1
|
Zhao Z, Wang C, Zhao J, Li Y, Zhang S, Dong J, Zuo H, Ou J, Deng N, Bian Y. Immobilized PAD4 enzyme on magnetic nanoparticles for screening natural inhibitors from traditional Chinese medicines. Talanta 2024; 278:126492. [PMID: 38955099 DOI: 10.1016/j.talanta.2024.126492] [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: 03/18/2024] [Revised: 06/15/2024] [Accepted: 06/28/2024] [Indexed: 07/04/2024]
Abstract
Dysregulation of peptidyl arginine deiminase 4 (PAD4) is involved in a variety of diseases including rheumatoid arthritis (RA) and Alzheimer's disease (AD), and it has emerged as potential and promising therapeutic target. However, no PAD4 inhibitor is ready for clinical use. Immobilized enzyme screening technology has gained increasing attention due to its low cost, reusability, easy separation from the reaction mixture, and resistance to changes in environmental conditions. In this study, PAD4 was immobilized on the magnetic nanoparticles (MNP) to prolong its activity stability, and a simple and rapid screening strategy of traditional Chinese medicine inhibitors based on immobilized PAD4 was established. The PAD4 enzyme was immobilized on magnetic nanoparticles (MNP) via Schiff base reaction using glutaraldehyde (GA) as crosslinking agent. Compared with free PAD4, the resulting MNP@GA@PAD4 exhibited an enhanced tolerance to temperature and storage stability, and its reusability was greatly improved with 66 % of initial enzyme activity after being recycled 10 times. The inhibitory activity of the immobilized PAD4 was assessed using two known PAD4 inhibitors GSK484 and BB-Cl-amidine. The semi-maximum inhibitory concentrations (IC50) of GSK484 and BB-Cl-amidine for MNP@GA@PAD4 were 1.00 and 0.97 μM, respectively, for free PAD4 were 0.64 and 0.85 μM, respectively. Finally, the MNP@GA@PAD4 was employed to rapid screen of natural PAD4 inhibitors from forty traditional Chinese medicines (TCMs). Under the same conditions, the controlled experiment was conducted with free PAD4. The screening results of TCMs inhibitors on MNP@GA@PAD4 and free PAD4 were similar, the alcohol extracts of Cinnamomi Cortex and Caryophylli Flos had significant inhibitory effects on PAD4 enzyme activity. The IC50 values of Cinnamomi Cortex extract for MNP@GA@PAD4 and free PAD4 were determined as 27 and 48 μg/mL, respectively. The IC50 values of Caryophylli Flos extracts for MNP@GA@PAD4 and free PAD4 were determined as 48 and 32 μg/mL, respectively. For the first time, this study proposed a method to immobilize PAD4 on magnetic materials, and developed a rapid, reusable and feasible strategy to screening natural PAD4 inhibitors from TCMs.
Collapse
Affiliation(s)
- Zeyuan Zhao
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi Province, 710069, PR China
| | - Chenyang Wang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi Province, 710069, PR China
| | - Juanjuan Zhao
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi Province, 710069, PR China
| | - Yanfeng Li
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi Province, 710069, PR China
| | - Shengxiang Zhang
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi Province, 710069, PR China
| | - Jianhui Dong
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi Province, 710069, PR China
| | - Haiyue Zuo
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi Province, 710069, PR China
| | - Junjie Ou
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi Province, 710069, PR China
| | - Nan Deng
- Instrumental Analysis Center, Xi'an Jiaotong University, Xi'an, Shaanxi Province, 710049, PR China.
| | - Yangyang Bian
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi Province, 710069, PR China.
| |
Collapse
|
2
|
Karimi S, Namazi H. Fabrication of biocompatible magnetic maltose/MIL-88 metal-organic frameworks decorated with folic acid-chitosan for targeted and pH-responsive controlled release of doxorubicin. Int J Pharm 2023; 634:122675. [PMID: 36736967 DOI: 10.1016/j.ijpharm.2023.122675] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 01/29/2023] [Accepted: 01/30/2023] [Indexed: 02/04/2023]
Abstract
Recently, metal-organic frameworks (MOFs) have attracted tremendous attention as promising porous drug delivery systems for cancer treatment. In this work, for the first time, a novel magnetic maltose disaccharide molecule modified with MIL-88 metal-organic framework (Fe3O4@C@MIL-88) was prepared, and then this targeted system was used for the delivery of the doxorubicin (DOX) drug. Eventually, Fe3O4@C@MIL-88-DOX were successfully decorated with folic acid conjugated chitosan (Fe3O4@C@MIL-88-DOX-FC) as a new targeted and controlled release drug system for treatment of MCF-7 breast cancer. The encapsulation efficiency of the DOX in the Fe3O4@C@MIL-88 was obtained at ∼83.6%. The in vitro drug release profiles showed a pH-responsive controlled release of DOX in acidic pH confirming the performance of the systems in the cancerous environment. The DOX release mechanism from systems at pH 5 also showed that the kinetic data well fitted to the Korsmeyer-Peppas and Fickian diffusion. Furthermore, in vitro cytotoxicity and DAPI staining study clearly illustrated that the synthesized Fe3O4@C@MIL-88 system had low cytotoxicity and good biocompatibility against MCF-7 cancer cells and MCF-10A normal cells. Whereas, Fe3O4@C@MIL-88-DOX and Fe3O4@C@MIL-88-DOX-FC exhibited good antitumor activity as a result of targeted delivery of DOX, which indicated the MCF-7 cell death with apoptotic effects. Based on these findings, the resulting carriers could be used as promising targeted drug delivery systems for cancer therapy.
