# Reference Material

Library Preparation > DNA Library Prep > Reference Material

* [Best practices for storage of bead normalized Nextera XT libraries](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000001146)
* [Considerations before starting the Illumina DNA PCR Free library preparation](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000003430)
* [Considerations for choosing an Illumina DNA PCR Free library preparation workflow](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000005264)
* [Converting ng/µl to nM when calculating dsDNA library concentration](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000001240)
* [Custom primer requirements for the Illumina DNA PCR Free Prep, Tagmentation kit](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000003343)
* [Double sided size selection and bead clean up](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000006157)
* [Illumina DNA PCR Free Tagmentation Introduction Support Webinar Video](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000008037)
* [Illumina DNA Prep Tagmentation Introduction Support Webinar Video](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000008038)
* [Illumina DNA Prep library preparation for the MiSeq i100 Series 25M Reagent Kit (1000 cycles)](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000010102)
* [Information on the Illumina Tagment DNA TDE1 Enzyme and Buffer Kits](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000002753)
* [Library quantification and manual normalization of Nextera XT libraries](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000001145)
* [Nextera XT Library Preparation tips and troubleshooting technical support note](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000006093)
* [Nextera XT Sample Preparation and Usage Support Webinar Video](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000008054)
* [Nextera XT input considerations](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000001023)
* [Plate layout for Nextera DNA Combinatorial Dual (CD) indexes](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000002339)
* [Product page and support page for TruSeq DNA Nano](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000005222)
* [Product page and support page for TruSeq DNA PCR Free](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000005223)
* [Product page and support page links for Illumina Complete Long Read Prep (ICLR), Human](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000009068)
* [Sequencing information for Illumina DNA Prep (M) Tagmentation libraries](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000001263)
* [What reagents are available for ATAC Seq library preparation?](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000001817)
* [i7 and i5 indexes in each Nextera XT index kit](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000002230)
* [双链DNA文库浓度的计算：从质量浓度(ng/µl)转化为摩尔浓度(nM)的换算公式](https://knowledge.illumina.com/library-preparation/dna-library-prep/library-preparation-dna-library-prep-reference_material-list/000007413)