Nanodot Blog

Nanodot Blog 2017-06-01T17:48:21+00:00

Nanodot Blog

Improving crystallographic resolution through using less perfect crystals

By | February 18th, 2016|Categories: Nano, Nanodot, Nanotech, Nanotechnology, Research|

A paradigm shift in analyzing diffraction from smaller, less perfect crystals yields improved resolution and enables directly determining the phase of the diffraction pattern.

DNA nanotechnology cages localize and optimize enzymatic reactions

By | February 16th, 2016|Categories: Bionanotechnology, Future Medicine, Molecular Nanotechnology, Nano, Nanobiotechnology, Nanodot, Nanomedicine, Nanotech, Nanotechnology, Research|

Encapsulating enzymes in nanocages engineered using structural DNA nanotechnology increases enzymatic digestion and protects enzymes from degradation.

Roles of materials research and polymer chemistry in developing nanotechnology

By | February 16th, 2016|Categories: Artificial Molecular Machines, Bionanotechnology, Found On Web, Memetics, Nano, Nanobiotechnology, Nanodot, Nanoscale Bulk Technologies, Nanotech, Nanotechnology, Reviews|

Polymer chemistry and materials research provide opportunities to explore structures that harmonize phenomena unique to nanoscale technology, the role of mechanical forces generated at interfaces, and the responses of biological systems to mechanical stresses.

Multiple advances in de novo protein design and prediction

By | February 14th, 2016|Categories: Atomically Precise Manufacturing (APM), Bionanotechnology, Computational nanotechnology, Foresight Kudos, Molecular manufacturing, Molecular Nanotechnology, Nano, Nanobiotechnology, Nanodot, Nanotech, Nanotechnology, Productive Nanosystems, Research|

New families of protein structures, barrel proteins for positioning small molecules, self-assembling protein arrays, and precision sculpting of protein architectures highlight de novo protein design advances.

Rational design of protein architectures not found in nature

By | February 11th, 2016|Categories: Atomically Precise Manufacturing (APM), Bionanotechnology, Computational nanotechnology, Foresight Kudos, Molecular manufacturing, Molecular Nanotechnology, Nano, Nanobiotechnology, Nanodot, Nanotech, Nanotechnology, Productive Nanosystems, Research|

Computational design of proteins satisfying predetermined geometric constraints produced stable proteins with the designed structure that are not found in nature.

De novo protein design space extends far beyond biology

By | February 3rd, 2016|Categories: Atomically Precise Manufacturing (APM), Bionanotechnology, Computational nanotechnology, Foresight Kudos, Molecular manufacturing, Molecular Nanotechnology, Nano, Nanobiotechnology, Nanodot, Nanotech, Nanotechnology, Productive Nanosystems, Research|

A fully automated design protocol generates dozens of designs for proteins based on helix-loop-helix-loop repeat units that are very stable, have crystal structures that match the design, have very different overall shapes, and are unrelated to any natural protein.

Conference video: Nanoscale Materials, Devices, and Processing Predicted from First Principles

By | January 15th, 2016|Categories: About Foresight, Bionanotechnology, Computational nanotechnology, Foresight News Articles, Meetings & Conferences, Molecular Nanotechnology, Nano, Nanobiotechnology, Nanodot, Nanotech, Nanotechnology, Research|

Prof. William Goddard presented four advances from his research group that enable going from first principles quantum mechanics calculations to realistic nanosystems of interest with millions or billions of atoms.

Conference video: Mythbusting Knowledge Transfer Mechanisms through Science Gateways

By | January 14th, 2016|Categories: About Foresight, Computational nanotechnology, Foresight News Articles, Government programs, Meetings & Conferences, Nano, Nanodot, NanoEducation, Nanotech, Nanotechnology, Nanotechnology Politics|

Prof. Gerhard Klimeck described the success of nanoHUB.org, a science and engineering gateway providing online simulations through a web browser for nanotechnology research and education.

DNA nanotechnology controls which molecules enter cells

By | January 13th, 2016|Categories: Atomically Precise Manufacturing (APM), Bionanotechnology, Future Medicine, Molecular manufacturing, Molecular Nanotechnology, Nanobiotechnology, Nanodot, Nanomedicine, Nanotech, Nanotechnology, Research|

DNA building blocks mimic biological ion channels to more precisely control which molecules can cross a biological membrane.

Molecular arm grabs, transports, releases molecular cargo

By | January 12th, 2016|Categories: Artificial Molecular Machines, Atomically Precise Manufacturing (APM), Foresight Kudos, Molecular manufacturing, Molecular Nanotechnology, Nano, Nanodot, Nanotech, Nanotechnology, Research, Reviews|

A molecular robotic arm synthesized from small synthetic organic molecules uses cyclic changes in pH and other reaction conditions to grab and release a cargo molecule, and swing the cargo back and forth between the two ends of the molecular platform.

Electron tomography reveals precise positions of individual atoms in aperiodic material

By | January 11th, 2016|Categories: Computational nanotechnology, Nano, Nanodot, Nanoscale Bulk Technologies, Nanotech, Nanotechnology, Research|

The positions of 3769 tungsten atoms in a tungsten needle segment were determined to a precision of 19 pm (0.019 nm), including the position of a single atom defect in the interior of the sample, by using aberration-corrected scanning transmission electron microscopy and computerized tomography.

Nanoparticles ameliorate MS in mice by inducing immune tolerance of myelin

By | January 7th, 2016|Categories: Bionanotechnology, Future Medicine, Nano, Nanobiotechnology, Nanodot, Nanomedicine, Nanoscale Bulk Technologies, Nanotech, Nanotechnology, Research|

In the first mouse model of the progressive form of multiple sclerosis, nanoparticles that created immune tolerance to myelin prevented the development of progressive MS.

