1
|
Xiang Z, Wang H, Zhao P, Fa X, Wan J, Wang Y, Xu C, Yao S, Zhao W, Zhang H, Han M. Hard Magnetic Graphene Nanocomposite for Multimodal, Reconfigurable Soft Electronics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2308575. [PMID: 38153331 DOI: 10.1002/adma.202308575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 11/20/2023] [Indexed: 12/29/2023]
Abstract
Soft electronics provide effective means for continuous monitoring of a diverse set of biophysical and biochemical signals from the human body. However, the sensitivities, functions, spatial distributions, and many other features of such sensors remain fixed after deployment and cannot be adjusted on demand. Here, laser-induced porous graphene is exploited as the sensing material, and dope it with permanent magnetic particles to create hard magnetic graphene nanocomposite (HMGN) that can self-assemble onto a flexible carrying substrate through magnetic force, in a reversible and reconfigurable manner. A set of soft electronics in HMGN exhibits enhanced performances in the measurements of electrophysiological signals, temperature, and concentrations of metabolites. All these flexible HMGN sensors can adhere to a carrying substrate at any position and in any spatial arrangement, to allow for wearable sensing with customizable sensitivity, modality, and spatial coverage. The HMGN represents a promising material for constructing soft electronics that can be reconfigured for various applications.
Collapse
Affiliation(s)
- Zehua Xiang
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
- Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing, 100871, China
| | - Haobin Wang
- Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing, 100871, China
| | - Pengcheng Zhao
- Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing, 100871, China
| | - Xinying Fa
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Ji Wan
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
- Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing, 100871, China
| | - Yaozheng Wang
- Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing, 100871, China
| | - Chen Xu
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China
| | - Shenglian Yao
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Wei Zhao
- Department of Cardiology and Institute of Vascular Medicine, Peking University Third Hospital, NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, 100191, China
| | - Haixia Zhang
- Beijing Advanced Innovation Center for Integrated Circuits, School of Integrated Circuits, Peking University, Beijing, 100871, China
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China
| | - Mengdi Han
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
| |
Collapse
|
2
|
Mohammadnejad L, Theurer A, Alber J, Illing B, Kimmerle-Mueller E, Schultheiss J, Krajewski S, Rupp F. Surface-Mediated Modulation of Different Biological Responses on Anatase-Coated Titanium. J Funct Biomater 2024; 15:29. [PMID: 38391882 PMCID: PMC10889146 DOI: 10.3390/jfb15020029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/15/2024] [Accepted: 01/19/2024] [Indexed: 02/24/2024] Open
Abstract
Various surface modification strategies are being developed to endow dental titanium implant surfaces with micro- and nano-structures to improve their biocompatibility, and first of all their osseointegration. These modifications have the potential to address clinical concerns by stimulating different biological processes. This study aims to evaluate the biological responses of ananatase-modified blasted/etched titanium (SLA-anatase) surfaces compared to blasted/acid etched (SLA) and machined titanium surfaces. Using unipolar pulsed direct current (DC) sputtering, a nanocrystalline anatase layer was fabricated. In vitro experiments have shown that SLA-anatase discs can effectively promote osteoblast adhesion and proliferation, which are regarded as important features of a successful dental implant with bone contact. Furthermore, anatase surface modification has been shown to partially enhance osteoblast mineralization in vitro, while not significantly affecting bacterial colonization. Consequently, the recently created anatase coating holds significant potential as a promising candidate for future advancements in dental implant surface modification for improving the initial stages of osseointegration.
