1
|
Wu W. Lipase‐catalyzed synthesis of aliphatic poly(
β
‐thioether ester) with various methylene group contents: thermal properties, crystallization and degradation. POLYM INT 2019. [DOI: 10.1002/pi.5894] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Wan‐Xia Wu
- College of Pharmacy and Biological EngineeringChengdu University Chengdu China
| |
Collapse
|
2
|
Enhanced selective oxidation of trimethylolpropane to 2,2-bis(hydroxymethyl)butyric acid using Corynebacterium sp. ATCC 21245. Process Biochem 2017. [DOI: 10.1016/j.procbio.2017.08.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
3
|
Soxman AG, DeLuca JM, Kinlough KM, Iwig DF, Mathers RT. Functionalization of polyesters with multiple B vitamins. ACTA ACUST UNITED AC 2017. [DOI: 10.1002/pola.28713] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Andrew G. Soxman
- Department of Chemistry; The Pennsylvania State University; New Kensington Pennsylvania 15068
| | - Jenna M. DeLuca
- Department of Chemistry; The Pennsylvania State University; New Kensington Pennsylvania 15068
| | - Kylie M. Kinlough
- Department of Chemistry; The Pennsylvania State University; New Kensington Pennsylvania 15068
| | - David F. Iwig
- Arconic Technology Center; New Kensington Pennsylvania 15069
| | - Robert T. Mathers
- Department of Chemistry; The Pennsylvania State University; New Kensington Pennsylvania 15068
| |
Collapse
|
4
|
Bilal MH, Prehm M, Njau AE, Samiullah MH, Meister A, Kressler J. Enzymatic Synthesis and Characterization of Hydrophilic Sugar Based Polyesters and Their Modification with Stearic Acid. Polymers (Basel) 2016; 8:polym8030080. [PMID: 30979182 PMCID: PMC6432536 DOI: 10.3390/polym8030080] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 03/04/2016] [Accepted: 03/09/2016] [Indexed: 11/18/2022] Open
Abstract
Biodegradable and hydrophilic functional polyesters were synthesized enzymatically using xylitol or d-sorbitol together with divinyl adipate and lipase B from Candida antartica (CAL-B). The resulting polyesters had pendant OH-groups from their sugar units which were esterified to different degrees with stearic acid chloride. The structure and the degrees of polymerization of the resulting graft copolymers based on poly(xylitol adipate) and poly(d-sorbitol adipate) were characterized by 1H NMR spectroscopy and SEC. DSC, WAXS and SAXS measurements indicated that a phase separation between polymer backbone and stearoyl side chains occurred in the graft copolymers, and, additionally, the side chains were able to crystallize which resulted in the formation of a lamellar morphology. Additionally, nanoparticles of the graft copolymers in an aqueous environment were studied by DLS and negative stain TEM.
Collapse
Affiliation(s)
- Muhammad Humayun Bilal
- Department of Chemistry, Martin Luther University Halle-Wittenberg, D-06099 Halle (Saale), Germany.
| | - Marko Prehm
- Department of Chemistry, Martin Luther University Halle-Wittenberg, D-06099 Halle (Saale), Germany.
| | - Andrew Efraim Njau
- Department of Chemistry, Martin Luther University Halle-Wittenberg, D-06099 Halle (Saale), Germany.
| | - Muhammad Haris Samiullah
- Department of Chemistry, Martin Luther University Halle-Wittenberg, D-06099 Halle (Saale), Germany.
| | - Annette Meister
- Department of Chemistry, Martin Luther University Halle-Wittenberg, D-06099 Halle (Saale), Germany.
| | - Jörg Kressler
- Department of Chemistry, Martin Luther University Halle-Wittenberg, D-06099 Halle (Saale), Germany.
