Enhanced Fluorescence Compositions and Methods via Polymeric Spacers
Legal Citation
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
| Section | Class | Group |
|---|---|---|
| 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 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Biomolecule labeling technologies, fluorescence imaging, and molecular detection techniques, with expertise in chemical conjugation methods, fluorescent label optimization, and quantitative biomolecular analysis
Person of Ordinary Skill (PHOSITA) Profile
A skilled researcher with advanced degrees in biochemistry, molecular biology, or bioengineering, possessing practical experience in fluorescence microscopy, protein modification techniques, and understanding of molecular spacer chemistry
Obviousness Rationale
A PHOSITA would recognize that the PTD's polymeric spacer approach represents a predictable variation of the source patent's spacer molecule strategy. The fundamental concept of reducing fluorescence quenching through strategic molecular spacing is consistent between the source patent and PTD. The modifications introduce alternative spacer materials and conjugation approaches that would be considered routine optimization within the field of biomolecule labeling technologies.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,643 |
|---|---|
| Title | Compositions and methods for enhanced fluorescence |
| Assignee(s) | Life Technologies Corporation, Pierce Biotechnology, Inc. |