Ditapis dengan
Transient institutional investors and insider trading signals
Purpose – The aim of this paper is to examine how informed traders, i.e. transient institutional investors that actively trade on information to maximize investment profits, use insider trading signals in addition to accounting numbers to mitigate future abnormal returns. Design/methodology/approach – Using a sample of 44,843 firm-quarters from 1988 to 2001 in the USA, the paper examine…
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- Deskripsi Fisik
- International Journal of Accounting and Information Management Vol. 19 No. 2, 2011 pp. 118-145
- Judul Seri
- International Journal of Accounting and Information Management
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Controlled synthesis of CdSe and CdSe/CdS core/shell nanoparticles using Gemi…
Abstract. CdSe and CdSe/CdS core/shell nanoparticles (NPs) were synthesized by using Gemini surfactant, 1,10- bis(a-hexadecyl pyridine) decamethylene dibromide (abbreviated Py-16-10-16), as a soft template. Subsequent analysis revealed that the as-synthesized CdSe NPs and CdSe/CdS core/shell NPs were highly luminescent with quantum yields of 18% and 35%, respectively, compared with Rhodamin…
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- Deskripsi Fisik
- Journal of Colloid and Interface Science 335 (2009) 257–263
- Judul Seri
- Journal of Colloid and Interface Science
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Design and optimization of a new self-nanoemulsifying drug delivery system
Abstract. To improve the dissolution rate of ibuprofen, a model poorly water soluble drug, self-nanoemulsifying drug delivery systems (SNEDDS) were developed. Various surfactants and oils were screened as candidates for SNEDDS on the basis of droplet size of the resulting emulsions. The influence of the constituent structure, concentration and the composition of SNEDDS formulations, and the…
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- Deskripsi Fisik
- Journal of Colloid and Interface Science 330 (2009) 443–448
- Judul Seri
- Journal of Colloid and Interface Science
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Preparation and characterization of carbon nanotubes/monotropic liquid crysta…
Abstract. In this work, we fabricated the composites containing multi-walled carbon nanotubes (MWNTs) and 4- methoxyphenyl-40-propylbenzoate (MPPB), a monotropic nematic liquid crystal (LC), via ultrasonication. The nematic phase and thermal stability of the resultant MWNTs/MPPB nanocomposites were investigated by polarized optical microscopy (POM) and thermogravimetric analyzer (TGA) respe…
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- Deskripsi Fisik
- Applied Surface Science 255 (2009) 6589–6592
- Judul Seri
- Applied Surface Science
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Monolayer Assembly and Fixation of FePt Nanoparticles:Microstructure and Magn…
Monolayer-FePt nanoparticles/boron carbide-matrix composite thin films on Si substrate were fabricated by a two-step method. Scanning electron microscopy indicates that the 6 nm FePt nanoparticles are well-separated in the monolayer with an average interparticle distance of
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- ISBN/ISSN
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- Deskripsi Fisik
- Chem. Mater. 2009, 21, 404–409
- Judul Seri
- Chemistry of Materials
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