Polystyrene Substrates
Polystyrene Substrates - Related Videos
11:09
Grafting Multiwalled Carbon Nanotubes with Polystyrene to Enable Self-Assembly and Anisotropic Patchiness
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Cited by 5 •
2018
A procedure for the synthesis of polystyrene-grafted multiwalled carbon nanotubes using successive chemical modification steps to selectively introduce the polymer chains to the sidewalls and their self-assembly via anisotropic patchiness is presented.
08:59
Defining Substrate Specificities for Lipase and Phospholipase Candidates
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Cited by 10 •
2016
Many predicted (phospho)lipases are poorly characterized with regard to their substrate specificities and physiological functions. Here we provide a protocol to optimize enzyme activities, search for natural substrates, and propose physiological functions for these enzymes.
09:02
Using Polystyrene-block-poly(acrylic acid)-coated Metal Nanoparticles as Monomers for Their Homo- and Co-polymerization
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Cited by 1 •
2015
We report protocols for “polymerizing” various types of polymer-encapsulated metal nanoparticles into long chains of “homo-“ and “co-polymers”.
11:13
Identification of Kinase-substrate Pairs Using High Throughput Screening
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Cited by 1 •
2015
Protein phosphorylation is a central feature of how cells interpret and respond to information in their extracellular milieu. Here, we present a high throughput screening protocol using kinases purified from mammalian cells to rapidly identify kinases that phosphorylate a substrate(s) of interest.
09:28
Isolation of Primary Human Colon Tumor Cells from Surgical Tissues and Culturing Them Directly on Soft Elastic Substrates for Traction Cytometry
0 Views •
Cited by 11 •
2015
A protocol is described to extract primary human cells from surgical colon tumor and normal tissues. The isolated cells are then cultured on soft elastic substrates (polyacrylamide hydrogels) functionalized by an extracellular matrix protein, and embedded with fluorescent microbeads. Traction cytometry is performed to assess cellular contractile stresses.
FAQs
Protein adsorption changes the interface that cells encounter. Because polystyrene can adsorb proteins, researchers can use that property to present biomolecular cues at the surface rather than treating the material as an inert support. In bioengineering studies, this helps connect surface composition with cell adhesion and spreading, making adsorption relevant when comparing substrate formulations or engineered coatings.
Plasma oxidation alters the surface of polystyrene by increasing wettability. A more wettable interface can promote cell attachment, providing a way to tune cellular interactions without changing the substrate’s broader role as a laboratory support. This treatment is useful when researchers need to examine how surface condition influences attachment, subsequent spreading, or differences in cell behavior.
Stiffness, roughness, and chemical functionality provide separate design variables for controlling the cell-facing environment. Adjusting them can create more controlled conditions for studying adhesion, spreading, proliferation, and differentiation, rather than attributing every response to the polymer alone. This tunability is useful in bioengineering experiments that compare material designs or investigate how engineered surfaces influence cellular behavior.
A practical workflow starts by choosing a polystyrene format that matches the intended system, such as a tissue-culture plate, microfluidic device, biosensor, or three-dimensional culture platform. Researchers can then apply plasma oxidation or adjust design variables such as stiffness, roughness, and chemical functionality. Cell responses can be examined through adhesion, spreading, proliferation, or differentiation.
Their optical clarity and tunable surface chemistry support integration into platforms where both surface interactions and observation are important. In microfluidic devices and biosensors, researchers can modify the polymer interface to influence biomolecule or cell interactions while retaining a suitable solid base. These properties help connect material design with diagnostic measurements and engineered biological systems.
They are valuable when researchers need controlled environments for studying cell behavior, screening biomaterials, or developing diagnostic and regenerative medicine technologies. Surface properties can be varied to examine effects on adhesion, spreading, proliferation, and differentiation. This makes the material useful not only for routine culture formats but also for testing how engineered environments may influence biological outcomes.