1
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Zhou S, Hou S, Lu Q. Polyphosphazene Microparticles with High Free Radical Scavenging Activity for Skin Photoprotection. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38865694 DOI: 10.1021/acsami.4c04171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2024]
Abstract
Ultraviolet (UV) filters are the core ingredients in sunscreens and protect against UV-induced skin damage. Nevertheless, their safety and effectiveness have been questioned in terms of their poor photostability, skin penetration, and UV-induced generation of deleterious reactive oxygen species (ROS). Herein, an organic UV filter self-framed microparticle sunblock was exploited, in which quercetin (QC) and hexachlorocyclotriphosphazene (HCCP) were self-constructed into microparticles (HCCP-QC MPs) by facile precipitation polymerization without any carriers. HCCP-QC MPs could not only significantly extend the UV shielding range to the whole UV region but also remarkably reduce UV-induced ROS while avoiding direct skin contact and the resulting epidermal penetration of small-molecule QC. Meanwhile, HCCP-QC MPs possess a high QC-loading ability (697 mg g-1) by QC itself as the microparticles' building blocks. In addition, there is no leakage issue with small molecules due to its covalently cross-linked structure. In vitro and vivo experiments also demonstrated that the HCCP-QC MPs have excellent UV protection properties and effective ROS scavenging ability without toxicity. In summary, effective UV-shielding and ROS scavenging ability coupled with excellent biocompatibility and nonpenetration of small molecules make it a broad prospect in skin protection.
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Affiliation(s)
- Shiliu Zhou
- School of Chemistry and Chemical Engineering, The State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Shenglei Hou
- The Center for Drug Evaluation, Monitoring and Assessment of Fujian Province, 156 Dongpu Road, Gulou District, Fuzhou, Fujian 350001, China
| | - Qinghua Lu
- School of Chemistry and Chemical Engineering, The State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
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2
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Guo Y, Guo G, Liu P, You Y, Yuan J, Hu G, Dai L, North M, Xie H, Zheng Q. The synthesis of multifunctional cellulose graft alternating copolymers of 3,4-dihydrocoumarin and epoxides in DBU/DMSO/CO 2 solvent system. Int J Biol Macromol 2023; 252:126584. [PMID: 37648137 DOI: 10.1016/j.ijbiomac.2023.126584] [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: 03/23/2023] [Revised: 08/15/2023] [Accepted: 08/27/2023] [Indexed: 09/01/2023]
Abstract
Cellulose graft copolymers having well-defined structures could incorporate the characteristics of both the cellulose skeleton and side chains, providing a new method for the preparation functionalised cellulose derivatives. Herein, a series of multifunctional cellulose grafted, alternating 3,4-dihydrocoumarin (DHC) and epoxide (EPO) copolymers (cell-g-P(DHC-alt-EPO)) were prepared in a metal-free DBU/DMSO/CO2 solvent system without adding additional catalyst. Four examples of cell-g-P(DHC-alt-EPO) with tunable thermal and optical properties were synthesized by copolymerization of DHC with styrene oxide (SO), propylene oxide (PO), cyclohexene oxide (CHO) or furfuryl glycidyl ether (FGE) onto cellulose. The nonconjugated cell-g-P(DHC-alt-EPO) showed UV absorption properties with the maximum absorption peak at 282 nm and 295 nm and photoluminescence performance. A clustering-triggered emission mechanism was confirmed and consistent with DFT theoretical calculations. In DMSO solution, the copolymer (DHCSO5) with DP of 11.64 showed ACQ behaviour as the concentration increased. In addition, DHCSO5 had good antioxidant capacity with an instantaneous radical scavenging activity of 2,2-diphenyl-1-picrylhydrazine (DPPH) up to 65 % at a concentration of 40 mg/ ml and increased to 100 % after 30 min. Thus, the multifunctional cell-g-P(DHC-alt-EPO) materials had a variety of potential applications in the fields of fluorescent printing, bio-imaging, UV- shielding and antioxidants.
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Affiliation(s)
- Yuanlong Guo
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China
| | - Gu Guo
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China
| | - Pengcheng Liu
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China
| | - Yang You
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China
| | - Jili Yuan
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China
| | - Gang Hu
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China
| | - Lei Dai
- Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, PR China
| | - Michael North
- Green Chemistry Centre of Excellence, Department of Chemistry, University of York, York YO10 5DD, UK
| | - Haibo Xie
- Department of Polymeric Materials & Engineering, Guizhou University, West Campus, Guizhou University, Huaxi District, Guiyang 550025, PR China.
| | - Qiang Zheng
- Taiyuan University of Technology, Wanbolin District, Taiyuan 030024, PR China.
