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continue reading
Content provided by Stanford Engineering & Russ Altman and Stanford Engineering. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Stanford Engineering & Russ Altman and Stanford Engineering or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
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The future of transparent tissue
Manage episode 465435279 series 2712286
Content provided by Stanford Engineering & Russ Altman and Stanford Engineering. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Stanford Engineering & Russ Altman and Stanford Engineering or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
Materials scientist and physicist Guosong Hong is an expert in getting materials to do remarkable things. Recently, he and collaborators used a common food dye found in snack chips to turn living tissue transparent, allowing light to penetrate through skin and muscle. Hong is now working to realize a new age of medical imaging that lets doctors see deep into the body – without surgery. It’s a miracle of physics but it could change medicine, Hong tells host Russ Altman on this episode of Stanford Engineering’s The Future of Everything podcast.
Have a question for Russ? Send it our way in writing or via voice memo, and it might be featured on an upcoming episode. Please introduce yourself, let us know where you're listening from, and share your quest. You can send questions to [email protected].
Episode Reference Links:
- Stanford Profile: Guosong Hong
- Guosong's Lab: THE HONG LAB
Connect With Us:
- Episode Transcripts >>> The Future of Everything Website
- Connect with Russ >>> Threads / Bluesky / Mastodon
- Connect with School of Engineering >>> Twitter/X / Instagram / LinkedIn / Facebook
Chapters:
(00:00:00) Introduction
Russ Altman introduces Guosong Hong, an expert in physics, material science, and biology from Stanford University.
(00:02:52) Material Science Meets Neuroscience
How Guosong’s research blends nanomaterials and brain science.
(00:04:01) Why Tissue Isn’t Transparent
The challenge of light penetration in biological tissues.
(00:05:55) A New Approach to Tissue Clearing
The physics behind tissue transparency and refractive index manipulation.
(00:08:57) UV Light and Transparency
How manipulating UV absorption can align refractive indexes.
(00:11:17) First Experiments and Results
Initial tests that demonstrate successful tissue clearing.
(00:13:19) Applications in Medicine
The potential of transparent tissues in dermatology and medical imaging.
(00:15:36) Testing on Live Tissue
The results of testing transparency techniques on live mice.
(00:19:30) Transparency in Nature
How some species have naturally transparent tissue.
(00:20:52) Human Eye and Protein Transparency
The unique proteins that keep our lenses clear using similar physics.
(00:23:24) Wireless Light Inside the Body
The development of ultrasound-activated light sources for tissue imaging.
(00:26:56) Precision of Ultrasound Light
How precisely ultrasound can trigger tiny particles to emit light.
(00:29:14) Conclusion
Connect With Us:
Episode Transcripts >>> The Future of Everything Website
Connect with Russ >>> Threads / Bluesky / Mastodon
Connect with School of Engineering >>>Twitter/X / Instagram / LinkedIn / Facebook
320 episodes
Share
Manage episode 465435279 series 2712286
Content provided by Stanford Engineering & Russ Altman and Stanford Engineering. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Stanford Engineering & Russ Altman and Stanford Engineering or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
Materials scientist and physicist Guosong Hong is an expert in getting materials to do remarkable things. Recently, he and collaborators used a common food dye found in snack chips to turn living tissue transparent, allowing light to penetrate through skin and muscle. Hong is now working to realize a new age of medical imaging that lets doctors see deep into the body – without surgery. It’s a miracle of physics but it could change medicine, Hong tells host Russ Altman on this episode of Stanford Engineering’s The Future of Everything podcast.
Have a question for Russ? Send it our way in writing or via voice memo, and it might be featured on an upcoming episode. Please introduce yourself, let us know where you're listening from, and share your quest. You can send questions to [email protected].
Episode Reference Links:
- Stanford Profile: Guosong Hong
- Guosong's Lab: THE HONG LAB
Connect With Us:
- Episode Transcripts >>> The Future of Everything Website
- Connect with Russ >>> Threads / Bluesky / Mastodon
- Connect with School of Engineering >>> Twitter/X / Instagram / LinkedIn / Facebook
Chapters:
(00:00:00) Introduction
Russ Altman introduces Guosong Hong, an expert in physics, material science, and biology from Stanford University.
