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In this paper we report the development of a family of polymerizable urea derivatives that are gelators for organic solvents. The design involves amino-acid-based urea derivatives containing methacrylate functional groups. Several of the bis-ureas show excellent gelation properties in a variety of organic solvents at very low concentrations (1.5 mM). The(More)
We report here the design, synthesis, and antibacterial activities of novel classes of compounds containing chiral 1,3-oxazinan-2-ones and oxazolidinones as the basic core structures. These compounds are tertiary amines containing the core structures and two aryl substituents. Several of these molecules exhibit potent antibacterial activities against the(More)
Mitogen-activated protein kinase 1 (MAPK1) acts as an integration point for multiple biochemical signals, and is involved in a wide variety of biological processes such as cell proliferation and differentiation, transcription regulation, and development. Mitogen-activated protein kinase 1 plays an important role in inducing cell death in bacterial(More)
Diacetylene-containing glycolipids are interesting molecules that have many potential applications. The polydiacetylenes formed by the cross-linking of the diacetylene lipids are new stimuli-responsive materials. In particular, diacetylene lipids that can form gels in aqueous solution are of great interest in designing functional biocompatible materials. We(More)
Sugar-based low-molecular-weight gelators are an interesting new class of compounds that are important in supramolecular chemistry and for the preparation of advanced materials. Previously, we synthesized a series of ester and carbamate derivatives of 4,6-O-benzylidene methyl-alpha-D-glucopyranoside and found that monosubstituted alkynyl esters with five to(More)
Mammalian cells respond to various environmental stressors to form stress granules (SGs) by arresting cytoplasmic mRNA, protein translation element, and RNA binding proteins. Virus-induced SGs function in different ways, depending on the species of virus; however, the mechanism of SG regulation of virus replication is not well understood. In this study,(More)
Numerical creep analyses on rock salt surrounding repository for high level waste (HLW) are carried out using the software FLAC3D. The results show that the cavity tends to be self-sealed. After near 600 years, the repository space is nearly fully closed and HLW can be kept tightly sealed. Therefore, it is very favorable to build safe repositories for(More)