Collapse
Affiliation(s)
- Leila Mohammadnejad
- Department Medical Materials Science & Technology, Institute for Biomedical Engineering, University Hospital Tübingen, Osianderstr. 2-8, 72076 Tübingen, Germany
| | - Antonia Theurer
- Department Medical Materials Science & Technology, Institute for Biomedical Engineering, University Hospital Tübingen, Osianderstr. 2-8, 72076 Tübingen, Germany
| | - Julia Alber
- Department Medical Materials Science & Technology, Institute for Biomedical Engineering, University Hospital Tübingen, Osianderstr. 2-8, 72076 Tübingen, Germany
| | - Barbara Illing
- Department Medical Materials Science & Technology, Institute for Biomedical Engineering, University Hospital Tübingen, Osianderstr. 2-8, 72076 Tübingen, Germany
| | - Evi Kimmerle-Mueller
- Department Medical Materials Science & Technology, Institute for Biomedical Engineering, University Hospital Tübingen, Osianderstr. 2-8, 72076 Tübingen, Germany
| | - Jacob Schultheiss
- Department Medical Materials Science & Technology, Institute for Biomedical Engineering, University Hospital Tübingen, Osianderstr. 2-8, 72076 Tübingen, Germany
| | - Stefanie Krajewski
- Department Medical Materials Science & Technology, Institute for Biomedical Engineering, University Hospital Tübingen, Osianderstr. 2-8, 72076 Tübingen, Germany
| | - Frank Rupp
- Department Medical Materials Science & Technology, Institute for Biomedical Engineering, University Hospital Tübingen, Osianderstr. 2-8, 72076 Tübingen, Germany
| |
Collapse
|
3
|
Li Y, Liu X, Zhang Y, Wu Z, Ling W, Zhang X, Zhou M, Onses MS, Zhou P, Mao S, Huo W, Fan Z, Yang H, Wang H, Huang X. A flexible wearable device coupled with injectable Fe 3O 4 nanoparticles for capturing circulating tumor cells and triggering their deaths. Biosens Bioelectron 2023; 235:115367. [PMID: 37187061 DOI: 10.1016/j.bios.2023.115367] [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: 02/21/2023] [Revised: 04/17/2023] [Accepted: 04/28/2023] [Indexed: 05/17/2023]
Abstract
Elimination of circulating tumor cells (CTCs) in the blood can be an effective therapeutic approach to disrupt metastasis. Here, a strategy is proposed to implement flexible wearable electronics and injectable nanomaterials to disrupt the hematogenous transport of CTCs. A flexible device containing an origami magnetic membrane is used to attract Fe3O4@Au nanoparticles (NPs) that are surface modified with specific aptamers and intravenously injected into blood vessels, forming an invisible hand and fishing line/bait configuration to specifically capture CTCs through bonding with aptamers. Thereafter, thinned flexible AlGaAs LEDs in the device offer an average fluence of 15.75 mW mm-2 at a skin penetration depth of 1.5 mm, causing a rapid rise of temperature to 48 °C in the NPs and triggering CTC death in 10 min. The flexible device has been demonstrated for intravascular isolation and enrichment of CTCs with a capture efficiency of 72.31% after 10 cycles in a simulated blood circulation system based on a prosthetic upper limb. The fusion of nanomaterials and flexible electronics reveals an emerging field that utilizes wearable and flexible stimulators to activate biological effects offered by nanomaterials, leading to improved therapeutical effects and postoperative outcomes of diseases.
Collapse
Affiliation(s)
- Ya Li
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China; Center of Flexible Wearable Technology, Institute of Flexible Electronic Technology of Tsinghua, 906 Yatai Road, Jiaxing, 314006, China
| | - Xinyu Liu
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China; Center of Flexible Wearable Technology, Institute of Flexible Electronic Technology of Tsinghua, 906 Yatai Road, Jiaxing, 314006, China
| | - Yingying Zhang
- School of Medical Imaging, Xuzhou Medical University, 209 Tongshan Road, Xuzhou, 221004, China
| | - Ziyue Wu
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China; Center of Flexible Wearable Technology, Institute of Flexible Electronic Technology of Tsinghua, 906 Yatai Road, Jiaxing, 314006, China
| | - Wei Ling
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China; Center of Flexible Wearable Technology, Institute of Flexible Electronic Technology of Tsinghua, 906 Yatai Road, Jiaxing, 314006, China
| | - Xinyu Zhang
- Department of Life Science, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Mingxing Zhou
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China; Center of Flexible Wearable Technology, Institute of Flexible Electronic Technology of Tsinghua, 906 Yatai Road, Jiaxing, 314006, China
| | - M Serdar Onses
- Department of Materials Science and Engineering, Erciyes University, Talas Yolu Melikgazi, Kayseri, 38039, Turkey
| | - Pan Zhou
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China; Center of Flexible Wearable Technology, Institute of Flexible Electronic Technology of Tsinghua, 906 Yatai Road, Jiaxing, 314006, China
| | - Sui Mao
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China; Center of Flexible Wearable Technology, Institute of Flexible Electronic Technology of Tsinghua, 906 Yatai Road, Jiaxing, 314006, China
| | - Wenxing Huo
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China; Center of Flexible Wearable Technology, Institute of Flexible Electronic Technology of Tsinghua, 906 Yatai Road, Jiaxing, 314006, China
| | - Zhenzhen Fan
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Hong Yang
- The Province and Ministry Co-Sponsored Collaborative Innovation Center for Medical Epigenetics, Department of Pharmacology, School of Basic Medical Sciences, School of Biomedical Engineering, Intensive Care Unit, The Second Hospital, Tianjin Medical University, 22 Qixiangtai Road, Tianjin, 300070, China
| | - Hanjie Wang
- Department of Life Science, Tianjin University, 92 Weijin Road, Tianjin, 300072, China.
