Results 171 to 180 of about 347,780 (327)

Nitrification-denitrification in WSP: a mechanism for permanent nitrogen removal in maturation ponds [PDF]

open access: yes, 2009
A pilot-scale primary maturation pond was spiked with 15N-labelled ammonia (15NH4Cl) and 15N labelled nitrite (Na15NO2), in order to improve current understanding of the dynamics of inorganic nitrogen transformations and removal in WSP systems.
Camargo Valero, M   +5 more
core  

Nitrite reductase fromAchromobacter fischeri [PDF]

open access: bronze, 1981
J.C. Sadana   +2 more
openalex   +1 more source

How Plants May Maintain Protein Homeostasis Under Rising Atmospheric CO2

open access: yesPlant, Cell &Environment, Volume 49, Issue 5, Page 2654-2672, May 2026.
ABSTRACT Vascular plants may employ several physiological mechanisms to stabilize their protein contents as atmospheric CO2 concentrations change over a day, year, decade, or century. One mechanism is that plants may rely more on soil ammonium as their nitrogen source when CO2 increases.
Arnold J. Bloom   +2 more
wiley   +1 more source

A Reduced F420-Dependent Nitrite Reductase in an Anaerobic Methanotrophic Archaeon. [PDF]

open access: yesJ Bacteriol, 2022
Heryakusuma C   +7 more
europepmc   +1 more source

Endogenous N-nitroso compounds, and their precursors, present in bacon, do not initiate or promote aberrant crypt foci in the colon of rats [PDF]

open access: yes, 2000
Processed meat intake is associated with increased risk of colorectal cancer. This association may be explained by the endogenous formation of N-nitroso compounds (NOC).
Corpet, Denis E.   +4 more
core   +1 more source

Expression of nitrite reductase in Nitrosomonas europaea involves NsrR, a novel nitrite‐sensitive transcription repressor [PDF]

open access: bronze, 2004
Hubertus J. E. Beaumont   +4 more
openalex   +1 more source

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