C09B23/0066

Charge-balanced imaging agents

The present invention relates to compositions for and methods of optically imaging tissues or cells using imaging agents having desirable in vivo properties that result in improved signal-to-background ratio.

NEAR-IR GLUCOSE SENSORS

Glucose-sensing luminescent dyes, polymers, and sensors are provided. Additionally, systems including the sensors and methods of using these sensors and systems are provided.

PHOTOSENSITIVE COMPOSITION
20180373145 · 2018-12-27 · ·

The purpose of the present invention is to provide a photosensitive composition having excellent curability even when a colorant or other substance for attenuating or blocking radiated light is present at a high concentration, the film thickness thereof is large, and the light source is visible-to-infrared light, particularly infrared light having low energy. The present invention is a photosensitive composition characterized by containing as essential components (A) an onium salt represented by general formula (1), (B) a sensitizer, and (C) a radical polymerizable compound. (In formula (1), Rf each independently represents a C1-8 alkyl group, a C2-8 alkenyl group, or a C6-10 aryl group, 80% or more of hydrogen atoms bonded to the carbon atoms of each group being substituted with fluorine atoms, n represents an integer of 1 to 5, and A.sup.+ represents a monovalent onium cation.)

COMPOUNDS AND METHODS TO SENSITIZE CANCER CELLS TO TYROSINE KINASE INHIBITORS

The present invention generally relates to sensitizer compounds and their use in combination with Tyrosine Kinase Inhibitors (TKIs) for sensitizing tumor, cancer or pre-cancerous cells to TKI treatment. In particular, the present invention relates to administration regimes that combine TKIs such as Gefitinib or Icotinib with TKI-sensitizing DZ1 esters and amides conjugated to statin or platin-based drugs, or to Artemisinin, including, without limitation: DZ1-Simvastatin amide, DZ1-Simvastatin ester, DZ1-Cisplatin ester, and DZ1-Cisplatin amide, DZ1-Artemisinin ester, and DZ1-Artemisinin amide. Furthermore, the present invention relates to improved TKI treatment of cancers by sensitizing tumor, cancer or pre-cancerous cells, in particular cancers that develop TKI resistance, including e.g. lung cancer and pancreatic cancer.

COLOR DEVELOPING COMPOSITION, LITHOGRAPHIC PRINTING PLATE PRECURSOR, METHOD FOR PRODUCING LITHOGRAPHIC PRINTING PLATE, AND COLOR DEVELOPING COMPOUND

A color developing composition containing a compound represented by the Formula (1) as defined herein, a lithographic printing plate precursor including a support and an image-recording layer containing the color developing composition, a method for producing a lithographic printing plate including: exposing the lithographic printing plate precursor in an image pattern; and removing a non-exposed portion in the image-recording layer using at least one of printing ink or dampening water on a printer, and a color developing compound represented by the Formula (1) as defined herein.

NOVEL INDOCYANINE COMPOUND, SYNTHESIS METHOD AND PURIFICATION METHOD THEREOF, DIAGNOSTIC COMPOSITION USING THE INDOCYANINE COMPOUND, AND DEVICE FOR MEASURING BIOKINETICS AND DEVICE FOR VISUALIZING CIRCULATION USING THE DIAGNOSTIC COMPOSITION

The present invention aims at providing a novel indocyanine compound solving problems of conventionally used indocyanine green, such as solubility in water or physiological saline, a synthesis method and a purification method thereof, and a diagnostic composition including the novel indocyanine compound. Further, provided are a method for evaluating biokinetics of the novel indocyanine compound and a device for measuring biokinetics, and a method and a device for visualizing circulation of fluid such as blood in a living body, which utilize the diagnostic composition. Also, found are a novel indocyanine compound in which a hydrophobic moiety in a near-infrared fluorescent indocyanine molecule is included in a cavity of a cyclic sugar chain cyclodextrin to cover the hydrophobic moiety in the indocyanine molecule with the glucose, and a synthesis method and a purification method thereof. Furthermore, found are a method for fluorescence-imaging an organ other than liver by intravenous administration, a method for evaluating biokinetics of the novel indocyanine compound, a device for measuring biokinetics, and a method and a device for visualizing circulation of fluid such as blood in a living body, utilizing the diagnostic composition including the novel indocyanine compound.

CURABLE COMPOSITION, CURED FILM, OPTICAL FILTER, LAMINATE, SOLID IMAGE PICKUP ELEMENT, IMAGE DISPLAY DEVICE, AND INFRARED SENSOR
20180355149 · 2018-12-13 · ·

A curable composition includes: a near infrared absorbing compound that includes a cation having an absorption in a near infrared range and an anion; a salt of an anion that is a component other than the near infrared absorbing compound and has a conjugate acid pKa of 8 or lower; and a curable compound.

Method And Dyes For Detecting And Destroying Cancer Cells

This invention relates to new carbocyanine dye compositions, pharmaceutical compositions comprising such compositions, methods of detecting via near infrared fluorescent imaging incipient cancer cells and selective destruction of cancer cells identified by administration of such pharmaceutical compositions. A method of detecting and destroying cancer cells includes introducing a gold dye into an organism suspected of having a cancer cell. The gold dye is a carbocyanine dye covalently attached to a gold nanoparticle. A near infrared light is shined on a region suspected of having the cancer cell. Fluorescence from the gold dye is detected. A beam of radio frequency energy is directed at the region to induce hyperthermia in the cancer cell. The carbocyanine dye has the most basic structure of MHI-148 and structures 6 and 22 with a Au.sub.n[SCH.sub.2(CH.sub.2).sub.9CH.sub.2(OCH.sub.2CH.sub.2).sub.4O]COCH.sub.2CH.sub.2-phenyl-O group on a cyclohexene ring that imparts activity to the cancer cell binding and destruction processes.

NOVEL ORGANIC COMPOUND, NEAR-INFRARED FLUORESCENT CONSTANT MEDIUM CONTAINING SAME, AND METHOD FOR NANO-GRANULATING CONSTANT MEDIUM

The present invention relates to a novel organic compound, a near-infrared fluorescent constant medium containing the same, and a method for nano-granulating the constant medium.

Cyanine Compounds

Compounds used as labels with properties comparable to known fluorescent compounds. The compounds can be conjugated to proteins and nucleic acids for biological imaging and analysis. Synthesis of the compounds, formation and use of the conjugated compounds, and specific non-limiting examples of each are provided.