| | - Xian Huang
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China; Center of Flexible Wearable Technology, Institute of Flexible Electronic Technology of Tsinghua, 906 Yatai Road, Jiaxing, 314006, China; Institute of Wearable Technology and Bioelectronics, Qiantang Science and Technology Innovation Center, 1002 23rd Street, Hangzhou, 310018, China.
| |
Collapse
|
4
|
Yokoi Y. Osteoblast-like Cell Proliferation, ALP Activity and Photocatalytic Activity on Sintered Anatase and Rutile Titanium Dioxide. MATERIALS (BASEL, SWITZERLAND) 2021; 14:4414. [PMID: 34442936 PMCID: PMC8401773 DOI: 10.3390/ma14164414] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 07/29/2021] [Accepted: 08/03/2021] [Indexed: 11/17/2022]
Abstract
This study aimed to create a biomaterial from titanium dioxide (TiO2), which has been known to have photocatalytic and bone formation promoting effects. I expected that anatase titanium dioxide-based implants could promote bone augmentation and induce bone formation. Powdery anatase TiO2 was compression molded and sintered at 700, 800, 900, and 1000 °C to prepare sintered compact samples. X-ray diffraction and scanning electron microscopy were used to observe the surface of these samples. Furthermore, mouse osteoblast-like cells (MC3T3-E1 cell line) were seeded on the samples sintered at different temperatures, and cell proliferation was observed to evaluate the cell proliferation of the samples. The sample sintered at 700 °C was composed of anatase TiO2. The samples sintered at 800 °C and 900 °C were confirmed to consist of a mixture of anatase and rutile TiO2 crystalline phases. Moreover, the sample sintered at 700 and 800 °C, which contained anatase TiO2, showed remarkable photocatalytic activity. Those samples sintered at 1000 °C were transformed to the rutile TiO2. The cell proliferation after 7-14-days culturing revealed that cells cultured on the 700 °C sample decreased in number immediately after initiation of culturing. The cells cultured on TiO2 sintered at 900 °C markedly proliferated over time with an increase in the alkaline phosphatase activity, showing good MC3T3-E1 cell compatibility of the samples. The sample sintered at 1000 °C, which is rutile TiO2, showed the highest increase.
Collapse
Affiliation(s)
- Yukiko Yokoi
- Department of Dental Materials, School of Dentistry, Matsumoto Dental University, 1780 Hiro-Oka Gobara, Shiojiri, Nagano 399-0781, Japan
| |
Collapse
|
5
|
Garcia Diosa JA, Gonzalez Orive A, Weinberger C, Schwiderek S, Knust S, Tiemann M, Grundmeier G, Keller A, Camargo Amado RJ. TiO 2 nanoparticle coatings on glass surfaces for the selective trapping of leukemia cells from peripheral blood. J Biomed Mater Res B Appl Biomater 2021; 109:2142-2153. [PMID: 33982864 DOI: 10.1002/jbm.b.34862] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 04/03/2021] [Accepted: 04/30/2021] [Indexed: 01/15/2023]
Abstract
Photodynamic therapy (PDT) using TiO2 nanoparticles has become an important alternative treatment for different types of cancer due to their high photocatalytic activity and high absorption of UV-A light. To potentiate this treatment, we have coated commercial glass plates with TiO2 nanoparticles prepared by the sol-gel method (TiO2 -m), which exhibit a remarkable selectivity for the irreversible trapping of cancer cells. The physicochemical properties of the deposited TiO2 -m nanoparticle coatings have been characterized by a number of complementary surface-analytical techniques and their interaction with leukemia and healthy blood cells were investigated. Scanning electron and atomic force microscopy verify the formation of a compact layer of TiO2 -m nanoparticles. The particles are predominantly in the anatase phase and have hydroxyl-terminated surfaces as revealed by Raman, X-ray photoelectron, and infrared spectroscopy, as well as X-ray diffraction. We find that lymphoblastic leukemia cells adhere to the TiO2 -m coating and undergo amoeboid-like migration, whereas lymphocytic cells show distinctly weaker interactions with the coating. This evidences the potential of this nanomaterial coating to selectively trap cancer cells and renders it a promising candidate for the development of future prototypes of PDT devices for the treatment of leukemia and other types of cancers with non-adherent cells.
