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Vignesh V, Kavalappa YP, Ponesakki G, Madhan B, Shanmugam G. Lutein, a carotenoid found in numerous plants and the human eye, demonstrates the capacity to bundle collagen fibrils. Int J Biol Macromol 2024; 274:133389. [PMID: 38925203 DOI: 10.1016/j.ijbiomac.2024.133389] [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: 12/01/2023] [Revised: 05/29/2024] [Accepted: 06/21/2024] [Indexed: 06/28/2024]
Abstract
Collagen fibrils serve as the building blocks of the extracellular matrix, providing a resilient and structural framework for tissues. However, the bundling of collagen fibrils is of paramount importance in maintaining the structural integrity and functionality of various tissues in the human body. In this scenario, there is limited exploration of molecules that promote the bundling of collagen fibrils. Investigating the interactions of well-known carotenoids, commonly associated with ocular health, particularly in the retina, with collagen presents a novel and significant area of study. Here, we studied the influence of lutein, a well-known carotenoid present in many plant tissues and has several biological properties, on the structure, thermal stability, self-assembly, and fibrillation of collagen. Fibrillation kinetics and electron microscopic analyses indicated that lutein did not interfere with fibrillation process of collagen, whereas it enhances the lateral fusion of collagen fibrils leading to the formation of compact bundles of thick fibrils under physiological conditions. The hydrophobic and hydrogen bonding interactions between lutein and collagen fibrils are most likely the cause of the bundling of the fibrils. This study establishes the first investigation of collagen-carotenoid interactions, showcasing the unique property of lutein in bundling collagen fibrils, which may find potential application in tissue engineering.
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Affiliation(s)
- Venkatesan Vignesh
- Organic & Bioorganic Chemistry Laboratory, Council of Scientific and Industrial Research - Central Leather Research Institute (CSIR-CLRI), Sardar Patel Road, Adyar, Chennai 600020, India
| | - Yogendra Prasad Kavalappa
- Biochemistry and Biotechnology Laboratory, CSIR-CLRI, Sardar Patel Road, Adyar, Chennai 600 020, India
| | - Ganesan Ponesakki
- Biochemistry and Biotechnology Laboratory, CSIR-CLRI, Sardar Patel Road, Adyar, Chennai 600 020, India
| | - Balaraman Madhan
- Biochemistry and Biotechnology Laboratory, CSIR-CLRI, Sardar Patel Road, Adyar, Chennai 600 020, India
| | - Ganesh Shanmugam
- Organic & Bioorganic Chemistry Laboratory, Council of Scientific and Industrial Research - Central Leather Research Institute (CSIR-CLRI), Sardar Patel Road, Adyar, Chennai 600020, India.
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2
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Shang L, Yan Y, Li Z, Liu H, Ge S, Ma B. Hydro-Sensitive, In Situ Ultrafast Physical Self-Gelatinizing, and Red Blood Cells Strengthened Hemostatic Adhesive Powder with Antibiosis and Immunoregulation for Wound Repair. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306528. [PMID: 38032128 PMCID: PMC10811473 DOI: 10.1002/advs.202306528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Indexed: 12/01/2023]
Abstract
Immediate and effective hemostatic treatments for complex bleeding wounds are an urgent clinical demand. Hemostatic materials with characteristics of adhesion, sealing, anti-infection, and concrescence promotion have drawn growing concerns. However, pure natural multifunctional hemostatic materials with in situ ultrafast self-gelation are rarely reported. In this study, a hydro-sensitive collagen/tannic acid (ColTA) natural hemostatic powder is developed that can in situ self-gel to form adhesive by the non-covalent crosslinking between tannic acid (TA) and collagen (Col) in liquids. The physical interactions endow ColTA adhesive with the characteristics of instantaneous formation and high adhesion at various substrate surfaces. Crucially, ColTA powder adhesive shows an enhanced adhesion performance in the presence of blood due to the electrostatic interactions between ColTA adhesive and red blood cells, conducive to effective in situ sealing and rapid hemostasis. The biocompatible and hemocompatible ColTA adhesive can effectively control bleeding and seal the wounds of the caudal vein, liver, heart, and femoral arteries in rats. Furthermore, the low-cost and ready-to-use ColTA adhesive powder also possesses good antibacterial and inhibiting biofilm formation ability, and can efficiently regulate immune response by the NF-κB pathway to promote wound repair, making it a highly promising hemostatic material with great potential for biomedical applications.
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Affiliation(s)
- Lingling Shang
- Department of Periodontology & Tissue Engineering and RegenerationSchool and Hospital of StomatologyCheeloo College of MedicineShandong UniversityJinanShandong250012China
- Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue RegenerationJinanShandong250012China
- Shandong Provincial Clinical Research Center for Oral DiseasesJinanShandong250012China
| | - Yonggan Yan
- Department of Periodontology & Tissue Engineering and RegenerationSchool and Hospital of StomatologyCheeloo College of MedicineShandong UniversityJinanShandong250012China
- Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue RegenerationJinanShandong250012China
- Shandong Provincial Clinical Research Center for Oral DiseasesJinanShandong250012China
| | - Zhao Li
- Department of Periodontology & Tissue Engineering and RegenerationSchool and Hospital of StomatologyCheeloo College of MedicineShandong UniversityJinanShandong250012China
- Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue RegenerationJinanShandong250012China
- Shandong Provincial Clinical Research Center for Oral DiseasesJinanShandong250012China
| | - Hong Liu
- State Key Laboratory of Crystal MaterialsShandong UniversityJinanShandong250013China
| | - Shaohua Ge
- Department of Periodontology & Tissue Engineering and RegenerationSchool and Hospital of StomatologyCheeloo College of MedicineShandong UniversityJinanShandong250012China
| | - Baojin Ma
- Department of Periodontology & Tissue Engineering and RegenerationSchool and Hospital of StomatologyCheeloo College of MedicineShandong UniversityJinanShandong250012China
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Sergeeva IA, Klinov DV, Schäffer TE, Dubrovin EV. Characterization of the effect of chromium salts on tropocollagen molecules and molecular aggregates. Int J Biol Macromol 2023; 242:124835. [PMID: 37201883 DOI: 10.1016/j.ijbiomac.2023.124835] [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: 03/23/2023] [Revised: 05/06/2023] [Accepted: 05/08/2023] [Indexed: 05/20/2023]
Abstract
Though the capability of chromium treatment to improve the stability and mechanical properties of collagen fibrils is well-known, the influence of different chromium salts on collagen molecules (tropocollagen) is not well characterized. In this study, the effect of Cr3+ treatment on the conformation and hydrodynamic properties of collagen was studied using atomic force microscopy (AFM) and dynamic light scattering (DLS). Statistical analysis of contours of adsorbed tropocollagen molecules using the two-dimensional worm-like chain model revealed a reduction of the persistence length (i.e., the increase of flexibility) from ≈72 nm in water to ≈56-57 nm in chromium (III) salt solutions. DLS studies demonstrated an increase of the hydrodynamic radius from ≈140 nm in water to ≈190 nm in chromium (III) salt solutions, which is associated with protein aggregation. The kinetics of collagen aggregation was shown to be ionic strength dependent. Collagen molecules treated with three different chromium (III) salts demonstrated similar properties such as flexibility, aggregation kinetics, and susceptibility to enzymatic cleavage. The observed effects are explained by a model that considers the formation of chromium-associated intra- and intermolecular crosslinks. The obtained results provide novel insights into the effect of chromium salts on the conformation and properties of tropocollagen molecules.
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Affiliation(s)
- Irina A Sergeeva
- Lomonosov Moscow State University, Faculty of Physics, Leninskie Gory 1 bld 2, 119991 Moscow, Russia.
| | - Dmitry V Klinov
- Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, Malaya Pirogovskaya 1a, 119435 Moscow, Russia
| | - Tilman E Schäffer
- University of Tübingen, Institute of Applied Physics, Auf der Morgenstelle 10, 72076 Tübingen, Germany
| | - Evgeniy V Dubrovin
- Lomonosov Moscow State University, Faculty of Physics, Leninskie Gory 1 bld 2, 119991 Moscow, Russia.
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4
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Roy C, Chowdhury D, Sanfui MDH, Roy JSD, Mitra M, Dutta A, Chattopadhyay PK, Singha NR. Solid waste collagen-associated fabrication of magnetic hematite nanoparticle@collagen nanobiocomposite for emission-adsorption of dyes. Int J Biol Macromol 2023; 242:124774. [PMID: 37196727 DOI: 10.1016/j.ijbiomac.2023.124774] [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: 01/05/2023] [Revised: 04/20/2023] [Accepted: 05/03/2023] [Indexed: 05/19/2023]
Abstract
The strategic utilization of hazardous particulate waste in eliminating environmental pollution is an important research hotspot. Herein, abundantly available hazardous solid collagenic waste of leather industry is converted into stable hybrid nanobiocomposite (HNP@SWDC) comprising magnetic hematite nanoparticles (HNP) and solid waste derived collagen (SWDC) via co-precipitation method. The structural, spectroscopic, surface, thermal, and magnetic properties; fluorescence quenching; dye selectivity; and adsorption are explored via microstructural analyzes of HNP@SWDC and dye adsorbed-HNP@SWDC using 1H nuclear magnetic resonance, Raman, ultraviolet-visible, Fourier-transform infrared (FTIR), X-ray photoelectron, and fluorescence spectroscopies; thermogravimetry; field-emission scanning electron microscopy; and vibrating-sample magnetometry (VSM). The intimate interaction of SWDC with HNP and elevated magnetic properties of HNP@SWDC are apprehended via amide-imidol tautomerism associated nonconventional hydrogen bondings, disappearance of goethite specific -OH def. in HNP@SWDC, and VSM. The as-fabricated reusable HNP@SWDC is employed for removing methylene blue (MB) and rhodamine B (RhB). Chemisorption of RhB/MB in HNP@SWDC via ionic, electrostatic, and hydrogen bonding interactions alongside dimerization of dyes are realized by ultraviolet-visible, FTIR, and fluorescence studies; pseudosecond order fitting; and activation energies. The adsorption capacity = 46.98-56.14/22.89-27.57 mg g-1 for RhB/MB is noted using 0.01 g HNP@SWDC within 5-20 ppm dyes and 288-318 K.
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Affiliation(s)
- Chandan Roy
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India; Department of Leather Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Deepak Chowdhury
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - M D Hussain Sanfui
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Joy Sankar Deb Roy
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Madhushree Mitra
- Department of Leather Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Arnab Dutta
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Pijush Kanti Chattopadhyay
- Department of Leather Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Nayan Ranjan Singha
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India.
