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The 868th IMS colloquium

Lecture Title "Biosensing with a Twist: Detection and Characterization of Biomaterials with Sculpted EM Fields"
Date Wednesday 1 April 2015 16:00
Lecturer Prof. Malcolm Kadodwala (School of Chemistry, Glasgow University)
Place

Institute for Molecular Scienca, Research Building, Seminar Room#201
Summary

Sculpted electromagnetic (EM) fields created by artificially engineered metamaterials provide a route to new spectroscopic phenomena [1-3].  Thus enabling novel measurements, such as < picogram characterisation of the structure of biological materials [1], which would be impossible with conventional spectroscopic techniques.  The scope for these new spectroscopic phenomena to make a significant impact as: generic research tools; medical diagnostics; or as biosensing platforms, is limited.  Due to the fact that the metamaterials, which are formed from periodic arrays of individual (noble metal) nanostructures, are fabricated using electron beam lithography a costly time consuming production method.  I present a new type of plasmonic nanomaterial, a continuous gold film that is moulded so it as nanoscale chiral indentations, which can be fabricated using a cheap high throughput method.  We subsequently demonstrate the application of these nano templated chiral plasmonic films for (linear and non-linear) biospectroscopy.


1. Hendry, E.; Carpy, T.; Johnston, J.; Popland, M.; Mikhaylovskiy, R. V.; Lapthorn, A. J.; Kelly, S. M.; Barron, L. D.; Gadegaard, N.; Kadodwala, M. Nature Nano. 2010, 5, 783-787.
2. Abdulrahman, N.A.; Fan, Z., Tonooka, T.; Kelly, S.M.; Gadegaard, N. ; Hendry, E.; Govorov, A.O.; Kadodwala, M. Nano Letters, 2012, 12, 977-983.
3. Hendry, E.; Mikhaylovsky. R. V.; Barron, L. D.; Kadodwala, M.; Davis, T. J. Nano. Letters 2012, 12, 3640-3644.
 

Prof. Malcolm Kadodwala
http://www.gla.ac.uk/schools/chemistry/staff/malcolmkadodwala/

 
Contact

OKAMOTO, Hiromi
IINO, Ryota & MASAOKA, Shigeyuki (The members of the committee of the IMS colloquium in 2015)
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