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Investigations into the liquid crystalline behaviour of substituted phthalocyanines suitable for use in anti cancer treatments
Başlık:
Investigations into the liquid crystalline behaviour of substituted phthalocyanines suitable for use in anti cancer treatments
Yazar:
Stennett, Alexander D., author.
ISBN:
9780438043510
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (204 pages)
Genel Not:
Source: Dissertation Abstracts International, Volume: 76-08C.
Özet:
The structures and textures of 21 novel lyotropic and thermotropic substituted phthalocyanines (Pcs) have been investigated over a range of temperatures. Lyotropic molecules were also investigated over a range of concentrations. The Pcs differed from each other in the number and types of substituents attached to the Pc ring. Simultaneous SAXS and WAXS data are presented for these Pcs, along with optical microscopy, with an aim to assigning structures to each sample for all relevant temperatures and/or concentrations. The x-ray source used for these experiments was station 8.2 on the synchrotron radiation source at Daresbury Laboratory. Cells consisted of unaligned samples of about 20mum between 150mum microscope cover slips or 1mm diameter tubes with 100mum glass walls. Data acquisition times were about 15-20 minutes for each sample and temperature. Sample temperature was controlled with a Linkam controller and an adapted Linkam hotstage giving temperatures held consistently to within +/-0.2°C but with larger offset discrepancies depending on the temperature to be obtained. A range of possible structures have been observed including columnar hexagonal, columnar nematic, two probable lamella arrangements of columns and a rectangular columnar structure.
Notlar:
School code: 1543
Tüzel Kişi Ek Girişi:
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(684288.1) | 684288-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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