A novel optical sensor for label-free biomolecular binding assay using a one-dimensional photonic crystal in a total-internal-reflection geometry is proposed and demonstrated. The simple configuration provides a narrow optical resonance to enable sensitive measurements of molecular binding, and at the same time employs an open interface to enable real-time measurements of binding dynamics. Ultr...

Glutaraldehyde is a water-soluble liquid with high bactericidal, sporicidal, fungicidal and viricidal activity. It does not cross-react with formaldehyde. Glutaraldehyde solution is an underutilized gem for treating recalcitrant palmar, plantar and periungual warts. It has also been utilized for plantar hyperhidrosis with moderate success, for pitted keratolysis and the predisposing factor of h...

Raw-starch-digesting enzyme (RSDA) was immobilized on Amberlite beads by conjugation of glutaraldehyde/ polyglutaraldehyde (PG)-activated beads or by crosslinking. The effect of immobilization on enzyme stability and catalytic efficiency was evaluated. Immobilization conditions greatly influenced the immobilization efficiency. Optimum pH values shifted from pH 5 to 6 for spontaneous crosslinkin...

tissue engineering is defined as the designing and engineering of structures to rebuild and repair a body damaged tissue. scaffolding poly hydroxy butyrate valraty (phbv) has shown good biocompatibility and biodegradable properties. nanofibers have improved the performance of biomaterials, and could be considered effective. one of the important methods for designing nanofiber scaffold is the el...

Based on extensive laboratory studies to date, glutaraldehyde is not classified as a teratogen, an in vivo mutagen, or carcinogen. Several laboratory studies have shown that glutaraldehyde does not produce reproductive, teratogenic, embrofetal, or carcinogenic effects. Glutaraldehyde induces genotoxicity in some in vitro assays; however, the weight of evidence indicates glutaraldehyde is not an...

The purpose of this research was to measure the. systemic absorption and distribution of glutaraldehyde from pulpotomy sites in dogs. Pulpotomies were performed on the incisors and canines of 5 mongrel dogs. A cotton pellet containing 20 ~1 of 2.5% "4C-(1,5) glutaraldehyde with an activity 6.25 x 105 dpm/~l was placed in each pulpotomy site for 5 rain. Whole blood samples, urine, and expired ai...