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Peñas M, Beloqui A, Martínez de Ilarduya A, Suttiruengwong S, Hernández R, Müller AJ. Enzymatic Degradation Behavior of Self-Degradable Lipase-Embedded Aliphatic and Aromatic Polyesters and Their Blends. Biomacromolecules 2024; 25:4030-4045. [PMID: 38856657 PMCID: PMC11238343 DOI: 10.1021/acs.biomac.4c00161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 05/29/2024] [Accepted: 05/29/2024] [Indexed: 06/11/2024]
Abstract
Over the past decade, the preparation of novel materials by enzyme-embedding into biopolyesters has been proposed as a straightforward method to produce self-degrading polymers. This paper reports the preparation and enzymatic degradation of extruded self-degradable films of three different biopolyesters: poly(lactic acid) (PLA), poly(butylene adipate-co-terephthalate) (PBAT), and poly(butylene succinate) (PBS), as well as three binary/ternary blends. Candida antarctica lipase B (CalB) has been employed for the enzyme-embedding procedure, and to the best of our knowledge, the use of this approach in biopolyester blends has not been reported before. The three homopolymers exhibited differentiated degradation and suggested a preferential attack of CalB on PBS films over PBAT and PLA. Moreover, the self-degradable films obtained from the blends showed slow degradation, probably due to the higher content in PLA and PBAT. These observations pave the way for exploring enzymes capable of degrading all blend components or an enzymatic mixture for blend degradation.
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Affiliation(s)
- Mario
Iván Peñas
- Institute
of Polymer Science and Technology ICTP-CSIC, Juan de la Cierva 3, Madrid 28006, Spain
- Polymat
and Department of Polymers and Advanced Materials: Physics, Chemistry
and Technology, Faculty of Chemistry, University
of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, Donostia-San
Sebastián 20018, Spain
| | - Ana Beloqui
- Polymat
and Department of Applied Chemistry, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, Donostia-San Sebastián 20018, Spain
- IKERBASQUE,
Basque Foundation for Science, Plaza Euskadi 5, Bilbao 48009, Spain
| | - Antxon Martínez de Ilarduya
- Department
of Chemical Engineering, Polytechnic University
of Catalonia ETSEIB-UPC, Diagonal 647, Barcelona 08028, Spain
| | - Supakij Suttiruengwong
- Sustainable
Materials Laboratory, Department of Materials Science and Engineering,
Faculty of Engineering and Industrial Technology, Silpakorn University, Nakhon Pathom 73000, Thailand
| | - Rebeca Hernández
- Institute
of Polymer Science and Technology ICTP-CSIC, Juan de la Cierva 3, Madrid 28006, Spain
| | - Alejandro J. Müller
- Polymat
and Department of Polymers and Advanced Materials: Physics, Chemistry
and Technology, Faculty of Chemistry, University
of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, Donostia-San
Sebastián 20018, Spain
- IKERBASQUE,
Basque Foundation for Science, Plaza Euskadi 5, Bilbao 48009, Spain
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2
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Shi CY, Zhan YF, Liu Y, Zhang ZP, Shen XY, Wu CK, Bai ZY, Zhang ZA, Wang J. Hydrophobic effects enhance xylooligosaccharides production from mulberry branch using xylanase-methacrylate conjugate-catalyzed hydrolysis. Biochem Eng J 2023. [DOI: 10.1016/j.bej.2023.108851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
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3
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Wu G, Li M, Luo Z, Qi L, Yu L, Zhang S, Liu H. Designed Synthesis of Compartmented Bienzyme Biocatalysts Based on Core-Shell Zeolitic Imidazole Framework Nanostructures. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206606. [PMID: 36461684 DOI: 10.1002/smll.202206606] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/19/2022] [Indexed: 06/17/2023]
Abstract
