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Vasić K, Knez Ž, Leitgeb M. Multifunctional Iron Oxide Nanoparticles as Promising Magnetic Biomaterials in Drug Delivery: A Review. J Funct Biomater 2024; 15:227. [PMID: 39194665 DOI: 10.3390/jfb15080227] [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: 07/16/2024] [Revised: 08/09/2024] [Accepted: 08/12/2024] [Indexed: 08/29/2024] Open
Abstract
A wide range of applications using functionalized magnetic nanoparticles (MNPs) in biomedical applications, such as in biomedicine as well as in biotechnology, have been extensively expanding over the last years. Their potential is tremendous in delivery and targeting systems due to their advantages in biosubstance binding. By applying magnetic materials-based biomaterials to different organic polymers, highly advanced multifunctional bio-composites with high specificity, efficiency, and optimal bioavailability are designed and implemented in various bio-applications. In modern drug delivery, the importance of a successful therapy depends on the proper targeting of loaded bioactive components to specific sites in the body. MNPs are nanocarrier-based systems that are magnetically guided to specific regions using an external magnetic field. Therefore, MNPs are an excellent tool for different biomedical applications, in the form of imaging agents, sensors, drug delivery targets/vehicles, and diagnostic tools in managing disease therapy. A great contribution was made to improve engineering skills in surgical diagnosis, therapy, and treatment, while the advantages and applicability of MNPs have opened up a large scope of studies. This review highlights MNPs and their synthesis strategies, followed by surface functionalization techniques, which makes them promising magnetic biomaterials in biomedicine, with special emphasis on drug delivery. Mechanism of the delivery system with key factors affecting the drug delivery efficiency using MNPs are discussed, considering their toxicity and limitations as well.
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Affiliation(s)
- Katja Vasić
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, 2000 Maribor, Slovenia
| | - Željko Knez
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, 2000 Maribor, Slovenia
- Faculty of Medicine, University of Maribor, Taborska ulica 8, 2000 Maribor, Slovenia
| | - Maja Leitgeb
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, 2000 Maribor, Slovenia
- Faculty of Medicine, University of Maribor, Taborska ulica 8, 2000 Maribor, Slovenia
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2
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Renzi E, Esposito A, Leone L, Chávez M, Pineda T, Lombardi A, Nastri F. Biohybrid materials comprising an artificial peroxidase and differently shaped gold nanoparticles. NANOSCALE ADVANCES 2024; 6:3533-3542. [PMID: 38989515 PMCID: PMC11232542 DOI: 10.1039/d4na00344f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Accepted: 06/01/2024] [Indexed: 07/12/2024]
Abstract
The immobilization of biocatalysts on inorganic supports allows the development of bio-nanohybrid materials with defined functional properties. Gold nanomaterials (AuNMs) are the main players in this field, due to their fascinating shape-dependent properties that account for their versatility. Even though incredible progress has been made in the preparation of AuNMs, few studies have been carried out to analyze the impact of particle morphology on the behavior of immobilized biocatalysts. Herein, the artificial peroxidase Fe(iii)-Mimochrome VI*a (FeMC6*a) was conjugated to two different anisotropic gold nanomaterials, nanorods (AuNRs) and triangular nanoprisms (AuNTs), to investigate how the properties of the nanosupport can affect the functional behavior of FeMC6*a. The conjugation of FeMC6*a to AuNMs was performed by a click-chemistry approach, using FeMC6*a modified with pegylated aza-dibenzocyclooctyne (FeMC6*a-PEG4@DBCO), which was allowed to react with azide-functionalized AuNRs and AuNTs, synthesized from citrate-capped AuNMs. To this end, a literature protocol for depleting CTAB from AuNRs was herein reported for the first time to prepare citrate-AuNTs. The overall results suggest that the nanomaterial shape influences the nanoconjugate functional properties. Besides giving new insights into the effect of the surfaces on the artificial peroxidase properties, these results open up the way for creating novel nanostructures with potential applications in the field of sensing devices.
