2356results about "Lyophilised delivery" patented technology

The invention relates to the technical field of biology, in particular to multifunctional belly-expanding hippocampal peptide as well as a preparation method and application thereof. Comprising a polypeptide with an amino acid sequence as shown in SEQ ID NO.1. The hippocampus antioxidative peptide is prepared by adopting an ultrahigh pressure pretreatment and enzymolysis technology, the adopted extraction process is simple in route, and the time and the production cost are effectively saved; an animal model is utilized to prove the anti-oxidation effect and the effect of improving male reproductive disorder and testis injury of the multifunctional belly-expanding hippocampal peptide; and on the basis, a novel peptide fragment with high activity, no toxicity and no sensitization is obtained.

Building on U.S. Provisional Patent Application No. 63 / 693,803, paragraphs for 2D-to-3D conversion and [0023]-[0024] for secure content verification, the Matrix 3D AI Polygon Mesh Hash Key System revolutionizes transforming 2D content into secure, interactive 3D AR / VR assets. Integrating AI and LiDAR, it enables real-time 3D mesh generation with precise geospatial anchoring. Users can reshape 3D content instantly via natural language commands, enhancing interactivity. Quantum-resistant encryption, using AES-256 and CRYSTALS-Kyber, ensures robust asset security. The system excels in gaming, surveillance, content verification, military operations, space exploration, deepfake detection, and pharmaceutical research, offering unmatched precision and scalability. Its multi-stage rendering pipeline, powered by distributed AI-driven bots, supports efficient real-time 3D mesh generation, achieving 95% accuracy and 1 cm resolution. This AR / VR technology advancement transforms industries with scalable, secure solutions for interactive 3D content creation and management, setting a new standard for precision and versatility.

The invention discloses a traditional Chinese medicine composition, a preparation method thereof and an application of the traditional Chinese medicine composition in preparation of a medicine for preventing and treating ovarian reserve hypofunction, and belongs to the technical field of traditional Chinese medicines. The composition is prepared from the following raw materials in parts by weight: 10 to 15 parts of radix paeoniae alba, 6 to 10 parts of radix bupleuri, 10 to 15 parts of radix rehmanniae preparata, 15 to 30 parts of stir-fried rhizoma dioscoreae, 12 to 20 parts of semen cuscutae, 10 to 12 parts of radix angelicae sinensis, 10 to 15 parts of poria cocos, 12 to 25 parts of fructus ligustri lucidi, 10 to 15 parts of radix salviae miltiorrhizae, 10 to 15 parts of fructus corni and 10 to 15 parts of radix morindae officinalis. The traditional Chinese medicine composition can obviously reduce the level of follicle-stimulating hormone (FSH) of cis-platinum model mice, increase estradiol (E2), increase the number of follicles at all levels, especially the number of primordial follicles, and reduce the number of atresia follicles; the ovarian function of naturally aged mice can be improved, FSH (follicle stimulating hormone) is reduced, anti-mullerian hormone (AMH) and E2 are increased, and the quantity of follicles at all levels, especially the quantity of corpus luteum, primordial follicles and anterior sinus follicles, is increased; therefore, the composition disclosed by the invention has an obvious protection effect on the hypoovarian reserve function.

The invention belongs to the technical field of biological agents, and relates to an SOD freeze-dried preparation and a preparation method and application thereof. The invention provides an SOD (superoxide dismutase) freeze-drying preparation which is obtained by dissolving raw materials in a proper amount of solvent and then freeze-drying the raw materials, and the raw materials comprise SOD and collagen; the mass ratio of the SOD to the collagen is 1: (0.5-4). The collagen is added into the raw materials of the SOD freeze-drying preparation, so that the loss of the activity of SOD in the freeze-drying process can be well prevented, and meanwhile, the technical problem that the heat stability of the SOD freeze-drying preparation is insufficient is solved.

