Diane Lambert, Bruce Peterson, Irma Terpenning, Nondetects, Detection Limits, and the Probability of Detection, Journal of the American Statistical Association, Vol ...

The common principle in colorimetric methods of detection is that the enzyme activity or concentration of an unknown sample is assessed by a calibration curve.

Researchers have produced a new archaeological tool which could answer key questions in human evolution. The new calibration curve, which extends back 50,000 years, is a major landmark in ...