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Techniques & Tools Microscopy

Imaging Below 100 nm — without Fluorescence

The diffraction limit for non-fluorescent species – the fundamental limit of optical imaging resolution – has been breached. Researchers at Purdue University, Lafayette, Indiana, imaged graphite nanoplatelets about 100 nm wide (see image) (1). Conventional optical microscopes cannot resolve objects smaller than around 300 nm.

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About the Author

Rich Whitworth

Rich Whitworth completed his studies in medical biochemistry at the University of Leicester, UK, in 1998. To cut a long story short, he escaped to Tokyo to spend five years working for the largest English language publisher in Japan. "Carving out a career in the megalopolis that is Tokyo changed my outlook forever. When seeing life through such a kaleidoscopic lens, it's hard not to get truly caught up in the moment." On returning to the UK, after a few false starts with grey, corporate publishers, Rich was snapped up by Texere Publishing, where he spearheaded the editorial development of The Analytical Scientist. "I feel honored to be part of the close-knit team that forged The Analytical Scientist – we've created a very fresh and forward-thinking publication." Rich is now also Content Director of Texere Publishing, the company behind The Analytical Scientist.

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