Magnetism, pH (potential of hydrogen) and temperature co-stimulation response hydrogel pre-radiation synthetic method
A technology of synergistic stimulation and synthesis method, applied in the field of nuclear biology, can solve the problems of slow response rate of stimuli responsiveness, achieve the effect of non-toxic irradiation technology, maintain constant blood drug concentration, and reduce toxic and side effects
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0025] Inject a quantitative amount of N-ethylmorpholine methacrylate (MEMA) (20.0wt%) into a PE sealed bag (thickness about 2mm), pass nitrogen gas for 0.5h, and place it under an electron beam for radiation crosslinking reaction, The selected electron beam energy is 1MeV, the radiation dose is 5kGy, and the dose rate is 5kGy / pass, and the obtained product is the PMEMA prepolymer. Utilize ultrasound, according to a certain proportion of polyvinyl alcohol (PVA) (2.0wt%), carboxymethyl chitosan (CTS) (5.0wt%), iminodiacetic acid (0.1%), BiFeO 4 (0.5wt%) and deionized water were put into a three-necked flask, heated at 95°C, stirring at a rate of 150r / min, for 0.5h to form a uniform and stable solution system, and left to stand for about 2h to remove air bubbles. The resulting PVA, CTS, BiFeO 4 The mixed solution system was slowly added to the PMEMA prepolymer, and after ultrasonic stirring, the N 2For about 0.5 h, after static defoaming under negative pressure, inject it int...
Embodiment 2
[0028] Inject a quantitative amount of N,N-dimethylaminoethyl methacrylate (DMAEMA) (60.0wt%) into a PE sealed bag (thickness about 2mm), blow nitrogen for 2h, and place it under an electron beam for radiation crosslinking For the reaction, the selected electron beam energy is 1 MeV, the radiation dose is 40 kGy, and the dose rate is 20 kGy / pass, and the obtained product is PDMAEMA prepolymer. Using ultrasound, put a certain proportion of collagen (10.0wt%), sodium alginate (20.0wt%), triethanolamine (2.0wt%), CoFeO (0.5wt%) and deionized water into a three-necked bottle, Heat at 50°C, stir at 150r / min for 0.5h, make it uniform to form a stable solution system, and let it stand for about 2h to remove air bubbles. The mixed solution system of the obtained collagen, sodium alginate and CoFeO was slowly added to the PDMAEMA prepolymer, and after ultrasonic stirring, the N 2 For about 2 hours, after static defoaming under negative pressure, inject it into a PE sealed bag, and pla...
Embodiment 3
[0031] Inject a quantitative amount of N-isopropylacrylamide (NIPAAm) (40.0wt%) into a PE sealed bag (thickness about 2mm), pass nitrogen gas for 2h, and place it under an electron beam for radiation crosslinking reaction. Selected electron beam The energy is 1 MeV, the radiation dose is 20kGy, and the dose rate is 5kGy / pass, and the obtained product is NIPAAm prepolymer. Utilize ultrasonic waves, according to a certain proportion of polyvinyl alcohol (PVA) (5.0wt%), hydroxyhydroxypropyl cellulose (HHPC) (10.0wt%), disodium hydrogen phosphate (1.0wt%), Fe 3 o 4 (0.2wt%) and deionized water were put into a three-necked flask, heated at 85°C, stirring at a rate of 150r / min, for 1h to form a uniform and stable solution system, and left to stand for about 2h to remove air bubbles. The resulting PVA, HHPC, Fe 3 o 4 The mixed solution system of NIPAAm was slowly added to the NIPAAm prepolymer, and after ultrasonic stirring was uniform, N 2 For about 2 hours, after static defoam...
PUM
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