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Showing 1 to 12 of 126882 entries
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Synthesis of thiol-derivatized europium porphyrinic triple-decker sandwich complexes for multibit molecular information storage.

The Journal of organic chemistry

Li J, Gryko D, Dabke RB, Diers JR, Bocian DF, Kuhr WG, Lindsey JS.
PMID: 11076594
J Org Chem. 2000 Nov 03;65(22):7379-90. doi: 10.1021/jo000490d.

The storage of multiple bits of information at the molecular level requires molecules with a large number of distinct oxidation states. Lanthanide triple-decker sandwich molecules employing porphyrins and phthalocyanines afford four cationic states and are very attractive for molecular...

Heat conduction in one-dimensional nonintegrable systems.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Hu B, Li B, Zhao H.
PMID: 11088161
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 2000 Apr;61(4):3828-31. doi: 10.1103/physreve.61.3828.

Two classes of one-dimensional nonintegrable systems represented by the Fermi-Pasta-Ulam (FPU) model and the discrete straight phi(4) model are studied to seek a generic mechanism of energy transport on a microscopic level sustaining macroscopic behaviors. The results enable us...

Measurement of atmospheric hydrogen peroxide and hydroxymethyl hydroperoxide with a diffusion scrubber and light emitting diode-liquid core waveguide-based fluorometry.

Analytical chemistry

Li J, Dasgupta PK.
PMID: 11080885
Anal Chem. 2000 Nov 01;72(21):5338-47. doi: 10.1021/ac000611+.

We describe a new automated instrument for measuring gas- and aqueous-phase H2O2. The chemistry relies on the hematin-catalyzed oxidation of nonfluorescent thiamine to fluorescent thiochrome by H2O2; this reaction is 25-fold more selective for hydrogen peroxide than its nearest...

Prevalence of cardiovascular risk factors in the republic of georgia.

Journal of human hypertension

Grim C, Petersen J, Li J, Tavill F, Kipshidze N, Chawla P.
PMID: 10578228
J Hum Hypertens. 1999 Nov;13(11):799. doi: 10.1038/sj.jhh.1000928.

No abstract available.

Electro-Viscous Effects on Liquid Flow in Microchannels.

Journal of colloid and interface science

Ren L, Li D, Qu W.
PMID: 11112301
J Colloid Interface Sci. 2001 Jan 01;233(1):12-22. doi: 10.1006/jcis.2000.7262.

The presence of the electrical double layer near a solid-liquid interface results in the electro-viscous effect on pressure-driven liquid flow through microchannels. The objective of this paper is to examine the magnitude of the additional flow resistance caused by...

Direct calculation of light-induced structural change and diffusive motion in glassy As2Se3.

Physical review letters

Li J, Drabold DA.
PMID: 10991233
Phys Rev Lett. 2000 Sep 25;85(13):2785-8. doi: 10.1103/PhysRevLett.85.2785.

Photostructural change of glassy As2Se3 was simulated on an experimentally credible model with excited electronic dynamics within first-principles molecular dynamics. Bond breaking and bond switching reactions account for local changes around defect sites at the short time phase of...

The incidence of oscillatory behavior in the continuous fermentation of zymomonas mobilis .

Biotechnology progress

McLellan PJ, Daugulis AJ, Li J.
PMID: 10441358
Biotechnol Prog. 1999 Jul;15(4):667-80. doi: 10.1021/bp990070d.

The incidence of oscillatory behavior in the continuous culture of Zymomonas mobilis has been examined using a combination of experimental investigations and a predictive model. The tendency to oscillatory behavior was assessed by perturbing the feed substrate concentration and...

Analysis of C-terminal Amidating Structure and Determination of Amidating Enzyme Activity by Using Capillary Electrophoresis.

Sheng wu hua xue yu sheng wu wu li xue bao Acta biochimica et biophysica Sinica

Jiang ZH, Tu HM, Yang YH, Xia QC, Li BL, Wang DB.
PMID: 12174292
Sheng Wu Hua Xue Yu Sheng Wu Wu Li Xue Bao (Shanghai). 1998;30(1):21-25.

Based on the difference in charge and hydrophobicity between amidating moiety and the carboxyl group in a given buffer solution, a new method to analyze the C-terminal amidating structure and the amidating enzyme activity by using capillary electrophoresis was...

Relation between In ion ordering and crystal structure variation in homologous compounds InMO3(ZnO)m (M = Al and In; m = integer).

Micron (Oxford, England : 1993)

Li C, Bando Y, Nakamura M, Kimizuka N.
PMID: 10831300
Micron. 2000 Oct;31(5):543-50. doi: 10.1016/s0968-4328(99)00136-5.

The relation between the ordering of In ions and the structure variation of homologous compounds InInO3(ZnO)13 and InAlO3(ZnO)m (m = 4, 5, and 13) have been studied by high-resolution transmission electron microscopy. It is revealed that InMO3(ZnO)m is a...

Significance of runaway calcium homeostasis in cultured cardiomyocytes in development of hypoxia, burnt serum-induced injury.

Chinese journal of traumatology = Zhonghua chuang shang za zhi

Chi L, Yang Z, Wang X, Li A.
PMID: 11900653
Chin J Traumatol. 1999 May 15;2(1):44-47.

OBJECTIVE: This study aimed at understanding of the role of calcium homeostasis in cardiomyocytes from hypoxia, burnt serum-induced injury. METHODS: Alterations in cytosolic free calcium concentration (Ca(i)), calcium influx and viability of the cardiomyocytes in vitro after hypoxia, burnt...

Effect of fluoride salts on metal-mediated reactions. Aluminum/fluoride salt-mediated reduction and pinacol coupling of carbonyl compounds in aqueous media.

Organic letters

Li LH, Chan TH.
PMID: 10804571
Org Lett. 2000 Apr 20;2(8):1129-32. doi: 10.1021/ol0000399.

[formula: see text] Metal fluoride salts were found to activate aluminum in water to react with carbonyl compounds to give the pinacol coupling products and/or the reduced alchohols. The metal ion of the fluoride salt was found to play...

Cloning and Expression of the Yeast Saccharomyces cerevisiae MyristoyL-CoA: Protein N-Myristoyltransferase Gene.

Sheng wu hua xue yu sheng wu wu li xue bao Acta biochimica et biophysica Sinica

Duan ZJ, Chen CZ, Li BL.
PMID: 12237691
Sheng Wu Hua Xue Yu Sheng Wu Wu Li Xue Bao (Shanghai). 1996;28(2):115-123.

The gene encoding the myristoyl-CoA: protein N-myristoyltransferase from yeast S. cerevisiae (YSCNMT) has been amplified with the synthetic oligonucleotides by PCR, cloned into the pBluescript KS+ vector and analyzed by DNA sequencing. Then, an expression plasmid (pMFT7-5-NMT) containing the...

Showing 1 to 12 of 126882 entries