Aptamer 1, 5′ -P-ACT CAC TAT/ra/GGA AGAGAT GAA AAA AAA AA-NH2-3′.
Aptamer 2, 5′-CATCTCTTCTCCGAGCCGGTCGAA ATA GTG AGT-P-3.′
The design mentioned above of the accounting adaptation sequence was synthesized by Bioengineering (Shanghai, China) Co., Ltd., purified by HPLC and verified by mass spectrometry. Sodium dodecyl sulfonate (SDS) was ordered to Sigma, polystyrene (P.S.) nanoparticles were ordered to Suzhou Derivative Biotechnology Co., Ltd. (Suzhou, China), dichloromethane was ordered to Aladdin Reagent (Shanghai, China) Co., Ltd., tetrastyrene monoquaternary ammonium salt (DSAI) was purchased from Xi’an Qiyue Biotechnology Co., Ltd. (Xi’an, China), polyethylene glycol (PEG) was purchased from Beijing Bailingwei Biotechnology Co., Ltd. (Beijing, China) A 0.22 μm water filter was purchased from Changde Bickerman Biotechnology Co., Ltd. (Changde, China), and Zr-MOFs/PCN-222 was purchased from Xi’an Qiyue Biotechnology Co., Ltd. (Xi’an, China).