35 results about "Single-walled carbon nanohorn" patented technology

The invention provides a water-soluble carbon composite nano-material for double phototherapy. The composite nano-material is a pi-pi planar conjugated complex formed by single-walled carbon nano-horns or monolayer curl-free graphene and water-soluble phthalocyanine. A preparation method of the water-soluble carbon composite nano-material comprises the following steps (1) dissolving the water-soluble phthalocyanine with secondary water to prepare a 10-15% aqueous solution, adding the single-walled carbon nano-horns or monolayer curl-free graphene accounting for 45-65 percent of the mass of the water-soluble phthalocyanine, and performing ultrasonic treatment for 30-180 minutes by using an ultrasonic device; and (2) centrifuging, carrying out suction filtering, washing and drying the prepared dispersant. The composite material has photo-thermal and photodynamic double treatment effects in the action of an infrared source, so that the efficiency for killing tumor cells can be strengthened; the preparation method is simple and convenient; the one-step ultrasonic method not only can solve the problem of water solubility of single-walled carbon nano-horns or monolayer curl-free graphene, but also enables the photodynamic treatment preparation to be loaded, and the surface characteristics of the carbon composite nano-material cannot be destroyed by adopting non-covalent modification.

The invention discloses a solid state ion selective electrode based on single wall carbon nanohorn electrode and a preparation method thereof. The solid state ion selective electrode comprises an electrode substrate and an ion selective polymer membrane coated at the surface of an electrode substrate, and the electrode substrate is the electrode doping with a single wall carbon nanohorn or havingthe surface modified with a single-walled carbon nanohorn membrane. Compared with an ion selective electrode containing inner-filling liquid, the solid-state ion selective electrode has high sensitivity and selectivity, and can develop in microelectrode direction.

A capillary electrochromatography monolithic column modified with single wall carbon nanohorns is provided. A preparing method of the capillary electrochromatography monolithic column includes mixing the single wall carbon nanohorns with styrene, performing ultrasonic dispersing to obtain a styrene dispersion of the single wall carbon nanohorns, mixing the dispersion with cyclohexanol, adding divinylbenzene, toluene, a radical initiator and 2-acrylamido-2-methylpropane sulfonic acid after ultrasonic dispersing, continuously ultrasonic dispersing, feeding nitrogen to obtain a reaction mixture liquid, introducing the reaction mixture liquid into a preset stationary phase position in a pretreated capillary, sealing ports at two ends of the capillary with silica gel, solidifying at 40-100 DEG C for 2-8 h, and subjecting the capillary to after-treatment to obtain the capillary electrochromatography monolithic column. The single wall carbon nanohorns are applied into the capillary electrochromatography monolithic column for the first time, and a preparing process is simple, few in steps, controllable in reaction conditions and ideal in preparing effects.

The invention discloses a high-zinc layer optical cable stranded wire and a preparation process thereof, specifically relates to the technical field of optical cable stranded wire, including stainless steel wire, a modification liquid and a galvanized base material. The present invention can effectively ensure the performance requirements of high tensile strength and corrosion resistance of the high-zinc layered optical cable strands, and at the same time solve the problem of pitting and rusting of the zinc-layered optical cable strands during long-term use, prolonging the service life; The combination of nano-whiskers, silicon carbide nanowires and single-walled carbon nanohorns can modify the surface of stainless steel wires, which can effectively enhance the performance of stainless steel wires, and then strengthen the bonding effect between the galvanized layer and stainless steel wires. Nitrogen gas is used Applying zinc, the amount of zinc removed is relatively small, and the DV value of the steel wire can be increased, thereby greatly increasing the amount of zinc applied to the steel wire, so that the final product has both tensile strength and corrosion resistance; the use of new bakelite dies effectively guarantees Twisting effect, and prolong the service life of equipment.

The invention discloses a method for preparing a single-wall carbon nanohorn-hollow nanogold compound. The method for preparing the single-wall carbon nanohorn-hollow nanogold compound comprises the steps that single-wall carbon nanohorn powder, water and PDDA are mixed, the single-wall carbon nanohorn powder is made to be dissolved completely through ultrasonic waves, and then a single-wall carbon nanohorn solution is obtained; CoCl2, PVP K30 and water are mixed, the CoCl2 and the PVP K30 are made to be dissolved completely through stirring, a CoCl2 solution is obtained, deoxidization is conducted by introducing nitrogen into the solution, an NaBH4 solution is added dropwise under the stirring condition, CoCl2 reduction is conducted, and then a cobalt solution is obtained; the single-wall carbon nanohorn solution is added to the cobalt solution, an HAuCl4 solution is added after the single-wall carbon nanohorn solution and the cobalt solution are evenly mixed, sediment is collected in a centrifugal mode, washing is conducted, re-suspension is conducted with water, and thus the single-wall carbon nanohorn-hollow nanogold compound is obtained. According to the method for preparing the single-wall carbon nanohorn-hollow nanogold compound, in-situ synthesis of the single-wall carbon nanohorn-hollow nanogold compound is achieved according to a one-step method, the process is simple, the time is short, the yield is high, stripping between components is avoided effectively, and the prepared compound is high in stability, resistant to shock and high in shear resistance, has more binding sites, and is larger in specific surface area and higher in physical adsorption capacity and chemical adsorption capacity.

The invention discloses an electrode modified with single-walled carbon nanohorn-platinum and palladium nano particles and cytomegalovirus pp65 antibody, and a preparation method and an application thereof. The electrode is prepared by the steps of treating single-walled carbon nanohorn dispersed by a perfluorinated sulfonic acid-polytetrafluoroethylene copolymer membrane, then absorbing thionine, and then combining with the single-walled carbon nanohorn-platinum and palladium nano particles, incubating the cytomegalovirus pp65 antibody and finally sealing with horse radish peroxidase (HRP). The prepared electrode is combined with single-walled carbon nanohorn modified with chitosan; since the single-walled carbon nanohorn has large specific surface area and good biocompatiability, after being modified with amino, the single-walled carbon nanohorn is further beneficial to stabilization of platinum and palladium particles, improvement of the combined quantity of the cytomegalovirus pp65 antibody and increase of the peak current value; in addition, the platinum and palladium particles and HRP can catalyze hydrogen peroxide and amplify a detection signal, thus improving the sensitivity of detection on cytomegalovirus antigen with low concentration.

A single walled carbon nanohorn adsorptive material which comprises a single walled carbon nanohorn and a lanthanide metal supported thereon, and has the adsorptivity for methane. The single walled carbon nanohorn adsorptive material can adsorb much methane and is effective as a methane adsorbing material.