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Affiliation(s)
- Emilia Renzi
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario Monte S. Angelo via Cintia Naples 80126 Italy
| | - Alessandra Esposito
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario Monte S. Angelo via Cintia Naples 80126 Italy
| | - Linda Leone
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario Monte S. Angelo via Cintia Naples 80126 Italy
| | - Miriam Chávez
- Department of Physical Chemistry and Applied Thermodynamics, Institute of Chemistry for Energy and Environment, University of Cordoba, Campus Rabanales Ed. Marie Curie Córdoba E-14014 Spain
| | - Teresa Pineda
- Department of Physical Chemistry and Applied Thermodynamics, Institute of Chemistry for Energy and Environment, University of Cordoba, Campus Rabanales Ed. Marie Curie Córdoba E-14014 Spain
| | - Angela Lombardi
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario Monte S. Angelo via Cintia Naples 80126 Italy
| | - Flavia Nastri
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario Monte S. Angelo via Cintia Naples 80126 Italy
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3
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Tacias-Pascacio VG, Castañeda-Valbuena D, Tavano O, Abellanas-Perez P, de Andrades D, Santiz-Gómez JA, Berenguer-Murcia Á, Fernandez-Lafuente R. A review on the immobilization of bromelain. Int J Biol Macromol 2024; 273:133089. [PMID: 38878936 DOI: 10.1016/j.ijbiomac.2024.133089] [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: 05/21/2024] [Accepted: 06/09/2024] [Indexed: 06/24/2024]
Abstract
This review shows the endeavors performed to prepare immobilized formulations of bromelain extract, usually from pineapple, and their use in diverse applications. This extract has a potent proteolytic component that is based on thiol proteases, which differ depending on the location on the fruit. Stem and fruit are the areas where higher activity is found. The edible origin of this enzyme is one of the features that determines the applications of the immobilized bromelain to a more significant degree. The enzyme has been immobilized on a wide diversity of supports via different strategies (covalent bonds, ion exchange), and also forming ex novo solids (nanoflowers, CLEAs, trapping in alginate beads, etc.). The use of preexisting nanoparticles as immobilization supports is relevant, as this facilitates one of the main applications of the immobilized enzyme, in therapeutic applications (as wound dressing and healing components, antibacterial or anticancer, mucus mobility control, etc.). A curiosity is the immobilization of this enzyme on spores of probiotic microorganisms via adsorption, in order to have a perfect in vivo compatibility. Other outstanding applications of the immobilized enzyme are in the stabilization of wine versus haze during storage, mainly when immobilized on chitosan. Curiously, the immobilized bromelain has been scarcely applied in the production of bioactive peptides.
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Affiliation(s)
- Veymar G Tacias-Pascacio
- Facultad de Ciencias de la Nutrición y Alimentos, Universidad de Ciencias y Artes de Chiapas, Lib. Norte Pte. 1150, 29039 Tuxtla Gutiérrez, Chiapas, Mexico.
