General Electric Company

Bahram Moasser

John Richard Nelson

Wei Cai

John Yupeng Gui

Su Lu

Zhixin Zheng

Anup Sood

Gregory Andrew Grossmann

Zhida Pan

Liangliang Qiang

Eric James Pressman

Swaminathan Sivaram

Raghunath Vitthal Chaudhari

Ashutosh Anant Kelkar

Brian James Grimmond

Joseph John Caringi

Mohan Mark Amaratunga

Chilukuri Ver Avadhani

Sunil Purushottam Gupte

Bhalchandra Mahadeo Bhanage

Sheree Lynell Schattenmann

Subbareddiar Kanagasabapathy

Su Lv

Mohammed Shadbar Qureshi

A composition includes a first probe and a first initiator bonded to the first probe. The first probe is capable of binding to an analyte and the first initiator is capable of initiating a controlled polymerization reaction. An associated kit, device, and method are provided.

Composition, device and associated method

A composition includes a first probe, a first initiator component bonded to the first probe, a second probe, and a second initiator component bonded to the second probe. The first probe and the second probe are capable of binding to a single analyte, and the first initiator component and the second initiator component are capable of forming an initiator when present in proximity to each other and when the first probe and the second probe are bonded to the analyte. An associated kit, device, and method are provided.

The composition includes a first probe and a first initiator bonded to the first probe. The composition further includes a second probe and a second initiator bonded to the second probe. The first probe and the second probe are capable of binding to a single analyte. An associated kit, device, and method are provided.

A composition includes a first probe capable of binding to a first analyte and a first initiator bonded to the first probe. The composition further includes a second probe capable of binding to a second analyte and a second initiator bonded to the second probe. At least one of the first initiator or the second initiator is capable of initiating a controlled polymerization reaction. An associated kit, device, and method are provided.

A method for synthesizing extended poly(amino acids) conjugated to imaging agents, such as DTPA, is disclosed. The amino acid is initially conjugated to the imaging agent at the monomer stage, followed by formation of the corresponding N-carboxyanhydride. The method utilizes catalyzed ring opening polymerization of the N-carboxyanhydride of the amino acid-imaging agent monomer allowing the formation of a poly(amino acid) backbone having 100% imaging agent conjugation if desired. However, the present method also permits the degree of conjugation to be controlled by copolymerizing the N-carboxyanhydride of the amino acid-imaging agent monomer with one or more unconjugated monomers, i.e. N-carboxyanhydrides of the same or of other amino acids. Various imaging agents may be employed, and new hybrid random, block, and mixed copolymers may be prepared.

Polymerization method for the synthesis of polypeptide imaging agents

Xylene derivatives, such as chloro-ortho-xylene, are oxidized in a solvent in the presence of at least one metal catalyst and optionally at least one promoter. The product comprises chlorophthalic acid or chlorophthalic anhydride.

Method for oxidation of xylene derivatives

Polycarbonate oligomers are prepared by oxidative carbonylation of a dihydroxyaromatic compound such as bisphenol A in the presence of a catalyst comprising a Group VIII metal such as palladium, an inorganic and/or an organic co-catalyst, a halide source and an alcohol-free solvent comprising at least one liquid aromatic hydrocarbon, optionally in combination with a dipolar aprotic liquid such as N-methylpyrrolidinone. These oligomers may be further polymerized by melt polymerization to precursor polycarbonate oligomers which may be converted to high molecular weight polycarbonates by melt or solid state polymerization.

Method for preparing polycarbonates by oxidative carbonylation

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Gaithersburg, MD, United States of America

Bahram Moasser