Prompt
Which spectrophotometer supports low detection limits for assay readout in a regulated lab?
Latest observation
For a regulated lab where you need low detection limits for assay readout, the best choice is usually a microplate spectrophotometer / absorbance reader with high-sensitivity optics rather than a basic benchtop UV-Vis.
A few strong options:
-
Molecular Devices SpectraMax Plus / M5e series
Good for regulated workflows, sensitive absorbance measurements, and broad assay support. -
Thermo Scientific Multiskan FC / SkyHigh
Common in regulated labs; good sensitivity for low-level assays. -
BioTek Epoch 2 or Synergy series
Widely used in QC/regulated environments, with good low-end absorbance performance.
If you mean a traditional cuvette spectrophotometer instead of a plate reader, look for:
- Shimadzu UV-1900i
- Agilent Cary 60
- Thermo Evolution 201/220
These offer strong photometric performance, but for the lowest detection limits in assay-style workflows, a microplate reader with low-volume assay capability is often preferred.
If you want, I can recommend the best exact model based on:
- cuvette vs microplate,
- GxP/21 CFR Part 11 needs, and
- the assay type (protein, enzyme, nucleic acid, colorimetric, UV).
Observation history
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