| | - Daniel Castañeda-Valbuena
- Facultad de Ciencias de la Nutrición y Alimentos, Universidad de Ciencias y Artes de Chiapas, Lib. Norte Pte. 1150, 29039 Tuxtla Gutiérrez, Chiapas, Mexico
| | - Olga Tavano
- Faculty of Nutrition, Alfenas Federal Univ., 700 Gabriel Monteiro da Silva St, Alfenas, MG 37130-000, Brazil
| | | | - Diandra de Andrades
- Departamento de Biocatálisis, ICP-CSIC, Campus UAM-CSIC, Madrid, Spain; Department of Biology, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-901, SP, Brazil
| | - José Alfredo Santiz-Gómez
- Tecnológico Nacional de México/Instituto Tecnológico de Tuxtla Gutiérrez, Carretera Panamericana Km. 1080, 29050 Tuxtla Gutiérrez, Chiapas, Mexico
| | - Ángel Berenguer-Murcia
- Departamento de Química Inorgánica e Instituto Universitario de Materiales, Universidad de Alicante, Alicante, Spain
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4
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Farzin MA, Naghib SM, Rabiee N. Advancements in Bio-inspired Self-Powered Wireless Sensors: Materials, Mechanisms, and Biomedical Applications. ACS Biomater Sci Eng 2024; 10:1262-1301. [PMID: 38376103 DOI: 10.1021/acsbiomaterials.3c01633] [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] [Indexed: 02/21/2024]
Abstract
The rapid maturation of smart city ecosystems is intimately linked to advances in the Internet of Things (IoT) and self-powered sensing technologies. Central to this evolution are battery-less sensors that are critical for applications such as continuous health monitoring through blood metabolites and vital signs, the recognition of human activity for behavioral analysis, and the operational enhancement of humanoid robots. The focus on biosensors that exploit the human body for energy-spanning wearable, attachable, and implantable variants has intensified, driven by their broad applicability in areas from underwater exploration to biomedical assays and earthquake monitoring. The heart of these sensors lies in their diverse energy harvesting mechanisms, including biofuel cells, and piezoelectric, triboelectric, and pyroelectric nanogenerators. Notwithstanding the wealth of research, the literature still lacks a holistic review that integrates the design challenges and implementation intricacies of such sensors. Our review seeks to fill this gap by thoroughly evaluating energy harvesting strategies from both material and structural perspectives and assessing their roles in powering an array of sensors for myriad uses. This exploration offers a comprehensive outlook on the state of self-powered sensing devices, tackling the nuances of their deployment and highlighting their potential to revolutionize data gathering in autonomous systems. The intent of this review is to chart the current landscape and future prospects, providing a pivotal reference point for ongoing research and innovation in self-powered wireless sensing technologies.
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Affiliation(s)
- Mohammad Ali Farzin
- Nanotechnology Department, School of Advanced Technologies, Iran University of Science and Technology, P.O. Box 16846-13114, Tehran 13114-16846, Iran
| | - Seyed Morteza Naghib
- Nanotechnology Department, School of Advanced Technologies, Iran University of Science and Technology, P.O. Box 16846-13114, Tehran 13114-16846, Iran
| | - Navid Rabiee
- Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth, WA 6150, Australia
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Kassem R, Cousin A, Clesse D, Poignavent V, Trolet A, Ritzenthaler C, Michon T, Chovin A, Demaille C. Nanobody-guided redox and enzymatic functionalization of icosahedral virus particles for enhanced bioelectrocatalysis. Bioelectrochemistry 2024; 155:108570. [PMID: 37769510 DOI: 10.1016/j.bioelechem.2023.108570] [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: 05/31/2023] [Revised: 09/07/2023] [Accepted: 09/11/2023] [Indexed: 10/03/2023]
Abstract
Icosahedral, 30 nm diameter, grapevine fanleaf virus (GFLV) virus particles are adsorbed onto electrodes and used as nanoscaffolds for the assembly of an integrated glucose oxidizing system, comprising the enzyme pyrroloquinoline quinone-glucose dehydrogenase (PQQ-GDH) and ferrocenylated polyethylene glycol chains (Fc-PEG) as a redox co-substrate. Two different GFLV-specific nanobodies, either fused to the enzyme, or chemically conjugated to Fc-PEG, are used for the regio-selective immunodecoration of the viral particles. A comprehensive kinetic characterization of the enzymatic function of the particles, initially decorated with the enzyme alone shows that simple immobilization on the GFLV capsid has no effect on the kinetic scheme of the enzyme, nor on its catalytic activity. However, we find that co-immobilization of the enzyme and the Fc-PEG co-substrate on GFLV does induce enzymatic enhancement, by promoting cooperativity between the two subunits of the homodimeric enzyme, via "synchronization" of their redox state. A decrease in inhibition of the enzyme by its substrate (glucose) is also observed.