For complex cascade biocatalysis, multienzyme compartmentalization helps to optimize substrate transport channels and promote the orderly and tunable progress of step reactions. Herein, a simple and general synthesis strategy is proposed for the construction of a multienzyme biocatalyst by compartmentalizing glucose oxidase and horseradish peroxidase (GOx and HRP) within core-shell zeolite imidazole frameworks (ZIF)-8@ZIF-8 nanostructures. Owing to the combined effects of biomimetic mineralization and the fine regulation of the ZIF-8 growth process, the uniform shell encloses the seed (core) surface by epitaxial growth, and the bienzyme system is accurately localized in a controlled manner. The versatility of this strategy is also reflected in ZIF-67. Meanwhile, with the ability to covalently bind divalent metal ions, lithocholic acid (LCA) is used as a competitive ligand to improve the pore structure of the ZIF from a single micropore to a hierarchical micro/mesopore network, which greatly increases mass transfer efficiency. Furthermore, the multienzyme cascade reaction is exemplified by the oxidation of o-phenylenediamine (OPD). The findings show that the bienzyme assembly strategy significantly affects the biocatalytic efficiency mainly by influencing the utilization efficiency of the intermediate (Hydrogen peroxide, H2 O2 ) between the step reactions. This study sheds new light on facile synthetic routes to constructing in vitro multienzyme biocatalysts.
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Affiliation(s)
- Gaohui Wu
- Lab of Applied Biocatalysis, School of Food Science and Engineering, South China University of Technology, No. 381 Wushan Road, Guangzhou, Guangdong, 510640, China
| | - Meng Li
- Lab of Applied Biocatalysis, School of Food Science and Engineering, South China University of Technology, No. 381 Wushan Road, Guangzhou, Guangdong, 510640, China
| | - Zhigang Luo
- Lab of Applied Biocatalysis, School of Food Science and Engineering, South China University of Technology, No. 381 Wushan Road, Guangzhou, Guangdong, 510640, China
| | - Liang Qi
- Lab of Applied Biocatalysis, School of Food Science and Engineering, South China University of Technology, No. 381 Wushan Road, Guangzhou, Guangdong, 510640, China
| | - Long Yu
- Lab of Applied Biocatalysis, School of Food Science and Engineering, South China University of Technology, No. 381 Wushan Road, Guangzhou, Guangdong, 510640, China
| | - Shaobo Zhang
- Centre for Nutrition and Food Sciences, University of Queensland, St Lucia, Brisbane, Queensland, 4072, Australia
| | - Hongsheng Liu
- Lab of Applied Biocatalysis, School of Food Science and Engineering, South China University of Technology, No. 381 Wushan Road, Guangzhou, Guangdong, 510640, China
- School of Food Science and Engineering, South China University of Technology, No. 381 Wushan Road, Guangzhou, Guangdong, 510640, China
- Sino-Singapore International Joint Research Institute, Knowledge City, Guangzhou, Guangdong, 510663, China
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Singla P, Garg S, McClements J, Jamieson O, Peeters M, Mahajan RK. Advances in the therapeutic delivery and applications of functionalized Pluronics: A critical review. Adv Colloid Interface Sci 2022; 299:102563. [PMID: 34826745 DOI: 10.1016/j.cis.2021.102563] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/15/2021] [Accepted: 11/13/2021] [Indexed: 12/22/2022]
Abstract
Pluronic (PEO-PPO-PEO) block copolymers can form nano-sized micelles with a structure composed of a hydrophobic PPO core and hydrophilic PEO shell layer. Pluronics are U.S. Food and Drug Administration approved polymers, which are widely used for solubilization of drugs and their delivery, gene/therapeutic delivery, diagnostics, and tissue engineering applications due to their non-ionic properties, non-toxicity, micelle forming ability, excellent biocompatibility and biodegradability. Although Pluronics have been employed as drug carrier systems for several decades, numerous issues such as rapid dissolution, shorter residence time in biological media, fast clearance and weak mechanical strength have hindered their efficacy. Pluronics have been functionalized with pH-sensitive, biological-responsive moieties, antibodies, aptamers, folic acid, drugs, different nanoparticles, and photo/thermo-responsive hydrogels. These functionalization strategies enable Pluronics to act as stimuli responsive and targeted drug delivery vehicles. Moreover, Pluronics have emerged in nano-emulsion formulations and have been utilized to improve the properties of cubosomes, dendrimers and nano-sheets, including their biocompatibility and aqueous solubility. Functionalization of Pluronics results in the significant improvement of target specificity, loading capacity, biocompatibility of nanoparticles and stimuli responsive hydrogels for the promising delivery of a range of drugs. Therefore, this review presents an overview of all advancements (from the last 15 years) in functionalized Pluronics, providing a valuable tool for industry and academia in order to optimize their use in drug or therapeutic delivery, in addition to several other biomedical applications.
