30 results about "Sparfloxacin" patented technology

The invention provides an aspartate quinolone antibiotics water-soluble salt and the injection formulation thereof, including sparfloxacin, gatifloxacin, rufloxacin, pefloxacin, tosufloxacin, moxifloxacin, and so on; the invention improves the water solubility of quinolone antibiotics and enhances the anti-bacterial effect of quinolone antibiotics. Compared with the oral liquid of quinolone drugs of the prior art, the invention has the advantages that: water solubility of the drug is good, as the drug enters the blood directly, the invention can not only achieve treatment function rapidly, but can also be absorbed by the human body fully, and the invention has significant effects in the two aspects of fast onset of action and low consumption. Compared with the injection of the quinolone drugs of the prior art, the invention has the advantages that: due to the existence of the L-aspartate, the antibacterial activity of quinolone drugs can be enhanced.

The invention discloses a method for determining 10 quinolone antibiotics in bean sprouts by an ultra-high performance liquid chromatography-tandem mass spectrometry, which is characterized by comprising the following steps of: preprocessing; preparing a standard solution; obtaining a liquid chromatography mass spectrogram and a regression equation; and analyzing and detecting samples by the ultra-high performance liquid chromatography-tandem mass spectrometry. A ultra-high performance liquid chromatography-electrospray tandem mass spectrometry is adopted in this study to carry out an analysisand determination of enrofloxacin, ciprofloxacin, norfloxacin, pefloxacin, ofloxacin, sarafloxacin, danofloxacin, sparfloxacin, fleroxacin and lomefloxacin in the bean sprouts. Sample extraction conditions, purification means, liquid chromatography-mass spectrum parameters and the like are optimized and the matrix effect of the method is evaluated. The result shows that an establishment of the method solves the problem of a simultaneous determination of various quinolone antibiotics in the bean sprouts and provides a technical reference for risk assessment and government supervision.

The slow released implanting agent and injection containing antituberculotic are set or injected to local tuberculosis focus for maintaining the local effective medicine concentration while lowing the systemic toxicity. The slow released injection consists of slow released microsphere and solvent. The slow released microsphere includes antituberculotic selected from Cycloserine, Ofloxacin, Ciprofloxacin and Sparfloxacin and slow releasing supplementary material, and the solvent is special solvent containing suspending agent. The suspending agent is carboxymethyl cellulose sodium, etc. and has viscosity of 100-3000 cp at 20-30 deg.c. The slow releasing supplementary material is selected from EVAc, PLA, PLGA, etc. The slow released implanting agent may be prepared with slow released microsphere. The present invention has obvious and unique treating effect on various kinds of intractable tuberculosis.

The present invention features an antibacterial composition comprising 1) a composition A comprising polymyxin B and trimethoprim; and 2) an antibiotic agent selected from the group consisting of rifampicin, rifabutin, rifapentine, rifaximin, pefloxacin mesylate, sparfloxacin, sarafloxacin HCl, tobramycin, lomefloxacin, besifloxacin, danofloxacin mesylate, enrofloxacin, nadifloxacin and clinafloxacin, a topical pharmaceutical thereof, and a method of treating bacterial infections using mixtures of 1 and 2.

Provided is a ureaplasma urealyticum/mycoplasma hominis combined rapid culture and drug sensitivity detection kit. The kit can complete detection in 8-24 h, and meanwhile, drug-resistant detection of various antibiotics can be performed. The combined rapid culture kit is mainly composed of pork stomach digestive juice or lung digestive juice, a beef extracting solution or a beef heart extracting solution, cattle serum or horse serum or other animal serum, sodium chloride, peptone, yeast powder, urea, L-arginine, phenol red indicator or cresol red indicator, and penicillin or other antibiotics. The drug detection kit can detect doxycycline hyclate, roxithromycin, acetylspiramycin, gatifloxacin, clarithromycin, azithromycin, clindamycin, erythromycin, kitasamycin, ofloxacin, levofloxacin hydrochloride, sparfloxacin, ciprofloxacin, doxycycline, erythromycin cydocarbonate and various other antibiotics. By means of the detection kit, not only is the mycoplasma detection time shortened, but also drug-resistant detection can be performed at the same time so that clinical medication can be guided. The detection kit has the beneficial effects of being high in sensitivity, high in specificity, high in detection rate, easy and convenient to operate and the like.

The present invention discloses a neoquinonones antibacterial agent, its synthesis method and application, in particular, discloses a sparflaxacin salt, its synthesis and application. It utilizes sparflaxacin and polyhydroxyl monocarboxylic acid, are used and reacted to obtain the invented sparflaxacin salt. It is made into crystal, easy to dissolve in water, good in aqueous solution stability, and can be made into infusion preparation and injection for antibacterial therapy, and overcomes the defect of existent sparflaxacin salt, for example sparflaxacin lactate whose aqueous solution is not stable.

The invention relates to a method for detecting sparfloxacin enantiomer in an aquatic product. The solid-phase extraction conditions are optimized, so that the solid-phase extraction time is shortened, and the efficiency is high; besides, by means of the high performance liquid chromatography method, the concentration accuracy of sparfloxacin enantiomer is high, the speed is high, the operation is simple and the cost is lower; the detection method has good linear relation for a target compound, the recovery rate is high, relatively small deviation is caused, a used reagent is low-toxicity and small in dosage, and the method is environment-friendly.

