Case-control studies are among the most commonly used means of assessing association between exposure and outcome. Sample size determination and the optimal control-to-case ratio are vital to the ...

Sample size determination is an important component of study design and can frequently be addressed using the multinomial probability model. The sample size determination procedures of Tortora and ...

Show More From the Clinical Trials Research Unit, University of Leeds; Cancer Research UK Centre, University of Leeds, St James's Institute of Oncology, Leeds; University of Aberdeen, United Kingdom; ...

Figure 1: Typical characterization schemes for core–shell nanoparticles. Figure 3: 2D AUC distributions for both nanoclusters and PDT-capped nanoparticles. After proving the effectiveness of our ...

Yan Zhuang specializes in the areas of sequential analysis, sampling strategies, sample size determination, and statistical inference. She also enjoys working with people from other disciplines to ...

With low particulate loading common in stack emissions these days, particulate matter measurement can be difficult using traditional techniques. Microscopical measurement of particle-size ...

Static light scattering (SLS) is a non-invasive technique used for characterizing macromolecules in solution. A beam of monochromatic light is directed through a sample and the intensity of the light ...