Collapse
Affiliation(s)
- Soheyla Karimi
- Polymer Research Laboratory, Department of Organic and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Hassan Namazi
- Polymer Research Laboratory, Department of Organic and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran; Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Science, Tabriz, Iran.
| |
Collapse
|
3
|
Zhang J, Lei J, Liu Z, Chu Z, Jin W. Nanomaterial-based electrochemical enzymatic biosensors for recognizing phenolic compounds in aqueous effluents. ENVIRONMENTAL RESEARCH 2022; 214:113858. [PMID: 35952740 DOI: 10.1016/j.envres.2022.113858] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 05/18/2022] [Accepted: 07/06/2022] [Indexed: 06/15/2023]
Abstract
With the rapid development of industrial society, phenolic pollutants already identified in water are severe threats to human health. Traditional detection techniques like chromatography are poor in the ability of cost-effectiveness and on-site detection. In recent years, electrochemical enzymatic biosensors have attracted increasing attention for use in the recognition of phenolic compounds, which is considered an effective strategy for the product transfer of portable analytical devices. Although electrochemical enzymatic biosensors provide a fast, accurate on-site detection technique, the difficulties of enzyme deactivation, poor stability and low sensitivity remain to be solved. Thus, effective immobilization methods of enzymes and nanomaterials with excellent properties have been extensively researched to obtain a high-sensitivity and high-stability biosensing platform. Simultaneous detection of multiple phenols may become the focus of further research. In this review, we provide an overview of recent progress toward electrochemical enzymatic biosensors for the detection of phenolic compounds, including enzyme immobilization approaches and advanced nanomaterials, especially nanocomposites with attractive properties such as good conductivity, high specific surface area, and porous structure. We will comprehensively discuss the features and mechanisms of the main enzymes adopted in the construction of different phenolic biosensors, as well as traditional methods (e.g., adsorption, covalent bonding, entrapment, encapsulation, cross-linking) of enzyme immobilization. The most effective method is based on the properties of enzymes, supports and application objective because there is no one-size-fits-all method of enzymatic immobilization. The emphasis will be given to various advanced nanomaterials, including their special nanostructures, preparation methods and performance. Finally, the main challenges in future research on electrochemical phenolic biosensors will be discussed to provide further perspectives for practical applications in dynamic and on-site monitoring. We believe this review will deliver an important inspiration for the construction of novel and high-performance electrochemical biosensors from enzyme selection to nanomaterial design for the detection of various hazardous materials. We believe this review will deliver an important inspiration on the construction of novel and high-performance electrochemical biosensors from the enzyme selection to the nanomaterial design for detections of various hazardous materials.
Collapse
Affiliation(s)
- Jing Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, PR China
| | - Jing Lei
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, PR China
| | - Zhengkun Liu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, PR China
| | - Zhenyu Chu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, PR China.
| | - Wanqin Jin
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, 211816, PR China.
| |
Collapse
|
4
|
Yurkov GY, Kozinkin AV, Shvachko OV, Kubrin SP, Ovchenkov EA, Korobov MS, Kirillov VE, Osipkov AS, Makeev MO, Ryzhenko DS, Solodilov VI, Burakova EA, Bouznik VM. One
‐step synthesis of composite materials based on polytetrafluoroethylene microgranules and Co@
Fe
2
O
3
‐FeF
2
nanoparticles. J Appl Polym Sci 2022. [DOI: 10.1002/app.52890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Gleb Yu. Yurkov
- Semenov Federal Research Center Chemical Physics Russian Academy of Sciences Moscow Russian Federation
- Bauman Moscow State Technical University Moscow Russian Federation
| | | | | | | | | | - Maxim S. Korobov
- Bauman Moscow State Technical University Moscow Russian Federation
| | - Vladislav E. Kirillov
- Semenov Federal Research Center Chemical Physics Russian Academy of Sciences Moscow Russian Federation
| | | | | | | | - Vitaly I. Solodilov
- Semenov Federal Research Center Chemical Physics Russian Academy of Sciences Moscow Russian Federation
| | | | | |
Collapse
|
5
|
Kolhe N, Damle E, Pradhan A, Zinjarde S. A comprehensive assessment of Yarrowia lipolytica and its interactions with metals: Current updates and future prospective. Biotechnol Adv 2022; 59:107967. [PMID: 35489656 DOI: 10.1016/j.biotechadv.2022.107967] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 04/22/2022] [Accepted: 04/22/2022] [Indexed: 11/16/2022]
Abstract
The non-conventional yeast Yarrowia lipolytica has been popular as a model system for understanding biological processes such as dimorphism and lipid accumulation. The organism can efficiently utilize hydrophobic substrates (hydrocarbons and triglycerides) thereby rendering it relevant in bioremediation of oil polluted environments. The current review focuses on the interactions of this fungus with metal pollutants and its potential application in bioremediation of metal contaminated locales. This fungus is intrinsically equipped with a variety of physiological and biochemical features that enable it to tide over stress conditions induced by the presence of metals. Production of enzymes such as phosphatases, reductases and superoxide dismutases are worth a special mention. In the presence of metals, levels of inherently produced metal binding proteins (metallothioneins) and the pigment melanin are seen to be elevated. Morphological alterations with respect to biofilm formation and dimorphic transition from yeast to mycelial form are also induced by certain metals. The biomass of Y. lipolytica is inherently important as a biosorbent and cell surface modification, process optimization or whole cell immobilization techniques have aided in improving this capability. In the presence of metals such as mercury, cadmium, copper and uranium, the culture forms nanoparticulate deposits. In addition, on account of its intrinsic reductive ability, Y. lipolytica is being exploited for synthesizing nanoparticles of gold, silver, cadmium and selenium with applications as antimicrobial compounds, location agents for bioimaging and as feed supplements. This versatile organism thus has great potential in interacting with various metals and addressing problems related to their pollutant status.
