The objective of this study is to develop an efficient, easily recoverable membrane-based photocatalyst for removing organic pollutants from aqueous solutions. This study documents the effective synthesis of a novel composite photocatalyst comprising WO/g-CN(WCN) loaded onto cellulose acetate (CA). The physicochemical properties of the synthesized nanocomposites were validated using a range of techniques, including Fourier transform infrared spectroscopy, x-ray diffraction, scanning electron microscopy (SEM), energy-dispersive x-ray spectroscopy, and UV-visible diffuse reflectance spectroscopy.
View Article and Find Full Text PDFIn this study, cubic spinel structured CuCoO (Copper cobaltite) nanospheres were fabricated by thermal decomposition method. The visible light degradation of organic contaminant methyl orange (MO) was focused in this study using the synthesized pure CuO, CoO and CuCoO with different weight ratios of raw materials (90:10, 75:25 and 50:50). It could be well realized that after the characterization techniques, the synthesized CuCoO materials resembled cubic spinel structure as confirmed by X-ray diffraction (XRD) investigation.
View Article and Find Full Text PDFIn recent years, seaweeds drew the intense attention of the researchers owing their biological properties with their multi assorted applications to the humans. Red seaweeds are well-known for their biological activities due to enrichment of phenolic residues. The present investigation deals with the portrayal of biological behavior of red algae G and .
View Article and Find Full Text PDFMolecular docking is a bioinformatics tool used to study and analyse ligand receptor interactions. This helps in identifying the receptors (molecular targets) for different ligands. Using these technologies, compound isolation and drug discovery from herbals is achieved.
View Article and Find Full Text PDFLuteolin, a flavonoid present in leaves and stems of many plants finds mention in literature for beneficial effects on eyes. Presently, no reports are available on the in vivo anticataractogenic effect of luteolin. The current study was designed to evaluate the efficacy of luteolin on selenite-induced cataract models in vivo.
View Article and Find Full Text PDFSpectrochim Acta A Mol Biomol Spectrosc
March 2015
Single crystals of guanidinium 4-nitrobenzoate (GPNB) have been grown by slow evaporation method. Grown crystals were characterized by FT-IR, FT-Raman, UV-Vis absorption and UV-Vis transmission spectroscopies. Crystal defects and surface morphology were studied by etching method.
View Article and Find Full Text PDFSpectrochim Acta A Mol Biomol Spectrosc
April 2014
Single crystal of l-tartaric acid (LTA) has been grown by slow evaporation technique. The experimental and theoretical studies on molecular structure, vibrational spectra, electronic absorption spectra and non-linear optical property of the crystal are studied. The FT-IR, FT-Raman and UV-Vis-NIR experimental spectra of LTA crystal have been recorded in the range 400-4000cm(-1), 100-3700cm(-1) and 190-1100nm, respectively.
View Article and Find Full Text PDFThis study was designed to investigate whether robinin administration modulates toll-like receptor (TLR) and nuclear factor-kappa B (NF-κB) signaling pathway in oxidized LDL induced human peripheral blood mononuclear cells (hPBMCs). The hPBMCs were isolated from healthy human volunteers and the cells were cultured in collagen coated plates at 37°C with 5% CO2 and RPMI as culture medium and were grouped as follows: Group I - control, group II - OxLDL treated and group III - OxLDL+robinin (6μg/ml). We measured mRNA expression of TLR2 and TLR4 by reverse-transcriptase polymerase chain reaction (RT-PCR) and NF-κB transcription factor assay (ELISA), and western blotting studies were done for knowing expression of monocyte chemotactic protein-1 (MCP 1), tumor necrosis factor-alpha (TNF-α) interleukin-6 (IL-6) and vascular cell adhesion molecule 1 (VCAM-1).
View Article and Find Full Text PDFGraefes Arch Clin Exp Ophthalmol
July 2013
Background: Cataract, the leading cause of blindness, is associated with oxidative damage and protein modification in the lens. The present study was carried out to assess the efficacy of rutin on rat-lens crystallins in selenite-induced in-vivo cataract models.
Methods: Eight-day-old Sprague-Dawley rat pups were grouped as control (G I), experimental (G II) and rutin-treated (G III).
In this study, curcumin derivatives salicylidenecurcumin (CD1) and benzalidenecurcumin (CD2)] were prepared, and their biological activity was compared in in vitro selenite-induced cataract model. The antioxidant activity was studied using DPPH radical scavenging assay. Knoevenagel condensates of curcumin exhibited higher DPPH radical scavenging activity compared with curcumin.