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3
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Hamoda AM, Hamdy R, Fayed B, Abouleish M, Sulaiman A, Hamad M, Soliman SSM. Evolutionary relevance of metabolite production in relation to marine sponge bacteria symbiont. Appl Microbiol Biotechnol 2023:10.1007/s00253-023-12649-3. [PMID: 37358811 DOI: 10.1007/s00253-023-12649-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 04/14/2023] [Accepted: 06/15/2023] [Indexed: 06/27/2023]
Abstract
Sponges are habitats for a diverse community of microorganisms. Sponges provide shelter, whereas microbes provide a complementary defensive mechanism. Here, a symbiotic bacterium, identified as Bacillus spp., was isolated from a marine sponge following culture enrichment. Fermentation-assisted metabolomics using thin-layer chromatography (TLC) and gas chromatography-mass spectrometry (GC-MS) indicated that marine simulated nutrition and temperature was the optimum in metabolite production represented by the highest number of metabolites and the diverse chemical classes when compared to other culture media. Following large-scale culture in potato dextrose broth (PDB) and dereplication, compound M1 was isolated and identified as octadecyl-1-(2',6'-di-tert-butyl-1'-hydroxyphenyl) propionate. M1, at screening concentrations up to 10 mg/ml, showed no activity against prokaryotic bacteria including Staphylococcus aureus and Escherichia coli, while 1 mg/ml of M1 was sufficient to cause a significant killing effect on eukaryotic cells including Candida albicans, Candida auris, and Rhizopus delemar fungi and different mammalian cells. M1 exhibited MIC50 0.97 ± 0.006 and 7.667 ± 0.079 mg/ml against C. albicans and C. auris, respectively. Like fatty acid esters, we hypothesize that M1 is stored in a less harmful form and upon pathogenic attack is hydrolyzed to a more active form as a defensive metabolite. Subsequently, [3-(3,5-di-tert-butyl-4-hydroxyphenyl)-propionic acid] (DTBPA), the hydrolysis product of M1, exhibited ~ 8-fold and 18-fold more antifungal activity than M1 against C. albicans and C. auris, respectively. These findings indicated the selectivity of that compound as a defensive metabolite towards the eukaryotic cells particularly the fungi, a major infectious agent to sponges. Metabolomic-assisted fermentation can provide a significant understanding of a triple marine-evolved interaction. KEY POINTS: • Bacillus species, closely related to uncultured Bacillus, is isolated from Gulf marine sponge • Metabolomic-assisted fermentations showed diverse metabolites • An ester with a killing effect against eukaryotes but not prokaryotes is isolated.
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Affiliation(s)
- Alshaimaa M Hamoda
- Research Institute for Medical and Health Sciences, University of Sharjah, P.O. Box 27272, Sharjah, UAE
- College of Medicine, University of Sharjah, P.O. Box 27272, Sharjah, UAE
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut-71526, Egypt
| | - Rania Hamdy
- Research Institute for Medical and Health Sciences, University of Sharjah, P.O. Box 27272, Sharjah, UAE
- Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - Bahgat Fayed
- Research Institute for Medical and Health Sciences, University of Sharjah, P.O. Box 27272, Sharjah, UAE
- Chemistry of Natural and Microbial Product Department, National Research Centre, Cairo, Egypt
| | - Mohamed Abouleish
- Department of Biology, Chemistry and Environmental Sciences, College of Arts and Sciences, American University of Sharjah, P.O. Box 26666, Sharjah, UAE
| | - Ashna Sulaiman
- Research Institute for Medical and Health Sciences, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Mohamad Hamad
- Research Institute for Medical and Health Sciences, University of Sharjah, P.O. Box 27272, Sharjah, UAE
- Department of Medical Laboratory Sciences, Collage of Health Sciences, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Sameh S M Soliman
- Research Institute for Medical and Health Sciences, University of Sharjah, P.O. Box 27272, Sharjah, UAE.
- Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, P.O. Box 27272, Sharjah, UAE.