Collapse
Affiliation(s)
- Nilesh Kolhe
- Department of Biotechnology (with jointly merged Institute of Bioinformatics and Biotechnology), Savitribai Phule Pune University, Pune 411007, India
| | - Eeshan Damle
- Department of Biotechnology (with jointly merged Institute of Bioinformatics and Biotechnology), Savitribai Phule Pune University, Pune 411007, India
| | - Aditya Pradhan
- Department of Biotechnology (with jointly merged Institute of Bioinformatics and Biotechnology), Savitribai Phule Pune University, Pune 411007, India
| | - Smita Zinjarde
- Department of Biotechnology (with jointly merged Institute of Bioinformatics and Biotechnology), Savitribai Phule Pune University, Pune 411007, India.
| |
Collapse
|
6
|
Design and Construction of Bioreactor Based on Hybrid Microcapsules and its Bio-catalytic Performance. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02090-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
7
|
Hassankhani A, Gholipour B, Rostamnia S, Zarenezhad E, Nouruzi N, Kavetskyy T, Khalilov R, Shokouhimehr M. Sustainable design and novel synthesis of highly recyclable magnetic carbon containing aromatic sulfonic acid: Fe
3
O
4
@C/Ph—SO
3
H as green solid acid promoted regioselective synthesis of tetrazoloquinazolines. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6346] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Asadollah Hassankhani
- Department of New Materials, Institute of Science and High Technology and Environmental Sciences Graduate University of Advanced Technology Kerman Iran
| | - Behnam Gholipour
- Organic and Nano Group (ONG), Department of Chemistry, Faculty of Science University of Maragheh Maragheh Iran
| | - Sadegh Rostamnia
- Organic and Nano Group (ONG), Department of Chemistry Iran University of Science and Technology (IUST) Tehran Iran
- Department of Surface Engineering, The John Paul II Catholic University of Lublin Lublin Poland
| | - Elham Zarenezhad
- Noncommunicable Diseases Research Center, School of Medicine Fasa University of Medical Sciences Fasa Iran
| | - Nasrin Nouruzi
- Organic and Nano Group (ONG), Department of Chemistry, Faculty of Science University of Maragheh Maragheh Iran
| | - Taras Kavetskyy
- Department of Biology and Chemistry, Drohobych Ivan Franko State Pedagogical University Drohobych Ukraine
- Department of Surface Engineering, The John Paul II Catholic University of Lublin Lublin Poland
| | - Rovshan Khalilov
- Department of Biophysics and Molecular Biology Baku State University Baku Azerbaijan
| | - Mohammadreza Shokouhimehr
- Department of Materials Science and Engineering, Research Institute of Advanced Materials Seoul National University Seoul 08826 South Korea
| |
Collapse
|
8
|
Arora A, Oswal P, Singh S, Nautiyal D, Rao GK, Kumar S, Singh AK, Kumar A. Organoselenium ligand-stabilized copper nanoparticles: Development of a magnetically separable catalytic system for efficient, room temperature and aqueous phase reduction of nitroarenes. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120267] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
|
9
|
Bakhtiarzadeh Z, Rouhani S, Karimi Z, Rostamnia S, Msagati TA, Kim D, Jang HW, Ramakrishna S, Varma RS, Shokouhimehr M. Hydrothermal self - sacrificing growth of polymorphous MnO2 on magnetic porous - carbon (Fe3O4@Cg/MnO2): A sustainable nanostructured catalyst for activation of molecular oxygen. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111603] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
10
|
Ran F, Xiang Y, Liu D, Sun H, Shi X, Liu X, Zhang H. One-step self-assembly of magnetic supramolecular metal-organic coordination functionalized MoS 2 complex as nanoenzyme-reactor. Colloids Surf B Biointerfaces 2021; 205:111879. [PMID: 34058690 DOI: 10.1016/j.colsurfb.2021.111879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
In the present study, a kind of magnetic supramolecular metal-organic coordination complex (SMOCC) functionalized MoS2 was prepared with one-step in aqueous solution for enzyme immobilization. As possessing a protective nanocoating of PDA/PEI/Cu2+ (polydopamine: PDA, polyethyleneimine: PEI), the proposed material can provide biocompatible microenvironment and flexible adhesion force on particle interface, which is conductive to loading laccase (170.0 ± 1.8 mg/g) with high activity (93.0 ± 1.1 %). Compared with the free laccase, the immobilized laccase has higher stability in a broader range of pH (3-10), temperature (20-80 °C), storage time (1-18 days) and reusability (1-16 cycles). The removal of carcinogenic persistent organic pollutant malachite green in the water with the immobilized laccase shows a higher efficiency (89.4 ± 1.2 %) than free laccase (16.2 ± 0.2 %). The Fe3O4@MoS2@(PDA/PEI/Cu2+) nanocomposites can also be used successfully to immobilize trypsin, lipase and catalase respectively, showing a satisfactory enzyme loading (157.0 ± 0.1 mg/g, 151.6 ± 1.4 mg/g, 162.6 ± 1.6 mg/g, respectively) and activity (95.0 ± 0.5 %, 90.0 ± 0.8 %, 91.0 ± 0.9 %, respectively). The MoS2 can be replaced by carbon material and similar results can be obtained.
