Technical Articles

Over the last 50 years, there has been increasing legislation relating to environmental protection and quality. read more

Terahertz (1 THz = 1012 Hz) spectroscopic techniques provide the ability to noninvasively explore low-frequency motions in molecular systems in the far-infrared region of the electromagnetic spectrum. read more

In the past articles, the discussions about methods have always dealt with procedures that estimate sample concentrations over a range of levels. read more

Measurement is at the heart of what analytical chemists do on a routine basis. read more

With each year, Cambridge Healthtech Institute’s (CHI) Molecular Medicine Tri-Conference continues to expand. read more

At Pittcon in 2004, Waters (Milford, MA) introduced the ACQUITY UPLC chromatograph with a 15,000-psi Pmax, and the rest of the LC world had to play an intense game of catch-up. read more

Many different types of transitions appear in the far-infrared (FIR) region. read more

Screening for the interaction of small molecules with proteins is usually carried out by indirect methods by means of artificial labels or reporter systems. read more

While a Fourier transform infrared (FTIR) spectrophotometer provides a number of benefits relative to a scanning IR spectrophotometer,a significant disadvantage of an FTIR system is that the presence ... read more

This month’s installment is the third in a series of real-world examples of calibration diagnostics. read more