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Asokan V, Yelleti G, Bhat C, Bajaj M, Banerjee P. A novel peptide isolated from Catla skin collagen acts as a self-assembling scaffold promoting nucleation of calcium-deficient hydroxyapatite nanocrystals. J Biochem 2023; 173:197-224. [PMID: 36494197 DOI: 10.1093/jb/mvac103] [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: 05/28/2022] [Revised: 11/23/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022] Open
Abstract
Catla collagen hydrolysate (CH) was fractionated by chromatography and each fraction was subjected to HA nucleation, with the resultant HA-fraction composites being scored based on the structural and functional group of the HA formed. The process was repeated till a single peptide with augmented HA nucleation capacity was obtained. The peptide (4.6 kDa), exhibited high solubility, existed in polyproline-II conformation and displayed a dynamic yet stable hierarchical self-assembling property. The 3D modelling of the peptide revealed multiple calcium and phosphate binding sites and a high propensity to self-assemble. Structural analysis of the peptide-HA crystals revealed characteristic diffraction planes of HA with mineralization following the (002) plane, retention of the self-assembled hierarchy of the peptide and intense ionic interactions between carboxyl groups and calcium. The peptide-HA composite crystals were mostly of 25-40 nm dimensions and displayed 79% mineralization, 92% crystallinity, 39.25% porosity, 12GPa Young's modulus and enhanced stability in physiological pH. Cells grown on peptide-HA depicted faster proliferation rates and higher levels of osteogenic markers. It was concluded that the prerequisite for HA nucleation by a peptide included: a conserved sequence with a unique charge topology allowing calcium chelation and its ability to form a dynamic self-assembled hierarchy for crystal propagation.
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Affiliation(s)
- Vishwadeep Asokan
- Department of Biochemistry, School of Basic and Applied Sciences, Dayananda Sagar University, Bangalore, Karnataka 560078, India
| | - Geethika Yelleti
- Department of Biochemistry, School of Basic and Applied Sciences, Dayananda Sagar University, Bangalore, Karnataka 560078, India
| | - Chetna Bhat
- Department of Biochemistry, School of Basic and Applied Sciences, Dayananda Sagar University, Bangalore, Karnataka 560078, India
| | - Mayur Bajaj
- School of Biological Sciences, Indian Institute of Science Education and Research, Tirupati, Andhra Pradesh 517507, India
| | - Pradipta Banerjee
- Department of Biochemistry, School of Basic and Applied Sciences, Dayananda Sagar University, Bangalore, Karnataka 560078, India
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Xiao Y, Zhou J, Wang C, Zhang J, Radnaeva VD, Lin W. Sustainable metal-free leather manufacture via synergistic effects of triazine derivative and vegetable tannins. JOURNAL OF LEATHER SCIENCE AND ENGINEERING 2023. [DOI: 10.1186/s42825-022-00108-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
AbstractRestrictions on heavy metals, especially chromium, have encouraged alternative tanning systems that can reduce environmental and human health risks from conventional chrome-based tanning. In this work, metal-free combination tanning was developed by using vegetable tannins and a triazine-based syntan containing active chlorine groups (SACC). Specifically, the relationship between leather performance (e.g., hydrothermal stability and organoleptic properties) and technical protocols (e.g., types and dose of tannins) was systematically established. The optimized protocol involving a unique procedure (i.e., 10% SACC pre-tanning, shaving, and 25% wattle tanning) endowed the leather with high shrinkage temperature (~ 92 °C) and met the Chinese standards for shoe upper leather (QB/T 1873-2010). Our method not only produces zero chrome-containing solid wastes, but also uses ~ 75% less tannin for leather manufacture. The excellent leather performance was ascribed to the synergistic effects, where SACC and wattle diffused into collagen fibrils and may bind to collagen via covalent, hydrogen and ionic bonding, locking the hierarchical structure of collagen from microfibrils to fiber bundles. Moreover, we summarized these findings and proposed a diffusion-binding-locking mechanism, providing new insights for current tanning theory. Together with the biodegradable spent tanning liquor, this approach will underpin the development of sustainable leather manufacture.
Graphical Abstract
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7
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Yue C, Ding C, Su J, Cheng B. Effect of copper and zinc ions on type I collagen self-assembly. INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2022. [DOI: 10.1080/1023666x.2022.2093569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Chengfei Yue
- School of Materials Science and Engineering, Tiangong University, Tianjin, China
| | - Changkun Ding
- School of Materials Science and Engineering, Tiangong University, Tianjin, China
| | - Jieliang Su
- School of Materials Science and Engineering, Tiangong University, Tianjin, China
| | - Bowen Cheng
- School of Materials Science and Engineering, Tiangong University, Tianjin, China
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Zhang Z, Liu S, Pan Q, Hong Y, Shan Y, Peng Z, Xu X, Liu B, Chai Y, Yang Z. Van der Waals Exfoliation Processed Biopiezoelectric Submucosa Ultrathin Films. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2200864. [PMID: 35470922 DOI: 10.1002/adma.202200864] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 04/10/2022] [Indexed: 06/14/2023]
Abstract
Piezoelectric biomaterials have attracted significant attention due to the potential effect of piezoelectricity on biological tissues and their versatile applications. However, the high cost and complexity of assembling and domain aligning biomolecules at a large scale, and the disordered arrangement of piezoelectric domains as well as the lack of ferroelectricity in natural biological tissues remain a roadblock toward practical applications. Here, utilizing the weak van der Waals interaction in the layered structure of small intestinal submucosa (SIS), a van der Waals exfoliation (vdWE) process is reported to fabricate ultrathin films down to the thickness of the effective piezoelectric domain. Based on that, the piezoelectric property is revealed of SIS stemming from the collagen fibril, with piezoelectric coefficients up to 4.1 pm V-1 and in-plane polarization orientation parallel to the fibril axis. Furthermore, a biosensor based on the vdWE-processed SIS film with an in-plane electrode is demonstrated that produces open-circuit voltages of ≈250 mV under the cantilever vibration condition. The vdWE method shows great potential in facilely fabricating ultrathin films of soft tissues and biosensors.
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Affiliation(s)
- Zhuomin Zhang
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Shiyuan Liu
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Qiqi Pan
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Ying Hong
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Yao Shan
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Zehua Peng
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Xiaote Xu
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Bingren Liu
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Yu Chai
- Department of Physics, City University of Hong Kong, Hong Kong, 999077, China
| | - Zhengbao Yang
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, 999077, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
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Huang Y, Xiao H, Pu H, Xue N, Hao B, Huang X, Shi B. Self-driven directional dehydration enabled eco-friendly manufacture of chrome-free leather. JOURNAL OF LEATHER SCIENCE AND ENGINEERING 2022. [DOI: 10.1186/s42825-022-00089-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
AbstractManufacture of eco-friendly chrome-free leather is of great significance for realizing sustainable development of leather industry. Conventional tanning theory believes that it is impossible to convert raw hide to leather without the utilization of cross-linking agent (e.g., chrome salts) among collagen fibers in raw hide. Here, we developed a brand-new leather manufacture strategy that relied on the composite dehydration media enabled self-driven directional dehydration mechanism to accomplish chrome-free leather manufacture for the first time, rather than followed the classic cross-linking mechanism that has been obeyed for more than one century in leather industry. We demonstrated that the essence of leather making is to regulate the water content in raw hide rather than to form cross-linkage among collagen fibers. The composite dehydration media comprised of anhydrous ethanol and molecular sieves (3A activated zeolite powder) successfully guaranteed continuous self-driven directional dehydration of raw hide by establishing stable water concentration gradient between raw hide and ethanol, which significantly increased the dispersity of collagen fibers in raw hide (with the water content reduced from 56.07% to 5.20%), thus obtaining chrome-free leather that is more ecological than chrome-tanned leather due to the elimination of any tanning agent. The as-prepared chrome-free leather exhibited outstanding tear force (174.86 N), tensile strength (24.56 N mm−2), elongation at break (53.28%) and dry-thermal stability, superior to chrome-tanned leather. Notably, the used composite dehydration media was recyclable for chrome-free leather manufacture, therefore facilitating an environmentally benign leather manufacture process. Our investigations are expected to open up a new conceptual leather making strategy that is applicable for realizing substantial manufacture of eco-friendly leather.
Graphical abstract
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Shi J, Zhang R, Zhou J, Yim W, Jokerst JV, Zhang Y, Mansel BW, Yang N, Zhang Y, Ma J. Supramolecular Assembly of Multifunctional Collagen Nanocomposite Film via Polyphenol-Coordinated Clay Nanoplatelets. ACS APPLIED BIO MATERIALS 2022; 5:1319-1329. [PMID: 35262325 DOI: 10.1021/acsabm.2c00013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Functional bionanocomposites have evoked immense research interests in many fields including biomedicine, food packaging, and environmental applications. Supramolecular self-assembled bionanocomposite materials fabricated by biopolymers and two-dimensional (2D) nanomaterials have particularly emerged as a compelling material due to their biodegradable nature, hierarchical structures, and designable multifunctions. However, construction of these materials with tunable properties has been still challenging. Here, we report a self-assembled, flexible, and antioxidative collagen nanocomposite film (CNF) via regulating supramolecular interactions of type I collagen and tannic acid (TA)-functionalized 2D synthetic clay nanoplatelets Laponite (LAP). Specifically, TA-coordinated LAP (LAP-TA) complexes were obtained via chelation and hydrogen bonding between TA and LAP clay nanoplatelets and further used to stabilize the triple-helical confirmation and fibrillar structure of the collagen via hydrogen bonding and electrostatic interactions, forming a hierarchical microstructure. The obtained transparent CNF not only exhibited the reinforced thermal stability, enzymatic resistance, tensile strength, and hydrophobicity but also good water vapor permeability and antioxidation. For example, the tensile strength was improved by over 2000%, and the antioxidant property was improved by 71%. Together with the simple fabrication process, we envision that the resulting CNF provides greater opportunities for versatile bionanocomposites design and fabrication serving as a promising candidate for emerging applications, especially food packaging and smart wearable devices.
