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Transformasyon Verimliliği Hesaplayıcı

Koloniler, DNA kütlesi ve ekilen fraksiyondan TE (cfu/ug).

Giriş

Transformation Efficiency Calculator — TE (cfu/ug) from colonies, DNA mass, and fraction plated. Enter Colonies counted, DNA mass plated (ng), Fraction of transformation plated to get an instant, accurate result.

Formül

Transformation efficiency (cfu/µg) = colonies counted / (DNA mass in µg × fraction of the transformation actually plated) — converts a colony count on one plate into a standardized efficiency per microgram of DNA transformed.

Adım adım

  1. Enter the Colonies counted.
  2. Enter the DNA mass plated (ng).
  3. Enter the Fraction of transformation plated.
  4. Click Calculate to see your result instantly.

Gerçek dünya örneği

Example: With Colonies counted = 200, DNA mass plated (ng) = 10, Fraction of transformation plated = 1, the Transformation Efficiency Calculator gives Efficiency Cfu Per Ug: 20000.

Sıkça Sorulan Sorular

What does "fraction plated" mean?
If you only spread part of your transformation mix onto the plate (e.g. 100 µL out of a 1 mL recovery volume, so 0.1), that fraction is used to scale the colony count back up to represent the full DNA amount transformed.
What is considered a good transformation efficiency?
It varies widely by method and competent cell type — chemically competent cells typically yield around 10⁶–10⁸ cfu/µg, while high-efficiency electrocompetent cells can reach 10⁹–10¹⁰ cfu/µg.
What inputs does the Transformation Efficiency Calculator need?
You'll need to provide: Colonies counted, DNA mass plated (ng), Fraction of transformation plated. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Transformation Efficiency Calculator?
The Transformation Efficiency Calculator applies the formula exactly as calculated — Transformation efficiency (cfu/µg) = colonies counted / (DNA mass in µg × fraction of the transformation actually plated) — converts a colony count on one plate into a standardized efficiency per microgram of DNA transformed. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Transformation Efficiency Calculator free to use?
Yes, the Transformation Efficiency Calculator is completely free, requires no signup, and runs instantly in your browser.

Transformasyon Verimliliği Hesaplayıcı Hakkında

The Transformation Efficiency Calculator uses a real, verifiable formula — Transformation efficiency (cfu/µg) = colonies counted / (DNA mass in µg × fraction of the transformation actually plated) — converts a colony count on one plate into a standardized efficiency per microgram of DNA transformed. — so results are accurate every time, not an approximation.