Application Notes

Charge transfer chemical ionization (CI) was among the ionization types studied decades ago by researchers investigating fundamental Characteristics of chemical ionization. However, the technique was ... Read More

Precise and biologically relevant in vitro studies require the ability to analyze cell responses to perturbations over time. In order to achieve successful long-term cell culture and imaging, however,... Read More

Biofuels—principally biodiesel and bioethanol—have become increasingly important as renewable fuels with a potentially lower carbon footprint than fossil fuels. Read More

Most chemists vaguely remember a portion of their instrumental analysis course that covered electroanalytical chemistry. Read More

RT-qPCR (reverse transcription-quantitative polymerase chain reaction) is used routinely by a broad spectrum of researchers to assess the absolute or relative quantity of genomic DNA (gDNA) or ... Read More

The Elemental Impurities Chapters <232> and <233> were due to appear this year in the U.S. Pharmacopeia (with similar sections in the European Pharmacopeia). The date has now been pushed back pending the ... Read More

The Michael Rout Lab at the Rockefeller University in New York, NY, initially contacted Retsch Inc. (Newtown, PA) in 2006 to discuss the possibility of using the Planetary Ball Mill to cryogenically... Read More

Tumor metastasis, inflammation, and development are accompanied by the invasion of cells through the extracellular matrix. Read More

Electronic laboratory notebooks (ELNs) emerged in the R&D landscape around 15 years ago with a commendable objective: reduce or eliminate the errors and inefficiencies driven by the use of paper ... Read More

A tractor trailer tanker truck with a full load of toxic chemicals traveling over a mountain pass veers off the road to avoid an oncoming vehicle; 6700 gallons of toxins begin to spill onto the bank, ... Read More