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Saad MM, Saad AM, Hassan HM, Ibrahim EI, Hassabo AA, Ali BA. Bioremoval of tannins and heavy metals using immobilized tannase and biomass of Aspergillus glaucus. Microb Cell Fact 2024; 23:209. [PMID: 39054459 PMCID: PMC11271194 DOI: 10.1186/s12934-024-02477-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 07/08/2024] [Indexed: 07/27/2024] Open
Abstract
BACKGROUND The presence of inorganic pollutants and heavy metals in industrial effluents has become a serious threat and environmental issues. Fungi have a remarkable ability to exclude heavy metals from wastewater through biosorption in eco-friendly way. Tannase plays an important role in bioconversion of tannin, a major constituent of tannery effluent, to gallic acid which has great pharmaceutical applications. Therefore, the aim of the current study was to exploit the potential of tannase from Aspergillus glaucus and fungal biomass waste for the bioremediation of heavy metals and tannin. RESULTS Tannase from A. glaucus was partially purified 4.8-fold by ammonium sulfate precipitation (80%). The enzyme was optimally active at pH 5.0 and 40 °C and stable at this temperature for 1 h. Tannase showed high stability at different physiological conditions, displayed about 50% of its activity at 60 °C and pH range 5.0-6.0. Immobilization of tannase was carried out using methods such. as entrapment in Na-alginate and covalent binding to chitosan. The effects of Na-alginate concentrations on the beads formation and enzyme immobilization revealed that maximum immobilization efficiency (75%) was obtained with 3% Na-alginate. A potential reusability of the immobilized enzyme was showed through keeping 70% of its relative activity up to the fourth cycle. The best bioconversion efficiency of tannic acid to gallic acid by immobilized tannase was at 40 °C with tannic acid concentration up to 50 g/l. Moreover, bioremediation of heavy metal (Cr3+, Pb2+, Cu2+, Fe3+, and Mn2+) from aqueous solution using A. glaucus biomass waste was achieved with uptake percentage of (37.20, 60.30, 55.27, 79.03 and 21.13 respectively). The biomass was successfully used repeatedly for removing Cr3+ after using desorbing agent (0.1 N HCl) for three cycles. CONCLUSION These results shed the light on the potential use of tannase from locally isolated A. glaucus in the bioremediation of industrial tanneries contained heavy metals and tannin.
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Affiliation(s)
- Moataza Mahmoud Saad
- Microbial Chemistry Department, National Research Centre (NRC), 33 EL-Bohouth St., Dokki 12622, Giza, Egypt
| | - Abdelnaby Mahmoud Saad
- Microbial Chemistry Department, National Research Centre (NRC), 33 EL-Bohouth St., Dokki 12622, Giza, Egypt
| | - Helmy Mohamed Hassan
- Microbial Chemistry Department, National Research Centre (NRC), 33 EL-Bohouth St., Dokki 12622, Giza, Egypt
| | - Eman I Ibrahim
- Microbial Chemistry Department, National Research Centre (NRC), 33 EL-Bohouth St., Dokki 12622, Giza, Egypt
| | - Amany A Hassabo
- Microbial Chemistry Department, National Research Centre (NRC), 33 EL-Bohouth St., Dokki 12622, Giza, Egypt
| | - Basant A Ali
- Microbial Chemistry Department, National Research Centre (NRC), 33 EL-Bohouth St., Dokki 12622, Giza, Egypt.