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4
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Heo JW, Chen J, Kim MS, Kim JW, Zhang Z, Jeong H, Kim YS. Eco-friendly and facile preparation of chitosan-based biofilms of novel acetoacetylated lignin for antioxidant and UV-shielding properties. Int J Biol Macromol 2023; 225:1384-1393. [PMID: 36435473 DOI: 10.1016/j.ijbiomac.2022.11.196] [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: 08/07/2022] [Revised: 11/10/2022] [Accepted: 11/20/2022] [Indexed: 11/24/2022]
Abstract
The development of eco-friendly, sustainable, biodegradable, and biocompatible green biopolymer composites is becoming increasingly important. In this study, acetoacetylated lignin (ATL) was obtained via an eco-friendly, facile one-step synthesis reaction, and chitosan (CS)-containing ATL films (CSL) were prepared. The chemical structural analysis of ATL confirmed that the acetoacetyl groups were successfully grafted onto kraft lignin (KL). ATL with adequate acetoacetyl groups exhibited enhanced molecular weight and antioxidant and ultraviolet (UV)-shielding properties. In particular, ATL, with a half maximal inhibitory concentration (IC50) of 23.8 μg·mL-1, exhibited superior antioxidant activity than butylated hydroxytoluene (38.3 μg·mL-1) and KL (50.0 μg·mL-1). When ATL was incorporated into the CS solution to prepare biofilms, the antioxidant activity, UV-shielding property, water resistance, and thermal stability of the CSL greatly improved. Notably, the UV-A and UV-B shielding properties of the 2 % CSL were 130 % and 78 % higher than those of the pure CS film, respectively. Therefore, ATL designed with lignin-derived multifunctional properties has potential applications as an antioxidant and UV-shielding bio-additive and shows significant prospects in food packaging and biomedical applications.
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Affiliation(s)
- Ji Won Heo
- Department of Paper Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Jiansong Chen
- Department of Paper Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Min Soo Kim
- Department of Paper Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Ji Woo Kim
- Department of Paper Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Zhili Zhang
- Changgang Institute of Paper Science and Technology, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Hanseob Jeong
- Forest Industrial Materials Division, Forest Products and Industry Department, National Institute of Forest Science, Seoul 02455, Republic of Korea
| | - Yong Sik Kim
- Department of Paper Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea.
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5
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Wang YR, Yin CC, Zhang JM, Wu J, Yu J, Zhang J. Functional Cellulose Materials Fabricated by Using Ionic Liquids as the Solvent. CHINESE JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1007/s10118-022-2787-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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6
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Mukherjee S, Jana S, Khawas S, Kicuntod J, Marschall M, Ray B, Ray S. Synthesis, molecular features and biological activities of modified plant polysaccharides. Carbohydr Polym 2022; 289:119299. [DOI: 10.1016/j.carbpol.2022.119299] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 02/23/2022] [Accepted: 02/24/2022] [Indexed: 12/17/2022]
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7
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Lu X, Gu X, Shi Y. A review on lignin antioxidants: Their sources, isolations, antioxidant activities and various applications. Int J Biol Macromol 2022; 210:716-741. [PMID: 35526770 DOI: 10.1016/j.ijbiomac.2022.04.228] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/13/2022] [Accepted: 04/29/2022] [Indexed: 12/14/2022]
Abstract
Lignin, a biopolymer obtained from agricultural/forestry residues or paper pulping wastewater, is rich in aromatic structure, which is central to its adoption as a candidate to natural antioxidants. Through insight into its structural features from biomass, different functional groups would influence lignin antioxidant activity, wherein phenolic content is the most important factor, hence massive studies have focused on its improvement via different pretreatments and post-processing methods. Besides, lignin nanoparticles and chemical modifications are also efficient methods to improve antioxidant activity via increasing free content and decreasing bond dissociation enthalpy of phenolic hydroxyl. Lignin samples exhibit comparable radicals scavenging ability to commercial ones, showing their potential as renewable alternatives of synthesized antioxidants. Besides, their applications have also been discussed, which demonstrates lignin potential as an inexpensive antioxidant additive and consequent improvements on multiple functionalities. This review is dedicated to summarize lignin antioxidants extracted from biomass resources, methods to improve their antioxidant activity and their applications, which is beneficial for realizing lignin valorization.