The invention discloses a novel herpes zoster vaccine composition and a preparation method, and belongs to the technical field of vaccines. The novel herpes zoster vaccine composition comprises gE protein and an adjuvant, the adjuvant is selected from at least one of an aluminum salt adjuvant, a saponin adjuvant, a TLR pathway agonist, an STING pathway agonist, an emulsion adjuvant and a liposome adjuvant. The invention also provides a preparation method of the composition. Compared with the prior art, the gE protein prepared by the method disclosed by the invention has the advantages that a protective matrix is jointly constructed by saccharides capable of forming a glassy state and a buffer system, and conformation is fixed through hydrogen bond replacement and vitrification in freezing and drying processes, so that interface-induced folding and aggregation are reduced; a small amount of surfactant weakens air-liquid and solid-liquid interfacial tension, terminal low-adsorption filtration reduces non-specific adsorption loss, and the monomer state and immunogenicity are maintained after redissolution.

The invention relates to the technical field of biology, in particular to a swelling hippocampal peptide as well as a preparation method and application thereof. Comprising a polypeptide with an amino acid sequence as shown in SEQ ID NO.1. The hippocampus antioxidative peptide is prepared by adopting an ultrahigh pressure pretreatment and enzymolysis technology, the adopted extraction process is simple in route, and the time and the production cost are effectively saved; an animal model is utilized to prove the antioxidation effect and the effect of improving male reproductive disorder and testis injury of the hippocampal swelling peptide; and on the basis, a novel peptide fragment with high activity, no toxicity and no sensitization is obtained.

The invention discloses a compound liposome, a freeze-dried powder injection as well as a preparation method and application of the freeze-dried powder injection. The compound lipidosome comprises a lipidosome membrane and an inner water phase encapsulated in the lipidosome membrane, the paclitaxel palmitate is encapsulated in a lipid bilayer of the liposome membrane; the gemcitabine or the salt thereof is encapsulated in the inner water phase; the compound liposome comprises the following raw materials: paclitaxel palmitate, lecithin, a polyethylene glycol derivative, gemcitabine or a salt thereof, an organic solvent and a buffer solution A; the molar ratio of the lecithin to the polyethylene glycol derivative is 1: (0.01-0.15). The compound liposome disclosed by the invention is relatively high in encapsulation efficiency (especially the encapsulation efficiency of PTX-PA is relatively good) and relatively high in safety, the preparation method is simple and easy to operate, the industrialization degree is high, and the prepared compound liposome has a relatively good long-circulation effect, a relatively good anti-tumor effect and good in-vivo tolerance.

The present disclosure includes hyperbranched polyether polyols, such as hyperbranched poly(3-(oxiran-2-ylmethoxy) propane-1,2-diol) (HPOD), methods for their preparation and uses thereof, for example, as a cryoprotectant, lyoprotectant or stabilizer.

The disclosure provides compositions, methods of treatment, and methods of making and using compositions to deliver a nucleic acid to a subject. Compositions described herein include lipid carriers, optionally including an inorganic particle, capable of admixing with nucleic acids. Nucleic acids provided herein include those encoding for cancer antigens (full length proteins or fragments) as well as antibodies. Methods of using the compositions as a therapeutic vaccine for the treatment of a cancer are also provided.

The disclosure relates to block copolymer nanoparticles for therapeutic delivery of nucleic acids, and methods therefor. More particularly, the invention relates to polymer nanoparticles, such as reversible addition-fragmentation chain transfer (RAFT) polymer compositions, for delivering miRNAs.

The invention relates to the technical field of biology, in particular to a swelling hippocampus antioxidative peptide as well as a preparation method and application thereof. Comprising a polypeptide with an amino acid sequence as shown in SEQ ID NO.1. The hippocampus antioxidative peptide is prepared by adopting an ultrahigh pressure pretreatment and enzymolysis technology, the adopted extraction process is simple in route, and the time and the production cost are effectively saved; an animal model is used for proving the antioxidation effect of the hippocampus erectus antioxidative peptide and the effect of improving male reproductive disorder and testis injury; and on the basis, a novel peptide fragment with high activity, no toxicity and no sensitization is obtained.