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Affiliation(s)
- Jiabo Shi
- College of Bioresources Chemical and Materials Engineering, Xi'an Key Laboratory of Green Chemicals and Functional Materials, and National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, No. 6 Xuefu Zhonglu, Weiyang District, Xi'an, 710021, China
| | - Ruizhen Zhang
- College of Bioresources Chemical and Materials Engineering, Xi'an Key Laboratory of Green Chemicals and Functional Materials, and National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, No. 6 Xuefu Zhonglu, Weiyang District, Xi'an, 710021, China
| | - Jiajing Zhou
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Wonjun Yim
- Materials Science and Engineering Program, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Jesse V Jokerst
- Department of NanoEngineering, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States.,Materials Science and Engineering Program, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States.,Department of Radiology, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Yi Zhang
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094, Palmerston North 4472, New Zealand
| | - Bradley W Mansel
- National Synchrotron Radiation Research Center, Hsinchu Science Park, Hsinchu 30076, Taiwan China
| | - Na Yang
- College of Bioresources Chemical and Materials Engineering, Xi'an Key Laboratory of Green Chemicals and Functional Materials, and National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, No. 6 Xuefu Zhonglu, Weiyang District, Xi'an, 710021, China
| | - Yuxuan Zhang
- College of Bioresources Chemical and Materials Engineering, Xi'an Key Laboratory of Green Chemicals and Functional Materials, and National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, No. 6 Xuefu Zhonglu, Weiyang District, Xi'an, 710021, China
| | - Jianzhong Ma
- College of Bioresources Chemical and Materials Engineering, Xi'an Key Laboratory of Green Chemicals and Functional Materials, and National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, No. 6 Xuefu Zhonglu, Weiyang District, Xi'an, 710021, China
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11
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A comparative assessment of collagen type 1 from silver carp (fresh water) and milk shark(marine) fish waste. 3 Biotech 2022; 12:82. [PMID: 35251884 PMCID: PMC8882755 DOI: 10.1007/s13205-022-03114-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 01/11/2022] [Indexed: 11/01/2022] Open
Abstract
In this study, a comparative structural and bioactive analysis of collagen extracted from the skin of bony and cartilaginous fishes. The acid-soluble method was followed to extract the collagen from Hypophthalmichthys molitrix (silver carp) and Rhizoprionodon acutus (milk shark) followed by purification using Ion exchange chromatography. A higher yield of collagen was obtained from the skin of SCsk (69.45%) as compared to SHsk (55.29%). SDS PAGE displayed the characteristic α, β bands of the collagen type1. The native conformation and secondary structure stability of collagen were confirmed by FTIR, XRD and CD studies. The SEM micrographs exhibited the layered and fibrillar nature of the collagen from SHsk and SCsk, respectively. Relative solubility and thermal denaturation analysis showed SCsk to be more stable, but SHsk could withstand higher temperatures. 53.65% of antioxidant activity was observed in SCsk collagen as compared to SHsk (45.9%). Haemocompatibility, cell viability and adhesion results also displayed silvercarp skin to be a better source than Shark skin collagen. The results establish the potential of silver carp collagen as a biomaterial that can have many commercial applications in tissue engineering, cosmetics and food industries.
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Li J, Xiao P, Xu Y, Dong L, Wang Z, Liu F, Shen J, Van der Bruggen B. Collagen Fibril-Assembled Skin-Simulated Membrane for Continuous Molecular Separation. ACS APPLIED MATERIALS & INTERFACES 2022; 14:7358-7368. [PMID: 35025208 DOI: 10.1021/acsami.1c23811] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A skin-simulated thin-film-composite membrane was fabricated using a vacuum-assisted interfacial polymerization method. A negatively charged surface-selective layer on a polyacrylonitrile (PAN) substrate was cross-linked using trimesoyl chloride to form polyamide and polyester with a three-layer structure that was similar to skin. The loading of collagen fibrils assembled on the membrane surface was varied, and a selective layer was obtained, of which the thickness, morphology, and hydrophilicity can be manipulated. The optimal membrane decorated with 0.5 mg of collagen fibril had a selective layer thickness of around 130 nm with pure water permeability up to 84.7 LMH bar-1. Furthermore, the membrane exhibited impressive rejections toward dyes (Congo red with a molecular weight of 696.68 Da: 99.6%, reactive blue 19 with a molecular weight of 626.54 Da: 99.8%, and Coomassie blueG-250 with a molecular weight of 854.02 Da: 98.6%) while high permeations of Na2SO4 and NaCl were achieved. This facile strategy provides a useful guideline for constructing bionic membranes through biomaterials.
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Affiliation(s)
- Jian Li
- Laboratory of Environmental Biotechnology, Jiangsu Engineering Laboratory for Biomass Energy and Carbon Reduction Technology, Jiangsu Key Laboratory of Anaerobic Biotechnology, School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Pei Xiao
- Laboratory of Environmental Biotechnology, Jiangsu Engineering Laboratory for Biomass Energy and Carbon Reduction Technology, Jiangsu Key Laboratory of Anaerobic Biotechnology, School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Yilin Xu
- Singapore Membrane Technology Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, Singapore 637141, Singapore
| | - Liangliang Dong
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Zhenyu Wang
- Laboratory of Environmental Biotechnology, Jiangsu Engineering Laboratory for Biomass Energy and Carbon Reduction Technology, Jiangsu Key Laboratory of Anaerobic Biotechnology, School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Fei Liu
- State Key Laboratory of Food Science and Technology, Science Center for Future Foods, School of Food Science and Technology, International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Jiangnan Shen
- Chemical Engineering College, Zhejiang University of Technology, Hangzhou 310014, China
| | - Bart Van der Bruggen
- Department of Chemical Engineering, KU Leuven, Celestijnenlaan 200F, B-3001, Leuven 3001, Belgium
- Faculty of Engineering and the Built Environment, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa
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13
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An Occam’s razor: Synthesis of osteoinductive nanocrystalline implant coatings on hierarchical superstructures formed by Mugil cephalus skin hydrolysate. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.11.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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14
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Ma J, Yang N, Li Y, Gao D, Lyu B, Zhang J. A cleaner approach to tanning process of cattle hide upper suede leather: chrome-less polycarboxylate/montmorillonite nanocomposites as tanning agent. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:39014-39025. [PMID: 33743156 DOI: 10.1007/s11356-021-13324-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Accepted: 03/03/2021] [Indexed: 06/12/2023]
Abstract
In this study, a cleaner approach to a 'sandwich' chrome-less tanning for cattle hide upper suede leather based on polycarboxylate/montmorillonite nanocomposite (PCM) has been developed. The chromium was reduced both in tanning process and retanning process. Hydrothermal stability, mechanical strength, and organoleptic properties of the leather were closed to traditional chrome tanning. The important advantage of the cleaner tanning approach is that the chromium load in wastewater decreased from 2302 mg/L in tanning process and 2919 mg/L in retanning process to 131 and 257 mg/L, respectively. Moreover, SEM analyses demonstrated that the leather tanned by PCM achieved loose fiber structure and flaky montmorillonite deposition both in intra-triple and inter-triple helix. XRD results suggested that basic chromium sulfate and PCM may form more complexation with the helix chain of collagen fiber, resulting in structural distortion of collagen molecules without destroying the triple helical structure. EDS liner scanning indicated the distribution of chromium on the cross section of the leather. Trypsin degradation curves revealed the cleaner approach might increase the degradation of leather, and the economic analysis results showed that the tanning costs could be reduced and increased the economic benefits.
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Affiliation(s)
- Jianzhong Ma
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China.
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an, 710021, China.
| | - Na Yang
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an, 710021, China
| | - Yun Li
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an, 710021, China
| | - Dangge Gao
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China.
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an, 710021, China.
| | - Bin Lyu
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi'an, 710021, China
- Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an, 710021, China
| | - Jing Zhang
- College of Chemistry and Chemical Engineering, Yantai University, Yantai, 264005, China
- College of Arts and Sciences, Shaanxi University of Science and Technology, Xi'an, 710021, China
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15
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Wan Y, Gao Y, Shao J, Tumarbekova A, Zhang D, Zhu J. Effects of ultrasound and thermal treatment on the ultrastructure of collagen fibers from bovine tendon using atomic force microscopy. Food Chem 2021; 347:128985. [PMID: 33476920 DOI: 10.1016/j.foodchem.2020.128985] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 12/08/2020] [Accepted: 12/13/2020] [Indexed: 01/22/2023]
Abstract
As the most important tenderness related protein in mammal, there are few studies on how the nanoscale morphology of collagen I in tissues is related to traditional meat processing. The ultrastructure and mechanical characteristics of collagen fibers in tendon with different treatments have been explored in this study. Collagen fibers in homogenate group and acetic acid group were treated with ultrasound and thermal treatment. The nanoscale morphology of collagen fiber in homogenate group became granular at 60 °C and gelatin was formed at 70 °C. The collagen fibers extracted from acetic acid are unstable and easier to break under the same processing parameters, when compared with homogenated collagen fibers in both ultrasound and thermal treatment. The results suggested that acetic acid can disassemble the salt bond and Schiff-base in collagen, and the collagen fibers became loose but the triple helix structure remained integrity.
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Affiliation(s)
- Yunfei Wan
- Laboratory of Agricultural & Food Biomechanics, Institute of Biophysics, College of Science, Northwest A&F University, Yangling, Shanxi 712100, China; Laboratory of Muscle & Meat Biomechanics, National Beef Cattle Improvement Center, Northwest A&F University, Yangling, Shanxi 712100, China
| | - Yongfang Gao
- Laboratory of Agricultural & Food Biomechanics, Institute of Biophysics, College of Science, Northwest A&F University, Yangling, Shanxi 712100, China; Laboratory of Muscle & Meat Biomechanics, National Beef Cattle Improvement Center, Northwest A&F University, Yangling, Shanxi 712100, China
| | - Jianhang Shao
- Laboratory of Agricultural & Food Biomechanics, Institute of Biophysics, College of Science, Northwest A&F University, Yangling, Shanxi 712100, China; Laboratory of Muscle & Meat Biomechanics, National Beef Cattle Improvement Center, Northwest A&F University, Yangling, Shanxi 712100, China
| | - Aidana Tumarbekova
- Laboratory of Agricultural & Food Biomechanics, Institute of Biophysics, College of Science, Northwest A&F University, Yangling, Shanxi 712100, China
| | - Dequan Zhang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193, China.
| | - Jie Zhu
- Laboratory of Agricultural & Food Biomechanics, Institute of Biophysics, College of Science, Northwest A&F University, Yangling, Shanxi 712100, China; Laboratory of Muscle & Meat Biomechanics, National Beef Cattle Improvement Center, Northwest A&F University, Yangling, Shanxi 712100, China.
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16
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Shi J, Zhang R, Yang N, Zhang Y, Mansel BW, Prabakar S, Ma J. Hierarchical Incorporation of Surface-Functionalized Laponite Clay Nanoplatelets with Type I Collagen Matrix. Biomacromolecules 2020; 22:504-513. [PMID: 33274639 DOI: 10.1021/acs.biomac.0c01391] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Unraveling the interaction mechanisms of type I collagen with various inorganic nanoparticles is of pivotal importance to construct collagen-based bionanocomposites with hierarchical structures for biomedical, pharmaceutical, and other industrial applications. In this study, synthetic two-dimensional Laponite nanoplatelets (LAP NPs) are surface-functionalized with tetrakis(hydroxymethyl) phosphonium sulfate (THPS) for reinforcing their incorporation with type I collagen matrix by focusing on the influences of the interactions on the hierarchical structures of the collagen. Our results indicate that the LAP NPs can be successfully surface-functionalized with THPS via covalent bonds between the amine-functionalized NPs and the hydroxymethyl groups of THPS. Moreover, the resulting NPs can be well dispersed into the collagen matrix and evenly bound onto the collagen fiber strands and between the collagen fibrils, preserving the native D-periodic banding patterns of the collagen fibrils. The formation of covalent and hydrogen bonds between the collagen and the functionalized NPs can stabilize the intrinsic triple-helical conformation of the collagen, conferring the resulting collagen-based nanocomposites with improved thermal stability and enhanced mechanical properties. We anticipate that a fundamental understanding of the interactions between the collagen and functionalized inorganic nanoparticles would contribute to the design, fabrication, and further application of hierarchical collagen-based bionanocomposites with multifunctions.
