The disclosed technology relates generally to material systems which include a plurality of particles and methods of making the same. The particles have a core and a shell which encapsulates the core and has at least one atomic element not included in the core. The cores of the particles have a median maximum dimension that is less than 10 microns and a median of at least one axial dimension that is between 10 nm and 500 nm. The shells of the particles have a median thickness that is less than 100 nm, a silicon concentration that is between 10% and 50% on the basis of the weight of the shells, and an aluminum concentration that is between 0.01% and 5% on the basis of the weight of the shells.
SILICA NANOPARTICLES HAVING FLUORESCENT SUBSTANCE CONFINED THEREIN, AND LABELING AGENT FOR BIOSUBSTANCE
申请人:Konica Minolta Medical & Graphic, Inc.
公开号:EP2518127A1
公开(公告)日:2012-10-31
Provided are silica nanoparticles each having a fluorescent substance confined therein. The silica nanoparticles are characterized in that the surfaces of the silica nanoparticles have been coated with a substance having a bulk refractive index of 1.60-4.00. The silica nanoparticles having a fluorescent substance confined therein have excellent long-term storability. A biosubstance-labeling agent obtained using the silica nanoparticles can be provided.
TISSUE STAINING METHOD, TISSUE EVALUATION METHOD AND BIOSUBSTANCE DETECTION METHOD
申请人:Konica Minolta Medical & Graphic, Inc.
公开号:EP2613145A1
公开(公告)日:2013-07-10
A tissue staining method which comprises: staining a tissue with a staining reagent wherein a biosubstance recognition site is bonded to particles carrying multiple fluorescent substances accumulated therein; in the stained tissue, counting fluorescent points or measuring fluorescent brightness; and evaluating the expression level of a biosubstance, which matches the biosubstance recognition site, in the aforesaid tissue on the basis of the number of the fluorescent points or fluorescent brightness that was measured.
SILICA NANOPARTICLES FOR DIAGNOSTIC IMAGING, METHOD FOR MANUFACTURING SAME, AND LABELING AGENT FOR BIOSUBSTANCE
申请人:Konica Minolta, Inc.
公开号:EP2687234A1
公开(公告)日:2014-01-22
The present invention provides a silica nanoparticle for diagnostic imaging that is capable of use for X-ray CT, fluorescent imaging, or the like, and have high emission intensity. The present invention also provides a method for producing such a silica nanoparticle for diagnostic imaging. Also, a biosubstance labeling agent using the silica nanoparticle for diagnostic imaging is provided. The silica nanoparticle for diagnostic imaging of the present invention encapsulates an organic fluorescent dye and a metal complex, wherein a ligand of the metal complex form a covalent bond with constituent molecules of the silica nanoparticle.
本发明提供了一种用于诊断成像的二氧化硅纳米粒子,该粒子可用于 X 射线 CT、荧光成像或类似用途,并具有高发射强度。本发明还提供了生产这种用于诊断成像的二氧化硅纳米粒子的方法。此外,本发明还提供了一种使用这种用于诊断成像的二氧化硅纳米粒子的生物物质标记剂。本发明的诊断成像用二氧化硅纳米粒子封装了有机荧光染料和金属络合物,其中金属络合物的配体与二氧化硅纳米粒子的组成分子形成共价键。
TISSUE STAINING METHOD
申请人:Konica Minolta, Inc.
公开号:EP2833137A1
公开(公告)日:2015-02-04
Provided is a method for staining a tissue enabling highly precise staining, by which the expression amount and/or the location of a biological substance in a tissue sample can be detected with a high quantitativity together with detailed information that can be obtained by bright field observation.
The tissue staining method of the present invention is a method for staining a tissue, in which both staining that allows bright field observation and fluorescence staining are carried out for the same specific biological substance.