4-Cyanoresorcinol derived bent-core molecules with a chiral (S)-2-methylbutoxy chain form liquid crystalline phases with TGBA- and TGBC-like structures at the transition from cybotactic nematic via SmA to SmC phases.
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http://dx.doi.org/10.1039/c5cc01592h | DOI Listing |
J Chem Phys
January 2025
Department of Chemistry, University of Houston, Houston, Texas 77204, USA.
Rubrene is one of the leading organic semiconductors in scientific and industrial research, showing good conductivities and utilities in devices such as organic field-effect transistors. In these applications, the rubrene crystals often contact ionic liquids and other materials. Consequently, their surface properties and interfacial interactions influence the device's performance.
View Article and Find Full Text PDFAdv Mater
January 2025
State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, School of Physics and Optoelectronics, South China University of Technology, Guangzhou, 510641, China.
0D hybrid metal halide (HMH) luminescent glasses have garnered significant attentions for its chemical diversity in optoelectronic applications and it also retains the skeleton connectivity and coordination mode of the crystalline counterparts while exhibiting various physics/chemistry characteristics distinct from the crystalline states. However, understanding of the glass-forming ability and the specific structural origins underpinning the luminescent properties of 0D HMH glasses remains elusive. In this review, it is started from the solid-liquid phase transition and thermodynamic analysis of 0D HMHs formed through melt-quenching, and summarize the current compounds capable of stably forming glassy phases via chemical structural design.
View Article and Find Full Text PDFACS Appl Eng Mater
December 2024
Department of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States.
Carbon-based nanofibers are critical materials with broad applications in industries such as energy, filtration, and biomedical devices. Polyacrylonitrile (PAN) is a primary precursor for carbon nanofibers, but conventional electrospinning techniques typically operate at low production rates of 0.1-1 mL/h from a single spinneret, limiting scalability.
View Article and Find Full Text PDFAdv Sci (Weinh)
December 2024
Institute of Pharmaceutical Sciences, Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich, 8093, Switzerland.
The translation of cell-derived extracellular vesicles (EVs) into biogenic gene delivery systems is limited by relatively inefficient loading strategies. In this work, the loading of various nucleic acids into small EVs via their spontaneous hybridization with preloaded non-lamellar liquid crystalline lipid nanoparticles (LCNPs), forming hybrid EVs (HEVs) is described. It is demonstrated that LCNPs undergo pH-dependent structural transitions from inverse hexagonal (H) phases at pH 5 to more disordered non-lamellar phases, possibly inverse micellar (L) or sponge (L) phases, at pH 7.
View Article and Find Full Text PDFInt J Nanomedicine
December 2024
Department of Pharmaceutical Engineering, Dankook University, Cheonan, South Korea.
Purpose: This study aimed to develop a solid self-nanoemulsifying drug delivery system (SNEDDS) and surface-coated microspheres to improve the oral bioavailability of niclosamide.
Methods: A solubility screening study showed that liquid SNEDDS, prepared using an optimized volume ratio of corn oil, Cremophor RH40, and Tween 80 (20:24:56), formed nanoemulsions with the smallest droplet size. Niclosamide was incorporated into this liquid SNEDDS and spray-dried with calcium silicate to produce solid SNEDDS.
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