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Zhou P, Zheng M, Li X, Zhou J, Li W, Yang Y. Load mechanism and release behaviour of synephrine-loaded calcium pectinate beads: Experiments characterizations, theoretical calculations and mathematical modeling. Int J Biol Macromol 2023; 242:125042. [PMID: 37230446 DOI: 10.1016/j.ijbiomac.2023.125042] [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: 04/21/2023] [Revised: 05/03/2023] [Accepted: 05/21/2023] [Indexed: 05/27/2023]
Abstract
It is an appropriate strategy to construct the carrier material with polysaccharide pectin, which is the characteristics of good bio-compatible, safe and non-toxic, avoiding the functional loss of bioactive ingredients and achieve sustained release. However, the loading mechanism of the active ingredient and the release behaviour of the active ingredient from the carrier material is still at the stage of conjecture. In this study, a kind of synephrine-loaded calcium pectinate beads (SCPB) with high encapsulation efficiency (95.6 %), loading capacity (11.5 %) and excellent controlled release behaviour was constructed. The interaction between synephrine (SYN) and quaternary ammonium fructus aurantii immaturus pectin (QFAIP) was revealed by FTIR, NMR and density functional theory (DFT) calculation. An inter-molecular hydrogen bond and Van der Waals forces between 7-OH, 11-OH and 10-NH of SYN and -OH, -C=O and N + (CH3)3 of QFAIP were formed. The release experiment in vitro showed that the QFAIP could effectively avoid the release of SYN in gastric fluid, and also realized the slow and full release of SYN in intestinal tract. Moreover, the release mechanism of SCPB in simulated gastric fluid (SGF) was Fickian diffusion, while in simulated intestinal fluid (SIF) was a non-Fickian diffusion controlled by both diffusion and skeleton dissolution.
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Affiliation(s)
- Peng Zhou
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, Hunan, China
| | - Min Zheng
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, Hunan, China; Hunan First Normal University, Changsha 410205, Hunan, China
| | - Xiangzhou Li
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, Hunan, China; Institute of Natural Products Research and Development, Central South University of Forestry and Technology, Changsha 410004, Hunan, China.
| | - Jun Zhou
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, Hunan, China
| | - Wensheng Li
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, Hunan, China; College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China
| | - Yanhong Yang
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, Hunan, China
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Vrzoňová R, Čížová A, Račková L, Mečárová J, Bieliková S, Bystrický S. Molar-mass-dependent antibacterial activity of cationic dextran derivatives against resistant nosocomial pathogens. Int J Biol Macromol 2023; 235:123854. [PMID: 36858094 DOI: 10.1016/j.ijbiomac.2023.123854] [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: 09/26/2022] [Revised: 02/21/2023] [Accepted: 02/23/2023] [Indexed: 03/03/2023]
Abstract
The rise of various multidrug-resistant bacteria has created a need for new biocompatible and biodegradable antibacterial compounds. Cationic polysaccharides are promising candidates for this role. Therefore, cationic derivatives of commercial dextrans with molar masses of 11 kDa, 76 kDa, 411 kDa, and 1500-2500 kDa and various degrees of substitution (DSQ 0.34-0.52) were prepared and their antimicrobial properties against four gram-negative nosocomial bacteria were tested. As expected, a higher DSQ led to higher efficiency. The best antimicrobial properties were found for derivatives of 411 kDa, followed by 76 kDa and 1500-2000 kDa dextrans. This indicates that there is a certain optimum molar mass with the best antimicrobial properties. However, as molar mass increased, the biocompatibility of cationic dextran steadily decreased, with increased hemagglutination and toxicity being seen for human cells. The derivatives of 76 kDa dextran with higher DSQ (0.40-0.52) were the best antimicrobial agents suitable for further clinical testing.
