Enhanced Fluorescence Compositions and Methods via Polymeric Spacers

Publication ID: 24-11857643_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Fluorescence Compositions and Methods via Polymeric Spacers,” Published Technical Disclosure No. 24-11857643_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857643_0001_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,643.

Summary of the Inventive Concept

This inventive concept relates to novel compositions and methods for enhancing fluorescence signals and reducing quenching in biomolecule labeling applications, leveraging polymeric spacers to improve detection sensitivity and accuracy.

Background and Problem Solved

The original patent disclosed methods for increasing fluorescent signals and reducing quenching using spacer molecules. However, these methods had limitations, including reduced quenching efficiency and restricted spacer molecule options. The new inventive concept addresses these limitations by introducing polymeric spacers, which provide improved quenching reduction and increased flexibility in biomolecule labeling.

Detailed Description of the Inventive Concept

The new inventive concept comprises methods and compositions for enhancing fluorescence signals in biomolecule labeling applications. Specifically, the concept involves conjugating a plurality of fluorescent labels to a biomolecule via a polymeric spacer. The polymeric spacer reduces quenching of the fluorescent labels, resulting in increased fluorescence emission. This approach enables improved detection sensitivity and accuracy in various applications, including immunofluorescence, cellular imaging, and quantitation assays.

Novelty and Inventive Step

The use of polymeric spacers to reduce quenching and enhance fluorescence signals in biomolecule labeling applications represents a significant improvement over the original patent. The new claims introduce a novel and non-obvious solution to the problem of quenching, providing a more efficient and flexible approach to biomolecule labeling.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept may include the use of different polymeric spacer materials, varying the length and structure of the polymeric spacer, or incorporating additional components to further enhance fluorescence signals. Variations of the concept may also involve adapting the approach for use in different biomolecule labeling applications or integrating the technology with other detection methods.

Potential Commercial Applications and Market

The enhanced fluorescence compositions and methods via polymeric spacers have significant commercial potential in the life sciences and biomedical industries. The technology may be applied in various areas, including immunofluorescence, cellular imaging, and quantitation assays, with potential customers including research institutions, pharmaceutical companies, and diagnostic laboratories.

CPC Classifications

SectionClassGroup
A A61 A61K49/0015
A A61 A61K47/10
A A61 A61K47/18
A A61 A61K49/0058
G G01 G01N33/533
G G01 G01N33/582
G G01 G01N33/68

Original Patent Information

Patent NumberUS 11,857,643
TitleCompositions and methods for enhanced fluorescence
Assignee(s)Life Technologies Corporation, Pierce Biotechnology, Inc.