Inexpensive transparent conductors from correlated metal nanostructures

By | January 6th, 2016|Categories: Economics, Energy, Investment/Entrepreneuring, Molecular Nanotechnology, Nano, Nanobusiness, Nanodot, Nanotech, Nanotechnology, Research|

Highly correlated electron motions resembling electron liquids rather than electron gases, and found in some transition metal oxides, may enable inexpensive substitution for expensive displays.

Active and reversible control of nanoparticle optical properties

By | January 3rd, 2016|Categories: Nano, Nanodot, Nanoscale Bulk Technologies, Nanotech, Nanotechnology, Research|

Electrochemically modifying individual metallic nanoparticles and pairs of such nanoparticles enabled reversible tuning of their optical properties, including charge transfer plasmon formation in nanoparticle pairs.

Rolling DNA-based motors increase nano-walker speeds 1000-fold

By | December 12th, 2015|Categories: Bionanotechnology, Future Medicine, Healing/preserving environment, Nano, Nanobiotechnology, Nanodot, Nanomedicine, Nanoscale Bulk Technologies, Nanotech, Nanotechnology, Research|

Coating micrometer-sized glass spheres with hundreds of DNA strands complementary to an RNA covering a glass slide enables the sphere to move, with the help of an enzyme that digests RNA bound to complementary DNA, a thousand times faster than conventional DNA-walkers.

Octopodal nanoparticles combine catalytic, plasmonic functions

By | December 11th, 2015|Categories: Energy, Healing/preserving environment, Nano, Nanobusiness, Nanodot, Nanoscale Bulk Technologies, Nanotech, Nanotechnology, Research|

Eight-armed nanoparticles of gold coated with a gold-palladium alloy proved to be both efficient plasmonic sensors and efficient catalysts, even though gold alone is not normally a good catalyst and palladium is a poor plasmonic material.

Novel nanoconjugate delivers synergistic combination of microRNAs to treat cancer

By | December 11th, 2015|Categories: Bionanotechnology, Future Medicine, Nano, Nanobiotechnology, Nanodot, Nanomedicine, Nanoscale Bulk Technologies, Nanotech, Nanotechnology, Research|

Two microRNAs with synergistic effects, one that suppresses tumor growth and another than inhibits tumor promotion, are combined in an RNA triple helix, complexed with a dendrimer to form nanoparticles, which are incorporated with a polymer to form a hydrogel that inhibits tumor growth when applied to the tumor.

Ultrasensitive microRNA assay with nanosensor to detect cancer

By | December 10th, 2015|Categories: Bionanotechnology, Future Medicine, Nano, Nanobiotechnology, Nanodot, Nanomedicine, Nanoscale Bulk Technologies, Nanotech, Nanotechnology, Research|

A nanotechnology-based sensor provides fast, inexpensive, ultrasensitive assay of microRNA pattern to detect cancer using DNA immobilized on a synthetic gold nanoprism.

Using DNA nanotechnology to position molecules with atomic precision

By | December 9th, 2015|Categories: Artificial Molecular Machines, Atomically Precise Manufacturing (APM), Bionanotechnology, Molecular manufacturing, Molecular Nanotechnology, Nano, Nanobiotechnology, Nanodot, Nanotech, Nanotechnology, Research|

German researchers have used scaffolded DNA origami to adjust the angle of a DNA hinge joint by altering the length of special "adjuster helices", causing molecules attached to the sides of the hinge to be displaced by as little as 0.04 nm.

Single-molecule light-driven nanosubmarine

By | December 5th, 2015|Categories: Artificial Molecular Machines, Foresight Kudos, Foresight News, Foresight News Articles, Molecular Nanotechnology, Nano, Nanodot, Nanotech, Nanotechnology, Research|

Each time a laser pulse actuates the cis-trans isomerization of a single carbon-carbon double bond, a single-molecule nanosubmarine made of 244 atoms is driven forward 9 nm against Brownian diffusion.

Atomic precision in sculpting 3-D objects

By | December 3rd, 2015|Categories: Atomically Precise Manufacturing (APM), Nano, Nanodot, Nanoscale Bulk Technologies, Nanotech, Nanotechnology, Research|

Nanometer-level control of the beam path of a scanning transmission electron microscope nudges an amorphous material into atomically precise epitaxial growth.

Generating hydrogen with single atom catalysts

By | November 13th, 2015|Categories: About Foresight, Energy, Foresight Kudos, Foresight News, Foresight News Articles, Healing/preserving environment, Nano, Nanodot, Nanoscale Bulk Technologies, Nanotech, Nanotechnology, Research|

Single cobalt atoms have been positioned in nitrogen-doped graphene to catalytically produce hydrogen from water almost as effectively as using vastly more expensive platinum catalysts.

Architecture for atomically precise quantum computer in silicon

By | November 9th, 2015|Categories: Atomically Precise Manufacturing (APM), Computational nanotechnology, Molecular manufacturing, Molecular Nanotechnology, Nano, Nanodot, Nanotech, Nanotechnology, Research|

Building on previous work on single atom transistors and single atom qubits, Australian researchers have incorporated a quantum error correction code to make possible a scalable 3D silicon chip architecture that could lead to operational quantum computers.

One-directional rotation in a new artificial molecular motor

By | November 5th, 2015|Categories: Artificial Molecular Machines, Atomically Precise Manufacturing (APM), Molecular manufacturing, Molecular Nanotechnology, Nano, Nanodot, Nanotech, Nanotechnology, Research|

Independent rotation of two wheels attached to either end of an axle has been achieved in a light-driven artificial molecular motor, suggesting a basis for a nanometer-scale transport system.