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Gaming the Future: The Book!

Category: Bionanotechnology

Fundamental advance in understanding RNA folding may advance use of RNA building blocks for nanotechnology

Stanford University scientists have achieved new, detailed understanding of how a polymer folds into a unique three-dimensional structure by using an “optical trap” to precisely unfold a functional RNA molecule.

Proteins covalently attached to carbon nanotube tips provide new tool for nanotechnology

Japanese scientists have succeeded in chemically attaching proteins specifically to the tips of multiwalled carbon nanotubes, avoiding contaminating attachments to the sides of the nanotubes.

DNA building blocks that change shape provide new tool for nanotechnology

Tetrahedrons made from DNA that extend and shorten in response to added short strands of DNA may provide new nanotech methods of drug delivery, but may present even more exciting possibilities for atomically precise functional nanosystems.

Using DNA nanotechnology to build three-dimensional crystals

In a major nanotech advance in constructing designer materials, DNA has been used to assemble gold nanoparticles into three-dimensional crystals.

A new base pair for DNA nanotechnology

A new DNA base pair that works with at least one enzyme that replicates DNA opens up new possibilities for nanotech.

Nanotechnology: Early work on nanomotors

The Royal Society of Chemistry brings news of early work leading toward designed engines for nanomachines: Dutch scientists have made nanotubes move using enzyme-powered motors. Ben Feringa and co-workers from the University of Groningen, The Netherlands, have designed engines for nanomachines that could potentially be used in the body. Hydrogen peroxide has proven useful as… Continue reading Nanotechnology: Early work on nanomotors

DNA in the lead for nanotechnology construction

DNA-based construction is one of the major contenders on the pathway to atomically-precise manufacturing, and Caltech has made an important advance in that direction. From New Scientist: A group at the California Institute of Technology, led by biomolecular engineer Niles Pierce, has created a DNA-based fabricator. This is a system that allows the team to… Continue reading DNA in the lead for nanotechnology construction

Human enhancement with or without nanotechnology

The first issue of the journal Studies in Ethics, Law, and Technology (free reg req’d) is devoted to the topic of Human Enhancement and includes essays by familiar names (de Grey, Freitas, Wolbring, Cameron) and a number of newer ones. In “Medical Nanorobotics: Breaking the Trance of Futility in Life Extension Research (A Reply to… Continue reading Human enhancement with or without nanotechnology

Nanomachines to fight cancer at California NanoSystems Institute

In the postal mail today is the annual research report (PDF) of the CNSI, California NanoSystems Institute. Last month on Dec. 14 was the dedication ceremony (includes video) for their beautiful new nanotechnology building at UCLA. Thirteen projects were singled out for coverage in this year’s report. Our favorite is “Nano Machine Center for Targeted… Continue reading Nanomachines to fight cancer at California NanoSystems Institute

Kinder, gentler molecular machine for nanotechnology

From Physorg.com, a description of some theoretical nanotechnology work that could lead to more efficient molecular machines: …R. Dean Astumian, a Physics Professor at the University of Maine, has recently proposed a concept in which molecular machines can operate arbitrarily close to chemical equilibrium at every instant of the cycle, and still perform work at… Continue reading Kinder, gentler molecular machine for nanotechnology

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