User profiles for "author:Simmel author:F.C."
Friedrich C. SimmelProfessor of Physics, TU München Verified email at tum.de Cited by 9790 |
A DNA-fuelled molecular machine made of DNA
Molecular recognition between complementary strands of DNA allows construction on a
nanometre length scale. For example, DNA tags may be used to organize the assembly of
colloidal particles 1, 2, and DNA templates can direct the growth of semiconductor …
nanometre length scale. For example, DNA tags may be used to organize the assembly of
colloidal particles 1, 2, and DNA templates can direct the growth of semiconductor …
DNA-based self-assembly of chiral plasmonic nanostructures with tailored optical response
Matter structured on a length scale comparable to or smaller than the wavelength of light can
exhibit unusual optical properties 1. Particularly promising components for such materials
are metal nanostructures, where structural alterations provide a straightforward means of …
exhibit unusual optical properties 1. Particularly promising components for such materials
are metal nanostructures, where structural alterations provide a straightforward means of …
Nucleic acid based molecular devices
Y Krishnan, FC Simmel - Angewandte Chemie International …, 2011 - Wiley Online Library
In biology, nucleic acids are carriers of molecular information: DNA's base sequence stores
and imparts genetic instructions, while RNA's sequence plays the role of a messenger and a
regulator of gene expression. As biopolymers, nucleic acids also have exciting …
and imparts genetic instructions, while RNA's sequence plays the role of a messenger and a
regulator of gene expression. As biopolymers, nucleic acids also have exciting …
Synthetic lipid membrane channels formed by designed DNA nanostructures
M Langecker, V Arnaut, TG Martin, J List… - …, 2012 - science.sciencemag.org
We created nanometer-scale transmembrane channels in lipid bilayers by means of self-
assembled DNA-based nanostructures. Scaffolded DNA origami was used to create a stem
that penetrated and spanned a lipid membrane, as well as a barrel-shaped cap that adhered …
assembled DNA-based nanostructures. Scaffolded DNA origami was used to create a stem
that penetrated and spanned a lipid membrane, as well as a barrel-shaped cap that adhered …
DNA fuel for free-running nanomachines
We describe kinetic control of DNA hybridization: loop complexes are used to inhibit the
hybridization of complementary oligonucleotides; rationally designed DNA catalysts are
shown to be effective in promoting their hybridization. This is the basis of a strategy for using …
hybridization of complementary oligonucleotides; rationally designed DNA catalysts are
shown to be effective in promoting their hybridization. This is the basis of a strategy for using …
Single-molecule kinetics and super-resolution microscopy by fluorescence imaging of transient binding on DNA origami
DNA origami is a powerful method for the programmable assembly of nanoscale molecular
structures. For applications of these structures as functional biomaterials, the study of
reaction kinetics and dynamic processes in real time and with high spatial resolution …
structures. For applications of these structures as functional biomaterials, the study of
reaction kinetics and dynamic processes in real time and with high spatial resolution …
DNA nanodevices
FC Simmel, WU Dittmer - Small, 2005 - Wiley Online Library
The molecular recognition properties of DNA molecules combined with the distinct
mechanical properties of single and double strands of DNA can be utilized for the
construction of nanodevices, which can perform ever more tasks with possible applications …
mechanical properties of single and double strands of DNA can be utilized for the
construction of nanodevices, which can perform ever more tasks with possible applications …
A DNA‐based machine that can cyclically bind and release thrombin
WU Dittmer, A Reuter, FC Simmel - Angewandte Chemie …, 2004 - Wiley Online Library
A DNA aptamer structure is the basis of a molecular machine that can be instructed to grab
or release the human blood‐clotting factor α‐thrombin, depending on the operator DNA
sequence addressing it. In the picture the aptamer structure, which assumes a conformation …
or release the human blood‐clotting factor α‐thrombin, depending on the operator DNA
sequence addressing it. In the picture the aptamer structure, which assumes a conformation …
Distance dependence of single-fluorophore quenching by gold nanoparticles studied on DNA origami
We study the distance-dependent quenching of fluorescence due to a metallic nanoparticle
in proximity of a fluorophore. In our single-molecule measurements, we achieve excellent
control over structure and stoichiometry by using self-assembled DNA structures (DNA …
in proximity of a fluorophore. In our single-molecule measurements, we achieve excellent
control over structure and stoichiometry by using self-assembled DNA structures (DNA …
Switching the conformation of a DNA molecule with a chemical oscillator
pH oscillations generated by a nonequilibrium chemical reaction are used to switch a pH-
sensitive DNA structure between two distinct conformations. The utilization of a chemical
oscillator represents a novel method for achieving autonomous motion in molecular devices …
sensitive DNA structure between two distinct conformations. The utilization of a chemical
oscillator represents a novel method for achieving autonomous motion in molecular devices …