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Sunlight is a powerful force. The sun emits radiation across most of the electromagnetic spectrum, including significant amounts of UV radiation. Although some of the sun’s radiation is absorbed by the Earth’s atmosphere, quite a bit of it reaches the earth’s...

Protein crystallography is a technique that uses x-ray beams to visualize the structures of proteins at the atomic level. A crystal of the protein to be studied is blasted with x-rays, and the crystal structure scatters the rays into a diffraction pattern recorded on...

For several centuries, dating back to about 1750 B.C., fingerprints have been recognized as a method of identifying people. It was originally used primarily to establish ownership or identity, since a fingerprint is effectively a forge-proof signature. However, since...

At Powers Scientific, we offer several different types of temperature controlled chambers with additive humidity, such as humidified incubators for ninhydrin testing and shelf life testing, plant tissue culture chambers, drosophila/mosquito and small insect chambers,...

Plant tissue culture is a process where plant cells, tissues, or organs are grown under controlled conditions into mature plants. This process takes advantage of totipotency, which means that a whole, genetically identical, plant can be regenerated from a culture of...

Zebrafish (Danio rerio) are small freshwater fish that are commonly used in scientific research. They are considered to be a vertebrate “model organism,” with several characteristics that are desirable in a research environment. First, the eggs and embryos are clear...