Sentence examples for check presence from inspiring English sources

To check presence of anthraquinones, 0.5g of the plant extract was boiled with 3mL of 1% HCl and filtered.

The following combinations of the primers were used: to check presence of distal loxP sites LF/LR; to check Cre mediated excision of the locus LF/ER; to check Flp mediated excision of Neomycin cassette EF/ER.

We checked presence of BOP on each tooth while measuring the PPDs.

An aliquot of this suspension was used to check the presence of dead cells with trypan blue staining.

This test allowed to check the presence of underlying layers, their color as well as to study the pigment particles.

Therefore, we asked five independent laboratories worldwide to check the presence of two plasmids in R. felis.

A melting curve was generated to check for presence of nonspecific PCR products.

Disposable wooden spatulas were utilized to check the presence of decay.

The questionnaire was administered aiming to check the presence of respiratory symptoms and related risk factors.

Bile Echlin agar was used to check the presence of fecal Streptococci.

Before fortification, blank samples were analysed in order to check the presence of the analytes.