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Khan MUA, Aslam MA, Yasin T, Abdullah MFB, Stojanović GM, Siddiqui HM, Hasan A. Metal-organic frameworks: synthesis, properties, wound dressing, challenges and scopes in advanced wound dressing. Biomed Mater 2024; 19:052001. [PMID: 38976990 DOI: 10.1088/1748-605x/ad6070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Accepted: 07/08/2024] [Indexed: 07/10/2024]
Abstract
Wound healing is a critical but complex biological process of skin tissue repair and regeneration resulting from various systems working together at the cellular and molecular levels. Quick wound healing and the problems associated with traditional wound repair techniques are being overcome with multifunctional materials. Over time, this research area has drawn significant attention. Metal-organic frameworks (MOFs), owning to their peculiar physicochemical characteristics, are now considered a promising class of well-suited porous materials for wound healing in addition to their other biological applications. This detailed literature review provides an overview of the latest developments in MOFs for wound healing applications. We have discussed the synthesis, essential biomedical properties, wound-healing mechanism, MOF-based dressing materials, and their wound-healing applications. The possible major challenges and limitations of MOFs have been discussed, along with conclusions and future perspectives. This overview of the literature review addresses MOFs-based wound healing from several angles and covers the most current developments in the subject. The readers may discover how the MOFs advanced this discipline by producing more inventive, useful, and successful dressings. It influences the development of future generations of biomaterials for the healing and regeneration of skin wounds.
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Affiliation(s)
- Muhammad Umar Aslam Khan
- Department of Mechanical and Industrial Engineering, Qatar University, Doha 2713, Qatar
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
| | - Muhammad Azhar Aslam
- Department of Physics, University of Engineering and Technology, Lahore 39161, Pakistan
| | - Tooba Yasin
- Polymer Chemistry Laboratory, Department of Chemistry, Quaid-i-Azam University, 45320 Islamabad, Pakistan
| | - Mohd Faizal Bin Abdullah
- Oral and Maxillofacial Surgery Unit, School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150, Kubang Kerian, Kota Bharu, Kelantan, Malaysia
- Oral and Maxillofacial Surgery Unit, Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Health Campus, 16150, Kubang Kerian, Kota Bharu, Kelantan, Malaysia
| | - Goran M Stojanović
- Faculty of Technical Sciences, University of Novi Sad, T. D. Obradovica 6, 21000 Novi Sad, Serbia
| | | | - Anwarul Hasan
- Department of Mechanical and Industrial Engineering, Qatar University, Doha 2713, Qatar
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
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Liu Y, Yu J, Sun Y. Immobilized Dipeptidase in Manganese Ion-Loaded Polyethylenimine-Induced Calcium Phosphate Nanocrystals for Carnosine Synthesis. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:10261-10269. [PMID: 38693862 DOI: 10.1021/acs.langmuir.4c00759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
Carnosine is a natural bioactive dipeptide with important physiological functions widely used in food and medicine. Dipeptidase (PepD) from Serratia marcescens can catalyze the reverse hydrolytic reaction of β-alanine with l-histidine to synthesize carnosine in the presence of Mn2+. However, it remains challenging to practice carnosine biosynthesis due to the low activity and high cost of the enzyme. Therefore, the development of biocatalysts with high activity and stability is of significance for carnosine synthesis. Here, we proposed to chelate Mn2+ to polyethylenimine (PEI) that induced rapid formation of calcium phosphate nanocrystals (CaP), and Mn-PEI@CaP was used for PepD immobilization via electrostatic interaction. Mn-PEI@CaP as the carrier enhanced the stability of the immobilized enzyme. Moreover, Mn2+ loaded in the carrier acted as an in situ activator of the immobilized PepD for facilitating the biocatalytic process of carnosine synthesis. The as-prepared immobilized enzyme (PepD-Mn-PEI@CaP) kept similar activity with free PepD plus Mn2+ (activity recovery, 102.5%), while exhibiting elevated thermal stability and pH tolerance. Moreover, it exhibited about two times faster carnosine synthesis than the free PepD system. PepD-Mn-PEI@CaP retained 86.8% of the original activity after eight cycles of batch catalysis without the addition of free Mn2+ ions during multiple cycles. This work provides a new strategy for the co-immobilization of PepD and Mn2+, which greatly improves the operability of the biocatalysis and demonstrates the potential of the immobilized PepD system for efficient carnosine synthesis.