| |
Collapse
|
5
|
Lipases in polymer chemistry. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2014; 125:69-95. [PMID: 20859733 DOI: 10.1007/10_2010_90] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Lipases are highly active in the polymerization of a range of monomers. Both ring-opening polymerization of cyclic monomers such as lactones and carbonates as well as polycondensation reactions have been investigated in great detail. Moreover, in combination with other (chemical) polymerization techniques, lipase-catalyzed polymerization has been employed to synthesize a variety of polymer materials. Major advantages of enzymatic catalysts are the often-observed excellent regio-, chemo- and enantioselectivity that allows for the direct preparation of functional materials. In particular, the application of techniques such as Dynamic Kinetic Resolution (DKR) in the lipase-catalyzed polymerization of racemic monomers is a new development in enzymatic polymerization. This paper reviews selected examples of the application of lipases in polymer chemistry covering the synthesis of linear polymers, chemoenzymatic polymerization and applications of enantioselective techniques for the synthesis and modification of polymers.
Collapse
|
6
|
Wu WX, Wang N, Liu BY, Deng QF, Yu XQ. Lipase-catalyzed synthesis of azido-functionalized aliphatic polyesters towards acid-degradable amphiphilic graft copolymers. SOFT MATTER 2014; 10:1199-1213. [PMID: 24652240 DOI: 10.1039/c3sm52496e] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A series of novel aliphatic polyesters with azido functional groups were synthesized via the direct lipase-catalyzed polycondensation of dialkyl diester, diol and 2-azido-1,3-propanediol (azido glycerol) using immobilized lipase B from Candida antarctica (CALB). The effects of polymerization conditions including reaction time, temperature, enzyme amount, substrates and monomer feed ratio on the molecular weights of the products were studied. The polyesters with pendant azido groups were characterized by (1)H NMR, (13)C NMR, 2D NMR, FTIR, GPC and DSC. Alkyne end-functionalized poly(ethylene glycol) containing a cleavable acetal group was then grafted onto the polyester backbone by copper-catalyzed azide-alkyne cycloaddition (CuAAC, click chemistry). Using fluorescence spectroscopy, dynamic light scattering (DLS) and transmission electron microscopy (TEM), these amphiphilic graft copolymers were found to readily self-assemble into nanosized micelles in aqueous solution with critical micelle concentrations between 0.70 and 1.97 mg L(-1), and micelle sizes from 20-70 nm. The degradation of these polymers under acidic conditions was investigated by GPC and (1)H NMR spectroscopy. Cell cytotoxicity tests indicated that the micelles had no apparent cytotoxicity to Bel-7402 cells, suggesting their potential as carriers for controlled drug delivery.
Collapse
Affiliation(s)
- Wan-Xia Wu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China.
| | | | | | | | | |
Collapse
|
7
|
Yeniad B, Köklükaya NO, Naik H, Fijten MWM, Koning CE, Heise A. Synthesis of enantiopure homo and copolymers by raft polymerization and investigation of their enantioselective lipase-catalyzed esterification. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26272] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
8
|
Müller SS, Frey H. Synthesis of Oxetane-Functional Aliphatic Polyesters via Enzymatic Polycondensation. MACROMOL CHEM PHYS 2012. [DOI: 10.1002/macp.201200269] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
9
|
|
10
|
Liu W, Chen B, Wang F, Tan T, Deng L. Lipase-catalyzed synthesis of aliphatic polyesters and properties characterization. Process Biochem 2011. [DOI: 10.1016/j.procbio.2011.07.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
11
|
Affiliation(s)
- Anna M. Fischer
- Institut für Organische Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, D-55099 Mainz, Germany
| | - Holger Frey
