Blue phosphorene on Au(111): theoretical, spectroscopic and diffraction analysis reveal the role of single Au adatoms.

In investigating the monoatomic layers of P, several stable two-dimensional (2D) allotropes have been theoretically predicted. Among them, single-layer blue phosphorus (BlueP) appears to deliver promising properties. After initial success, where the structure of BlueP triangular patches on Au(111) was conceived on the basis of scanning tunneling microscopy (STM) and density functional theory (DFT), the surface structure model was revisited multiple times with increasing accuracy and insight of theoretical calculations and experimental datasets.

Levonorgestrel intrauterine device with absence of threads: don't take expulsion for granted! A case series of possible errors in ultrasound evaluation, in case of "lost IUDs".

Levonorgestel intrauterine devices are safe contraceptive methods, with even medical indications. However, they may present rare, but severe complications such as perforation and abdominal dislocation. Ultrasound assessment may be limited if a medicate intrauterine device is lost, due to its particular echogenicity.

Electrochemical and Structural Characterization of Lanthanum-Doped Hydroxyapatite: A Promising Material for Sensing Applications.

In the quest to find powerful modifiers of screen-printed electrodes for sensing applications, a set of rare earth-doped CaRE(PO)(OH) (RE = La, Nd, Sm, Eu, Dy, and Tm and x = 0.01, 0.02, 0.

Sensitive Detection of Industrial Pollutants Using Modified Electrochemical Platforms.

Water pollution is nowadays a global problem and the effective detection of pollutants is of fundamental importance. Herein, a facile, efficient, robust, and rapid (response time < 2 min) method for the determination of important quinone-based industrial pollutants such as hydroquinone and benzoquinone is reported. The recognition method is based on the use of screen-printed electrodes as sensing platforms, enhanced with carbon-based nanomaterials.