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Publications
Publications (6)
Given the rapid growth of the medical tourism industry worldwide, competition among different countries to increase market share has risen sharply. The success of this industry largely depends on the correct segmentation of the market and the right choice of target segments. There are numerous approaches for market segmentation, each of which has i...
Biofilms can harbor a wide range of microorganisms, including opportunistic respiratory pathogens, and their establishment on engineered surfaces poses a risk to public health and industry. The emergence of compact germicidal ultraviolet light-emitting diodes (UV LEDs) may enable their incorporation into confined spaces to inhibit bacterial surface...
Though germicidal UV radiation is widely applied for disinfection of water and food, it may also be used to prevent bacterial growth and colonization on surfaces within engineered systems. Emerging UV source technologies, such as ultraviolet-C (UVC) LEDs, present new opportunities for deterring biofilms within certain devices, including medical equ...
Respiratory infections from opportunistic bacterial pathogens (OBPs) have heightened research interests in drinking water distribution systems, premise plumbing, and point-of-use technologies. In particular, biofilm growth in showerheads increases OBP content, and inhalation of shower aerosols is a major exposure route for Legionellae and Mycobacte...
Water treatment techniques for destructive removal of perfluoroalkyl substances (PFAS) have only recently begun to emerge in the research literature, comprising unconventional advanced oxidation and reduction methods. Photocatalytic degradation of PFAS has not been widely pursued – a result of the limited ability of common semiconductor materials t...
Questions
Question (1)
Hi,
I am trying to grow E. coli biofilm on a membrane surface. I am using PVDF membrane in a custom-build flow cell. The flow channel in the flow cell has dimensions of 10 cm*3.5cm*0.3 cm (L*W*H). The cross section of the flow channel has an area of 1.05 cm2, which results in velocity of 10 cm/min when the flow is 10 ml/min. I am using E. coli K12 (ATCC25922) and the feed comprises of 1:3 diluted M9 media, 4 g/l glucose, and 1:100 diluted tryptic soy broth. I usually run the experiment for 48 hours at room temperature, but I am not able to get a good thick biofilm. I would appreciate it if anyone could address suggestions that may improve the biofilm growth.
