QUANTIFOIL® R 3.5 Holey Carbon Films on Grids

Supplier: Electron Microscopy Sciences
Q425AR-35 Q210AR-35 Q210CR-35 Q210NR-35 Q220AR-35 Q220CR-35 Q220NR-35 Q310AR-35 Q310CR-35 Q310NR-35 Q320AR-35 Q320CR-35 Q320NR-35 Q410AR-35 Q410CR-35 Q410NR-35 Q420AR-35 Q420CR-35 Q420NR-35
102773-306PK 957.62 USD
102773-306 76440-170 76440-224 76440-272 76440-296 76440-304 76440-312 76440-586 76440-640 76440-688 76440-712 76440-720 76440-728 76440-992 76441-046 76441-094 76441-118 76441-126 76441-134
QUANTIFOIL® R 3.5 Holey Carbon Films on Grids
Graticules, Reticles and Grids
QUANTIFOIL® is a carbon film for electron microscopy or low-energy electron point source microscopy.

  • Preferred over foils with smaller holes if the carbon film should be outside the frame of the image
  • Mounted on copper, nickel or gold grids
  • Foil is 12 nm thick
  • Thicknesses between 10 and 25 nm upon

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 3.5/1 has a hole size of 3.5 µm. Space between holes is 1 µm. Center to center is 4.5 µm. This type may be preferred over foils with smaller holes if the carbon film should be outside the frame of the image. This option can be desirable in the case of extended objects, such as filamentous objects, for example.

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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