The solid state photomultiplier: Status of photon counting beyond the near-infrared

Rockwell International's Solid State Photomultiplier (SSPM) is an impurity-band avalanche device which can count individual photons with wavelengths between 0.4 and 28 micrometers. Its response to a photon is a pulse of between 10(exp 4) and 10(exp 5) conduction electrons, making it an important device for use in phenomenology. The characteristics of the SSPM make it a potentially important device for use in astronomical applications. Contract NAS2-12400 was initiated in June 1986 to conduct modeling and characterization studies of the SSPM to provide a basis for assessing its use in astronomical systems. Some SSPM models and results of measurements which characterize the group of SSPMs recently fabricated on this contract are discussed

A Review of Literature on Health-Related Quality of Life of Retinoblastoma Survivors.

Background: Retinoblastoma is a malignant tumor of the eye that typically presents in early childhood and occurs in approximately 1 in 20,000 births. While active treatment of the tumor is typically completed in childhood, survivors often suffer from long-term effects from treatment including visual impairment, facial deformities, and fear of recurrence or secondary cancer. However, little is known how these long-term effects affect their health-related quality of life (HRQOL). Purpose: To review the literature on HRQOL in retinoblastoma survivors. Method: We searched three electronic databases from January 2005 to December 2018 for original research articles reporting on HRQOL or individual domains such as function, cognition, and psychosocial outcomes in retinoblastoma survivors. Results: A total of 59 articles were reviewed and 15 were identified as eligible. Five of the studies reported worse HRQOL in retinoblastoma survivors than controls or general population norms. Parent-proxy ratings were worse than survivors' self-reports. Conclusion: Our findings confirm the need for further HRQOL research to assess the factors influencing long-term outcomes associated with treatment in adolescent and young adult retinoblastoma survivors. By identifying any potential deficits in specific domains of HRQOL, early interventions might be developed to improve HRQOL in retinoblastoma survivors

Direct microwave measurement of Andreev-bound-state dynamics in a proximitized semiconducting nanowire

The modern understanding of the Josephson effect in mesosopic devices derives from the physics of Andreev bound states, fermionic modes that are localized in a superconducting weak link. Recently, Josephson junctions constructed using semiconducting nanowires have led to the realization of superconducting qubits with gate-tunable Josephson energies. We have used a microwave circuit QED architecture to detect Andreev bound states in such a gate-tunable junction based on an aluminum-proximitized InAs nanowire. We demonstrate coherent manipulation of these bound states, and track the bound-state fermion parity in real time. Individual parity-switching events due to non-equilibrium quasiparticles are observed with a characteristic timescale $T_\mathrm{parity} = 160\pm 10~\mathrm{\mu s}$. The $T_\mathrm{parity}$ of a topological nanowire junction sets a lower bound on the bandwidth required for control of Majorana bound states

TIMED Doppler Interferometer on the Thermosphere Ionosphere Mesosphere Energetics and Dynamics satellite: Data product overview

Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/94699/1/jgra18252.pd

The rural pharmacy practice landscape: challenges and motivators

Background: Health outcome delivery for rural and remote Australian communities is challenged by the maldistribution of the pharmacy workforce. High staff turnover rates, reduced pharmacist numbers, and reliance on temporary staff have placed great strain on both state health services and rural community pharmacies. However, recent changes to the demographic profile of the rural pharmacist including a lower average age and increased time spent in rural practice highlights a more positive future for the delivery of better health outcomes for rural communities. The aim of this study was to investigate the factors that motivate and challenge pharmacists' choice to practice rurally. Methods: Rural pharmacists were invited to participate in semi-structured interviews using purposive non-probability sampling. Twelve pharmacists were interviewed with early-, middle- and late-career pharmacists represented. Participants described their experiences of working and living in rural and remote locations. Three themes emerged: workforce, practice environment and social factors, which were examined to determine the underlying challenges and motivators impacting rural and remote pharmacy practice. Results: Lack of staff presented a workforce challenge, while motivators included potential for expanded scope of practice and working as part of a multidisciplinary team. While social isolation has often been presented as a challenge, an emerging theme highlighted that this may no longer be true, and that notions of "rural and remote communities as socially isolated was a stigma that needed to be stopped". Conclusion: This study highlights that despite the challenges rural pharmacists face, there is a shift happening that could deliver better health outcomes for isolated communities. However, for this to gain momentum, it is important to examine both the challenges and motivators of rural pharmacy practice to provide a platform for the development and implementation of appropriate frameworks and programs to better support the rural pharmacy workforce

Targeted vagus nerve stimulation for rehabilitation after stroke

No abstract available

Characterization of carbon anode materials by image analysis

Carbon anodes are made of calcined petroleum coke, recycled carbon materials (butts and anodes), and coal tar pitch. The pitch and coke properties strongly influence the anode quality. Highquality anodes help reduce the energy consumption and environmental emissions during the electrolysis. Methods have been developed to characterize the structural aspects of green and baked anodes, coke-pitch and biocoke-pitch samples from the sessile-drop wettability tests as well as the solid particles of various pitches. These methods are based on the analysis of the images obtained by the optical and scanning electron microscopy techniques. Such data help determine the possible impact on anode quality. Biocokes could serve as alternate raw materials for the partial replacement of petroleum coke, and biocoke samples were prepared from wood by calcination at high temperatures. The wetting of biocokes by pitch was compared with that of petroleum coke. This article presents the results of the characterization work