Article: Quanta Leap

A Burlington lab is building a state-of-the-art food pathogen detector

You're strolling through the supermarket produce department, cellphone in hand. Pausing at a display of greens, you use your phone to shine a tiny laser beam on a promising bag of verdant spinach. A moment later, a text message pops upon the cellphone, proclaiming the vegetable is clean. Reassured that it's free of both Salmonella and E. coli, you drop it in your cart and move on to the tomatoes.

Sound futuristic? It is. But Ken Puzey, owner of Burlington's QuantaSpec, Inc., is determined to make it happen. Asked what his business does, he tries to put it simply: "QuantaSpec develops applications using infrared light to ...

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