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Gaming the Future: The Book!

Category: Nanodot

New light-sensitive polymer to control drug release from nanoparticles

A new polymer that disintegrates in response to harmless radiation that can penetrate several inches into human tissue may lead to nanoparticles that release their drug cargo only at a desired time and place.

Darpa seeks nanotechnology defense against novel pathogens

To counter the threat of evolved or engineered resistance of pathogenic bacteria to antibiotics, Darpa proposes to use nanotechnology to develop “Rapidly Adaptable Nanotherapeutics”.

Will new piezoelectric materials lead to new tools for nanotechnology?

Will the integration of a single-crystal material with “giant” piezoelectric properties onto silicon make possible scanning probe microscopes on a chip?

Geometry of DNA nanostructures used to program molecular recognition

Adding a new molecular recognition code to structural DNA nanotechnology—a pattern of projecting and recessed blunt-end DNA helices can be used to code the assembly of DNA origami tiles into larger DNA nanostructures.

DNA nanosensors profile gene activity to reveal state of cells

Small DNA molecules fluoresce in the presence of specific transcription factors, sensing which genes are being expressed in that cell, potentially allowing cancer treatments to be personalized, and the quality of stem cells to be monitored.

Leveraging nanoforces to increase biosensor sensitivity

This contribution has been forwarded by Ivo Rivetta. The primary forces on the nanometer scale are scaled versions of what we experience on a day to day basis. Instead of gravity, surface forces such as water tension and electric charge dominate. As an example, compare wet basketballs and wet sand. The weight of the basketballs… Continue reading Leveraging nanoforces to increase biosensor sensitivity

Single molecule nanocar with functional wheels driven by electron tunneling

Electron tunneling drives a conformational change in each wheel of a four-wheel drive, single molecule nanocar, driving it across a copper surface.

Humanoid robot for military showcases advances in robotics

A prototype humanoid robot being developed for the US military mimics a wide range of human movements while retaining its balance.

An artificial molecular clock to control artificial molecular machines

The oscillating synthesis and degradation of regulatory RNA molecules was used to produce a molecular clock to control the opening and closing of a DNA tweezers, and also to control the production of another RNA molecule to alter the fluorescence of a dye molecule.

Carbon nanotube muscles could propel future medical nanorobots (video)

Yarn woven from carbon nanotubes provides a thousand times more rotation than is obtained from other artificial muscles, and could be made into motors to provide propulsion for micrometer-sized medical nanorobots.

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