Collapse
Affiliation(s)
- Fanpeng Ran
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Yueci Xiang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Di Liu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Huipeng Sun
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Xuerong Shi
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Xiaoyan Liu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China.
| | - Haixia Zhang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China.
| |
Collapse
|
11
|
Gholami P, Khataee A, Bhatnagar A, Vahid B. Synthesis of N-Doped Magnetic WO 3-x@Mesoporous Carbon Using a Diatom Template and Plasma Modification: Visible-Light-Driven Photocatalytic Activities. ACS APPLIED MATERIALS & INTERFACES 2021; 13:13072-13086. [PMID: 33720681 DOI: 10.1021/acsami.0c21076] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Synthesis of three-dimensional photocatalysts offers great potential for chemical conversion and hydrogen generation as appropriate solutions for environmental protection and energy shortage challenges. In this study, the magnetic WO3-x@mesoporous carbon (M-WO3-x@MC) was synthesized through the evaporation-induced self-assembly method applying diatom frustules as a natural template. Then, plasma modification was used to prepare the N-doped M-WO3-x@MC (NM-WO3-x@MC) with enhanced photocatalytic activity and durable performance. The WO3-x was embedded in the conductive MC, which was also partially reduced by the carbon precursor within the heat-treatment procedure. The obtained M-WO3-x@MC was treated by the plasma under an N2 atmosphere for the production of the final photocatalyst containing both the N-doped WO3-x and MC. As a result, the NM-WO3-x@MC had larger surface area (208.4 m2 g-1), narrower band gap (2.3 eV), more visible light harvesting, and confined electron-hole pairs recombination. The H2 generation rates of net WO3 nanorods and NM-WO3-x@MC nanocomposite were estimated as 532 and 2765 μmol g-1 h-1, respectively. Additionally, more than 90% of antibiotics (cephalexin, cefazolin and cephradine) degradation and 76% of total organic carbon elimination were obtained after 120 and 240 min of photocatalytic process under visible light irradiation. Eventually, more than eight intermediates were detected for each antibiotic degradation using the gas chromatography-mass spectrometer method, and based on the obtained results, the possible degradation pathways were suggested.
Collapse
Affiliation(s)
- Peyman Gholami
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland
- Department of Chemistry, University of Helsinki, P.O. Box 55, 00014 Helsinki, Finland
| | - Alireza Khataee
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran
- Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, 117198 Moscow, Russian Federation
| | - Amit Bhatnagar
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland
- Department of Separation Science, LUT School of Engineering Science, LUT University, Sammonkatu 12, FI-50130 Mikkeli, Finland
| | - Behrouz Vahid
- Department of Chemical Engineering, Tabriz Branch, Islamic Azad University, 51579-44533 Tabriz, Iran
| |
Collapse
|
12
|
Dai H, Lu Y, Shi H, Tang L, Sun X, Ou Z. Efficient enantiomer selective acetylation of 1-methyl-3-phenylpropylamine by Fe3O4-APTES-CS2-lipase magnetic nanoparticles in an alternating magnetic field. BIOCATAL BIOTRANSFOR 2021. [DOI: 10.1080/10242422.2021.1884230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Hongqian Dai
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| | - Yuan Lu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| | - Hanbing Shi
- The Third Affiliated Hospital, Qiqihar Medical College, Qiqihar, China
| | - Lan Tang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| | - Xingyuan Sun
- The Third Affiliated Hospital, Qiqihar Medical College, Qiqihar, China
| | - Zhimin Ou
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, China
| |
Collapse
|
13
|
Kaur H, Bari NK, Garg A, Sinha S. Protein morphology drives the structure and catalytic activity of bio-inorganic hybrids. Int J Biol Macromol 2021; 176:106-116. [PMID: 33556398 DOI: 10.1016/j.ijbiomac.2021.01.217] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/27/2021] [Accepted: 01/30/2021] [Indexed: 11/26/2022]
Abstract
Bio-hybrid materials have received a lot of attention in view of their bio-mimicking nature. One such biomimetic material with catalytic activity are the protein derived floral nanohybrid. Copper phosphate coordinated flakes can be curated to distinct floral morphology using proteins. Structurally two different proteins with similar size and with no known enzymatic activity are used to evaluate the role of protein structure and morphology, on the structure-activity relationship of the developed hybrid nanoflowers. Globular protein BSA and bacterial microcompartment domain protein PduBB' are selected. PduBB' because of self-assembling nature forms extended sheets, whereas BSA lacks specific assembly. The developed hybrid NFs differ in their morphology and also in their mimicry as a biological catalyst. The present investigation highlights the importance of the quaternary structure of proteins in tailoring the structure and function of the h-NFs. The results in this manuscript will motivate and guide designing, engineering and selection of glue material for fabricating biomacromolecule derived biohybrid material to mimic natural enzymes of potential industrial application.
