Abstract: Provided is a fluorescent labeling material, including zinc oxide nanoparticles each surface-modified with an organic compound having an amino group placed at an outer end thereof. Also provided is a fluorescent labeling agent to be used in vivo or in vitro, including the fluorescent labeling material, in which: EDC or the like is bound thereto through the amino group; and a substance capable of selectively binding to a target to be fluorescently labeled, such as an antibody, is linked thereto.

Abstract: A bidirectional DC-DC converter includes a series circuit of a first winding of a first reactor, a second reactor, and a first switch connected to both ends of a first DC power source, a series circuit of a second switch and a second DC power source connected to both ends of the first switch, a series circuit of a second winding of the first reactor, a third reactor, a first selector switch, and a first diode connected to both ends of a series circuit of the second reactor and the first switch, a series circuit of a second selector switch, a second diode, and the second DC power source connected to both ends of a series circuit of the first selector switch and first diode, and a controller turning on/off the switches and the selector switches.

Abstract: A modulating light having a wavelength of 600 nm to 1000 nm excluding a range of 870 nm to 910 nm is irradiated to a portion around hair roots such that a light absorptive component existing in a human body around the hair roots absorbs the light for modulating hair growth. The light having the wavelength in the above range enhances hair growth free from causing inflammation, yet safely and gentle to skin.

Abstract: The present invention includes: a main switch Tr1 connected to two ends of a DC power supply Vi via a first primary winding 1a and a second primary winding 1b, connected to the first primary winding in series, of a transformer T1; a series circuit connected to the two ends of the main switch, and including a reactor L1, a diode D1, a smoothing capacitor Co and a hoist winding 1c connected to the second primary winding in series; a series circuit connected to the two ends of the main switch, and including a diode D2, a diode D3 and the smoothing capacitor; a control circuit 10 to turn on and off the main switch; a soft-switching circuit Da1, Tra1, La1, Ca1 to cause the main switch to perform a soft-switching operation each time the main switch turns on; and a switching control circuit 20 to switch the soft-switching circuit between operating and non-operating modes in accordance with the state of a load.

Abstract: A modulating light having a wavelength of 400 nm to 600 nm is irradiated to a portion around hair roots at an energy of 0.01 J/cm2 to 1 J/cm2 over a time period of not more than 1 ms as a flash light such that a light absorptive component existing in a human body around the hair roots absorbs the light for modulating hair growth without causing substantial adverse effect.

Abstract: In order to achieve an object to reduce a surge voltage and suppress noise generation, the present invention provides a DC-DC converter with a snubber circuit, which boosts a voltage Vi of a DC power supply. The snubber circuit includes: a series circuit connected to both ends of a smoothing capacitor Co and including a snubber capacitor Cs and a snubber resistor Rs; a snubber diode Ds1 connected to a node at which the snubber capacitor Cs and the snubber resistor Rs are connected, and to a node at which a reactor Lr1 and an additional winding 1b of a transformer T1 are connected; and a snubber diode Ds2 connected to the node at which the snubber capacitor Cs and the snubber resistor Rs are connected, and to a node at which a reactor Lr2 and an additional winding 2b of a transformer T2 are connected.

Abstract: A resonant power conversion apparatus includes a transformer T1 having a primary winding n1, a secondary winding n2, a tertiary winding n3, and a reset winding nR, a series circuit of switches S1 and S2, a capacitor Cr1 and diode D1 to the switch S1, a capacitor Cr2 and diode D2 to the switch S2, a series circuit of the winding n1 and a diode Dn1, a series circuit of the winding nR and a diode DR, a reactor Lr connected between a connection point of the switches S1 and S2 and a connection point of the windings n2 and n3, a switch S10 connected between the DC power source and the winding n2, a switch S20 connected between the DC power source and the winding n3, and a controller 10 configured to perform a zero-voltage switching operation of the switches S1 and S2.

Abstract: A device 1a for bonding adherends T1 and T2, as a device for bonding biological tissue to biological tissue or a biological tissue bonding material, comprises: a clamping part 2a for clamping the adherends T1 and T2 between members 21a and 22a; a pressing part 3a for pressing the member 22a towards the member 21a; a pressure control part 4a for controlling the pressure by the pressing part 3a; a heating element 5a built into the member 21a; a heating control part 6a for controlling the heating by the heating element 5a; a vibration generating part 7a for generating microvibration; and a vibration control part 8a for controlling the microvibration generated by the vibration generating part 7a.