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Scheibel DM, Gitsov IPI, Gitsov I. Enzymes in "Green" Synthetic Chemistry: Laccase and Lipase. Molecules 2024; 29:989. [PMID: 38474502 DOI: 10.3390/molecules29050989] [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: 12/30/2023] [Revised: 02/14/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
Enzymes play an important role in numerous natural processes and are increasingly being utilized as environmentally friendly substitutes and alternatives to many common catalysts. Their essential advantages are high catalytic efficiency, substrate specificity, minimal formation of byproducts, and low energy demand. All of these benefits make enzymes highly desirable targets of academic research and industrial development. This review has the modest aim of briefly overviewing the classification, mechanism of action, basic kinetics and reaction condition effects that are common across all six enzyme classes. Special attention is devoted to immobilization strategies as the main tools to improve the resistance to environmental stress factors (temperature, pH and solvents) and prolong the catalytic lifecycle of these biocatalysts. The advantages and drawbacks of methods such as macromolecular crosslinking, solid scaffold carriers, entrapment, and surface modification (covalent and physical) are discussed and illustrated using numerous examples. Among the hundreds and possibly thousands of known and recently discovered enzymes, hydrolases and oxidoreductases are distinguished by their relative availability, stability, and wide use in synthetic applications, which include pharmaceutics, food and beverage treatments, environmental clean-up, and polymerizations. Two representatives of those groups-laccase (an oxidoreductase) and lipase (a hydrolase)-are discussed at length, including their structure, catalytic mechanism, and diverse usage. Objective representation of the current status and emerging trends are provided in the main conclusions.
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Affiliation(s)
- Dieter M Scheibel
- Department of Chemistry, State University of New York-ESF, Syracuse, NY 13210, USA
| | - Ioan Pavel Ivanov Gitsov
- Science and Technology, Medtronic Incorporated, 710 Medtronic Parkway, Minneapolis, MN 55432, USA
| | - Ivan Gitsov
- Department of Chemistry, State University of New York-ESF, Syracuse, NY 13210, USA
- The Michael M. Szwarc Polymer Research Institute, Syracuse, NY 13210, USA
- Biomedical and Chemical Engineering Department, Syracuse University, Syracuse, NY 13210, USA
- BioInspired Institute, Syracuse, NY 13210, USA
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Yaashikaa PR, Devi MK, Kumar PS. Advances in the application of immobilized enzyme for the remediation of hazardous pollutant: A review. CHEMOSPHERE 2022; 299:134390. [PMID: 35339523 DOI: 10.1016/j.chemosphere.2022.134390] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/03/2022] [Accepted: 03/18/2022] [Indexed: 06/14/2023]
Abstract
Nowadays, ecofriendly, low-cost, and sustainable alternatives techniques have been focused on the effective removal of hazardous pollutants from the water streams. In this context, enzyme immobilization seems to be of specific interest to several researchers to develop novel, effective, greener, and hybrid strategies for the removal of toxic contaminants. Immobilization is a biotechnological tool, anchoring the enzymes on support material to enhance the stability and retain the structural conformation of enzymes for catalysis. Recyclability and reusability are the main merits of immobilized enzymes over free enzymes. Studies showed that immobilized enzyme laccase can be used up to 7 cycles with 66% efficiency, peroxidase can be recycled to 2 cycles with 50% efficiency, and also cellulase to 3 cycles with 91% efficiency. In this review, basic concepts of immobilization, different immobilization techniques, and carriers used for immobilization are summarized. In addition to that, the potential of immobilized enzymes as the bioremediation agents for the effective degradation of pollutants from the contaminated zone and the impact of different operating parameters are summarized in-depth. Further, this review provides future trends and challenges that have to be solved shortly for enhancing the potential of immobilized systems for large-scale industrial wastewater treatment.
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Affiliation(s)
- P R Yaashikaa
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - M Keerthana Devi
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India.
