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Sundar S, Linardi R, Gaesser A, Guo T, Ortved K, Engiles J, Parreno J, Dhong C. Optics-Free, In Situ Swelling Monitoring of Articular Cartilage with Graphene Strain Sensors. ACS Biomater Sci Eng 2023; 9:1011-1019. [PMID: 36701648 PMCID: PMC10123914 DOI: 10.1021/acsbiomaterials.2c01456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Articular cartilage derives its load-bearing strength from the mechanical and physiochemical coupling between the collagen network and negatively charged proteoglycans, respectively. Current disease modeling approaches and treatment strategies primarily focus on cartilage stiffness, partly because indentation tests are readily accessible. However, stiffness measurements via indentation alone cannot discriminate between proteoglycan degradation versus collagen degradation, and there is a lack of methods to monitor physiochemical contributors in full-stack tissue. To decouple these contributions, here, we developed a platform that measures tissue swelling in full-depth equine cartilage explants using piezoresistive graphene strain sensors. These piezoresistive strain sensors are embedded within an elastomer bulk and have sufficient sensitivity to resolve minute, real-time changes in swelling. By relying on simple DC resistance measurements over optical techniques, our platform can analyze multiple samples in parallel. Using these devices, we found that cartilage explants under enzymatic digestion showed distinctive swelling responses to a hypotonic challenge and established average equilibrium swelling strains in healthy cartilage (4.6%), cartilage with proteoglycan loss (0.5%), and in cartilage with both collagen and proteoglycan loss (-2.6%). Combined with histology, we decoupled the pathologic swelling responses as originating either from reduced fixed charge density or from loss of intrinsic stiffness of the collagen matrix in the superficial zone. By providing scalable and in situ monitoring of cartilage swelling, our platform could facilitate regenerative medicine approaches aimed at restoring osmotic function in osteoarthritic cartilage or could be used to validate physiologically relevant swelling behavior in synthetic hydrogels.
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Affiliation(s)
- Shalini Sundar
- Department of Biomedical Engineering, University of Delaware, Newark, Delaware, USA
| | - Renata Linardi
- Department of Clinical Studies, University of Pennsylvania School of Veterinary Medicine, New Bolton Center, Kennett Square, Pennsylvania, USA
| | - Angela Gaesser
- Department of Clinical Studies, University of Pennsylvania School of Veterinary Medicine, New Bolton Center, Kennett Square, Pennsylvania, USA
| | - Tianzheng Guo
- Department of Materials Science & Engineering, University of Delaware, Newark, Delaware, USA
| | - Kyla Ortved
- Department of Clinical Studies, University of Pennsylvania School of Veterinary Medicine, New Bolton Center, Kennett Square, Pennsylvania, USA
| | - Julie Engiles
- Department of Clinical Studies, University of Pennsylvania School of Veterinary Medicine, New Bolton Center, Kennett Square, Pennsylvania, USA
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, Pennsylvania, USA
| | - Justin Parreno
- Department of Biomedical Engineering, University of Delaware, Newark, Delaware, USA
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA
| | - Charles Dhong
- Department of Biomedical Engineering, University of Delaware, Newark, Delaware, USA
- Department of Materials Science & Engineering, University of Delaware, Newark, Delaware, USA
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Benbettaieb N, Mlaouah E, Moundanga S, Brachais CH, Kurek M, Galić K, Debeaufort F. Bioactive antioxidant coatings for poly(lactic acid) packaging films: polyphenols affect coating structure and their release in a food simulant. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:1115-1126. [PMID: 35781812 DOI: 10.1002/jsfa.12106] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 05/03/2022] [Accepted: 07/03/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Poly(lactic acid) (PLA) has limited uses for moist and acidic foods due to its barrier properties, which are fairly poor, and its sensitivity to moisture. RESULTS Deposition of thin coatings based on natural biopolymers (gelatin) incorporating bioactive agents has allowed the development of active packaging materials while maintaining their biodegradability and their food contact material ability. Gelatin coatings containing two phenolic acids (tannic and gallic) have been tested. These coated PLA films displayed a reduction of the moisture permeability and a slight modification of the thermal properties of PLA. The antioxidant properties of the films and their release kinetics in a simulant medium have been studied and modelled. CONCLUSIONS Incorporation of phenolic acids induced interactions with the gelatin that modified the structure of the network and positively affected the retention, diffusivity, and transfer rate of the bioactive compounds when coated PLA films were in contact with the liquid simulant. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Nasreddine Benbettaieb
- Department of BioEngineering, IUT-Dijon-Auxerre, University of Burgundy, 7 blvd Docteur Petitjean, BP 17867, Dijon, 21078, France
- UMR PAM A02.102 Procédé Alimenaires et Microbiologiques, Université Bourgogne Franche-Comté, 1, Esplanade Erasme, Dijon, 21000, France
| | - Emna Mlaouah
- National Institute of Applied Sciences and Technology (INSAT), 676 Centre Urbain Nord, Tunis, 1080, Tunisie
| | - Sylvie Moundanga
- UMR PAM A02.102 Procédé Alimenaires et Microbiologiques, Université Bourgogne Franche-Comté, 1, Esplanade Erasme, Dijon, 21000, France
| | - Claire-Hélène Brachais
- Institut Carnot de Bourgogne UMR CNRS, Université Bourgogne Franche-Comté, 9 avenue Alain Savary, Dijon, 21078, France
- Département Matériaux, ESIREM, University of Burgundy, Allée Savary, Dijon, 21000, France
| | - Mia Kurek
- Food PAckaging Lab, Faculty of Food Technology and Biotechnology, PBF, University of Zagreb, Pierrotijeva 6, Zagreb, 10000, Croatia
| | - Kata Galić
- Food PAckaging Lab, Faculty of Food Technology and Biotechnology, PBF, University of Zagreb, Pierrotijeva 6, Zagreb, 10000, Croatia
| | - Frédéric Debeaufort
- Department of BioEngineering, IUT-Dijon-Auxerre, University of Burgundy, 7 blvd Docteur Petitjean, BP 17867, Dijon, 21078, France
- UMR PAM A02.102 Procédé Alimenaires et Microbiologiques, Université Bourgogne Franche-Comté, 1, Esplanade Erasme, Dijon, 21000, France
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Dynamic modulation and epoxy functionalization of protein-mediated enoate ester-based hybrid cryogels. Int J Biol Macromol 2022; 223:1158-1179. [PMID: 36375674 DOI: 10.1016/j.ijbiomac.2022.11.063] [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: 09/05/2022] [Revised: 11/04/2022] [Accepted: 11/07/2022] [Indexed: 11/15/2022]
Abstract
The current work is focused on the preparation of protein-mediated poly(hydroxyethyl methacrylate-co-glycidyl methacrylate) copolymer as a self-template for in situ synthesis of hybrid gels. Gelatin, collagen, biotin, and l-arginine were used to create hybrid materials with adjustable swelling and elastic properties. Hybrid cryogels tended to swell more than hybrid hydrogels due to their porous nature. Collaged-doped cryogels had the highest swelling, whereas gelatin-doped hybrids showed enhanced elastic modulus. All hybrid gels exhibited pH-sensitive swelling to controlled release applications depending on the degree of protonation of NH2 and COOH groups in the side chains. At low pH conditions, hybrid cryogels exhibited a higher swelling tendency compared to hydrogels. Ion-stimulus-response of hybrid gels was studied to evaluate the effect of salt concentration and features of ambient ions on swelling. Depending on the polyelectrolytic or polyampholytic nature, the extent of swelling in NaCl and KCl solutions varied according to the charge distribution in the network chains. Hybrid gels showed excellent adsorption performance for methyl orange by the presence of epoxy, hydroxyl groups, amino and carboxyl groups providing sufficient active sites. Adsorption capacity of hybrid cryogels is higher than that of hydrogels. The removal rate 97/%, reached an equilibrium state in a short period, suggested that collagen-doped hybrid cryogels have a potential application to remove dyestuff from wastewater. In relation to the decrease of methyl orange concentration in solution, adsorption process followed pseudo-second-order kinetic model. Avrami model has provided a better experimental-calculated fit and adsorption thermodynamics analysis indicated that the adsorption was a spontaneous process with a negative standard free energy. The characteristic findings from this research will provide insights into the design and application of enoate-ester and protein-based combinations in the food, biomedical and cosmetic fields.
