Determination of nitrate and phosphate in seawater at nanomolar concentrations

MD Patey, MJA Rijkenberg, PJ Statham… - TrAC Trends in …, 2008 - Elsevier
Over much of the world's surface oceans, nitrate and phosphate concentrations are below
the limit of detection (LOD) of conventional techniques of analysis. However, these nutrients …

Tandem electrochemical desalination–potentiometric nitrate sensing for seawater analysis

M Cuartero, GA Crespo, E Bakker - Analytical chemistry, 2015 - ACS Publications
We report on a methodology for the direct potentiometric determination of nitrate in seawater
by in-line coupling to an electrochemical desalination module. A microfluidic custom …

Determination of nitrite, nitrate, bromide, and iodide in seawater by ion chromatography with UV detection using dilauryldimethylammonium-coated monolithic ODS …

K Ito, R Nomura, T Fujii, M Tanaka, T Tsumura… - Analytical and …, 2012 - Springer
A method was developed for determination of inorganic anions, including nitrite (NO 2−),
nitrate (NO 3−), bromide (Br−), and iodide (I−), in seawater by ion chromatography (IC). The …

Microbial community stratification controlled by the subseafloor fluid flow and geothermal gradient at the Iheya North hydrothermal field in the Mid-Okinawa Trough …

K Yanagawa, A Breuker, A Schippers… - Applied and …, 2014 - Am Soc Microbiol
The impacts of lithologic structure and geothermal gradient on subseafloor microbial
communities were investigated at a marginal site of the Iheya North hydrothermal field in the …

[PDF][PDF] Physicochemical analysis of the coastal waters of Ondo State, Nigeria

BJ Bamidele, EA Fasakin - International Journal of Research, 2016 - ijraf.org
Analysis of water parameters of the coastal waters of Ondo State, Nigeria was conducted
between June 2011-December, 2012 in Ilaje local government area using Mahin, Ugbo and …

Nitrification-driven forms of nitrogen metabolism in microbial mat communities thriving along an ammonium-enriched subsurface geothermal stream

M Nishizawa, K Koba, A Makabe, N Yoshida… - … et Cosmochimica Acta, 2013 - Elsevier
We report here the concurrence and interaction among forms of nitrogen metabolism in
thermophilic microbial mat communities that developed in an ammonium-abundant …

Determination of inorganic anions in seawater samples by ion chromatography with ultraviolet detection using monolithic octadecylsilyl columns coated with …

Y Horioka, R Kusumoto, K Yamane, R Nomura… - Analytical …, 2016 - jstage.jst.go.jp
A fast and sensitive ion chromatographic method for the simultaneous determinations of six
inorganic anions [iodate (IO3–), bromate (BrO3–), bromide (Br–), nitrite (NO2–), nitrate (NO3 …

Biotic manganese oxidation coupled with methane oxidation using a continuous-flow bioreactor system under marine conditions

S Kato, M Miyazaki, S Kikuchi… - Water Science and …, 2017 - iwaponline.com
Biogenic manganese oxides (BioMnOx) can be applied for the effective removal and
recovery of trace metals from wastewater because of their high adsorption capacity …

Evaluation of nutrient and energy sources of the deepest known serpentinite-hosted ecosystem using stable carbon, nitrogen, and sulfur isotopes

Y Onishi, T Yamanaka, T Okumura, S Kawagucci… - PLoS …, 2018 - journals.plos.org
The Shinkai Seep Field (SSF) in the southern Mariana forearc discovered in 2010 is the
deepest (~ 5,700 m in depth) known serpentinite-hosted ecosystem dominated by a …

The direct electrochemistry and bioelectrocatalysis of nitrate reductase at a gold nanoparticles/aminated graphene sheets modified glassy carbon electrode

K Zhang, H Zhou, P Hu, Q Lu - RSC advances, 2019 - pubs.rsc.org
It is rather difficult to achieve the direct electrochemistry of nitrate reductase (NR) as it is a
complex homodimeric enzyme. However, in this study, the direct electron transfer between …