Abstract: The present invention includes: a main switch Tr1 connected to two ends of a DC power supply Vi via a first primary winding 1a and a second primary winding 1b, connected to the first primary winding in series, of a transformer T1; a series circuit connected to the two ends of the main switch, and including a reactor L1, a diode D1, a smoothing capacitor Co and a hoist winding 1c connected to the second primary winding in series; a series circuit connected to the two ends of the main switch, and including a diode D2, a diode D3 and the smoothing capacitor; a control circuit 10 to turn on and off the main switch; a soft-switching circuit Da1, Tra1, La1, Ca1 to cause the main switch to perform a soft-switching operation each time the main switch turns on; and a switching control circuit 20 to switch the soft-switching circuit between operating and non-operating modes in accordance with the state of a load.

Abstract: Provided is a fluorescent labeling material, including zinc oxide nanoparticles each surface-modified with an organic compound having an amino group placed at an outer end thereof. Also provided is a fluorescent labeling agent to be used in vivo or in vitro, including the fluorescent labeling material, in which: EDC or the like is bound thereto through the amino group; and a substance capable of selectively binding to a target to be fluorescently labeled, such as an antibody, is linked thereto.

Abstract: Disclosed is use of zinc oxide nanoparticles as an exciton emission source in vivo or in vitro. Also disclosed is a fluorescent labeling agent comprising a zinc oxide nanoparticle and a substance capable of selectively binding to a target in vivo or in vitro, wherein the substance is bound to the zinc oxide nanoparticle via at least one binder. Further disclosed is a fluorescent labeling agent comprising a zinc oxide nanoparticle of which the surface is coated with a coating film selected from ZnS, MgxZn1-xO (where 0<x?1) and SiO2, and a substance capable of selectively binding to a target in vivo or in vitro, wherein the substance is bound to the zinc oxide nanoparticle via at least one binder.

Abstract: In order to achieve an object to reduce a surge voltage and suppress noise generation, the present invention provides a DC-DC converter with a snubber circuit, which boosts a voltage Vi of a DC power supply. The snubber circuit includes: a series circuit connected to both ends of a smoothing capacitor Co and including a snubber capacitor Cs and a snubber resistor Rs; a snubber diode Ds1 connected to a node at which the snubber capacitor Cs and the snubber resistor Rs are connected, and to a node at which a reactor Lr1 and an additional winding 1b of a transformer T1 are connected; and a snubber diode Ds2 connected to the node at which the snubber capacitor Cs and the snubber resistor Rs are connected, and to a node at which a reactor Lr2 and an additional winding 2b of a transformer T2 are connected.

Abstract: A resonant power conversion apparatus includes a transformer T1 having a primary winding n1, a secondary winding n2, a tertiary winding n3, and a reset winding nR, a series circuit of switches S1 and S2, a capacitor Cr1 and diode D1 to the switch S1, a capacitor Cr2 and diode D2 to the switch S2, a series circuit of the winding n1 and a diode Dn1, a series circuit of the winding nR and a diode DR, a reactor Lr connected between a connection point of the switches S1 and S2 and a connection point of the windings n2 and n3, a switch S10 connected between the DC power source and the winding n2, a switch S20 connected between the DC power source and the winding n3, and a controller 10 configured to perform a zero-voltage switching operation of the switches S1 and S2.

Abstract: A neuronal differentiation promoting agent for neural stem cells comprising, as an active ingredient, at least one member selected from the group consisting of ?-3 unsaturated fatty acids and ?-6 unsaturated fatty acids having 18 to 22 carbon atoms, and derivatives thereof. The agent can be used for induction of differentiation of neural stem cells and is useful for treating and/or preventing a variety of neurological diseases, and in the fields of nerve transplantation and/or regenerative medicine for nerves.

Abstract: A plant which expresses a large amount of ubiquinone-10 and a method for producing ubiquinone-10 using the plant are provided. A dietary supplement, a food and a food additive which contains ubiquinone-10 produced by the plant or the method are provided. The plant is produced by transformation using an expression cassette in which a decaprenyl diphosphate synthase gene is operatively linked with a mitochondrial targeting sequence.

Abstract: A device 1a for bonding adherends T1 and T2, as a device for bonding biological tissue to biological tissue or a biological tissue bonding material, comprises: a clamping part 2a for clamping the adherends T1 and T2 between members 21a and 22a; a pressing part 3a for pressing the member 22a towards the member 21a; a pressure control part 4a for controlling the pressure by the pressing part 3a; a heating element 5a built into the member 21a; a heating control part 6a for controlling the heating by the heating element 5a; a vibration generating part 7a for generating microvibration; and a vibration control part 8a for controlling the microvibration generated by the vibration generating part 7a.