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Wang H, Ding F, Ma L, Zhang Y. Recent advances in gelatine and chitosan complex material for practical food preservation application. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.15340] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Hongxia Wang
- College of Food Science Southwest University Chongqing 400715 China
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education Chongqing 400715 China
- The Ecological Fishery Technological System of Chongqing Municipal Agricultural and Rural Committee Chongqing 400715 China
| | - Fuyuan Ding
- School of Food and Biological Engineering Jiangsu University Zhenjiang 212013 China
| | - Liang Ma
- College of Food Science Southwest University Chongqing 400715 China
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education Chongqing 400715 China
- The Ecological Fishery Technological System of Chongqing Municipal Agricultural and Rural Committee Chongqing 400715 China
| | - Yuhao Zhang
- College of Food Science Southwest University Chongqing 400715 China
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education Chongqing 400715 China
- The Ecological Fishery Technological System of Chongqing Municipal Agricultural and Rural Committee Chongqing 400715 China
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Kudaibergenov SE. Synthetic and natural polyampholytes: Structural and behavioral similarity. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5145] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Sarkyt E. Kudaibergenov
- Institute of Polymer Materials and Technology Atyrau Kazakhstan
- Laboratory of Engineering Profile Satbayev University Almaty Kazakhstan
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Czerner M, Prudente M, Martucci JF, Rueda F, Fasce LA. Mechanical behavior of cold‐water fish gelatin gels crosslinked with 1,4‐butanediol diglycidyl ether. J Appl Polym Sci 2020. [DOI: 10.1002/app.48985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Marina Czerner
- Grupo de Investigación Preservación y Calidad de AlimentosInstituto de Ciencia y Tecnología de Alimentos y Ambiente (INCITAA), Facultad de Ingeniería, UNMDP Mar del Plata Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) Mar del Plata Argentina
- Departamento de Ingeniería Química y en AlimentosFacultad de Ingeniería, UNMDP Mar del Plata Argentina
| | - Mariano Prudente
- Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA). CONICET‐UNMDP Mar del Plata Argentina
| | - Josefa Fabiana Martucci
- Departamento de Ingeniería Química y en AlimentosFacultad de Ingeniería, UNMDP Mar del Plata Argentina
- Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA). CONICET‐UNMDP Mar del Plata Argentina
| | - Federico Rueda
- Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA). CONICET‐UNMDP Mar del Plata Argentina
| | - Laura Alejandra Fasce
- Departamento de Ingeniería Química y en AlimentosFacultad de Ingeniería, UNMDP Mar del Plata Argentina
- Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA). CONICET‐UNMDP Mar del Plata Argentina
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Kurşun F, Işıklan N. Synthesis, characterization, and swelling behavior of poly(
N
‐hydroxymethylacrylamide) grafted poly(vinyl alcohol). J Appl Polym Sci 2020. [DOI: 10.1002/app.49014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Fatma Kurşun
- Science and Arts Faculty, Chemistry DepartmentKırklareli University Kayali‐Kırklareli Turkey
| | - Nuran Işıklan
- Science and Arts Faculty, Chemistry DepartmentKırıkkale University Yahşihan‐Kırıkkale Turkey
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Liu WC, Wang HY, Lee TH, Chung RJ. Gamma-poly glutamate/gelatin composite hydrogels crosslinked by proanthocyanidins for wound healing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 101:630-639. [DOI: 10.1016/j.msec.2019.04.018] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 04/07/2019] [Accepted: 04/08/2019] [Indexed: 01/08/2023]
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Pinto Ramos D, Sarjinsky S, Alizadehgiashi M, Möbus J, Kumacheva E. Polyelectrolyte vs Polyampholyte Behavior of Composite Chitosan/Gelatin Films. ACS OMEGA 2019; 4:8795-8803. [PMID: 31459968 PMCID: PMC6647984 DOI: 10.1021/acsomega.9b00251] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 05/13/2019] [Indexed: 06/10/2023]
Abstract
Composite films of proteins and polysaccharides have a broad range of biomedical and food packaging applications, in which they are frequently exposed to fluid environments with varying ionic strengths. In the present work, we report the behavior of biopolymer films derived from chitosan (Ch), gelatin (GEL), and Ch/GEL mixture in salt solutions with varying concentrations and ion charges. The swelling and dissolution of the Ch films reduced with increasing salt concentration due to the polyelectrolyte behavior of this biopolymer, while the GEL films displayed a polyampholyte behavior, in which film swelling and dissolution were enhanced in salt solutions. Composite Ch/GEL films followed the behavior of GEL. The release of small ionic and zwitter-ionic molecules from the films was enhanced in ionic solutions due to the screened attraction between these molecules and the polymer matrix. These results provide insight into the behavior of protein/polysaccharide films in varying ionic environments, thus enabling enhanced design of biomaterials for a broad range of applications.
