Triple helices stabilize macroscopic crystals for DNA nanotechnology

A DNA strand capable of forming a triple helix with a portion of the DNA double helices in a macroscopic DNA crystal enhances the weak interactions holding the crystal together so that the crystal remains stable in the absence of a high ionic strength environment.

DNA triplex formation decorates DNA crystals with sub-nanometer precision

A specially designed triplex forming oligonucleotide bearing a cargo molecule binds to a specific sequence in the major groove of a DNA double helix to form a modified DNA tile that self assembles into a macroscopic crystal in which each helix carries a cargo molecule positioned to sub-nanometer precision.

Macroscopic DNA crystals from molecular tensegrity triangles

Structural DNA nanotechnology: progress toward a precise self-assembling three dimensional scaffold by building macroscopic crystals from nanoscale structures.

Five ionized atoms provide scalable implementation of quantum computation algorithm

Five calcium ions held several micrometers apart in an ion trap and manipulated by laser pulses implement Shor’s factorization algorithm more efficiently than previous implementations.

DNA nanotechnology defeats drug resistance in cancer cells

Small, stiff, rectangular rods made using scaffolded DNA origami bypass drug resistance mechanisms in the membranes of a cultured leukemia cell line and release enough therapeutic drug to kill the cancer cell.

Foresight Institute appoints Julia Bossmann as new president

Foresight Institute, a leading think-tank for transformative future technologies, such as nanotechnology, synthetic biology, and artificial intelligence, announced that Julia Bossmann has joined the organization as president.

Nanotechnologies to advance solar energy utilization

Increasing efficiency and utilization and lowering costs for harvesting, converting, transporting, and storing energy produced from sunlight provides a showcase for a variety of nanoscale materials, structures, and processes.

Caltech celebrates ten years of Scaffolded DNA Origami

California Institute of Technology is holding a symposium to honor Paul Rothemund’s seminal contribution to the field of DNA nanotechnology: the research paths opened by the technology, and where they might lead.

Crowd-sourced RNA structure design uncovers new insights

Thousands of amateurs playing the online RNA folding game Eterna, backed up by a real-world automated lab testing their predictions, have provided insights to improve the algorithms computers use to design RNA molecules.

Will medical 3D printing advance nanotechnology?

Do sophisticated medical applications of 3D printing, like printing titanium bones or human tissues, that portend wider use, also perhaps point toward eventual nanoscale applications as the technology improves?

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