Carbon Nanomaterials for Electro-Active Structures: A Review
Abstract
:1. Introduction
2. Carbon Nanomaterials for Electro-Active Scaffolds
2.1. Graphene
2.1.1. Electrical Properties
2.1.2. Materials Synthesis
- Adsorption and catalytic decomposition of precursor gas.
- Diffusion and dissolution of decomposed carbon species on the surface and into the bulk metal.
- Segregation of dissolved carbon atoms onto the metal surface.
- Surface nucleation and growth of graphene.
2.1.3. Tissue Engineering Applications
2.2. Carbon Nanotubes
2.2.1. Electrical Properties
2.2.2. Materials Synthesis
2.2.3. Tissue Engineering Applications
3. Conclusions and Future Perspectives
Author Contributions
Funding
Conflicts of Interest
References
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Methods | Working Principle |
---|---|
Material extrusion | An additive manufacturing process in which polymers or polymer-based composites in the form of pellets or filaments are melted and selectively dispensed trough a nozzle or orifice |
Material jetting | Polymeric droplets or bioinks (hydrogels containing cells and growth factors) are selectively deposited |
Binder jetting | An additive manufacturing process in which a liquid binding material (e.g., colloidal system) is selectively deposited to join powder materials |
Vat photopolymerization | An additive manufacturing process in which a liquid photopolymer is polymerized or cured (transition from liquid to solid), using a light source (laser or lamp) |
Powder bed fusion | An additive manufacturing technique in which thermal energy from a laser or an electron beam is used to fuse in a selective way material in a powder form |
Directed energy deposition | A technique in which focused thermal energy is used to fuse materials as the material is being deposited |
Sheet lamination | Sheets of materials (e.g., paper, polymers, ceramics and metals) are cut and bonded together, to form a 3D object |
Electro-Active Structures | Electrical Stimulation Settings | Cell Line | Outcome | Reference |
---|---|---|---|---|
Cellulose/graphene scaffold | 100 mV/mm of DC for 1 h/day | Human adipose stem cells | Increased proliferation, mineral deposition and ALP expression | Li et al., 2020 [123] |
Reduced graphene oxide-coated ApF/poly(l-lactide-co-ε-caprolactone) scaffold | 100 mV/cm for 1 h/day | SCs and PC12 cells | Promoted SC migration, proliferation, myelin gene expression, neurotrophin secretion and induced PC12 cell differentiation | Wang et al., 2019 [124] |
Polypyrrole/graphene nanofibrous scaffold | Forward potential varied from 0.1 to 1 V/cm while reverse potential changed from −0.1 to −1 V/cm | Retinal ganglion cells | led to 137% improvement in cell length with a significantly enhanced antiaging effect for RGCs | Yan et al., 2016 [125] |
Graphene scaffold | Square waveform with 1 Hz and 10 μA for 30 min/day | Human Rett-derived neuronal progenitor cells | Improved cell maturation | Nguyen et al., 2018 [126] |
Graphene membrane | Intensity of 100 mV/mm with 1 ms duration at 10 or 1 Hz | PC-12 nerve Cell | Promoted neurite extension and length growth | Meng et al., 2014 [127] |
Graphene membrane | Pulse of 15 V, duration 50–100 ms | C2C12 Myoblasts | High degree of myogenic differentiation | Bajaj et al., 2014 [128] |
Bacterial Cellulose/Poly(3,4-ethylenedioxythiophene) (PEDOT)/GO membrane | 0.5 V cm−1 for 1–100 ms lower than 0.6 V | PC12 neural cells | Promoted cell orientation and development of PC12 cells | Chen et al., 2016 [129] |
Graphene-based membrane | 8 V at 1 Hz with 10 ms duration | Mouse C2C12 myoblast cells | Enhanced differentiation of skeletal muscle cells | Ahadian et al., 2014 [130] |
Methoxy PEG/rGO membrane | 1–100 ms monophasic anodic pulses, 10 s duration, 0.6 V pulse potential | PC12 neural cells | Predominant increase in cell percentage with higher action potentials | Zhang et al., 2014 [131] |
Poly(lactic-co-glycolic acid) (PLGA)/GO membrane | 100 mV at 20, 100 and 500 Hz for 1 h/day | Neural stem cells | Promoted proliferation, differentiation and neurite elongation in NSCs | Fu et al., 2019 [132] |
Rolled GO foam | 100 ms cathodic voltage pulses | Human neural stem cells | More proliferation of hNSCs and their accelerated differentiation into neurons | Akhavan et al., 2016 [133] |
Graphene-based foam | −0.2–0.8 V, 1–100 ms monophasic cathodic pulses at 10 s intervals, 20–30 μA threshold | Neural stem cell | Supported cell growth and enhanced differentiation to neurons than astrocytes | Li et al., 2013 [134] |
Graphene-based substrate | 0.3 V at 1 Hz | Human mesenchymal stem cells | Did not create a cytotoxic environment | Balikov et al., 2016 [135] |
