# \#question

**URL:** https://forum.nucleus.engineering/tag/question/8.md

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## [Welcome to Nucleus - Start Here! 👋](https://forum.nucleus.engineering/t/welcome-to-nucleus-start-here/5)

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**Author:** [@system](https://forum.nucleus.engineering/u/system)\
**Replies:** 1\
**Last updated:** [October 20, 2025, 10:25pm UTC](https://forum.nucleus.engineering/t/welcome-to-nucleus-start-here/5 "2025-10-20T22:25:38Z")

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Welcome to the Nucleus Community Forum - Start Here! We’re excited to have you join the Nucleus community. This guide will help you get oriented and start participating. How to use this forum: :waving\_hand: Introduce …

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## [Saving the 'summary plot' in CDK returns an error with an empty plot](https://forum.nucleus.engineering/t/saving-the-summary-plot-in-cdk-returns-an-error-with-an-empty-plot/45)

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**Author:** [@surendra](https://forum.nucleus.engineering/u/surendra)\
**Replies:** 3\
**Last updated:** [March 31, 2026, 10:47pm UTC](https://forum.nucleus.engineering/t/saving-the-summary-plot-in-cdk-returns-an-error-with-an-empty-plot/45 "2026-03-31T22:47:20Z")

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I’m trying to save the summary plot in CDK and it returns this error with an empty plot saved in the folder: ”\<Figure size 640x480 with 0 Axes\>” I’m using the following code to save the plot: pr.plot\_summary(data) pl…

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## [How does the output signal change when the Cytosol reaction volume is increased by 1–2 µL?](https://forum.nucleus.engineering/t/how-does-the-output-signal-change-when-the-cytosol-reaction-volume-is-increased-by-1-2-l/44)

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**Author:** [@surendra](https://forum.nucleus.engineering/u/surendra)\
**Replies:** 1\
**Last updated:** [March 30, 2026, 5:45pm UTC](https://forum.nucleus.engineering/t/how-does-the-output-signal-change-when-the-cytosol-reaction-volume-is-increased-by-1-2-l/44 "2026-03-30T17:45:52Z")

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We’ve been asked the following question and suspect it will be of interest to others: ”I know a couple other people are struggling with there being too little room for water/additives in the current cytosol reactions, e…