Previous studies have established a relationship between duodenal mucosa-associated microbiota and overall health. However, sampling duodenal microbiota is technically challenging. Mucosal biopsies ...

Large environmental health studies are increasing demand for reliable and unobtrusive methods to measure exposure. Innovation in passive air sampler design has the potential to address this need for ...

Stratified sampling is a sampling method in which a population is divided into clearly defined subgroups, called strata, based on shared characteristics that are relevant to the research objective.

As a quality control or researcher, or , it's a common practices to use a certain sampling method to check whether that particular population already met with customer requirement. Sampling is the ...

Aerosol samplers are critical tools for studying indoor and outdoor aerosols. Development and evaluation of samplers is often labor-intensive and time-consuming due to the need to use monodisperse ...

A swab-sampling method was developed for cleaning validation of a residual active pharmaceutical ingredient in samples collected after cleaning the sampling suite. A summary of the strategies and ...

Abstract: A radio environment map (REM) is an important basis for efficient spectrum management in wireless networks. Unmanned aerial vehicles (UAVs) can effectively detect the REM in unfamiliar ...

Melissa Horton is a financial literacy professional. She has 10+ years of experience in the financial services and planning industry. Robert Kelly is managing director of XTS Energy LLC, and has more ...

Abstract: This paper proposes a method for vertex-wise aggregation sampling of a broad class of graph signals, designed to attain the best possible recovery based on the generalized sampling theory.