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Ren L, Li S, Ye W, Lv Q, Sun Y, Zhou X, Lian S, Lv J, Wang S, Guo J, Tian Y, Zheng R, Lu Y. Tracking organic matrix in the seashell by elemental mapping under laser-induced breakdown spectroscopy. Talanta 2024; 271:125658. [PMID: 38219325 DOI: 10.1016/j.talanta.2024.125658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 01/05/2024] [Accepted: 01/08/2024] [Indexed: 01/16/2024]
Abstract
As a biogenic calcium carbonate, the seashell plays a crucial role in marine environmental studies. In these studies, it is essential to investigate the composition of the seashell. In this study, we used laser-induced breakdown spectroscopy (LIBS) to analyze the elemental composition of cultured scallop-shell (Patinopecten yessoensis), with a specific focus on examining the organic elements (C, N, O, H) to track the shell organic matrix (SOM). Our findings indicate that the seashell organic layer can be accurately identified by referencing the strong emission of nitrogen or the low signal of calcium. To further confirm the presence of this layer, we employed fluorescence spectroscopy, Raman spectroscopy and FTIR spectroscopy. Correlation analysis revealed a strong connection between LIBS emissions (H, O, CC) and seashell organics, as well as demonstrated the presence of organics in metallic emissions (Si, Ba). However, when we conducted elemental mapping on the shell cross-section, the distribution similarity was observed between the elements N, Ba, and Sr. Based on the correlation of organics and the distribution similarity, it is concluded that barium is an element associated with the SOM. These results highlight the potential of LIBS for organic analysis, which can complement traditional seashell analysis.
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Affiliation(s)
- Lihui Ren
- College of Physics and Optoelectronic Engineering, Ocean University of China, Qingdao, 266100, PR China; Single-Cell Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, PR China
| | - Shoujie Li
- College of Physics and Optoelectronic Engineering, Ocean University of China, Qingdao, 266100, PR China
| | - Wangquan Ye
- College of Physics and Optoelectronic Engineering, Ocean University of China, Qingdao, 266100, PR China
| | - Qi Lv
- Single-Cell Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, PR China
| | - Yuxin Sun
- College of Physics and Optoelectronic Engineering, Ocean University of China, Qingdao, 266100, PR China; Single-Cell Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, PR China
| | - Xuan Zhou
- Single-Cell Center, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, 266101, PR China
| | - Shanshan Lian
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, PR China
| | - Jia Lv
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, PR China
| | - Shi Wang
- MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, PR China
| | - Jinjia Guo
- College of Physics and Optoelectronic Engineering, Ocean University of China, Qingdao, 266100, PR China
| | - Ye Tian
- College of Physics and Optoelectronic Engineering, Ocean University of China, Qingdao, 266100, PR China
| | - Ronger Zheng
- College of Physics and Optoelectronic Engineering, Ocean University of China, Qingdao, 266100, PR China
| | - Yuan Lu
- College of Physics and Optoelectronic Engineering, Ocean University of China, Qingdao, 266100, PR China.
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Sampath V, Krishnasamy V. Synthesis and characterization of hydroxyapatite self-assembled nanocomposites on graphene oxide sheets from seashell waste: A green process for regenerative medicine. J Mech Behav Biomed Mater 2024; 151:106383. [PMID: 38218046 DOI: 10.1016/j.jmbbm.2024.106383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/29/2023] [Accepted: 01/03/2024] [Indexed: 01/15/2024]
Abstract
Bone transplantation is the second most common transplantation surgery in the world. Therefore, there is an urgent need for artificial bone transplantation to repair bone defects. In bone tissue engineering, hydroxyapatite (HA) plays a major role in bone graft applications. This study deals with a facile method for synthesizing HA hexagonal nanorods from seashells by a solid-state hydrothermal transition process. The synthesized HA nanorods (∼2.29 nm) were reinforced with carbon nanotube and chitosan on graphene oxide sheets with polymeric support by in-situ synthetic approach. Among the synthesized nanocomposites viz., hydroxyapatite-graphene oxide (HA-GO), hydroxyapatite-graphene oxide-chitosan (HA-GO-CS), hydroxyapatite-graphene oxide-chitosan-carbon nanotube-polylactic acid (HA-GO-CS-CNT-PLA). Among them, the HA-GO-CS-CNT-PLA composite exhibits micro and macro porosity (∼200 to 600 μm), higher mechanical strength, (Hardness ∼90.5 ± 1.33 MPa; Tensile strength 25.62 MPa), and maximum cell viability in MG63 osteoblast-like cells (80%). The self-assembled hybrid-nanocomposite of HA-GO-CS-CNT-PLA is a promising material for bone filler application and could efficiently utilize seashell waste through the green process.
