GB/T 28872-2012Testing method of magnetic lightly-striking mode atomic force microscope for nanotopography of living cells (English PDF)

1 Scope

This standard specifies the technical specifications and magnetic drive tapping mode atomic force microscopy live cell samples.

This standard applies to the use of magnetically driven tapping mode atomic force microscopy morphology and physical properties of the detection of living cells.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 21636-2008 micro beam analysis electron probe microanalysis (EPMA) term

3 Terms and Definitions

GB/T 21636-2008 define the following terms and definitions apply to this document.

4 Fundamentals

Atomic force microscopy (atomicforcemicroscope, AFM) using extremely sensitive to the weak force with the cantilever tip in the sample

Scan the surface to obtain a product image. During scanning, the interaction force at the top of the tip and the sample surface of the outermost layer of atoms between the atoms

Of the micro cantilever is deformed or changed constantly in motion, so the laser beam reflected by the smooth back of the cantilever onto a photodetector

Position is constantly changing. AFM cantilever is detected by a photodetector state to obtain a sample morphology and forces, etc.

information.

AFM tapping mode magnetic drive is suitable for soft surface, biological samples and other non-destructive imaging, which uses a cross

Varying magnetic field driving the back of the film is coated with a magnetic cantilever probes to a specific amplitude-frequency vibration, while the PZT scanner […]