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Affiliation(s)
- Racha Kassem
- Université Paris Cité, CNRS, Laboratoire d'Electrochimie Moléculaire, F-75013 Paris, France
| | - Anne Cousin
- Institut de Biologie Moléculaire des Plantes, UPR2357 du Centre National de la Recherche Scientifique, Université de Strasbourg, F-67084 Strasbourg, France
| | - Daniel Clesse
- Institut de Biologie Moléculaire des Plantes, UPR2357 du Centre National de la Recherche Scientifique, Université de Strasbourg, F-67084 Strasbourg, France
| | - Vianney Poignavent
- Institut de Biologie Moléculaire des Plantes, UPR2357 du Centre National de la Recherche Scientifique, Université de Strasbourg, F-67084 Strasbourg, France
| | - Adrien Trolet
- Institut de Biologie Moléculaire des Plantes, UPR2357 du Centre National de la Recherche Scientifique, Université de Strasbourg, F-67084 Strasbourg, France
| | - Christophe Ritzenthaler
- Institut de Biologie Moléculaire des Plantes, UPR2357 du Centre National de la Recherche Scientifique, Université de Strasbourg, F-67084 Strasbourg, France.
| | - Thierry Michon
- Université de Bordeaux, Biologie du Fruit et Pathologie, INRA UMR 1332, F-33140 Villenave d'Ornon, France.
| | - Arnaud Chovin
- Université Paris Cité, CNRS, Laboratoire d'Electrochimie Moléculaire, F-75013 Paris, France.
| | - Christophe Demaille
- Université Paris Cité, CNRS, Laboratoire d'Electrochimie Moléculaire, F-75013 Paris, France.
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Hooe SL, Smith AD, Dean SN, Breger JC, Ellis GA, Medintz IL. Multienzymatic Cascades and Nanomaterial Scaffolding-A Potential Way Forward for the Efficient Biosynthesis of Novel Chemical Products. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309963. [PMID: 37944537 DOI: 10.1002/adma.202309963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 10/25/2023] [Indexed: 11/12/2023]
Abstract
Synthetic biology is touted as the next industrial revolution as it promises access to greener biocatalytic syntheses to replace many industrial organic chemistries. Here, it is shown to what synthetic biology can offer in the form of multienzyme cascades for the synthesis of the most basic of new materials-chemicals, including especially designer chemical products and their analogs. Since achieving this is predicated on dramatically expanding the chemical space that enzymes access, such chemistry will probably be undertaken in cell-free or minimalist formats to overcome the inherent toxicity of non-natural substrates to living cells. Laying out relevant aspects that need to be considered in the design of multi-enzymatic cascades for these purposes is begun. Representative multienzymatic cascades are critically reviewed, which have been specifically developed for the synthesis of compounds that have either been made only by traditional organic synthesis along with those cascades utilized for novel compound syntheses. Lastly, an overview of strategies that look toward exploiting bio/nanomaterials for accessing channeling and other nanoscale materials phenomena in vitro to direct novel enzymatic biosynthesis and improve catalytic efficiency is provided. Finally, a perspective on what is needed for this field to develop in the short and long term is presented.
