The researchers are co-purifying the samples to remove impurities.

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They co-published a book together.

We can co-create a better future together.

The movie was co-produced by two production companies.

The protein was co-purified with other cellular components.

They decided to co-produce the film together.

They are co-producing a new film together.

Scientists often co-purify different proteins to study their interactions.

They decided to co-publish the book with another publishing company.