Collapse
Affiliation(s)
- Harpreet Kaur
- Chemical Biology Unit, Institute of Nano Science and Technology (INST), Sector-81, Knowledge City, SAS Nagar Mohali, Punjab 140306, India
| | - Naimat K Bari
- Chemical Biology Unit, Institute of Nano Science and Technology (INST), Sector-81, Knowledge City, SAS Nagar Mohali, Punjab 140306, India
| | - Ankush Garg
- Chemical Biology Unit, Institute of Nano Science and Technology (INST), Sector-81, Knowledge City, SAS Nagar Mohali, Punjab 140306, India
| | - Sharmistha Sinha
- Chemical Biology Unit, Institute of Nano Science and Technology (INST), Sector-81, Knowledge City, SAS Nagar Mohali, Punjab 140306, India.
| |
Collapse
|
14
|
Preparation of Chitosan/Magnetic Porous Biochar as Support for Cellulase Immobilization by Using Glutaraldehyde. Polymers (Basel) 2020; 12:polym12112672. [PMID: 33198227 PMCID: PMC7697689 DOI: 10.3390/polym12112672] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 11/11/2020] [Accepted: 11/11/2020] [Indexed: 11/17/2022] Open
Abstract
In this work, porous biochar was obtained from sugarcane bagasse by alkali activation and pyrolysis and then magnetized with γ-Fe2O3 by calcination. After functionalization with chitosan and activation with glutaraldehyde, the as-prepared chitosan/magnetic porous biochar served as a support to immobilize cellulase by covalent bonds. The immobilization amount of cellulase was 80.5 mg cellulase/g support at pH 5 and 25 °C for 12 h of immobilization. To determine the enzymatic properties, 1% carboxymethyl cellulose sodium (CMC) (dissolved in 0.1 M buffer) was considered as a substrate for hydrolysis at different pH values (3–7) and temperatures (30–70 °C) for 30 min. The results showed that the optimum pH and temperature of the free and immobilized cellulase did not change, which were pH 4 and 60 °C, respectively. The immobilized cellulase had a relatively high activity recovery of 73.0%. However, it also exhibited a higher Michaelis–Menten constant (Km) value and a slower maximum reaction velocity (Vmax) value compared to the free enzyme. In the reusability assay, the immobilized cellulase showed initial glucose productivity of 330.9 mg glucose/g CMC and remained at 86.0% after 10 uses. In conclusion, the chitosan/magnetic porous biochar has great potential applications as a support for enzyme immobilization.
Collapse
|
15
|
Optimization of the Biocatalysis for D-DIBOA Synthesis Using a Quick and Sensitive New Spectrophotometric Quantification Method. Int J Mol Sci 2020; 21:ijms21228523. [PMID: 33198293 PMCID: PMC7697731 DOI: 10.3390/ijms21228523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 11/09/2020] [Accepted: 11/09/2020] [Indexed: 11/17/2022] Open
Abstract
D-DIBOA (4-hydroxy-(2H)-1,4-benzoxazin-3-(4H)-one) is an allelopathic-derived compound with interesting herbicidal, fungicidal, and insecticide properties whose production has been successfully achieved by biocatalysis using a genetically engineered Escherichia coli strain. However, improvement and scaling-up of this process are hampered by the current methodology for D-DIBOA quantification, which is based on high-performance liquid chromatographic (HPLC), a time-consuming technique that requires expensive equipment and the use of environmentally unsafe solvents. In this work, we established and validated a rapid, simple, and sensitive spectrophotometric method for the quantification of the D-DIBOA produced by whole-cell biocatalysis, with limits of detection and quantification of 0.0165 and 0.0501 µmol·mL−1 respectively. This analysis takes place in only a few seconds and can be carried out using 100 µL of the sample in a microtiter plate reader. We performed several whole-cell biocatalysis strategies to optimize the process by monitoring D-DIBOA production every hour to keep control of both precursor and D-DIBOA concentrations in the bioreactor. These experiments allowed increasing the D-DIBOA production from the previously reported 5.01 mM up to 7.17 mM (43% increase). This methodology will facilitate processes such as the optimization of the biocatalyst, the scaling up, and the downstream purification.
Collapse
|
16
|
Carvalho T, Pereira ADS, Bonomo RC, Franco M, Finotelli PV, Amaral PF. Simple physical adsorption technique to immobilize Yarrowia lipolytica lipase purified by different methods on magnetic nanoparticles: Adsorption isotherms and thermodynamic approach. Int J Biol Macromol 2020; 160:889-902. [DOI: 10.1016/j.ijbiomac.2020.05.174] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/19/2020] [Accepted: 05/21/2020] [Indexed: 02/08/2023]
|
17
|
Wang X, Li C, Wang M, Zhao T, Li W. Bifunctional Microcapsules with n-Octadecane/Thyme Oil Core and Polyurea Shell for High-Efficiency Thermal Energy Storage and Antibiosis. Polymers (Basel) 2020; 12:E2226. [PMID: 32998274 PMCID: PMC7599999 DOI: 10.3390/polym12102226] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/22/2020] [Accepted: 09/24/2020] [Indexed: 11/17/2022] Open
Abstract
A new kind of bifunctional microcapsule containing a n-octadecane (OD) and thyme oil (TO) core based on polyurea shell designed for thermal energy storage and antibiosis was prepared successfully through interfacial polymerization. The scanning electron microscopic investigations reveal that the obtained composite microcapsules present the regular spherical morphology and the transmission electron microscopic observations confirm the clear core-shell structure. Morphological and chemical structure analyses prove the successful synthesis of bifunctional microcapsules. Thermogravimetric analysis indicates that the polyurea shell can protect the composite cores effectively. Differential scanning calorimetry examination shows that the bifunctional microcapsules can maintain high thermal storage capacity and the encapsulation efficiency of OD increases with the increase in TO. The supercooling crystallization can be notably suppressed by adding 7 wt.% of n-octadecanol. A study on the release behavior of TO from the bifunctional microcapsules reveals that the Higuchi kinetic model could better fit the TO release profile. The antibacterial results demonstrate that the bifunctional microcapsules can effectively inhibit the growth of Staphylococcus aureus and the inhibition rate can reach as high as 99.9% when the mass concentration of microcapsules is over 3 wt.%.
