The present invention provides a composition for antifreezing including a gold (Au) nanostructure in which at least a portion thereof is concave, thereby it is possible to increase a survival rate of cells due to having excellent effect of inhibiting ice recrystallization when cryopreservation of the cells, and maintain a texture of food even when using in the freezing of food.

A method for removing iodine by using Deinococcus radiodurans having a gold nanoparticle synthesis ability is disclosed. More particularly, a method for removing radioactive iodine by adsorbing radioactive iodine onto gold nanoparticles synthesized in cells of Deinococcus radiodurans is disclosed. A recombinant microorganism having an enhanced radioactive iodine removal ability according to the present invention may selectively remove radioactive iodine present in various types of solutions at a high efficiency of 99% or higher, and thus may be very effective in removing radioactive iodine generated in large-scale hospitals, industries, nuclear facility accidents, and the like.

A device includes a light adjustment apparatus having at least one material having a dielectric permittivity, the at least one material to affect the flow of light, wherein the light adjustment apparatus includes a tunable material to enable adjustment of the dielectric permittivity of the at least one material.

The present invention is a semiconductor nanoparticle composed of a semiconductor crystal of a compound containing Ag, Au and S as essential constitutional elements. A AgAuS-based compound constituting the semiconductor nanoparticle has a total content of Ag, Au and S of 95 mass % or more. In addition, the compound is preferably a AgAuS ternary compound represented by the general formula Ag.sub.(nx)Au.sub.(ny)S.sub.(nz). In the formula, n is any positive integer. x, y and z represent proportions of the number of atoms of the respective atoms of Ag, Au and S in the compound and are real numbers satisfying 0<x, y, z?1, and x/y is 1/7 or more and 7 or less.

The present disclosure provides a method for producing a metal organic framework nanosheet, including forming a metal organic framework in a sheet form between two monolayers constituting a single bilayer membrane in a case where the bilayer membranes form a hyper-swollen lamellar phase in a solvent. The present disclosure relates to a metal organic framework nanosheet including a metal organic framework disposed, in a sheet form, between two monolayers constituting a single bilayer membrane, wherein a plurality of the bilayer membranes forms a hyper-swollen lamellar phase in a solvent.

The present disclosure provides a method for producing a metal organic framework nanosheet, including forming a metal organic framework in a sheet form between two monolayers constituting a single bilayer membrane in a case where the bilayer membranes form a hyper-swollen lamellar phase in a solvent. The present disclosure relates to a metal organic framework nanosheet including a metal organic framework disposed, in a sheet form, between two monolayers constituting a single bilayer membrane, wherein a plurality of the bilayer membranes forms a hyper-swollen lamellar phase in a solvent.

Provided is a lesion identification marker for use in radiation therapy that enables pure gold microparticles which absorb X-rays to be placed, with extremely low invasive potential, in any site in the body in an arbitrary amount appropriate for the type of radiation therapy and the therapeutic target site, and that enables the placement site to be identified over a long period of time by radiation therapy equipment. The lesion identification marker for use in radiation therapy includes a mixture of pure gold particles and a substance containing a calcium phosphate-based bone reinforcing material, or a mixture of pure gold particles, a mixing solution, and a substance containing a calcium phosphate-based bone reinforcing material. The volume mean diameter (MV) of the particles of the substance containing a calcium phosphate-based bone reinforcing material is in the range of 3-12 m.

Disclosed techniques include a method of obtaining an enhanced oil recovery fluid from a hydrocarbon reservoir, comprising producing a hydrocarbon stream from the hydrocarbon reservoir, separating an associated gas stream from the hydrocarbon stream, and condensing at least a portion of the associated gas stream to obtain an enriched hydrocarbon fluid suitable for injecting into a liquid layer of the hydrocarbon reservoir to enhance recovery of hydrocarbons from the hydrocarbon reservoir.

Systems and methods are disclosed that utilize metal nanostructures that are synthesized in situ along the internal surfaces of a microfluidic device. The nanostructures are formed by initial deposition of metallic seeds followed by flowing growth and reducing agent solutions into the capillaries/microfluidic channels to grow the nanostars. The nanostructures may optionally be functionalized with a capture ligand. The capture ligand may be used to selectively bind to certain cells (e.g., circulating tumor cells). The cells may be removed by a beam of light (e.g., laser beam) that induces localized heating at the surface location(s) containing the nanostructures. The plasmonic nature of the nanostructures can be used to heat the nanostructure(s) locally for the selective removal of one or certain cells. The nanostructures may be used to acquire Raman spectra of molecules or other small objects that are bound thereto for identification and quantification.

Systems and methods are disclosed that utilize metal nanostructures that are synthesized in situ along the internal surfaces of a microfluidic device. The nanostructures are formed by initial deposition of metallic seeds followed by flowing growth and reducing agent solutions into the capillaries/microfluidic channels to grow the nanostars. The nanostructures may optionally be functionalized with a capture ligand. The capture ligand may be used to selectively bind to certain cells (e.g., circulating tumor cells). The cells may be removed by a beam of light (e.g., laser beam) that induces localized heating at the surface location(s) containing the nanostructures. The plasmonic nature of the nanostructures can be used to heat the nanostructure(s) locally for the selective removal of one or certain cells. The nanostructures may be used to acquire Raman spectra of molecules or other small objects that are bound thereto for identification and quantification.