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Investigation of an Iron-Oxidizing Microbial Mat Community Located near Aarhus, Denmark: Field Studies.
We investigated the microbial community that developed at an iron seep where anoxic groundwater containing up to 250 muM Fe flowed out of a rock wall and dense, mat-like aggregations of ferric… Expand
THE 2014 ALMA LONG BASELINE CAMPAIGN: AN OVERVIEW*
A major goal of the Atacama Large Millimeter/submillimeter Array (ALMA) is to make accurate images with resolutions of tens of milliarcseconds, which at submillimeter (submm) wavelengths requires… Expand
Investigation of an Iron-Oxidizing Microbial Mat Community Located near Aarhus, Denmark: Laboratory Studies.
We constructed a small flow chamber in which suboxic medium containing 60 to 120 muM FeCl(2) flowed up through a sample well into an aerated reservoir, thereby creating an suboxic-oxic interface… Expand
The work of Jagadis Chandra Bose: 100 years of millimeter-wave research
- D. Emerson
- 1 December 1997
Just 100 years ago, J.C. Bose described to the Royal Institution, London, U.K., his research carried out in Calcutta, India, of millimeter wavelengths. He used waveguides, horn antennas, dielectric… Expand
Convenient formulas for quantization efficiency
 Digital quantization of signals prior to processing results in the insertion of a component of noise resulting from the finite number of quantization levels. In radio astronomy, for example, this… Expand
Magnetic field dependence of 1/T1 of protons in tissue.
- S. Koenig, R. D. Brown, D. Adams, D. Emerson, C. G. Harrison
- Chemistry, Medicine
- Investigative radiology
- 1 March 1984
It is well established that the spin-lattice magnetic relaxation rate 1/T1 of solvent protons in homogeneous protein solutions increases dramatically as the magnetic field is reduced well below the… Expand
Modeling microbial chemotaxis in a diffusion gradient chamber.
- M. Widman, D. Emerson, C. C. Chiu, R. M. Worden
- Biology, Medicine
- Biotechnology and bioengineering
- 5 July 1997
The diffusion gradient chamber (DGC) has proven to be a useful experimental tool for studying population-level microbial growth and chemotaxis. A mathematical model capable of reproducing the… Expand
A diffusion gradient chamber for studying microbial behavior and separating microorganisms.
- D. Emerson, R. M. Worden, J. Breznak
- Chemistry, Medicine
- Applied and environmental microbiology
- 1 April 1994
The natural habitats of most microbes are dynamic and include spatial gradients of growth substrates, electron acceptors, pH, salts, and inhibitory compounds. To mimic this diffusive aspect of… Expand