to form the hydrogel. The hydrogelhas a pH sensitive characteristic, can effectively release drugs in an inflammatory subacid environment, realizes on-demand release of the drugs, avoids excessive use of antibiotics, reduces toxic and side effects of the drugs, simultaneously loads two bactericidal drugs sulfadiazine and tobramycin, kills bacteria through different mechanisms, improves an antibacterial effect, and has an excellent antibacterial effect.

The invention discloses a sterilization composition containing fluazinam and prothioconazole as well as an application thereof, which belong to the technical field of pesticide. The sterilization composition takes fluazinam and prothioconazole as main effective components, wherein weight ratio of fluazinam to prothioconazole is 1-70: 1-50. The sterilization composition can be used for preventing and controlling fungous diseases such as cereal, fruit or vegetable crops, especially can be used for preparing the sterilization medicines for preventing and treating powdery mildew, anthracnose, scab, penicilliosis, eqpidemic disease, leaf blight, rust, downy mildew, brown spot, fusarium patch and botrytis. The composition has high cooperative synergism effect, can overcome and delay the resistance of pathogen as well as enlarge a controlling spectrum, the sterilization speed is fast, persistent period is long, application cost is reduced, and the controlling effect of the composition is obviously better than that of a single dose.

The invention relates to a fungicidal composition. Fluxapyroxad and bromochloroisocyanuric acid are used as main active ingredients, wherein the weight ratio of fluxapyroxad to bromochloroisocyanuric acid is (1-90): (1-90). The invention further discloses application of the fungicidal composition to the preparation of antibiotic drugs for phytopathogenic fungal diseases of cereals, fruit trees and vegetable crops, especially the application to the preparation of fungicidal drugs for preventing and controlling powdery mildew, gray mold, stalk break, valsa canker, rust disease, glume blight, net blotch, downy mildew, rice blast and rhizoctonia solani. The fungicidal composition has a remarkable effect especially in the application to the preparation of fungicidal drugs for preventing and controlling rice blast and powdery mildew of cucumbers.

The invention relates to a method for preparing two-dimensional near-monolayer montmorillonite. Powdery sodium montmorillonite is added into pure water to be stirred until being completely dispersed to obtain a montmorillonite suspension liquid; ultrasonic or stirring treatment is carried out on the montmorillonite suspension liquid, and then centrifugation is carried out to take an upper layer suspension liquid; vacuum freezing drying is carried out on the upper layer suspension liquid to obtain a white cotton-shaped two-dimensional near-monolayer montmorillonite sample, that is a product. Compared with the prior art, the method for preparing the two-dimensional near-monolayer montmorillonite has the advantages that the preparation method is simple and easy to carry out, the repeatabilityis good, the obtained two-dimensional near-monolayer montmorillonite has stable properties, can be produced on a large scale, and is used for adsorbents, fungicidal drugs, dielectric, catalyst carriers and the like.

The invention belongs to the technical field of plant planting, and specifically discloses a prevention and control method for stem-base rot of passiflora caerulea. The prevention and control method for the stem-base rot of the passiflora caerulea comprises the following steps: (1) cutting a diseased part; (2) disinfecting a cut: after the cut is coated by alcohol, covering the cut by adopting a disposable cover bag; (3) performing coating by using a bactericide: coating the cut by adopting the bactericide, and covering the cut by adopting a disposable cover bag; (4) performing coating by using a recovery agent: coating the cut by adopting the recovery agent, and covering the cut by adopting a disposable cover bag; (5) performing painting by using a whitening agent; and (6) performing binding. The prevention and control method for the stem-base rot of the passiflora caerulea provided by the invention is scientific and effective, and breaks a current prevention and control method for spraying treatment only by using a single chemical agent; and chemical agent prevention and control and a physical matching technical measure are combined, the diseased part is treated in a targeted manner, and transmission and spread of the stem-base rot of the passiflora caerulea are timely and effectively stopped.

