Preparation of Composite Glass Nanopores and Its Application to Biomolecular Detection
A technology of nano-channels and composite glass, which is applied in nano-medicine, nano-technology, nano-technology, etc., can solve the problems of high cost, complex detection instruments, and unfavorable popularization. Effect
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[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0037] Step 1: Prepare glass nanopores; the operation method is as follows:
[0038] ①Take a glass tube whose specification is outer diameter: 1.2mm; inner diameter: 0.6mm; length: 10mm;
[0039] ② Place the glass tube in concentrated sulfuric acid (H 2 SO 4 ), hydrogen peroxide (H 2 o 2 ) mixed solution, ultrasonic for about 15min. Rinse with high-purity water and ethanol, and then place it in high-purity water for later use;
[0040]③Clamp out the cleaned glass tube with tweezers, rinse it with ethanol, and dry it with nitrogen, and set it aside;
[0041] ④Then draw the glass tube into a glass nanochannel with a suitable pore size on a glass tube drawing machine with certain parameters (the parameters are shown in Table 1 above). The nanopore size obtained...
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