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Affiliation(s)
- Yujia Liu
- Department of Biochemical Engineering, School of Chemical Engineering and Technology and Key Laboratory of Systems Bioengineering and Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin University, Tianjin 300350, China
| | - Jie Yu
- Department of Biochemical Engineering, School of Chemical Engineering and Technology and Key Laboratory of Systems Bioengineering and Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin University, Tianjin 300350, China
| | - Yan Sun
- Department of Biochemical Engineering, School of Chemical Engineering and Technology and Key Laboratory of Systems Bioengineering and Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin University, Tianjin 300350, China
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Zhang Y, Zhang W, Ma G, Nian B, Hu Y. Octadecyl and sulfonyl modification of diatomite synergistically improved the immobilization efficiency of lipase and its application in the synthesis of pine sterol esters. Biotechnol J 2024; 19:e2300615. [PMID: 38472086 DOI: 10.1002/biot.202300615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 01/19/2024] [Accepted: 01/22/2024] [Indexed: 03/14/2024]
Abstract
Phytosterols usually have to be esterified to various phytosterol esters to avoid their disadvantages of unsatisfactory solubility and low bioavailability. The enzymatic synthesis of phytosterol esters in a solvent-free system has advantages in terms of environmental friendliness, sustainability, and selectivity. However, the limitation of the low stability and recyclability of the lipase in the solvent-free system, which often requires a relatively high temperature to induce the viscosity, also increased the industrial production cost. In this context, a low-cost material, namely diatomite, was employed as the support in the immobilization of Candida rugosa lipase (CRL) due to its multiple modification sites. The Fe3 O4 was also then introduced to this system for quick and simple separation via the magnetic field. Moreover, to further enhance the immobilization efficiency of diatomite, a modification strategy which involved the octadecyl and sulfonyl group for regulating the hydrophobicity and interaction between the support and lipase was successfully developed. The optimization of the ratio of the modifiers suggested that the -SO3 H/C18 (1:1.5) performed best with an enzyme loading and enzyme activity of 84.8 mg·g-1 and 54 U·g-1 , respectively. Compared with free CRL, the thermal and storage stability of CRL@OSMD was significantly improved, which lays the foundation for the catalytic synthesis of phytosterol esters in solvent-free systems. Fortunately, a yield of 95.0% was achieved after optimizing the reaction conditions, and a yield of 70.0% can still be maintained after six cycles.
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Affiliation(s)
- Yifei Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
| | - Wei Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
| | - Guangzheng Ma
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
| | - Binbin Nian
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
| | - Yi Hu
- State Key Laboratory of Materials-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
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Zhao B, Yang H, Mao J, Zhou Q, Deng Q, Zheng L, Shi J. Hollow Hierarchical Porous and Antihydrolytic Spherical Zeolitic Imidazolate Frameworks for Enzyme Encapsulation and Biocatalysis. ACS APPLIED MATERIALS & INTERFACES 2024; 16:9466-9482. [PMID: 38324654 DOI: 10.1021/acsami.3c16971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
The creation of a new metal-organic framework (MOF) with a hollow hierarchical porous structure has gained significant attention in the realm of enzyme immobilization. The present work employed a novel, facile, and effective combinatorial technique to synthesize modified MOF (N-PVP/HZIF-8) with a hierarchically porous core-shell structure, allowing for the preservation of the structural integrity of the encapsulated enzyme molecules. Scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, confocal laser scanning microscopy, and other characterization tools were used to fully explore the changes of morphological structure and surface properties in different stages of the preparation of immobilization enzyme CRL-N-PVP/HZIF-8, thus showing the superiority of N-PVP/HZIF-8 as an enzyme immobilization platform and the logic of the immobilization process on the carrier. Additionally, the maximum enzyme loading was 216.3 mg mL-1, the relative activity of CRL-N-PVP/HZIF-8 increased by 15 times compared with the CRL@ZIF-8 immobilized in situ, and exhibited quite good thermal, chemical, and operational stability. With a maximal conversion of 88.8%, CRL-N-PVP/HZIF-8 demonstrated good catalytic performance in the biosynthesis of phytosterol esters as a proof of concept. It is anticipated that this work will offer fresh concepts from several perspectives for the creation of MOF-based immobilized enzymes for biotechnological uses.
