Polydopamine-Coated Nanoparticles for Bacterial Capture ID: 2023-030

A novel method leveraging polydopamine-coated nanoparticles for efficient and selective bacterial capture, facilitating rapid diagnostics.

Technology Overview

This technology utilizes the unique adhesive properties of polydopamine (pDA)-coated nanoparticles to capture gram-positive bacteria and certain gram-negative cocci effectively. It distinguishes itself by maintaining the viability of the bacteria, unlike traditional methods that focus on antibacterial properties, thus enabling their use in subsequent diagnostic assays. The method supports rapid bacterial separation from fluid samples, including blood and urine, significantly speeding up the diagnostic process by circumventing the need for culture growth.

Key Advantages

• Efficient capture of specific bacteria types while maintaining their viability
• Rapid separation of bacteria from various fluid samples, enabling quicker diagnostics
• Applicability to a wide range of surfaces and potential for integration into different technological applications
• Does not rely on antibacterial agents, thus preserving bacteria for further analysis

Problems Addressed

• Lengthy culture growth processes required for bacterial diagnostics
• Non-selective adhesion of bacteria, complicating the isolation of specific types
• Limited methods for maintaining bacterial viability during capture and isolation

Market Applications

• Medical diagnostics for rapid identification of bacterial infections
• Food safety testing by quickly detecting bacterial contaminants
• Biomanufacturing processes requiring precise bacterial manipulation
• Development of microfluidic devices and water purification systems enhanced by bacterial capture capabilities

Additional Information

Technology ID: 2023-030
Sell Sheet: Download the Sell Sheet here
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Date Published: 28 March, 2025