- Institut für Organische Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, D-55099 Mainz, Germany
| |
Collapse
|
12
|
Hydrolases Part I: Enzyme Mechanism, Selectivity and Control in the Synthesis of Well-Defined Polymers. ADVANCES IN POLYMER SCIENCE 2010. [DOI: 10.1007/12_2010_86] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/27/2023]
|
13
|
Li D, Sha K, Li Y, Ai P, Liu X, Wang W, Wang J. Synthesis of poly[(decanoic acid)-block-styrene] diblock copolymers and their self-assembly behavior in aqueous medium. POLYM INT 2008. [DOI: 10.1002/pi.2120] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
14
|
Veld MAJ, Palmans ARA, Meijer EW. Selective polymerization of functional monomers with Novozym 435. ACTA ACUST UNITED AC 2007. [DOI: 10.1002/pola.22350] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
15
|
Kulshrestha AS, Gao W, Fu H, Gross RA. Synthesis and Characterization of Branched Polymers from Lipase-Catalyzed Trimethylolpropane Copolymerizations. Biomacromolecules 2007; 8:1794-801. [PMID: 17477567 DOI: 10.1021/bm061096d] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Lipase-catalyzed terpolymerizations were performed with the monomers trimethylolpropane (B3), 1,8-octanediol (B2), and adipic acid (A2). Polymerizations were performed in bulk, at 70 degrees C, for 42 h, using immobilized lipase B from Candida antartica (Novozyme-435) as a catalyst. To determine the substitution pattern of trimethylolpropane (TMP) in copolymers, model compounds with variable degrees of acetylation were synthesized. Inverse-gated 13C NMR spectra were recorded to first determine the chemical shift positions for mono-, di-, and trisubstituted TMP units and, subsequently, to determine substitution of TMP units along chains. Variation of TMP in the monomer feed gave copolymers with degrees of branching (DB) from 20% to 67%. In one example, a hyperbranched copolyester with 53 mol % TMP adipate units was formed in 80% yield, with Mw 14 100 (relative to polystyrene standards), Mw/Mn 5.3, and DB 36%. Thermal and crystalline properties of the copolyesters were studied by thermogravimetric analysis and differential scanning calorimetry.
Collapse
Affiliation(s)
- Ankur S Kulshrestha
- National Science Foundation Industry/University Cooperative Research Center for Biocatalysis and Bioprocessing of Macromolecules, Department of Chemical and Biological Sciences, Polytechnic University, Six Metrotech Center, Brooklyn, New York 11201, USA
| | | | | | | |
Collapse
|
16
|
Sahoo B, Bhattacharya A, Fu H, Gao W, Gross RA. Influence of PEG Endgroup and Molecular Weight on Its Reactivity for Lipase-Catalyzed Polyester Synthesis. Biomacromolecules 2006; 7:1042-8. [PMID: 16602719 DOI: 10.1021/bm050703e] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Polycondensations were performed at 70 degrees C in bulk using physically immobilized lipase B from Candida antarctica (CAL-B) as catalyst. Study of copolymerizations between sebacic acid and PEG diols of differing Mn values (200, 400, 600, 1000, 2000, and 10 000) showed that PEG 400 and 600 were most reactive (DP(avg) up to about 6). Increasing the PEG diol chain length from 600 to 1000, 2000, and 10 000 resulted in large decreases in copolymer DP(avg) values. PEG200 diacids (i.e., HOOC-(CH2)x-O-(CH2CH2O)n-(CH2)x-COOH) were successfully synthesized where x was 1, 4, 5, 7, 9, and 11. Study of copolymerizations of these diacids with 1,8-octanediol showed that, by introduction of a five-carbon methylene spacer (x = 5), remarkable increases in the reactivity of PEG200 diacids were achieved. In addition, introduction of this spacer was also effective for increasing the reactivity of PEG diacids of higher molecular weight (i.e., PEG400, 600, and 1000). This work verified the hypothesis that, by conversion of PEG chain ends to structures more closely resembling fatty acids, modified PEG building blocks are obtained that are better recognized as substrates by CAL-B during condensation reactions.