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Affiliation(s)
- Pankaj Singla
- School of Engineering, Merz Court, Claremont Road, Newcastle University, Newcastle Upon Tyne NE1 7RU, United Kingdom
| | - Saweta Garg
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar 143005, India
| | - Jake McClements
- School of Engineering, Merz Court, Claremont Road, Newcastle University, Newcastle Upon Tyne NE1 7RU, United Kingdom
| | - Oliver Jamieson
- School of Engineering, Merz Court, Claremont Road, Newcastle University, Newcastle Upon Tyne NE1 7RU, United Kingdom
| | - Marloes Peeters
- School of Engineering, Merz Court, Claremont Road, Newcastle University, Newcastle Upon Tyne NE1 7RU, United Kingdom.
| | - Rakesh Kumar Mahajan
- Department of Chemistry, UGC-Centre for Advanced Studies-I, Guru Nanak Dev University, Amritsar 143005, India.
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Lu Y, Dai H, Cheng P, Shi H, Tang L, Sun X, Ou Z. Regenerated coenzyme-based preparation of bienzyme-polymer nanoconjugates and their applications for the synthesis of ethyl (R)-2-hydroxy-4-phenylbutyrate. KOREAN J CHEM ENG 2021. [DOI: 10.1007/s11814-021-0775-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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6
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Carvalho GC, Araujo VHS, Fonseca-Santos B, de Araújo JTC, de Souza MPC, Duarte JL, Chorilli M. Highlights in poloxamer-based drug delivery systems as strategy at local application for vaginal infections. Int J Pharm 2021; 602:120635. [PMID: 33895295 DOI: 10.1016/j.ijpharm.2021.120635] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 01/02/2023]
Abstract
Infectious diseases related to the vagina include diseases caused by the imbalance of the vaginal flora and by sexually transmitted infections. Some of these present themselves as a public health problem due to the lack of efficient treatment that leads to their complete cure, and others due to the growing resistance to drugs used in therapy. In this sense, new treatment strategies are desirable, with vaginal administration rout being a great choice since can bypass first-pass metabolism and decrease drug interactions and adverse effects. However, it is worth highlighting limitations related to patient's discomfort at application time. Thereby, the use of poloxamer-based drug delivery systems is desirable due its stimuli-sensitive characteristic. Therefore, the present review reports a brief overview of poloxamer properties, biological behavior and advances in poloxamer applications in controlled drug release systems for infectious diseases related to the vagina treatment and prevention.
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Affiliation(s)
- Gabriela Corrêa Carvalho
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, Brazil
| | - Victor Hugo Sousa Araujo
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, Brazil
| | - Bruno Fonseca-Santos
- Faculty of Pharmaceutical Sciences, University of Campinas (UNICAMP), 13083-871 Campinas, Brazil
| | | | | | - Jonatas Lobato Duarte
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, Brazil
| | - Marlus Chorilli
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800-903 Araraquara, Brazil.
