نتایج جستجو برای: melamine complexes

تعداد نتایج: 138611  

Journal: :Nanoscale 2015
Chia-Hsuan Chen Shiou-Wen Yang Min-Chiang Chuang Wei-Yen Woon Ching-Yuan Su

Large-scale production of uniform and high-quality graphene is required for practical applications of graphene. The electrochemical exfoliation method is considered as a promising approach for the practical production of graphene. However, the relatively low production rate of graphene currently hinders its usage. Here, we demonstrate, for the first time, a rapid and high-yield approach to exfo...

Journal: :Chemical communications 2011
Verónica León Mildred Quintana M Antonia Herrero Jose L G Fierro Antonio de la Hoz Maurizio Prato Ester Vázquez

We report a simple, practical scalable procedure to produce few-layer graphene sheets using ball-milling. Commercially available melamine can be efficiently used to exfoliate graphite and generate concentrated water or DMF dispersions.

Journal: :Rapid communications in mass spectrometry : RCM 2012
Martin R L Paine Philip J Barker Shane A Maclauglin Todd W Mitchell Stephen J Blanksby

RATIONALE Polymer-based surface coatings in outdoor applications experience accelerated degradation due to exposure to solar radiation, oxygen and atmospheric pollutants. These deleterious agents cause undesirable changes to the aesthetic and mechanical properties of the polymer, reducing its lifetime. The use of antioxidants such as hindered amine light stabilisers (HALS) retards these degrada...

Journal: :Chemical communications 2011
Jiseok Lee Eun Jeong Jeong Jinsang Kim

We report a convenient melamine detection system based on polydiacetylene (PDA) liposomes having rapid, selective, and sensitive detection, and dual signal capabilities. The detection limit of the sensory PDA liposome is 1 and 0.5 ppm in the colorimetric and the fluorescence detection schemes, respectively, satisfying the world regulation level.

Journal: :Physical chemistry chemical physics : PCCP 2013
Artur Ciesielski Sébastien Haar Gábor Paragi Zoltán Kupihár Zoltán Kele Stefano Masiero Célia Fonseca Guerra F Matthias Bickelhaupt Gian Piero Spada Lajos Kovács Paolo Samorì

The control over the formation of a bi-component porous network was attained by the self-assembly at a solid-liquid interface by exploiting both primary and secondary non-covalent interactions between melamine and N(3)-alkylated xanthine modules.

2012
N. Kanagathara G. Chakkaravarthi M. K. Marchewka S. Gunasekaran G. Anbalagan

In the title adduct, 2C(6)H(5)NO(3)·C(3)H(6)N(6)·H(2)O, the melamine and the two independent nitrophenol molecules are essentially planar, with maximum deviations of 0.0294 (10), 0.0706 (12) and 0.0742 (12) Å, respectively. In the crystal, N-H⋯N, O-H⋯N, N-H⋯O and O-H⋯O hydrogen bonds link the components into a three-dimensional network. In addition, weak π-π inter-actions [centroid-centroid dis...

Journal: :Blood 1951
D A KARNOFSKY J H BURCHENAL G C ARMISTEAD C M SOUTHAM J L BERNSTEIN L F CRAVER C P RHOADS

Journal: :Organic & biomolecular chemistry 2009
Shiki Yagai Saori Hamamura Hao Wang Vladimir Stepanenko Tomohiro Seki Kanako Unoike Yoshihiro Kikkawa Takashi Karatsu Akihide Kitamura Frank Würthner

Co-assembly of ditopic perylene bisimide and azobenzene-functionalized melamine occurs with an unconventional stoichiometric ratio, providing well-defined nanostructures with a helically-coiled architecture where perylene chromophores are packed in desirable J-type arrangements.

2008

Introduction......................................................................................................................... 1 Uses and possible human exposure ................................................................................... 2 Toxicity of Melamine .......................................................................................................... 2 Toxicity of ...

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