Collapse
Affiliation(s)
| | - Alejandro Gonzalez Orive
- Department of Chemistry, Materials and Nanotechnology Institute, University of La Laguna, Tenerife, Spain
| | | | - Sabrina Schwiderek
- Technical and Macromolecular Chemistry, Paderborn University, Paderborn, Germany
| | - Steffen Knust
- Technical and Macromolecular Chemistry, Paderborn University, Paderborn, Germany
| | - Michael Tiemann
- Inorganic Chemistry, Paderborn University, Paderborn, Germany
| | - Guido Grundmeier
- Technical and Macromolecular Chemistry, Paderborn University, Paderborn, Germany
| | - Adrian Keller
- Technical and Macromolecular Chemistry, Paderborn University, Paderborn, Germany
| | | |
Collapse
|
6
|
Chen HT, Lin HI, Chung CJ, Tang CH, He JL. Osseointegrating and phase-oriented micro-arc-oxidized titanium dioxide bone implants. J Appl Biomater Funct Mater 2021; 19:22808000211006878. [PMID: 33909530 DOI: 10.1177/22808000211006878] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Here, we present a bone implant system of phase-oriented titanium dioxide (TiO2) fabricated by the micro-arc oxidation method (MAO) on β-Ti to facilitate improved osseointegration. This (101) rutile-phase-dominant MAO TiO2 (R-TiO2) is biocompatible due to its high surface roughness, bone-mimetic structure, and preferential crystalline orientation. Furthermore, (101) R-TiO2 possesses active and abundant hydroxyl groups that play a significant role in enhancing hydroxyapatite formation and cell adhesion and promote cell activity leading to osseointegration. The implants had been elicited their favorable cellular behavior in vitro in the previous publications; in addition, they exhibit excellent shear strength and promote bone-implant contact, osteogenesis, and tissue formation in vivo. Hence, it can be concluded that this MAO R-TiO2 bone implant system provides a favorable active surface for efficient osseointegration and is suitable for clinical applications.
Collapse
Affiliation(s)
- Hsien-Te Chen
- Department of Orthopedic Surgery, China Medical University Hospital, Taichung City.,Spine Center, China Medical University Hospital, China Medical University, Taichung City.,Department of Sports Medicine, College of Health Care, China Medical University, Taichung City
| | - Hsin-I Lin
- Department of Materials Science and Engineering, Feng Chia University, Taichung City
| | - Chi-Jen Chung
- Department of Dental Technology and Materials Science, Central Taiwan University of Science and Technology, Taichung City
| | - Chih-Hsin Tang
- Department of Pharmacology, China Medical University, Taichung City
| | - Ju-Liang He
- Department of Materials Science and Engineering, Feng Chia University, Taichung City
| |
Collapse
|
7
|
Awad ME, López-Galindo A, Medarević D, Milenković M, Ibrić S, El-Rahmany MM, Iborra CV. Enhanced antimicrobial activity and physicochemical stability of rapid pyro-fabricated silver-kaolinite nanocomposite. Int J Pharm 2021; 598:120372. [PMID: 33621641 DOI: 10.1016/j.ijpharm.2021.120372] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 01/29/2021] [Accepted: 02/05/2021] [Indexed: 01/05/2023]
Abstract
The present research aims to enhance the antimicrobial activity of kaolinite surfaces by a one-step cost-effective and energy-efficient dry thermal reaction, producing an antibacterial and antifungal silver-kaolinite (Ag-Kao) nanocomposite agent. Pharmaceutical grade kaolin powder samples, with variable kaolinite structural order-disorder degree, were homogeneously mixed with silver nitrate in a proportion 1:4 AgNO3:kaolin (w/w) and sintered at 400 °C for 30 min. The composition, microstructure, microtexture and surface characteristics of the pyro-fabricated nanocomposites were characterized by XRD/XRF diffractometry, differential scanning calorimetry DSC, FT-IR spectroscopy, TEM/EDX, zeta potential (mV) measured within the 2-12 pH range, and BET method. Physicochemical stability was evaluated by silver dissociation testing under close-neutral and acidic conditions with Ag content assay using ICP-OES. The resulting Ag-Kao nanocomposites exhibited bulk silver contents ranging from 9.29% to 13.32% with high physicochemical stability in both neutral and acidic mediums (Ag dissociation rate <0.5% in 5 days). Ag nanocrystals exhibited particle sizes ranging from 5 to 30 nm, which were embedded and reinforced within the kaolinite matrix. The sizes of the Ag nanocrystals and their distribution patterns on the edges and faces of kaolinite platelets were controlled by the structural order-disorder degree. Highly ordered kaolinites (Hinckley Index, HI > 1) produced platelet edge-clustered silver nanocrystals due