Although the tissues are not nearly as effective at generating a signal as the contrast agent, the quantity of the tissue is much greater than the quantity of the contrast agent and so the background signal
is very high," said lead author Xiaohu Gao, a UW assistant professor of bioengineering.
These kits, optimized for inhibitor screening, contain high-performance fluorogenic substrates which exhibit high reactivity and low background signal
The average signal detected from the animals treated with venom was significantly above the background signal
detected from the saline treatment for up to 21 days after the initial treatment (Figure 2, 3, and 4).
It is demonstrated that the developed CTFOB dip-probe is a highly specific detector as the signal from the non specific protein was not more than the background signal
Because the human body contains no naturally occurring magnetic materials visible to MPI, there is no background signal
In addition to stability, an ideal performance qualification tool should mimic a microarray with similar spot sizes, resolution, concentrations, and background signal
First the background signal
is determined, and based on this value a 5-SD threshold above background is created.
Each A-scan is recorded containing reflection signals above a preset threshold, relative to the background signal
A large background signal
originates from the emission of many chromophores in the far-field illuminated volume.
The SynchroMaster555 uses chroma keying (mixing signals via a chosen colour, usually blue or green) to bring the background signal
through the foreground, and either channel can be configured as fore- or background.
The stability level of the background signal
can be estimated by Figure 1B, which shows the recording of the photodetector indication at the inactive radiation source.
For simplicity, the tests were conducted in solution that inherently caused an increase in background signal
due to random chance interactions between free-floating complexes.