QUANTIFOIL® R 5 Holey Carbon Films on Grids

Supplier: Electron Microscopy Sciences
Q220CR-520 Q310CR510 Q410NR-520 Q220AR-520 Q450NR510 Q210CR-520 Q310NR-520 Q4100AR510 Q410AR510 Q410NR510 Q210NR-520 Q450AR510 Q350CR510 Q325CR510 Q425NR510 Q410AR-520 Q425CR-520 Q310CR-520 Q250NR510 Q350AR510 Q320CR-520 Q325AR510 Q250AR510 Q425CR510 Q225CR510 Q325NR510 Q225NR510 Q210AR510 Q410CR510 Q450CR510 Q310NR510 Q425AR510 Q210AR-520 Q320NR-520 Q250CR510 Q350NR510 Q210CR510 Q310AR510 Q410CR-520 Q420CR-520 Q420NR-520 Q420AR-520 Q310AR-520 Q225AR510 Q210NR510 Q320AR-520 Q220NR-520
103306-914PK 1989.56 USD
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QUANTIFOIL® R 5 Holey Carbon Films on Grids
Graticules, Reticles and Grids
QUANTIFOIL® is a carbon film for electron microscopy or low-energy electron point source microscopy.

  • Mounted on copper, nickel or gold grids
  • Foil is 12 nm thick
  • Thicknesses between 10 and 25 nm upon request

QUANTIFOIL® is a perforated support foil with pre-defined hole size, shape and arrangement that has advantages in electron microscopy (EM) or low-energy electron point source (LEEPS) when compared with conventional holey film. QUANTIFOIL® with circular holes is used in cryo-electron tomographic reconstruction. The roundness of the holes is advantageous with respect to the formation of an ice layer of constant thickness.

The hole size chosen depends on the magnification used, and on whether or not one wishes to include support film in the image. Assessment of the image quality is easier when foil is included in the picture, because the power spectrum of a foil is stronger than that of unsupported ice.

QUANTIFOIL® R 5/10 has a hole size of 5 µm. Space between holes is 10 µm. Center to center is 15 µm.

QUANTIFOIL® R 5/20 has a hole size of 5 µm. Space between holes is 20 µm. Center to center is 25 µm.

The larger holes (3.5, 5 µm) are suitable at magnification around 20000×.

Ordering information: QUANTIFOIL® is delivered as a carbon foil; it can be reinforced with plastic film. The grids are packed with their coated side toward the center of the grid box.
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