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7
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Paper-Based Enzymatic Colorimetric Assay for Rapid Malathion Detection. Appl Biochem Biotechnol 2021; 193:2534-2546. [PMID: 33783700 DOI: 10.1007/s12010-021-03531-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 02/23/2021] [Indexed: 01/08/2023]
Abstract
Due to their unique properties, paper-based biosensors have attracted attention as inexpensive devices for on-site analysis. To achieve fast and sensitive detection of analytes, immobilization of enzymes with high apparent activities on paper is highly desirable; however, this is challenging. Herein, we report an improved approach to attach a malathion degrading enzyme, PoOPHM9, on paper via an interlocking network of Pluronic F127 (PF127)-poly(acrylic acid)-enzyme conjugates. The addition of PF127 improved retention of enzymatic activity as the apparent kinetic constant Vmax of the immobilized enzyme increased two-fold compared with the paper prepared without PF127. The PF127-poly(acrylic acid)-PoOPHM9 papers provided rapid colorimetric detection of malathion at 0.1-50 mM. The detection was completed within 5 min using a smartphone and image analysis software. As a proof-of-concept, malathion-contaminated water, plant, and apple samples were analyzed with the papers successfully. This material is promising for on-site rapid analysis of malathion-contaminated samples.
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8
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Versatility of Reverse Micelles: From Biomimetic Models to Nano (Bio)Sensor Design. Processes (Basel) 2021. [DOI: 10.3390/pr9020345] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
This paper presents an overview of the principal structural and dynamics characteristics of reverse micelles (RMs) in order to highlight their structural flexibility and versatility, along with the possibility to modulate their parameters in a controlled manner. The multifunctionality in a large range of different scientific fields is exemplified in two distinct directions: a theoretical model for mimicry of the biological microenvironment and practical application in the field of nanotechnology and nano-based sensors. RMs represent a convenient experimental approach that limits the drawbacks of the conventionally biological studies in vitro, while the particular structure confers them the status of simplified mimics of cells by reproducing a complex supramolecular organization in an artificial system. The biological relevance of RMs is discussed in some particular cases referring to confinement and a crowded environment, as well as the molecular dynamics of water and a cell membrane structure. The use of RMs in a range of applications seems to be more promising due to their structural and compositional flexibility, high efficiency, and selectivity. Advances in nanotechnology are based on developing new methods of nanomaterial synthesis and deposition. This review highlights the advantages of using RMs in the synthesis of nanoparticles with specific properties and in nano (bio)sensor design.
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9
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Hou Q, Li N, Chao Y, Li S, Zhang L. Design and regulation of the surface and interfacial behavior of protein molecules. Chin J Chem Eng 2020. [DOI: 10.1016/j.cjche.2020.05.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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10
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Zarrintaj P, Ramsey JD, Samadi A, Atoufi Z, Yazdi MK, Ganjali MR, Amirabad LM, Zangene E, Farokhi M, Formela K, Saeb MR, Mozafari M, Thomas S. Poloxamer: A versatile tri-block copolymer for biomedical applications. Acta Biomater 2020; 110:37-67. [PMID: 32417265 DOI: 10.1016/j.actbio.2020.04.028] [Citation(s) in RCA: 148] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 04/11/2020] [Accepted: 04/14/2020] [Indexed: 11/16/2022]
Abstract
Poloxamers, also called Pluronic, belong to a unique class of synthetic tri-block copolymers containing central hydrophobic chains of poly(propylene oxide) sandwiched between two hydrophilic chains of poly(ethylene oxide). Some chemical characteristics of poloxamers such as temperature-dependent self-assembly and thermo-reversible behavior along with biocompatibility and physiochemical properties make poloxamer-based biomaterials promising candidates for biomedical application such as tissue engineering and drug delivery. The microstructure, bioactivity, and mechanical properties of poloxamers can be tailored to mimic the behavior of various types of tissues. Moreover, their amphiphilic nature and the potential to self-assemble into the micelles make them promising drug carriers with the ability to improve the drug availability to make cancer cells more vulnerable to drugs. Poloxamers are also used for the modification of hydrophobic tissue-engineered constructs. This article collects the recent advances in design and application of poloxamer-based biomaterials in tissue engineering, drug/gene delivery, theranostic devices, and bioinks for 3D printing. STATEMENT OF SIGNIFICANCE: Poloxamers, also called Pluronic, belong to a unique class of synthetic tri-block copolymers containing central hydrophobic chains of poly(propylene oxide) sandwiched between two hydrophilic chains of poly(ethylene oxide). The microstructure, bioactivity, and mechanical properties of poloxamers can be tailored to mimic the behavior of various types of tissues. Moreover, their amphiphilic nature and the potential to self-assemble into the micelles make them promising drug carriers with the ability to improve the drug availability to make cancer cells more vulnerable to drugs. However, no reports have systematically reviewed the critical role of poloxamer for biomedical applications. Research on poloxamers is growing today opening new scenarios that expand the potential of these biomaterials from "traditional" treatments to a new era of tissue engineering. To the best of our knowledge, this is the first review article in which such issue is systematically reviewed and critically discussed in the light of the existing literature.