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Affiliation(s)
- Shelby L Hooe
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC, 20375, USA
- National Research Council, Washington, DC, 20001, USA
| | - Aaron D Smith
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC, 20375, USA
| | - Scott N Dean
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC, 20375, USA
| | - Joyce C Breger
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC, 20375, USA
| | - Gregory A Ellis
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC, 20375, USA
| | - Igor L Medintz
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC, 20375, USA
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7
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Hooe S, Thakur M, Lasarte-Aragonés G, Breger JC, Walper SA, Medintz IL, Ellis GA. Exploration of the In Vitro Violacein Synthetic Pathway with Substrate Analogues. ACS OMEGA 2024; 9:3894-3904. [PMID: 38284012 PMCID: PMC10809250 DOI: 10.1021/acsomega.3c08233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/21/2023] [Accepted: 12/26/2023] [Indexed: 01/30/2024]
Abstract
Evolution has gifted enzymes with the ability to synthesize an abundance of small molecules with incredible control over efficiency and selectivity. Central to an enzyme's role is the ability to selectively catalyze reactions in the milieu of chemicals within a cell. However, for chemists it is often desirable to extend the substrate scope of reactions to produce analogue(s) of a desired product and therefore some degree of enzyme promiscuity is often desired. Herein, we examine this dichotomy in the context of the violacein biosynthetic pathway. Importantly, we chose to interrogate this pathway with tryptophan analogues in vitro, to mitigate possible interference from cellular components and endogenous tryptophan. A total of nine tryptophan analogues were screened for by analyzing the substrate promiscuity of the initial enzyme, VioA, and compared to the substrate tryptophan. These results suggested that for VioA, substitutions at either the 2- or 4-position of tryptophan were not viable. The seven analogues that showed successful substrate conversion by VioA were then applied to the five enzyme cascade (VioABEDC) for the production of violacein, where l-tryptophan and 6-fluoro-l-tryptophan were the only substrates which were successfully converted to the corresponding violacein derivative(s). However, many of the other tryptophan analogues did convert to various substituted intermediaries. Overall, our results show substrate promiscuity with the initial enzyme, VioA, but much less for the full pathway. This work demonstrates the complexity involved when attempting to analyze substrate analogues within multienzymatic cascades, where each enzyme involved within the cascade possesses its own inherent promiscuity, which must be compatible with the remaining enzymes in the cascade for successful formation of a desired product.
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Affiliation(s)
- Shelby
L. Hooe
- National
Research Council, Washington, D.C. 20001, United States
- Center
for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
| | - Meghna Thakur
- Center
for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
- College
of Science, George Mason University, Fairfax, Virginia 22030, United States
| | - Guillermo Lasarte-Aragonés
- Center
for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
- College
of Science, George Mason University, Fairfax, Virginia 22030, United States
| | - Joyce C. Breger
- Center
for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
| | - Scott A. Walper
- Center
for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
| | - Igor L. Medintz
- Center
for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
| | - Gregory A. Ellis
- Center
for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
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Bai Y, Jing Z, Ma R, Wan X, Liu J, Huang W. A critical review of enzymes immobilized on chitosan composites: characterization and applications. Bioprocess Biosyst Eng 2023; 46:1539-1567. [PMID: 37540309 DOI: 10.1007/s00449-023-02914-0] [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: 03/18/2023] [Accepted: 07/21/2023] [Indexed: 08/05/2023]
Abstract
Enzymes with industrial significance are typically used in biological processes. However, instability, high sensitivity, and impractical recovery are the major drawbacks of enzymes in practical applications. In recent years, the immobilization technology has attracted wide attention to overcoming these restrictions and improving the efficiency of enzyme applications. Chitosan (CS) is a unique functional substance with biocompatibility, biodegradability, non-toxicity, and antibacterial properties. Chitosan composites are anticipated to be widely used in the near future for a variety of purposes, including as supports for enzyme immobilization, because of their advantages. Therefor this review explores the effects of the chitosan's structure, molecular weight, degree of deacetylation on the enzyme immobilized, effect of key factors, and the enzymes immobilized on chitosan based composites for numerous applications, including the fields of biosensor, biomedical science, food industry, environmental protection, and industrial production. Moreover, this study carefully investigates the advantages and disadvantages of using these composites as well as their potential in the future.
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Affiliation(s)
- Yuan Bai
- School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China.
