A preparation method for changing the aspect ratio of gold nanorods and reducing their cytotoxicity
A technology of gold nanorods and cytotoxicity, which is applied in the research field of nano-gold materials, can solve problems such as complex systems and insufficient mild conditions, and achieve the effect of reducing cytotoxicity
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Embodiment 1
[0026] A. Put 4.875 mL of CTAB solution with a concentration of 0.1 mol / L into a reactor with a heating and stirring device, and add 125 μL of chloroauric acid solution with a concentration of 0.01 mol / L while stirring at a temperature of 25 ° C, and then Quickly add 300 μL of sodium borohydride solution with a concentration of 0.01mol / L at 0°C, stir for 2 minutes and let stand for 1.5 hours for later use;
[0027] B. Take 9.5 mL of CTAB solution with a concentration of 0.1 mol / L and add it to the glass reactor, add 80 μL of silver nitrate solution with a concentration of 0.01 mol / L, 500 μL of chloroauric acid solution with a concentration of 0.01 mol / L and 55 μL of 0.1 mol / L of ascorbic acid solution.
[0028] C. Take 12 μL of the solution prepared in step A and add it to the reaction solution in step B, make it fully mixed and let it stand at 28°C to react to prepare CTAB-protected gold nanorods;
[0029] D. Add 200 μL of non-ionic fluorosurfactant FSN with a mass concen...
Embodiment 2
[0032] A. Put 4.875 mL of CTAB solution with a concentration of 0.1 mol / L into a reactor with a heating and stirring device, and add 125 μL of chloroauric acid solution with a concentration of 0.01 mol / L while stirring at a temperature of 25 ° C, and then Quickly add 300 μL of sodium borohydride solution with a concentration of 0.01mol / L at 0°C, stir for 2 minutes and let stand for 1.5 hours for later use;
[0033] B. Take 50 mL of CTAB solution with a concentration of 0.1 mol / L and add it to the glass reactor, add 526 μL of silver nitrate solution with a concentration of 0.01 mol / L, 2.63 mL of chloroauric acid solution with a concentration of 0.01 mol / L and 316 μL with a concentration of 0.1 mol / L / L of ascorbic acid solution.
[0034] C. Take 63 μL of the solution prepared in step A and add it to the reaction solution in step B, make it fully mixed and let it stand at 28°C to react to prepare CTAB-protected gold nanorods;
[0035] D. Add 102 μL of non-ionic fluorosurfact...
Embodiment 3
[0038] A. Put 5 mL of CTAB solution with a concentration of 0.1 mol / L into a reactor with a heating and stirring device, and add 150 μL of sodium chloroaurate solution with a concentration of 0.012 mol / L while stirring at a temperature of 25 ° C, and then Quickly add 350 μL of sodium borohydride solution with a concentration of 0.013 mol / L at 0°C, stir for 2 minutes and then let stand for 1.5 hours for later use;
[0039] B. Take 4.5 mL of CTAB solution with a concentration of 0.1 mol / L and add it to a glass reactor, add 35 μL of a silver nitrate solution with a concentration of 0.015 mol / L, 250 μL of a sodium chloroaurate solution with a concentration of 0.012 mol / L, and 20 μL of a 0.15 mol / L solution of sodium chloroaurate. L of ascorbic acid solution;
[0040] C. Take 6 μL of the solution prepared in step A and add it to the reaction solution in step B, make it fully mixed and let it stand at 28°C to react to prepare CTAB-protected gold nanorods;
[0041] D. Add 333 μL ...
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