The invention discloses an application of ginko endogenetic fungi metabolite in preventing plant mycosis, belonging to microbiological pesticide technology, which comprises the following steps: preparing ginko tissue, surface sterilizing, separating and culturing the endogenetic fungi, sifting effective strain, fermenting and preparing bactericide. The invention provides a new way for developing agricultural bactericide.

The invention discloses a prevention method for plant bacterial canker. The prevention method comprises the following steps of taking and dissolving veterinary-use florfenicol liquid under a water bath condition, adding veterinary-use gentamicin, 98% veterinary-use streptomycin sulphate and diethyl aminoethyl hexanoate, diluting with 15kg of water, and evenly stirring to obtain bactericide liquid; after a plant cultivated in a sunlight greenhouse suffers from the bacterial canker, thoroughly watering the plant before the bactericide liquid is sprayed, spraying the bactericide liquid in a sunny day, sealing the greenhouse after the bactericide liquid is sprayed, cleaning the greenhouse film of the greenhouse with dry cloth or a sponge for removing dust, improving the indoor temperature of the sunlight greenhouse to 53-55DEGC, and then, closing the greenhouse; repeatedly spraying the bactericide liquid, and closing the greenhouse one time; after water is added into the bactericide liquid to carry out dilution, carrying out root irrigation on the plant suffering from the bacterial canker. The prevention method has the advantages of scientific compatibility, good sterilization effect and obvious effect on preventing and curing diseases including plant bacterial canker, so that the plant is free from the infringement of bacteria in a whole growth process and does not generate drug resistance.

The present invention discloses a sterilization composition containing penconazole and benthiavalicarb-isopropyl, and applications thereof, wherein the sterilization composition adopts penconazole and benthiavalicarb-isopropyl as main effective components, and a weight ratio of the penconazole to the benthiavalicarb-isopropyl is 1-70:1-50. The sterilization composition of the present invention can be used for preparation of sterilization drugs for prevention and control of fungi plant diseases of cereal, fruit trees and vegetables, provides significant synergy effects on powdery mildew, scab, downy mildew, late blight, rust disease and other fungi plant diseases, has characteristics of pathogenic bacterial drug resistance overcoming and delaying, rapid sterilization, long last period and application cost reducing, and provides the more excellent prevention and control effect compared with the use of the single agent.

The invention discloses a bactericidal composition containing penconazole and propamocarb and an application thereof. The bactericidal composition has two main active ingredients, namely penconazole and propamocarb. Weight ratio of penconazole to propamocarb is 1-70:1-50. The bactericidal composition can be applied in preparation of bactericida medicines for controlling fungal diseases on cereals, fruit trees and vegetables, has obvious synergetic effects on fungal diseases such as powdery mildew, venturia inaequalis, downy mildew, late blight, rust disease, black shank and the like, overcomes and delays drug resistance of germs, and has fast bactericidal speed and long duration. Application costs are reduced. Control efficiency of the bactericidal composition is obviously superior to that of a single dosage.

The present invention discloses a sterilization composition adopting fluxapyroxad and picoxystrobin as main active components, and an application thereof, and belongs to the technical field of compounded pesticides. According to the present invention, the sterilization composition adopts fluxapyroxad and picoxystrobin as main active components, wherein a weight ratio of the fluxapyroxad to the picoxystrobin is 1-90:1-90, and the total amount of the fluxapyroxad and the picoxystrobin is 2-90% of the mass of the sterilization composition; and the sterilization composition provides significant effects for preparation of drugs for prevention and control of crop resistance plant fungous diseases of cereals, fruits and vegetables, and specifically for preparation of sterilization drugs for prevention and control of powdery mildew, botrytis cinerea, sclerotinia rot, rot disease, rust disease, glume spot of rice, web blotch, downy mildew, rice blast and seedling blight, especially sterilization drugs for prevention and control of rice blast and cucumber powdery mildew. In addition, compared with the single-agent substance, the composition has characteristics of prevention and control spectrum expanding, production and use cost reducing, and drug resistance overcome and delaying.

