ssDNA Binding Reveals the Atomic Structure of Graphene
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Trinuclear organometallic macrocycles are able to complex amino acids and peptides in aqueous solution. The complexation, which is driven by hydrophobic and π − π interactions, induces a large shift of the 1H NMR signals of the guest. The organometallic ho ...
We report the near-edge x-ray absorption fine-structure (NEXAFS) spectrum of a single layer of graphite (graphene) obtained by micromechanical cleavage of highly ordered pyrolytic graphite on a SiO2 substrate. We utilized a photoemission electron microscop ...
The thesis presents the development of a custom made atomic force microscope (AFM) conceived to image biological molecules at low temperatures in ultrahigh vacuum conditions, and its application to DNA single molecule studies. Starting from a first prototy ...
The general idea of Nanotechnology is not new – it has been studied since Nobel laureate Richard Feynman outlined the idea in a speech in 1959 – but it's only recently that the progress carried out in the various fields of material, optic, physic and engin ...
When treated with anisaldehyde dimethylacetal the O-benzyl ester protected dipeptide Fmoc-NMeIle-Thr-OBzl (2, cf. Scheme 3), cyclizes to the 2-C(S) epimer 3b assigned by NMR spectroscopy to chirality (R) at the 2-C position of the resulting substituted 1,3 ...
The trinuclear arene-ruthenium cluster cation, Ru3H3(O)(C10H14)2(C14H16O4), has been synthesized and crystallized as the tetrafluoroborate (BF4-) salt. The cations form, along the b axis, infinite one-dimensional chains through pi-stacking interaction ...
Electrophilically induced cyclic acetal formation of the O-benzyl dipeptide esters Fmoc-NMeIle-Thr-OBn (1) and of Fmoc-Pro-Thr-OBn (6) has been observed to lead predominantly to the (R) diastereomers 2b and 8b at the 2-C position of the resulting substitut ...
Taking a a turn. Short tripeptides that form stable ß turns in water are remarkably stable against chemical and thermal degradation. Terminal cation-π interactions lead to stabilization of these turns that are formed independently of sequence. ...
Graphene has been dominating the electronic research community recently, with a brisk surge in proposals for its use in novel devices. The aspirations of 2D-carbon-based electronics largely rely on the availability of a mass-production technique to obtain ...