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Affiliation(s)
- Xinyu Lu
- Co-Innovation Center for Efficient Processing and Utilization of Forest Products, College of Chemical Engineering, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, PR China
| | - Xiaoli Gu
- Co-Innovation Center for Efficient Processing and Utilization of Forest Products, College of Chemical Engineering, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, PR China.
| | - Yijun Shi
- Division of Machine Elements, Luleå University of Technology, SE97187 Luleå, Sweden.
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8
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Qiu S, Liang J, Hou Y, Zhou X, Zhou Y, Wang J, Zou B, Xing W, Hu Y. Hindered phenolic antioxidant passivation of black phosphorus affords air stability and free radical quenching. J Colloid Interface Sci 2022; 606:1395-1409. [PMID: 34492475 DOI: 10.1016/j.jcis.2021.08.098] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/13/2021] [Accepted: 08/14/2021] [Indexed: 02/08/2023]
Abstract
As an antioxidant, hindered phenol scavenges free radicals. Due to the oxidative degradation of black phosphorus (BP) in the presence of water and oxygen, free radical quenching of hindered phenol antioxidants can solve this issue and improve the environmental stability and flame retardant efficiency of BP. Herein, hydroxyl-modified BP (BP-OH) with active groups on the surface was obtained by hydroxylation, and then the hindered phenol antioxidant was grafted onto the surface of BP-OH through an isophorone diisocyanate bridging covalent reaction to obtain hindered phenol-modified BP (BP-HPL). The fire hazard of thermoplastic polyurethane (TPU) can be significantly reduced by introducing BP-HPL into TPU. Adding 2 wt% BP-HPL can reduce the heat release rate and total heat release values of TPU by 49.9% and 49.0%, respectively. In addition, the reductions in smoke volume and carbon monoxide production were also significant. Compared with BP-OH, the environmental stability of BP-HPL is significantly improved. This work provides a reference for the application of BP in the field of fire safety and simultaneously achieves the improvement of the environmental stability and flame retardant performance of BP.
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Affiliation(s)
- Shuilai Qiu
- State Key Laboratory of Fire Science, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, PR China
| | - Jing Liang
- School of Mechanical and Manufacturing Engineering, University of New South Wales, Sydney, NSW 2052, Australia
| | - Yanbei Hou
- State Key Laboratory of Fire Science, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, PR China
| | - Xia Zhou
- State Key Laboratory of Fire Science, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, PR China
| | - Yifan Zhou
- State Key Laboratory of Fire Science, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, PR China
| | - Jingwen Wang
- State Key Laboratory of Fire Science, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, PR China
| | - Bin Zou
- State Key Laboratory of Fire Science, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, PR China
| | - Weiyi Xing
- State Key Laboratory of Fire Science, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, PR China.
| | - Yuan Hu
- State Key Laboratory of Fire Science, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, PR China.
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9
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Ding P, Zou Y, He J, Sun Y, Liu F. Effects of a novel chitosan based macromolecule antioxidant COS-GMMP on the thermo-oxidative aging of styrene-butadiene rubber/silica composites. Polym Degrad Stab 2022. [DOI: 10.1016/j.polymdegradstab.2021.109813] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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10
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Guo M, Hsieh YL. One-pot synthesis of 2-bromopropionyl esterified cellulose nanofibrils as hydrophobic coating and film. RSC Adv 2022; 12:15070-15082. [PMID: 35702441 PMCID: PMC9112886 DOI: 10.1039/d2ra00722c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 05/01/2022] [Indexed: 12/11/2022] Open
Abstract
Bromo-esterified cellulose nanofibrils have been one-pot synthesized by direct heterogeneous 2-bromopropionyl esterification and in situ ultra-sonication to serve as versatile hydrophobic nm thick coating or 100 μm thick film.