According to the freeze-drying process of the dendrobium officinale solid beverage, psyllium seed husk powder and a trihydroxy fatty acid derivative are compounded to form a synergistic protection system, annealing and segmented freeze-drying processes are combined, ice crystal growth is inhibited on the molecular level, active ingredients are protected, a stable porous structure is constructed on the macroscopic level, and the dendrobium officinale solid beverage is prepared. Finally, the dendrobium officinale solid beverage which is high in active ingredient retention rate and good in color, luster and flavor is efficiently prepared, meanwhile, the freeze-drying period is remarkably shortened, and the production efficiency is improved.

The present disclosure provides daptomycin formulations which have improved chemical stability, faster reconstitution times when reconstituted from the solid state and longer in-use stability. The compositions comprise daptomycin, one basic amino acid or its salt and optionally one or more pH adjusting agents.

The invention discloses a bifidobacterium animalis subsp. Lactis BA-C53 and an application of the bifidobacterium animalis subsp. Lactis BA-C53 in products for improving bone health. The bifidobacterium animalis subsp. Lactis BA-C53 is classified and named as bifidobacterium animalis subsp. Lactis Bifidobacterium animalis subsp. Lactis BA-C53, the preservation number is CCTCC NO: M 2024460, the preservation unit is China Center for Type Culture Collection, and the preservation time is March 11, 2024. The bifidobacterium animalis subsp. Lactis BA-C53 can effectively improve the steady state of intestinal flora of a mouse with osteoporosis induced by estrogen deficiency, so that the relative abundance of phylum firmicalis and phylum actinomycetes is increased, the relative abundance of phylum bacteroides is reduced, and then short-chain fatty acid is generated to activate intestinal immunity and maintain the integrity of an intestinal barrier, so that the osteoporosis caused by estrogen deficiency is inhibited. Meanwhile, osteoclast differentiation can be inhibited by regulating NFATC1, RANKL and OPG pathways, then osteoporosis is relieved, and the compound can be widely applied to preparation of food and drugs.

The invention discloses stem cell freeze-dried powder for promoting skin healing and a preparation method of the stem cell freeze-dried powder. The freeze-dried powder comprises an effective component, a freeze-drying protective agent group and a polymer protective agent group, the effective component is umbilical cord mesenchymal stem cell conditioned medium freeze-dried supernatant, the protective agent group is selected from one or more of cane sugar, trehalose, lactose and mannitol, and the polymer protective agent group is selected from one or more of polyvinylpyrrolidone (PVP) and glucan. The preparation method comprises the following steps: collection of a conditioned culture medium, preparation of a freeze-drying protective agent solution, mixing treatment, low-temperature pre-freezing and freeze-drying, collection and packaging of freeze-dried powder and the like. The method can effectively retain stem cell-derived active factors and enhance the stability and redissolvability of the freeze-dried powder, and is suitable for skin wound repair, regenerative medicine and other scenes.

The present disclosure relates to antibodies and antibody conjugates that selectively bind to TROP2 and its isoforms and homologs, and compositions comprising the antibodies and antibody conjugates. Also provided are methods of using the antibodies and compositions, such as therapeutic and diagnostic methods.

Disclosed herein are dosage forms comprising a VAV1 degrader. More specifically, disclosed herein are dosage forms comprising 3-(2-chloro-4'-(2-oxopyridin-1(2H)-yl)-[1,1'- biphenyl]-3-yl)piperidine-2,6-dione or a pharmaceutically acceptable salt thereof. These dosage forms are useful, e.g., for treating a subject (e.g., a human subject) having a disorder or disease that can be treated by reducing the level of VAV1, for example an inflammatory or autoimmune disorder, a transplantation setting disorder, or a cancer.