to the abundance of the dangling hydroxyls on platelet edges, while the highly disordered kaolinite (HI < 1) provided homogeneous platelet basal-doped silver nanocrystals due to the presence of some residual charges by exposed basal hydroxyl groups with interplatelet silver diffusivity. At pH 2, the magnitude of the positive surface charge was influenced by the silver nanocrystal size. Nanocomposites with the smallest silver nanocrystals (10-5 nm) exhibited the highest positive zeta potential (+15.2 mV to +17.0 mV), while those with larger silver nanocrystals (up to 30 nm) indicated lower positive zeta potential values (+9.5 mV to +3.6 mV). Under the same testing conditions using the Mueller-Hinton broth microdilution method, the raw kaolin samples did not show any significant antimicrobial activity, while all the pyro-fabricated Ag-Kao nanocomposite samples showed potent antibacterial and antifungal activity at low doses (MIC range 0.1-0.0125 mg/mL). Therefore, modulation of the effective electrostatic surface charge of the kaolinite platelets, via thermal doping of silver within their basal planes and edges, was found to be strongly dependent on the pH as well as the size and microtexture of the silver nanocrystals (mainly controlled by the order-disorder degree HI). The resulting modified nanostructure, with physicochemical stability and the efficient surface properties of the designed pyro-fabricated nanocomposite, led to an enhanced synergistic biophysical antimicrobial activity.
Collapse
Affiliation(s)
- Mahmoud E Awad
- Department of Geology, Faculty of Science, Al-Azhar University, Nasr City 11884, Cairo, Egypt; Andalusian Institute of Earth Sciences (IACT-CSIC), University of Granada, Spain; Department of Pharmacy and Pharmaceutical Technology, University of Granada, Spain.
| | | | - Djordje Medarević
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Belgrade, Serbia
| | - Marina Milenković
- Department of Microbiology and Immunology, Faculty of Pharmacy, University of Belgrade, Serbia
| | - Svetlana Ibrić
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Belgrade, Serbia
| | - Mahmoud M El-Rahmany
- Department of Geology, Faculty of Science, Al-Azhar University, Nasr City 11884, Cairo, Egypt
| | - César Viseras Iborra
- Andalusian Institute of Earth Sciences (IACT-CSIC), University of Granada, Spain; Department of Pharmacy and Pharmaceutical Technology, University of Granada, Spain
| |
Collapse
|
8
|
Isacfranklin M, Yuvakkumar R, Ravi G, Kumar P, Saravanakumar B, Velauthapillai D, Alahmadi TA, Alharbi SA. Biomedical application of single anatase phase TiO2 nanoparticles with addition of Rambutan (Nephelium lappaceum L.) fruit peel extract. APPLIED NANOSCIENCE 2020. [DOI: 10.1007/s13204-020-01599-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
|
9
|
Dias-Netipanyj MF, Sopchenski L, Gradowski T, Elifio-Esposito S, Popat KC, Soares P. Crystallinity of TiO 2 nanotubes and its effects on fibroblast viability, adhesion, and proliferation. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2020; 31:94. [PMID: 33128627 DOI: 10.1007/s10856-020-06431-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 09/24/2020] [Indexed: 06/11/2023]
Abstract
Titanium and titanium alloys are widely used as a biomaterial due to their mechanical strength, corrosion resistance, low elastic modulus, and excellent biocompatibility. TiO2 nanotubes have excellent bioactivity, stimulating the adhesion, proliferation of fibroblasts and adipose-derived stem cells, production of alkaline phosphatase by osteoblasts, platelets activation, growth of neural cells and adhesion, spreading, growth, and differentiation of rat bone marrow mesenchymal stem cells. In this study, we investigated the functionality of fibroblast on titania nanotube layers annealed at different temperatures. The titania nanotube layer was fabricated by potentiostatic anodization of titanium, then annealed at 300, 530, and 630 °C for 5 h. The resulting nanotube layer was characterized using SEM (Scanning Electron Microscopy), TF-XRD (Thin-film X-ray diffraction), and contact angle goniometry. Fibroblasts viability was determined by the CellTiter-Blue method and cytotoxicity by Lactate Dehydrogenase test, and the cell morphology was analyzed by scanning electron microscopy. Also, cell adherence, proliferation, and morphology were analyzed by fluorescence microscopy. The results indicate that the modification in nanotube crystallinity may provide a favorable surface fibroblast growth, especially on substrates annealed at 530 and 630 °C, indicating that these properties provide a favorable template for biomedical implants.