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Affiliation(s)
- Baozhu Zhao
- Engineering Research Center of Bio-Process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Haowen Yang
- Engineering Research Center of Bio-Process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Jin Mao
- Key Laboratory of Biology and Genetic Improvement of Oil Crop, Key Laboratory of Oilseeds Processing, Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Qi Zhou
- Key Laboratory of Biology and Genetic Improvement of Oil Crop, Key Laboratory of Oilseeds Processing, Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Qianchun Deng
- Key Laboratory of Biology and Genetic Improvement of Oil Crop, Key Laboratory of Oilseeds Processing, Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Lei Zheng
- Engineering Research Center of Bio-Process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
| | - Jie Shi
- Engineering Research Center of Bio-Process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, China
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Sun G, Wei X, Zhang D, Huang L, Liu H, Fang H. Immobilization of Enzyme Electrochemical Biosensors and Their Application to Food Bioprocess Monitoring. BIOSENSORS 2023; 13:886. [PMID: 37754120 PMCID: PMC10526424 DOI: 10.3390/bios13090886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/07/2023] [Accepted: 09/11/2023] [Indexed: 09/28/2023]
Abstract
Electrochemical biosensors based on immobilized enzymes are among the most popular and commercially successful biosensors. The literature in this field suggests that modification of electrodes with nanomaterials is an excellent method for enzyme immobilization, which can greatly improve the stability and sensitivity of the sensor. However, the poor stability, weak reproducibility, and limited lifetime of the enzyme itself still limit the requirements for the development of enzyme electrochemical biosensors for food production process monitoring. Therefore, constructing sensing technologies based on enzyme electrochemical biosensors remains a great challenge. This article outlines the construction principles of four generations of enzyme electrochemical biosensors and discusses the applications of single-enzyme systems, multi-enzyme systems, and nano-enzyme systems developed based on these principles. The article further describes methods to improve enzyme immobilization by combining different types of nanomaterials such as metals and their oxides, graphene-related materials, metal-organic frameworks, carbon nanotubes, and conducting polymers. In addition, the article highlights the challenges and future trends of enzyme electrochemical biosensors, providing theoretical support and future perspectives for further research and development of high-performance enzyme chemical biosensors.
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Affiliation(s)
- Ganchao Sun
- School of Food Science and Engineering, Ningxia University, Yinchuan 750021, China; (G.S.); (X.W.)
| | - Xiaobo Wei
- School of Food Science and Engineering, Ningxia University, Yinchuan 750021, China; (G.S.); (X.W.)
| | - Dianping Zhang
- School of Mechanical Engineering, Ningxia University, Yinchuan 750021, China;
| | - Liben Huang
- Huichuan Technology (Zhuhai) Co., Ltd., Zhuhai 519060, China;
| | - Huiyan Liu
- School of Food Science and Engineering, Ningxia University, Yinchuan 750021, China; (G.S.); (X.W.)
| | - Haitian Fang
- School of Food Science and Engineering, Ningxia University, Yinchuan 750021, China; (G.S.); (X.W.)
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Ji Z, Zhou B, Shang Z, Liu S, Li X, Zhang X, Li B. Active CRISPR-Cas12a on Hydrophilic Metal-Organic Frameworks: A Nanobiocomposite with High Stability and Activity for Nucleic Acid Detection. Anal Chem 2023. [PMID: 37413791 DOI: 10.1021/acs.analchem.3c00400] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/08/2023]
Abstract
CRISPR-Cas12a is an accurate and responsive biosensing technique, but its limited stability has restricted its widespread applications. To address this, we propose a strategy using metal-organic frameworks (MOFs) to protect Cas12a from harsh environments. After screening multiple candidate MOFs, it was found that hydrophilic MAF-7 is highly compatible with Cas12a, and the as-formed Cas12a-on-MAF-7 (COM) not only retains high enzymatic activity but also possesses excellent tolerance to heat, salt, and organic solvents. Further investigation showed that COM can serve as an analytical component for nucleic acid detection, resulting in an ultrasensitive assay for SARS-CoV-2 RNA detection with a detection limit of 1 copy. This is the first successful attempt to create an active Cas12a nanobiocomposite that functions as a biosensor without the need for shell deconstruction or enzyme release.
