57results about How to "Good sensitization effect" patented technology

A multiphoton absorption functional material including one of: fine particles of metal, and fine particles partly coated with the metal, the metal generating enhanced surface plasmon field on a metal surface, wherein the fine particles or the fine particles partly coated with the metal are dispersed in a multiphoton absorption material, and wherein the multiphoton absorption functional material is a bulk body.

The invention relates to the novel usage of an antimalarial medicine, in particular to the novel usage of hydroxychloroquine having sensitivity enhancing effect on various chemical anti-multiple myeloma medicaments. The novel usage is characterized in the application of hydroxychloroquine in treatment of multiple myeloma through chemotherapeutic medicaments. The hydroxychloroquine can obviously enhance the killing activity of chemotherapeutic medicines such as doxorubicine, epidoxorubicin, cis-platinum and mitoxantrone to multiple myeloma cells, and the killing activity thereof is realized by inhibiting the myeloma cell autophagy signals by hydroxychloroquine. Hydroxychloroquine can induce the quantity of the autophagy lysosomes of the multiple myeloma cells to be increased and the expression of the autophagy-associated albumen LC3-II to be increased.

The invention relates to synthesis of siloxane containing nitrile group and vinyl group at same time and a preparation method of room-temperature addition type nitrile silicone rubber. The siloxane containing the nitrile group and the vinyl group is prepared from the siloxane containing amino group and the vinyl group at the same time, and a vinyl-group-containing compound with unsaturated bonds through an addition reaction of the amino group and the double bonds; the synthesized siloxane containing the nitrile group and the vinyl group at same time is used for preparing the room-temperature addition type nitrile silicone rubber. The synthesis method is simple and controllable, and high in synthesis efficiency. The synthesized siloxane containing the nitrile group and the vinyl group at same time contains the vinyl group so that the polarity and the dissolvability parameters of the siloxane are improved; the room-temperature addition type nitrile silicone rubber prepared from the siloxane containing the nitrile group has a property of resisting solvent oil and can be widely applied to various oil-resisting and low-temperature-resisting fields.

The invention discloses an electrochemical sensor for rapidly measuring carmine and citrine. The electrochemical sensor at least comprises a carbon paste electrode, wherein the carbon paste electrode comprises a casing and a copper bar, and a cavity is formed in the front end of the casing and filled with carbon paste. The invention further provides a preparing method of the sensor. The preparing method comprises the following steps: S1, dissolving Al(NO3)3.9H2O in secondary water, then adding urea, transferring an obtained solution into a hydrothermal reactor, putting in an oven to react, washing and suction-filtering solids obtained by reaction with the secondary water, drying in the oven, then putting in a muffle furnace and forging to obtain an aluminum oxide material; S2, uniformly mixing the aluminum oxide material, graphite powder and paroline oil to obtain the carbon paste, then pressing the carbon paste into a cavity at the front end of the casing, and abrading and polishing on weighing paper to make the electrochemical sensor for rapidly measuring carmine and citrine. The made electrochemical sensor is simple and convenient to operate, has great environment-friendliness and high flexibility, does not require long-time enrichment and meets the requirements of rapid detection.

The invention provides a Bi-Nd-Yb co-doped YAG high-efficiency and wide-spectrum quantum cutting luminescent material. A composition general formula of the luminescent material is Y3Al5O12:xBi<3+>, yNd<3+>, zYb<3+>, wherein x is greater than or equal to 0.5*10<-2> and less than or equal to 1*10<-2>, y is greater than or equal to 0.5*10<-2> and less than or equal to 2*10<-2> and z is greater than or equal to 1*10<-2> and less than or equal to 10*10<-2>. According to the Bi-Nd-Yb co-doped YAG high-efficiency and wide-spectrum quantum cutting luminescent material provided by the invention, Nd<3+>-Yb<3+> co-doping belongs to two-step energy transmission and has relatively high energy conversion efficiency; Bi<3+> in the luminescent material can be used for effectively expanding an absorption section of Nd<3+> through a sensitization effect; sunlight is subjected to broadband absorption so that high-efficiency and wide-spectrum conversion type near-infrared quantum cutting is realized; finally, the sunlight is sufficiently utilized and the conversion efficiency of a crystalline silicon solar cell is improved.

The invention relates to synthesis of nitrile-containing siloxane and a preparation method of room temperature condensation type nitrile silicone rubber. The nitrile-containing siloxane is obtained by amino-containing siloxane and a nitrile-containing compound containing an unsaturated bond through an addition reaction of amino and double bond, and further the synthetized nitrile-containing siloxane is used to prepare the room temperature condensation type nitrile silicone rubber. A synthesis method is simple and controllable, the synthesis efficiency is high, and the synthetized nitrile-containing siloxane contains nitrile groups and thus changes the polarity and a solubility parameter of siloxane; the room temperature condensation type nitrile silicone rubber prepared by using the nitrile-containing siloxane has the property of resisting solvent oil, and can be widely applied to various oil-resisting and low temperature-resisting places.

