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Characterisation Of Microbial Colonies On Colorbond® Steel Substrates, Nicole Alexandra Pianegonda
Characterisation Of Microbial Colonies On Colorbond® Steel Substrates, Nicole Alexandra Pianegonda
University of Wollongong Thesis Collection 1954-2016
COLORBOND® Steel is a hugely successful, branded, coil-coated steel product used in a wide range of building application throughout Australia and South East Asia. Fungal growth on light coloured COLORBOND® Steel used in roofing and walling material is both unsightly and absorbs solar radiation, negatively impacting the roof and underlying structure. Up until now, however, the extent and behaviour of such fungal growth on these unique substrates has been poorly understood. Methods of assessing the phenomenon have, likewise, been lacking. Future development of strategies to prevent and mitigate infestation of these substrates is dependent upon the mechanism of infestation being …
Development Of Single Microdroplet Techniques For Fundamental Chemical Measurements, Bartholomew S. Vaughn
Development Of Single Microdroplet Techniques For Fundamental Chemical Measurements, Bartholomew S. Vaughn
University of Wollongong Thesis Collection 1954-2016
A significant number of current techniques that probe chemical and physical processes in single microdroplets focus on the measurement of long timescale processes. Probing short timescale processes (<100 μs) in single microdroplet domains has been largely prohibitive. Therefore, new experimental techniques are required to probe short timescale chemical transformations in microdroplets. In this thesis, experiments on single free-falling microdroplets that probe chemistry and physics of photoactivated reactions are reported. Single microdroplets are generated using drop-on-demand droplet generation and subsequently interrogated using various pulsed laser systems. The principal advantage of single microdroplet techniques is that each microdroplet is a chemically isolated and self-contained reaction vessel. This allows chemical and physical transformations to be probed with no crosscontamination between microdroplets.