journal article·2020-04-15

Synthesis of Podlike Magnetic Mesoporous Silica Nanochains for Use as Enzyme Support and Nanostirrer in Biocatalysis

Tong Zhang, Biaotong Huang, Ahmed A. Elzatahry, Abdulaziz Alghamdi, Qin Yue, Yonghui Deng

ACS Applied Materials & Interfaces· Volume 12· Issue 15
Publisher page

Abstract

Magnetic mesoporous materials have attracted great interest due to their combined property of magnetic nanomaterials and mesoporous materials as well as their potential applications in catalysis, bioenrichment, drug delivery, nanoreactors, etc. In this study, one-dimensional (1D) podlike magnetic mesoporous silica nanochains with tunable hollow space (Fe3O4@nSiO2@void@mSiO2 nanochain named as podlike 1D magnetic mesoporous silica (PL-MMS) nanochain) are rationally synthesized for the first time through a controlled magnetic-induced interface coassembly approach. The obtained PL-MMS possesses a tunable diameter (300–500 nm), large and perpendicular mesopores (8.2 nm) in the outer shell, a silica-protected magnetic-responsive core, and a high surface area (325 m2/g). Benefiting from the large voids and unique mesopores, these mesoporous nanochains exhibit superior performance in enzyme (lipase with a size of 4.0 nm) immobilization with a high loading capacity of 223 μg/mg, and the immobilized lipase demonstrates enhanced catalytic activity in different pH values and temperatures as well as excellent tolerance of organic solvent.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Mesoporous Materials and Catalysis · Nanopore and Nanochannel Transport Studies · Electrochemical sensors and biosensors

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry, Department of Gastroenterology and Hepatology, Zhongshan Hospital, Institute of Biomedical Sciences, Fudan University, Shanghai 200433, China

Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610051, China

Institute of Translational Medicine, Shanghai University, Shanghai 200444, China

Materials Science and Technology Program, College of Arts and Sciences, Qatar University, P.O. Box 2713, Doha, Qatar

Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia

State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China

Funding

Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · the state key laboratory of Transducer Technology of China · Key Basic Research Program of Science and Technology Commission of Shanghai Municipality · Program of Shanghai Academic Research Leader

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