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The top-down approach is breaking down of a system into small components, while bottom-up is assembling sub-systems into larger system. [15] A bottom-up approach for nano-assembly is a primary research target for nano-fabrication because top down synthesis is expensive (requiring external work) and is not selective on very small length scales, but is currently the primary mode of industrial ...
Nanomedicine is the medical application of nanotechnology. [1] Nanomedicine ranges from the medical applications of nanomaterials and biological devices, to nanoelectronic biosensors, and even possible future applications of molecular nanotechnology such as biological machines.
Molecular nanotechnology (MNT) is a technology based on the ability to build complex structures by means of mechanosynthesis. MNT would involve combining physical principles, chemistry, biophysics, and molecular machine systems to create smart materials, nanosensors, and nanorobots.
The National Nanotechnology Initiative is a United States federal nanotechnology research and development program. “The NNI serves as the central point of communication, cooperation, and collaboration for all Federal agencies engaged in nanotechnology research, bringing together the expertise needed to advance this broad and complex field."
Nanotechnology is the manipulation of matter with at least one dimension sized from 1 to 100 nanometers (nm). Learn about the origins, concepts, and controversies of this interdisciplinary field that deals with the special properties and phenomena of the nanoscale.
Learn about the engineering of nanoparticles for targeted and controlled delivery of therapeutic agents. Explore the advantages, challenges, and platforms of nanoparticle drug delivery systems.
As of late 2020, several mRNA vaccines for SARS-CoV-2 use LNPs as their drug delivery system, including both the Moderna COVID-19 vaccine and the Pfizer–BioNTech COVID-19 vaccines. [3] Moderna uses its own proprietary ionizable cationic lipid called SM-102, while Pfizer and BioNTech licensed an ionizable cationic lipid called ALC-0315 from ...
DNA nanotechnology is the design and manufacture of artificial nucleic acid structures for technological uses. In this field, nucleic acids are used as non-biological engineering materials for nanotechnology rather than as the carriers of genetic information in living cells .