Agarose gel electrophoresis

https://www.researchgate.net/publication/224829869_Principles_of_Nucleic_Acid_Separation_by_Agarose_Gel_Electrophoresis

SDS PAGE

https://ruo.mbl.co.jp/bio/e/support/method/sds-page.html

http://howbiotech.com/the-principle-and-procedure-of-polyacrylamide-gel-electrophoresis-sds-page/

https://www.creativebiomart.net/blog/principle-and-protocol-of-sodium-dodecyl-sulphate-polyacrylamide-gel-electrophoresis-sds-page/

https://vlab.amrita.edu/?sub=3&brch=186&sim=319&cnt=1

https://capricorn.bc.edu/bi204/wp-content/uploads/2015/08/Chapter-14-2015.pdf