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The Faster the Flow, the Brighter the Glow

News   May 14, 2019 | Original story by Liz Fuller-Wright, Princeton University

Real-time Bacteria Speedometer Engineered

A team of Princeton University biologists and engineers led by Zemer Gitai bioengineered a real-time bacteria speedometer by linking a flow-detecting gene in Pseudomonas aeruginosa to one for illumination: The faster the flow, the brighter the glow. The flow detection is independent of force, prompting new questions about how bacteria sense their environments. Illustration by Matilda Luk, Office of Communications



The Art of Forming Uniform Gas Bubbles in Liquid


Bubble formation is typically a much more random process than liquid droplet formation, yet the generation of uniform drops and bubbles is very desirable in microfluidics. Researchers have now shown that under certain conditions, bubbles can also be coaxed to form spheres as perfectly matched as droplets.


Sickle Cell Disease Monitored by Microfluidic Electrical Impedance Sensor


Researchers hope that a rapid and reliable new method to continuously monitor sickle cell disease using a microfluidics-based electrical impedance sensor will eventually aid patients and clinicians in disease management.


Understanding Immune Cell Recruitment Key to STI Vaccine Development


In a study published in Nature Communications, researchers from King’s have shown how skin vaccination can generate protective CD8 T-cells that are recruited to the genital tissues and could be used as a vaccination strategy for sexually transmitted infections.



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