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Affiliation(s)
- Daniel Pinto Ramos
- Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Sharon Sarjinsky
- Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Moien Alizadehgiashi
- Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Juri Möbus
- Suncayr,
Ltd., 2660 Speakman Drive, Mississauga, Ontario L5K 2L1, Canada
| | - Eugenia Kumacheva
- Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
- Institute
of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
- Department
of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
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Swain P, Ronghe A, Bhutani U, Majumdar S. Physicochemical Response of Gelatin in a Coulombic Soup of Monovalent Salt: A Molecular Simulation and Experimental Study. J Phys Chem B 2019; 123:1186-1194. [PMID: 30640463 DOI: 10.1021/acs.jpcb.8b11379] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The effect of salt on the static properties of aqueous solution of gelatin is studied by molecular dynamics simulation at pH = 1.2, 7, and 10. At the isoelectric point (pH = 7), a monotonic increase in size of the polymer is obtained with the addition of sodium chloride ions. In the positive polyelectrolyte regime (pH = 1.2), collapse of gelatin is observed with increase in salt concentration. In the negative polyelectrolyte regime, we observe an interesting collapse-reexpansion behavior. This is due to the screening of repulsion between the excess charges followed by the screening of attraction of oppositely charged ions as the salt concentration is increased. This mechanism is very different from the charge inversion mechanism which causes the reexpansion in the presence of multivalent ions. The location of salt concentration corresponding to the minimum size of the chain is comparable to the theoretical estimate. The shift in the peak of radial distribution function calculated between monomers and salt ions confirms this spatial reorganization. The predictions from the simulation are verified by dynamic light scattering(DLS) and small-angle X-ray scattering (SAXS) experiments. The size of the hydrodynamic "clusters" obtained from DLS confirms the simulation predictions. Persistence length of the gelatin is calculated from SAXS to get single chain statistics, which also agrees well with the simulation results.
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Affiliation(s)
- Pinaki Swain
- Department of Chemical Engineering , Indian Institute of Technology Hyderabad , Hyderabad 502205 , India
| | - Anshaj Ronghe
- Department of Chemical Engineering , Indian Institute of Technology Hyderabad , Hyderabad 502205 , India
| | - Utkarsh Bhutani
- Department of Chemical Engineering , Indian Institute of Technology Hyderabad , Hyderabad 502205 , India
| | - Saptarshi Majumdar
- Department of Chemical Engineering , Indian Institute of Technology Hyderabad , Hyderabad 502205 , India
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11
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Dang X, Chen H, Dai R, Wang Y, Shan Z. Electrochemical-Assisted Synthesis, Spray Granulation and Characterization of Oxidized Corn Starch–Gelatin. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b00665] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Xugang Dang
- The Key Laboratory of Leather Chemistry and Engineering, Sichuan University, Ministry of Education, Chengdu 610065, China
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Hui Chen
- The Key Laboratory of Leather Chemistry and Engineering, Sichuan University, Ministry of Education, Chengdu 610065, China
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
| | - Rui Dai
- Sichuan University, Chengdu 610065, China
| | - Yajuan Wang
- School of Materials and Chemical Engineering, Ningbo University of Technology, Ningbo 315016, China
| | - Zhihua Shan
- The Key Laboratory of Leather Chemistry and Engineering, Sichuan University, Ministry of Education, Chengdu 610065, China
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China
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D'Agostino C, Liuzzi R, Gladden LF, Guido S. Swelling-induced structural changes and microparticle uptake of gelatin gels probed by NMR and CLSM. SOFT MATTER 2017; 13:2952-2961. [PMID: 28358151 DOI: 10.1039/c6sm02811j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Gelatin gels are increasingly involved in many industrial applications due to several advantages including cost efficiency and biocompatibility. Generally, their production requires the use of aqueous solvents, which cause significant swelling, due to the ability of solvent molecules to penetrate through the gel microstructure and increase its volume. Since swelling mechanisms and their effect on the gel structure are not fully understood, further investigations are required. In this work, we combine macroscopic measurements of the swelling ratio (SR) with Nuclear Magnetic Resonance (NMR) and Confocal Laser Scanning Microscopy (CLSM) to investigate changes in the gelatin structure as a function of both polymer concentration and swelling time. SR values increase as a function of time until a maximum is reached and then show a slight drop for all the gelatin concentrations after 24 h swelling time, probably due to a network relaxation process. NMR allows determination of mass transport and molecular dynamics of water inside the gelatin pores, while CLSM is used to visualize the penetration of tracers (polystyrene microbeads) with a diameter much larger than the gel pores. Structural parameters, such as average pore size and tortuosity, are estimated. In particular, the pore size decreases for higher polymer concentration and increases during swelling, until reaching a maximum, and then dropping at longer times. The penetration of tracers provides evidence of the heterogeneity of the gel structure and shows that single microcarriers can be loaded in gelatin gels upon swelling.
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Affiliation(s)
- Carmine D'Agostino
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Pembroke Street, Cambridge CB2 3RA, UK.
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