A kind of double recognition site glycoprotein surface imprinted nanomaterial and its preparation method and application
A nanomaterial, surface imprinting technology, applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of cumbersome preparation process, poor adsorption effect of boron affinity recognition, etc., achieve easy availability of raw materials, and achieve selective affinity. Recognition, Inexpensive Effects
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Embodiment 1
[0046](1) Preparation of polyglycidyl methacrylate (PSG) nanoparticle dispersion:
[0047]Add 1.5 mL GMA, 0.05 mL DVB, and 0.2 mL St into a 250 mL three-necked flask, then add 100 mL of double distilled water and insert a thermometer and nitrogen conduit, and continue to stir and heat under a nitrogen atmosphere. When the temperature reached 71 ℃, 1.5 mL of 0.03 g / mL potassium persulfate solution was added to initiate polymerization and react for 6.0 h. After the reaction, the product was separated by centrifugation and washed with ethanol and double-distilled water for three times, and then the product was dispersed in 100 mL of double-distilled water to obtain a polyglycidyl methacrylate (PSG) nanoparticle dispersion liquid, which is ready for use.
[0048](2) Surface chelated Cu2+Polyglycidyl methacrylate nanoparticles (PSG / IDA-Cu2+) Preparation:
[0049]Add 1.0 g IDA and 1.0 g NaOH to a 250 mL three-necked flask, and then add 100 mL of the polyglycidyl methacrylate (PSG) nanoparticle dis...
Embodiment 2
[0057](1) Preparation of polyglycidyl methacrylate (PSG) nanoparticle dispersion:
[0058]Add 2.348 mL GMA, 0.064 mL DVB, and 0.46 mL St into a 250 mL three-necked flask, then add 100 mL of double distilled water and insert a thermometer and nitrogen conduit, and continue to stir and heat under a nitrogen atmosphere. When the temperature reached 71 ℃, 2.0 mL of 0.03g / mL potassium persulfate solution was added to initiate polymerization and react for 8.0 h. After the reaction, the product was separated by centrifugation, and the product was washed three times with ethanol and double-distilled water, then the product was dispersed in 100 mL of double-distilled water, separated, and the product was washed three times with ethanol and double-distilled water, and then the product Disperse in 100 mL of double distilled water to obtain polyglycidyl methacrylate (PSG) nanoparticle dispersion, which is ready for use.
[0059](2) Surface chelated Cu2+Polyglycidyl methacrylate nanoparticles (PSG / IDA...
Embodiment 3
[0064](1) Preparation of polyglycidyl methacrylate (PSG) nanoparticle dispersion:
[0065]Add 3.0 mL GMA, 1.0 mL DVB, and 0.6 mL St into a 250 mL three-necked flask, then add 100 mL of double distilled water and insert a thermometer and nitrogen conduit, and continue to stir and heat under a nitrogen atmosphere. When the temperature reached 71 ℃, 2.5 mL of 0.03 g / mL potassium persulfate solution was added to initiate polymerization and react for 9.0 h. After the reaction, the product was separated by centrifugation and washed with ethanol and double-distilled water for three times, and then the product was dispersed in 100 mL of double-distilled water to obtain a polyglycidyl methacrylate (PSG) nanoparticle dispersion, which was used for later use.
[0066](2) Surface chelated Cu2+Polyglycidyl methacrylate nanoparticles (PSG / IDA-Cu2+) Preparation:
[0067]Add 2.5 g IDA and 1.5 g NaOH to a 250 mL three-necked flask, and then add 100 mL of the polyglycidyl methacrylate (PSG) nanoparticle dispe...
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