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Quantifoil R2/2 Holey Carbon Films - Circular

Quantifoil R2/2 Holey Carbon Films - Circular

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Product Details:

  • HS Code 9027.90.00
  • Molecular Formula C
  • Structural Formula Amorphous carbon (no fixed structure)
  • Ph Level Neutral (pH not applicable for solid)
  • Density 2.0 Gram per cubic centimeter(g/cm3)
  • Melting Point N/A (carbon film thermally stable up to ~400C in vacuum)
  • Other Names Quantifoil holey carbon grid
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Quantifoil R2/2 Holey Carbon Films - Circular Product Specifications

  • >99.99% (carbon layer)
  • Ultra-thin film on metal grid
  • Ultra-thin amorphous carbon film on copper, gold, or nickel grids
  • Circular film
  • Microscopy accessory
  • Room temperature, dry conditions, avoid contamination
  • 7440-44-0 (Carbon)
  • Holey Carbon Support Film (Quantifoil R2/2)
  • Conforms to scientific microscopy standards
  • Cryo-EM, TEM, and high-resolution imaging
  • Odorless
  • Insoluble in water
  • Amorphous Carbon
  • Yes
  • Electron microscopy sample support grids
  • Analytical grade for scientific research
  • N/A (carbon film thermally stable up to ~400C in vacuum)
  • Quantifoil holey carbon grid
  • Not applicable (sublimes at high temperatures)
  • 12.01 g/mol
  • 9027.90.00
  • Amorphous carbon (no fixed structure)
  • C
  • Neutral (pH not applicable for solid)
  • 2.0 Gram per cubic centimeter(g/cm3)

Quantifoil R2/2 Holey Carbon Films - Circular Trade Information

  • Australia, South America, Eastern Europe, Western Europe, Middle East, Central America, Asia, North America, 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.



High-Performance Support for Electron Microscopy

Quantifoil R2/2 Holey Carbon Films deliver superior specimen support for various electron microscopy applications, including cryo-EM, TEM, and SEM. The even distribution of 2 m holes ensures minimal background and optimal imaging conditions, while the ultra-thin carbon layer offers high transparency and stability during imaging and sample preparation.


Reliable Construction with Consistent Quality

Manufactured with analytical-grade amorphous carbon (>99.99% purity) on durable metal grids (copper, gold, or nickel), these films demonstrate exceptional reliability. The precise hole pattern and stable film thickness (1220 nm) provide smooth, uniform surfaces, meeting or exceeding modern scientific microscopy standards and ensuring reproducible results for research and analysis.

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


Q: How should I handle and store Quantifoil R2/2 Holey Carbon Films to avoid damage or contamination?

A: Handle the grids using anti-static, clean tweezers or gloves to prevent film damage and contamination. Store them in grid boxes or cassettes in a dry environment at room temperature, away from dust and chemicals, to maintain surface quality.

Q: What applications are Quantifoil R2/2 Holey Carbon Films suitable for in electron microscopy?

A: These films are designed for use as sample supports in cryo-electron microscopy (cryo-EM), transmission electron microscopy (TEM), and scanning electron microscopy (SEM), particularly for high-resolution imaging and research involving biological or material science specimens.

Q: When should I choose a 200 or 300 mesh size for these grids?

A: Select the mesh size based on sample requirements and instrument compatibility. A 200 mesh provides larger open areas for larger specimens, while 300 mesh offers greater grid stability and is suitable for smaller samples or higher magnification work.

Q: Where can I order Quantifoil R2/2 Holey Carbon Films, and are they available for international supply?

A: These films are widely available through dealers, exporters, importers, manufacturers, suppliers, and retailers in the United Kingdom and can be sourced internationally via scientific product distributors.

Q: What are the benefits of using Quantifoil R2/2 Holey Carbon Films over other sample supports?

A: The films offer exceptional mechanical stability, high transparency, and a highly consistent hole pattern, reducing background interference in imaging, enabling accurate, reproducible results, and supporting advanced techniques like cryo-EM at the nanoscale.

Q: How are Quantifoil R2/2 Holey Carbon Films prepared and packaged for shipping?

A: Each grid is individually stored in protective grid boxes or cassettes to prevent mechanical and environmental damage during transit, ensuring they arrive ready for immediate use without risk of contamination.

Q: What is the process for loading specimens onto Quantifoil R2/2 grids for cryo-EM preparation?

A: Specimens are typically applied to the carbon film, blotted to remove excess liquid, and rapidly vitrified by plunging into cryogenic liquid. The uniform hole pattern facilitates even specimen distribution and optimal imaging during data collection.

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