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Affiliation(s)
- Mengzhe Guo
- Department of Biological and Agricultural Engineering, University of California, Davis, California, 95616, USA
| | - You-Lo Hsieh
- Department of Biological and Agricultural Engineering, University of California, Davis, California, 95616, USA
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11
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Bukharov SV, Sadykova YM, Umarov TE, Burilov AR, Nugumanova GN, Momzyakova KS, Deberdeev TR, Deberdeev RY. Synthesis and Antiradical Activity of Hindered Phenol Derivatives of Flax Cellulose. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2021. [DOI: 10.1134/s1068162021070050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Baschieri A, Amorati R. Methods to Determine Chain-Breaking Antioxidant Activity of Nanomaterials beyond DPPH •. A Review. Antioxidants (Basel) 2021; 10:1551. [PMID: 34679687 PMCID: PMC8533328 DOI: 10.3390/antiox10101551] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 12/15/2022] Open
Abstract
This review highlights the progress made in recent years in understanding the mechanism of action of nanomaterials with antioxidant activity and in the chemical methods used to evaluate their activity. Nanomaterials represent one of the most recent frontiers in the research for improved antioxidants, but further development is hampered by a poor characterization of the ''antioxidant activity'' property and by using oversimplified chemical methods. Inhibited autoxidation experiments provide valuable information about the interaction with the most important radicals involved in the lipid oxidation, namely alkylperoxyl and hydroperoxyl radicals, and demonstrate unambiguously the ability to stop the oxidation of organic materials. It is proposed that autoxidation methods should always complement (and possibly replace) the use of assays based on the quenching of stable radicals (such as DPPH• and ABTS•+). The mechanisms leading to the inhibition of the autoxidation (sacrificial and catalytic radical trapping antioxidant activity) are described in the context of nanoantioxidants. Guidelines for the selection of the appropriate testing conditions and of meaningful kinetic analysis are also given.
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Affiliation(s)
- Andrea Baschieri
- Istituto per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale delle Ricerche (ISOF-CNR), Via P. Gobetti 101, 40129 Bologna, Italy;
| | - Riccardo Amorati
- Department of Chemistry “G. Ciamician”, University of Bologna, Via S. Giacomo 11, 40126 Bologna, Italy
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Yang W, Ding H, Qi G, Guo J, Xu F, Li C, Puglia D, Kenny J, Ma P. Enhancing the Radical Scavenging Activity and UV Resistance of Lignin Nanoparticles via Surface Mannich Amination toward a Biobased Antioxidant. Biomacromolecules 2021; 22:2693-2701. [PMID: 34077181 DOI: 10.1021/acs.biomac.1c00387] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In recent years, lignin specific activities, such as antioxidation and antibacterial and anti-ultraviolet performance, have drawn more and more attention. Nevertheless, the insufficient radical scavenging (antioxidation) activity has become one of the main drawbacks that limits its high-value application. In this study, lignin nanoparticles (LNPs) were prepared via a facile acid treatment strategy. Subsequently, surface amination of LNPs (a-LNPs) was carried out through the Mannich reaction. Specifically, the antioxidant behavior of LNPs and modified LNPs was evaluated by DPPH/DMPO radical scavenging and in vitro HeLa cell reactive oxygen species (ROS) scavenging tests, which demonstrated that the antioxidation activity of a-LNPs was more evident than that of both LNPs and butylated hydroxytoluene (BHT) commercial antioxidant. The mechanism of the radical scavenging ability of aminated LNPs was elucidated and proved to be related to the bond dissociation enthalpy of Ar-O···H, determined by the electron-donating effect of the substituted groups in the ortho-position. Meanwhile, the morphologies, solubilities, and UV-absorbing and antibacterial behavior of LNPs and a-LNPs were also studied, and the results showed that a-LNP sample exhibited higher UV resistance performance than LNPs. We expected that the modified LNPs with high antioxidation activity can serve as a safe and lower-cost biobased antioxidant.
