The cold gelation of preheated whey protein isolate (WPI) solutions at alkaline conditions (pH>10) has been studied to better understand the effect of NaOH in the formation and destruction of whey protein aggregates and gels. Oscillatory rheology has been used to follow the gelation process, resulting in novel and different gelation profiles with the gelation pH. At low alkaline pH, typical sol...

The control of crystallization of praseodymium barium copper iron oxide, an intermediate temperature solid oxide fuel cell cathode material, has been demonstrated for the first time using a biotemplated sol-gel synthesis technique. The results obtained showed significant improvement in purity, synthesis time, surface area and simplicity over that previously reported.

absorption spectra of the composite sol-gel (blue solid) and pure photochromic sol-gel (black solid). The open-form ∆OD for composite solgel (red dash). The inset is the chemical structure of the composite molecule with donor moiety (bottom red) and acceptor moiety (top blue). (d) The thermally reversing photokinetic measurement of the open-form ∆OD (460nm) of the composite sol-gel, recovering ...

An innovative photoresponsive cerasome is fabricated by sol-gel process in combination of self-assembly technique from a molecularly designed organoalkoxysilylated lipid containing an azobenzene unit, which is able to operate as a "valve" with an "on-off" function under specific stimuli to control the release of loaded guest molecules from the liposomal membrane.

The polycrystalline SrTiO3 thin films were prepared by the sol-gel-hydrothermal method on glass substrates. synthesis pathway was initiated preparing a clear TiO2 solution using sol-gel method. This then deposited substrate dip coating technique, followed transformation of layer into hydrothermal crystal structure, bond interactions, and band gap energy layers characterized X-ray Diffraction (X...

A microfluidic chip that integrates a sol-gel derived affinity column with a microheater is developed. This microchip includes five electric heaters covered with patterned PMMA for individual heat elution from five sol-gels with target molecules. This study is the first to demonstrate the detection of proteinaptamer interactions on the sol-gel microfluidic system and further describes possible ...

Bronchorrhoea sputum separates into two phases--sol and gel--at low speed centrifugation (5000 g), although higher speed (160 000 g) is required to obtain complete separation. Markers of mucus glycoprotein and serum transudate have been estimated in sputum, sol, and gel in five cases of bronchorrhoea associated with chronic bronchitis, asthma, or alveolar cell carcinoma. In all samples markers ...

A dual nanocomposite hydrogel with inorganic hybrid crosslinking was fabricated through a simultaneous sol-gel technique and free radical polymerization. Due to the multi-strengthening mechanism of the dual nanocomposite, the hydrogel was super tough and strong with a compressive stress of 32.00 MPa without rupture even at 100% strain, while it exhibited excellent fatigue resistant properties.

The technique of nuclear magnetic resonance cryoporometry has been used to study the behavior of binary liquid mixtures of water and decane in porous sol-gel silicas. It was observed that the water preferentially adsorbed onto the silica surface and so was able to displace the decane from the pores.