A drop of blue liquid falls into a transparent vessel from a glass tube of a heat-resistant water-measuring water-indicating device. Young woman in protective clothing. On the face of a protective medical mask. Hands are dressed in blue latex gloves. - Stock Footage & Video

A drop of blue liquid falls into a transparent vessel from a glass tube of a heat-resistant water-measuring water-indicating device. Sparks fly around the person. Young woman in protective clothing

Chemist in white uniform demonstrating dangerous liquid in test-tube, viruses

A drop of liquid falls from the tube of a glass heat-resistant water-measuring water-proof tube into a transparent vessel. Girl examines a test tube with biomaterial. Young woman in protective

In a laboratory, a scientist with a pipette analyzes a colored liquid to extract the DNA and molecules in the test tubes. Concept: research, biochemistry, nature, pharmaceutical medicine

Scientist in protective suit looks at a test tube with a transparent drug.

A drop of blue liquid falls into a transparent vessel from a glass tube of a heat-resistant water-measuring water-indicating device. Sparks fly around the person. Young woman in protective clothing

A drop of liquid falls from the tube of a glass heat-resistant water-measuring water-proof tube into a transparent vessel. Girl examines a test tube with biomaterial. Young woman in protective

Girl examines a test tube with biomaterial. A young woman in protective clothing. On the face of a protective medical mask. The hands are dressed in blue latex gloves. On the white mask-black

A drop of blue liquid falls into a transparent vessel from a glass tube of a heat-resistant water-measuring water-indicating device. Young woman in protective clothing. On the face of a protective

Drop of blue liquid falls into a transparent vessel from a glass tube of a heat-resistant water-measuring water-indicating device. Young woman in protective clothing. On the face of a protective medical mask. hands are dressed in blue latex gloves.

Girl examines a test tube with biomaterial. A young woman in protective clothing. On the face of a protective medical mask. The hands are dressed in blue latex gloves. On the white mask-black