Collapse
Affiliation(s)
- Xianfeng Wang
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China; (X.W.); (M.W.)
| | - Chunhong Li
- Lutai School of Textile and Apparel, Shandong University of Technology, Zibo 255000, China;
| | - Meihui Wang
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China; (X.W.); (M.W.)
| | - Tao Zhao
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China; (X.W.); (M.W.)
- Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, Donghua University, Shanghai 201620, China
| | - Wenyao Li
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| |
Collapse
|
18
|
Lipase immobilization on ceramic supports: An overview on techniques and materials. Biotechnol Adv 2020; 42:107581. [DOI: 10.1016/j.biotechadv.2020.107581] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 06/17/2020] [Accepted: 06/18/2020] [Indexed: 02/08/2023]
|
19
|
Karimi S, Namazi H. Simple preparation of maltose-functionalized dendrimer/graphene quantum dots as a pH-sensitive biocompatible carrier for targeted delivery of doxorubicin. Int J Biol Macromol 2020; 156:648-659. [DOI: 10.1016/j.ijbiomac.2020.04.037] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 03/24/2020] [Accepted: 04/03/2020] [Indexed: 02/06/2023]
|
20
|
Bovine hemoglobin adsorption onto modified silica nanoparticles: Multi-spectroscopic measurements based on kinetics and protein conformation. Int J Biol Macromol 2020; 155:208-215. [DOI: 10.1016/j.ijbiomac.2020.03.211] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/19/2020] [Accepted: 03/25/2020] [Indexed: 12/23/2022]
|
21
|
Lopez-Barbosa N, Campaña AL, Cruz JC, Ornelas-Soto N, Osma JF. Enhanced Catalytic Dye Decolorization by Microencapsulation of Laccase from P. Sanguineus CS43 in Natural and Synthetic Polymers. Polymers (Basel) 2020; 12:polym12061353. [PMID: 32560036 PMCID: PMC7362170 DOI: 10.3390/polym12061353] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 05/27/2020] [Accepted: 05/29/2020] [Indexed: 12/24/2022] Open
Abstract
Polymeric microcapsules with the fungal laccase from Pycnoporus sanguineus CS43 may represent an attractive avenue for the removal or degradation of dyes from wastewaters. Microcapsules of alginate/chitosan (9.23 ± 0.12 µm) and poly(styrenesulfonate) (PSS) (9.25 ± 0.35 µm) were synthesized and subsequently tested for catalytic activity in the decolorization of the diazo dye Congo Red. Successful encapsulation into the materials was verified via confocal microscopy of labeled enzyme molecules. Laccase activity was measured as a function of time and the initial reaction rates were recovered for each preparation, showing up to sevenfold increase with respect to free laccase. The ability of substrates to diffuse through the pores of the microcapsules was evaluated with the aid of fluorescent dyes and confocal microscopy. pH and thermal stability were also measured for encapsulates, showing catalytic activity for pH values as low as 4 and temperatures of about 80 °C. Scanning electron microscope (SEM) analyses demonstrated the ability of PSS capsules to avoid accumulation of byproducts and, therefore, superior catalytic performance. This was corroborated by the direct observation of substrates diffusing in and out of the materials. Compared with our PSS preparation, alginate/chitosan microcapsules studied by others degrade 2.6 times more dye, albeit with a 135-fold increase in units of enzyme per mg of dye. Similarly, poly(vinyl) alcohol microcapsules from degrade 1.7 times more dye, despite an eightfold increase in units of enzyme per mg of dye. This could be potentially beneficial from the economic viewpoint as a significantly lower amount of enzyme might be needed for the same decolorization level achieved with similar encapsulated systems.
Collapse
Affiliation(s)
- Natalia Lopez-Barbosa
- Department of Electrical and Electronic Engineering, Universidad de los Andes, Cra. 1E No. 19a-40, Bogotá D.C. 111711, Colombia; (N.L.-B.); (A.L.C.)
- Department of Biomedical Engineering, Universidad de Los Andes, Cra. 1E No. 19a-40, Bogotá D.C. 111711, Colombia;
| | - Ana Lucía Campaña
- Department of Electrical and Electronic Engineering, Universidad de los Andes, Cra. 1E No. 19a-40, Bogotá D.C. 111711, Colombia; (N.L.-B.); (A.L.C.)
| | - Juan C. Cruz
- Department of Biomedical Engineering, Universidad de Los Andes, Cra. 1E No. 19a-40, Bogotá D.C. 111711, Colombia;
| | - Nancy Ornelas-Soto
- Laboratorio de Nanotecnología Ambiental, Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Monterrey 64849, Mexico;
| | - Johann F. Osma
- Department of Electrical and Electronic Engineering, Universidad de los Andes, Cra. 1E No. 19a-40, Bogotá D.C. 111711, Colombia; (N.L.-B.); (A.L.C.)
