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. 2022 Apr 8;14:71–83. doi: 10.2147/BCTT.S350403

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© 2022 Fahira et al.

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Structure of linear PEI (A) and branched PEI (B).

Note: Reproduced from: Polymerdatabase. Available from: https://polymerdatabase.com/PolymerBrands/Polyethyleneimine.html. Accessed March 23, 2022.²¹ © 2015–2022 polymerdatabase.com.

Abbreviation: PEI, polyethyleneimine.