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Columbia engineers first to observe avalanches in nanoparticles

E-Mail IMAGE: An illustration of the chain-reaction process that underlies the photon avalanching mechanism Columbia Engineering researchers have realized in their nanoparticles. In this process, the absorption of a single low-energy photon. view more Credit: Miko?aj ?ukaszewicz/ Polish Academy of Sciences New York, NY January 13, 2021 Researchers at Columbia Engineering report today that they have developed the first nanomaterial that demonstrates photon avalanching, a process that is unrivaled in its combination of extreme nonlinear optical behavior and efficiency. The realization of photon avalanching in nanoparticle form opens up a host of sought-after applications, from real-time super-resolution optical microscopy, precise temperature and environmental sensing, and infrared light detection, to optical analog-to-digital conversion and quantum sensing.

New yorkUnited statesColumbia universitySouth koreaYawei liuP james schuckEmorym chanArtur bednarkiewiczChanghwan leeBrucee cohenAyelet teitelboimKaiyuan yaoYung doug suhAngel fernandez bravoJemma xuJames schuck

Shine on: Avalanching nanoparticles break barriers to imaging cells in real time

E-Mail IMAGE: At left: Experimental PASSI (photon avalanche single-beam super-resolution imaging) images of thulium-doped avalanching nanoparticles separated by 300 nanometers. At right: PASSI simulations of the same material. view more Credit: Berkeley Lab and Columbia University Since the earliest microscopes, scientists have been on a quest to build instruments with finer and finer resolution to image a cell s proteins - the tiny machines that keep cells, and us, running. But to succeed, they need to overcome the diffraction limit, a fundamental property of light that long prevented optical microscopes from bringing into focus anything smaller than half the wavelength of visible light (around 200 nanometers or billionths of a meter) - far too big to explore many of the inner-workings of a cell.

United statesSouth koreaP james schuckArtur bednarkiewiczChanghwan leeAyelet teitelboimKaiyuan yaoYung doug suhAngel fernandez bravoJemma xuEmory chanBruce cohenAgata kotulskaUniversity of californiaEnergy frontier research centerColumbia university fu foundation school of engineering

구기거나 잘라도 정상 작동하는 전고체 이차전지 개발

구기거나 잘라도 정상 작동하는 전고체 이차전지 개발
busan.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from busan.com Daily Mail and Mail on Sunday newspapers.

South koreaInha universitySungkyunkwan universityTechnical divisionKorea research institute of chemical technologyKorea basic science instituteChonnam national universityStep moreKorea research instituteChemical technologyKim hae jinPrincipal investigatorElectric vehicleதெற்கு கொரியாதொழில்நுட்ப பிரிவுகொரியா ஆராய்ச்சி நிறுவனம் ஆஃப் இரசாயன தொழில்நுட்பம்

낙지에서 배뇨질환 치료 물질 발견…해수부 특허 등록 완료

낙지에서 배뇨질환 치료 물질 발견…해수부 특허 등록 완료
busan.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from busan.com Daily Mail and Mail on Sunday newspapers.

South koreaMinistry of maritime affairsKorea research institute of chemical technologyMaritime affairsKorea research instituteNew testamentதெற்கு கொரியாஅமைச்சகம் ஆஃப் கடல் வாழ்க்கைத்தொழில்கள்கொரியா ஆராய்ச்சி நிறுவனம் ஆஃப் இரசாயன தொழில்நுட்பம்கடல் வாழ்க்கைத்தொழில்கள்கொரியா ஆராய்ச்சி நிறுவனம்புதியது ஏற்பாடு

국립해양생물자원관, 낙지에서 유전체에서 ′이뇨 효과′물질 발견

국립해양생물자원관, 낙지에서 유전체에서 ′이뇨 효과′물질 발견
ecomedia.co.kr - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ecomedia.co.kr Daily Mail and Mail on Sunday newspapers.

South koreaMaritime affairsKorea research institute of chemical technologyKorea research instituteAssociated massNew testamentதெற்கு கொரியாகடல் வாழ்க்கைத்தொழில்கள்கொரியா ஆராய்ச்சி நிறுவனம் ஆஃப் இரசாயன தொழில்நுட்பம்கொரியா ஆராய்ச்சி நிறுவனம்புதியது ஏற்பாடு