Rolandi Research Group

Rolandi Research Group Materials Science and Engineering Research Group Our research focuses on inorganic, organic, and biological nanoscale materials and their assemblies.

We develop novel approaches to nanostructures with well-defined size, geometry, and placement. From direct-write to self-assembly, we merge traditional semiconductor fabrication with biological materials to integrate novel electronic (and ionic) devices. These devices are the focus of nanoscale electronic (and ionic) conductivity studies. Potential applications include hybrid electronics, biological transistors, and cell based sensors.

Erik and Yingxin's latest paper "Two-Terminal ProtonicDevices with Synaptic-Like Short-Term Depression and Device Memory...
05/02/2014

Erik and Yingxin's latest paper "Two-Terminal Protonic
Devices with Synaptic-Like Short-Term Depression and Device Memory" is published online in Advanced Materials
http://onlinelibrary.wiley.com/doi/10.1002/adma.201400320/abstract

Josberger, E. E., Deng, Y., Sun, W., Kautz, R. and Rolandi, M. (2014), Two-Terminal Protonic Devices with Synaptic-Like Short-Term Depression and Device Memory. Adv. Mater.. doi: 10.1002/adma.201400320

Pegah's paper on mechanical properties of chitin nanofiber networks is accepted for publication in Journal of Materials ...
12/10/2013

Pegah's paper on mechanical properties of chitin nanofiber networks is accepted for publication in Journal of Materials Chemistry B! Congratulations Pegah and thanks to our collaborators in the Cross group at Trinity College Dublin for the great contributions.
http://pubs.rsc.org/en/content/articlelanding/2013/tb/c3tb21550d #!divAbstract

Chitin nanofibers are structural components of the insect cuticle, the exoskeleton of crabs, and mollusk shells. Chitin nanofibers have found broad use in biomedical applications. Here, we study structure–properties–processing relationships of 3 nm chitin nanofiber networks self-assembled from a chi...

10/22/2013

Yingxin's paper on "H+ -type and OH− -type biological protonic semiconductors and complementary devices" is published online at Scientific Reports: http://www.nature.com/srep/2013/131003/srep02481/full/srep02481.html

Proton conduction is essential in biological systems. Oxidative phosphorylation in mitochondria, proton pumping in bacteriorhodopsin, and uncoupling membrane potentials by the antibiotic Gramicidin are examples. In these systems, H+ hop along chains of hydrogen bonds between water molecules and hydr...

Jungho's paper with our collaborators at IDRI on "Chitin Microneedles for an Easy-to-Use Tuberculosis Skin Test" is publ...
08/26/2013

Jungho's paper with our collaborators at IDRI on "Chitin Microneedles for an Easy-to-Use Tuberculosis Skin Test" is published online at Advanced Healthcare Materials: http://onlinelibrary.wiley.com/doi/10.1002/adhm.201300185/abstract

Jin, J., Reese, V., Coler, R., Carter, D. and Rolandi, M. (2013), Chitin Microneedles for an Easy-to-Use Tuberculosis Skin Test. Advanced Healthcare Materials. doi: 10.1002/adhm.201300185

Our chitin-silk biocomposite in collaboration with the Omenetto team is featured on the cover (back) of Advanced Materia...
08/26/2013

Our chitin-silk biocomposite in collaboration with the Omenetto team is featured on the cover (back) of Advanced Materials (32/2013): http://onlinelibrary.wiley.com/doi/10.1002/adma.201370201/abstract

Jin, J., Hassanzadeh, P., Perotto, G., Sun, W., Brenckle, M. A., Kaplan, D., Omenetto, F. G. and Rolandi, M. (2013), Biomimetics: A Biomimetic Composite from Solution Self-Assembly of Chitin Nanofibers in a Silk Fibroin Matrix (Adv. Mater. 32/2013). Adv. Mater., 25: 4528. doi: 10.1002/adma.201370201

Pegah's paper on "Chitin Nanofiber Micropatterned Flexible Substrates for Tissue Engineering" in collaboration with Ali ...
08/07/2013

Pegah's paper on "Chitin Nanofiber Micropatterned Flexible Substrates for Tissue Engineering" in collaboration with Ali Khademhosseini and his group is featured on the front cover of the Journal of Materials Chemistry B http://pubs.rsc.org/en/journals/journalissues/tb #!issueid=tb001034&type=current&issnprint=2050-750x.

Materials for biology and medicine

08/05/2013

We have received funding from the Department of Energy BES Biomolecular Materials Program to study "Integrating Rhodopsins in H+-FETs for bioinspired energy conversion". We look forward to working on this project with our collaborator Francois Baneyx (UW ChemE).

07/10/2013

Our latest paper on "Chitin Nanofiber Micropatterned Flexible Substrates for Tissue Engineering" in collaboration with Ali Khademhosseini and his group is now online at Journal of Materials Chemistry B. http://pubs.rsc.org/en/content/articlelanding/2013/tb/c3tb20782j

Engineered tissues require enhanced organization of cells and extracellular matrix (ECM) for proper function. To promote cell organization, substrates with controlled micro- and nanopatterns have been developed as supports for cell growth, and to induce cellular elongation and orientation via contac...

06/24/2013

Our latest paper with the Omenetto group (TUFTS) on chitin-silk self-assembled nanofiber biocomposites is now online at Advanced Materials. Congratulations everybody!
http://dx.doi.org/10.1002/adma.201301429

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Materials Science And Engineering, University Of
Seattle, WA
98105

Telephone

+12062210309

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