Sentences with phrase «microbial sources»

By detecting the molecular machinery used by the plankton to create one of the enzymes needed to split nitrogen molecules apart, scientists appear to have discovered a new microbial source of the ocean's nitrogen - bearing nutrients.

They validated their method by comparing it to about 40 other methods of microbial source tracking in a California study.

Recently emitted bioaerosols potentially represent a distinct microbial source pool if they contain bacterial taxa that are unable to persist in desiccated dust or on surfaces, and therefore might not be otherwise detected.

Microbial sources refer to microorganisms that typically live in wetlands or the guts of animals, like cows, which produce methane as a metabolic byproduct.

The research was led by Eric Dubinsky and Gary Andersen, microbial ecologists at Berkeley Lab, and was published recently in the journal Water Research in an article titled, «Microbial source tracking in impaired watersheds using PhyloChip and machine - learning classification.»

Materials derived primarily from renewable sources such as replenishable agricultural feed stocks, animal sources, marine food processing industry wastes, or microbial sources, and can break down to produce environmentally friendly products such as carbon dioxide, water, and quality compost.

Toxins are poisons produced from animal, plant, or microbial sources.

In recent years, dental calculus has emerged as an unexpected, but valuable, long - term reservoir of ancient DNA from dietary and microbial sources.

Sucrase derived from plant or microbial sources, often used to treat congenital sucrase - isomaltase deficiency, has no isomaltase activity.