摘要:
The present disclosure is directed to fluorogenic schiff base-forming dyes capable of detecting analytes containing aldehyde and ketone groups. The dyes contain nucleophilic hydrazinyl appendages and are capable of binding and detecting analytes in situ .
摘要:
The present invention provides thiosulphate compounds having the formulae R-S-SO 3 ¯, R-S-SO 3 H, R-L-S-SO 3 , R-L-S-SO 3 H, X-L-S-SO 3 ¯and X-L-S-SO 3 H, where R is a reporter group, a carrier molecule or a solid support, L is a linker and X is a reactive group suitable for a crosslinking agent, and methods for their preparation and use. The thiosulphate group reacts with thiol group to form a disulphide bond, making the compound suitable for the labelling and immobilization of target analytes.
摘要:
Provided herein are heptamethine cyanine dyes having a large Stokes shift, and the salts and conjugates thereof. Also provided are methods of using and making such large Stokes shift dyes as fluorescence resonance energy transfer (FRET) acceptors or donors.
摘要:
Fluorescent quinolizinocoumarin compounds substituted with electrophilic reactive groups that bind thiol compounds are described. The compounds are useful in detecting oxidative stress and processes associated therewith in live cells.
摘要:
The present invention provides chemical compounds containing a thiosulfate group, and methods for their preparation and use. The thiosulfate group reacts with a thiol group to form a disulfide bond.
摘要:
The present disclosure is directed to a reactive ester agent for conjugating a click-reactive group to a carrier molecule or solid support. The reactive ester agent has the general formula IA, wherein the variables R 1 , R 2 , R 3 , R a and L are described throughout the application.
摘要:
Compositions, methods of synthesis and applications of phospholipase A 2 (PLA 2 ) specific enzyme substrates which exhibit fluorescence resonance energy transfer (FRET) are described. The compounds generally have the structure: (I) wherein, the variables are described throughout the application. These novel compounds provide a sensitive method to monitor real time PLA 2 specific enzyme activities in various cells, tissues and small organisms with fluorescence-ratiometric analysis.
摘要:
The present invention provides a zaltoprofen-containing sustained release tablet comprising granules containing zaltoprofen and a binder, in which the granules are dispersed in a matrix comprising a hydrophilic polymer, and a diluent is present either in the granules or in the matrix, and a method for preparing the same.
摘要:
ABSTRACT Described herein are compounds, compositions, methods, and kits for detecting reactive oxygen species (ROS) by conventional fluorescence microscopy, fluorescence spectroscopy, flow cytometry, and/or high content imaging. The compounds disclosed herein are novel reduced dyes, including Cy-based hydrocyanine dyes and Cy-based deuterocyanine dyes, which dyes are probes for detecting ROS and measuring oxidative stress in cells either in vitro and/or in vivo. Also described herein are processes for preparing novel reduced dyes, i.e., ROS probes, for use in the disclosed compositions, methods and kits.
摘要:
Provided herein are heptamethine cyanine dyes having a large Stokes shift, and the salts and conjugates thereof. Also provided are methods of using and making such large Stokes shift dyes as fluorescence resonance energy transfer (FRET) acceptors or donors.