Absorption photometry of patterned deposits on IMPROVE PTFE filters.

The IMPROVE program (Interagency Monitoring of PROtected Visual Environments) tracks long-term trends in the composition and optics of regional haze aerosols in the United States. The absorptance of red (633-nm) light is monitored by filter photometry of 24 h-integrated samples of fine particulate matter (PM 2.5).

Easy-to-configure zero-dimensional valley-chiral modes in a graphene point junction.

The valley degree of freedom in two-dimensional (2D) materials can be manipulated for low-dissipation quantum electronics called valleytronics. At the boundary between two regions of bilayer graphene with different atomic or electrostatic configuration, valley-polarized current has been realized. However, the demanding fabrication and operation requirements limit device reproducibility and scalability toward more advanced valleytronics circuits.

Perceptions of near-peer teaching in a pharmacy skills-based laboratory.

Objective: To assess the perception of students, faculty, and previous lab coaches on a near-peer teaching model integrated into a skills-based laboratory.

Methods: As part of a longitudinal near-peer teaching experience, third professional year students are utilized as lab coaches in a skills-based laboratory course. Lab coaches deliver lectures, provide feedback, facilitate activities, and assist with class preparation spanning 2 semesters for first and second professional year students.