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Affiliation(s)
- Weijun Yang
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Hui Ding
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Guochuang Qi
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Jiaqi Guo
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and Joint International Research Lab of Lignocellulosic Functional Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Fei Xu
- Department of Basic Medicine, Wuxi Medical School, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Chengcheng Li
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and Joint International Research Lab of Lignocellulosic Functional Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Debora Puglia
- Perugia University, Civil and Environmental Engineering Department, Materials Engineering Center, UdR INSTM, Terni 05100, Italy
| | - Jose Kenny
- Perugia University, Civil and Environmental Engineering Department, Materials Engineering Center, UdR INSTM, Terni 05100, Italy
| | - Piming Ma
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi 214122, China
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14
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Miao L, Daozhou L, Ying C, Qibing M, Siyuan Z. A resveratrol-loaded nanostructured lipid carrier hydrogel to enhance the anti-UV irradiation and anti-oxidant efficacy. Colloids Surf B Biointerfaces 2021; 204:111786. [PMID: 33984613 DOI: 10.1016/j.colsurfb.2021.111786] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 03/25/2021] [Accepted: 04/20/2021] [Indexed: 12/12/2022]
Abstract
Exposure to ultraviolet (UV) irradiation leads to the generation of reactive oxygen species (ROS) and DNA damage in skin tissue, which can further result in skin cancers. Using sunscreens is one of the most popular and the most effective method to resist UV irradiation. Resveratrol (RES) shows high absorbance in UV region and significant anti-oxidant effects. However, RES is easily degraded by UV irradiation, resulting in the decrease of bioactivity and the limitation of its application in the pharmaceutical preparations of skin. In this paper, a nanostructured lipid carrier gel loaded with RES (RES-NLC-gel) was prepared to improve the stability of RES and the accumulation of RES in the epidermis. Moreover, RES-NLC-gel could scavenge free radical effectively and protect human keratinocyte from UV irradiation by inhibiting the generation of ROS, decreasing the protein expression of cleaved caspase-3 and Bax and increasing the protein expression of Bcl-2. When mice skin was pretreated with RES-NLC-gel, there were less erythema, wrinkles and scabs on mice skin. The epidermal thickness of mice skins obviously reduced in dose-dependent manner. The activities of catalase (CAT), glutathione peroxidase (GPx) and superoxide dismutase (SOD) in mice skin tissue significantly increased. Thus, RES-NLC-gel exhibited an obvious anti-UV irradiation and anti-oxidant activity in vivo. RES-NLC-gel displayed great application potential in protecting skin from UV irradiation.
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Affiliation(s)
- Liu Miao
- Department of Pharmaceutics, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China
| | - Liu Daozhou
- Department of Pharmaceutics, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China
| | - Cheng Ying
- Department of Pharmaceutics, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China
| | - Mei Qibing
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Zhou Siyuan
- Department of Pharmaceutics, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China; Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Fourth Military Medical University, Xi'an, 710032, China.
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Nawaz H, Zhang J, Tian W, Jin K, Jia R, Yang T, Zhang J. Cellulose-based fluorescent sensor for visual and versatile detection of amines and anions. JOURNAL OF HAZARDOUS MATERIALS 2020; 387:121719. [PMID: 31780292 DOI: 10.1016/j.jhazmat.2019.121719] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 11/13/2019] [Accepted: 11/18/2019] [Indexed: 06/10/2023]
Abstract
It is practical and challenging to construct ultrasensitive and multi-responsive sensors for visual and real-time monitoring of the environment. Herein, a cellulose-based multi-responsive fluorescent sensor (Phen-MDI-CA) is fabricated, and realizes a visual and ultrasensitive detection of not only various amines but also three anions based on the change of the fluorescence and/or visible colors. Once exposure to various amines in both the solution and vapor state, the Phen-MDI-CA solution and test paper exhibit different fluorescence colors, which can be used to distinguish triethylamine, ethylenediamine, methylamine, aniline, hydrazine and pyrrolidine from other amines. Moreover, via combining the Phen-MDI-CA with the Phen-MDI-CA/malachite green ratiometric system, phosphate (PO43-), carbonate (CO32-) and borate (B4O72-) can be visually and accurately recognized depending on the change of the visible and fluorescence colors. In fluorescent mode, the LOD for B4O72-, PO43- and CO32- ions is as low as 0.18 nmol, 0.69 nmol and 0.86 nmol, respectively. Significantly, the Phen-MDI-CA can readily make a qualitative and quantitative detection of B4O72-, PO43- and CO32- anions in the mixture of anions. The state-of-the-art responsive behavior of Phen-MDI-CA originates from the amplification effect of cellulose polymer chain and the differentiated interactions between the sensor and analytes.
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Affiliation(s)
- Haq Nawaz
- CAS Key Laboratory of Engineering Plastics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China
| | - Jinming Zhang
- CAS Key Laboratory of Engineering Plastics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China.
| | - Weiguo Tian
- CAS Key Laboratory of Engineering Plastics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China
| | - Kunfeng Jin
- CAS Key Laboratory of Engineering Plastics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ruonan Jia
- CAS Key Laboratory of Engineering Plastics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Tiantian Yang
- CAS Key Laboratory of Engineering Plastics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jun Zhang
- CAS Key Laboratory of Engineering Plastics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, 100190, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
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