- Correspondence: ; Tel.: +57-1-339-4949
| |
Collapse
|
22
|
Estevez R, Aguado-Deblas L, Montes V, Caballero A, Bautista F. Sulfonated carbons from olive stones as catalysts in the microwave-assisted etherification of glycerol with tert-butyl alcohol. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.110921] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
23
|
Tarrahi R, Fathi Z, Seydibeyoğlu MÖ, Doustkhah E, Khataee A. Polyhydroxyalkanoates (PHA): From production to nanoarchitecture. Int J Biol Macromol 2020; 146:596-619. [DOI: 10.1016/j.ijbiomac.2019.12.181] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 12/03/2019] [Accepted: 12/20/2019] [Indexed: 02/07/2023]
|
24
|
Khaef S, Rostami A, Khakyzadeh V, Zolfigol MA, Taherpour AA, Yarie M. Regioselective Ortho‐C H sulfenylation of free phenols catalyzed by Co(II)-immobilized on silica-coated magnetic nanoparticles. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.110772] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
25
|
TiO 2 Sol-Gel Coated PAN/O-MMT Multi-Functional Composite Nanofibrous Membrane Used as the Support for Laccase Immobilization: Synergistic Effect between the Membrane Support and Enzyme for Dye Degradation. Polymers (Basel) 2020; 12:polym12010139. [PMID: 31935886 PMCID: PMC7023346 DOI: 10.3390/polym12010139] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 12/28/2019] [Accepted: 01/01/2020] [Indexed: 02/06/2023] Open
Abstract
Removal of a triphenylmethane dye (crystal violet, CV) by a simultaneous enzymatic-photocatalytic-adsorption treatment was investigated in this work. A desirable synergistic effect on dye treatment was achieved by decorating laccase (Lac) onto the surface of TiO2 sol-gel coated polyacrylonitrile/organically modified montmorillonite (PAN/O-MMT) nanofibers prepared by electrospinning. The assembly of Lac on the surface of PAN/O-MMT/TiO2 nanofibers was confirmed by confocal laser scanning microscope (CLSM). In comparison with free Lac, the immobilized Lac showed better pH, temperature and operational stabilities, reaching highest relative activity at an optimum pH of 3 and optimum temperature of 50 °C. Therefore, the immobilized Lac displayed a higher degradation efficiency of CV at an initial dye concentration of 100 mg/L, an optimum pH of 4.5 and temperature at 60 °C. Under UV illumination, the CV removal efficiency was further improved by ~20%. These results demonstrated that the Lac-immobilized PAN/O-MMT/TiO2 composite nanofibers with a combined effect between the immobilized enzyme and the polymeric support have potential for industrial dye degradation.
Collapse
|
26
|
Zhu F, Xu W, Li X, Meng H, Han Y, Wu J, Xu J, Xu Y, Zhang X. Lipase immobilization on UiO-66/poly(vinylidene fluoride) hybrid membranes and active catalysis in the vegetable oil hydrolysis. NEW J CHEM 2020. [DOI: 10.1039/d0nj03282d] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
This is the first report in which UiO-66/PVDF hybrid membranes with high immobilization efficiency for lipase were constructed.
Collapse
Affiliation(s)
- Fenfen Zhu
- Faculty of Chemistry
- Northeastern University
- Shenyang 110819
- China
| | - Wei Xu
- Faculty of Chemistry
- Northeastern University
- Shenyang 110819
- China
| | - Xiao Li
- Faculty of Chemistry
- Northeastern University
- Shenyang 110819
- China
| | - Hao Meng
- Faculty of Chemistry
- Northeastern University
- Shenyang 110819
- China
| | - Yide Han
- Faculty of Chemistry
- Northeastern University
- Shenyang 110819
- China
| | - Junbiao Wu
- Faculty of Chemistry
- Northeastern University
- Shenyang 110819
- China
| | - Junli Xu
- Faculty of Chemistry
- Northeastern University
- Shenyang 110819
- China
| | - Yan Xu
- Faculty of Chemistry
- Northeastern University
- Shenyang 110819
- China
| | - Xia Zhang
- Faculty of Chemistry
- Northeastern University
- Shenyang 110819
- China
| |
Collapse
|
27
|
Regioselective Acylation of Levoglucosan Catalyzed by Candida Antarctica (CaLB) Lipase Immobilized on Epoxy Resin. SUSTAINABILITY 2019. [DOI: 10.3390/su11216044] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Every year, a large amount of residual agroindustrial waste has been generated and only around 10% is in fact reused. The development of new strategies for biomass valorization is important to add value to these commodities, since biomass is an excellent alternative feedstock to obtain chemicals of interest from renewable resources. The major compound of pyrolytic treatment of lignocellulosic biomass is levoglucosan (1,6-anhydroglucopyranose), an anhydro-sugar that can be transformed into glucose and is greatly valued in the most diverse industrial sectors as a surfactant, emulsifier, or even a lubricant. In this work, levoglucosan was acylated by lipase-catalyzed transesterification in acetonitrile with great conversions and selectivities with different acyl donors such as ethyl esters of lauric, palmitic, stearic, and oleic acids prepared in situ in an integrated strategy mediated by commercial lipases Novozym435 (N435), PSIM, and the home-made biocatalyst CaLB_epoxy. As a result, all biocatalyst generated mostly monoesters, with N435 being more selective to produce lauric esters (99% at 50°C) and PSIM to produce oleic esters (97% at 55 °C) while CaLB_epoxy was more selective to produce oleic esters of levoglucosan (83% at 55°C). This is the first report in the literature on the production of high selectivity levoglucosan esters.
