Irina Oshchepkova
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Articles
Recent activity by Irina Oshchepkova-
Katalyst: Plate visualization slow or unresponsive for very large plates
DescriptionWhen opening very large plates (e.g., 1536‑well or multiple stacked plates) in Katalyst, users experience:Slow loading or lag when zooming/panning.Browser unresponsiveness, especially on...
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Katalyst: Data processing failed and files moved to the failed folder
DescriptionRaw data intended for processing is moved into the Failed Files Location (Instrument Parameters → Failed Files Location). To diagnose the issue, users must review both Automation Server ...
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Katalyst: Analytical runs missing for some wells after data sweep
DescriptionAfter uploading analytical data and running a sweep, most wells show attached data in the Analysis Workspace.Some well missing data, remain empty or show no chromatograms/spectra.The raw...
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Katalyst: Raw data files are not relocated from the scan path
DescriptionRaw data files remain in the raw data folder (Instrument Parameters → Scan Path) and are not moved for processing. This typically indicates that either the Automation Server or the Activ...
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Katalyst: Handling very large analytical datasets in a single experiment
DescriptionSome experiments aggregate extremely large numbers of analytical runs (e.g., many plates or time points).Symptoms:Slow loading of experiments.Timeouts or errors in the Analysis Workspace...
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Katalyst: Multiple users cannot log in
DescriptionMultiple users are unable to log in to Katalyst. This typically indicates issues with the Spectrus DB administrator account (expired password or lockout), an expired CHEMBOOK password, M...
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Katalyst: Specific user cannot log in
DescriptionA single user is unable to log into Katalyst. Common causes include an incorrect or expired password, especially when the Katalyst password is the same as the user’s PC password, or miss...
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Percepta: Drawing R‑group Structures in Percepta vs. ChemSketch
DescriptionIn Percepta, R‑groups are represented directly using the R1 label (for example, c1ccccc1[R1]).In ChemSketch, R1 is not recognized as a generic R‑group in SMILES. Instead, use an asterisk...
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Katalyst: How experiment backups work
DescriptionThis article explains how to backup your experiment. SolutionWhat backups contain:A snapshot of the experiment’s configuration and associated data at the time the backup was created (sub...
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Katalyst: Starting page is not displayed
DescriptionWhen users attempt to open the Katalyst page, the starting page does not load. This issue typically occurs when the Apache Tomcat service on the Katalyst Web Server is not running or the...