Sentence examples for are virus from inspiring English sources

If the objects in question are virus particles, an estimate of their number can then be made.The trick is to make the viruses stick to the quartz in the first place.

Both are virus like particles of the human hepatitis B virus surface antigen (HBsAg).

Taken together these experiments strongly suggest that the interaction of BAAV with chitotriose and chito-oligomers are important for BAAV transcytosis and that these interactions are virus specific.

Most (80%) transgenic plants are virus free and symptomless.

Such cattle are virus carriers and characteristically show no specific serological response.

Included are virus isolates that were RT-PCR negative on the original sample.

This is a virus-resistant papaya, and there are also some squashes that are virus-resistant.

And because they are virus-free, they should grow larger and stronger for many years to come.

Now, using fetal liver cells from mice, Harvard researchers have created a line of cells that are virus-free.

These are virus-killing gels and creams that a woman can use without male permission and, indeed, without the man necessarily knowing that they are there.

Some states now require a veterinarian to certify that pigs coming in are virus-free, and China has asked the US Department of Agriculture to similarly vouch for animals shipped overseas.