RESUMO
A new anthracene-based probe (E)-N'-(1-(anthracen-9-yl)ethylidene)-2-hydroxybenzohydrazide (AHB) has been efficiently synthesized and characterized by various spectroscopic methods. It exhibits extremely selective and sensitive fluorometric sensing of Al3+ ions with a large enhancement in the fluorescent intensity due to the restricted photoinduced electron transfer (PET) mechanism with a chelation-enhanced fluorescence (CHEF) effect. The AHB-Al3+ complex shows a remarkably low limit of detection at 0.498 nM. The binding mechanism has been proposed based on Job's plot, 1H NMR titration, Fourier transform infrared (FT-IR), high-resolution mass spectrometry (HRMS), and density functional theory (DFT) studies. The chemosensor is reusable and reversible in the presence of ctDNA. The practical usability of the fluorosensor has been established by a test strip kit. Further, the therapeutic potential of AHB against Al3+ ion-induced tau protein toxicity has been tested in the eye of Alzheimer's disease (AD) model of Drosophila via metal chelation therapy. AHB shows great therapeutic potential with 53.3% rescue in the eye phenotype. The in vivo interaction study of AHB with Al3+ in the gut tissue of Drosophila confirms its sensing efficiency in the biological environment. A detailed comparison table included evaluates the effectiveness of AHB.
Assuntos
Alumínio , Doença de Alzheimer , Animais , Alumínio/análise , Alumínio/química , Espectroscopia de Infravermelho com Transformada de Fourier , Doença de Alzheimer/tratamento farmacológico , Drosophila , Corantes Fluorescentes/química , Espectrometria de Fluorescência/métodos , AntracenosRESUMO
Background and Objectives Despite the easy acceptability and holistic nature of Kriya yoga, there are no studies evaluating the role of Kriya yoga intervention on depression. The objective of the current study was to assess the feasibility and effect of adjunctive Kriya yoga on depression. Methods Patients with major depressive disorder who opted for Kriya yoga were recruited into the intervention group (adjunctive Kriya yoga) and those on psychotropic medication alone were enrolled into the control group. The Hamilton Depression Rating Scale (HDRS) measurements were recorded at baseline, end of 2, 4, and 8 weeks. Results HDRS scores of the intervention group ( n = 29) were found to be significantly lesser than that of the control group ( n = 52) by the end of 2, 4, and 8 weeks. The remission rate was also significantly greater in the intervention group. Conclusion Kriya yoga intervention was found to be feasible, as well as improved the severity of depression.