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Affiliation(s)
- Jiabo Shi
- College of Bioresources Chemical and Materials Engineering and National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, No.6 Xuefu Zhonglu, Weiyang District, Xi'an 710021, China
| | - Ruizhen Zhang
- College of Bioresources Chemical and Materials Engineering and National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, No.6 Xuefu Zhonglu, Weiyang District, Xi'an 710021, China
| | - Na Yang
- College of Bioresources Chemical and Materials Engineering and National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, No.6 Xuefu Zhonglu, Weiyang District, Xi'an 710021, China
| | - Yi Zhang
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094, Palmerston North 4472, New Zealand
| | - Bradley W Mansel
- Chemical Engineering Building, National Tsing Hua University, No. 101, Section 2, Guangfu Road, East District, Hsinchu City, 300 Taiwan, China
| | - Sujay Prabakar
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094, Palmerston North 4472, New Zealand
| | - Jianzhong Ma
- College of Bioresources Chemical and Materials Engineering and National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, No.6 Xuefu Zhonglu, Weiyang District, Xi'an 710021, China
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17
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Zhang J, Yan Z, Liu X, Zhang Y, Zou H, Le Y, Chen JF. Conductive Skeleton-Heterostructure Composites Based on Chrome Shavings for Enhanced Electromagnetic Interference Shielding. ACS APPLIED MATERIALS & INTERFACES 2020; 12:53076-53087. [PMID: 33169974 DOI: 10.1021/acsami.0c14300] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Renewable bio-based electromagnetic interference (EMI) shielding materials receive increasing attention undoubtedly. However, there is still a challenge to use raw biomass materials to construct a significant structure through an effortless and environmental route for EMI shielding applications. Herein, for the first time, we demonstrated a hybrid composite of multi-walled carbon nanotube/polypyrrole/chrome-tanned collagen fiber (MWCNT/PPy/CF), which utilized waste chrome shavings as a matrix. X-ray photoelectron spectroscopy reveals that the chromium on the CF has a binding effect on the PPy layer, which endows the tight integration between the CF and PPy layer. After the MWCNT network was loaded on the PPy layer, this ternary structure could provide stable conductive paths and a rich number of polarized interfaces. The MWCNT/PPy/CF composite exhibits superior electrical conductivity (354 ± 52 S/m), higher than PPy/CF (222 ± 38 S/m) and MWCNT/CF (104 ± 11 S/m), owing to the synergy of dual conductive structures. Notably, the shielding effectiveness (SE) value of the MWCNT/PPy/CF composite reaches 30 dB in the X band at a thickness of 0.48 mm. The shielding effectiveness of reflection (SER) (9.1 dB) is similar to that of PPy/CF (8.2 dB), while the shielding effectiveness of absorption (SEA) is significantly improved from 15.3 dB (PPy/CF) to 20.4 dB (MWCNT/PPy/CF) due to the additional coverage of the MWCNT network. This indicates the synergy between the MWCNT network and conductive PPy/CF skeleton. This work provided a method to prepare sustainable and low-cost renewable EMI shielding materials using chrome shavings. Meanwhile, this novel structure combining a conductive skeleton and heterostructure can be considered as a potential application in relevant fields.
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Affiliation(s)
- Jian Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, PR China
- Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Zixuan Yan
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Xingzheng Liu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Yu Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Haikui Zou
- Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Yuan Le
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, PR China
- Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Jian-Feng Chen
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, PR China
- Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China
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18
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Zhang Y, Mehta M, Mansel BW, Ng HW, Liu Y, Holmes G, Le Ru EC, Prabakar S. Anion-regulated binding selectivity of Cr(III) in collagen. Biopolymers 2020; 111:e23406. [PMID: 33135776 DOI: 10.1002/bip.23406] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/07/2020] [Accepted: 10/12/2020] [Indexed: 11/10/2022]
Abstract
We present a mechanism for the selectivity of covalent/electrostatic binding of the Cr(III) ion to collagen, mediated by the kosmotropicity of the anions. Although a change in the long-range ordered structure of collagen is observed after covalent binding (Cr(III)-OOC) in the presence of SO4 2- at pH 4.5, the νsym (COO- ) band remains intense, suggesting a relatively lower propensity for the Cr(III) to bind covalently instead of electrostatically through Cr(H2 O)6 3+ . Replacing SO4 2- with Cl- reduces the kosmotropic effect which further favors the electrostatic binding of Cr(III) to collagen. Our findings allow a greater understanding of mechanism-specific metal binding in the collagen molecule. We also report for the first time, surface-enhanced Raman spectroscopy to analyze binding mechanisms in collagen, suggesting a novel way to study chemical modifications in collagen-based biomaterials.
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Affiliation(s)
- Yi Zhang
- Leather and Shoe Research Association of New Zealand, Palmerston North, New Zealand.,The MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - Megha Mehta
- Leather and Shoe Research Association of New Zealand, Palmerston North, New Zealand
| | - Bradley W Mansel
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu City, Taiwan
| | - Hon Wei Ng
- Leather and Shoe Research Association of New Zealand, Palmerston North, New Zealand
| | - Yang Liu
- Leather and Shoe Research Association of New Zealand, Palmerston North, New Zealand
| | - Geoff Holmes
- Leather and Shoe Research Association of New Zealand, Palmerston North, New Zealand
| | - Eric C Le Ru
- The MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - Sujay Prabakar
- Leather and Shoe Research Association of New Zealand, Palmerston North, New Zealand
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19
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Atapour M, Wang X, Färnlund K, Odnevall Wallinder I, Hedberg Y. Corrosion and metal release investigations of selective laser melted 316L stainless steel in a synthetic physiological fluid containing proteins and in diluted hydrochloric acid. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136748] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Zhang J, Chen W. A faster and more effective chrome tanning process assisted by microwave. RSC Adv 2020; 10:23503-23509. [PMID: 35520338 PMCID: PMC9054921 DOI: 10.1039/d0ra04189k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Accepted: 05/25/2020] [Indexed: 11/21/2022] Open
Abstract
In leather manufacturing, microwave usually has the ability to strengthen the combination between collagen and chemicals and make the corresponding procedures faster and more effective. Although some studies clarified that tanning under microwave resulted in leather with better thermal stability, the process and leather properties of the pelt chrome tanning had not been elaborated in detail. Thus, in this study, pickled goat pelt was tanned for 5 h as a penetration procedure and then basified for another 5 h as a fixation procedure under microwave heating (MW) and water bath heating (WB); then, the changes in the pH of the chromium complexes as well as the leather chrome content were measured; finally, thermal behaviors and collagen structure of leather tanned under different methods were measured. The results indicated that microwave promoted chrome tanning agent penetration and exhaustion, consequently, chrome tanning process was faster and more effective. The leather tanned with microwave assistance had better hydrothermal and thermal stability as well as thermal decomposition resistance, indicating microwave leading to excellent tanning effect. Nevertheless, when microwave was applied in the chrome tanning process, the hierarchical structure of the leather and the collagen conformation including triple helix was not affected, and the combination pattern between ligands and chromium was also the same as that of the conventional. In brief, microwave could fasten the chrome tanning process and result in extraordinary tanning effect without damaging the leather structure; therefore, microwave might be a new method for promoting tanning efficiency and effect in future.
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Affiliation(s)
- Jinwei Zhang
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University Chengdu 610065 China .,College of Biomass Science and Engineering, Sichuan University Chengdu 610065 China
| | - Wuyong Chen
- Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University Chengdu 610065 China .,College of Biomass Science and Engineering, Sichuan University Chengdu 610065 China
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21
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Kaygusuz M, İde S, Karaarslan D. Nanoscopic investigation on TiO 2-SiO 2-GLYMO nanocomposite coated and plasma treated leathers. POLYM-PLAST TECH MAT 2020. [DOI: 10.1080/25740881.2019.1708105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Meruyert Kaygusuz
- Denizli Vocational School of Technical Sciences, Pamukkale University, Denizli, Turkey
| | - Semra İde
- Hacettepe University, Faculty of Engineering, of Physics Engineering, Ankara, Turkey
| | - Damla Karaarslan
- Hacettepe University, Faculty of Engineering, of Physics Engineering, Ankara, Turkey
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22
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Liu Y, Zhang J, Chen W, Astruc D, Gu H. Microwave‐irradiated tanning reaction of aluminum with collagen. J Appl Polym Sci 2020. [DOI: 10.1002/app.48682] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yue Liu
- Key Laboratory of Leather Chemistry and Engineering of Ministry of EducationSichuan University Chengdu China
- National Engineering Laboratory for Clean Technology of Leather ManufactureSichuan University Chengdu China
| | - Jinwei Zhang
- Key Laboratory of Leather Chemistry and Engineering of Ministry of EducationSichuan University Chengdu China
- National Engineering Laboratory for Clean Technology of Leather ManufactureSichuan University Chengdu China
| | - Wuyong Chen
- Key Laboratory of Leather Chemistry and Engineering of Ministry of EducationSichuan University Chengdu China
- National Engineering Laboratory for Clean Technology of Leather ManufactureSichuan University Chengdu China
| | - Didier Astruc
- ISM, UMR CNRS No 5255, University Bordeaux Talence Cedex France
| | - Haibin Gu
- Key Laboratory of Leather Chemistry and Engineering of Ministry of EducationSichuan University Chengdu China
- National Engineering Laboratory for Clean Technology of Leather ManufactureSichuan University Chengdu China
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23
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Stainless steel in simulated milk and whey protein solutions – Influence of grade on corrosion and metal release. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135428] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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24
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Buchanan JK, Zhang Y, Holmes G, Covington AD, Prabakar S. Role of X‐ray Scattering Techniques in Understanding the Collagen Structure of Leather. ChemistrySelect 2019. [DOI: 10.1002/slct.201902908] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jenna K. Buchanan
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094 Palmerston North 4472 New Zealand
| | - Yi Zhang
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094 Palmerston North 4472 New Zealand
| | - Geoff Holmes
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094 Palmerston North 4472 New Zealand
| | - Anthony D. Covington
- Institute for Creative Leather TechnologiesThe University of NorthamptonUniversity Drive Northampton NN1 5PH United Kingdom
| | - Sujay Prabakar
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094 Palmerston North 4472 New Zealand
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25
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Atapour M, Wei Z, Chaudhary H, Lendel C, Odnevall Wallinder I, Hedberg Y. Metal release from stainless steel 316L in whey protein - And simulated milk solutions under static and stirring conditions. Food Control 2019. [DOI: 10.1016/j.foodcont.2019.02.031] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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26
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Mitra M, Mahapatra M, Dutta A, Roy JSD, Karmakar M, Deb M, Mondal H, Chattopadhyay PK, Bandyopadhyay A, Singha NR. Carbohydrate and collagen-based doubly-grafted interpenetrating terpolymer hydrogel via N-H activated in situ allocation of monomer for superadsorption of Pb(II), Hg(II), dyes, vitamin-C, and p-nitrophenol. JOURNAL OF HAZARDOUS MATERIALS 2019; 369:746-762. [PMID: 30836295 DOI: 10.1016/j.jhazmat.2018.12.019] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 12/04/2018] [Accepted: 12/05/2018] [Indexed: 05/20/2023]
Abstract
Herein, guar gum (GG)-g-(acrylic acid (AA)-co-3-acrylamido propanoic acid (AMPA)-co-acrylamide (AM))-g-cow buffing dust (CBD)/(GGTPCBD), a smart carbohydrate and protein-based doubly-grafted interpenetrating terpolymer hydrogel showing excellent physicochemical properties and recyclability was synthesized by in situ strategic allocation of AMPA during solution polymerization of AA and AM through systematic optimization of the amounts of components and reaction temperature for superadsorption of Hg(II), Pb(II), methyl violet (MV), methylene blue (MB), p-nitrophenol (PNP), and vitamin-C (vit.C). The in situ strategic protrusion of AMPA, grafting of both GG and CBD into AA-co-AMPA-co-AM, and ligand-selective superadsorption was inferred by advanced microstructural analyses of unadsorbed- and/or adsorbed-GGTPCBD using FTIR, 1H/13C NMR, O1s-/N1s-/C1s-/Pb4f7/2,5/2-/Hg4f7/2,5/2-XPS, UV-vis, TGA, DSC, XRD, DLS, SEM, EDX, % gel content, % -COOH, and pHPZC. The prevalence of covalent, ionic, and variegated interactions was rationalized by FTIR, fitting of kinetics data to the pseudosecond order model, and activation energies of adsorption. The BET and Langmuir isotherms fitted the best to MB and Hg(II)/Pb(II)/MV, respectively. Thermodynamically spontaneous chemisorption processes showed the maximum adsorption capacities (ACs) of 976.64, 859.23, 116.80, and 58.52 mg g-1 for Pb(II), Hg(II), MV, and MB, respectively, at 303 K, adsorbent dose = 0.01 g, and initial concentration of metal ions/dyes = 800/30 ppm.
