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However, in the nanoparticle-based system, crystal structure can be tuned independent of the nanoparticle size and composition by simply adjusting the length and sequence of the attached DNA. As a result, nanoparticle building blocks with the SNA geometry are often referred to as “programmable atom equivalents” (PAEs). [ 35 ]
Upconverting nanoparticles (UCNPs) are nanoscale particles (diameter 1–100 nm) that exhibit photon upconversion. In photon upconversion, two or more incident photons of relatively low energy are absorbed and converted into one emitted photon with higher energy.
A nanoparticle or ultrafine particle is a particle of matter 1 to 100 nanometres (nm) in diameter. [1] [2] The term is sometimes used for larger particles, up to 500 nm, or fibers and tubes that are less than 100 nm in only two directions. [2]: 394 At the lowest range, metal particles smaller than 1 nm are usually called atom clusters instead.
Doug Peltz, popularly known as Mystery Doug, is an American science communicator and entrepreneur based in San Francisco.He is best known as the co-founder of the popular science curriculum Mystery Science, a science program used in 50% of U.S. elementary schools and recently acquired by Discovery Education. [2]
Finally, spherical nanoparticles have three dimensions on the nanoscale, i.e., the particle is between 0.1 and 100 nm in each spatial dimension. The terms nanoparticles and ultrafine particles (UFP) are often used synonymously although UFP can reach into the micrometre range.
Community members and family members are mourning the loss of a veteran journalist from Washington, D.C. who died Tuesday. Derrick Ward Sr., a reporter at NBC4 Washington (WRC-TV) and formerly of ...
The U.S. military took custody of American Travis Pete Timmerman and flew him from Syria to Jordan on Friday, a U.S. official told ABC News. "Following the fall of the Assad regime, Travis ...
The term "Janus Particle" was coined by author Leonard Wibberley in his 1962 novel The Mouse on the Moon as a science-fictional device for space travel.. The term was first used in a real-world scientific context by C. Casagrande et al. in 1988 [8] to describe spherical glass particles with one of the hemispheres hydrophilic and the other hydrophobic.
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