131-22-6Relevant articles and documents
Self-assembly of azobenzene-based two-component gels
Zhang, Yuan,Xue, Pengchong,Yao, Boqi,Sun, Jiabao
, p. 5747 - 5753 (2014)
An azobenzene derivative was found to form a two-component gelator with lauroyl or stearoyl phenylalanine although phenylalanine units failed to gel the solvent. During gelation, the yellow sols turned into red gels, implying a sharp color change in the system. In gel, molecules self-assembled into one-dimensional nanofibers. Circular dichroism spectral results indicated that the chirality of phenylalanine was passed on to the azobenzene moiety, which formed a right-handed helical stacking in the gel phase. UV-vis experiments and NMR spectra revealed that the azobenzene derivative and lauroyl phenylalanine formed a complex with a ratio of 1:4. The critical gelation concentrations and gel-to-sol phase transition temperatures were dependent on the ratio of the two compounds. Moreover, the response of two-component gels to mechanical stimulus could result in a gel-to-sol transition. The gels can again self-heal after resting, which is a process that can be reversed numerous times. This journal is
COMPOUNDS, LINKED WITH HAPTENS, FOR THE DETECTION OF SENESCENT CELLS
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Page/Page column 68, (2018/02/03)
The present disclosure relates to compounds of the formula (1) that function as senescent cell detectors: wherein the SBB analogues refer to de novo synthesized derivatives with structural similarity to the Sudan Black B dye, L is an appropriate chemical bond and hapten is biotin, or digoxigenin, or 2,4-dinitrophenol, or fluorescein, but more preferably biotin. The present invention also relates to processes for the preparation of these compounds, to their use in the detection of senescent cells, to methods of detecting senescence in cells and to kits comprising said compounds.
Effects of different terminal substituents on the mesomorphic behavior of some azo-Schiff base and azo-ester-based liquid crystals
Thaker,Kanojiya,Tandel
scheme or table, p. 120 - 137 (2011/05/12)
In order to investigate the influence of the terminal substitution on mesomorphism, two new series of azo-Schiff base and azo-ester liquid crystals having the following structures have been synthesized. All the compounds possess mesomorphic properties. In series A compounds A1 and A3 exhibit only a nematic mesophase, whereas compounds A2, A4, A5, A6, A7, A8, A9, and A10 exhibit a smectic as well as a nematic phase. In series B compounds B1 to B9 exhibit only a nematic mesophase, and compounds B10 and B11 exhibit a smectic as well as a nematic phase, but compound B12 exhibits only a smectic phase. All these compounds were characterized by elemental analyses and spectroscopic techniques (Fourier transform infrared [FTIR], 1H nuclear magnetic resonance [NMR], and mass spectroscopy). Their mesomorphic properties were measured by optical polarized light microscopy and differential scanning calorimetry (DSC). Copyright Taylor & Francis Group, LLC.