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Affiliation(s)
- Madhushree Mitra
- Department of Leather Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India
| | - Manas Mahapatra
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India
| | - Arnab Dutta
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India
| | - Joy Sankar Deb Roy
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India; Department of Polymer Science and Technology, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, West Bengal, India
| | - Mrinmoy Karmakar
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India
| | - Mousumi Deb
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India
| | - Himarati Mondal
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India
| | - Pijush Kanti Chattopadhyay
- Department of Leather Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India.
| | - Abhijit Bandyopadhyay
- Department of Polymer Science and Technology, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, West Bengal, India
| | - Nayan Ranjan Singha
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India.
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27
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Singha NR, Roy C, Mahapatra M, Dutta A, Deb Roy JS, Mitra M, Chattopadhyay PK. Scalable Synthesis of Collagenic-Waste and Natural Rubber-Based Biocomposite for Removal of Hg(II) and Dyes: Approach for Cost-Friendly Waste Management. ACS OMEGA 2019; 4:421-436. [PMID: 31459340 PMCID: PMC6648228 DOI: 10.1021/acsomega.8b02799] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Accepted: 12/10/2018] [Indexed: 05/21/2023]
Abstract
For initiating a prosperous cost-friendly waste management of small-scale industries, cow buffing dust (CBD), one of the abundantly available semisynthetic collagenic solid wastes, has been used as a nonsulfur cross-linker of natural rubber (NR) for fabricating an NRCBD-biocomposite superadsorbent. The as-prepared reusable biocomposite bearing variegated collagenic and noncollagenic N-donors, along with the O-donors, has been reported for ligand-selective preferential superadsorption from waste water. Thus, a CBD and NR-based scalable biocomposite bearing optimum cross-linking, excellent physicochemical properties, and reusability has been developed via systematic optimization of the torque and reaction time for cost-friendly adsorptive exclusion of dyes, such as 2,8-dimethyl-3,7-diamino-phenazine (i.e., safranine, SF) and (7-amino-8-phenoxazin-3-ylidene)-diethylazanium dichlorozinc dichloride (i.e., brilliant cresyl blue), BCB, and Hg(II). The CBD-aided curing of NR has been achieved through the formation of a cross-linked chromane-ring originated via reaction between the methylol-phenol ring of phenol-formaldehyde resin and isoprene unit of NR. The partial disappearance of unsaturation in cured-NRCBD, relative variation of crystallinity, surface properties, elevated thermal stabilities, and ligand-selective superadsorption have been studied by advanced microstructural analyses of unadsorbed and/or adsorbed NRCBD using Fourier transform infrared (FTIR), 13C nuclear magnetic resonance, ultraviolet-visible, and O 1s-/N 1s-/C 1s-/Hg 4f7/2,5/2-X-ray photoelectron spectroscopies, thermogravimetric analysis, differential scanning calorimetry, X-ray diffraction, field emission scanning electron microscopy, energy-dispersive spectroscopy, and pHPZC. Response surface methodology-based optimization has been employed to attain the optimum potential of NRCBD, considering the interactive effects between pHi, temperature, and concentration of the dye. H-aggregate and time-dependent hypochromic effect has been observed during individual adsorption of dyes. Moreover, the prevalence of chemisorption via ionic interaction between NRCBD and SF, BCB, and Hg(II) has been realized by FTIR, fitting of kinetics data to the pseudosecond-order model, and measurement of activation energies. The Brunauer-Emmett-Teller and Langmuir isotherms fit the best to BCB and SF/Hg(II), respectively. Thermodynamically spontaneous chemisorption have shown the maximum adsorption capacities of 303.61, 46.14, and 166.46 mg g-1 for SF, BCB, and Hg(II), respectively, at low initial concentration of Hg(II)/dyes = 40 ppm, 303 K, and adsorbent dose = 0.01 g.
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Affiliation(s)
- Nayan Ranjan Singha
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post Graduate), Maulana Abul
Kalam Azad University of Technology,
Salt Lake, Kolkata 700106, West Bengal, India
- E-mail: (N.R.S.)
| | - Chandan Roy
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post Graduate), Maulana Abul
Kalam Azad University of Technology,
Salt Lake, Kolkata 700106, West Bengal, India
| | - Manas Mahapatra
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post Graduate), Maulana Abul
Kalam Azad University of Technology,
Salt Lake, Kolkata 700106, West Bengal, India
| | - Arnab Dutta
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post Graduate), Maulana Abul
Kalam Azad University of Technology,
Salt Lake, Kolkata 700106, West Bengal, India
| | - Joy Sankar Deb Roy
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post Graduate), Maulana Abul
Kalam Azad University of Technology,
Salt Lake, Kolkata 700106, West Bengal, India
| | - Madhushree Mitra
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post Graduate), Maulana Abul
Kalam Azad University of Technology,
Salt Lake, Kolkata 700106, West Bengal, India
| | - Pijush Kanti Chattopadhyay
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post Graduate), Maulana Abul
Kalam Azad University of Technology,
Salt Lake, Kolkata 700106, West Bengal, India
- E-mail: (P.K.C.)
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28
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Xia Q, Yang L, Hu K, Li K, Xiang J, Liu G, Wang Y. Chromium Cross-Linking Based Immobilization of Silver Nanoparticle Coating on Leather Surface with Broad-Spectrum Antimicrobial Activity and Durability. ACS APPLIED MATERIALS & INTERFACES 2019; 11:2352-2363. [PMID: 30565910 DOI: 10.1021/acsami.8b17061] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Leather with durable and broad-spectrum antimicrobial properties is very attractive in applications to produce diabetic shoes. In this work, gallic acid stabilized silver nanoparticles (GA@AgNPs) were prepared as water-borne finishing agent to be spray-coated on leather surface, with subsequent immobilization onto skin collagen via chromium(III) cross-linking. Such chemical anchoring of AgNPs onto microscaled collagen fibers not only enhanced the hydrophobicity of leather surface but also converted the surface ζ-potential from a positive charge to a negative charge, resulting in the excellent microbial antiadhesive ability of GA@AgNP-coated leather because of its dual-hydrophobic and electrostatic repelling of microbial adhesion. Such GA@AgNP coating also exhibited broad-spectrum antimicrobial activity against Escherichia coli, Staphylococcus aureus, methicillin-resistant S. aureus, and Candida albicans, with killing efficiencies all higher than 99%. Moreover, the killed microbes could be easily released from this anionic GA@AgNP spray coating by simply washing, preserving, and giving long-term antimicrobial activity to leather products. Most of all, the robust immobilization of AgNPs guaranteed the durably antimicrobial activity of such GA@AgNP-coated leather against laundry, perspiration, and mechanical abrasion in real daily use.
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Affiliation(s)
- Qiongfen Xia
- National Engineering Laboratory for Clean Technology of Leather Manufacture , Sichuan University , Chengdu 610065 , China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education , Sichuan University , Chengdu 610065 , China
| | - Li Yang
- National Engineering Research Center for Biomaterials , Sichuan University , Chengdu 610064 , China
| | - Kun Hu
- Guangdong Huizhou Quality & Measuring Supervision Testing Institute , Huizhou 516003 , China
| | - Kaijun Li
- National Engineering Laboratory for Clean Technology of Leather Manufacture , Sichuan University , Chengdu 610065 , China
| | - Jun Xiang
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education , Sichuan University , Chengdu 610065 , China
- Chengdu Boyan Technology Co. Ltd , Chengdu 610041 , China
| | - Gongyan Liu
- National Engineering Laboratory for Clean Technology of Leather Manufacture , Sichuan University , Chengdu 610065 , China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education , Sichuan University , Chengdu 610065 , China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials , Sichuan University , Chengdu 610064 , China
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Assessment of the Influence of Acetic Acid Residue on Type I Collagen during Isolation and Characterization. MATERIALS 2018; 11:ma11122518. [PMID: 30545004 PMCID: PMC6316942 DOI: 10.3390/ma11122518] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 12/03/2018] [Accepted: 12/10/2018] [Indexed: 01/13/2023]
Abstract
Various methods for isolation of type I collagen using acids, bases, enzymes, and their combinations have been applied. However, a lack of standardization exists among type I collagens isolated by various approaches. Consequently, in this study, we assessed the influence of acetic acid residue on type I collagen isolated by pepsin-acetic acid treatment, the fabrication of collagen-based porous scaffolds, and the seeded cells on collagen scaffolds. Unlike the isolated collagen dialyzed by deionized water (DDW), collagen dialyzed by 0.5 M acetic acid (DAC) exhibited structural and thermal denaturation. Both DDW- and DAC-based porous scaffolds at all collagen concentrations (0.5, 1 and 2% w/v) showed the high degree of porosity (>98%), and their pore morphologies were comparable at the same concentrations. However, the DDW- and DAC-based collagen scaffolds displayed significant differences in their physical properties (weight, thickness, and volume) and swelling behaviors. In particular, the weight losses induced by mechanical stimulation reflected the high degradation of DAC-collagen scaffolds. In cell culture experiments using adipose-derived stem cells (ADSCs), the characteristics of mesenchymal stem cell (MSC) did not change in both DDW- and DAC-collagen scaffolds for 10 days, although cells proliferated less in the DAC-collagen scaffolds. Our results suggest that the elimination of acetic acid residue from isolated collagen is recommended to produce collagen scaffolds that provide a stable environment for cells and cell therapy-related applications.
