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Lin C, Chen Z, Feng W, Wang R, Wang T. Salting-out effect-mediated size-control of protein nanoparticles towards controllable microstructures for sustained release of eugenol. Food Chem 2024; 439:138080. [PMID: 38070237 DOI: 10.1016/j.foodchem.2023.138080] [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: 06/04/2023] [Revised: 11/13/2023] [Accepted: 11/24/2023] [Indexed: 01/10/2024]
Abstract
Size and monodispersity of solid particles are essential to their structuring behaviors at biphasic interfaces. However, delicate control over biomolecular nanoparticle sizes is challenging. In this study, we prepared monodisperse rice protein (RP) nanoparticles by neutralizing RP solutions (pH 12.0) using combined treatments of cationic exchange resins (CERs) and HCl. CERs absorbed Na+ by releasing H+ without producing salt during neutralization. By compromising the usages of CERs and HCl when preparing RPs, the generation of NaCl can be delicately tailored, leading to controllable nanoparticle sizes from 20 nm to 30 nm. By mixing these nanoparticles with eugenol in an aqueous solution, the nanoparticles accommodated eugenol in their cores due to inward diffusion. Furthermore, such eugenol-contained nanoparticles with different sizes demonstrated tunable releases of eugenol due to size-dependent capillary forces, which can be harnessed for suppression of microbial growth on fruit with prolonged effective eugenol concentration.
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Affiliation(s)
- Chen Lin
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zhengxing Chen
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Wei Feng
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Ren Wang
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Tao Wang
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
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Xu P, Lin C, Li X, Shen Y, Chen Z, Feng W, Wang R, Chen Z, Wang T, Binks BP. Monodisperse Plant Protein Nanoparticles Prepared by Cation-Exchange Resins for Stabilization of Pickering Emulsions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:14412-14421. [PMID: 37769209 DOI: 10.1021/acs.langmuir.3c01871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Our understanding of the microstructure of many plant proteins is based on the ancient and conventional methods of alkali extraction and acid precipitation, which generate considerable amounts of NaCl causing salting-out effects and aggregation of their molecules. In this study, monodisperse rice protein (RP) nanoparticles were prepared using cation-exchange resins that release H+ and absorb Na+, thus avoiding the generation of NaCl during neutralization of the alkali extracts. The generated RP nanoparticles of small diameter (20 nm) and excellent uniformity (0.17 polydispersity) quickly diffuse to and stabilize the oil-water interface, producing oil-in-water Pickering emulsions. The emulsifying ability and emulsion stability afforded with these nanoparticles were 17 and 3.5 times higher than those of nanoparticles prepared by conventional alkali extraction and acid precipitation methods, respectively. Furthermore, increased RP nanoparticle concentration created more stable emulsions with smaller droplets and reduced flocculation index vital for practical applications. This study provides a convincing example of how to prepare monodisperse protein nanoparticles that adsorb at a fluid interface, which may find numerous applications in food and cosmetic formulations.
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Affiliation(s)
- Pengcheng Xu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Chen Lin
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xuyuan Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yuxi Shen
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zhenyun Chen
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Wei Feng
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Ren Wang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zhengxing Chen
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Tao Wang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology - Ministry of Education, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
- Jiangsu Provincial Engineering Research Centre for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Bernard P Binks
- Department of Chemistry, University of Hull, Hull HU6 7RX, U.K
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Sun F, Xiao D, Su H, Chen Z, Wang B, Feng X, Mao Z, Sui X. Highly stretchable porous regenerated silk fibroin film for enhanced wound healing. J Mater Chem B 2023; 11:1486-1494. [PMID: 36655870 DOI: 10.1039/d2tb01896a] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Silk fibroin (SF) has received interest in tissue engineering owing to its biocompatibility, biodegradability, and favorable mechanical properties. However, the complex preparation, brittleness, and lack of pores in the structure of the silk fibroin film limit its application. Herein, we show that facile dissolution of SF in aqueous phosphoric acid followed by regeneration in aqueous ammonium sulfate ((NH4)2SO4) could afford highly stretchable films with nano-pores formed in the nonsolvent-induced phase separation process. The named phase separation, which determines the morphology and mechanical properties of the regeneration silk fibroin (RSF) films, is highly dependent on the (NH4)2SO4 concentration as well as the initial concentration of the SF solution. Therefore, the RSF films exhibit a tunable pore size ranging from 230 to 510 nm and excellent stretchability with tensile strain up to 143 ± 16%. Most interestingly, the RSF films were shown to support the proliferation of human skin fibroblasts in vitro as well as speed up full-thickness skin wound healing in a rat model. This work establishes an easy and feasible method to access porous RSF membranes that can be used for wound dressing in clinical settings.
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Affiliation(s)
- Fengchao Sun
- Key Lab of Science and Technology of Eco-Textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China.,Shanghai Belt and Road Joint Laboratory of Textile Intelligent Manufacturing, Shanghai, 201620, China
| | - Dongdong Xiao
- Department of Urology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200001, China.,Shanghai Key Laboratory of Tissue Engineering, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200011, China
| | - Hui Su
- Key Lab of Science and Technology of Eco-Textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China.,Shanghai Belt and Road Joint Laboratory of Textile Intelligent Manufacturing, Shanghai, 201620, China
| | - Zhiliang Chen
- Key Lab of Science and Technology of Eco-Textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China.,Shanghai Belt and Road Joint Laboratory of Textile Intelligent Manufacturing, Shanghai, 201620, China
| | - Bijia Wang
- Key Lab of Science and Technology of Eco-Textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China.,Shanghai Belt and Road Joint Laboratory of Textile Intelligent Manufacturing, Shanghai, 201620, China
| | - Xueling Feng
- Key Lab of Science and Technology of Eco-Textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China.,Shanghai Belt and Road Joint Laboratory of Textile Intelligent Manufacturing, Shanghai, 201620, China
| | - Zhiping Mao
- Key Lab of Science and Technology of Eco-Textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China.,Shanghai Belt and Road Joint Laboratory of Textile Intelligent Manufacturing, Shanghai, 201620, China
| | - Xiaofeng Sui
- Key Lab of Science and Technology of Eco-Textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China.,Shanghai Belt and Road Joint Laboratory of Textile Intelligent Manufacturing, Shanghai, 201620, China
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Madeira PP, Rocha IL, Rosa ME, Freire MG, Coutinho JA. On the aggregation of bovine serum albumin. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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