A size-controllable mxene@bsa nano-therapeutic agent and its preparation and application
A nano-size technology, applied in the field of biomedical nanomaterials, can solve the problems of poor penetration matching and high biological toxicity, and achieve the effects of easy functionalization, good biocompatibility, and widening the response range
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Embodiment 1
[0049] Weigh 1g LiF, slowly add it into 30mL of 9M HCl solution, keep stirring for 20min, then slowly add 0.8gTi 3 AlC 2 , Stirring was continued at 30°C for 30h.
[0050] The solid obtained from the above reaction was repeatedly centrifuged and washed with water until the pH of the supernatant after centrifugation was ≥ 6. The solid was collected in a vacuum drying oven and dried at 60°C for 24 hours to obtain a multilayer Ti 3 C 2 Material is solid.
[0051] Add 0.8g multilayer Ti to 150mL water 3 C 2 The material was placed in a JT-240T ultrasonic cleaner (40KHz, 150W), and after ultrasonic treatment for 4h under argon protection, it was centrifuged at a speed of 3000r / min for 1.5h, and the dark supernatant was collected to obtain a thin layer of MXene (Ti 3 C 2 ) solution, denoted as TM-1, the concentration of the measured solution is 6mg / mL.
[0052] Measure 6mL thin layer MXene (Ti 3 C 2 ) solution, using a SONICS VCX130PB / VCX130 ultrasonic probe crusher, crushi...
Embodiment 2
[0058] Weigh 1.6g LiF, slowly add it into 20mL of 9M HCl solution, keep stirring for 30min, then slowly add 1.0g Ti 3 AlC 2 , Stirring was continued at 45°C for 24h.
[0059] The solid obtained from the above reaction was repeatedly centrifuged and washed with water until the pH of the supernatant after centrifugation was ≥ 6. The solid was collected in a vacuum drying oven and dried at 60°C for 24 hours to obtain a multilayer Ti 3 C 2 Material is solid.
[0060] Add 0.8g multilayer Ti to 200mL water 3 C 2 The material was placed in a JT-240T ultrasonic cleaner (40KHz, 150W), and after ultrasonic treatment for 3h under argon protection, it was centrifuged at a speed of 3500r / min for 1h, and the dark supernatant was collected to obtain a thin layer of MXene (Ti 3 C 2 ) solution, denoted as TM-2, the concentration of the measured solution is 5mg / mL.
[0061] Measure 5mL thin layer MXene (Ti 3 C 2 ) solution, using a SONICS VCX130PB / VCX130 ultrasonic probe crusher, crush...
Embodiment 3
[0067] Weigh 0.8g LiF, slowly add it into 10mL of 9M HCl solution, keep stirring for 10min, then slowly add 0.5Ti 3 AlC 2 , Stirring was continued at 50°C for 30h.
[0068]The solid obtained from the above reaction was repeatedly centrifuged and washed with water until the pH of the supernatant after centrifugation was ≥ 6. The solid was collected in a vacuum drying oven and dried at 60°C for 36 hours to obtain a multilayer Ti 3 C 2 Material is solid.
[0069] Add 0.4g multilayer Ti to 100mL water 3 C 2 The material was placed in a JT-240T ultrasonic cleaner (40KHz, 150W), and after ultrasonic treatment for 5h under argon protection, it was centrifuged at a speed of 3500r / min for 1h, and the dark supernatant was collected to obtain a thin layer of MXene (Ti 3 C 2 ) solution, denoted as TM-3, the concentration of the measured solution is 3mg / mL.
[0070] Measure 3mL thin layer MXene (Ti 3 C 2 ) solution, using a SONICS VCX130PB / VCX130 ultrasonic probe crusher, crushing...
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