The invention discloses an anticancer composition and application of the anticancer composition to preparation of drugs. The anticancer composition comprises silybin and chemotherapeutic drugs. Test results show that the combined application of silybin and chemotherapeutic drugs to preparation of drugs for resisting human ovarian cancer drug-resistant cells is capable of effectively improving thesensibility of the human ovarian cancer drug-resistant cells to the chemotherapeutic drugs and reducing hepatotoxicity induced by the chemotherapeutic drugs.

The invention discloses a high-sensitivity fiber grating electric field sensor. The high-sensitivity fiber grating electric field sensor comprises an upper metal hemisphere and a lower metal hemisphere; a sensitization amplification mechanism, an optical fiber and an insulating plate are arranged between the upper and lower metal hemispheres; through the two metal hemispheres, electric field signals are sensed; and the design of the sensitization amplification mechanism uses an inverse piezoelectric effect and amplification type sensitization combined method, so that the sensitization effect is more obvious. Voltage signals are transferred to the sensitization amplification mechanism through a lead, so that the sensitization amplification mechanism deforms mechanically; through amplification of the sensitization amplification mechanism, a relatively large deformation amount is output and acts on the optical fiber, so that the central wavelength of the optical fiber changes; and throughdetecting wavelength drift distance, to-be-detected electric field intensity is obtained. The fiber grating sensor is remarkably in sensitization effect, small in volume, wide in application range and suitable for micro strain measurement of structures.

The invention discloses a preparation method of erbium silicate with the sensitization effect. The preparation method comprises steps as follows: porous silicon is rotationally coated with a solution obtained by dissolving an erbium soluble compound in a solvent until the rotational coating quantity reaches (4.44*10<-3>)-(8.89*10<-2>)ml/cm <2>, and after drying, erbium silicate with the sensitization effect is obtained through two steps of heat treatment sequentially. The prepared erbium silicate adopts a core-shell structure comprising a nano-silicon pillar and single-layer erbium silicate covering the surface of the nano-silicon pillar, has the better sensitization effect, can illuminate better under the off-resonance exciting light, and can be applied to the fields of silica-based photoelectricity integration, photo-communication and the like.

The invention discloses a lifting system gear shaft torque monitoring device and a gear shaft. The device comprises torque transmission tubes, strain measurement tubes, measurement fiber bragg gratings, transmission optical fibers, a rotary connector, a demodulator and a terminal, the strain measurement tubes are connected between the two adjacent torque transmission tubes, the measurement fiber bragg gratings are attached to the outer walls of the strain measurement tubes, a connecting hole is formed in each strain measurement tube, one ends of the transmission optical fibers penetrate through the connecting holes to be connected with the measuring fiber bragg gratings, the other ends of the transmission optical fibers penetrate through the torque transmission tubes to be connected with the rotary connector, the rotary connector is in data connection with the demodulator, and the demodulator is in data connection with the terminal; and the outer diameter of the torque transmission tubes is more than the outer diameter of the strain measurement tubes. According to the scheme, the torque of the climbing gear shaft can be accurately detected in real time, so that whether loads borne by all transmission devices are balanced or not can be effectively reflected, overload caused by deformation or other reasons of individual lifting systems can be found in time, and accidents are avoided.

The invention relates to the technical field of glass fiber production and discloses a technology for plating the surface of glass fiber with a metal layer. The technology needs a device for plating the surface of the glass fiber with the metal layer. The technology comprises the following steps of (1) conducting purifying, wherein heat treatment at the temperature of 205-255 DEG C is conducted onthe glass fiber; (2) conducting coarsening, wherein the glass fiber obtained after oil removal in the step (1) is placed in a coarsening solution, the temperature of the coarsening solution is raisedto 30-40 DEG C, and dipping is conducted for 4-7 min under the condition of keeping the temperature; (3) conducting cleaning, wherein the coarsened glass fiber is flushed with water, so that remaining coarsening liquid on the surface of the glass fiber is removed; (4) conducting sensitizing, wherein the glass fiber washed in the step (3) is placed in a sensitizing solution for sensitizing treatment at the room temperature; (5) conducting activation, wherein the sensitized glass fiber in the step (4) is directly placed in an activation solution, stirring is performed for 3-5 h, and then standing is performed for 1-2 h; (6) conducting cleaning; and (7) conducting drying. The technology for plating the surface of the glass fiber with the metal layer improves layer plating efficiency and safety.

The invention relates to the technical field of traditional Chinese medicines and in particular discloses a rhizoma anemarrhenae effective part as well as a preparation method and application thereof. The rhizoma anemarrhenae effective part mainly contains rhizoma anemarrhenae total saponins, and main ingredients of the rhizoma anemarrhenae total saponins are rhizoma anemarrhenae saponin BII, rhizoma anemarrhenae saponin BIII and a rhizoma anemarrhenae saponin BIII isomer. Experimental results show that the rhizoma anemarrhenae effective part can obviously improve the sugar tolerance of a diabetic rat at different time points, enhance the insulin sensitivity of a type-II diabetic rat and improve the hyperlipidemia state of the type-II diabetic rat.