Dear Abul Kalam

Pls. find the attached files

https://www.bosterbio.com/protocol-and-troubleshooting/elisa-sample-preparation-guide

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4710716/

http://www.bloodjournal.org/content/45/5/671.short?sso-checked=true

http://link.springer.com/article/10.1007/s00466-008-0283-1

http://www.antibodies-online.com/kit/989507/Bone+Morphongenetic+Proteins+ELISA+Kit/

https://www.bosterbio.com/protocol-and-troubleshooting/elisa-sample-preparation-guide

http://www.antikoerper-online.de/kit/989473/Alkaline+Phosphatase,+Bone+ELISA+Kit/

Hoping this will be helpful

Regards

Prof. Houda Kawas