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Affiliation(s)
- Zhirun Ji
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, China
| | - Bin Zhou
- NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, China
| | - Zhaoyang Shang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, China
| | - Sirui Liu
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, China
| | - Xue Li
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, China
| | - Xing Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, China
| | - Bingzhi Li
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, China
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Liu S, Liu J, Wang Z, Wu Z, Wei Y, Liu P, Lan X, Liao Y, Lan P. In situ embedding of glucose oxidase in amorphous ZIF-7 with high catalytic activity and stability and mechanism investigation. Int J Biol Macromol 2023; 242:124806. [PMID: 37178879 DOI: 10.1016/j.ijbiomac.2023.124806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 04/26/2023] [Accepted: 05/06/2023] [Indexed: 05/15/2023]
Abstract
Glucose oxidase (GOx) has a great application potential in the determination of glucose concentration. However, its sensitivity to the environment and poor recyclability limited its broader application. Herein, with the assistance of DA-PEG-DA, a novel immobilized GOx based on amorphous Zn-MOFs (DA-PEG-DA/GOx@aZIF-7/PDA) was developed to impart excellent properties to the enzyme. SEM, TEM, XRD, and BET analyses confirmed that GOx was embedded in amorphous ZIF-7 with ~5 wt% loading. Compared with free GOx, DA-PEG-DA/GOx@aZIF-7/PDA exhibited enhanced stability, excellent reusability, and promising potential for glucose detection. After 10 repetitions, the catalytic activity of DA-PEG-DA/GOx@aZIF-7/PDA can maintain 95.53 % ± 3.16 %. In understanding the in situ embedding of GOx in ZIF-7, the interaction of zinc ion and benzimidazole with GOx was studied by using molecular docking and multi-spectral methods. Results showed that zinc ions and benzimidazole had multiple binding sites on the enzyme, which induced the accelerated synthesis of ZIF-7 around the enzyme. During binding, the structure of the enzyme changes, but such changes hardly affect the activity of the enzyme. This study provides not only a preparation strategy of immobilized enzyme with high activity, high stability, and low enzyme leakage rate for glucose detection, but also a more comprehensive understanding of the formation of immobilized enzymes using the in situ embedding strategy.
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Affiliation(s)
- Siyuan Liu
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Key Laboratory of New Technology for Chemical and Biological Transformation Process of Guangxi Higher Education Institutes, Guangxi Minzu University, Nanning, Guangxi 530006, PR China
| | - Jingxing Liu
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Key Laboratory of New Technology for Chemical and Biological Transformation Process of Guangxi Higher Education Institutes, Guangxi Minzu University, Nanning, Guangxi 530006, PR China
| | - Zefen Wang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, PR China; Institute of Biological Manufacturing Technology Co. Ltd, Guangxi Institute of Industrial Technology, Nanning, Guangxi 530002, PR China
| | - Zhiqi Wu
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Key Laboratory of New Technology for Chemical and Biological Transformation Process of Guangxi Higher Education Institutes, Guangxi Minzu University, Nanning, Guangxi 530006, PR China
| | - Yiliang Wei
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Key Laboratory of New Technology for Chemical and Biological Transformation Process of Guangxi Higher Education Institutes, Guangxi Minzu University, Nanning, Guangxi 530006, PR China
| | - Pengru Liu
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Key Laboratory of New Technology for Chemical and Biological Transformation Process of Guangxi Higher Education Institutes, Guangxi Minzu University, Nanning, Guangxi 530006, PR China
| | - Xiongdiao Lan
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Key Laboratory of New Technology for Chemical and Biological Transformation Process of Guangxi Higher Education Institutes, Guangxi Minzu University, Nanning, Guangxi 530006, PR China.
| | - Yexin Liao
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Key Laboratory of New Technology for Chemical and Biological Transformation Process of Guangxi Higher Education Institutes, Guangxi Minzu University, Nanning, Guangxi 530006, PR China
| | - Ping Lan
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, Key Laboratory of New Technology for Chemical and Biological Transformation Process of Guangxi Higher Education Institutes, Guangxi Minzu University, Nanning, Guangxi 530006, PR China.