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Affiliation(s)
- Romana Vrzoňová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
| | - Alžbeta Čížová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
| | - Lucia Račková
- Institute of Experimental Pharmacology and Toxicology, Centre of Experimental Medicine, Slovak Academy of Sciences, Dúbravská cesta 9, 841 04 Bratislava, Slovakia.
| | - Jana Mečárová
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
| | - Sandra Bieliková
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
| | - Slavomír Bystrický
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia.
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Qin C, Yang G, Wu S, Zhang H, Zhu C. Synthesis, physicochemical characterization, antibacterial activity, and biocompatibility of quaternized hawthorn pectin. Int J Biol Macromol 2022; 213:1047-1056. [PMID: 35691431 DOI: 10.1016/j.ijbiomac.2022.06.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 05/12/2022] [Accepted: 06/06/2022] [Indexed: 11/20/2022]
Abstract
Quaternized polysaccharides are considered as potential antimicrobial materials due to their antimicrobial activity, biodegradability, biocompatibility, and water solubility. In this work, hawthorn pectin (HP) was obtained by ultrasound‑sodium citrate assisted extraction, quaternized hawthorn pectin (QHP) derivatives (namely: QHP-1, QHP-2, QHP-3, and QHP-4) with different degree of substitution were produced using (3-Chloro-2-hydroxypropyl) trimethylammonium chloride under alkaline conditions. The structure, properties, and morphology of HP and QHP were characterized by FTIR, XRD, 1H NMR, high-performance gel permeation chromatography (HPGPC), thermal analysis, and SEM. The results of FTIR and 1H NMR demonstrated that the quaternary ammonium modification was successful, and the degree of substitution (DS) of derivatives was calculated through elemental analysis. The determination of the minimum inhibitory concentrations and biofilm inhibition assay exhibited that QHP has a certain inhibitory effect on Escherichia coli and Staphylococcus aureus. Acceptable values of QHP were obtained in cytotoxicity assay on human keratinocytes.
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Affiliation(s)
- Chunge Qin
- Key Laboratory of Food Processing Technology and Quality Control in Shandong Province, College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271000, PR China
| | - Guangcheng Yang
- China School of Biology and Brewing Engineering, Taishan University, Tai'an 271000, PR China
| | - Shuai Wu
- Yantai Testing Center for Food and Drug, Yantai 264000, PR China
| | - Hao Zhang
- Key Laboratory of Food Processing Technology and Quality Control in Shandong Province, College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271000, PR China
| | - Chuanhe Zhu
- Key Laboratory of Food Processing Technology and Quality Control in Shandong Province, College of Food Science and Engineering, Shandong Agricultural University, Tai'an 271000, PR China.
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Lin ZI, Tsai HL, Liu GL, Lu XH, Cheng PW, Chi PL, Wang CK, Tsai TH, Wang CC, Yang JHC, Ko BT, Chen CK. Preparation of CO 2 -based Cationic Polycarbonate/Polyacrylonitrile Nanofibers with an Optimal Fibrous Microstructure for Antibacterial Applications. Macromol Biosci 2022; 22:e2200178. [PMID: 35902381 DOI: 10.1002/mabi.202200178] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/24/2022] [Indexed: 11/12/2022]
Abstract
Utilizing CO2 as one of the monomer resource, poly(vinylcyclohexene carbonates) (PVCHCs) are used as the precursor for preparing cationic PVCHCs (CPVCHCs) via thiol-ene click functionalization. Through the functionalization, CPVCHC-43 with a tertiary amine density of 43% relative to the backbone is able to display a significantly antibacterial ability against Staphylococcus aureus (S. aureus). Blending CPVCHC-43 with polyacrylonitrile (PAN), CPVCHC/PAN nanofiber meshes (NFMs) have been successfully prepared by electrospinning. More importantly, two crucial fibrous structural factors including CPVCHC/PAN weight ratio and fiber diameter have been systematically investigated for the effects on the antibacterial performance of the NFMs. Sequentially, a quaternization treatment has been employed on the NFMs with an optimal fibrous structure to enhance the antibacterial ability. The resulting quaternized NFMs have demonstrated the great biocidal effects against Gram-positive and Gram-negative bacteria. Moreover, the excellent biocompatibility of the quaternized NFMs have also been thoroughly evaluated and verified. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Zheng-Ian Lin