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Hedberg YS, Žnidaršič M, Herting G, Milošev I, Odnevall Wallinder I. Mechanistic insight on the combined effect of albumin and hydrogen peroxide on surface oxide composition and extent of metal release from Ti6Al4V. J Biomed Mater Res B Appl Biomater 2018; 107:858-867. [PMID: 30102828 PMCID: PMC6586049 DOI: 10.1002/jbm.b.34182] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 05/03/2018] [Accepted: 05/28/2018] [Indexed: 11/06/2022]
Abstract
The titanium-aluminium (6 wt%)-vanadium (4 wt%) (Ti6Al4V) alloy is widely used as an orthopedic and dental implant material due to its high corrosion resistance in such environments. The corrosion resistance is usually determined by means of electrochemical methods, which may not be able to detect other chemical surface reactions. Literature findings report a synergistic effect of the combination of the abundant protein albumin and hydrogen peroxide (H2 O2 ) on the extent of metal release and corrosion of Ti6Al4V. The objectives of this study were to gain further mechanistic insight on the interplay of H2 O2 and albumin on the metal release process of Ti6Al4V with special focus on (1) kinetics and (2) H2 O2 and albumin concentrations. This was accomplished mainly by metal release and surface oxide composition investigations, which confirmed the combined effect of H2 O2 and albumin on the metal release process, although not detectable by electrochemical open circuit potential measurements. A concentration of 30 mM H2 O2 induced substantial changes in the surface oxide characteristics, an oxide which became thicker and enriched in aluminum. Bovine serum albumin (BSA) seemed to be able to deplete this aluminum content from the outermost surface or at least to delay its surface enrichment. This effect increased with increased BSA concentration, and for time periods longer than 24 h. This study hence suggests that short-term (accelerated) corrosion resistance measurements are not sufficient to predict potential health effects of Ti6Al4V alloys since also chemical dissolution mechanisms play a large role for metal release, possibly in a synergistic way. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B: 855-867, 2019.
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Affiliation(s)
- Yolanda S Hedberg
- Department of Chemistry, Division of Surface and Corrosion Science, KTH Royal Institute of Technology, Drottning Kristinas väg 51, SE-10044, Stockholm, Sweden
| | - Monika Žnidaršič
- Department of Chemistry, Division of Surface and Corrosion Science, KTH Royal Institute of Technology, Drottning Kristinas väg 51, SE-10044, Stockholm, Sweden.,Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000, Ljubljana, Slovenia
| | - Gunilla Herting
- Department of Chemistry, Division of Surface and Corrosion Science, KTH Royal Institute of Technology, Drottning Kristinas väg 51, SE-10044, Stockholm, Sweden
| | - Ingrid Milošev
- Department of Physical and Organic Chemistry, Jožef Stefan Institute, Jamova c. 39, SI-1000, Ljubljana, Slovenia
| | - Inger Odnevall Wallinder
- Department of Chemistry, Division of Surface and Corrosion Science, KTH Royal Institute of Technology, Drottning Kristinas väg 51, SE-10044, Stockholm, Sweden
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31
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Shi J, Wang C, Ngai T, Lin W. Diffusion and Binding of Laponite Clay Nanoparticles into Collagen Fibers for the Formation of Leather Matrix. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:7379-7385. [PMID: 29806942 DOI: 10.1021/acs.langmuir.8b00923] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Understanding accessibility and interactions of clay nanoparticles with collagen fibers is an important fundamental issue for the conversion of collagen to leather matrix. In this study, we have investigated the diffusion and binding of Laponite into the collagen fiber network. Our results indicate that the diffusion behaviors of Laponite into the collagen exhibit the Langmuir adsorption, verifying its affinity for collagen. The introduction of Laponite leads to a shift in the isoelectric point of collagen from ∼6.8 to ∼4.5, indicating the ionic bonding between the positively charged amino groups of the collagen and negatively charged Laponite under the tanning conditions. Fluorescence microscopy, atomic force microscopy, field-emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, and wide-angle X-ray diffraction analyses reveal that Laponite nanoparticles can penetrate into collagen microstructure and evenly distributed onto collagen fibrils, not altering native D-periodic banding patterns of collagen fibrils. Attenuated total reflectance-Fourier transform infrared and Raman spectroscopy detections further demonstrate the presence of noncovalent interactions, namely, ionic and hydrogen bonding, between Laponite and collagen. These findings provide a theoretical basis for the use of Laponite as an emerging tanning agent in leather manufacture.
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Affiliation(s)
- Jiabo Shi
- National Engineering Laboratory for Clean Technology of Leather Processing , Sichuan University , Chengdu 610065 , China
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology , Xi'an 710021 , China
| | - Chunhua Wang
- National Engineering Laboratory for Clean Technology of Leather Processing , Sichuan University , Chengdu 610065 , China
| | - To Ngai
- Department of Chemistry , The Chinese University of Hong Kong , Shatin, N. T. , Hong Kong , China
| | - Wei Lin
- National Engineering Laboratory for Clean Technology of Leather Processing , Sichuan University , Chengdu 610065 , China
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32
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Zhang Y, Ingham B, Cheong S, Ariotti N, Tilley RD, Naffa R, Holmes G, Clarke DJ, Prabakar S. Real-Time Synchrotron Small-Angle X-ray Scattering Studies of Collagen Structure during Leather Processing. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b03860] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yi Zhang
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094, Palmerston North 4472, New Zealand
| | - Bridget Ingham
- Callaghan Innovation, P.O. Box 31310, Lower
Hutt 5040, New Zealand
| | - Soshan Cheong
- Electron
Microscope Unit, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, Australia
| | - Nicholas Ariotti
- Electron
Microscope Unit, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, Australia
| | - Richard D. Tilley
- Electron
Microscope Unit, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, Australia
| | - Rafea Naffa
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094, Palmerston North 4472, New Zealand
| | - Geoff Holmes
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094, Palmerston North 4472, New Zealand
| | - David J. Clarke
- Callaghan Innovation, P.O. Box 31310, Lower
Hutt 5040, New Zealand
| | - Sujay Prabakar
- Leather and Shoe Research Association of New Zealand, P.O. Box 8094, Palmerston North 4472, New Zealand
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Fabrication of semisynthetic collagenic materials for mere/synergistic adsorption: A model approach of determining dye allocation by systematic characterization and optimization. Int J Biol Macromol 2017; 102:438-456. [DOI: 10.1016/j.ijbiomac.2017.04.044] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 04/10/2017] [Accepted: 04/11/2017] [Indexed: 01/01/2023]
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34
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Shah KM, Orton P, Mani N, Wilkinson JM, Gartland A. Osteocyte physiology and response to fluid shear stress are impaired following exposure to cobalt and chromium: Implications for bone health following joint replacement. J Orthop Res 2017; 35:1716-1723. [PMID: 27673573 PMCID: PMC5603770 DOI: 10.1002/jor.23449] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 09/23/2016] [Indexed: 02/04/2023]
Abstract
The effects of metal ion exposure on osteocytes, the most abundant cell type in bone and responsible for coordinating bone remodeling, remain unclear. However, several studies have previously shown that exposure to cobalt (Co2+ ) and chromium (Cr3+ ), at concentrations equivalent to those found clinically, affect osteoblast and osteoclast survival and function. In this study, we tested the hypothesis that metal ions would similarly impair the normal physiology of osteocytes. The survival, dendritic morphology, and response to fluid shear stress of the mature osteocyte-like cell-line MLO-Y4 following exposure to clinically relevant concentrations and combinations of Co and Cr ions were measured in 2D-culture. Exposure of MLO-Y4 cells to metal ions reduced cell number, increased dendrites per cell and increased dendrite length. We found that combinations of metal ions had a greater effect than the individual ions alone, and that Co2+ had a predominate effect on changes to cell numbers and dendrites. Combined metal ion exposure blunted the responses of the MLO-Y4 cells to fluid shear stress, including reducing the intracellular calcium responses and modulation of genes for the osteocyte markers Cx43 and Gp38, and the signaling molecules RANKL and Dkk-1. Finally, we demonstrated that in the late osteoblasts/early osteocytes cell line MLO-A5 that Co2+ exposure had no effect on mineralization, but Cr3+ treatment inhibited mineralization in a dose-dependent manner, without affecting cell viability. Taken together, these data indicate that metal exposure can directly affect osteocyte physiology, with potential implications for bone health including osseointegration of cementless components, and periprosthetic bone remodeling. © 2016 The Authors. Journal of Orthopaedic Research Published by Wiley Periodicals, Inc. on behalf of Orthopaedic Research Society. J Orthop Res 35:1716-1723, 2017.
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Affiliation(s)
- Karan M. Shah
- Department of Oncology and MetabolismThe University of SheffieldBeech Hill RdSheffield S10 2RXUnited Kingdom
| | - Peter Orton
- Department of Oncology and MetabolismThe University of SheffieldBeech Hill RdSheffield S10 2RXUnited Kingdom
| | - Nick Mani
- Department of Oncology and MetabolismThe University of SheffieldBeech Hill RdSheffield S10 2RXUnited Kingdom
| | - Jeremy Mark Wilkinson
- Department of Oncology and MetabolismThe University of SheffieldBeech Hill RdSheffield S10 2RXUnited Kingdom
| | - Alison Gartland
- Department of Oncology and MetabolismThe University of SheffieldBeech Hill RdSheffield S10 2RXUnited Kingdom
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35
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Wang X, Guo X, Wang H, Guo P. Effect of Linear-Hyperbranched Amphiphilic Phosphate Esters on Collagen Fibers. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:104-116. [PMID: 27977187 DOI: 10.1021/acs.jafc.6b04482] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The surfactants of the linear-hyperbranched phosphate esters (PAMAMGn-3-Ps) have been constructed through random multibranching esterification of lauroyl chloride and phosphate ester as a branching agent. Subsequently, a series of surfactant products were obtained. Benefiting from the amphiphilic structure with the hydrophilic core and many hydrophobic tails, PAMAMGn-3-Ps were able to self-assemble into nanomicelles in aqueous media. Importantly, the polymers show low critical micelle concentrations (CMCs) and small particle sizes. Here, PAMAMG1-3-P was applied in the collagen fibers of leather to improve the fibers' distance and mechanical property of collagen fibers. Additionally, the polymers display significant flexibility, which could replace ordinary fatliquor in the future. The result provides a new application of using linear-hyperbranched amphiphilic phosphate esters into traditional leather materials to enhance the performance of collagen fibers.
