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Showing 1 to 12 of 10376 entries
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Ammonia clathrate hydrates as new solid phases for Titan, Enceladus, and other planetary systems

pipeline programs

Alavi S, Kumar R.
GSID: 3JtuuymcyRAJ
K Shin, R Kumar, KA Udachin, S Alavi… - Proceedings of the …, 2012 - National Acad Sciences

There is interest in the role of ammonia on Saturn's moons Titan and Enceladus as the presence of water, methane, and ammonia under temperature and pressure conditions of …

Ammonia as an alternative energy storage medium for hydrogen fuel cells: scientific and technical review for near-term stationary power demonstration projects, final …

demonstration projects

Shah N.
GSID: zHiYhZloGGsJ
T Lipman, N Shah - 2007 - escholarship.org

This report documents the research efforts of a task order under a research technical agreement between the California Department of Transportation (Caltrans) and the University of California, Berkeley (UC Berkeley). The focus of this research is to understand the...

Bacterial community composition and fhs profiles of low-and high-ammonia biogas digesters reveal novel syntrophic acetate-oxidising bacteria

program design

Müller B, Schnürer A.
GSID: hpXKRnbcVWwJ
B Müller, L Sun, M Westerholm, A Schnürer - Biotechnology for biofuels, 2016 - Springer

Syntrophic acetate oxidation (SAO) is the predominant pathway for methane production in high ammonia anaerobic digestion processes. The bacteria (SAOB) occupying this niche …

The spontaneous synchronized dance of pairs of water molecules.

The Journal of chemical physics

Roncaratti LF, Cappelletti D, Pirani F.
PMID: 24697452
J Chem Phys. 2014 Mar 28;140(12):124318. doi: 10.1063/1.4869595.

Molecular beam scattering experiments have been performed to study the effect of long-range anisotropic forces on the collision dynamics of two small polar molecules. The main focus of this paper is on water, but also ammonia and hydrogen sulphide...

Tetrakis(tetramethylammonium) tricarbonatodioxidouranate octahydrate.

Acta crystallographica. Section C, Crystal structure communications

Reed WA, Oliver AG, Rao L.
PMID: 21881176
Acta Crystallogr C. 2011 Sep;67:m301-3. doi: 10.1107/S0108270111032641. Epub 2011 Aug 26.

The environment of the U atom in the title compound, (C(4)H(12)N)(4)[UO(2)(CO(3))(3)]·8H(2)O, presents a typical hexagonal bipyramidal geometry found in many actinide complexes. It is a model for actinide species and consists of common environmental moieties (carbonate, water and ammonia...

Reaction of Sn4(4-) in liquid ammonia: the formation of Rb6[(η2-Sn4)Zn(η3-Sn4)]·5NH3.

Dalton transactions (Cambridge, England : 2003)

Fendt F, Koch C, Gärtner S, Korber N.
PMID: 24067942
Dalton Trans. 2013 Nov 28;42(44):15548-50. doi: 10.1039/c3dt51932e.

The reaction of Rb4Sn4 with ZnPh2 in liquid ammonia in the presence of [2.2.2]-cryptand yielded crystals of Rb6[(η(2)-Sn4)Zn(η(3)-Sn4)]·5NH3, which could be characterized by single crystal X-ray diffraction. This is the first example of a successful solution reaction of the...

Bacterial co-expression of the α and β protomers of human l-asparaginase-3: Achieving essential N-terminal exposure of a catalytically critical threonine located in the β-subunit.

Protein expression and purification

Karamitros CS, Konrad M.
PMID: 24157738
Protein Expr Purif. 2014 Jan;93:1-10. doi: 10.1016/j.pep.2013.10.007. Epub 2013 Oct 22.

l-asparaginases hydrolyze l-asparagine to l-aspartic acid and ammonia. Enzymes of bacterial origin are used as therapeutic agents for the treatment of acute lymphoblastic leukemia. Recently, the structure of a human homolog, hASNase3, which possesses l-asparaginase activity, was solved setting...

