Labeling/Coupling Kit

What are the Labeling/Coupling Kit?

Labeling and Coupling Kits are standardized reagent systems for the covalent coupling and functionalization of biomolecules. They aim to stably link antibodies, proteins, or other biomolecules with targeted biorecognition or therapeutic activity to the surface of phospholipid molecules or nanomaterials. In drug delivery research, these kits are primarily used to construct "functionalized lipid units," such as phospholipid-antibody or phospholipid-protein conjugates. These functionalized molecules can naturally integrate into lipid bilayer structures, such as liposomes, lipid nanoparticles (LNPs), or exosomes, achieving precise targeted delivery without affecting the integrity of the carrier structure or the stability of drug encapsulation. In this way, nanodelivery systems can acquire specific recognition capabilities, enhance receptor-mediated cellular uptake efficiency, and thus significantly improve drug delivery efficacy.

CD Bioparticles provides Labeling/Coupling Kits as Follows:

• Phospholipid-Antibody Conjugation Kit

Supports conjugation of monoclonal or polyclonal antibodies

Used for constructing targeted liposomes or targeted LNP systems

Suitable for tumor-targeted or tissue-specific delivery studies

• Phospholipid-Protein Conjugation Kit

Supports conjugation of functional proteins, receptor ligands, or enzymes

Used for constructing nanocarriers with bioactive surfaces

Features

• Highly efficient covalent conjugation: Achieves stable covalent connections between phospholipids and antibodies or proteins.
• Mild reaction conditions: Achieves protein or antibody conjugation under mild conditions, avoiding damage to the structure and activity of antibodies and proteins.
• Controllable and reproducible conjugation efficiency: Optimized reagent ratios and operating procedures ensure batch-to-batch consistency, suitable for large-scale studies.
• Maintains carrier structural stability: The conjugated functional molecules can naturally integrate into the lipid bilayer system without affecting nanoparticle size, encapsulation efficiency, or release characteristics.

Applications

• Construction of Targeted Liposomes and Targeted LNPs

By conjugating antibodies or protein ligands to phospholipids, tumor cell-specific recognition, receptor-mediated endocytosis, or local tissue-specific enrichment are achieved. Downstream applications are broadly applicable to drug delivery research of peptides, proteins, and nucleic acids.

• Precise Delivery of Nucleic Acid Drugs

Targeted and precise delivery is constructed in mRNA, siRNA, or PNA delivery systems.

• Delivery of Antitumor Drugs

Targeted delivery to immune cells or tissues is achieved through conjugation of targeting antibody proteins.