Ferdinand X. Choong

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In complex environments, such as those found in the human host, pathogenic bacteria constantly battle the unfavorable conditions imposed by the host response to their presence. During Escherichia coli-induced pyelonephritis, a cascade of events are shown in an intravital animal model to occur in a timely and sequential manner, representing the dynamic(More)
To understand the underlying mechanisms of bacterial infections, researchers have for long addressed the molecular interactions occurring when the bacterium interacts with host target cells. In these studies, primarily based on in vitro systems, molecular details have been revealed along with increased knowledge regarding the general infection process. With(More)
Intravital two-photon microscopy (2PM) is an advanced fluorescence based imaging technique that allows for a cinematic study of physiological events occurring within tissues of the live animal. Based on this real-time imaging platform, the pathophysiology of bacterial infections can be studied in the most relevant of model systems-the live host. Whereas(More)
Extracellular matrix (ECM) is the protein- and polysaccharide-rich backbone of bacterial biofilms that provides a defensive barrier in clinical, environmental and industrial settings. Understanding the dynamics of biofilm formation in native environments has been hindered by a lack of research tools. Here we report a method for simultaneous, real-time, in(More)
Pyelonephritis represents a subset of urinary tract infections that occur from bacteria ascending from the lower to the upper reaches of the genitourinary system, such as the kidney. The renal system contains a range of hydrodynamically and immunologically challenging, interconnected microenvironments where the invading pathogen may populate during the(More)
Enabling technologies for efficient use of the bio-based feedstock are crucial to the replacement of oil-based products. We investigated the feasibility of luminescent conjugated oligothiophenes (LCOs) for non-destructive, rapid detection and quality assessment of lignocellulosic components in complex biomass matrices. A cationic pentameric oligothiophene(More)
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