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Wang Y, Sun X, Hu J, Guo Q, Zhang P, Luo X, Shen B, Fu Y. A two-enzyme system in an amorphous metal-organic framework for the synthesis of D-phenyllactic acid. J Mater Chem B 2023; 11:4227-4236. [PMID: 37114909 DOI: 10.1039/d3tb00126a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
In this study, we synthesized an amorphous metal-organic framework by adjusting the concentration of precursors, and established a two-enzyme system consisting of lactate dehydrogenase (LDH) and glucose dehydrogenase (GDH), which successfully achieved coenzyme recycling, and applied it to the synthesis of D-phenyllactic acid (D-PLA). The prepared two-enzyme-MOF hybrid material was characterized using XRD, SEM/EDS, XPS, FT-IR, TGA, CLSM, etc. In addition, reaction kinetic studies indicated that the MOF-encapsulated two-enzyme system exhibited faster initial reaction velocities than free enzymes due to its amorphous ZIF-generated mesoporous structure. Furthermore, the pH stability and temperature stability of the biocatalyst were evaluated, and the results indicated a significant improvement compared to the free enzymes. Moreover, the amorphous structure of the mesopores still maintained the shielding effect and protected the enzyme structure from damage by proteinase K and organic solvents. Finally, the remaining activity of the biocatalyst for the synthesis of D-PLA reached 77% after 6 cycles of use, and the coenzyme regeneration still maintained at 63%, while the biocatalyst also retained 70% and 68% residual activity for the synthesis of D-PLA after 12 days of storage at 4 °C and 25 °C, respectively. This study provides a reference for the design of MOF-based multi-enzyme biocatalysts.
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Affiliation(s)
- Yifeng Wang
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Jiaojiang 318000, Zhejiang, China.
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, Jiangsu 210023, China.
| | - Xiaolong Sun
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Jiaojiang 318000, Zhejiang, China.
| | - Jiahuan Hu
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Jiaojiang 318000, Zhejiang, China.
| | - Qing Guo
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Jiaojiang 318000, Zhejiang, China.
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Ping Zhang
- Zhejiang Kingsun Eco-Pack Co., Ltd., Xianju, Zhejiang 317300, China
| | - Xi Luo
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Jiaojiang 318000, Zhejiang, China.
| | - Baoxing Shen
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, Jiangsu 210023, China.
| | - Yongqian Fu
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Jiaojiang 318000, Zhejiang, China.
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Tian D, Wu Z, Liu X, Tu Z, Li R, Fan D, Lan Y. Synthesis of L-aspartic acid-based bimetallic hybrid nanoflowers to immobilize snailase for the production of rare ginsenoside compound K. J Mater Chem B 2023; 11:2397-2408. [PMID: 36806442 DOI: 10.1039/d3tb00013c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The conversion of the common ginsenoside Rb1 to the rare ginsenoside compound K (CK) using snailase (Sna) is an efficient method for industrial production. In order to improve the stability and recoverability of Sna during the catalytic conversion of ginsenosides, the cage-like immobilised Sna material ZIF-ZnCo-Sna and the hybrid nanoflower-based immobilised Sna material Asp@ZIF-ZnCo-Sna modified with L-aspartic acid (Asp) were synthesised using a one-step method. The addition of Asp provides a richer ligand pattern and the morphology of the material changed from a cage to a hybrid nanoflower. The modified hybrid nanoflower Asp@ZIF-ZnCo-Sna has a larger specific surface area, resulting in an enzyme loading of 142.57 mg g-1. The more abundant mesopores allowed the enzyme to maintain a good conformation and the enzyme activity was 79.8% of that of the free Sna. In addition, the total conversion rate of Asp@ZIF-ZnCo-Sna to ginsenoside Rb1 was as high as 88.35%, whereas that of ZIF-ZnCo-Sna was 79.12%. Moreover, after 6 cycles, the catalytic conversion of ZIF-ZnCo-Sna and Asp@ZIF-ZnCo-Sna and the crystalline shape remained the same, indicating that both composites have good stability and catalytic properties. This new approach of improving the MOF morphology and enzymatic activity by a one-step addition of small biological molecules provides a simple, rapid, and effective strategy for biocatalysis. It also provides a certain reference value for the immobilized Sna to produce rare ginsenoside CK.
