Gold-core/platinum-shell nano bar analogue enzyme solution and preparation method thereof
A technology of gold nanorods and nanorods, which is applied in the field of nanorod simulated enzyme solution and its preparation, to achieve the effects of mild reaction conditions, simple operation and high repeatability
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Embodiment 1
[0034] Preparation of a gold nucleus / platinum nano -nanos analog enzyme solution, the preparation steps are as follows:
[0035] 1. Preparation of gold crystal solution
[0036]Take a 7.5ml concentration of 0.1m hexishlanelxyl tricehydramium bromide water solution, add a tetrachloride solution with a 100.4 μl concentration of 24.7mm to it, and then dilute the volume to 9.4ml after mixing.Add a sodium -hydride aquatic solution with a 0.6ml concentration of 0.01m (temporarily prepared and placed in ice water before use) to make the first mixed solution.The amount of material ratio of tetrachloride and sodium sodium -hydride = 0.75: 0.0025: 0.006; stop after stirring for three minutes, and settle for 2 hours to obtain a gold crystal solution containing gold crystal species.It is 0.25mm;
[0037] 2. Preparation nanoscope solution
[0038] Take a hexishllar bromide aquatic solution with a 100ml concentration of 0.1m, add a 2.05ml concentration of 24.7mm tetrachloride solution to it. Th...
Embodiment 2
[0049] Preparation of a gold nucleus / platinum nano -nanos analog enzyme solution, the preparation steps are as follows:
[0050] 1. Preparation of gold crystal solution:
[0051] Take a 7.5ml concentration of 0.1m hexishlanelxyl tricehydramium bromide water solution, add a tetrachloride solution with a 100.4 μl concentration of 24.7mm to it, and then dilute the volume to 9.4ml after mixing.Add a sodium -hydride aquatic solution with a 0.6ml concentration of 0.01m (temporarily prepared and placed in ice water before use) to make the first mixed solution.The amount of material ratio of tetrachloride and sodium sodium hydride = 0.75: 0.0025: 0.006; stop after stirring for three minutes, and set it for 3 hours to obtain the gold crystal solution containing gold crystal species.It is 0.25mm;
[0052] 2. Preparation nanoscope solution:
[0053] Take a hexishllar bromide aquatic solution with a 100ml concentration of 0.1m, add a 2.05ml concentration of 24.7mm tetrachloride solution to it...
Embodiment 3
[0064] Preparation of a gold nucleus / platinum nano -nanos analog enzyme solution, the preparation steps are as follows:
[0065] 1. Preparation of gold crystal solution:
[0066] Take a 7.5ml concentration of 0.1m hexishlanelxyl tricehydramium bromide water solution, add a tetrachloride solution with a 100.4 μl concentration of 24.7mm to it, and then dilute the volume to 9.4ml after mixing.Add a sodium -hydride aquatic solution with a 0.6ml concentration of 0.01m (temporarily prepared and placed in ice water before use) to make the first mixed solution.The amount of material ratio of tetrachloride and sodium boroside = 0.75: 0.0025: 0.006; stop after stirring for three minutes, and settle for 5 hours to obtain a gold crystal solution containing gold crystal species.It is 0.25mm;
[0067] 2. Preparation nanoscope solution:
[0068] Take a hexishllar bromide aquatic solution with a 100ml concentration of 0.1m, add a 2.05ml concentration of 24.7mm tetrachloride solution to it. The 1m...
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