2194 results about "Antibiotics" patented technology

Provided are compositions and methods for selectively reducing the amount of antibiotic resistant and / or virulent bacteria in a mixed bacteria population, or for reducing any other type of unwanted bacteria in a mixed bacteria population. The compositions and methods involve targeting bacteria that are differentiated from other members of the population by at least one unique clustered regularly interspaced short palindromic repeats (CRISPR) targeted DNA sequence. The compositions and methods can be readily adapted to target any bacteria or any bacteria plasmid, or both.

The present invention relates to amphiphilic drug-oligomer conjugates capable of traversing the blood-brain barrier ("BBB") and to methods of making and using such conjugates. An amphiphilic drug-oligomer conjugates comprise a therapeutic compound conjugated to an oligomer, wherein the oligomer comprises a lipophilic moiety coupled to a hydrophilic moiety. The conjugates of the invention further comprise therapeutic agents such as proteins, peptides, nucleosides, nucleotides, antiviral agents, antineoplastic agents, antibiotics, etc., and prodrugs, precursors, derivatives and intermediates thereof, chemically coupled to amphiphilic oligomers.

The invention relates to a bioactive implant comprising a substrate coated with a polymer layer with reactive functions, and a bioactive substance fixed on the implant by means of said reactive functions to enable progressive release on the implant site.Such implants are useful in the field of cardiology for example to prevent restenosis resulting from the fitting of stents in the coronary arteries.

The present invention relates to characterizing changes in mammalian intestinal microbiota associated with associated with high-fat and low-fat diets and with diets containing hydroxypropylmethylcellulose (HPMC) and related methods for diagnosing, preventing and treating obesity and related conditions such as metabolic syndrome and diabetes mellitus. Therapeutic methods of the invention involve the use of probiotics, and / or prebiotics, and / or narrow spectrum antibiotics / anti-bacterial agents that are capable of restoring healthy mammalian bacterial intestinal microbiota.

An isolated Bacillus amyloliquefaciens Ba-BPD1 having an Accession No. of DSM 21836 is provided. This novel strain has unique 16S ribosomal RNA sequenced as SEQ ID NO:1 and produces amylase, protease, cellulase and lipase, fibrinolytic enzyme to show their biodegradation capacities. Further, B. amyloliquefaciens Ba-BPD1 produces the antibiotic substances, such as iturin, fengycin and surfactin, and has antimicrobial capacity for inhibiting the fungal or bacterial growth. In conclusion, the novel strain of Bacillus amyloliquefaciens Ba-BPD1 and its products can be applied in agriculture, wastewater treatment, food industry and chemical industry.

20,23-disubstituted mycaminosyltylonolide derivatives and use of the same in the field of the prophylaxis and treatment of pasteurellosis are disclosed. The di-substituents are peperidino optionally substituted with one or two methyl groups. The derivatives have selective antibacterial activity against Pasteurella.

A novel product comprising a mixture of probiotic and prebiotic ingredients for the treatment of IBS, IBD, Crohn's disease, antibiotic induced diarrhea and other bowel disorders is described herein. Stabilized rice bran derivatives, including stabilized rice bran, RiSolubles, RiceMucil, and Cea100, are used as the source of prebiotics. The prebiotic source is not only rich in fructo-oligosaccharides, but also has potent antioxidants and phytonutrients for intestinal health and the proliferation of bifido-bacteria in the intestines. The probiotics used are different combinations and concentrations of Lactobacilli species, depending on the specific gastrointestinal disease which is targeted. When refrigerated, the products are shelf-stable (95-99%) for at least one year.

The invention provides a bacterium containing a polynucleotide comprising a nucleic acid encoding a heterologous antigen, as well as fusion protein partners. Also provided are vectors for mediating site-specific recombination and vectors comprising removable antibiotic resistance genes.

The invention discloses an insect bioreactor capable of expressing multiple exogenous genes, and a construction method and application thereof. The construction method comprises the following steps: (1) introducing multicopy high-efficiency bacteria DNA (deoxyribonucleic acid) replication initiator into chitinase and cysteine proteinase genes of a baculovirus genome to obtain a baculovirus shuttle plasmid; (2) replacing virus duplicated essential gene downstream the polyhedrosis gene of the baculovirus shuttle plasmid with antibiotic gene to obtain a baculovirus plasmid DNA; and (3) replacingother virus duplicated and infected nonessential genes in the baculovirus shuttle plasmid with reverse selection marker gene to obtain the insect bioreactor. The antibiotic gene or reverse selection marker gene in the insect bioreactor which is constructed by replacing the exogenous target genes can express multiple exogenous genes in a host insect or insect cell. The insect bioreactor disclosed by the invention can efficiently expressing one or more exogenous genes in an insect body at the same time, and can produce massive recombinant proteins at low cost.

