https://www.selleckchem.com/pr....oducts/gkt137831.htm
Herein, a novel sandwich-type electrochemical immunosensor was fabricated based on Fe3O4 nanoflowers (Fe3O4 NFs) and heterogeneous chain reaction (HCR) signal amplification strategy for the sensitive detection of hepatitis B surface antigen (HBsAg). The aldehyde-functionalized Fe3O4 NFs are used as a supporting matrix to immobilize the hepatitis B surface antibody 1 (HBsAb1). The biotin-modified single-strand DNA (biotin-S was connected onto the biotin-HBsAb2 via linkage of streptavidin (SA), followed by addition of methylene blue (

https://poole-dyhr.thoughtlane....s.net/10-things-we-h
https://zenwriting.net/lionstr....eet7/why-you-should-
Add a Freestanding Electric Fireplace Suite to Your Home Create a stunning focal point to your living space with one of our freestanding electric fireplace suites. These electric fireplaces feature beautiful surrounds in traditional and contemporary styles that perfectly frame the fire. Some include log storage and display areas to create a stunning look. Unlike gas and wood stoves, electric fireplac