# Post amplification clean up best practices for Illumina RNA Prep with Enrichment (L) Tagmentation

**Post-amplification clean-up best practices**

* Verify use of correct bead type
* Use [bead handling best practices](https://knowledge.illumina.com/library-preparation/general/library-preparation-general-reference_material-list/000002136)
* Bring beads to room temperature for at least 30 minutes before use
* Fully resuspend beads prior to use
* Prepare fresh 80% ethanol daily
* Do not freeze clean up beads, store at 4°C

\
\
\ <br>

|                                                                                                                                                                                                                                                                                                                                                                              |
| :--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------: |
| *For any feedback or questions regarding this article (Illumina Knowledge Article #3312), contact Illumina Technical Support* [*techsupport@illumina.com*](mailto:techsupport@illumina.com?subject=Question%2FFeedback%20Regarding%20Illumina%20Knowledge%20Article%20#000003312%20-%20Library%20Preparation%20\&body=Dear%20Illumina%20Technical%20Support,%0D%0A%0D%0A)*.* |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://knowledge.illumina.com/library-preparation/rna-library-prep/library-preparation-rna-library-prep-reference_material-list/000003312.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.