The invention discloses martensite antibacterial stainless steel, the weight percentage compositions of which are: 0.05 to 1.0 percent by weight of C, less than or equal to 3 percent by weight of Si, less than or equal to 1.5 percent by weight of Mn, 10 to 30 percent by weight of Cr, less than or equal to 1 percent by weight of Ni, 0.5 to 5 percent by weight of Cu, less than or equal to 1 percent by weight of Nb, less than or equal to 1 percent by weight of Ti, uniformly dispersed nano-precipitation phases epsilon-cu, and the balance Fe and unavoidable impurities. The invention also discloses a hot treatment method of the martensite antibacterial stainless steel, which comprising the following steps of: firstly, performing hot rolling and cold rolling, followed by antibacterial treatment on the martensite antibacterial stainless steel to making an antibacterial part of the martensite antibacterial stainless steel; and then performing quenching and tempering sequentially. The invention has a broad spectrum antibacterial property, rapid sterilization property and a long-lasting antibacterial property, maintains good mechanical performance of the materials and has significant economic and social value.

Provided are methods for the rapid detection of ovarian cancer. The methods employ a multiplex immunoassay to detect levels of two or more of the markers EGF, G-CSF, IL-6, IL-8, CA-125, VEGF, MCP-1, anti-IL6, anti-IL8, anti CA-125, anti-c-myc, anti-p53, anti-CEA, anti-CA 15-3, anti-MUC-1, anti-survivin, anti-bHCG, anti-osteopontin, anti-PDGF, anti-Her2 / neu, anti-Akt1, anti-cytokeratin 19, cytokeratin 19, EGFR, CEA, kallikrein-8, M-CSF, FasL, ErbB2 and Her2 / neu in a sample of the patient's blood, where the presence of abnormal levels of two or more of the markers indicates the presence of ovarian cancer in the patient. An array also is provided to quantitate levels of these markers in a patient's blood. Also provided is a method of predicting onset of clinical ovarian cancer comprising determining the change in concentration over time of two or more of anti-Her2 / neu, anti-MUC-1, anti-c-myc, anti-p53, anti-CA-125, anti-CEA, anti-CA 72-4, anti-PDGFRα, IFNγ, IL-6, IL-10, TNFα, MIP-1α, MIP-1β, EGFR and Her2 / neu in a patient's blood.

The present invention relates to microbial fodder additive, and a kind of microbial fodder additive comprising beneficial microbes and their metabolites and its preparation process and use. The microbial fodder additive is the mixture of fermented liquid or dry powder obtained with Bacillus subtilis, Bacillus cereus, lactobacillus and Saccharomyices cerevisiae and through high density deep layer liquid fermentation. It may be prepared into different specific liquid or powder preparations. The microbial fodder additive has high live bacillus content, long product preserving period and less foreign bacteria contamination, and has the functions of raise fodder utilization, promote animal's growth, increase animal product yield and quality, etc.

The invention relates to a core premix for organic beef cattle, which comprises the following components in percentage by weight: 10-40% of compound galenical preparation, 10-40% of compound enzyme preparation, 10-30% of compound micro-ecological preparation, 20-40% of natural mineral substances, 15-30% of natural vitamins and 5-30% of other preparations. The product can be mixed with organic crop straws, corn, cakes, wheat bran, grass powder, iodized salt, bone powder, calcium powder and the like in certain proportions to be used as a diet for the beef cattle; and by feeding the beef cattle with the diet all year round, not only the immunity of the organic beef cattle can be improved in the feeding process, but also the quality and taste of the beef are improved. Because the product uses the galenical preparation of a plurality of natural traditional Chinese medicines such as cordate houttuynia, honeysuckle flower, radix astragali, forsythia, tuckahoe, fleece-flower root, atractylodes rhizome, white atractylodes rhizome, hawthorn, liquorice and the like as additives to replace the western medicines and antibiotics, uses the compound enzyme preparation to improve the feed utilization ratio and uses the compound micro-ecological preparation to improve the intestinal tract environment of the beef cattle, thus ensuring the food safety of the organic beef.

