Tumor-targeted sound and light power medicine-carrying nanometer nano-micelle, and preparation method and purpose thereof
A drug-loaded nanometer and photodynamic technology, applied in the field of medicine, can solve the problems of increasing the suffering and danger of patients, prone to phototoxic reactions, and wide application limitations, and achieves non-immunogenicity, low preparation cost, and high cytotoxicity. Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0067] 1. Synthesis of doxorubicin / hematoporphyrin nanocomplex (HPD)
[0068] ① Disperse 20 mg of hematoporphyrin (HP, American Strem Chemicals Company) in 10 ml of methanol solution at a concentration of 1 mg / ml, and stir at a speed of 800 rpm for 12 h under strict light-proof conditions to obtain HP dark brown nano-aggregates. Dynamic laser scattering method The detected particle size is 31.2nm, and its transmission electron microscope photo is shown in figure 2 .
[0069] ② Disperse 5 mg of doxorubicin (DOX, Dalian Meilun Biotechnology Co., Ltd.) in 5 ml of methanol solution to make the concentration 1 mg / ml, add 3 times the equivalent of triethylamine and protect from light at 4 °C and 800 rpm Stir for 12h for desalination treatment.
[0070] ③The above DOX solution was slowly added dropwise to the HP solution, and stirred at 800rpm in the dark for 24 hours to obtain a methanol dispersion system of the HPD nanocomposite. The particle size was 68.3nm as detected by the d...
Embodiment 2
[0098] 1. Synthesis of epirubicin / protoporphyrin nanocomplex (PPE)
[0099] ① Disperse 25 mg of protoporphyrin IX (PP, Beijing Bailingwei Technology Co., Ltd.) in 10 ml of methanol solution at a concentration of 2.5 mg / ml, stir at a speed of 800 rpm for 12 h under strict dark conditions, and obtain dark brown PP nano-aggregates. TEM photo see Figure 19 .
[0100] ② Disperse 10 mg of epirubicin (EPB, Dalian Meilun Biotechnology Co., Ltd.) in 5 ml of methanol solution to make the concentration 2 mg / ml, add 3 times the equivalent of triethylamine and avoid Light stirring for 12h, desalination treatment.
[0101] ③The above EPB solution was slowly added dropwise to the PP solution, and stirred at a speed of 800rpm in the dark for 24 hours to obtain a methanol dispersion system of PPE nanocomposites. The particle size detected by the dynamic laser scattering method was 40.6nm. TEM pictures of PPE nanocomposites are shown in Figure 20 .
[0102] 2. Preparation of PEG-PLGA nan...
Embodiment 3
[0108] 1. Synthesis of daunorubicin / hypericin nanocomposite
[0109] ① Disperse 25mg of hypericin (Beijing Bailingwei Technology Co., Ltd.) in 10ml of methanol at a concentration of 2.5mg / ml, and stir at 800rpm for 12h under strict dark conditions.
[0110] ② Disperse 10 mg of daunorubicin (Dalian Meilun Biotechnology Co., Ltd.) in 5 ml of methanol solution to make the concentration 2 mg / ml, add 3 times the equivalent of triethylamine and stir in the dark at 4 ° C and 800 rpm 12h, carry out desalination treatment.
[0111] ③ Add the above-mentioned hypericin methanol solution dropwise to the daunorubicin solution, and stir at 800rpm in the dark for 24 hours to obtain a methanol dispersion system of the nanocomposite. The particle size detected by the dynamic laser scattering method is 35.7nm.
[0112] 2. Preparation of Pluronic F127 nanomicelles loaded with daunorubicin / hypericin nanocomposite
[0113] ①Dissolve 150mg of Pluronic F127 (BASF, Germany) in 50ml of methanol solu...
PUM
Property | Measurement | Unit |
---|---|---|
wavelength | aaaaa | aaaaa |
particle diameter | aaaaa | aaaaa |
particle diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com