Hi Jeroen,

We used a BioRad iCycler iQ for the measurements in
"Thermofluor-based high-throughput stability optimization of proteins for structural studies." Ericsson, et. al. Analytical Biochemistry (2006) 357:289-298. The wavelengths for excitation and detection were ~490 and ~575 nm, respectively (for Sypro Orange). See http://probes.invitrogen.com/handbook/figures/0020.html for wavelength (band) selection.
The iCycler iQ is highly dependable and very sensitive.

Best regards,

Martin

On Feb 12, 2008, at 6:07 PM, mesters wrote:

Sorry for the off-topic but can somebody recommend highly a sensitive RT-PCR machine for the thermofluor experiment (sypro orange). That would imply excitation below 500 nm (ideally 470) and detection at about 570 nm, right? I know several simple machines have a problem with the 570 nm...

Jeroen.

.
B. Martin Hallberg, PhD
Assistant professor
Department of Cell and Molecular Biology
Medical Nobel Institute
Karolinska Institutet
von Eulers v. 1
SE-171 77 Stockholm
Sweden

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