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Affiliation(s)
- Payam Zarrintaj
- Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, OK 74078, United States
| | - Joshua D Ramsey
- Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, OK 74078, United States
| | - Ali Samadi
- Polymer Engineering Department, Faculty of Engineering, Urmia University, Urmia, Iran
| | - Zhaleh Atoufi
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Mohsen Khodadadi Yazdi
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Mohammad Reza Ganjali
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran; Biosensor Research Center, Endocrinology & Metabolism Molecular-Cellular Sciences, University of Tehran, Tehran, Iran
| | | | - Ehsan Zangene
- Department of Bioinformatics, Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, P.O. Box 1316943551, Tehran, Iran
| | - Krzysztof Formela
- Department of Polymer Technology, Faculty of Chemistry, Gdansk University of Technology, Gdansk, Poland
| | - Mohammad Reza Saeb
- Department of Resin and Additives, Institute for Color Science and Technology, Tehran, Iran.
| | - Masoud Mozafari
- Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Sabu Thomas
- School of Chemical Sciences, M G University, Kottayam 686560, Kerala, India
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11
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Cross-linked enzyme-polymer conjugates with excellent stability and detergent-enhanced activity for efficient organophosphate degradation. BIORESOUR BIOPROCESS 2018. [DOI: 10.1186/s40643-018-0236-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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12
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Chado GR, Holland EN, Tice AK, Stoykovich MP, Kaar JL. Exploiting the Benefits of Homogeneous and Heterogeneous Biocatalysis: Tuning the Molecular Interaction of Enzymes with Solvents via Polymer Modification. ACS Catal 2018. [DOI: 10.1021/acscatal.8b03779] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Garrett R. Chado
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United States
| | - Elijah N. Holland
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United States
| | - Andrew K. Tice
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United States
| | - Mark P. Stoykovich
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United States
| | - Joel L. Kaar
- Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80309, United States
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Wang Z, Xu W, Fu Z, Jiang G, Wu J, Liu Z. Pluronic-Conjugated Enzyme Cascade for In Situ Oxidation in Biphasic Media. ChemCatChem 2018. [DOI: 10.1002/cctc.201701869] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Zheyu Wang
- Department of Chemical Engineering; Tsinghua University; Beijing 100084 P.R. China
| | - Weina Xu
- Department of Chemical Engineering; Tsinghua University; Beijing 100084 P.R. China
| | - Zhongwang Fu
- Department of Chemical Engineering; Tsinghua University; Beijing 100084 P.R. China
| | - Guoqiang Jiang
- Department of Chemical Engineering; Tsinghua University; Beijing 100084 P.R. China
| | - Jianzhong Wu
- Department of Chemical and Environmental Engineering; University of California; Riverside CA 92521 USA
| | - Zheng Liu
- Department of Chemical Engineering; Tsinghua University; Beijing 100084 P.R. China
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Chen Y, Liu Y, Yao Y, Zhang S, Gu Z. Reverse micelle-based water-soluble nanoparticles for simultaneous bioimaging and drug delivery. Org Biomol Chem 2018; 15:3232-3238. [PMID: 28327735 DOI: 10.1039/c7ob00169j] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