Graphene-based substrate | 100 mV at 50 Hz for 10 min/day | Mesenchymal stem cells | Transdifferentiation of MSCs to SC-like phenotypes solely without the need for additional chemical growth factors | Das et al., 2017 [136] |
Graphene/polyacrylamide hydrogel membrane | 5 V with 10 ms duration at 1 Hz for 4 h/day | Mouse C2C12 myoblast cells | Increased myogenic gene expression levels of myoblasts | Jo et al., 2017 [137] |
CS/oxidized hydroxyethyl cellulose/rGO/asiaticoside liposome-based hydrogel membrane | 250 mV for 8 h | RSC 96 cells, PC12 cells, NIH/3 T3 cells | Promoted nerve regeneration | Zheng et al., 2019 [138] |
Graphene crosslinked collagen cryogel membrane | 1 V for 5 min at 0.20 V/mm | BM-MSCs | Promoted proliferation of cells, aiding neural connections establishment, increase immune-modulatory secretions | Agarwal et al., 2021 [139] |
Electro-Active Structures | Electrical Stimulation Settings | Cell Line | Outcome | Reference |
---|---|---|---|---|
Polylactic acid (PLA)/MWCNT scaffold | DC: 100 μA (4 h/day, 6 days) | Osteoblasts | Proliferation and elongation along the current direction | Shao et al., 2011 [183] |
PEGDA/MWCNT scaffold | 100, 500 and 1000 µA at 100 Hz for 100 µs | Neural stem cells | Higher TUJ1 and GFAP expression | Lee et al., 2018 [204] |
PLGA/MWCNT scaffold | 40 mV rectangular pulse for 30 min | PC12 and Schwann cells | Promoted the growth and myelination of Schwann cells | Wang et al., 2018 [205] |
PCL/CNT scaffold | 5 V cm−1 for 5 ms duration at 1 Hz every 4 days | Human Mesenchymal Stem Cells | Rapid morphological changes and expressed cardiac genes | Crowder et al., 2013 [184] |
124 polymer/CNT scaffold | 2-ms pulses of 0–0.1 V at 1 Hz | Neonatal rat heart tissue | Improved tissue maturity | Ahadian et al., 2017 [206] |
Polyvinyl acetate/Chitosan/CNT scaffold | 5 mV·cm−1 in a frequency of 1Hz for 5days at 37 °C | Undifferentiated mesenchymal stem cells | Enhanced the adherence of MSCs | Mombini et al., 2019 [207] |
PLA/CNT nanofiber scaffold | 0.15 V/cm for 2 ms duration at 1 Hz | Mesenchymal stem cell | Increased protein expression of cardiac-associated markers | Mooney et al., 2012 [208] |
ssDNA bound CNT scaffold | 0, 50, 100, 200, 300 and 600 mV/mm at 20 Hz | MC3T3 pre-osteoblast cells | Robust cellular filaments and strong focal adhesions sites around cell edges | Liu et al., 2020 [209] |
Polycaprolactone fumarate/CNT scaffold | 100 mV mm−1 at 20 Hz for 2 h/day | PC-12 cell | Enhanced cell proliferation, cell migration and formation of intracellular connections | Zhou et al., 2018 [210] |
Phosphate glass microfibers/CNT scaffold | 5 mA at 1 Hz for 1 ms duration | PC12 and DRG cells | Can support nerve regeneration | Ahn et al., 2015 [211] |
PCL/CNT scaffold | 55 ± 8 mV cm−1 at 60 Hz for 30 min/day | Osteoblast-like cells (MG63) | Promoted bone mineralization | Jin et al., 2013 [212] |
MWCNT scaffold | 200 μs pulses of 1–50 V at 40 s intervals | Neurons | Neurite regrowth in spinal explants is favored | Alessandra et al., 2012 [213] |
Regenerated bacterial cellulose/polypyrrole/CNT hydrogel membrane | 10 μA for 60 min/day | Mouse embryo fibroblast | Improved cell proliferation | Wang et al., 2019 [214] |
Poly-L-lactide/CNT substrate | AC: 10 mA (10 Hz, 6 h/day) | Osteoblasts | 46% increase in cell proliferation after 2 days | Supronowicz et al., 2002 [215] |
PEDOT/CNT substrate | −0.9–0.5 V at scan rate of 100 mV s−1 followed by 0.30 mC cm−2 at 50 Hz | NB-39-Nu human Neuroblastoma | Higher cell proliferation and longer neurite lengths | Depan and Misra, 2014 [216] |
PCL/CNT membrane | 750 mV, 100 Hz AC for 30 min daily for 3 to 6 days | PC12 cells | Induced neural differentiation | Su and Shih, 2015 [217] |
Nerve growth factor/collagen/CNT membrane | 500 mV, using Ag/AgCl electrodes | PC 12 cells | Massive release of NGF consequently supporting neurite sprouting and growth | Cho and Borgens, 2013 [218] |
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Wang, W.; Hou, Y.; Martinez, D.; Kurniawan, D.; Chiang, W.-H.; Bartolo, P. Carbon Nanomaterials for Electro-Active Structures: A Review. Polymers 2020, 12, 2946. https://doi.org/10.3390/polym12122946
Wang W, Hou Y, Martinez D, Kurniawan D, Chiang W-H, Bartolo P. Carbon Nanomaterials for Electro-Active Structures: A Review. Polymers. 2020; 12(12):2946. https://doi.org/10.3390/polym12122946
Chicago/Turabian StyleWang, Weiguang, Yanhao Hou, Dean Martinez, Darwin Kurniawan, Wei-Hung Chiang, and Paulo Bartolo. 2020. "Carbon Nanomaterials for Electro-Active Structures: A Review" Polymers 12, no. 12: 2946. https://doi.org/10.3390/polym12122946