Collapse
Affiliation(s)
- Bishwabhusan Sahoo
- NSF I/UCRC of Biocatalysis and Bioprocessing of Macromolecules, Othmer Department of Chemical & Biological Sciences and Engineering, Polytechnic University, Brooklyn, New York 11201, USA
| | | | | | | | | |
Collapse
|
17
|
Ye P, Xu ZK, Wu J, Innocent C, Seta P. Nanofibrous Membranes Containing Reactive Groups: Electrospinning from Poly(acrylonitrile-co-maleic acid) for Lipase Immobilization. Macromolecules 2005. [DOI: 10.1021/ma0517998] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Peng Ye
- Institute of Polymer Science, Zhejiang University, Hangzhou 310027, PR China; Department of Chemistry, Zhejiang University, Hangzhou 310027, PR China; and Institute of Europée des Membranes, UMR CNRS no. 5635, 34293 Montpellier Cedex 05, France
| | - Zhi-Kang Xu
- Institute of Polymer Science, Zhejiang University, Hangzhou 310027, PR China; Department of Chemistry, Zhejiang University, Hangzhou 310027, PR China; and Institute of Europée des Membranes, UMR CNRS no. 5635, 34293 Montpellier Cedex 05, France
| | - Jian Wu
- Institute of Polymer Science, Zhejiang University, Hangzhou 310027, PR China; Department of Chemistry, Zhejiang University, Hangzhou 310027, PR China; and Institute of Europée des Membranes, UMR CNRS no. 5635, 34293 Montpellier Cedex 05, France
| | - Christophe Innocent
- Institute of Polymer Science, Zhejiang University, Hangzhou 310027, PR China; Department of Chemistry, Zhejiang University, Hangzhou 310027, PR China; and Institute of Europée des Membranes, UMR CNRS no. 5635, 34293 Montpellier Cedex 05, France
| | - Patrick Seta
- Institute of Polymer Science, Zhejiang University, Hangzhou 310027, PR China; Department of Chemistry, Zhejiang University, Hangzhou 310027, PR China; and Institute of Europée des Membranes, UMR CNRS no. 5635, 34293 Montpellier Cedex 05, France
| |
Collapse
|
18
|
|
19
|
Nakaoki T, Mei Y, Miller LM, Kumar A, Kalra B, Miller ME, Kirk O, Christensen M, Gross RA. Candida antarctica lipase B catalyzed polymerization of lactones: Effects of immobilization matrices on polymerization kinetics & molecular weight. Ind Biotechnol (New Rochelle N Y) 2005. [DOI: 10.1089/ind.2005.1.126] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Takahiko Nakaoki
- NSF Center for Biocatalysis & Bioprocessing of Macromolecules, Polytechnic University, Department of Chemistry and Chemical Engineering, Six Metrotech Center, Brooklyn, New York 11201, USA
| | - Ying Mei
- NSF Center for Biocatalysis & Bioprocessing of Macromolecules, Polytechnic University, Department of Chemistry and Chemical Engineering, Six Metrotech Center, Brooklyn, New York 11201, USA
| | - Lisa M. Miller
- National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973. USA
| | - Ajay Kumar
- NSF Center for Biocatalysis & Bioprocessing of Macromolecules, Polytechnic University, Department of Chemistry and Chemical Engineering, Six Metrotech Center, Brooklyn, New York 11201, USA
| | - Bhanu Kalra
- NSF Center for Biocatalysis & Bioprocessing of Macromolecules, Polytechnic University, Department of Chemistry and Chemical Engineering, Six Metrotech Center, Brooklyn, New York 11201, USA
| | | | - Ole Kirk
- Research & Development, Novozymes A/S, Krogshoejvej 36, DK-2880 Bagsvaerd, Denmark
| | - Morten Christensen
- Research & Development, Novozymes A/S, Krogshoejvej 36, DK-2880 Bagsvaerd, Denmark
| | - Richard A. Gross
- NSF Center for Biocatalysis & Bioprocessing of Macromolecules, Polytechnic University, Department of Chemistry and Chemical Engineering, Six Metrotech Center, Brooklyn, New York 11201, USA
| |
Collapse
|