Preparation method for gold nanorods
A technology of gold nanorods and chloroauric acid, applied in the direction of nanotechnology, nanotechnology, metal processing equipment, etc., can solve the problems of controllable synthesis of gold nanorods, cytotoxicity, etc., and achieve long reaction cycle and no cell Effects of toxicity and mild reaction conditions
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Embodiment 1
[0030] Embodiment 1, the preparation method of gold nanorods in the present embodiment is accomplished through the following steps:
[0031] (1) Prepare a Pluronic P123 sample with a concentration of 0.5w.t.%. Prepare 35mM LiOH aqueous solution for later use.
[0032] (2) Take 4 mL of Pluronic P123 aqueous solution with a concentration of 0.5w.t.%, add 4 μL of LiOH aqueous solution prepared above, mix well and measure the pH value to be 7. Heat in a constant temperature water bath for 30 min, and set the temperature at 40°C.
[0033] (3) Quickly inject 0.4mL tetrachloroauric acid solution with a concentration of 1.2mM into the above solution with a pipette gun, mix with a vortex mixer for 10 seconds, and continue heating at 40°C until the reaction is complete, and the reaction time is 3 hours . The average particle size of the obtained gold nanorods is 15.4nm×34.6nm, which is equivalent to the particle size of the gold nanorods prepared by the traditional method, but the re...
Embodiment 2
[0034] Embodiment 2, the preparation method of gold nanorods in the present embodiment is accomplished through the following steps:
[0035] (1) Prepare a Pluronic P123 sample with a concentration of 0.5w.t.%, and prepare a 35mM LiOH aqueous solution for later use.
[0036] (2) Take 4 mL of Pluronic P123 aqueous solution with a concentration of 0.5w.t.%, add 4 μL of LiOH aqueous solution prepared above, mix well and measure the pH value to be 7. Heat in a constant temperature water bath for 30 min, and set the temperature at 40°C.
[0037] (3) Quickly inject 0.4mL of sodium chloroaurate solution with a concentration of 1.2mM into the above solution with a pipette gun, mix with a vortex mixer for 10 seconds, and continue heating at 40°C until the reaction is complete, and the reaction time is 3 hours . The average particle size of the obtained gold nanorods is 15.2nm×36.5nm, which is equivalent to the particle size of the gold nanorods prepared by the traditional method, but ...
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