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John Tumpane

Researcher at Chalmers University of Technology

Publications -  7
Citations -  475

John Tumpane is an academic researcher from Chalmers University of Technology. The author has contributed to research in topics: Electron transfer & Oligonucleotide. The author has an hindex of 6, co-authored 7 publications receiving 461 citations.

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Template-directed oligonucleotide strand ligation, covalent intramolecular DNA circularization and catenation using click chemistry.

TL;DR: A template-free click-ligation reaction has been used for the intramolecular circularization of a single stranded oligonucleotide which was used as a template for the synthesis of a covalently closed DNA catenane.
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Triplex addressability as a basis for functional DNA nanostructures.

TL;DR: The formation of a fully addressable DNA nanostructure that shows the potential to be exploited as an information storage device based on pH-driven triplex strand formation or nanoscale circuits based on electron transfer is presented.
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Addressable high-information-density DNA nanostructures

TL;DR: The formation of a nano-network’s fundamental cell, a DNA pseudo-hexagon of side 4 nm, will allow functionalization with sub-nanometer precision yielding unprecedented richness in information density, important in the context of Moore's Law and nano-chip technology.
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Membrane-Anchored DNA Assembly for Energy and Electron Transfer

TL;DR: The results show the suitability of this system as a prototype for DNA-based light-harvesting devices, in which energy transfer from the aqueous phase to the interior of the lipid membrane is followed by charge separation.
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Alignment of carbon nanotubes in weak magnetic fields.

TL;DR: Functionalized carbon nanotubes facilitate a high degree of orientation in a weak magnetic field H → , as detected by linear dichroism spectroscopy (incident planes of light A⊥ and A∥) and relaxation measurements in the magnetic field allow the length of the nanot tubes to be determined.