- Key Laboratory of Yellow River Water Environment in Gansu Province, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China.
| | - Zongxian Jing
- School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China
| | - Rui Ma
- School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China
| | - Xinwen Wan
- School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China
| | - Jie Liu
- School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China
| | - Weiting Huang
- School of Environment and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, People's Republic of China
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Asiri M, Singh T, Mohammad A, Al Ali A, Alqahtani A, Saeed M, Srivastava M. Bacterial cellulase production via co-fermentation of paddy straw and Litchi waste and its stability assessment in the presence of ZnMg mixed-phase hydroxide-based nanocomposite derived from Litchi chinensis seeds. Int J Biol Macromol 2023; 238:124284. [PMID: 37003389 DOI: 10.1016/j.ijbiomac.2023.124284] [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: 01/04/2023] [Revised: 03/18/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023]
Abstract
Co-fermentation via co-cultured bacterial microorganisms to develop enzymes in solid-state fermentation (SSF) is a promising approach. This strategy is imperative in a series of sustainable and effective approaches due to superior microbial growth and the use of a combination of inexpensive feedstocks for enzyme production wherein mutually participating enzyme-producing microbial communities are employed. Moreover, the addition of nanomaterials to this technique may aid in its prominent advantage of enhancing enzyme production. This strategy may be able to decrease the overall cost of the bioprocessing to produce enzymes by further implementing biogenic, route-derived nanomaterials as catalysts.Therefore, the present study attempts to explore endoglucanase (EG) production using a bacterial coculture system by employing two different bacterial strains, namely, Bacillus subtillius and Seretia marchansea under SSF in the presence of a ZnMg hydroxide-based nanocompositeas a nanocatalyst. The nanocatalyst based on ZnMg hydroxide has been prepared via green synthesis using Litchi waste seed, while SSF for EG production has been conducted using cofermentation of litchi seed (Ls) and paddy straw (Ps) waste. Under an optimized substrate concentration ratio of 5:6 Ps:Ls and in the presence of 2.0 mg of nanocatalyst, the cocultured bacterial system produced 1.6 IU/mL of EG enzyme, which was ~1.33 fold higher as compared to the control. Additionally, the same enzyme showed its stability for 135 min in the presence of 1.0 mg of nanocatalyst at 38 °C. The nanocatalyst has been synthesized using the green method, wherein waste litchi seed is used as a reducing agent, and the nanocatalyst could be employed to improve the production and functional stability of crude enzymes. The findings of the present study may have significant application in lignocellulosic-based biorefinaries and cellulosic waste management.
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Affiliation(s)
- Mohammed Asiri
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Tripti Singh
- School of Biosciences IMS Ghaziabad UC Campus, Ghaziabad, Uttar Pradesh 201015, India
| | - Akbar Mohammad
- School of Chemical Engineering, Yeungnam University, Gyeongsan-si, Gyeongsangbuk 38541, South Korea
| | - Amer Al Ali
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, University of Bisha, Al Nakhil, Bisha, Saudi Arabia
| | - Abdulaziz Alqahtani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Mohd Saeed
- Department of Biology, College of Sciences, University of Hail, Hail, Saudi Arabia
| | - Manish Srivastava
- Department of Chemical Engineering and Technology, Indian Institute of Technology, BHU, Varanasi 221005, India; LCB Fertilizer Pvt. Ltd., Shyam Vihar Phase 2, Rani Sati Mandir Road, Lachchhipur, Gorakhpur, Uttar Pradesh 273015, India.
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10
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Hooe SL, Ellis GA, Medintz IL. Alternative design strategies to help build the enzymatic retrosynthesis toolbox. RSC Chem Biol 2022; 3:1301-1313. [PMID: 36349225 PMCID: PMC9627731 DOI: 10.1039/d2cb00096b] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 09/11/2022] [Indexed: 05/30/2024] Open
Abstract
Most of the complex molecules found in nature still cannot be synthesized by current organic chemistry methods. Given the number of enzymes that exist in nature and the incredible potential of directed evolution, the field of synthetic biology contains perhaps all the necessary building blocks to bring about the realization of applied enzymatic retrosynthesis. Current thinking anticipates that enzymatic retrosynthesis will be implemented using conventional cell-based synthetic biology approaches where requisite native, heterologous, designer, and evolved enzymes making up a given multi-enzyme pathway are hosted by chassis organisms to carry out designer synthesis. In this perspective, we suggest that such an effort should not be limited by solely exploiting living cells and enzyme evolution and describe some useful yet less intensive complementary approaches that may prove especially productive in this grand scheme. By decoupling reactions from the environment of a living cell, a significantly larger portion of potential synthetic chemical space becomes available for exploration; most of this area is currently unavailable to cell-based approaches due to toxicity issues. In contrast, in a cell-free reaction a variety of classical enzymatic approaches can be exploited to improve performance and explore and understand a given enzyme's substrate specificity and catalytic profile towards non-natural substrates. We expect these studies will reveal unique enzymatic capabilities that are not accessible in living cells.
