User profiles for H. URAKAWA

Hidetoshi Urakawa

Professor, Florida Gulf Coast University
Verified email at fgcu.edu
Cited by 7273

[BOOK][B] Calculus of variations and harmonic maps

H Urakawa - 2013 - books.google.com
This book provides a wide view of the calculus of variations as it plays an essential role in
various areas of mathematics and science. Containing many examples, open problems, and …

Ammonia oxidation kinetics determine niche separation of nitrifying Archaea and Bacteria

W Martens-Habbena, PM Berube, H Urakawa… - Nature, 2009 - nature.com
… of oxygen (0.51 µM O 2 h -1 = 0.67 µmol O 2 per mg protein per h, sd 0.29, n = 10… h -1 (36.29
µmol O 2 per mg protein per h, sd 3.35, n = 10; ≈ 24.2 µmol ammonium per mg protein per h

Nitrosopumilus maritimus genome reveals unique mechanisms for nitrification and autotrophy in globally distributed marine crenarchaea

…, JR de la Torre, MG Klotz, H Urakawa… - Proceedings of the …, 2010 - National Acad Sciences
Ammonia-oxidizing archaea are ubiquitous in marine and terrestrial environments and now
thought to be significant contributors to carbon and nitrogen cycling. The isolation of …

Oxidative stress is associated with adiposity and insulin resistance in men

H Urakawa, A Katsuki, Y Sumida… - The journal of …, 2003 - academic.oup.com
To investigate the direct relationship of oxidative stress with obesity and insulin resistance in
men, we measured the plasma levels of 8-epi-prostaglandin F2α (PGF2α) in 14 obese and …

Molecular bottlebrushes

…, K Fischer, M Schmidt, I Wataoka, H Urakawa… - …, 1996 - ACS Publications
… The fact that good fits with reasonable d h values can be … h ∼ 1/ln(L/d h ); ie, small errors
in R h result in a large uncertainty in the d h values, which is reflected in the scatter of the d h

Marine ammonia-oxidizing archaeal isolates display obligate mixotrophy and wide ecotypic variation

…, CB Walker, H Urakawa… - Proceedings of the …, 2014 - National Acad Sciences
Ammonia-oxidizing archaea (AOA) are now implicated in exerting significant control over the
form and availability of reactive nitrogen species in marine environments. Detailed studies …

Wetland management using microbial indicators

H Urakawa, AE Bernhard - Ecological Engineering, 2017 - Elsevier
The use of biological indicators to monitor the health and functioning of wetlands has been
an ongoing goal of wetland scientists and managers, and has focused primarily on …

Ecological response of nitrification to oil spills and its impact on the nitrogen cycle

H Urakawa, S Rajan, ME Feeney… - Environmental …, 2019 - Wiley Online Library
… 100% inhibition at 10 μg l −1 in a 72 h incubation bioassay, indicating that N. maritimus is
at least 1000 … A part of figure (A and B) are adopted and modified from Urakawa et al. (2012). …

Small-angle x-ray scattering and rheological characterization of alginate gels. 1. Ca− alginate gels

…, KI Draget, O Smidsrød, Y Yuguchi, H Urakawa… - …, 2000 - ACS Publications
… The chemical composition, the fraction of diad sequences F GG , F MG , and F MM ,
determined by high field 1 H NMR according to Grasdalen, 24 and intrinsic viscosity, [η], in 0.1 M …

Increased visceral fat and serum levels of triglyceride are associated with insulin resistance in Japanese metabolically obese, normal weight subjects with normal …

A Katsuki, Y Sumida, H Urakawa, EC Gabazza… - Diabetes …, 2003 - Am Diabetes Assoc
OBJECTIVE—The purpose of this study was to investigate the association between visceral
adiposity or triglyceride (TG) metabolism and insulin resistance in metabolically obese, …