With special confined water pools, reverse micelles (RMs) have shown potential for a wide range of applications. However, the inherent water-insolubility of RMs hinders their further application prospects, especially for applications related to biology. We recently reported the first successful transfer of RMs from organic media to an aqueous phase without changing the smart water pools by the hydrolysis of an arm-cleavable interfacial cross-linked reverse micelles. Herein, we employed another elaborate amphiphile 1 to construct new acrylamide-based cross-linked water-soluble nanoparticles (ACW-NPs) under much gentler conditions. The special property of the water pools of the ACW-NPs was confirmed by both the Förster resonance energy transfer (FRET) between 5-((2-aminoethyl)amino)naphthalene-1-sulfonic acid (1,5-EDANS) and benzoic acid, 4-[2-[4-(dimethylamino)phenyl]diazenyl] (DABCYL) and satisfactory colloidal stability in 10% fetal bovine serum. Importantly, featured by the gentle synthetic strategy, confined water pool, and carboxylic acid-functionalized surface, the new ACW-NPs are well suitable for biological applications. As an example, the fluorescent reagent 8-hydroxy-1,3,6-pyrenetrisulfonic acid trisodium salt (HPTS) was encapsulated in the core and simultaneously, the anticancer drug gemcitabine (Gem) was covalently conjugated onto the surface exterior. As expected, the resulting multifunctional ACW-NPs@HPTS@Gem exhibits a high imaging effect and anticancer activity for non-small lung cancer cells.
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Affiliation(s)
- Ying Chen
- National Engineering Research Centre for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China.
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15
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Synthesis of lipase polymer hybrids with retained or enhanced activity using the grafting-from strategy. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.01.026] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Wang Z, Song J, Zhang S, Xu XQ, Wang Y. Formulating Polyethylene Glycol as Supramolecular Emulsifiers for One-Step Double Emulsions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:9160-9169. [PMID: 28825306 DOI: 10.1021/acs.langmuir.7b02326] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
One-step double emulsions via only one-step emulsification are leading to an attractive branch of emulsion research studies owing to the ease of preparation and reduced surfactant numbers. In addition to controlling the oil/water ratio, exploiting emulsifiers with desirable amphiphilicity that can stabilize both the inner and outer water/oil interfaces is crucial to the formation of one-step double emulsions. In particular, new emulsifiers with saving laborious efforts are highly preferred in consideration of low cost and practical applications. In this work, a commonly used homopolymer, polyethylene glycol (PEG), was attempted as emulsifiers to prepare emulsions via one-step emulsification. PEG is generally considered as a hydrophilic polymer and always anchored with a hydrophobic polymer to make the copolymer amphiphilic. In the water-chloroform binary system, PEG itself exhibits amphiphilic performance and tailors the formation of single emulsions or double W/O/W emulsions on the dependence of the oil/water ratio and the PEG concentration. A possible mechanism as explained by dissipative particle dynamics simulation was proposed to demonstrate the amphiphilic feature and emulsification capability of PEG. The amphiphilicity of PEG was further tuned by interacting with iodine as a result of the formation of a supramolecular complex, which, in turn, led to the conversion from single emulsions to O/W/O double emulsions. It is believed that this line of research provides inspiration for the preparation of controllable emulsions through supramolecular routes.
