Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Ziyang Liu"'
Publikováno v:
Journal of Chemical Sciences. 121:297-300
We report for the first time isolation of Ca@C92 and Ca@C94 by multi-stage high-performance liquid chromatography technique without recycling equipment. It is notable that higher metallofullerenes containing alkaline earth metal ions could be isolate
Autor:
Ziyang Liu, Jin Hongxiao, Chunxin Lu, Hua Yang, Marilyn M. Olmstead, Alan L. Balch, Yuliang Che
Publikováno v:
Journal of the American Chemical Society. 130:17296-17300
A series of di-gadolinium endohedrals that extends from Gd(2)C(90) to Gd(2)C(124) has been detected by mass spectrometry of the o-dichlorobenzene extract of the carbon soot produced by direct current arcing of graphite rods filled with a mixture of G
Publikováno v:
Rapid Communications in Mass Spectrometry. 19:838-842
A method was developed for quantitative determination of deuterium incorporated into live organisms or biological macromolecules. The deuterated biological material was mixed with a bovine serum albumin (BSA) supporter to make a homogeneous sample fo
Autor:
Cai-hua Tang, Jiahong Zhu, Wen Qian, Ziyang Liu, Chengyu Wang, Yue-qing Chen, Jiang-sen Mao, Yihui He, Chai Shao'ai
Publikováno v:
Chinese Science Bulletin. 49:253-257
Heavy water (D2O) could enhance thermosta-bility of some viruses. However, the underlying mechanism is not clear. Here we report the development of a matrix-aided gas-isotope-ratio mass spectrometry method that allows direct determination of deuteriu
Publikováno v:
European Journal of Mass Spectrometry. 7:461-465
The gas-phase ion–molecule reactions of C60 with the plasma generated from methyl acrylate under self-chemical ionization conditions were studied by use of a triple-quadrupole mass spectrometer. The adduct cation [C60C3H3O]+ and protonated molecula
Publikováno v:
The Journal of Physical Chemistry A. 103:8634-8639
The gas-phase ion−molecule reactions of C60 with the methoxymethyl ion [CH3OCH2]+ and the 1-hydroxyethyl ion [CH3CHOH]+ generated under the self-chemical-ionization (self-CI) conditions of alkyl methyl ethers and primary alcohols were studied in th
Publikováno v:
Chemistry of Materials. 11:374-377
The concentration of a polar solvent DMF extract was found to be very effective for the selective enrichment of endohedral metallofullerenes against empty fullerenes. As the solvent evaporated, endohedral metallofullerenes were effectively enriched i
Publikováno v:
Fullerene Science and Technology. 6:707-713
Endohedral metallofullerenes Tb@C2n were synthesized and extracted with high-yield by K-H carbon-are evaporation and an effective pyridine extraction technique at high-temperature high-pressure. Laser-desorption-ionization time-of-flight (LD-TOF) mas
Publikováno v:
Fullerene Science and Technology. 5:1461-1477
Gas phase ion-molecular reactions of endohedral metallofullerenes with the self-chemical ionization ion system of vinyl acetate, benzene and acetone in the ion source of the mass spectrometer have been studied. Several derivatized endohedral metallof
Publikováno v:
Chinese Science Bulletin. 42:1798-1802
END~HEDRAL metallofullerenes is the important part of modern fullerene science research'". From the first determination of La@C2, in laser mass spectrometry till now, great progress has been made in this fieldEz1. Varieties of endohedral metallofulle