12results about "Individual molecule manipulation" patented technology

Materials for use in a 3D printer, including: several metal particles with an average cross-sectional length of less than or equal to 100 nm; and a stabilizing material comprising an organoamine, carboxylic acid, thiol and derivatives thereof, xanthogenic acid, polyethylene glycols, polyvinylpyridine, polyvinylpyrrolidone or a combination thereof; the metal particles and the stabilizing material agglomerate to form particles with an average cross-sectional length of about 1 µm to about 250 µm.

A quantum dot having a narrow fluorescence half-width and a high fluorescence quantum yield has a core-shell structure including a core formed from ZnSe or ZnSeTe, and a shell that covers the core and is formed from ZnS, wherein a particle diameter of the quantum dot is 5 nm or more and 20 nm or less, and wherein a surface of the core-shell structure is modified with a zinc halide. The quantum dot has a fluorescence quantum yield of 75% or more and a fluorescence half-width of 25 nm or less. The fluorescence lifetime can be made 50 ns or less.

The invention provides a chemiresistive substrate for a dihydrogen-sensitive amperometric gas sensor, the chemiresistive substrate comprising: a crystalline semiconductive metal oxide layer comprising an array of spaced apart hollow metal oxide micro-shells protruding from a base plane of the metal oxide layer; and metallic nanoparticles decorating the metal oxide layer.

A structure according to one embodiment of the present disclosure is formed by accumulating structural units in which a plurality of nanoparticles are connected like a string of beads, wherein a solution in which the structure is dissolved using tetrahydrofuran as a solvent, when centrifuged for 10 minutes under conditions in which the minimum rotation radius is 8.5 cm, the maximum rotation radius is 23.2 cm, and the angular velocity is 10,000 rpm, generates not more than 1.0 wt% of a sedimentation component.

Metal nanoparticles may be grown under conditions that promote formation of platelet nanoparticles having a surfactant coating thereon. Such conditions may include slow metal salt reduction and slow cooling following metal nanoparticle formation. The platelet nanoparticles have a fusion temperature significantly below the melting point of the corresponding bulk metal and form robust structures upon undergoing consolidation with one another. Compositions may comprise a plurality of metal nanoparticles having a surfactant coating thereon, in which at least about 20% of the metal nanoparticles are platelet nanoparticles and the surfactant coating comprises at least one surfactant. The compositions may further comprise varying amounts of substantially spherical metal nanoparticles. The metal nanoparticles may be formulated into nanoparticle paste compositions, sprayable formulations, and inks that may aid in dispensation and consolidation of the metal nanoparticles.

This specification discloses composite materials and methods of making and using them. The composite material can include a porous periodic nanolattice layer having a first refractive index and a continuous layer having a second refractive index disposed on the porous periodic nanolattice layer, wherein the first refractive index and the second refractive index are different, the porous periodic nanolattice layer includes a plurality of pores defined by a nanolattice formed of hollow members, and the plurality of pores are periodic. Also disclosed herein is a method of making a composite material, the method including forming a patterned layer, depositing a first material on the patterned layer to thereby form a coated patterned layer, depositing a buffer material layer on the coated patterned layer to thereby form a planarized layer, depositing a continuous layer on the planarized layer, and removing the buffer material layer and the patterned layer to thereby form the composite material.

An infrared-absorbing quantum dot according to an embodiment of the present invention includes silver (Ag) and tellurium (Te), and has an absorbance peak in the range of 1,400 nm to 1,800 nm, wherein the peak-to-trough ratio (peak / trough) of the absorbance peak is at least 1.0.

A target substance detection device 1 comprises a target-substance-including base material 10 and a sensor body 20. The target-substance-including base material 10 includes: a base material 12, to the surface of which is immobilized at least some of a first capture molecule 11A; a target substance 13 which is bonded to the first capture molecule 11A; and an enzyme labelling second capture molecule 15 in which a second capture molecule 11B and an enzyme 14 are bonded, and in which the second capture molecule 11B is bonded to the target substance 13. The sensor body 20 includes an evaluation liquid 21 which contains a substrate 24 modified with the enzyme 14, a container 22 which accommodates the evaluation liquid 21, and an electric sensor 23 which is provided so as to contact the evaluation liquid 21 for sensing a component in the evaluation liquid 21. The target-substance-including base material 10 is separated and independent from the sensor body 20. The site at which the first capture molecule 11A of the target-substance-including base material 10 is immobilized to the surface of the base material 12 is immersed in the evaluation liquid 21.

Component comprising: a channel arranged over a substrate (202), the channel comprising a first nanosheet (215A, 230-1, 215B), a second nanosheet (215A, 230-1, 215B) and a nanosheet connecting section (230-2) connecting the first nanosheet (215A, 230-1, 215B) and the second nanosheet (215A, 230-1, 215B), wherein: between the first nanosheet (215A, 230-1, 215B) and the second nanosheet (215A, 230-1, 215B) in a first direction which is essentially perpendicular to the substrate (202), a distance (h2) is present. the nanosheet connection section (230-2) has a thickness (s4) in a second direction which is essentially parallel to the substrate (202), and the thickness (s4) is less than the distance (h2); a first source / drain feature (270) and a second source / drain feature (270) arranged above the substrate (202), wherein the first nanosheet (215A, 230-1, 215B) and the second nanosheet (215A, 230-1, 215B) extend in a third direction from the first source / drain feature (270) and the second source / drain feature (270), the third direction being different from the first direction and the second direction; and a metal gate (296, 298) located between the first source / drain feature (270) and the second source / drain feature (270), wherein the metal gate (296, 298) encloses the channel.

The present invention provides an enzyme-powered nanomotor, comprising a particle with a surface, an enzyme, and a heterologous molecule; characterized in that the enzyme and the heterologous molecule are discontinuously attached over the whole surface of the particle. The invention also provides the nanomotor for use in therapy, diagnosis and prognosis, in particular, for the treatment of cancer. Additionally, the invention provides the use of the nanomotor for detecting an analyte in an isolated sample.