The Human Immunodeficiency Virus (HIV) infection and recurrent infection prevention mRNA vaccine comprising epitopes of HIV-1 and HIV-2 viruses and their corresponding Nef proteins.

The application relates to the technical field of traditional Chinese medicines, in particular to a uric acid reducing composition and a preparation method thereof. The uric acid reducing composition comprises 35-45 parts of a cyclodextrin inclusion compound, 25-35 parts of nano-liposomes, 20-30 parts of a chicory extract-phospholipid complex and 5-8 parts of an antioxidant complex; the preparation method of the cyclodextrin inclusion compound comprises the following steps: step 1, adding beta-cyclodextrin into water, stirring and dissolving, adding pueraria extract, drying after inclusion reaction, and obtaining inclusion compound a; step 2, adding hydroxypropyl-gamma-cyclodextrin into water, stirring, adding mulberry leaf extract, drying after inclusion, and obtaining inclusion compound b; and step 3, mixing the inclusion compound a and the inclusion compound b, and obtaining the product. The uric acid reducing composition can more comprehensively and efficiently reduce blood uric acid level, and has high safety, high stability and high bioavailability. The preparation method is simple, easy to industrialize and beneficial to large-scale industrial production.

A Bifidobacterium animalis subsp. lactis for reducing Abeta42 deposition and an application, a name of the Bifidobacterium animalis subsp. lactis is Bifidobacterium animalis subsp. lactis IOB-LO7, and classified as Bifidobacterium animalis subsp. lactis, the Bifidobacterium animalis subsp. lactis IOB-LO7 is preserved in the General Microbiology Center of the China General Microbiological Culture Collection Center (CGMCC) on Dec. 23, 2021, with the collection number of CGMCC No. 24185. By reducing the levels of Aβ42 in the cerebral cortex and hippocampus, clearing Aβ amyloid plaques, improving communication between neurons, reducing brain neuroinflammation, and protecting nerve cells, it helps to restore cognitive function and improve Alzheimer's disease. Additionally, it can also improve gut microbiota imbalance caused by Alzheimer's disease.

This invention discloses a pH-sensitive curcumin nanoliposome, its preparation method, and its applications. The preparation method includes the following steps: dissolving 1,2-dioleoyl-SN-glycerol-3-phosphoethanolamine, cholesterol succinate monoester, cholesterol, pH-sensitive material, and curcumin in an alcohol solvent to obtain an inner-phase alcohol solution; dissolving a lyophilization protectant in water to obtain an outer-phase aqueous solution; the inner-phase alcohol solution is compressed by the outer-phase aqueous solution to form a laminar flow and diffuses into the aqueous phase to form a narrow mixed solvent region. When the ethanol content in the mixed solvent region is lower than the ethanol content required for the original substances to dissolve in the ethanol phase, the lipids will self-assemble to form liposomes. The liposomes prepared by this invention have a spherical morphology, controllable size, and sustained-release properties in vitro, showing good application prospects as anti-tumor drug carriers in the field of drug delivery.

The invention discloses combined probiotics for improving sarcopenia as well as a preparation method and application of the combined probiotics, and belongs to the field of probiotics. The invention relates to a combined probiotic for improving sarcopenia. The combined probiotic comprises a lactobacillus reuteri body, a lactobacillus johnsonii body, a lactobacillus fermentum body and a bifidobacterium adolescentis body. The combined probiotics disclosed by the invention can be used for remarkably improving the overall symptoms of sarcopenia model mice, including inhibiting weight loss, constipation symptoms and colonic mucosa destruction, prolonging load swimming time, improving muscle endurance, improving skeletal muscle atrophy, improving the expression of I-type slow muscle fiber protein MyHC I and promoting slow muscle fiber repair, and has the effects of preventing and treating sarcopenia. The invention discloses a probiotic intervention method for treating sarcopenia, which comprises the following steps of: preparing probiotics for treating sarcopenia, reducing the content of inflammatory cytokines in muscular tissues, increasing the content of hepatic glycogen, improving systematic metabolism of mice with sarcopenia and damaged serum markers, including lactic acid, lactic dehydrogenase, creatine kinase, creatinine, alanine transaminase ALT and aspartate transaminase AST, providing a new scheme for probiotic intervention for sarcopenia, and being used for preparing related functional products or intervention means.

