Search

Nanourchin VO2 nanostructures have been effectively synthesized by hydrothermal method. The synthesized hierarchical nanostructure has been characterized by various characterization techniques and electrochemical behaviour has been studied. X-ray diffraction analysis revealed the monoclinic phase and morphological analysis (FESEM) of VO2 showed nanourchin-like structure with arrangement of various nanorods in radial fashion. Over these nanorods, formation of secondary growth of asterisk-shape structure was observed. The width and length of nanorods were ~ 50 and ~ 75 nm, respectively. For the electrochemical measurements, 2032 type coin cells were fabricated using VO2 as electrode material. The electrochemical study of VO2 exhibited the pseudocapacitive behaviour with specific capacitance of 44 F g−1 in organic electrolyte with symmetric capacitor of two electrode system. The maximum energy density and power density were 44 and 8635 Wh kg−1, respectively. Cycling performance exhibited symmetric charge–discharge curves, and also specific capacitance was maintained up to 82% of initial value. [ABSTRACT FROM AUTHOR]

Nanourchin VO2 nanostructures have been effectively synthesized by hydrothermal method. The synthesized hierarchical nanostructure has been characterized by various characterization techniques and electrochemical behaviour has been studied. X-ray diffraction analysis revealed the monoclinic phase and morphological analysis (FESEM) of VO2 showed nanourchin-like structure with arrangement of various nanorods in radial fashion. Over these nanorods, formation of secondary growth of asterisk-shape structure was observed. The width and length of nanorods were ~ 50 and ~ 75 nm, respectively. For the electrochemical measurements, 2032 type coin cells were fabricated using VO2 as electrode material. The electrochemical study of VO2 exhibited the pseudocapacitive behaviour with specific capacitance of 44 F g−1 in organic electrolyte with symmetric capacitor of two electrode system. The maximum energy density and power density were 44 and 8635 Wh kg−1, respectively. Cycling performance exhibited symmetric charge–discharge curves, and also specific capacitance was maintained up to 82% of initial value. [ABSTRACT FROM AUTHOR]

Coagulation fractionation techniques have also been developed for transdermal proniosome arrays using various nonionic surfactants. Span-60 proniosome has lower HLB value, longer alkyl chain and higher phase transition temperature, resulting in higher resistance (94.13 ± 4.76). The addition of LDL cholesterol and lecithin also increases the strength of the bilayer.With the Twain method, the vesicle size decreases and increases with delay and recall. Low polydispersity index and high zeta potential were found in the Pronisome preparation. TEM studies confirmed perfectly round vesicles. IR studies have confirmed that there are no drug interactions in the body and that no drug is blocked. The release kinetics of Pronisome was confirmed to be slower than control. Aripiprazole in 30% PEG. Additionally, Span's emission rate is lower than Tween's, which may be due to the lipophilicity of Span and aripiprazole. Release data favor the Higuchi version, which shows that drug release is controlled by diffusion. The transdermal flow of aripiprazole is highest as it passes through the pores and skin of closed excised rats with the Span 60 system. [ABSTRACT FROM AUTHOR]

Niosomes were prepared using thin-film hydration and sonication techniques. For the film hydration method, surfactant, cholesterol, stearylamine (65.0:30.0:5.0 mM), and aripiprazole (2 mg) were dissolved in a mixture of chloroform:ethanol (3:1).The solvent was evaporated in vacuo on a field evaporator to form a thin film. Then hydrate the film with 10 ml of phosphate buffer (pH 7.4) using a stirrer. Surfactant, cholesterol, and stearylamine for sonication method (65.0:30.0:5.0 mM) and aripiprazole (2 mg) were placed in a beaker and 10 mL of phosphate buffer (pH 7.4) was added. I let it sit for 5 hours. A free dispersion (niosome) is synthesized 7 minutes before sonication is required.In the ether injection process, the solution containing the mixture of ether and surfactant slowly enters the aqueous solution (preheated to 60 °C) to evaporate the ether and synthesize the milky pest. Various parameters of the product such as percent encapsulation efficiency, vesicle size, polydispersity index and zeta potential were analyzed and selected as the best method for liposome production according to specification #1. [ABSTRACT FROM AUTHOR]