The slow released antituberculotic preparation contains the composition of ofloxacin, ciprofloxacin or sparxacin, capreomycin, sodium taurocholate and/or deoxysodium taurocholate. The slow released antituberculotic preparation is slow released injection or slow released implanting agent. The injection consists of slow released microsphere and solvent. The slow released microsphere contains slow releasing supplementary material and antituberculotic and the solvent is special solvent containing suspending agent carboxymethyl cellulose, etc. and with viscosity of 100-3000 cp at 20-30 deg.c. The slow releasing supplementary material is selected from EVAc, PLA, PLGA, etc. The slow released implanting agent is prepared through a certain process. The present invention has obvious unique treating effect on various kinds of intractable tuberulosis.

The invention discloses novel application of a fluoroquinolone medicine and application of the fluoroquinolone medicine in preparation of a sensitizer of a pseudomonas aeruginosa (P.aeruginosa) inhibitor. The fluoroquinolone medicine is prepared from gemifloxacin, sparfloxacin, enrofloxacin, ciprofloxacin, sarafloxacin, moxifloxacin, pefloxacin, tosufloxacin, orbifloxacin, prulifloxacin, marbofloxacin, levofloxacin, flumequine or/and pazufloxacin; the pseudomonas aeruginosa is pseudomonas aeruginosa DK2 or PAO1; the pseudomonas aeruginosa inhibitor is polymyxin B or colistin.

The invention provides a fructose injection of an antibiotic drug. The injection is composed of antibiotics, fructose and water. The injection also can contain proper additives. The antibiotic comprise gatifloxacin, levofloxacin, ofloxacin, ciprofloxacin, pazufloxacin, fleroxacin, sparfloxacin, moxifloxacin, pefloxacin, rufloxacin, lomefloxacin, norfloxacin, caderofloxacin, azithromycin, telithromycin, ornidazole, secnidazole, tinidazole, metronidazole, clindamycin, lincomycin, fluconazole, etimicin, netilmicin, amikacin and medicinal acid additive salts, esterified compounds, derivatives and the like. The antibiotics are prepared into the fructose injection. Besides the advantages of convenience in use and quickness to take effect of the injection, compared with a gluconic infection, the injection provided by the invention is more easily absorbed and utilized, is more suitable for preventing bacteria and diminishing inflammation, supplying energy and supplementing body fluids for patients with diabetes, heart disease and liver disease, so that the application range of the injection is expanded.

A fructose injection of an antibiotic drug comprises antibiotics, fructose and water and can contain proper additives. The antibiotics comprise gatifloxacin, levofloxacin, ofloxacin, ciprofloxacin, pazufloxacin, fleroxacin, sparfloxacin, moxifloxacin, pefloxacin, rufloxacin, lomefloxacin, norfloxacin, cadrofloxacin, azithromycin, telithromycin, ornidazole, secnidazole, tinidazole, metronidazole, clindamycin, lincomycin, fluconazole, etimicin, netilmicin, amikacin as well as pharmaceutical acid added salts, esters and derivatives thereof. The antibiotics are prepared into the fructose injection, beside injection advantages of being convenient to use and taking effect quickly, compared with glucose injections, the injection is easier to absorb and utilize and more suitable for antisepsis andanti-inflammation, energy supply and body fluid supplement use for patients suffering from diabetes, heart disease and hepatopathy, and the use range of the injection is enlarged.

The invention discloses Sparfloxacin hemisulphate, its preparation method and application. Characterized by clear crystal form, good stability, easy treatment during medicament processing and simple preparation technology, the Sparfloxacin hemisulphate provided in the invention has substantial economic and social benefits.

The invention discloses an organic composite photocatalyst for degrading drugs and pathogenic bacteria and a preparation method of the organic composite photocatalyst, and belongs to the technical field of treatment of pollutants in water. According to the method disclosed by the invention, the loaded photocatalyst is obtained by loading the cephalosporin onto the macroporous adsorption resin through a simple green method. The photocatalyst can generate singlet oxygen, superoxide free radicals and the like even under the irradiation of sunlight and a fluorescent lamp. The oxygen free radicals can react with drugs and pathogenic bacteria, so that the purpose of degrading the drugs and the pathogenic bacteria is achieved. According to the method, the drugs can be completely degraded within 3 hours under illumination, and the drugs comprise antibacterial drugs such as quinolone ciprofloxacin, gatifloxacin, moxifloxacin, ofloxacin, enrofloxacin and sparfloxacin, sulfonamide trimethoprim and antiviral drugs such as chloroquine phosphate. In addition, the photocatalyst can effectively inhibit pathogenic bacteria staphylococcus aureus, and simultaneous removal of drugs and pathogenic bacteria in water pollution is achieved.

The present invention belongs to the field of veterinary medicine technology, and is especially lung targeting sparfloxacin microsphere for animal and its preparation process. The sparfloxacin microsphere is prepared with sparfloxacin as medicine component and gelatin as carrier in the weight ratio of 1 to 2, and through dissolving sparfloxacin in gelatin solution and adding Span-80 and liquid paraffin through stirring to obtain emulsion; cooling in icy bath to below 5deg.c and adding glutaraldehyde through stirring for cross-linking and curing; dewatering with isopropyl alcohol and suction filtering; washing with isopropyl alcohol and ethyl ether to eliminate glutaraldehyd, washing with petroleum ether to eliminate liquid paraffin in the surface of microsphere and vacuum drying at room temperature to obtain sparfloxacin microsphere. The medicine has raised tissue selectivity, delayed release, raised curative effect and lowered toxic side effect.