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Ren S, Wang Z, Bilal M, Feng Y, Jiang Y, Jia S, Cui J. Co-immobilization multienzyme nanoreactor with co-factor regeneration for conversion of CO2. Int J Biol Macromol 2020; 155:110-118. [DOI: 10.1016/j.ijbiomac.2020.03.177] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 03/18/2020] [Accepted: 03/20/2020] [Indexed: 01/13/2023]
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Alkaline Phosphatase Immobilization on New Chitosan Membranes with Mg 2+ for Biomedical Applications. Mar Drugs 2018; 16:md16080287. [PMID: 30126191 PMCID: PMC6117669 DOI: 10.3390/md16080287] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 07/28/2018] [Accepted: 08/17/2018] [Indexed: 12/02/2022] Open
Abstract
In this paper, we present the fabrication and characterization of new chitosan-based membranes while using a new biotechnology for immobilizing alkaline phosphatase (ALP). This technology involved metal ions incorporation to develop new biopolymeric supports. The chemical structure and morphological characteristics of proposed membranes were evaluated by infrared spectroscopy (FT-IR) and the scanning electron microscopy technique (SEM). The inductively coupled plasma mass spectrometry (ICP-MS) evidenced the metal ion release in time. Moreover, the effect of Mg2+ on the enzymatic activity and the antibacterial investigations while using Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus bacteria, hemolysis, and biocompatibility behavior were studied. Immobilizing ALP into the chitosan membranes composition followed by the incorporation of Mg2+ led to polymeric supports with enhanced cellular viability when comparing to chitosan-based membranes without Mg2+. The results obtained evidenced promising performance in biomedical applications for the new biopolymeric supports that are based on chitosan, ALP, and metal ions.
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Hanada K, Morotomi T, Washio A, Yada N, Matsuo K, Teshima H, Yokota K, Kitamura C. In vitro and in vivo effects of a novel bioactive glass-based cement used as a direct pulp capping agent. J Biomed Mater Res B Appl Biomater 2018; 107:161-168. [PMID: 29575555 DOI: 10.1002/jbm.b.34107] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 02/14/2018] [Accepted: 02/26/2018] [Indexed: 01/29/2023]
Abstract
Direct pulp capping is an important procedure for preserving pulp viability. The pulp capping agent must possess several properties, including usability, biocompatibility, and the ability to induce reparative dentin formation. In this study, a novel bioactive glass-based cement was examined to determine whether the cement has the necessary properties to act as a direct pulp capping agent. Physicochemical properties of the bioactive glass-based cement and in vitro effects of the cement on odontoblast-like cells, as well as in vivo effects on the exposed dental pulp, were analyzed. The cement immersed in water stabilized at pH10, and hydroxyapatite-like precipitation was induced on the surface of the cement in simulate body fluid. There were no cytotoxic effects on the viability, alkaline phosphatase activity, or calcium deposition ability of odontoblast-like cells. In the in vivo rat study of an exposed dental pulp model, the cement induced a sufficient level of reparative dentin formation by odontoblast-like cells expressing odontoblastic markers at the exposed area of the dental pulp. These results suggest that the newly developed bioactive glass-based cement provides favorable biocompatibility with the dental pulp and may be useful as a direct pulp capping agent. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 107B: 161-168, 2019.
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Affiliation(s)
- Kaori Hanada
- Division of Endodontics and Restorative Dentistry, Department of Science of Oral Functions, Kyushu Dental University, Fukuoka, Japan
| | - Takahiko Morotomi
- Division of Endodontics and Restorative Dentistry, Department of Science of Oral Functions, Kyushu Dental University, Fukuoka, Japan
| | - Ayako Washio
- Division of Endodontics and Restorative Dentistry, Department of Science of Oral Functions, Kyushu Dental University, Fukuoka, Japan
| | - Naomi Yada
- Division of Oral Pathology, Department of Health Promotion, Kyushu Dental University, Fukuoka, Japan
| | - Kou Matsuo
- Division of Oral Pathology, Department of Health Promotion, Kyushu Dental University, Fukuoka, Japan
| | | | | | - Chiaki Kitamura
- Division of Endodontics and Restorative Dentistry, Department of Science of Oral Functions, Kyushu Dental University, Fukuoka, Japan
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Sok V, Fragoso A. Preparation and characterization of alkaline phosphatase, horseradish peroxidase, and glucose oxidase conjugates with carboxylated carbon nano-onions. Prep Biochem Biotechnol 2018; 48:136-143. [DOI: 10.1080/10826068.2017.1405025] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Vibol Sok
- Nanobiotechnology & Bioanalysis Group, Departament d’Enginyeria Química, Universitat Rovira i Virgili, Tarragona, Spain
| | - Alex Fragoso
- Nanobiotechnology & Bioanalysis Group, Departament d’Enginyeria Química, Universitat Rovira i Virgili, Tarragona, Spain
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