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Affiliation(s)
- Xuechuan Wang
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology; Shaanxi Research Institute of Agricultural Products Processing Technology , Xi'an, Shaanxi, People's Republic of China 710021
| | - Xiaoxiao Guo
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology; Shaanxi Research Institute of Agricultural Products Processing Technology , Xi'an, Shaanxi, People's Republic of China 710021
| | - Haijun Wang
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology; Shaanxi Research Institute of Agricultural Products Processing Technology , Xi'an, Shaanxi, People's Republic of China 710021
| | - Peiying Guo
- College of Arts and Sciences, Shaanxi University of Science and Technology , Xi'an, Shaanxi, People's Republic of China 710021
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36
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Cation-Specific Effects on the Self-Assembly of Collagen Molecules Mediated by Acetate on Mica Surface Observed with Atomic Force Microscopy. J FOOD QUALITY 2017. [DOI: 10.1155/2017/1692975] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The well-organized collagen layers on mica surface have drawn extensive attention for its essential applications and studies on the process of self-assembly as a model system. In this work, collagen extracted from fish scales by acid-base method was used to explore the self-assembly characters, and atomic force microscopy was applied to observe the collagen assembled on mica surface mediated by acetate with four different cations, including K+, Na+, Mg2+, and Ca2+. It showed that cations might influence the interaction between collagen fibrils and mica surface at high ionic concentration. And a similar network structure was acquired with uniform pore size for four kinds of acetates; nearly ranged collagen fibrils in the same direction were collected in Mg2+ solutions, while flat films with some fibrils were achieved in K+ solutions. The Hofmeister series and Collins’ model were adapted to explain the effects of cations and acetate on the self-assembly of collagen. These results and analysis would be helpful for directing the pattern of collagen assembly on a solid surface with a potential application in food science and engineering.
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37
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Parmar AS, Xu F, Pike DH, Belure SV, Hasan NF, Drzewiecki KE, Shreiber DI, Nanda V. Metal Stabilization of Collagen and de Novo Designed Mimetic Peptides. Biochemistry 2015; 54:4987-97. [PMID: 26225466 PMCID: PMC5335877 DOI: 10.1021/acs.biochem.5b00502] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We explore the design of metal binding sites to modulate triple-helix stability of collagen and collagen-mimetic peptides. Globular proteins commonly utilize metals to connect tertiary structural elements that are well separated in sequence, constraining structure and enhancing stability. It is more challenging to engineer structural metals into fibrous protein scaffolds, which lack the extensive tertiary contacts seen in globular proteins. In the collagen triple helix, the structural adjacency of the carboxy-termini of the three chains makes this region an attractive target for introducing metal binding sites. We engineered His3 sites based on structural modeling constraints into a series of designed homotrimeric and heterotrimeric peptides, assessing the capacity of metal binding to improve stability and in the case of heterotrimers, affect specificity of assembly. Notable enhancements in stability for both homo- and heteromeric systems were observed upon addition of zinc(II) and several other metal ions only when all three histidine ligands were present. Metal binding affinities were consistent with the expected Irving-Williams series for imidazole. Unlike other metals tested, copper(II) also bound to peptides lacking histidine ligands. Acetylation of the peptide N-termini prevented copper binding, indicating proline backbone amide metal-coordination at this site. Copper similarly stabilized animal extracted Type I collagen in a metal-specific fashion, highlighting the potential importance of metal homeostasis within the extracellular matrix.
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Affiliation(s)
- Avanish S. Parmar
- Department of Biotechnology & Bioinformatics, School of Life Sciences, University of Hyderabad, Gachibowli, Hyderabad-500046, Telangana, INDIA
- Center for Advanced Biotechnology and Medicine, Department of Biochemistry and Molecular Biology Robert Wood Johnson Medical School, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Fei Xu
- Center for Advanced Biotechnology and Medicine, Department of Biochemistry and Molecular Biology Robert Wood Johnson Medical School, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Douglas H. Pike
- Center for Advanced Biotechnology and Medicine, Department of Biochemistry and Molecular Biology Robert Wood Johnson Medical School, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Sandeep V. Belure
- Center for Advanced Biotechnology and Medicine, Department of Biochemistry and Molecular Biology Robert Wood Johnson Medical School, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Nida F. Hasan
- Center for Advanced Biotechnology and Medicine, Department of Biochemistry and Molecular Biology Robert Wood Johnson Medical School, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Kathryn E. Drzewiecki
- Department of Biomedical Engineering, Rutgers University, Piscataway, New Jersey 08854, USA
| | - David I. Shreiber
- Department of Biomedical Engineering, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Vikas Nanda
- Center for Advanced Biotechnology and Medicine, Department of Biochemistry and Molecular Biology Robert Wood Johnson Medical School, Rutgers University, Piscataway, New Jersey 08854, USA
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38
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Xia G, Sadanand V, Ashok B, Reddy KO, Zhang J, Rajulu AV. Preparation and Properties of Cellulose/Waste Leather Buff Biocomposites. INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2015. [DOI: 10.1080/1023666x.2015.1081132] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Marelli B, Le Nihouannen D, Hacking SA, Tran S, Li J, Murshed M, Doillon CJ, Ghezzi CE, Zhang YL, Nazhat SN, Barralet JE. Newly identified interfibrillar collagen crosslinking suppresses cell proliferation and remodelling. Biomaterials 2015; 54:126-35. [PMID: 25907046 DOI: 10.1016/j.biomaterials.2015.03.018] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2014] [Revised: 03/04/2015] [Accepted: 03/09/2015] [Indexed: 10/23/2022]
Abstract
Copper is becoming recognised as a key cation in a variety of biological processes. Copper chelation has been studied as a potential anti-angiogenic strategy for arresting tumour growth. Conversely the delivery of copper ions and complexes in vivo can elicit a pro-angiogenic effect. Previously we unexpectedly found that copper-stimulated intraperitoneal angiogenesis was accompanied by collagen deposition. Here, in hard tissue, not only was healing accelerated by copper, but again enhanced deposition of collagen was detected at 2 weeks. Experiments with reconstituted collagen showed that addition of copper ions post-fibrillogenesis rendered plastically-compressed gels resistant to collagenases, enhanced their mechanical properties and increased the denaturation temperature of the protein. Unexpectedly, this apparently interfibrillar crosslinking was not affected by addition of glucose or ascorbic acid, which are required for crosslinking by advanced glycation end products (AGEs). Fibroblasts cultured on copper-crosslinked gels did not proliferate, whereas those cultured with an equivalent quantity of copper on either tissue culture plastic or collagen showed no effect compared with controls. Although non-proliferative, fibroblasts grown on copper-cross-linked collagen could migrate, remained metabolically active for at least 14 days and displayed a 6-fold increase in Mmps 1 and 3 mRNA expression compared with copper-free controls. The ability of copper ions to crosslink collagen fibrils during densification and independently of AGEs or Fenton type reactions is previously unreported. The effect on MMP susceptibility of collagen and the dramatic change in cell behaviour on this crosslinked ECM may contribute to shedding some light on unexplained phenomena as the apparent benefit of copper complexation in fibrotic disorders or the enhanced collagen deposition in response to localised copper delivery.
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Affiliation(s)
- Benedetto Marelli
- Department of Mining and Materials Engineering, Faculty of Engineering, McGill University, 3610 University St., Montréal, QC, H3A 2B2, Canada
| | - Damien Le Nihouannen
- Faculty of Dentistry, McGill University, 3640 University St., Montréal, QC, H3A 2B2, Canada
| | - S Adam Hacking
- Faculty of Dentistry, McGill University, 3640 University St., Montréal, QC, H3A 2B2, Canada
| | - Simon Tran
- Faculty of Dentistry, McGill University, 3640 University St., Montréal, QC, H3A 2B2, Canada
| | - Jingjing Li
- Faculty of Dentistry, McGill University, 3640 University St., Montréal, QC, H3A 2B2, Canada
| | - Monzur Murshed
- Faculty of Dentistry, McGill University, 3640 University St., Montréal, QC, H3A 2B2, Canada
| | - Charles J Doillon
- CHUL's Research Center (T2-50), CHUQ, 2705, Boul. Laurier, and Department of Surgery, Laval University, Quebec City, QC, G1V 4G2, Canada
| | - Chiara E Ghezzi
- Department of Mining and Materials Engineering, Faculty of Engineering, McGill University, 3610 University St., Montréal, QC, H3A 2B2, Canada
| | - Yu Ling Zhang
- Faculty of Dentistry, McGill University, 3640 University St., Montréal, QC, H3A 2B2, Canada
| | - Showan N Nazhat
- Department of Mining and Materials Engineering, Faculty of Engineering, McGill University, 3610 University St., Montréal, QC, H3A 2B2, Canada
| | - Jake E Barralet
- Faculty of Dentistry, McGill University, 3640 University St., Montréal, QC, H3A 2B2, Canada; Department of Surgery, Montreal General Hospital, McGill University, 1650 Cedar Ave, Montreal, H3G 1A4, Canada.
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Fibril formation pH controls intrafibrillar collagen biomineralization in vitro and in vivo. Biomaterials 2014; 37:252-9. [PMID: 25453955 DOI: 10.1016/j.biomaterials.2014.10.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2014] [Accepted: 10/02/2014] [Indexed: 12/27/2022]
Abstract
We demonstrate that intrafibrillar, homogenous collagen biomineralization can be achieved by controlling self-assembly under mildly alkaline conditions. Using dense collagen (DC) gels as an osteoid model, we modulated their fibrillogenesis environment to evaluate the effects of fibrillogenesis pH on the protein charge distribution and ultimately on biomineralization. Cationic and anionic dye staining and electron cryomicroscopy analyses established that fibrillogenesis under mildly alkaline conditions promotes the formation of electronegative charges within the protein (anionic DC gels). These charges are stable upon titration of the gel pH to physiological values. Subsequent exposure of anionic DC gels to simulated body fluid induced the intrafibrillar biomineralization of the gels, promoting a rapid, extensive formation of carbonated hydroxyapatite, and strongly impacting gel mechanical properties. The generality and significance of this approach has been addressed by implanting freshly made anionic DC gels in vivo, in a rat subcutaneous model. Subcutaneous implants showed an extensive, homogenous biomineralization as early as at day 7, indicating that anionic collagen gels rapidly self-mineralize upon contact with body fluids in a non-osseous implantation site. The control of collagen fibrillogenesis pH provides not only new interpretations to what has been called the collagen mineralization enigma by demonstrating that neat collagen can intrafibrilarly self-mineralize, but it will also set a new starting point for the use of DC gels in bone regenerative medicine, in addition as potential applications as mineralized tissue model or as slow-release delivery carriers.
