Surface chemical composition is fundamental to determining properties on the nanoscale, making precise control over surface chemistry critical to being able to optimise nanomaterials for virtually any application. Surface-engineering independent of the preparation of the underlying nanomaterial is particularly attractive for efficient, divergent synthetic strategies, and for the potential to cr...

Malicorium supported Ni0.5Zn0.5Fe2O4 magnetic nanoparticles were synthesized by a low-cost, simple,and environmentally benign procedure. The adsorbent was characterized by several methods includingX-ray diffraction (XRD), scanning electron microscopy (SEM) and Fourier transform infraredspectroscopy (FT-IR). Then, the potential of malicorium supported Ni0.5Zn0.5Fe2O4 magneticnanoparticles was in...

The dynamics of water confined in silica matrices MCM-41 C10 and C18, with pore diameter of 21 and 36 A, respectively, is examined by broadband dielectric spectroscopy (10(-2)-10(9) Hz) and differential scanning calorimetry for a wide temperature interval (110-340 K). The dynamics from capillary condensed hydration water and surface monolayer of water are separated in the analysis. Contrary to ...

A newly developed planar array infrared reflection-absorption spectrograph (PA-IRRAS) offers significant advantages over conventional approaches including fast acquisition speed, excellent compensation for water vapor, and an excellent capacity for large infrared accessories, e.g., a water trough. In this study, the origin of stereocomplexation in a polylactide enantiomeric monolayer at the air...

bottom-up approaches have emerged as promising alternatives for generation of organized nanostructures and electronic components. [ 4 ] Bottom-up techniques generally rely upon molecular self-assembly phenomena to produce defi ned structures that could be practically utilized. [ 5 , 6 ] Here, we describe a new bottom-up approach for construction of thin-fi lm TCEs through self-assembly of alkyl...

To investigate polymer friction and the role of surface roughness on polymer tribology, microtribometry testing was performed using hydrocarbon films ranging in roughness from a molecularly smooth monolayer to extremely rough polymethylene coatings that were prepared on both the substrate (a flat silicon wafer) and the probe (a 6 mm borosilicate lens). The results show that the rough topography...

UV-vis reflection spectroscopy has been used for proving in situ the organization of pure viologen and hybrid viologen tetracyanoquinodimethanide monolayers at the air-water interface. Other more classical measurements concerning Langmuir monolayers, including surface pressure-area and surface potential-area isotherms, are also provided. The organization of the viologen in the Langmuir monolaye...

Phospholipid molecules are one of the fundamental building blocks of cell membranes in living organisms. These molecules are amphipathic with two hydrophobic fatty acid chains (tails) linked to a phosphate containing hydrophilic group (head) by a glycerol molecule. A bilayer lipid membrane (BLM), which is two phospholipids thick, is a 6-10 nm thick membrane and can be used to seal a porous mate...