Collapse
Affiliation(s)
- Marcela Ferreira Dias-Netipanyj
- Graduate Program in Health Science, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba, Paraná, Brazil
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO, USA
| | - Luciane Sopchenski
- Department of Mechanical Engineering, Polytechnic School, Pontifícia Universidade Católica do Paraná, Curitiba, Paraná, Brazil
| | - Thatyanne Gradowski
- Graduate Program in Health Science, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba, Paraná, Brazil
| | - Selene Elifio-Esposito
- Graduate Program in Health Science, School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba, Paraná, Brazil
| | - Ketul C Popat
- School of Biomedical Engineering, Colorado State University, Fort Collins, CO, USA
- Department of Mechanical Engineering, Colorado State University, Fort Collins, CO, USA
| | - Paulo Soares
- Department of Mechanical Engineering, Polytechnic School, Pontifícia Universidade Católica do Paraná, Curitiba, Paraná, Brazil.
| |
Collapse
|
10
|
Skubalova Z, Michalkova H, Michalek P, Strmiska V, Guran R, Merlos Rodrigo MA, Castkova K, Hynek D, Pekarik V, Zitka O, Adam V, Heger Z. Prevalent anatase crystalline phase increases the cytotoxicity of biphasic titanium dioxide nanoparticles in mammalian cells. Colloids Surf B Biointerfaces 2019; 182:110391. [DOI: 10.1016/j.colsurfb.2019.110391] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 07/01/2019] [Accepted: 07/23/2019] [Indexed: 11/28/2022]
|
11
|
Khokhlova M, Dykas M, Krishnan-Kutty V, Patra A, Venkatesan T, Prellier W. Oxide thin films as bioactive coatings. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2019; 31:033001. [PMID: 30523972 DOI: 10.1088/1361-648x/aaefbc] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Growth and survival of biological cells (eukaryotes and prokaryotes) on artificial environments often depend on their interactions with the specific surface. Various organic materials can be coated on substrates to assist cells' adhesion and other subsequent cellular processes. However, these coatings are expensive, degrade over short time period, and may even interfere with the cells' signaling processes. Therefore, the use of inorganic surfaces in order to control cellular interactions is of scientific importance from fundamental and application perspectives. Among inorganic materials, oxide thin films have received considerable attention. Thin films of oxides have the advantage of tailoring the surfaces for cellular interactions while using a negligible amount of the oxide material. Here, we review the lesser known application of inorganic oxide coatings as biocompatible and implantable platforms for different purposes, such as biofilm inhibition, cell culture and implant enhancements.
Collapse
Affiliation(s)
- M Khokhlova
- Laboratoire CRISMAT, CNRS UMR 6508, ENSICAEN, Normandie Université, 6 Bd Maréchal Juin, F-14050 Caen Cedex 4, France
| | | | | | | | | | | |
Collapse
|
12
|
Ling W, Liew G, Li Y, Hao Y, Pan H, Wang H, Ning B, Xu H, Huang X. Materials and Techniques for Implantable Nutrient Sensing Using Flexible Sensors Integrated with Metal-Organic Frameworks. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1800917. [PMID: 29633379 DOI: 10.1002/adma.201800917] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 03/02/2018] [Indexed: 06/08/2023]
Abstract
The combination of novel materials with flexible electronic technology may yield new concepts of flexible electronic devices that effectively detect various biological chemicals to facilitate understanding of biological processes and conduct health monitoring. This paper demonstrates single- or multichannel implantable flexible sensors that are surface modified with conductive metal-organic frameworks (MOFs) such as copper-MOF and cobalt-MOF with large surface area, high porosity, and tunable catalysis capability. The sensors can monitor important nutriments such as ascorbicacid, glycine, l-tryptophan (l-Trp), and glucose with detection resolutions of 14.97, 0.71, 4.14, and 54.60 × 10-6 m, respectively. In addition, they offer sensing capability even under extreme deformation and complex surrounding environment with continuous monitoring capability for 20 d due to minimized use of biological active chemicals. Experiments using live cells and animals indicate that the MOF-modified sensors are biologically safe to cells, and can detect l-Trp in blood and interstitial fluid. This work represents the first effort in integrating MOFs with flexible sensors to achieve highly specific and sensitive implantable electrochemical detection and may inspire appearance of more flexible electronic devices with enhanced capability in sensing, energy storage, and catalysis using various properties of MOFs.
