Illicit drugs are listed under five categories,namely, narcotics, stimulants, depressants, hallucinogens, and cannabis. These categories include drugs that are produced legally and prescribed by ... read more

Scientists and engineers around the world use computer software for research, design, and production. Analytical equipment manufacturers are developing the latest tools that make possible proper use ... read more

At the annual American Chemical Society spring meeting in 2010, researchers described how active pharmaceutical ingredients (APIs) contained within medications that are applied topically to the skin ... read more

While O’Farrell first described two-dimensional electrophoresis (2DE) of proteins 35 years ago, it remains one of the most widely used tools in proteomics today. read more

Whatever your application, when purchasing an XRF analyzer, it all comes down to application. Elemental composition (both the range of elements in your samples and their variability), sample size and ... read more

The beginning of the 1960s witnessed the widespread introduction of physical sciences methods and techniques in archaeology. Along with instrumental neutron activation, X-ray fluorescence (XRF) ... read more

Hormones, such as androgens (AS), estrogens (ES), and progestogens (PS), play an important role in organisms. AS, the main male sex steroids,which are the critical factors responsible for the ... read more

The proven marks of modern laboratory design are sharing of resources, flexible use of space,and the ability to adapt to changing needs. In constructing various laboratories throughout the years, ... read more