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Affiliation(s)
- Shelby L Hooe
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory Washington DC 20375 USA
- National Research Council Washington DC 20001 USA
| | - Gregory A Ellis
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory Washington DC 20375 USA
| | - Igor L Medintz
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory Washington DC 20375 USA
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11
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Application Prospects and Opportunities of Inorganic Nanomaterials for Enzyme Immobilization in the Food Processing Industry. Curr Opin Food Sci 2022. [DOI: 10.1016/j.cofs.2022.100909] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Kim S, Haque AMJ, Ahn K, Wee Y, Hwang H, Huh Y, Bang J, Kim J, Kim J. Controlled growth of redox polymer network on single enzyme molecule for stable and sensitive enzyme electrode. Biosens Bioelectron 2022; 215:114576. [PMID: 35863134 DOI: 10.1016/j.bios.2022.114576] [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: 01/28/2022] [Revised: 07/10/2022] [Accepted: 07/12/2022] [Indexed: 11/02/2022]
Abstract
The electrochemical applications of enzymes are often hampered by poor enzyme stability and low electron conductivity. In this work, a novel enzyme nanogel based on atom transfer radical polymerization (ATRP) has been developed for highly sensitive detection of glucose based on ferrocene (Fc) embedded in crosslinked polymer network nanogel. Enzyme surfaces are successively modified with Br initiator, and then in situ atom transfer radical polymerization (ATRP) was performed to build up crosslinked polyacrylamide network. The resulting single enzyme nanogel (ATRP-SEG) is uniform in size fairly. ATRP-SEG reveals bi-phasic inactivation, and the half-life of stable ATRP-SEG after 18-day incubation at 50 °C is 47 days, which is 197 times longer than that of free Gox (5.7 h). By introducing a ferrocene (Fc) containing redox polymer, poly(acrylamide-co-vinylferrocene), the half-life of Fc-ATRP-SEG after 18-day incubation at 50 °C is 49 days. Fc-ATRP-SEG is used for preparation of glucose-sensing electrode, and the sensitivity of Fc-ATRP-SEG electrode is 111 μA cm-2 mM-1, which is 366 and 1270 times higher than those of free GOx (0.303 μA cm-2 mM-1) and ATRP-SEG (0.0874 μA cm-2 mM-1), respectively. Fc-ATRP-SEG electrode maintained 90% of initial current density under 4 °C storage condition and repetitive usages every day for 7 days. Even the electrode repeatedly used in continuous harsh condition (250 rpm, room temperature), the current density maintained 96% after 12 h incubation at operational condition.
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Affiliation(s)
- Seungkeun Kim
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | | | - Kyungmin Ahn
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Youngho Wee
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Hyojin Hwang
- Department of Chemistry, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Yoon Huh
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Joona Bang
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Jeongkwon Kim
- Department of Chemistry, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Jungbae Kim
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea.