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Affiliation(s)
- Duoduo Tian
- School of Environmental and Chemical Engineering, Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, P. R. China.
| | - Zhansheng Wu
- School of Environmental and Chemical Engineering, Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, P. R. China.
| | - Xiaochen Liu
- School of Environmental and Chemical Engineering, Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, P. R. China.
| | - Zhuo Tu
- School of Environmental and Chemical Engineering, Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, P. R. China.
| | - Runze Li
- School of Environmental and Chemical Engineering, Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, P. R. China.
| | - Daidi Fan
- School of Chemical Engineering, Shaanxi Key Laboratory of Degradable Biomedical Materials, Northwest University, Xi'an 710069, P. R. China
| | - Yiran Lan
- School of Environmental and Chemical Engineering, Xi'an Key Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, P. R. China.
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Ji Y, Gao W, Sohail M, Lin L, Zhang X. Post-synthesis modification of metal-organic framework boosts solvent-free enzymatic esterifications. J Catal 2023. [DOI: 10.1016/j.jcat.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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Sun X, Hu J, Wang Y, Luo X, Huang H, Fu Y. One-pot encapsulation of lactate dehydrogenase and Fe 3O 4 nanoparticles into a metal-organic framework: A novel magnetic recyclable biocatalyst for the synthesis of D-phenyllactic acid. Front Bioeng Biotechnol 2023; 10:1124450. [PMID: 36698639 PMCID: PMC9868447 DOI: 10.3389/fbioe.2022.1124450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 12/23/2022] [Indexed: 01/11/2023] Open
Abstract
The main challenges in bio-catalysis of d-phenyllactic acid (D-PLA) are poor tolerance of lactate dehydrogenase (LDH) to harsh environmental conditions and inability to recycle the catalyst. A novel magnetic framework composite was prepared as solid support for the immobilization of enzymes via one-pot encapsulation in this study. LDH/MNPs@MAF-7 was synthesized by the one-pot encapsulation of both LDH and magnetic nanoparticles (MNPs) in MAF-7. The LDH/MNPs@MAF-7 showed stable biological activity for the efficient biosynthesis of D-PLA. The structure and morphology of LDH/MNPs@MAF-7 were systematically characterized by SEM, FT-IR, XRD, VSM, XPS, TGA and N2 sorption. These indicated that LDH/MNPs@MAF-7 was successfully synthesized, exhibiting enhanced resistance to acid and alkali, temperature and organic solvents. Furthermore, the bio-catalyst could be separated easily using a magnet, and the reusability was once considerably expanded with 80% of enzyme activity last after eight rounds of recycling. Therefore, LDH/MNPs@MAF-7 could be used as a potential biocatalyst for the biosynthesis of D-PLA due to its good stability and recovery properties.
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Affiliation(s)
- Xiaolong Sun
- State Key Laboratory of Material-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China,Taizhou Key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Taizhou, China
| | - Jiahuan Hu
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Taizhou, China
| | - Yifeng Wang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Xi Luo
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Taizhou, China
| | - He Huang
- State Key Laboratory of Material-Oriented Chemical Engineering, School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China,School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, China
| | - Yongqian Fu
- Taizhou Key Laboratory of Biomass Functional Materials Development and Application, Taizhou University, Taizhou, China,*Correspondence: Yongqian Fu,
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Li H, Wu H, Chen J, Su Y, Lin P, Xiao W, Cao D. Highly Sensitive Colorimetric Detection of Glutathione in Human Serum Based on Iron-Copper Metal-Organic Frameworks. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:15559-15569. [PMID: 36503243 DOI: 10.1021/acs.langmuir.2c02218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Emerging metal-organic framework (MOF)-based mimic enzymes have been exploited to design a colorimetric sensor for the detection of biomolecules. However, it is challenging to figure out the glutathione (GSH) detection method and the corresponding sensing mechanism using an MOF-based colorimetric sensor. In this work, a novel iron-copper MOF with high activity is synthesized by a wet-chemical method. A GSH colorimetric sensor based on the peroxidase-like properties of the iron-copper MOF is developed. Hydrogen peroxide is converted to hydroxyl radicals by the peroxidase-like properties of the iron-copper MOF mimic enzyme, which can catalyze the colorless 3,3',5,5'-tetramethylbenzidine (TMB) to blue oxidized TMB (ox-TMB). The kinetic constant of the MOF mimic enzyme (0.02 mM for H2O2) is superior to horseradish peroxidase (HRP). The GSH content can be quantified by proposing a sensor based on the colorimetric method and color turn-off mechanism. The turn-off mechanism of GSH analysis includes two aspects. On the one hand, the blue ox-TMB can be deoxidized to colorless TMB by GSH. On the other hand, hydroxyl radicals (•OH) can be consumed by GSH. The linear range and limit of detection are 2-20 and 0.439 μM, respectively. At the same time, GSH detection also shows good specificity and anti-interference characteristics. Therefore, MOF-based colorimetric sensors have been used to qualitatively and quantitatively measure GSH contents in human serum. The mechanism and application of the iron-copper MOF pave a way for the development of mimic enzymes with polymetallic active sites in the field of colorimetric sensing.
