Bioink Solution
Bioink Solution - 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.
10:17
Preparation and Characterization of Graphene-Based 3D Biohybrid Hydrogel Bioink for Peripheral Neuroengineering
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Cited by 7 •
2022
In this manuscript, we demonstrate the preparation of a biohybrid hydrogel bioink containing graphene for use in peripheral tissue engineering. Using this 3D biohybrid material, the neural differentiation protocol of stem cells is performed. This can be an important step in bringing similar biomaterials to the clinic.
02:24
Ideal Solutions
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2020
According to Raoult’s law, the partial vapor pressure of a solvent in a solution is equal or identical to the vapor pressure of the pure solvent multiplied by its mole fraction in the solution. However, Raoult's Law is only valid for ideal solutions. For a solution to be ideal, the solvent-solute interaction must be just as strong as a solvent-solvent or solute-solute interaction. This suggests that both the solute and the solvent would use the same amount of energy to escape to the vapor phase...
07:27
Making Solutions in the Laboratory
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2023
The ability to successfully make solutions is a basic laboratory skill performed in virtually all biological and chemical experiments. A solution is a homogenous mixture of solute dissolved in bulk liquid known as the solvent. Solutions can be described by their solute concentration, a measure of how much solute is present per unit of solution. In this video, a step-by-step procedure for how to make a water-based, or aqueous, solution for biological applications is presented. The video...
09:49
Solutions and Concentrations
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2023
Source: Laboratory of Dr. Michael Evans — Georgia Institute of Technology A solution is a homogeneous mixture containing some components in small amounts, called solutes, and one component in a large amount, called the solvent. Solid-liquid solutions contain one or more solid solutes dissolved in a liquid solvent. Solutions are ubiquitous in chemistry: they are used to store and handle small amounts of material, carry out chemical reactions, and develop materials with controllable properties.
FAQs
Crosslinking stabilizes the deposited material after it has been patterned, helping the construct retain its three-dimensional organization. It may occur through physical or chemical mechanisms, and its role is to keep cells and supporting materials positioned within the engineered structure. In neural models, this stabilization is important because spatial organization helps reproduce aspects of the cellular environment surrounding neurons.
Cell placement depends on the controlled pattern in which the solution is deposited. The printing process establishes the spatial arrangement of cells and supporting materials before stabilization fixes that organization. This ability to place components in defined three-dimensional patterns allows researchers to construct brain-like tissues and neural networks in ways that are not readily represented by conventional two-dimensional cultures.
Three-dimensional constructs provide a spatially organized setting that more closely mimics aspects of native tissue than a flat culture. This added organization can support investigations of neural development, disease mechanisms, and drug responses in a more physiologically relevant platform. The value lies in modeling the surrounding cellular environment and tissue architecture together, rather than examining neural cells only in two dimensions.
Supporting materials help reproduce aspects of the cellular environment in which neurons function, while the cells provide the biological component of the model. Positioning both within the same printed construct can create brain-like tissues or neural networks with organized cell-material relationships. This combined arrangement is relevant when researchers study how neural systems develop, respond to disease-related conditions, or react to drugs.
A basic workflow begins with depositing the cell-compatible formulation in a controlled pattern, followed by stabilization through physical or chemical crosslinking. The resulting construct keeps cells and supporting materials positioned in three dimensions. Researchers can then use the engineered tissue or network as a model for neural development, disease mechanisms, drug responses, or tissue repair, depending on the study objective.
Within neuroscience, the approach can be directed toward brain-like tissues, neural networks, or models of the cellular environment surrounding neurons. These are not interchangeable outcomes: each emphasizes a different aspect of neural organization or context. Selecting among them allows experiments to focus on development, disease mechanisms, responses to drugs, or tissue repair questions.
These constructs provide a three-dimensional setting in which cells and supporting materials remain organized, making them relevant to studies of tissue repair. Their value is not limited to observing neural structures; the same engineered platforms can be used to examine how neural tissue is modeled for repair-related investigations. This extends biofabrication from disease and drug studies toward tissue repair research in neuroscience.