Daomei Chen, Guo Xiao, Jian Tang, Lixia zhao, Sicong Li, Lingli Li, Bin Li, Tao Lei, Jiaqiang Wang
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Cu2O/SBA-3 Possess Intrinsic High Protease-Like Activity for Efficient Hydrolysis of Protein Under Physiological Conditions
Developing efficient artificial proteases still remains a great challenge due to the high stability of peptide bonds. Nanozymes have attracted great attention for their high stability, low cost and inherent physicochemical properties, providing new opportunities to break through natural enzyme inherent limitations, but the intrinsic mimic proteases properties of nanomaterials were seldom explored. Herein, we describe for the first time that SBA-3 supported Cu2O (Cu2O/SBA-3) exhibited excellent protease-like activity to hydrolysis of bovine serum albumin (BSA) and casein under neutral conditions, which is even superior to natural proteases (trypsin) and most of the other protease mimics under identical conditions. It exhibited surprisingly high catalytic activity and possessed good stability. As the first example of protease mimics consist of metallic compounds and mesoporous materials, Cu2O/SBA-3 has many advantages, such as easy preparation and separation, high activity and stability, mild reaction conditions, which makes this catalytic system have multiple of potential applications in biological systems.
期刊介绍:
Catalysis Letters aim is the rapid publication of outstanding and high-impact original research articles in catalysis. The scope of the journal covers a broad range of topics in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis.
The high-quality original research articles published in Catalysis Letters are subject to rigorous peer review. Accepted papers are published online first and subsequently in print issues. All contributions must include a graphical abstract. Manuscripts should be written in English and the responsibility lies with the authors to ensure that they are grammatically and linguistically correct. Authors for whom English is not the working language are encouraged to consider using a professional language-editing service before submitting their manuscripts.