«This architecture paves the way for advances
in nanomechanical sensing,» the researchers write.
Not exact matches
In a stressed area, how are
nanomechanical properties changing?
Researchers at NTNU's
Nanomechanical Lab and from the university's Department of Chemistry and their collaborators
in China and the Netherlands are interested
in understanding the relation between molecular structures and the mechanical stability of materials.
Armed with a powerful set of tools at EPFL's Center of MicroNanoTechnology, researchers
in Kippenberg's lab set about engineering
nanomechanical devices with deliberately enhanced stress and dissipation dilution.
Those data were then combined with information about functional changes
in cell behavior to develop a
nanomechanical profile, or phenotype, for specific cellular states.
In this new study, the team took advantage of graphene's mechanical «stretchability» to tune the output frequency of their custom oscillator, creating a
nanomechanical version of an electronic component known as a voltage controlled oscillator (VCO).
In future, even electronic switches could be replaced by
nanomechanical switches, which would use less energy for switching on and off than conventional transistors.
The team's
nanomechanical detection method practically eliminates the need for cumbersome biochemical reactions used
in today's technologies.
As a hybrid, the instrument, described
in a paper published
in Nature Nanotechnology, combines the disciplines of nanospectroscopy and
nanomechanical microscopy.
As described Aug. 10
in the journal Nature Nanotechnology, Hybrid Photonic -
Nanomechanical Force Microscopy (HPFM) can discern a sample's topographic characteristics together with the chemical properties at a much finer scale.
Correlative
nanomechanical profiling with super-resolution F - actin imaging reveals novel insights into mechanisms of cisplatin resistance
in ovarian cancer cells Sharma S, Santiskulvong C, Bentolila, L A, Rao J, Dorigo O and Gimzewski J K 2012 Nanomedicine: Nanotechnology, Biology, and Medicine 8 757 - 766
«We developed a unique
nanomechanical approach to precisely control and quantify the ultralarge elastic strain distributed
in the nanodiamond samples,» said Yang Lu, associate professor at Chinese University of Hong Kong (CUHK).
D. Salerno, D. Brogioli, V. Cassina, D. Turchi, G.L. Beretta, D. Seruggia, R. Ziano, F. Zunino, F. Mantegazza, «Magnetic tweezers measurements of the
nanomechanical properties of DNA
in the presence of drugs».