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What are the Intra- assay and Inter-assay precision percent coefficient of variation for the concentrations between lots for E. coli host cell protein ELISA kit, ENZ-KIT127 ?
Concerning the E. coli host cell protein ELISA kit (ENZ-KIT127) our intra-assay %CV is
Tue, Jul 18, 2023
Are the immunogens used to produce anti-HCPs antibodiesin the CHO host cell protein ELISA kit (ENZ-KIT128) derived from the cell culture supernatant or extracted proteins from CHO cells?
The antigens used to produce anti-HCPs antibodies for CHO host cell protein ELISA kit, ENZ-KIT128 are purified from the conditioned…
Tue, Jul 18, 2023
Can CHO host cell protein standards (ENZ-PRT122) be used as internal control in Western Blot or as standards in CHO Host cell protein ELISA kit (ENZ-KIT128)?
CHO host cell protein standards (ENZ-PRT122) can be used in Western blot or in an ELISA. With CHO Host cell…
Tue, Jul 18, 2023
What is the lot-to-lot variation for CHO host cell protein ELISA kit, ENZ-KIT128?
In general, the antibodies provided with CHO host cell protein ELISA kit (ENZ-KIT12)8 are stable and we do not change…
Tue, Jul 18, 2023
How do we perform QC for E. coli host cell protein ELISA kit, ENZ-KIT127?
Quality control for E. coli host cell protein ELISA kit (ENZ-KIT127) is performed by randomly selecting multiple plates from each…
Tue, Jul 18, 2023
How are the capture anti-HCP antibodies produced for CHO host cell protein ELISA kit, ENZ-KIT128?
The anti-HCP antibodies used in CHO HCP ELISA kit, ENZ-KIT128 are produced from rabbit serum and affinity purified using protein…
Tue, Jul 18, 2023
Is there a requirement for bridging when changing lots of E. coli host cell protein ELISA kit, ENZ-KIT127?
A bridging study is required if this is a part of defined or specified SOP for a facility or a…
Tue, Jul 18, 2023
How are Quality control tests for each lot of E.coli host cell protein ELISA kit, ENZ-KIT127 performed?
Quality control testing is performed by randomly selecting multiple plates from each lot. All lot-specific components are tested together using…
Tue, Jul 18, 2023
What is the percent error range set for newly manufactured lots of E. coli Host Cell Protein ELISA kit, ENZ-KIT127?
We do not have defined cut-offs for % error when looking at the performance of new plate lots. Quality control…
Tue, Jul 18, 2023
For Quantitation Limit (QL) with E. coli Host Cell Protein ELISA kit, ENZ-KIT127, why is 10 ng/mL chosen for precision and accuracy?
A measurable slope is observed between 10 and 30 ng/mL concentrations and anything below 10 ng/mL cannot be easily validated.
Tue, Jul 18, 2023