- Polymeric Biomaterials Laboratory, Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Han-Lin Tsai
- Division of Cardiology and Department of Internal Medicine, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi, 60002, Taiwan
| | - Guan-Lin Liu
- Department of Chemistry, National Chung Hsing University, Taichung, 40227, Taiwan
| | - Xie-Hong Lu
- Department of Fiber and Composite Materials, Feng Chia University, Taichung, 40724, Taiwan
| | - Pei-Wen Cheng
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, 81362, Taiwan.,Department of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Pei-Ling Chi
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, 81362, Taiwan
| | - Chih-Kuang Wang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Tzu-Hsien Tsai
- Division of Cardiology and Department of Internal Medicine, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi, 60002, Taiwan
| | - Chih-Chia Wang
- Department of Chemical and Materials Engineering, Chung Cheng Institute of Technology, National Defense University, Taoyuan, 33509, Taiwan.,System Engineering and Technology Program, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Jason Hsiao Chun Yang
- Department of Fiber and Composite Materials, Feng Chia University, Taichung, 40724, Taiwan
| | - Bao-Tsan Ko
- Department of Chemistry, National Chung Hsing University, Taichung, 40227, Taiwan
| | - Chih-Kuang Chen
- Polymeric Biomaterials Laboratory, Department of Materials and Optoelectronic Science, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
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Antimicrobial and prebiotic activity of mannoproteins isolated from conventional and nonconventional yeast species-the study on selected microorganisms. World J Microbiol Biotechnol 2022; 38:256. [PMID: 36319710 PMCID: PMC9626417 DOI: 10.1007/s11274-022-03448-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 10/26/2022] [Indexed: 11/16/2022]
Abstract
Yeast mannoproteins are proposed as a paraprobiotics with antimicrobial and prebiotic properties. They can be used as biopreservatives in food and in diseases therapies. The knowledge about the specificity and/or capability of their influence on the growth of different microorganism is limited. The study determined the effect of mannoprotein preparations of Saccharomyces cerevisiae (S. cerevisiae) ATCC 7090 and nonconventional yeast origin [Metschnikowia reukaufii (M. reukaufii) WLP 4650 and Wickerhamomyces anomalus (W. anomalus) CCY 38-1-13] on the growth of selected bacteria of the genera: Lactobacilllus, Limosilatobacillus, Limosilatobacillus, Bifidobacterium, Staphylococcus, Enterococcus, Pseudomonas, Escherichia, Proteus and Salmonella. The degree of stimulation or growth inhibition of tested bacteria depended on the type and dose of the mannoprotein and the bacterial strain. The addition of the tested preparations in the entire range of applied concentrations had a positive effect especially on the growth of Lactobacillus arabinosus ATCC 8014 and Bifidobacterium animalis subsp. lactis B12. Mannoproteins isolated from S. cerevisiae limited the growth of the Escherichia coli (E. coli) ATCC 25922, Pseudomonas aureoginosa (P. aureoginosa) ATCC 27853, Proteus mirabilis ATCC 35659 and Salmonella Enteritidis ATCC 13076 to the greatest extent, while preparations of M. reukaufii and W. anomalus origin most effectively limited the growth of Staphylococcus aureus strains, E. coli and P. aureoginosa. The growth of Enterococcus faecalis was stimulated by the presence of all studied preparations in most of the concentrations used. Further research will determine how the purification process of studied mannoproteins or oligosaccharide fractions, its structure and composition influence on the growth of selected bacteria and what is the mechanism of its activity.
