Optical sensing in nanopores. Encapsulation of the solvatochromic dye nile red in zeolites

Journal of the American Chemical Society

Volumn 121, Issue 2, 1999, Pages 448-449

  Meinershagen, Julia L ^a   Bein, Thomas ^a  

^a PURDUE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

FLUORESCENT DYE; NANOPARTICLE; NILE RED; UNCLASSIFIED DRUG; ZEOLITE;

ADSORPTION; ARTICLE; COOLING; DIFFUSION; ENCAPSULATION; HYDROPHOBICITY; REFLECTOMETRY; SENSOR; SPECTROFLUOROMETRY; SYNTHESIS;

EID: 0033585529     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja982647d     Document Type: Article

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18. 4 at 550 °C (see also ref 21). Meier, W. M.; Olson, D. H.; Baerlocher, Ch. Atlas of Zeolite Structure Types. 4th ed.: Butterworth Scientific Limited: London, 1996.
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21. 4 resonances. Si:Al ratios were determined by ICP/AES after digestion of the host in HF.
22. 4OH (aq), and the nile red/zeolite inclusion was washed with EtOH. Soxhlet-extracted with EtOH, and collected.
23. Visible and diffuse reflectance spectra were recorded on a Hitachi U-3501 spectrophotometer with an integrating sphere. X-ray diffractograms were taken on a Scintag XDS 2000 diffractometer with Cu Kα radiation. Mass spectral analysis was carried out on a Hewlett-Packard APCI 59987A electrospray and 5989B mass spectrometer. IR spectra were recorded on a Mattson Polaris spectrometer.
24. Two side products were observed in the extracted siliceous sample 1 (M + H = 207 and 341, 15% total), while about 10 products were detected in the solution synthesis.