Technical Articles

In the last installment (Part 32, American Laboratory, Nov/Dec 2008) of this series, three detection limits (DLs) were calculated (via the 3-Sigma [3s] approach, where a is set to be 0.01) for a ... read more

Chemical mechanical planarization (CMP) slurries are typically colloidal dispersions of silicon dioxide (SiO2) in an acid or base solution. They are integral to the semiconductor industry, emerging as... read more

Humans have been eating fish for thousands of years, enjoying its nutritional benefits. In extreme cases, health risks posed by contaminants can outweigh the health benefits imparted by fish ... read more

Rheology is defined as the study of the flow and deformation of fluids. Based on the need to quickly and accurately set and control processing conditions, optimize product performance, and/or ... read more

Today’s pharmaceutical, chemicals, materials, and consumer packaged goods (CPG) organizations must deal with a number of competing challenges: From a business perspective, they face growing pressures ... read more

The current H1N1 flu pandemic has put a spotlight on public health agencies as they work to identify and contain the outbreak. read more

Compounds such as antibiotics, over-the- counter medicines, and caffeine drain through the sewage system largely unaltered into rivers and streams, and even enter the drinking water supply in very ... read more

Photostimulation techniques are among the most powerful microscopy tools available to life science researchers. read more

The invention of atomic force microscopy (AFM) has revolutionized contemporary microscopy and empowered researchers with a unique method to study materials at the submicron scale. read more

Part 28 (American Laboratory, Nov/Dec 2007) laid the framework for discussing detection limits. The relationship among the detection limit (DL), the probability of false positives (a), and the ... read more