A systematic review of experiences of advanced practice nursing in general practice.

Background: Despite efforts to achieve conceptual clarity, advanced practice nursing continues to reside in a liminal space, unable to secure ongoing recognition as a viable means of healthcare delivery. This is particularly evident in general practice where advanced practice role development is more fluid and generally less supported by the hierarchical structures evident in the hospital system. This review synthesises published qualitative studies reporting experiences of advanced practice nursing in general practice.

Carbon nanotubes as a solid sorbent for the preconcentration of Cr, Mn, Fe, Co, Ni, Cu, Zn and Pb prior to wavelength-dispersive X-ray fluorescence spectrometry.

The preconcentration of trace elements on multiwalled carbon nanotubes (MWCNTs) followed by a wavelength-dispersive X-ray fluorescence analysis (WDXRF) has been investigated. The proposed preconcentration procedure is based on the sorption of trace elements on MWCNTs dispersed in analyzed solution. After sorption, the MWCNTs with the metal ions were collected onto the filter, and then the preconcentrated elements were determined directly by WDXRF.