A serial templating methodology using linked aminosilane/stannane units and simple beaker chemistry yields thin film nanoassemblies on semiconductor surfaces that provide nucleating sites for crystallization of octadecanol, the morphologies of which could be tailored using subtle variations in the backbone structure of bridged aminosilane/stannanes.
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http://dx.doi.org/10.1021/la049816u | DOI Listing |
Molecules
June 2024
Guangdong Province Engineering Laboratory for Air Pollution Control, South China Institute of Environmental Sciences, The Ministry of Ecology and Environment of People's Republic of China, Guangzhou 510655, China.
The article delves into the intricate phase transitions of 1-Octadecanol and n-Nonadecane within a binary system, unveiling dynamic structural changes under varying conditions. Through Fourier transform infrared (FTIR) analysis, specific molecular vibrations were identified, shedding light on the molecular composition and interactions. The study highlights the challenges in detecting subtle phase transitions and emphasises the individuality of molecular behaviours in closely related compounds.
View Article and Find Full Text PDFSmall
February 2024
Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea.
Highly anisotropic-shaped particles with well-ordered internal nanostructures have received significant attention due to their unique shape-dependent photonic, rheological, and electronic properties and packing structures. In this work, nanosheet particles with cylindrical block copolymer (BCP) arrays are achieved by utilizing collapsed emulsions as a scaffold for BCP self-assembly. Highly elongated structures with large surface areas are formed by employing crystallizable surfactants that significantly reduce the interfacial tension of BCP emulsions.
View Article and Find Full Text PDFRSC Adv
July 2021
The Laboratory of Architectural Environment and Energy Application Engineering, Jiangxi University of Science and Technology Ganzhou 341000 Jiangxi Province China +86-797-8312551 +86-797-8161560.
Two kinds of CA-SA-based ternary phase change materials (PCMs), namely, capric acid-stearic acid-palmitic acid (CA-SA-PA) and capric acid-stearic acid-octadecanol (CA-SA-OD), were prepared by the melting-blending method. By the step cooling curve method, the optimum mass ratio of the two PCMs were determined to be CA : SA : PA = 77.4 : 8.
View Article and Find Full Text PDFJ Oleo Sci
September 2021
Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science.
We characterized the adsorption and desorption of α-gel (α-form hydrated crystal) dispersions in aqueous media using a quartz crystal microbalance with dissipation monitoring (QCM-D) technique. The α-gel was formed from a mixture of N-[3-(dimethylamino)propyl]docosanamide (APA-22) L-lactic acid salt, 1-octadecanol (COH), and water. The solid substrate employed in this study as a model for hair was silica.
View Article and Find Full Text PDFPharmaceutics
November 2020
Department of Chemical Engineering, Soongsil University, Seoul 06978, Korea.
Pharmaceutical eutectics are solid mixtures, where the crystals of active pharmaceutical ingredients (APIs) are finely divided in the phase-separated microstructures. The size reduction makes the eutectic formation a viable option to improve the dissolution rate of the poorly soluble APIs. In the present study, ibuprofen, naproxen, and sorafenib were investigated in terms of their phase behaviors with fatty alcohols, such as tetradecanol, octadecanol, and docosanol.
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