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Continue to access RSC content when you are not at your institution. Follow our step-by-step guide. The structures of the complexes were characterized by elemental analysis, IR, 1 H and 31 P NMR spectroscopy, conductivity, electrochemical and magnetic moment measurements, and single-crystal X-ray diffraction technique. The two nickel II complexes have a square planar geometry containing O, N, and S atoms of the thiosemicarbazone, and the P atom of triphenylphosphine.

The electrochemical behaviors of the thiosemicarbazone ligands and the nickel complexes were studied using cyclic voltammetry and square wave voltammetry. The redox processes of the compounds were significantly influenced by the central metal ions and the nature of the substituents on the thiosemicarbazones, which are the important factors in controlling the redox properties.

In situ spectroelectrochemical studies were employed to determine the colors and spectra of the electro-generated species of the complexes.

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The Neuroprotective Effects of Thymoquinone: A Review

Preparation of propylene carbonate catalyzed by ionic liquid. Efficient synthesis of new 3-aminocyanothiophene derivatives. Salwa E. El-Meligie , Nadia A.


Thymoquinone TQ , one of the main components active of Nigella sativa , exhibited very useful biomedical effects such as anti-inflammatory, antioxidant, antimicrobial, antiparasitic, anticancer, hypoglycemic, antihypertensive, and antiasthmatic effects. There are several studies about pharmacological activities of TQ but its neuroprotection effects are not fully described. The literature search has indicated many studies pertaining to the effects of TQ in neurological problems such as epilepsy, parkinsonism, anxiety, and improvement of learning and memory, and so on. In addition, TQ protected brain cells from various injuries due to its antioxidant, anti-inflammatory, and apoptotic effects in cell line and experimental animal models.

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