Primary Succession of Nitrogen Cycling Microbial Communities Along the Deglaciated Forelands of Tianshan Mountain, China.

Frontiers in microbiology

Zeng J, Lou K, Zhang CJ, Wang JT, Hu HW, Shen JP, Zhang LM, Han LL, Zhang T, Lin Q, Chalk PM, He JZ.
PMID: 27625641
Front Microbiol. 2016 Aug 30;7:1353. doi: 10.3389/fmicb.2016.01353. eCollection 2016.

Structural succession and its driving factors for nitrogen (N) cycling microbial communities during the early stages of soil development (0-44 years) were studied along a chronosequence in the glacial forelands of the Tianshan Mountain No.1 glacier in the arid...

Synthesis and Characterization of Alkylamine-Functionalized Si(111) for Perovskite Adhesion With Minimal Interfacial Oxidation or Electronic Defects.

ACS applied materials & interfaces

Carl AD, Kalan RE, Obayemi JD, Zebaze Kana MG, Soboyejo WO, Grimm RL.
PMID: 28880534
ACS Appl Mater Interfaces. 2017 Oct 04;9(39):34377-34388. doi: 10.1021/acsami.7b07117. Epub 2017 Sep 20.

We investigated synthetic strategies for the functionalization of Si(111) surfaces with organic species containing amine moieties. We employed the functionalized surfaces to chemically "glue" perovskites to silicon with efficient electron transfer and minimal oxidation leading to deleterious recombination at...

Quest for Inexpensive Hydrogen Isotopic Fractionation: Do We Need 2D Quantum Confining in Porous Materials or Are Rough Surfaces Enough? The Case of Ammonia Nanoclusters.

The journal of physical chemistry. A

Mella M, Curotto E.
PMID: 27704841
J Phys Chem A. 2016 Oct 20;120(41):8148-8159. doi: 10.1021/acs.jpca.6b08005. Epub 2016 Oct 05.

We study the adsorption energetics and quantum properties of the molecular hydrogen isotopes H

Intracranial Pressure Monitoring Demonstrates that Cerebral Edema Is Not Correlated to Hyperammonemia in a Child with Ornithine Transcarbamylase Deficiency.

JIMD reports

Chantreuil J, Favrais G, Fakhri N, Tardieu M, Roullet-Renoleau N, Perez T, Travers N, Barantin L, Morel B, Saliba E, Labarthe F.
PMID: 26427994
JIMD Rep. 2016;27:55-62. doi: 10.1007/8904_2015_486. Epub 2015 Oct 02.

BACKGROUND: Ornithine transcarbamylase deficiency (OTCD) is an inborn error of urea cycle resulting in increased plasma levels of ammonia and glutamine and cerebral edema. However, the underlying mechanism of brain cytotoxicity remains controversial. Our objective is to present an...

Enhanced NH3-Sensitivity of Reduced Graphene Oxide Modified by Tetra-α-Iso-Pentyloxymetallophthalocyanine Derivatives.

Nanoscale research letters

Li X, Wang B, Wang X, Zhou X, Chen Z, He C, Yu Z, Wu Y.
PMID: 26403926
Nanoscale Res Lett. 2015 Dec;10(1):373. doi: 10.1186/s11671-015-1072-3. Epub 2015 Sep 24.

Three kinds of novel hybrid materials were prepared by noncovalent functionalized reduced graphene oxide (rGO) with tetra-α-iso-pentyloxyphthalocyanine copper (CuPc), tetra-α-iso-pentyloxyphthalocyanine nickel (NiPc) and tetra-α-iso-pentyloxyphthalocyanine lead (PbPc) and characterized by Fourier transform infrared spectroscopy (FT-IR), ultraviolet-visible spectroscopy (UV-vis), Raman spectra,...

Showing 1 to 12 of 10376 entries