Characterization of nanoblisters on HOPG surface

Study of NAP Adsorption and Assembly on the Surface of HOPG 1 Study of NAP Adsorption

NAP is an octapeptide that has demonstrated a neuroprotective/therapeutic efficacy at very low concentrations in preclinical studies and in a number of clinical trials. Yet little is known about its structural organization at low concentrations. Here, we have employed atomic force microscopy to investigate NAP peptide assembly on graphite in aqueous media at nanomolar concentration. High spatia...

Study of NAP adsorption and assembly on the surface of HOPG.

NAP is an octapeptide that has demonstrated a neuroprotective/therapeutic efficacy at very low concentrations in preclinical studies and in a number of clinical trials. Yet little is known about its structural organization at low concentrations. Here, we have employed atomic force microscopy to investigate NAP peptide assembly on graphite in aqueous media at nanomolar concentration. High spatia...

nhancement of adsorption on graphite (HOPG) by modification of surface chemical functionality and morphology

The effects of chemical functional groups and surface morphology on the adsorption /desorption behavior of a model non-polar organic adsorbate (propane) on model carbonaceous surfaces [air-cleaved highly oriented pyrolytic graphite (HOPG) and plasma-oxidized HOPG], were investigated using temperature-programmed desorption (TPD). Oxygenand hydrogen-containing functional groups exist on both air-...

Surface contributions to the XPS spectra of nanostructured NiO deposited on HOPG

Two-dimensional assemblies of banana-shaped liquid crystal molecules on HOPG surface.

Two-dimensional assemblies of a series of banana-shaped liquid crystal molecules, 1,3-phenylene bis[4-(4-n-alkylphenyliminomethyl) benzoates] (P-n-PIMB, n = 12, 14, 18), are investigated on a highly oriented pyrolytic graphite (HOPG) surface by using scanning tunneling microscopy (STM) at a submolecular level in an ambient environment. Two types of molecular arrangements are observed in these s...