The disclosure relates to block copolymer nanoparticles for therapeutic delivery of nucleotides, and methods therefor. More particularly, the invention relates to polymer nanoparticles, such as reversible addition-fragmentation chain transfer (RAFT) polymer compositions, for delivering miRNAs.

The invention discloses a core-shell nano-enzyme composite spray gel dressing and a preparation method and application thereof.The dressing comprises a component A prepared from sodium alginate, N-isopropylacrylamide PNIPAM, core-shell nano-enzyme and curcumin and a component B of a divalent metal salt solution, and the component A and the component B are sprayed at the same time to form the core-shell nano-enzyme composite spray gel dressing. The preparation method of the core-shell nano enzyme comprises the following steps: mixing potassium ferrocyanide, ferric trichloride and polyvinylpyrrolidone to obtain a Prussian blue nano particle precursor solution; carrying out ultrasonic emulsification treatment and replacement on the curcumin core solution and the Prussian blue nanoparticle precursor solution; and freeze-drying to obtain the core-shell nano-enzyme. Through rapid ionic crosslinking of sodium alginate and divalent metal ions and the temperature-sensitive phase change characteristic of the temperature-sensitive polymer poly (N-isopropylacrylamide), the gel dressing is rapidly formed, the damaged skin is effectively covered and protected, the excellent antioxidant, anti-inflammatory and antibacterial capabilities are achieved, and the healing cycle of the radiodermatitis wound can be remarkably shortened.

Disclosed are a peptide amide compound composition, a preparation method therefor and medical use thereof. Specifically, the composition contains a compound of formula (I) and pH regulators, and the pH of the solution thereof is 3-5.5. The composition is stable and requires few excipients, and is stable in clinical use. The composition is used for treating or preventing a disease or condition associated with kappa opioid receptors

Provided are pharmaceutical formulations comprising a recombinant acid α-glucosidase, wherein the recombinant acid α-glucosidase is expressed in Chinese hamster ovary (CHO) cells and comprises an increased content of N-glycan units bearing one or two mannose-6-phosphate residues when compared to a content of N-glycan units bearing one or two mannose-6-phosphate residues of alglucosidase alfa; at least one buffer selected from the group consisting of a citrate, a phosphate and combinations thereof; and at least one excipient selected from the group consisting of mannitol, polysorbate 80, and combinations thereof, wherein the formulation has a pH of from about 5.0 to about 7.0. Also provided are methods of treating Pompe disease using these pharmaceutical formulations.

The invention discloses a micro-fluidic chip, a drug-loaded microsphere, a drug-loaded microneedle and a drug-loaded microneedle patch, belongs to the technical field of drug delivery systems, particularly relates to the field of drug-loaded microneedle patches based on a micro-fluidic technology, and is particularly used for realizing collaborative treatment of acupoint stimulation and drug sustained release. The problems that in the prior art, an existing medicine carrying microsphere preparation method is uneven in particle size, high in medicine burst release rate and low in encapsulation efficiency, traditional acupuncture treatment operation dependence is high, and acupuncture point stimulation and medicine slow release cannot be coordinated are solved. The drug-loaded microneedle patch comprises a medical stainless steel main needle group, a hydrogel drug-loaded auxiliary needle group and an adhesive tape. The micro-fluidic chip, the drug-loaded microsphere, the drug-loaded microneedle and the drug-loaded microneedle patch are suitable for realizing synergistic interaction of drug sustained release and acupoint stimulation.