Nanoparticle Bioink
Nanoparticle Bioink - Related Videos
08:34
Bioprinting Cellularized Constructs Using a Tissue-specific Hydrogel Bioink
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Cited by 59 •
2016
We describe a set of protocols that together provide a tissue-mimicking hydrogel bioink with which functional and viable 3-D tissue constructs can be bioprinted for use in in vitro screening applications.
09:23
Harmonic Nanoparticles for Regenerative Research
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Cited by 1 •
2014
Protocol details are provided for in vitro labeling human embryonic stem cells with second harmonic generating nanoparticles. Methodologies for hESC investigation by multi-photon microscopy and their differentiation into cardiac clusters are also presented.
13:39
Optical Trapping of Nanoparticles
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Cited by 7 •
2013
The following setup approach details low power optical trapping of dielectric nanoparticles using a double-nanohole in metal film.
07:40
Production of Metal Nanoparticles by Pulsed Laser-ablation in Liquids: A Tool for Studying the Antibacterial Properties of Nanoparticles
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Cited by 14 •
2017
The antimicrobial properties of metals such as copper and silver have been recognized for centuries. This protocol describes pulsed laser-ablation in liquids, a method of synthesizing metal nanoparticles that provides the ability to fine tune the properties of these nanoparticles to optimize their antimicrobial effects.
08:51
Evaluation of Polymeric Gene Delivery Nanoparticles by Nanoparticle Tracking Analysis and High-throughput Flow Cytometry
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Cited by 9 •
2013
A protocol for nanoparticle tracking analysis (NTA) and high-throughput flow cytometry to evaluate polymeric gene delivery nanoparticles is described. NTA is utilized to characterize the nanoparticle particle size distribution and the plasmid per particle distribution. High-throughput flow cytometry enables quantitative transfection efficacy evaluation for a library of gene delivery biomaterials.
FAQs
The material must flow through the nozzle during deposition and then stabilize after placement. Crosslinking or gelation provides this transition from a mobile formulation to a structured construct. The balance matters because flow enables controlled patterning, whereas subsequent stabilization helps the printed geometry retain its intended form within a three-dimensional biological construct.
Dispersed nanoparticles can alter several functional characteristics of the hydrogel, including viscosity, mechanical strength, conductivity, degradation, and local delivery of bioactive molecules. These changes allow the formulation to be tuned for different construct requirements. In bioengineering, such control can help match the physical and biochemical environment to the intended tissue model or scaffold.
Nanoparticle incorporation links material design at the nanoscale with the larger-scale patterning produced by bioprinting. By changing local physical or biochemical properties, the formulation can create environments that better guide cell behavior and tissue formation. This connection is important when a construct must provide both a defined architecture and a biologically instructive setting.
Structural fidelity can benefit from the interaction between controlled deposition and nanoparticle-adjusted material properties. The hydrogel provides a printable matrix, while nanoparticles can modify viscosity and mechanical strength before or after stabilization. These changes may help the printed construct maintain its designed three-dimensional pattern, supporting more consistent tissue models and engineered structures.
A basic workflow begins by combining nanoparticles with a cell-compatible hydrogel, followed by dispensing the formulation through a nozzle to create the desired three-dimensional pattern. After deposition, crosslinking or gelation stabilizes the printed material. The resulting construct can then serve as a tissue model, scaffold, or other engineered biological structure with selected material properties.
Preparation centers on two material components: a cell-compatible hydrogel and dispersed nanoparticles. Their combination determines how the formulation behaves during printing and after stabilization. Researchers should consider whether the resulting bioink provides the desired viscosity, mechanical strength, conductivity, degradation profile, or local bioactive-molecule delivery for the intended construct.
This approach is useful when researchers need three-dimensional biological constructs with tunable physical and biochemical properties. Applications described for the material include tissue models, scaffolds, and engineered constructs. Its value comes from combining controlled spatial patterning with nanoparticle-enabled adjustments, allowing the printed environment to better support studies of cell behavior and tissue formation.