View Article and Find Full Text PDFFree radical mediated oxidative stress plays a crucial role in the pathogenesis of cataract and the present study was to determine the efficacy of luteolin in preventing selenite induced oxidative stress and cataractogenesis in vitro. Luteolin is a bioactive flavonoid, isolated and characterized from the leaves of Vitex negundo. Lenses were extracted from Sprague-Dawley strain rats and were organ cultured in DMEM medium.
View Article and Find Full Text PDFAsian Pac J Trop Med
August 2011
Objective: To investigate the analgesic and anti-inflammatory activities of ethanol extract of Passiflora foetida (P. foetida) leaves.
Methods: Ethanol extract of P.
Purpose: Cataract is the leading cause of blindness and is associated with oxidative damage and protein modification in the lens. In the present study, we have employed proteomic and microscopic approaches to investigate the attenuation of selenite cataract by the flavonoids from Vitex negundo (FVN).
Methods: To demonstrate this attenuation, Sprague-Dawley rat pups were divided into control (G I), selenite induced (G II), and selenite + FVN treated (G III).
Graefes Arch Clin Exp Ophthalmol
May 2011
Purpose: Recent evidence suggests that oxidative stress plays a significant role in the development of cataract. The present study sought to evaluate the efficacy of flavonoid fraction of Vitex negundo (FVN) in preventing the toxicity induced by sodium selenite in vitro culture condition.
Methods: Enucleated rat lenses were maintained in organ culture containing DMEM medium alone (G I), supplemented with 0.
J Ocul Pharmacol Ther
October 2010
Purpose: The aim of this study was to investigate the protective effects of the flavonoid fraction of Moringa oleifera leaves (FMO) on selenite cataract in vivo.
Methods: Rat pups of Sprague-Dawley strain initially weighing 10–12 g on day 8 were used for the study and grouped as control (G I), selenite induced (G II), and FMO treated (G III). The rat pups in G II and G III received a single subcutaneous injection of sodium selenite (4 µg/g body weight) on day 10 and G III was administered with FMO (2.
Oxidative stress has long been recognized as an important mediator in the pathogenesis of cataract and the goal of this study was to determine the efficacy of isorhamnetin-3-glucoside (IR3G) in alleviating the toxicity induced by sodium selenite in in vitro culture condition. IR3G is the bioactive flavonoid isolated and characterized from the leaves of Cochlospermum religiosum. Enucleated rat lenses were maintained in organ culture containing M-199 medium alone (G-I), supplemented with 0.
View Article and Find Full Text PDFBiol Trace Elem Res
December 2010
Recently, much interest has been generated in the search for phytochemical therapeutics, as they are largely free from adverse side effects and economical. The goal of this study was to determine the efficacy of Vitex negundo in modulating the selenite-induced oxidative stress in vivo model. Sprague-Dawley rat pups of 8 days old were used for the study and divided into control (G I), selenite induced (G II), and selenite + V.
View Article and Find Full Text PDFPurpose: To study the efficacy of Brassica oleracea var. italica (Broccoli) in the prevention of selenite induced biochemical changes and the incidence of cataractogenesis in vivo.
Methods: Eight day old Sprague-Dawley rat pups were divided into four groups: I-Control; II-Sodium selenite (4 mg/kg body weight) administered; III-Sodium selenite + quercetin; and IV-Sodium selenite + flavonoid fraction of broccoli (FFB).
Recent investigations have shown that phytochemical antioxidants can scavenge free radicals and prevent various diseases. Cataract is the leading cause of blindness and is associated with oxidative damage of the lens. Selenite-induced cataract in rat pups is an excellent mimic of oxidative stress-induced cataract.
View Article and Find Full Text PDFUtilization of horse gram and its flour in legume composite flours and products is limited due to the presence of antinutritional components, poor functional and expansion properties. Enzymatic treatment was used to improve the expansion and functional properties of horse gram to facilitate its use as an ingredient in food processing. Xylanase-mediated depolymerization of cell wall polysaccharides of horse gram lead to the development of a new expanded/popped horse gram.
View Article and Find Full Text PDFExtracellular proteins of Streptomyces peucetius that bind to a red pigment were identified during the course of isolation of mutants defective in daunorubicin production. Two pigment-protein complexes were partially purified and this complex inhibited the growth of Bacillus subtilis. Routine solvent extraction could not separate the pigment from purified pigment-protein complex.
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