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Affiliation(s)
- Huiqin Li
- Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, Materials and Energy School, Guangdong University of Technology, Panyu District, Guangzhou510006, China
- Department of Laboratory Medicine, Guangdong Second Provincial General Hospital, Guangzhou510317, China
| | - Hongjiao Wu
- Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, Materials and Energy School, Guangdong University of Technology, Panyu District, Guangzhou510006, China
- Department of Laboratory Medicine, Guangdong Second Provincial General Hospital, Guangzhou510317, China
| | - Jiaqi Chen
- Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, Materials and Energy School, Guangdong University of Technology, Panyu District, Guangzhou510006, China
| | - Yiqian Su
- Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, Materials and Energy School, Guangdong University of Technology, Panyu District, Guangzhou510006, China
| | - Pengcheng Lin
- Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, Materials and Energy School, Guangdong University of Technology, Panyu District, Guangzhou510006, China
| | - Wei Xiao
- Department of Laboratory Medicine, Guangdong Second Provincial General Hospital, Guangzhou510317, China
| | - Donglin Cao
- Department of Laboratory Medicine, Guangdong Second Provincial General Hospital, Guangzhou510317, China
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Lactate dehydrogenase encapsulated in a metal-organic framework: A novel stable and reusable biocatalyst for the synthesis of D-phenyllactic acid. Colloids Surf B Biointerfaces 2022; 216:112604. [PMID: 35636328 DOI: 10.1016/j.colsurfb.2022.112604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 05/18/2022] [Accepted: 05/24/2022] [Indexed: 01/01/2023]
Abstract
In this study, we synthesized a novel biocatalyst by encapsulating lactate dehydrogenase (LDH) in the metal-organic framework ZIF-90 by one-pot embedding. It showed strong biological activity for efficient synthesis of D-phenyllactic acid (D-PLA). The morphology and structure of LDH@ZIF-90 was systematically characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) spectroscopy, confocal laser scanning microscopy (CLSM) and gas sorption. According to thermogravimetric analysis (TGA), the enzyme loading of the biocatalyst was 3 %. The Michaelis-Menten constant (Km) and maximal reaction rate (Vmax) of LDH@ZIF-90 were similar to those of free LDH, which proved that ZIF-90 had good biocompatibility to encapsulate LDH. At the same time, LDH@ZIF-90 exhibited enhanced tolerance to temperature, pH and organic solvents, and its reusability was greatly improved with 68 % of initial enzyme activity remaining after 7 rounds of recylcing. Overall, LDH encapsulated in ZIF-90 may be an economically competitive and environmentally friendly novel biocatalyst for the synthesis of D-PLA.
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Wu H, Liu J, Chen Z, Lin P, Ou W, Wang Z, Xiao W, Chen Y, Cao D. Mechanism and Application of Surface-Charged Ferrite Nanozyme-Based Biosensor toward Colorimetric Detection of l-Cysteine. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:8266-8279. [PMID: 35749646 DOI: 10.1021/acs.langmuir.2c00657] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Peroxidase-like nanozymes with robust catalytic capacity and detection specificity have been proposed as substitutes to natural peroxidases in biochemical sensing. However, the catalytic activity enhancement, detection mechanism, and application of nanozyme-based biosensors toward l-cysteine (l-Cys) detection still remain significant challenges. In this work, a doped ferrite nanozyme with well-defined structure and surface charges is fabricated by a two-step method of continuous flow coprecipitation and high-temperature annealing. The resulted ferrite nanozyme possesses an average size of 54.5 nm and a zeta-potential of 6.45 mV. A high-performance biosensor is manufactured based on the peroxidase-like catalytic feature of the doped ferrite. The ferrite nanozyme can oxidize the 3,3',5,5'-tetramethylbenzidine (TMB) with the assistance of H2O2 because of the instinctive capacity to decompose H2O2 into ·OH. The Michaelis-Menten constants (0.0911 mM for TMB, 0.140 mM for H2O2) of the ferrite nanozyme are significantly smaller than those of horseradish peroxidase. A reliable colorimetric method is established to selectively analyze l-Cys via a facile mixing-and-detecting methodology. The detection limit and linear range are 0.119 μM and 0.2-20 μM, respectively. Taking the merits of the ferrite nanozyme-based biosensors, the l-Cys level in the human serum can be qualitatively detected. It can be anticipated that the surface-charged ferrite nanozyme shows great application prospects in the fields of bioanalytical chemistry and point-of-care testing.