(00:02:52) Material Science Meets Neuroscience
How Guosong’s research blends nanomaterials and brain science.
(00:04:01) Why Tissue Isn’t Transparent
The challenge of light penetration in biological tissues.
(00:05:55) A New Approach to Tissue Clearing
The physics behind tissue transparency and refractive index manipulation.
(00:08:57) UV Light and Transparency
How manipulating UV absorption can align refractive indexes.
(00:11:17) First Experiments and Results
Initial tests that demonstrate successful tissue clearing.
(00:13:19) Applications in Medicine
The potential of transparent tissues in dermatology and medical imaging.
(00:15:36) Testing on Live Tissue
The results of testing transparency techniques on live mice.
(00:19:30) Transparency in Nature
How some species have naturally transparent tissue.
(00:20:52) Human Eye and Protein Transparency
The unique proteins that keep our lenses clear using similar physics.
(00:23:24) Wireless Light Inside the Body
The development of ultrasound-activated light sources for tissue imaging.
(00:26:56) Precision of Ultrasound Light
How precisely ultrasound can trigger tiny particles to emit light.
(00:29:14) Conclusion
Connect With Us:
Episode Transcripts >>> The Future of Everything Website
Connect with Russ >>> Threads / Bluesky / Mastodon
Connect with School of Engineering >>>Twitter/X / Instagram / LinkedIn / Facebook
320 episodes
All episodes
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Similar to The Future of Everything
Flash Forward is a show about possible (and not so possible) future scenarios. What would the warranty on a sex robot look like? How would diplomacy work if we couldn’t lie? Could there ever be a fecal transplant black market? (Complicated, it wouldn’t, and yes, respectively, in case you’re curious.) Hosted and produced by award winning science journalist Rose Eveleth, each episode combines audio drama and journalism to go deep on potential tomorrows, and uncovers what those futures might re ...
…
continue reading
A myriad of AI, science, and technology experts explore the real challenges and enormous opportunities facing entrepreneurs who are building the future of health. Raising Health, a podcast by a16z Bio + Health and hosted by Kris Tatiossian and Olivia Webb, dives deep into the heart of biotechnology and healthcare innovation. Join veteran company builders, operators, and investors Vijay Pande, Julie Yoo, Vineeta Agarwala, and Jorge Conde, along with distinguished guests like Mark Cuban, Greg ...
…
continue reading
Emergency Medicine Cases – Where the Experts Keep You in the Know. For show notes, quizzes, videos and more learning tools please visit emergencymedicinecases.com
…
continue reading
Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.
…
continue reading
Come dive into one of the curiously delightful conversations overheard at National Geographic’s headquarters, as we follow explorers, photographers, and scientists to the edges of our big, weird, beautiful world. Hosted by Peter Gwin and Amy Briggs.
…
continue reading
The surprising connections in science and technology that give you the Big Picture. Astronomer Seth Shostak and science journalist Molly Bentley are joined each week by leading researchers, techies, and journalists to provide a smart and humorous take on science. Our regular "Skeptic Check" episodes cast a critical eye on pseudoscience.
…
continue reading
The Science Show gives Australians unique insights into the latest scientific research and debate, from the physics of cricket to prime ministerial biorhythms.
…
continue reading
We humans could have a bright future ahead of us that lasts billions of years. But we have to survive the next 200 years first. Join Josh Clark of Stuff You Should Know for a 10-episode deep dive that explores the future of humanity and finds dangers we have never encountered before lurking just ahead. And if we humans are alone in the universe, if we don't survive intelligent life dies out with us too.
…
continue reading
I discuss a variety of topics in both the natural and social sciences, exploring the many fascinating insights that the scientific method yields about the world around us.
…
continue reading
The kickass science and technology radio show that delivers an irreverent look at the week in science and technology.
…
continue reading
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Go offline with the Player FM app!
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