In response to the need for highly-sensitive antibiotic susceptibility assays and identification assays that do not require extensive incubation times, the present invention provides automated assay methods and systems that permit the determination of antibiotic susceptibilities and / or microorganism identification in a timeframe that is substantially shorter than has previously been attainable using a hybrid system that combines turbimetric and fluorescence determinations using a single, clear-plastic assay platform. Related devices, kits, and components thereof are also disclosed.

The invention relates to a method for preparing health-benefiting fermented soybean meal enriched in small peptides, gamma-aminobutyric acid (GABA), reducing sugar, lactobacillus plantarum and antimicrobial peptide. By utilizing strains of aspergillus oryzae, saccharomyces cerevisiae, bacillus subtilis and lactobacillus plantarum, the small peptides, free amino acids, reducing sugar, GABA and high viable count content in the lactobacillus plantarum in the health-benefiting fermented soybean meal are obtained through the two-stage solid state fermentation method, the small peptides account for 8.01-18 percent, the free amino acids has the content of 80-300mg / g, the reducing sugar reaches 20-80mg / g, the GABA reaches 0.317-0.5mg / g, the viable count content in the lactobacillus plantarum is 2-6.5*1010cfu / g, the antibacterial titer of antimicrobial peptides is 2.0*103-7.0*104 IU / g, and the yield of the health-benefiting fermented soybean meal is 82.03-90 percent. According to the process, the nutrient effect of the soybean meal can be improved, the prepared fermented soybean meal has the antibacterial effect, partial antibiotics can be replaced, the fermented soybean meal is conveniently preserved and saved, the process is simple and feasible, and the fermented soybean meal is green and environment-friendly and has application significance and wide prospect in the feed industry and breeding industry.

The invention relates to a trichoderma harzianum composite bacteria culture and application of the same in the aspect of plant protection, and belongs to the technical field of biology. The strain of the trichoderma harzianum composite bacteria culture is preserved in the China General Microbiological Culture Collection Center (CGMCC), and classified and named as Trichoderma harzianum MDCGTH 18, with a preservation number of CGMCC NO.2965. The Trichoderma harzianum MDCGTH 18 composite bacteria culture utilizes antagonistic microbes for biological prevention and treatment, simultaneously has the functions of inducing the disease resistance of plants and increasing the yield, has obvious effect of controlling aspen root rot, apple root rot, citrus yellow shoot, watermelon fusarium wilt, tobacco bacterial wilt, wheat scab, full rot, root rot, banded sclerotial blight, cucumber powdery mildew, downy mildew, vegetable gray mold, fusarium wilt and various other epidemic diseases, can be independently taken as a biological control microbial inoculum for plant diseases, and can also be mixed with other biological antiseptics, plant antibiotics, plant growth regulators and the prior antiseptics to prepare various biological antiseptics for controlling different plant diseases.

Provided are compositions and methods for selectively reducing the amount of antibiotic resistant and / or virulent bacteria in a mixed bacteria population, or for reducing any other type of unwanted bacteria in a mixed bacteria population. The compositions and methods involve targeting bacteria that are differentiated from other members of the population by at least one unique clustered regularly interspaced short palindromic repeats (CRISPR) targeted DNA sequence. The compositions and methods can be readily adapted to target any bacteria or any bacteria plasmid, or both.

The invention provides methods and compositions that include a nutraceutical supplement, antibiotic, and metal chelating agent that is administered to a patient to treat or prevent pathological calcification and or plaque formation as associated with Nanobacteria Calcifying Nano-Particles and / or diseases caused there-from, The method includes the administration of a therapeutically effective nutraceutical supplement, tetracycline HCL, and ethylenediaminetetraacetic acid calcium di-sodium salt to a patient in order to prevent and treat calcific disease.

Ocular solutions containing at least one macrolide antibiotic and / or mycophenolic acid provide anti-inflammatory, anti-cell proliferation, anti-cell migration, anti-angiogenesis, antimicrobial, and antifungal effects. In one embodiment, the solution is administered intraocularly after cataract surgery before insertion of a replacement intraocular lens, resulting in reduced posterior capsular opacification which may eliminate the need for a subsequent surgery. The solution may be one that is invasively administered, for example, an irrigation or volume replacement solution containing at least one macrolide antibiotic such as tacrolimus, sirolimus, everolimus, cyclosporine, and ascomycin, or mycophenolic acid. The solution may be one that is non-invasively or topically administered in the form of drops, ointments, gels, creams, etc. and may include eye lubricants and contact lens solutions.