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Affiliation(s)
- VishnuPriya Sampath
- Department of Medical Neurobiology, Faculty of Medicine, The Institute for Medical Research, Israel-Canada, Hadassah Medical School, The Hebrew University of Jerusalem, Jerusalem, 9112102, Israel.
| | - Velmurugan Krishnasamy
- College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing - 211 100, China
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Karunakaran G, Cho EB, Thirumurugan K, Kumar GS, Kolesnikov E, Boobalan S, Janarthanan G, Pillai MM, Rajendran S. Mesoporous Mn-doped hydroxyapatite nanorods obtained via pyridinium chloride enabled microwave-assisted synthesis by utilizing Donax variabilis seashells for implant applications. Mater Sci Eng C Mater Biol Appl 2021; 126:112170. [PMID: 34082971 DOI: 10.1016/j.msec.2021.112170] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/30/2021] [Accepted: 05/01/2021] [Indexed: 11/26/2022]
Abstract
Manganese-doped mesoporous hydroxyapatite (MnHAp) nanorods, a bio-apatite were synthesized via pyridinium chloride mediated microwave approach using bio-waste Donax variabilis seashells to treat orthopedic infections. This is the first report on using pyridinium chloride mediated mesoporous MnHAp nanorods synthesis. Pure and Mn doped HAp samples were examined using Raman spectroscopy, X-ray powder diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) studies to confirm the prepared HAp nanorods. Furthermore, the fabrication of manganese-doped HAp was successful with the formation of a hexagonal crystal lattice without disturbing the HAp phase. It is because, at the time of synthesis, PO43- ions form an electrostatic interaction with the Mn ions. Furthermore, Mn-doped HAp samples showed a reduction in their sizes of 15, 10-15, 5-10 nm width, and 80-100, 10-15, 20-30 nm length with varied pore diameters and surface area. The pure HAp, MnHAp-1, MnHAp-2, and MnHAp-3 nanorods disclose the surface area of 39.4, 18.0, 49.2, and 80.4 m2 g-1, with a pore volume of 0.0102, 0.0047, 0.0143, and 0.0447 cm3 g-1, the corresponding pore diameter was estimated to be 6, 7, 6, and 4 nm, respectively. Moreover, antibacterial activity reveals effective bactericidal action against infections causing pathogens whereas cytotoxicity examination (MTT assay), and zebrafish results reveal their non-toxic behavior. Therefore, it is evident from the study, that rapid fabrication of mesoporous and diverse structured MnHAp nanorods could be convenient with pyridinium chloride enabled microwave-assisted method as a bactericidal biomaterial for implant applications.
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Affiliation(s)
- Gopalu Karunakaran
- Biosensor Research Institute, Department of Fine Chemistry, Seoul National University of Science and Technology (Seoul Tech), Gongneung-ro 232, Nowon-gu, Seoul 01811, Republic of Korea.
| | - Eun-Bum Cho
- Biosensor Research Institute, Department of Fine Chemistry, Seoul National University of Science and Technology (Seoul Tech), Gongneung-ro 232, Nowon-gu, Seoul 01811, Republic of Korea.
| | - Keerthanaa Thirumurugan
- Department of Biotechnology, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode 637 215, Tamil Nadu, India
| | - Govindan Suresh Kumar
- Department of Physics, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode 637 215, Tamil Nadu, India
| | - Evgeny Kolesnikov
- Department of Functional Nanosystems and High-Temperature Materials, National University of Science and Technology "MISiS", Leninskiy Pr. 4, Moscow 119049, Russia
| | - Selvakumar Boobalan
- Department of Biotechnology, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode 637 215, Tamil Nadu, India
| | - Gopinathan Janarthanan
- Tissue Engineering Laboratory, PSG Institute of Advanced Studies, Peelamedu, Coimbatore 641004, Tamil Nadu, India; Department of Chemical & Biomolecular Engineering, Seoul National University of Science and Technology (Seoul Tech), Gongneung-ro 232, Nowon-gu, Seoul 01811, Republic of Korea
| | - Mamatha Muraleedharan Pillai
- Tissue Engineering Laboratory, PSG Institute of Advanced Studies, Peelamedu, Coimbatore 641004, Tamil Nadu, India
| | - Selvakumar Rajendran
- Tissue Engineering Laboratory, PSG Institute of Advanced Studies, Peelamedu, Coimbatore 641004, Tamil Nadu, India
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