Collapse
Affiliation(s)
- Wei Ling
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Guoguang Liew
- Department of Mechatronics and Biomedical Engineering, Universiti Tunku Abdul Rahman, Cheras, 43000, Kajang, Selangor, Malaysia
| | - Ya Li
- Tianjin Institute of Environmental & Operational Medicine, 1 Dali Road, Tianjin, 300050, China
| | - Yafeng Hao
- Department of Life Science, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Huizhuo Pan
- Department of Life Science, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Hanjie Wang
- Department of Life Science, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Baoan Ning
- Tianjin Institute of Environmental & Operational Medicine, 1 Dali Road, Tianjin, 300050, China
| | - Hang Xu
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Xian Huang
- Department of Biomedical Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| |
Collapse
|
13
|
Kurniawan A, Effendi C, Wang MJ. Electrospun titania fiber mats spin coated with thin polymer films as nanofibrous scaffolds for enhanced cell proliferation. J Tissue Eng Regen Med 2017; 12:1111-1122. [PMID: 29134783 DOI: 10.1002/term.2611] [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: 05/01/2017] [Revised: 10/03/2017] [Accepted: 10/28/2017] [Indexed: 11/07/2022]
Abstract
The incorporation of inorganic materials into electrospun nanofibres has recently gained considerable attention for the development of extracellular matrix-like scaffolds with improved mechanical properties and enhanced biological functions for tissue engineering applications. In this study, polymer-inorganic composite fibres consisting of poly(2-ethyl-2-oxazoline) (PEOXA) and tetrabutyl titanate as the titanium precursor were successfully fabricated through a combined sol-gel/electrospinning approach. PEOXA/Ti(OR)n composite fibres were obtained with varying amounts of polymer and titanium precursors. Calcinations of the composite fibres were performed at varying temperatures to produce TiO2 fibres (TiO2 -T-60) with anatase, anatase/rutile mixed phase, and rutile crystal structures. Thin polymer films (i.e., poly(2-ethyl-2-oxazoline) (PEOXA), polycaprolactone (PCL), and poly(methyl methacrylate) (PMMA)) were subsequently deposited onto TiO2 -T-60 fibre mats by spin coating to facilitate handling of the electrospun substrates after calcination, which are rather brittle and disintegrate easily, and to probe cell-materials interactions. The cellular behaviour of mouse L929 fibroblasts after culture periods of 1-5 days was compared on the following fibre scaffolds: PEOXA/Ti(OR)n , TiO2 -T-60 (T = 600, 650, and 700 °C), TiO2 -T-60 spin-coated with thin PCL film (PCL/TiO2 -T-60), and pure PCL. The results obtained from in vitro cell culture studies for the lactate dehydrogenase release assay and confocal microscopic visualization pointed out the synergistic interplay between the TiO2 crystal structure and spin-coated PCL film in facilitating cell interactions with the scaffold surface. The L929 cells were observed to adhere and proliferate better on the surface of TiO2 -700-60 having the rutile structure than on the surfaces of TiO2 -600-60 and TiO2 -650-60 fibre scaffolds with anatase and anatase/rutile mixed phase structures, respectively.
Collapse
Affiliation(s)
- Alfin Kurniawan
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
| | - Chintya Effendi
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
| | - Meng-Jiy Wang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
| |
Collapse
|
14
|
Mohseni-Salehi MS, Taheri-Nassaj E, Hosseini-Zori M. Study on cytotoxicity and photocatalytic properties of different titania/hydroxyapatite nanocomposites prepared with a combination of sol–gel and precipitation methods. RESEARCH ON CHEMICAL INTERMEDIATES 2017. [DOI: 10.1007/s11164-017-3208-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|