Topical compositions and methods of using same for treating various skin disorders or conditions. In a particular aspect, these compositions comprise a storage-stable mixture of a benzoyl peroxide-containing composition, an antibiotic or a pharmaceutically acceptable salt or ester thereof, and a retinoid or a pharmaceutically acceptable salt thereof. In an alternative embodiment, these compositions comprise a storage-stable mixture of a retinoid or a pharmaceutically acceptable salt thereof and either a benzoyl peroxide-containing composition or an antibiotic or a pharmaceutically acceptable salt or ester thereof.

The invention discloses a production method of a pig feed additive containing traditional Chinese medicine and active probiotics, which comprises the steps of: respectively conducting single-spawn strain quantity expanding culture to the parent strains of active probiotics for pigs; mixing equiponderant first-order seed liquid of all kinds of active probiotics for pigs, inoculating the liquid into seed tank culture mediums for multi-spawn mixed culture and then inoculating the liquid into traditional Chinese medicine liquid culture mediums for primary traditional Chinese medicine fermentation; and mixing multi-spawn mixed traditional Chinese medicine fermentation liquid with corn cob meal with the same volume to obtain solid fermented seeds and then inoculating the seeds into traditional Chinese medicine solid culture mediums for secondary traditional Chinese medicine fermentation. By implementing the embodiment of the invention, the strain activity of the active probiotics in the pigfeed additive and the colonization performance in intestinal canals can be greatly improved, the produced pig feed additive is rich in traditional Chinese medicine compositions, the effect of active compositions which take a pharmacological effect in the traditional Chinese medicine compositions can be fully exerted, the body strengthening and disease curing performance and the growth promoting performance of the pig feed additive are improved and therefore the use of antibiotics can be fully avoided.

A composition of matter with antimicrobial and antibacterial properties for treatment of water, wastewater, processed food and for use as a food additive is provided. The antimicrobial composition inhibits cellular growth of known pathogenic, indicator and spoilage organisms, such as salmonella, stahphylococcus, listeria, E-coli, aerobic and anerobic organisms in wastewater and the like. The antimicrobial composition of the present invention is useful in many situations and conditions in need of disinfectants and sanitizers. One of the primary benefits of the antimicrobial agent is that it inhibits the growth of bacteria that have become antibiotic resistant. In addition, the antimicrobial composition herein does not have any known toxicity to man or the environment.

A composition and methods for maintaining and restoring normal urogenital flora in humans. The composition includes one or more bacteria selected from the group consisting of Lactobacillus iners, all clones with at least 97% sequence similarity to Lactobacillus iners, Atopobium spp, and all clones with at least 90% sequence similarity to Atopobium spp as determined by sequences from 16S rRNA genes. The method for maintaining includes administering a safe and effective amount of the composition. The method for restoring includes administering a safe and effective amount of an antibiotic and subsequently administering a safe and effective amount of the composition.

The present invention provides compositions and crystals of the carboxyltransferase (CT) domain (the C-terminal ˜90 kDa fragment) of various acetyl-CoA carboxylase (ACC) proteins, including yeast, mouse and human ACCs. Further, the present invention provides methods for identifying and designing compounds that can modulate ACC activity. These methods are based, in part, on the X-ray crystallographic structures of the CT domain of yeast ACC, either alone or bound to acetyl-CoA or a CT inhibitor, such as haloxyfop or diclofop or CP-640186. Thus, the present invention relates to the crystal structures of the carboxyltransferase (“CT”) domain of acetyl-CoA carboxylase (“ACC”), and to the use of these structures in the design of anti-obesity compounds, anti-diabetes compounds, antibiotic compounds, herbicide compounds, and in the design of herbicide resistant plants.

A preparation method of a microecological culture feed additive belongs to the technical field of livestock and poultry feed additive. A solid fermentation medium comprises 40% of wheat bran, 10% of corn, 9% of soybean meal, 0.5% of urea, 0.1% of potassium dihydrogen phosphate, 0.1% of sodium dihydrogen phosphate, 0.1% of manganese sulfate, 0.2% of calcium chloride and 40% of water. fermentation strains include plant lactobacillus, bacillus subtilis and saccharomyces cerevisiae in a ratio of 1:2:2. The method comprises the following steps: crushing, sieving, mixing, disinfecting, preparing fermentation bacteria liquid, inoculating fermentation strains and obtaining a finished product. The microecological culture feed additive provided by the invention combines functions of nutrition and health care, has no toxic or side-effect or pollution, and can improve antioxidation capability and immunization function of a weaning pigling, increase daily weight gain of the pigling and forage conversion rate, reduce diarrhoea rate, reduce or prevent pigling weaning stress syndrome and substitute antibiotic additive in forage.