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Affiliation(s)
- Zhen Wang
- Department of Chemistry, Renmin University of China , Beijing 100872, China
| | - Jiaqi Song
- Department of Chemistry, Renmin University of China , Beijing 100872, China
| | - Shiming Zhang
- Department of Chemistry, Renmin University of China , Beijing 100872, China
| | - Xiao-Qi Xu
- Department of Chemistry, Renmin University of China , Beijing 100872, China
| | - Yapei Wang
- Department of Chemistry, Renmin University of China , Beijing 100872, China
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17
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Bonazza HL, Manzo RM, dos Santos JCS, Mammarella EJ. Operational and Thermal Stability Analysis of Thermomyces lanuginosus Lipase Covalently Immobilized onto Modified Chitosan Supports. Appl Biochem Biotechnol 2017; 184:182-196. [DOI: 10.1007/s12010-017-2546-9] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Accepted: 06/20/2017] [Indexed: 12/16/2022]
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18
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Liu Y, Chen Y, Yao Y, Luo K, Zhang S, Gu Z. Confined Pool-Buried Water-Soluble Nanoparticles from Reverse Micelles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:5275-5282. [PMID: 28505441 DOI: 10.1021/acs.langmuir.7b00890] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
With the special nature of confined water pools, reverse micelles (RMs) have shown potential for a wide range of applications. However, the inherent water insolubility of RMs hinders their further application prospect especially for applications related to biology. We present herein the first successful transformation of water-insoluble RMs into water-soluble nanoparticles without changing the confined aqueous interiors by hydrolysis/aminolysis of arm-cleavable interfacial cross-linked reverse micelles formed from diester surfactant 1. The unique properties exhibited by the aqueous interiors of the resulting pool-buried water-soluble nanoparticles (PWNPs) were demonstrated both by the template synthesis of gold nanoparticles in the absence of external reductants and by the fluorescence enhancement of encapsulated thioflavin T (ThT). Importantly, the unique potential for PWNPs in biological applications was exemplified by the use of ThT@PWNPs and "cell targeted" ThT@PWNPs as effective optical imaging agents of living cells. This work conceptually overcomes the application bottleneck of RMs and opens an entry to a new class of functional materials.
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Affiliation(s)
- Yong Liu
- National Engineering Research Center for Biomaterials and ‡College of Chemistry, Sichuan University , 29 Wangjiang Road, Chengdu 610064, China
| | - Ying Chen
- National Engineering Research Center for Biomaterials and ‡College of Chemistry, Sichuan University , 29 Wangjiang Road, Chengdu 610064, China
| | - Yongchao Yao
- National Engineering Research Center for Biomaterials and ‡College of Chemistry, Sichuan University , 29 Wangjiang Road, Chengdu 610064, China
| | - Kui Luo
- National Engineering Research Center for Biomaterials and ‡College of Chemistry, Sichuan University , 29 Wangjiang Road, Chengdu 610064, China
| | - Shiyong Zhang
- National Engineering Research Center for Biomaterials and ‡College of Chemistry, Sichuan University , 29 Wangjiang Road, Chengdu 610064, China
| | - Zhongwei Gu
- National Engineering Research Center for Biomaterials and ‡College of Chemistry, Sichuan University , 29 Wangjiang Road, Chengdu 610064, China
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19
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Cao S, Xu P, Ma Y, Yao X, Yao Y, Zong M, Li X, Lou W. Recent advances in immobilized enzymes on nanocarriers. CHINESE JOURNAL OF CATALYSIS 2016. [DOI: 10.1016/s1872-2067(16)62528-7] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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20
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Amirkhani L, Moghaddas J, Jafarizadeh-Malmiri H. Candida rugosa lipase immobilization on magnetic silica aerogel nanodispersion. RSC Adv 2016. [DOI: 10.1039/c5ra24441b] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
C. rugosalipase was successfully immobilized on hydrophobic magnetic silica aerogel nanodispersion by simple physical adsorption.
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Affiliation(s)
- Leila Amirkhani
- Transport Phenomena Research Center (TPRC)
- Faculty of Chemical Engineering
- Sahand University of Technology
- 51335-1996 Sahand
- Iran
| | - Jafarsadegh Moghaddas
- Transport Phenomena Research Center (TPRC)
- Faculty of Chemical Engineering
- Sahand University of Technology
- 51335-1996 Sahand
- Iran
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