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Quantifoil R2/2 Holey Carbon Films - Circular

Quantifoil R2/2 Holey Carbon Films - Circular

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Product Details:

  • Form Thin film supported on grid
  • Boiling point Not applicable for solid carbon
  • Density 1.8 Gram per cubic centimeter(g/cm3)
  • Solubility Insoluble in water
  • Other Names Quantifoil R2/2 grid
  • Structural Formula Amorphous structure, not applicable
  • Ph Level Neutral (pH not applicable to solids)
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Quantifoil R2/2 Holey Carbon Films - Circular Product Specifications

  • Support film for transmission electron microscopy
  • Electron microscopy (TEM, Cryo-EM), structural biology, material science
  • Not applicable / Amorphous solid
  • Carbon film on copper or other metal grids
  • Circular
  • Research grade
  • 70179090
  • Holey carbon film, R2/2 pattern, circular
  • Not determined / not applicable
  • Odorless
  • Store in clean, dry environment; avoid contamination
  • C
  • Thin film supported on grid
  • 1.8 Gram per cubic centimeter(g/cm3)
  • Yes
  • Not applicable for solid carbon
  • Quantifoil R2/2 pattern specification
  • Thin film support for microscopy
  • Amorphous carbon
  • Quantifoil R2/2 grid
  • Insoluble in water
  • 7440-44-0 (Carbon)
  • 12.01 g/mol
  • >99.99% (carbon purity)
  • Neutral (pH not applicable to solids)
  • Amorphous structure, not applicable

Quantifoil R2/2 Holey Carbon Films - Circular Trade Information

  • South America, Eastern Europe, Western Europe, Middle East, Asia, Central America, North America, Australia, Africa
  • All India

Product Description

Quantifoil R2/2 Holey Carbon Films - Circular

Quantifoils®, produced by semiconductor lithographic techniques, are 15 - 20nm thick perforated carbon films with precise, well defined holesizes, shapes and arrays. Quantifoil support films provide a high percentage of open area in addition to minimising total specimen thickness. Object distortions arising from interactions with the support film are also reduced. They are particularly suited for cryo applications, tomography and low dose microscopy (LEEP). Circular, hole size 2µm dia, separation 2µm
Quantifoils are supplied as 10 grids or 100 grids in a grid box.



Engineered for Precision and Reliability

Quantifoil R2/2 Holey Carbon Films are meticulously fabricated to ensure uniform distribution and precise sizing of holes, maximizing sample visibility and reducing background noise in electron microscopy. They enhance the quality of imaging for demanding analyses by providing consistent support across the entire grid, contributing to reproducible research outcomes.


User-Friendly and Versatile Application

Designed for compatibility with both standard TEM and Cryo-TEM holders, these grids are suitable for a range of applications in structural biology, material science, and nanotechnology. Their inert nature, indefinite shelf life, and contamination-free packaging make them exceptionally practical for routine and advanced microscopy work.

FAQs of Quantifoil R2/2 Holey Carbon Films - Circular:


Q: How should Quantifoil R2/2 Holey Carbon Films be stored to maintain their quality?

A: These grids should be stored in a clean, dry environment and kept in their grid boxes to prevent contamination. Proper storage ensures their properties remain stable indefinitely.

Q: What is the primary benefit of using the R2/2 pattern in TEM or Cryo-EM?

A: The R2/2 pattern features regularly arranged, 2 m diameter holes with 2 m spacing, providing a uniform and supportive environment for specimens. This design enhances imaging by minimizing background interference while maximizing sample area for electron transparency.

Q: When is plasma cleaning recommended before use, and what does it achieve?

A: Plasma cleaning is advised immediately before specimen loading if hydrophilic surfaces are needed. This process removes surface contaminants and increases the films wettability, improving specimen adhesion and dispersion.

Q: Where are these holey carbon grids typically used in scientific research?

A: These grids are widely used in transmission electron microscopy and cryo-electron microscopy across fields such as structural biology, material science, and nanotechnology, wherever high-resolution imaging of fine structures is required.

Q: How are the Quantifoil R2/2 films prepared for microscopy applications?

A: Quantifoil R2/2 films are fabricated using high-purity carbon, carefully stretched over metal grids, and patterned with laser drilling to ensure consistent hole size and spacing. They are supplied ready to use, though plasma cleaning may be performed for specific sample types.

Q: What is the main advantage of the copper grid material, and are other options available?

A: Copper grids provide excellent conductivity and are the standard for most applications. However, other materials can be supplied on request to accommodate specialized scientific needs, such as reduced background scattering or enhanced chemical compatibility.

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