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Hedberg YS, Lidén C, Odnevall Wallinder I. Correlation between bulk- and surface chemistry of Cr-tanned leather and the release of Cr(III) and Cr(VI). JOURNAL OF HAZARDOUS MATERIALS 2014; 280:654-661. [PMID: 25222930 DOI: 10.1016/j.jhazmat.2014.08.061] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 06/04/2014] [Accepted: 08/28/2014] [Indexed: 06/03/2023]
Abstract
About 1-3% of the adult general population in Europe is allergic to chromium (Cr). The assessment of the potential release of Cr(III) and Cr(VI) from leather is hence important from a human health and environmental risk perspective. The Cr(VI) content in leather was recently restricted in the European Union. The aim of this study was to assess possible correlations between the bulk and surface chemistry of leather, released Cr(III) and Cr(VI), and capacities of co-released leather specific species to reduce and complex released Cr. Four differently tanned leathers were characterized by scanning electron microscopy with energy dispersive spectroscopy, X-ray photoelectron spectroscopy, attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy, and the diphenylcarbazide colorimetric method. Their characteristics were compared with results on Cr(III) and Cr(VI) release into artificial sweat (ASW, pH<6.5) and phosphate buffer (PB, pH 7.5-8.0), measured by means of spectrophotometry and atomic absorption spectroscopy. Co-released leather-specific species were shown to reduce Cr(VI), both in ASW and in PB. Their reduction capacities correlated with findings of the surface content of Cr and of released Cr. Leather samples without this capacity, and with less aromatic surface groups visible by ATR-FTIR, revealed Cr(VI) both at the surface and in solution (PB).
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Affiliation(s)
- Yolanda S Hedberg
- KTH Royal Institute of Technology, School of Chemical Science and Engineering, Department of Chemistry, Division of Surface and Corrosion Science, SE-10044 Stockholm, Sweden; Institute of Environmental Medicine, Karolinska Institutet, Box 210, SE-17177 Stockholm, Sweden.
| | - Carola Lidén
- Institute of Environmental Medicine, Karolinska Institutet, Box 210, SE-17177 Stockholm, Sweden.
| | - Inger Odnevall Wallinder
- KTH Royal Institute of Technology, School of Chemical Science and Engineering, Department of Chemistry, Division of Surface and Corrosion Science, SE-10044 Stockholm, Sweden.
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Biomimetic self-assembly of apatite hybrid materials: From a single molecular template to bi-/multi-molecular templates. Biotechnol Adv 2014; 32:744-60. [DOI: 10.1016/j.biotechadv.2013.10.014] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Revised: 10/17/2013] [Accepted: 10/29/2013] [Indexed: 12/25/2022]
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Wang L, Guo Y, Li P, Song Y. Anion-Specific Effects on the Assembly of Collagen Layers Mediated by Magnesium Ion on Mica Surface. J Phys Chem B 2014; 118:511-8. [DOI: 10.1021/jp405035x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Li Wang
- Key Laboratory
of Functional
Small Organic Molecule, Ministry of Education, College of Chemistry
and Chemical Engineering, Jiangxi Normal University, 99 Ziyang
Road, Nanchang 330022, China
| | - Yan Guo
- Key Laboratory
of Functional
Small Organic Molecule, Ministry of Education, College of Chemistry
and Chemical Engineering, Jiangxi Normal University, 99 Ziyang
Road, Nanchang 330022, China
| | - Pengcheng Li
- Key Laboratory
of Functional
Small Organic Molecule, Ministry of Education, College of Chemistry
and Chemical Engineering, Jiangxi Normal University, 99 Ziyang
Road, Nanchang 330022, China
| | - Yonghai Song
- Key Laboratory
of Functional
Small Organic Molecule, Ministry of Education, College of Chemistry
and Chemical Engineering, Jiangxi Normal University, 99 Ziyang
Road, Nanchang 330022, China
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Liu Y, Chen M, Jiang L, Song L. New insight into molecular interaction of heavy metal pollutant--cadmium(II) with human serum albumin. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:6994-7005. [PMID: 24522399 DOI: 10.1007/s11356-014-2610-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 01/27/2014] [Indexed: 05/19/2023]
Abstract
Cadmium (Cd) is an extremely toxic metal commonly found as an environmental contaminant from industrial and agricultural sources, posing severe risks to human health. In this study, the binding mechanism of Cd(II)-human serum albumin (HSA) complex and the effect of Cd(II) on the conformational stability and structural state of HSA were comprehensively investigated through a series of efficient and appropriate methods. X-ray photoelectron spectroscopy accurately described the microenvironmental changes around protein C, N, and O atoms in the presence of Cd(II). Fluorescence results indicated that the probable mechanism of Cd(II)-HSA interaction is a static quenching process. Fourier transform infrared spectroscopy and dynamic light scattering showed Cd(II) complexation altered HSA conformation and the microenvironments of Trp and Tyr residues, accompanied by the size increases of HSA aggregates. This research will be helpful for understanding the toxic effects of Cd(II) on protein function in vivo.
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Affiliation(s)
- Yan Liu
- The State Key Lab of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, People's Republic of China
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Mori H, Shimizu K, Hara M. Dynamic viscoelastic properties of collagen gels with high mechanical strength. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2013; 33:3230-6. [PMID: 23706205 DOI: 10.1016/j.msec.2013.03.047] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2011] [Revised: 03/08/2013] [Accepted: 03/29/2013] [Indexed: 11/17/2022]
Abstract
We developed a new method for the preparation of mechanically strong collagen gels by combining successively basic gel formation, followed by 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC) cross-linking and lyophilization. Gels cross-linked three times with this method showed stronger mechanical properties (G': 3730±2060 Pa, G″: 288±35 Pa) than a conventional gel that was sequentially cross-linked with EDC once (G': 226±70 Pa, G″: 21±4.4 Pa), but not as strong as the same gel with heating for 30 min at 80°C (G': 7010±830 Pa, G″: 288±35 Pa) reported in our previous paper. The conventional collagen gel was cross-linked with EDC once, heated once, and then subjected twice to a lyophilization-gel formation-cross-linking cycle to give three-cycled gel 2. This gel had the strongest mechanical properties (G': 40,200±18,000 Pa, G″: 3090±1400 Pa, Young's modulus: 0.197±0.069 MPa) of the gels tested. These promising results suggest possible applications of the gels as scaffolds in tissue engineering research.
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Affiliation(s)
- Hideki Mori
- Department of Biological Science, Graduate School of Science, Osaka Prefecture University, Naka-ku, Sakai, Osaka, Japan
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He L, Cai S, Wu B, Mu C, Zhang G, Lin W. Trivalent chromium and aluminum affect the thermostability and conformation of collagen very differently. J Inorg Biochem 2012; 117:124-30. [DOI: 10.1016/j.jinorgbio.2012.08.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2012] [Revised: 08/27/2012] [Accepted: 08/28/2012] [Indexed: 10/27/2022]
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Collagen based magnetic nanocomposites for oil removal applications. Sci Rep 2012; 2:230. [PMID: 22355744 PMCID: PMC3262048 DOI: 10.1038/srep00230] [Citation(s) in RCA: 135] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2011] [Accepted: 01/02/2012] [Indexed: 12/25/2022] Open
Abstract
A stable magnetic nanocomposite of collagen and superparamagnetic iron oxide nanoparticles (SPIONs) is prepared by a simple process utilizing protein wastes from leather industry. Molecular interaction between helical collagen fibers and spherical SPIONs is proven through calorimetric, microscopic and spectroscopic techniques. This nanocomposite exhibited selective oil absorption and magnetic tracking ability, allowing it to be used in oil removal applications. The environmental sustainability of the oil adsorbed nanobiocomposite is also demonstrated here through its conversion into a bi-functional graphitic nanocarbon material via heat treatment. The approach highlights new avenues for converting bio-wastes into useful nanomaterials in scalable and inexpensive ways.
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Marelli B, Ghezzi CE, Mohn D, Stark WJ, Barralet JE, Boccaccini AR, Nazhat SN. Accelerated mineralization of dense collagen-nano bioactive glass hybrid gels increases scaffold stiffness and regulates osteoblastic function. Biomaterials 2011; 32:8915-26. [PMID: 21889796 DOI: 10.1016/j.biomaterials.2011.08.016] [Citation(s) in RCA: 126] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2011] [Accepted: 08/08/2011] [Indexed: 02/07/2023]
Abstract
Plastically compressed dense collagen (DC) gels mimic the microstructural, mechanical, and biological properties of native osteoid. This study investigated the effect of hybridizing DC with osteoinductive nano-sized bioactive glass (nBG) particles in order to potentially produce readily implantable, and mineralizable, cell seeded hydrogel scaffolds for bone tissue engineering. Due to the high surface area of nBG and increased reactivity, calcium phosphate formation was immediately detected within as processed DC-nGB hybrid gel scaffolds. By day 3 in simulated body fluid, accelerated mineralization was confirmed through the homogeneous growth of carbonated hydroxylapatite on the nanofibrillar collagen framework. At day 7, there was a 13 fold increase in the hybrid gel scaffold compressive modulus. MC3T3-E1 pre-osteoblasts, three-dimensionally seeded at the point of nanocomposite self-assembly, were viable up to day 28 in culture. In the absence of osteogenic supplements, MC3T3-E1 metabolic activity and alkaline phosphatase production were affected by the presence of nBG, indicating accelerated osteogenic differentiation. Additionally, no cell-induced contraction of DC-nBG gel scaffolds was detected. The accelerated mineralization of rapidly produced DC-nBG hybrid gels indicates their potential suitability as osteoinductive cell delivery scaffolds for bone regenerative therapy.
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Affiliation(s)
- Benedetto Marelli
- Department of Mining and Materials Engineering, McGill University, Montreal, QC, Canada
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Marelli B, Ghezzi CE, Barralet JE, Boccaccini AR, Nazhat SN. Three-Dimensional Mineralization of Dense Nanofibrillar Collagen−Bioglass Hybrid Scaffolds. Biomacromolecules 2010; 11:1470-9. [DOI: 10.1021/bm1001087] [Citation(s) in RCA: 124] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Benedetto Marelli
- Department of Mining and Materials Engineering, Faculty of Dentistry, McGill University, Montréal, QC, Canada, H3A 2B2, and Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Chiara E. Ghezzi
- Department of Mining and Materials Engineering, Faculty of Dentistry, McGill University, Montréal, QC, Canada, H3A 2B2, and Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Jake E. Barralet
- Department of Mining and Materials Engineering, Faculty of Dentistry, McGill University, Montréal, QC, Canada, H3A 2B2, and Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Aldo R. Boccaccini
- Department of Mining and Materials Engineering, Faculty of Dentistry, McGill University, Montréal, QC, Canada, H3A 2B2, and Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Showan N. Nazhat
- Department of Mining and Materials Engineering, Faculty of Dentistry, McGill University, Montréal, QC, Canada, H3A 2B2, and Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
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