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Affiliation(s)
- Hongjiao Wu
- Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, Materials and Energy School, Guangdong University of Technology Panyu District, Guangzhou, 510006, China
- Department of Laboratory Medicine, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Jun Liu
- Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, Materials and Energy School, Guangdong University of Technology Panyu District, Guangzhou, 510006, China
| | - Zhuoyu Chen
- Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, Materials and Energy School, Guangdong University of Technology Panyu District, Guangzhou, 510006, China
| | - Pengcheng Lin
- Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, Materials and Energy School, Guangdong University of Technology Panyu District, Guangzhou, 510006, China
| | - Wentao Ou
- Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, Materials and Energy School, Guangdong University of Technology Panyu District, Guangzhou, 510006, China
| | - Zian Wang
- Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, Materials and Energy School, Guangdong University of Technology Panyu District, Guangzhou, 510006, China
| | - Wei Xiao
- Department of Laboratory Medicine, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Ying Chen
- Guangdong Provincial Key Laboratory on Functional Soft Condensed Matter, Materials and Energy School, Guangdong University of Technology Panyu District, Guangzhou, 510006, China
| | - Donglin Cao
- Department of Laboratory Medicine, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
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Carballares D, Rocha-Martin J, Fernandez-Lafuente R. Chemical amination of immobilized enzymes for enzyme coimmobilization: Reuse of the most stable immobilized and modified enzyme. Int J Biol Macromol 2022; 208:688-697. [PMID: 35358572 DOI: 10.1016/j.ijbiomac.2022.03.151] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/23/2022] [Accepted: 03/23/2022] [Indexed: 12/25/2022]
Abstract
Although Lecitase and the lipase from Thermomyces lanuginosus (TLL) could be coimmobilized on octyl-agarose, the stability of Lecitase was lower than that of TLL causing the user to discard active immobilized TLL when Lecitase was inactivated. Here, we propose the chemical amination of immobilized TLL to ionically exchange Lecitase on immobilized TLL, which should be released to the medium after its inactivation by incubation at high ionic strength. Using conditions where Lecitase was only adsorbed on immobilized TLL after its amination, the combibiocatalyst was produced. Unfortunately, the release of Lecitase was not possible using just high ionic strength solutions, and if detergent was added, TLL was also released from the support. This occurred when using 0.25 M ammonium sulfate, Lecitase did not immobilize on aminated TLL. That makes the use octyl-vinylsulfone supports necessary to irreversibly immobilize TLL, and after blocking with ethylendiamine, the immobilized TLL was aminated. Lecitase immobilized and released from this biocatalyst using 0.25 M ammonium sulfate and 0.1% Triton X-100. That way, a coimmobilized TLL and Lecitase biocatalyst could be produced, and after Lecitase inactivation, it could be released and the immobilized, aminated, and fully active TLL could be utilized to build a new combibiocatalyst.
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Affiliation(s)
- Diego Carballares
- Departamento de Biocatálisis, ICP-CSIC, Campus UAM-CSIC, Madrid, Spain
| | - Javier Rocha-Martin
- Department of Biochemistry and Molecular Biology, Faculty of Biology, Complutense University of Madrid, José Antonio Novais 12, Madrid 28040, Spain.
| | - Roberto Fernandez-Lafuente
- Departamento de Biocatálisis, ICP-CSIC, Campus UAM-CSIC, Madrid, Spain; Center of Excellence in Bionanoscience Research, External Scientific Advisory Academic, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
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