curcumin and acrylic-acid

Dual temperature- and pH-sensitive materials used as drug carriers have attracted a particularly high level of interest. However, it is limited by low sensitivity to changes in conditions because of large size and low specific surface area. In this work, novel dual temperature- and pH-sensitive poly(N-isopropylacrylamide-N-methylolacrylamide acrylic acid) (PNIPAm-NMA-AAc) ultrafine fibres were successfully prepared by radical copolymerisation, electrospinning and thermal chemical treatment. The PNIPAm-NMA-AAc ultrafine fibres were characterized by Fourier transform infrared (FTIR), proton nuclear magnetic resonance (

Topics: Acrylamides; Acrylates; Acrylic Resins; Curcumin; Delayed-Action Preparations; HCT116 Cells; Humans; Hydrogen-Ion Concentration; Microscopy, Electron, Scanning; Proton Magnetic Resonance Spectroscopy; Spectroscopy, Fourier Transform Infrared; Temperature

A novel series of feruloyl-donepezil hybrid compounds were designed, synthesized and evaluated as multitarget drug candidates for the treatment of Alzheimer's Disease (AD). In vitro results revealed potent acetylcholinesterase (AChE) inhibitory activity for some of these compounds and all of them showed moderate antioxidant properties. Compounds 12a, 12b and 12c were the most potent AChE inhibitors, highlighting 12a with IC

Topics: Acrylates; Alzheimer Disease; Animals; Anti-Inflammatory Agents; Antioxidants; Cell Line; Cells, Cultured; Cholinesterase Inhibitors; Donepezil; Drug Design; Humans; Indans; Male; Mice; Molecular Docking Simulation; Molecular Targeted Therapy; Neurons; Neuroprotective Agents; Piperidines; Structure-Activity Relationship

Curcumin has recently gained interest for use in drug delivery, chemical sensing, and environmental applications. As a result, the development of synthesis strategies for the incorporation of curcumin into novel materials has become a priority. One such strategy, curcumin acrylation, involves the introduction of acrylate functional groups to the curcumin scaffold, with the potential generation of mono-, di-, and triacrylate curcumin species. The relative populations of these species in the resulting multiacrylate mixture can be controlled by the ratio of curcumin to acryloyl chloride in the initial reaction formulation. Characterization of the acrylation reaction and the resulting curcumin multiacrylate product is essential for the effective preparation of new curcumin-containing materials. In this work, a synthesis method for curcumin acrylation is presented and the resulting curcumin multiacrylate product is characterized via various techniques, i.e., HPLC, LCMS, and NMR, as a basis to establish the relationship between synthesis conditions and the extent of acrylation that is achieved.

Topics: Acrylates; Chromatography, High Pressure Liquid; Curcumin; Drug Delivery Systems; Molecular Structure; Nuclear Magnetic Resonance, Biomolecular