Catalase uses the H2O2 to oxidize a variety of other substrates (formic acid, formaldehyde, and alcohol) by the “peroxidation” reaction.

TLS Online TPP Program

#Id: 4459

#Unit 13. Methods in Biology

Immunoelectron microscopy is used for localizing proteins in thin sections at the electron microscope level.

TLS Online TPP Program

#Id: 4460

#Unit 13. Methods in Biology

To make the antibody visible in the electron microscope, it must be attached to an electron-dense marker.

TLS Online TPP Program

#Id: 4461

#Unit 13. Methods in Biology

Scanned-probe microscope scans the specimen without modifying it or exposing it to damaging high -energy radiation. 

TLS Online TPP Program

#Id: 4462

#Unit 13. Methods in Biology

Scanned-probe microscopy is of two types:

Scanning tunneling microscopy

Atomic force microscopy

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#Id: 4463

#Unit 13. Methods in Biology

Scanning tunneling microscopy- uses thin metal (tungsten) probe that scans specimen revealing the bumps and depressions of the atoms on the surface of the specimen

TLS Online TPP Program

#Id: 4464

#Unit 13. Methods in Biology

In an atomic force microscope imaging of the surface is done based on modulation of interaction forces between two atoms.