High-Resolution Mapping of Photocatalytic Activity by Diffusion-Based and Tunneling Modes of Photo-Scanning Electrochemical Microscopy.

Semiconductor nanomaterials and nanostructured interfaces have important technological applications, ranging from fuel production to electrosynthesis. Their photocatalytic activity is known to be highly heterogeneous, both in an ensemble of nanomaterials and within a single entity. Photoelectrochemical imaging techniques are potentially useful for high-resolution mapping of photo(electro)catalytic active sites; however, the nanoscale spatial resolution required for such experiments has not yet been attained.

Nitrogen Reduction Testing with Real-Time NH Yield Quantification Using Orbital Multiturn Time-of-Flight Mass Spectrometry.

Yield validation of dinitrogen reduction reaction (NRR) catalysts with N isotope labeling experiments is frustrated by the high cost of N and the frequent occurrence of NH and NO impurities in commercial N sources. Also, gas diffusion electrode (GDE) cell architectures are relevant to scaling NRR but underexplored and limited by ex situ product analysis methods. To overcome these obstacles, we develop and demonstrate a protocol for NRR catalyst testing using a scalable GDE cell architecture and specialized test station that facilitates in-line product analysis with multiturn time-of-flight mass spectrometry.

COCCOS study: Developing a transition program for adolescents with chronic conditions using Experience-Based Co-Design. A study protocol.

Background: During adolescence, adolescents and young adults (AYAs) are expected to transfer their care from the pediatric environment towards an adult-focused setting. To prevent an abrupt transfer of care, it is recommended to provide AYAs with chronic conditions an adequate transition program. The aim of this paper is to describe the study protocol for the development of a transition program for AYAs with common chronic conditions (COCCOS study), using the Experience-Based Co-Design (EBCD) methodology.

Membranes Matter: Preventing Ammonia Crossover during Electrochemical Ammonia Synthesis.

The electrochemical nitrogen and nitrate reduction reactions (E-NRR and E-NORR) promise to provide decentralized and fossil-fuel-free ammonia synthesis, and as a result, E-NRR and E-NORR research has surged in recent years. Membrane NH/NH crossover during E-NRR and E-NORR decreases Faradaic efficiency and thus the overall yield. During catalyst evaluation, such unaccounted-for crossover results in measurement error.

Utility of Gynecological Teaching Associates.

Introduction Gynecological teaching associates (GTAs) are trained to teach the pelvic exam using themselves as models, and it has been hypothesized that their use can improve learners' confidence and interpersonal skills. This study aims to gain greater insight into whether the use of GTAs is associated with increased medical students' confidence when performing the pelvic exam during clinical rotations. Methods An email survey was distributed to medical students in two different classes at a single United States Medical Licensing Examination (USMLE)-accredited medical school: one that learned the pelvic exam using GTAs and one that did not.