Preparation method of hydrogel nanoparticles capable of adsorbing melittin and detection method of affinity of hydrogel nanoparticles
A nanoparticle and detection method technology, applied in color/spectral characteristic measurement, medical preparations with non-active ingredients, medical preparations containing active ingredients, etc., can solve the preparation and affinity detection methods that have not been reported in the literature, etc. Problems, to achieve the realization of green environmental protection, obvious adsorption effect, good stability effect
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Embodiment 1
[0027] (1) Preparation of hydrogel nanoparticles:
[0028] Dissolve 0.45g of DEA, 0.05g of AAc, 0.025g of cross-linking agent N, N'-methylenebisacrylamide, 0.025g of emulsifier sodium lauryl sulfate in 50mL of ultrapure water, and blow nitrogen gas at room temperature to remove Oxygen, magnetic stirring, the reaction temperature was raised to 70 ° C, kept for 30 min while maintaining a nitrogen atmosphere, 0.0025 g of initiator ammonium persulfate was added, and the reaction was continued for 4 h. Then soak the obtained reactant in ultrapure water and dialyze for 7 days, change the water once a day, remove the residual reaction raw materials and the electrolyte in the reaction system, and obtain the product.
[0029] (2) Hemolytic neutralization test of hydrogel nanoparticles adsorbing melittin:
[0030] Prepare 6% red blood cell solution, take 100 μL and mix it with 70 μL NPs (wherein the concentration of NPs is adjusted to five groups of 5, 10, 50, 100, 500 μg / mL, and the m...
Embodiment 2
[0032] (1) Preparation of hydrogel nanoparticles:
[0033] Dissolve 0.40g of DEA, 0.10g of AAc, 0.025g of cross-linking agent N, N'-methylenebisacrylamide, 0.025g of emulsifier sodium lauryl sulfate in 50mL of ultrapure water, and blow nitrogen gas at room temperature to remove Oxygen, magnetic stirring, the reaction temperature was raised to 70 ° C, kept for 30 min while maintaining a nitrogen atmosphere, 0.0025 g of initiator ammonium persulfate was added, and the reaction was continued for 4 h. Then soak the obtained reactant in ultrapure water and dialyze for 7 days, change the water once a day, remove the residual reaction raw materials and the electrolyte in the reaction system, and obtain the product.
[0034] (2) Hemolytic neutralization test of hydrogel nanoparticles adsorbing melittin:
[0035] Prepare 6% red blood cell solution, take 100 μL and mix it with 70 μL NPs (wherein the concentration of NPs is adjusted to five groups of 5, 10, 50, 100, 500 μg / mL, and the m...
Embodiment 3
[0037] (1) Preparation of hydrogel nanoparticles:
[0038] Dissolve 0.35g of DEA, 0.15g of AAc, 0.025g of cross-linking agent N, N'-methylenebisacrylamide, 0.025g of emulsifier sodium lauryl sulfate in 50mL of ultrapure water, and blow nitrogen gas at room temperature to remove Oxygen, magnetic stirring, the reaction temperature was raised to 70 ° C, kept for 30 min while maintaining a nitrogen atmosphere, 0.0025 g of initiator ammonium persulfate was added, and the reaction was continued for 4 h. Then soak the obtained reactant in ultrapure water and dialyze for 7 days, change the water once a day, remove the residual reaction raw materials and the electrolyte in the reaction system, and obtain the product.
[0039] (2) Hemolytic neutralization test of hydrogel nanoparticles adsorbing melittin:
[0040] Prepare 6% red blood cell solution, take 100 μL and mix it with 70 μL NPs (wherein the concentration of NPs is adjusted to five groups of 5, 10, 50, 100, 500 μg / mL, and the mon...
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