N-(2,6-Dimethylphenyl)-2-methoxy-N-(2-oxo-1,3-oxazolidin-3-yl)acetamide
CAS Number:
77732-09-3
Molecular Formula:
C14H18N2O4
Dispersions of alkyl-capped silicon nanocrystals in aqueous media: photoluminescence and ageing
Literature Information
Publication Date
2008-08-05
DOI
10.1039/B801921E
Impact Factor
4.616
Authors
N. Al-Sharif, C. E. M. Berger, H. K. Datta, L. Šiller
View Original
Abstract
Alkyl-capped silicon nanocrystals can be dispersed in aqueous media by shaking or stirring their solutions in organic solvents (DMSO, ether, THF) with excess water. THF is the most straightforward choice with which to prepare stable aqueous dispersions, because the nanocrystals are very soluble in THF and it is also miscible with water. As little as 0.01% v/v tetrahydrofuran is sufficient. DMSO and ether were the preferred choices for subsequent staining of live cells because THF shows some acute toxicity even when very dilute. The luminescence intensity of the aqueous dispersions is linear in particle concentration and independent of pH over the range 5–9. The sols retain their photoluminescence and are stable against flocculation for at least 6 months.
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Source Journal
Analyst
CiteScore:
7.8
Self-citation Rate:
5.6%
Articles per Year:
653
Analyst publishes analytical and bioanalytical research that reports premier fundamental discoveries and inventions, and the applications of those discoveries, unconfined by traditional discipline barriers.
Recommended Compounds
(3beta,22E)-Stigmasta-5,22-dien-3-yl beta-D-glucopyranoside
CAS Number:
19716-26-8
Molecular Formula:
C35H58O6
2-Chloro-4-nitrophenyl 6-deoxy-alpha-L-galactopyranoside
CAS Number:
157843-41-9
Molecular Formula:
C12H14ClNO7
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