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Shao Y, Liao Z, Gao B, He B. Emerging 3D Printing Strategies for Enzyme Immobilization: Materials, Methods, and Applications. ACS OMEGA 2022; 7:11530-11543. [PMID: 35449952 PMCID: PMC9016833 DOI: 10.1021/acsomega.2c00357] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 03/10/2022] [Indexed: 05/03/2023]
Abstract
As the strategies of enzyme immobilization possess attractive advantages that contribute to realizing recovery or reuse of enzymes and improving their stability, they have become one of the most desirable techniques in industrial catalysis, biosensing, and biomedicine. Among them, 3D printing is the emerging and most potential enzyme immobilization strategy. The main advantages of 3D printing strategies for enzyme immobilization are that they can directly produce complex channel structures at low cost, and the printed scaffolds with immobilized enzymes can be completely modified just by changing the original design graphics. In this review, a comprehensive set of developments in the fields of 3D printing techniques, materials, and strategies for enzyme immobilization and the potential applications in industry and biomedicine are summarized. In addition, we put forward some challenges and possible solutions for the development of this field and some possible development directions in the future.
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Affiliation(s)
- Yun Shao
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, China
| | - Zhijun Liao
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, China
| | - Bingbing Gao
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, China
| | - Bingfang He
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing 211816, China
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Thakur M, Breger JC, Susumu K, Oh E, Spangler JR, Medintz IL, Walper SA, Ellis GA. Self-assembled nanoparticle-enzyme aggregates enhance functional protein production in pure transcription-translation systems. PLoS One 2022; 17:e0265274. [PMID: 35298538 PMCID: PMC8929567 DOI: 10.1371/journal.pone.0265274] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 02/27/2022] [Indexed: 11/19/2022] Open
Abstract
Cell-free protein synthesis systems (CFPS) utilize cellular transcription and translation (TX-TL) machinery to synthesize proteins in vitro. These systems are useful for multiple applications including production of difficult proteins, as high-throughput tools for genetic circuit screening, and as systems for biosensor development. Though rapidly evolving, CFPS suffer from some disadvantages such as limited reaction rates due to longer diffusion times, significant cost per assay when using commercially sourced materials, and reduced reagent stability over prolonged periods. To address some of these challenges, we conducted a series of proof-of-concept experiments to demonstrate enhancement of CFPS productivity via nanoparticle assembly driven nanoaggregation of its constituent proteins. We combined a commercially available CFPS that utilizes purified polyhistidine-tagged (His-tag) TX-TL machinery with CdSe/CdS/ZnS core/shell/shell quantum dots (QDs) known to readily coordinate His-tagged proteins in an oriented fashion. We show that nanoparticle scaffolding of the CFPS cross-links the QDs into nanoaggregate structures while enhancing the production of functional recombinant super-folder green fluorescent protein and phosphotriesterase, an organophosphate hydrolase; the latter by up to 12-fold. This enhancement, which occurs by an undetermined mechanism, has the potential to improve CFPS in general and specifically CFPS-based biosensors (faster response time) while also enabling rapid detoxification/bioremediation through point-of-concern synthesis of similar catalytic enzymes. We further show that such nanoaggregates improve production in diluted CFPS reactions, which can help to save money and extend the amount of these costly reagents. The results are discussed in the context of what may contribute mechanistically to the enhancement and how this can be applied to other CFPS application scenarios.
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Affiliation(s)
- Meghna Thakur
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, District of Columbia, United States of America
- College of Science, George Mason University, Fairfax, Virginia, United States of America
| | - Joyce C. Breger
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, District of Columbia, United States of America
| | - Kimihiro Susumu
- Optical Sciences Division, Code 5600, U.S. Naval Research Laboratory, Washington, District of Columbia, United States of America
- Jacobs Corporation, Dallas, Texas, United States of America
| | - Eunkeu Oh
- Optical Sciences Division, Code 5600, U.S. Naval Research Laboratory, Washington, District of Columbia, United States of America
| | - Joseph R. Spangler
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, District of Columbia, United States of America
| | - Igor L. Medintz
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, District of Columbia, United States of America
| | - Scott A. Walper
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, District of Columbia, United States of America
| | - Gregory A. Ellis
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, District of Columbia, United States of America
- * E-mail:
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