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Cavitt TB, Carlisle JG, Dodds AR, Faulkner RA, Garfield TC, Ghebranious VN, Hendley PR, Henry EB, Holt CJ, Lowe JR, Lowry JA, Oskin DS, Patel PR, Smith D, Wei W. Thermodynamic Surface Analyses to Inform Biofilm Resistance. iScience 2020; 23:101702. [PMID: 33205020 PMCID: PMC7649285 DOI: 10.1016/j.isci.2020.101702] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 08/03/2020] [Accepted: 10/15/2020] [Indexed: 11/01/2022] Open
Abstract
Biofilms are the habitat of 95% of bacteria successfully protecting bacteria from many antibiotics. However, inhibiting biofilm formation is difficult in that it is a complex system involving the physical and chemical interaction of both substrate and bacteria. Focusing on the substrate surface and potential interactions with bacteria, we examined both physical and chemical properties of substrates coated with a series of phenyl acrylate monomer derivatives. Atomic force microscopy (AFM) showed smooth surfaces often approximating surgical grade steel. Induced biofilm growth of five separate bacteria on copolymer samples comprising varying concentrations of phenyl acrylate monomer derivatives evidenced differing degrees of biofilm resistance via optical microscopy. Using goniometric surface analyses, the van Oss-Chaudhury-Good equation was solved linear algebraically to determine the surface energy profile of each polymerized phenyl acrylate monomer derivative, two bacteria, and collagen. Based on the microscopy and surface energy profiles, a thermodynamic explanation for biofilm resistance is posited.
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Affiliation(s)
- T. Brian Cavitt
- Lipscomb University, Department of Chemistry and Biochemistry, One University Park Drive, Nashville, TN 37204, USA
- Abilene Christian University, Department of Chemistry and Biochemistry, ACU Box 28132, Abilene, TX 79699-8132, USA
| | - Jasmine G. Carlisle
- Lipscomb University, Department of Chemistry and Biochemistry, One University Park Drive, Nashville, TN 37204, USA
| | - Alexandra R. Dodds
- Abilene Christian University, Department of Chemistry and Biochemistry, ACU Box 28132, Abilene, TX 79699-8132, USA
| | - Rebecca A. Faulkner
- Abilene Christian University, Department of Chemistry and Biochemistry, ACU Box 28132, Abilene, TX 79699-8132, USA
| | - Tyson C. Garfield
- Abilene Christian University, Department of Chemistry and Biochemistry, ACU Box 28132, Abilene, TX 79699-8132, USA
| | - Verena N. Ghebranious
- Lipscomb University, Department of Chemistry and Biochemistry, One University Park Drive, Nashville, TN 37204, USA
| | - Phillip R. Hendley
- Abilene Christian University, Department of Chemistry and Biochemistry, ACU Box 28132, Abilene, TX 79699-8132, USA
| | - Emily B. Henry
- Lipscomb University, Department of Chemistry and Biochemistry, One University Park Drive, Nashville, TN 37204, USA
| | - Charles J. Holt
- Abilene Christian University, Department of Chemistry and Biochemistry, ACU Box 28132, Abilene, TX 79699-8132, USA
| | - Jordan R. Lowe
- Abilene Christian University, Department of Chemistry and Biochemistry, ACU Box 28132, Abilene, TX 79699-8132, USA
| | - Jacob A. Lowry
- Abilene Christian University, Department of Chemistry and Biochemistry, ACU Box 28132, Abilene, TX 79699-8132, USA
| | - D. Spencer Oskin
- Lipscomb University, Department of Chemistry and Biochemistry, One University Park Drive, Nashville, TN 37204, USA
| | - Pooja R. Patel
- Lipscomb University, Department of Chemistry and Biochemistry, One University Park Drive, Nashville, TN 37204, USA
| | - Devin Smith
- Abilene Christian University, Department of Chemistry and Biochemistry, ACU Box 28132, Abilene, TX 79699-8132, USA
| | - Wenting Wei
- Lipscomb University, Department of Chemistry and Biochemistry, One University Park Drive, Nashville, TN 37204, USA
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