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It is highly conductive, non-oxidizing, radiation resistant, has an inert surface and is biocompatible. The film thickness is 400-500 Å. This film thickness becomes the optimum thickness, and when it is less than 400 Å, the performance of the gold support film begins to deteriorate. The material of the TEM grid is also gold. By using the same substance, the difference in heat shrinkage during sample cooling is eliminated, and changes in the shape and tension of the support film surface are prevented. It can be used as it is after delivery. It is also possible to increase hydrophilicity by glow discharge. The strength of the gold support film is equal to or higher than that of the conventional carbon film. However, if it is damaged during tweezers handling or quick freezing, stability may be significantly impaired. Collect data only from areas that are uniform and undamaged.
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QUANTIFOIL Holey Carbon support film Grids
Holey carbon support membrane for TEM
The carbon film thickness is 10-25 nm, and the film pores are regularly opened all over by semiconductor manufacturing technology. There are various sizes such as φ2um circular holes (R2/1) every 1um and φ1.2um circular holes (R1.2/1.3) every 1.3um. In the square type, a 7 x 7 μm square is separated by a 2 μm wide crosspiece (S7/2), both of which are affixed to the TEM grid.
* Since the hole diameter (or spacing) size is a nominal value, an error may occur.
* Although there are some defects in the carbon film, the usable area is 75% or more.
Product image (from top left)
・ Square Type
・ R2/1 type
・ R2/2 type
・ R3.5/1 type
・ R1.2/1.3 type
・ Multi type
type
R0.6/1, R1/1, R1/4, R1.2/1.3, R2/1, R2/2, R2/4, R3.5/1, Square7/2, Multi
grid
Material Cu, Au, Ni, Cu/Rh, Mo
Mesh 200mesh, 300mesh, 400mesh
(Mo is 200 mesh only)
Quantity 100 pieces each
UltrAuFoil Holey Gold Support Membrane
Newly developed for cryo-electron microscopy, these ultra-stable gold support membranes reduce the drift of frozen samples during imaging. You can improve image contrast and quality and get better 3D reconstructed images with less data. When imaging with a cryo-electron microscope, the conventional carbon support film drifts, especially at the start of irradiation, which blurs the image and makes it difficult to identify the structure of minute, difficult-to-handle molecules. UltrAuFoil, designed by MRC's Dr. Christopher J Russo and Dr. Lori A Passmore's Molecular Biology Lab, can significantly reduce sample drift.
[ Characteristic ]
type
R0.6/1 Au 300mesh
R2/2 Au 200mesh
R1.21.3 Au 300mesh
Quantity 50 pieces each
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