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Fluorescein diacetate hydrolysis as an estimator of microbial biomass on coniferous needle surfaces
TLDR
A simple spectrophotometric assay based on the hydrolysis of fluorescein diacetate is described which estimates well the standing crops of microbial cells on coniferous needles and twigs and shows promise of broad applicability to other microbial habitats.
CONTINUING ADVANCES IN PEX DOWNHOLE EXCHANGERS FOR DIRECT-USE HEATING APPLICATIONS
PEX is a material known for its relatively high temperature and pressure rating, durability, and chemical resistance. The PEX DHE described in this article was designed and installed as a retrofit in
An organic chemistry course for biology and environmental science majors
  • Ron Swisher
  • Biology, Environmental Science
  • 7 August 2013
Porous Silicon and the Search for a Silicon-Based LED
Silicon has not been used in LED fabrication because of its very low luminescence efficiency. There has been a great deal of interest in porous silicon, a form of silicon which luminesces at about