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An Improved Method of Determining the zeta-Potential and Surface Conductance.

Journal of colloid and interface science

Erickson D, Li D, Werner C.
PMID: 11071749
J Colloid Interface Sci. 2000 Dec 01;232(1):186-197. doi: 10.1006/jcis.2000.7153.

In the classical "slope-intercept" method of determining the zeta potential and the surface conductance, the relationship between DeltaP and E(s) is measured experimentally at a number of different channel sizes (e.g., the height of a slit channel, h). The...

Synthesis and spectroscopic properties of finite Ph2N-containing oligo(arylenevinylene) derivatives that emit blue to red fluorescence.

Organic letters

Li CL, Shieh SJ, Lin SC, Liu RS.
PMID: 12659591
Org Lett. 2003 Apr 03;5(7):1131-4. doi: 10.1021/ol034246v.

[structure: see text] A series of oligo(phenylenevinylene) (OPV) derivatives with finite conjugation units were prepared in short steps from few building blocks. The central and terminal aryl groups of these OPV dyes contain cyano and Ph(2)N substituents, respectively, which...

A novel method for the preparation of III-V semiconductors: sonochemical synthesis of InP nanocrystals.

Ultrasonics sonochemistry

Li B, Xie Y, Huang J, Liu Y, Qian Y.
PMID: 11510215
Ultrason Sonochem. 2001 Oct;8(4):331-4. doi: 10.1016/s1350-4177(01)00068-2.

A novel method for the preparation of III-V semiconductor has been provided in this paper. At room temperature, InP nanocrystals with diameter of approximately 9 nm were successfully obtained under high-intensity ultrasonic irradiation for 4 h from the reaction...

Cloning, Expression and Tumor Suppression of Human Endostatin.

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

He ZY, Chen ZY, Qiu CP, Li B, Zhang WJ, Wu XF.
PMID: 12075417
Sheng Wu Hua Xue Yu Sheng Wu Wu Li Xue Bao (Shanghai). 2000;32(4):333-336.

Human endostatin cDNA was cloned from total RNA of normal Chinese liver cell line L02 by RT-PCR. Endostatin DNA sequence encoded 184 amino acid residues. Five base pairs and 3 amino acid residues are different from that reported, it...

Big names or big ideas: Do peer-review panels select the best science proposals?.

Li D, Agha L.
UIID-AD: 253
2015;348:434-438. doi: 10.1126/science.aaa0185.

This paper examines the success of peer-review panels in predicting the future quality of proposed research. We construct new data to track publication, citation, and patenting outcomes associated with more than 130,000 research project (R01) grants funded by the...

Application of functional ionic liquids possessing two adjacent acid sites for acetalization of aldehydes.

The Journal of organic chemistry

Li D, Shi F, Peng J, Guo S, Deng Y.
PMID: 15132578
J Org Chem. 2004 May 14;69(10):3582-5. doi: 10.1021/jo034859l.

Several acid functional ionic liquids, in which cations possess two adjacent acid sites, were synthesized and used for the acetalization of aldehydes with good catalytic performance under mild reaction conditions.

Ultraviolet-visible and surface-enhanced Raman scattering spectroscopy studies on self-assembled metalloporphyrin films on organic monolayer-modified ultra-thin silver substrates.

Applied spectroscopy

Li X, Xu W, Jia H, Wang X, Zhao B, Li B, Ozaki Y.
PMID: 15035708
Appl Spectrosc. 2004 Mar;58(3):287-91. doi: 10.1366/000370204322886627.

A self-assembled monolayer (SAM) film of 5,10,15,20-tetra-(para-chlorophenyl)-porphyrin terbium (or lutetium) hydroxy compound (TbOH/LuOH) fabricated on a silver substrate premodified with a SAM of 4-mercaptopyridine (PySH) was studied by ultraviolet-visible (UV-Vis) spectroscopy and surface-enhanced Raman scattering (SERS) spectroscopy. PySH can...

Cu(I)-catalyzed direct addition and asymmetric addition of terminal alkynes to imines.

Proceedings of the National Academy of Sciences of the United States of America

Wei C, Mague JT, Li CJ.
PMID: 15067132
Proc Natl Acad Sci U S A. 2004 Apr 20;101(16):5749-54. doi: 10.1073/pnas.0307150101. Epub 2004 Apr 05.

A Cu(I)-catalyzed direct addition of alkynes to imines was developed. The process is simple and provides a diverse range of propargylamines in high enantiomeric excess and good yield both in water and in toluene. The absolute configuration of such...

Suzuki reaction takes a "naked hot bath": coupling in high-temperature water without transition metals.

Angewandte Chemie (International ed. in English)

Li CJ.
PMID: 14579430
Angew Chem Int Ed Engl. 2003 Oct 20;42(40):4856-8. doi: 10.1002/anie.200301672.

No abstract available.

Effects of aluminium ion on root growth, cell division, and nucleoli of garlic (Allium sativum L.).

Environmental pollution (Barking, Essex : 1987)

Liu D, Jiang W, Li D.
PMID: 15091779
Environ Pollut. 1993;82(3):295-9. doi: 10.1016/0269-7491(93)90132-8.

The effects of different concentrations of aluminium chloride on root growth, cell division, chromosome morphology and nucleoli in root tip cells of garlic (Allium sativum L.) were studied. The concentrations of aluminium chloride (AlCl(3)) used were 10(-5), 10(-4), 10(-3),...

[Instrumental analysis and systematic investigation on heavy oils from coal. I. Analysis of hydrocarbon class composition].

Se pu = Chinese journal of chromatography

Zhang C, Li A, Li Y, Zhang L.
PMID: 12552854
Se Pu. 1999 Jul;17(4):372-5.

A study on the analysis of hydrocarbon class composition was carried out by thin layer chromatography with flame ionization detection(TLC/FID). The optimum analytical conditions, experimental reproduction, standard deviation, quantitative correction factors of hydrocarbon class and so on were investigated....

Negative lateral shift of a light beam transmitted through a dielectric slab and interaction of boundary effects.

Physical review letters

Li CF.
PMID: 14525305
Phys Rev Lett. 2003 Sep 26;91(13):133903. doi: 10.1103/PhysRevLett.91.133903. Epub 2003 Sep 26.

It is found that when a light beam travels through a slab of optically denser dielectric medium in air, the lateral shift of the transmitted beam can be negative. This is a novel phenomenon that is reversed in comparison...

Showing 25 to 36 of 47608 entries