An exhibit named “Sensing with a Sniff” caught my eye. An
engineer named Billy Boyle, driven to develop cheaper and easier
cancer-detecting technology after his wife underwent emergency surgery for
advanced colon cancer, turned to the tools he had on hand. His company,
Owlstone, produced chemical sensor chips to find bombs and toxins. His
curiosity piqued by a hound’s ability to sniff out cancer, he and his
colleagues developed a new chemical sensor, which “uses a low-cost silicon chip
to mimic a dog’s super schnoz.” The
sensor detects known biomarkers selective to colon cancer. Additionally, this
sensor can be programmed to recognize a slew of diseases, from tuberculosis to
asthma. The company is working on mobile, affordable sensors intended for
hospitals and clinics. Inspired by the natural world around him, Boyle found
the impetus for a project that may save numerous lives in the future – and
numerous dollars, as well.
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| A schematic for 3D bioprinting |
Another engaging exhibit was titled “The Perfect Fit,”
centered around the use of 3D bioprinting for organ replacements. Through the
past few weeks, we’ve explored how art and science have intersected to create a
personalization of technology, a concept applicable here. At any given time,
over 100,000 people wait for organ replacements in the US alone. Much like
Gutenberg’s press brought together existing technologies and added innovations
that revolutionized the west, scientists are now exploring the use of 3D
printers for a similar effect. By using human cellular material as “ink,” a
bioprinter can create layers upon layers of cells that bind together to create
tissue. A scaffold is used for the cells to link and grow on. Currently,
scientists are attempting to refine their technique in order to print new
livers.
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| The Nanopatch alongside a needle, for comparison |
A third exhibit, “Safety in a Sticker,” demonstrated the use
of a silicon Nanopatch 1 square centimeter in size to deliver vaccines, as
opposed to needles or refrigeration of samples, directly related to our recent
discussion of nanotech. This device targets immune cells just under the skin,
as the silicon square is lined with spikes coated in the vaccine. Designed to circumvent a rather common fear of needles in the patient population, this patch could potentially revolutionize the delivery of vaccines, although doctors' reactions to it are as of yet unclear.
Overall, it was an incredibly interesting visit!




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