Collapse
|
28
|
Li R, Yang J, Xiao Y, Long L. In vivo immobilization of an organophosphorus hydrolyzing enzyme on bacterial polyhydroxyalkanoate nano-granules. Microb Cell Fact 2019; 18:166. [PMID: 31601206 PMCID: PMC6785862 DOI: 10.1186/s12934-019-1201-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 08/27/2019] [Indexed: 11/14/2022] Open
Abstract
Background Polyhydroxyalkanoate (PHA) are nano-granules naturally produced by bacteria. Two types of proteins, PHA synthase (PhaC) and phasins (PhaPs), are attached to the PHA surface by covalent and hydrophobic interactions. Utilizing these anchored proteins, functionalized PHA nano-granules displaying proteins of interest can be easily prepared by fermentation. Results In this study, a one-step fabrication method was developed for stable and efficient immobilization of an organophosphorus degrading enzyme on PHA nano-granules. The nano-biocatalysts were produced in recombinant Escherichia coli cells into which the polyhydroxyalkanoate synthesis pathway from Cupriavidus necator had been introduced. Two different strategies, covalent attachment and hydrophobic binding, were investigated by fusing bacterial organophosphorus anhydride hydrolase (OPAA4301) with PhaC and PhaP, respectively. Using both methods, the tetrameric enzyme successfully self-assembled and was displayed on the PHA surface. The display density of the target fused enzyme was enhanced to 6.8% of total protein on decorated PHA by combination of covalent and non-covalent binding modes. Immobilization of the enzyme on PHA granules resulted in higher catalytic efficiency, increased stability and excellent reusability. The kcat values of the immobilized enzymes increased by threefold compared to that of the free enzyme. The pH stability under acidic conditions was significantly enhanced, and the immobilized enzyme was stable at pH 3.0–11.0. Furthermore, more than 80% of the initial enzyme activity retained after recycling ten times. Conclusions This study provides a promising approach for cost-efficient in vivo immobilization of a tetrameric organophosphorus degrading enzyme. The immobilization process expands the utility of the enzyme, and may inspire further commercial developments of PHA nano-biocatalysts. As revealed by our results, combination of covalent and non-covalent binding is recommended for display of enzymes on PHA granules.
Collapse
Affiliation(s)
- Ru Li
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, RNAM Center for Marine Microbiology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, People's Republic of China.,University of the Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Jian Yang
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, RNAM Center for Marine Microbiology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, People's Republic of China
| | - Yunzhu Xiao
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, RNAM Center for Marine Microbiology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, People's Republic of China.,Shenzhen Key Laboratory of Microbial Genetic Engineering, College of Life Sciences and Oceanology, Shenzhen University, Shenzhen, 518055, Guangdong, People's Republic of China
| | - Lijuan Long
- CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology, RNAM Center for Marine Microbiology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, People's Republic of China. .,University of the Chinese Academy of Sciences, Beijing, 100049, People's Republic of China.
| |
Collapse
|
29
|
Chitosan-alginate beads as encapsulating agents for Yarrowia lipolytica lipase: Morphological, physico-chemical and kinetic characteristics. Int J Biol Macromol 2019; 139:621-630. [DOI: 10.1016/j.ijbiomac.2019.08.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 07/17/2019] [Accepted: 08/01/2019] [Indexed: 11/21/2022]
|
30
|
Li Y, Zhang H. Fe 3O 4-based nanotheranostics for magnetic resonance imaging-synergized multifunctional cancer management. Nanomedicine (Lond) 2019; 14:1493-1512. [PMID: 31215317 DOI: 10.2217/nnm-2018-0346] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Iron oxide (Fe3O4)-based theranostic agents show great promise toward advancing personalized nanomedicine due to their extraordinary physicochemical and biological properties. This original review aims to highlight and summarize the most recent progress of Fe3O4, starting with the synthesis and surface modification of superparamagnetic iron oxide nanoparticles (NPs). Desirable features of Fe3O4 are the initial focus, followed by a review of their theranostic applications including sensitive MRI, multimodal imaging and MRI-guided cancer therapy. Finally, potential nanotoxicity, regulatory and clinical translation barriers are addressed to outline future perspectives on Fe3O4 NP-based multifunctional theranostic platforms. It is strongly believed that in the near future, Fe3O4 NPs will open new routes with regard to cancer management.
Collapse
Affiliation(s)
- Yanan Li
- Department of Radiology, First Clinical Medical College, Shanxi Medical University, Taiyuan 030001, Shanxi Province, PR China.,College of Medical Imaging, Shanxi Medical University, Taiyuan 030001, Shanxi Province, PR China
| | - Hui Zhang
- Department of Radiology, First Clinical Medical College, Shanxi Medical University, Taiyuan 030001, Shanxi Province, PR China.,College of Medical Imaging, Shanxi Medical University, Taiyuan 030001, Shanxi Province, PR China
| |
Collapse
|
31
|
Chemical, physical, and biological coordination: An interplay between materials and enzymes as potential platforms for immobilization. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.02.024] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
|
32
|
Cheng G, Xing J, Pi Z, Liu S, Liu Z, Song F. α-Glucosidase immobilization on functionalized Fe3O4 magnetic nanoparticles for screening of enzyme inhibitors. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2018.12.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
|