1) Schnippering, M.; Powell, H. V.; Zhang, M.; Macpherson, J. V.; Unwin, P. R.; Mazurenka, M.; Mackenzie, S. R. "Surface assembly and redox dissolution of silver nanoparticles monitored by evanescent wave cavity ring-down spectroscopy", Journal of Physical Chemistry C, 2008, 112, 15274-15280.

2) Powell, H. V. Schnippering, M.; Mazurenka, M.; Macpherson, J. V.; Mackenzie, S. R.; Unwin, P. R. "Evanescent Wave Cavity Ring-Down Spectroscopy as a Probe of Interfacial Adsorption: Interaction of Tris(2,2'-bipyridine)ruthenium(II) with Silica Surfaces and Polyelectrolyte Films", Langmuir, 2009, 25,248-255.

3) Schnippering, M.; Powell, H. V.; Mackenzie S. R.; Unwin, P.R. "Real-Time Monitoring of Polyanaline Nanoparticle Formation on Surfaces", Journal of Physical Chemistry C, 2009, 113, 20221-20227.

4) Zhang,M.; Powell,H.V.; Mackenzie, S. R.; Unwin, P. R. "Kinetics of porphyrin adsorption and DNA-assisted desorption at the silica – water interface", accepted for publication in Langmuir.

5) Powell, H.V.; Schnippering, M; Cheung,M.; Macpherson, J. V.; Mackenzie, S. R.; Stavros, V.;Unwin, P.R. "A Novel Approach to Study Electron Transfer between Redox Proteins", in preparation.

6) Powell, H. V.; Zhang, M.; O’Connell, M.; Mackenzie, S. R.; Unwin, P. R. "Following the Formation of Supported Lipid Bilayers with Evanescent Wave Cavity Ring-Down Spectroscopy", in preparation.