A novel detection technology, developed by a research team led by Prof. ZHANG Weijun from Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences (CAS) recently, realized fast and ...

Lock-in amplifiers use phase-sensitive detection to measure the presence of small signals buried in large amounts of noise. By measuring the coherent system response from an incoming AC signal, the ...

Experimental setup of the device detecting lead ions in a drop of water. Credit: Bandaru Lab/UC San Diego Engineers at the University of California San Diego have developed an ultra-sensitive sensor ...

Since the first high performance liquid chromatographs (HPLC) hit laboratories in the 1960s, refractive index (RI) detectors have enabled the discovery of testing materials that do not possess ...