The invention belongs to the technical field of pesticide preparation, and discloses a high-permeability high-adhesion pesticide synergistic auxiliary agent and a preparation method thereof. The high-permeability high-adhesion pesticide synergistic additive is prepared from the following components in parts by mass: 4 to 7 parts of green tea polyphenol, 3 to 4 parts of 1% potassium indolebutyrate,3 to 6 parts of a surfactant, 5 to 8 parts of a solvent, 3 to 4 parts of sodium bis(tridecyl)sulfosuccinate, 3 to 5 parts of a penetrating agent, 1 to 2 parts of an emulsifying agent and the balanceof water. According to the pesticide synergistic auxiliary agent provided by the invention, the wetting effect is enhanced, the evaporation capacity is reduced, the permeation speed and the permeationcapacity are increased, and the dosage entering a target is increased, so that the actual effective utilization rate of a pesticide is increased, and the use effect of the pesticide is enhanced; thepesticide synergistic auxiliary agent is simple in component, simple and convenient in preparation method, capable of realizing industrial production, relatively low in preparation cost and suitable for popularization and application; and the pesticide synergistic auxiliary agent is not only limited to fungicides, but also can be widely applied to insect killing, weeding and plant growth regulation.

The invention discloses a compound ofloxacin solution for veterinary use and a preparation process of the compound ofloxacin solution. Each 1L of the compound ofloxacin solution for veterinary use consists of 3-8g of ofloxacin, 1-6g of PVP-K30, 1-6g of chlorhexidine acetate, 0.5-2g of sodium hydrogen sulfite, 10-35g of benzyl alcohol, 0.5-2g of EDTA-2Na, 0.8-2g of Tween-80, 10-200g of propylene glycol, 50-300g of glycerol and injection water for the balance. According to the compound ofloxacin solution, the chlorhexidine acetate is combined with ofloxacin which belongs to quinolone bactericidal medicines, so as to completely develop functional characteristics of the chlorhexidine acetate as a cationic surface active agent, thus changing bacterial membrane permeability, promoting the ofloxacin to enter into bacterium cells, and enhancing the antibacterial function of the ofloxacin; the ofloxacin, chlorhexidine acetate and benzyl alcohol, although are bactericidal medicines, are different in sterilizing mechanism and free from mutual antagonism, so that the bacterium is difficult to generate drug resistance on the three medicines simultaneously; the PVP-K30 can inhibit odor from spreading, and the benzyl alcohol is fragrant, so that the product has a quite strong deodorizing function.

The invention relates to a sterilization fertilizer particulate agent containing metconazole. The fertilizer particulate agent comprises a bactericide component of metconazole, and a carrier fertilizer component is composed of one or more than two from macroelements N, P, K, and trace elements zinc and boron. By referring gross weight, the fertilizer particulate agent comprises the following components: 0.1-1% of metconazole, 0.5-80% of a carrier fertilizer, 0.5-3% of a disperse auxiliary agent, 0.1-2% of a sustained release agent, 0.1-05% of a binder, and the balance of a filling material. The sterilization fertilizer particulate agent is mainly used for preventing and treating diseases such as wheat or vegetable rust disease, and gibberellic disease. The dosage form of the fertilizer particulate agent is the excellent dosage form which has the advantages of safe and convenient usage, long persistent period, and obvious yield-increasing effect.

The invention discloses an oral medicine preparation with sustained release effect, which can be released continuously within 8 hours, and still has effective antibacterial effect within 8 hours. In terms of parts by mass, the pharmaceutical preparation includes 5-20 parts of the controlled-release agent, 60-90 parts of the forming agent, and 5-20 parts of the bactericidal drug. The present invention unexpectedly finds that the release time of the cationic fungicide can be prolonged by adding an appropriate release-controlling agent to prevent the loss of the drug caused by the early "burst release" of the drug, and the amount of the drug released in the first hour can be reduced to 1 / 6 times, ensuring Subsequent sustained release of drug. The slow-release effect of the drug in the oral pharmaceutical preparation can inhibit the growth of oral bacteria for a longer period of time, that is, achieve a long-term antibacterial effect.