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Showing 25 to 36 of 821 entries
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Formation, structure, and reactivity of amino-terminated organic films on silicon substrates.

Journal of colloid and interface science

Kim J, Seidler P, Wan LS, Fill C.
PMID: 18930465
J Colloid Interface Sci. 2009 Jan 01;329(1):114-9. doi: 10.1016/j.jcis.2008.09.031. Epub 2008 Oct 18.

Amino-functionalized organic films were prepared by self-assembling 3-aminopropyltriethoxysilane (APTES) on silicon wafers in either anhydrous toluene or phosphate-buffered saline (PBS) for varied deposition times. Fourier transform infrared spectroscopy (FTIR) and ellipsometry have shown that the structure and thickness of...

Light-induced structural transformation in self-assembled monolayer of 4-(amyloxy)cinnamic acid investigated with scanning tunneling microscopy.

The journal of physical chemistry. B

Xu LP, Yan CJ, Wan LJ, Jiang SG, Liu MH.
PMID: 16852867
J Phys Chem B. 2005 Aug 11;109(31):14773-8. doi: 10.1021/jp052959k.

UV light irradiation effect on the structural transformation in a self-assembled monolayer of 4-(amyloxy)cinnamic acid (AOCA) on Au(111) has been investigated by using electrochemical scanning tunneling microscopy (ECSTM), cyclic voltammetry, and infrared (IR) spectroscopy. A well-defined 4-(amyloxy)cinnamic acid adlayer...

Effect of polycyclic aromatic hydrocarbons on detection sensitivity of ultratrace nitroaromatic compounds.

Analytical chemistry

Zhang HX, Chen Q, Wen R, Hu JS, Wan LJ.
PMID: 17269652
Anal Chem. 2007 Mar 01;79(5):2179-83. doi: 10.1021/ac0618268. Epub 2007 Feb 01.

Polycyclic aromatic hydrocarbons (PAHs) with different numbers of pi-electrons and geometric symmetry of pi-systems, including anthracene, phenanthrene, pyrene, triphenylene, perylene, benzo[ghi]perylene, and coronene, were chosen to modify glassy carbon electrodes (GCEs) by self-assembling. The self-assembled monolayer of PAHs was...

Dispersion of metallofullerene Y@C82 on bare, C60-modified, and iodine-modified Au(111) surfaces investigated with ECSTM.

The journal of physical chemistry. B

Su GJ, Gan LH, Yang ZY, Pan GB, Wan LJ, Wang CR.
PMID: 16539497
J Phys Chem B. 2006 Mar 23;110(11):5559-62. doi: 10.1021/jp054548+.

Two-dimensional (2D) assembling behaviors of the endohedral metallofullerene Y@C(82) on bare, C(60)-modified, and iodine-modified Au(111) surfaces have been investigated in 0.1 M HClO(4) solution employing electrochemical scanning tunneling microscopy (ECSTM). The results show that Y@C(82) molecules are mobile and...

Fabricating and controlling molecular self-organization at solid surfaces: studies by scanning tunneling microscopy.

Accounts of chemical research

Wan LJ.
PMID: 16700532
Acc Chem Res. 2006 May;39(5):334-42. doi: 10.1021/ar0501929.

This account presents a summary of recent work describing the control and fabrication of self-organized molecular adlayers on solid substrates. These results demonstrate that molecules, under appropriate conditions, will self-organize into well-ordered monolayers on various solid surfaces. Using scanning...

[Analysis of main pathogen of deep fungal infection in patients with lung cancer by FCM].

Zhongguo fei ai za zhi = Chinese journal of lung cancer

Hu X, Wan L, Lin Y.
PMID: 21187027
Zhongguo Fei Ai Za Zhi. 2005 Feb 20;8(1):54-5. doi: 10.3779/j.issn.1009-3419.2005.01.13.

BACKGROUND: Deep fungal infection is one of the important complications and causes of death in late stage patients with lung cancer, to explore and analyze the pathogen of deep fungal infection is helpful to early diagnose and treat deep...

Methyl Testosterone: A Case Report.

Canadian journal of comparative medicine and veterinary science

Swan LC.
PMID: 17648390
Can J Comp Med Vet Sci. 1949 Mar;13(3):65-6.

No abstract available.

Processing additives for improved efficiency from bulk heterojunction solar cells.

Journal of the American Chemical Society

Lee JK, Ma WL, Brabec CJ, Yuen J, Moon JS, Kim JY, Lee K, Bazan GC, Heeger AJ.
PMID: 18288842
J Am Chem Soc. 2008 Mar 19;130(11):3619-23. doi: 10.1021/ja710079w. Epub 2008 Feb 21.

Two criteria for processing additives introduced to control the morphology of bulk heterojunction (BHJ) materials for use in solar cells have been identified: (i) selective (differential) solubility of the fullerene component and (ii) higher boiling point than the host...

Hydrogen bond partner reorganization in the coadsorption of a monodendron and pyridylethynyl derivatives.

Langmuir : the ACS journal of surfaces and colloids

Zhang X, Chen T, Yan HJ, Wang D, Fan QH, Wan LJ, Ghosh K, Yang HB, Stang PJ.
PMID: 21073168
Langmuir. 2011 Feb 15;27(4):1292-7. doi: 10.1021/la1037876. Epub 2010 Nov 12.

Hydrogen bonds with high selectivity and directionality are significant in harnessing molecules to form 2D supramolecular nanostructures. The competition and reorganization of hydrogen bond partners determine the ultimate molecular assembly and pattern in a 2D supramolecular system. In this...

STM investigation of the photoisomerization of an azobis-(benzo-15-crown-5) molecule and its self-assembly on Au(111).

The journal of physical chemistry. B

Xu LP, Wan LJ.
PMID: 16494327
J Phys Chem B. 2006 Feb 23;110(7):3185-8. doi: 10.1021/jp055198u.

Scanning tunneling microscopy (STM) has been employed to investigate the photoisomerization of azobis-(benzo-15-crown-5) on Au(111). A self-assembled monolayer of azobis-(benzo-15-crown-5) with a (3 x 7) symmetry was observed on Au(111). After ex-situ UV-light irradiation, a new adlayer structure with...

Refined structure of cadmium-substituted concanavalin A at 2.0 A resolution.

Acta crystallographica. Section D, Biological crystallography

Naismith JH, Habash J, Harrop S, Helliwell JR, Hunter WN, Wan TC, Weisgerber S, Kalb AJ, Yariv J.
PMID: 15299493
Acta Crystallogr D Biol Crystallogr. 1993 Nov 01;49:561-71. doi: 10.1107/S0907444993006390.

The three-dimensional structure of cadmium-substituted concanavalin A has been refined using X-PLOR. The R factor on all data between 8 and 2 A is 17.1%. The protein crystallizes in space group I222 with cell dimensions a = 88.7, b...

Structure solution of a cubic crystal of concanavalin A complexed with methyl alpha-D-glucopyranoside.

Acta crystallographica. Section D, Biological crystallography

Harrop SJ, Helliwell JR, Wan TC, Kalb AJ, Tong L, Yariv J.
PMID: 15299735
Acta Crystallogr D Biol Crystallogr. 1996 Jan 01;52:143-55. doi: 10.1107/S0907444995008742.

The solution of the cubic crystal form (a = 167.8 A) of concanavalin A complexed with the monosaccharide methyl alpha-D-glucopyranoside is described. The space group has been determined as I2(1)3 rather than I23. The use of cadmium to replace...

Showing 25 to 36 of 821 entries