Description

Apopolysialoglycoprotein, Salmonid Fish Eggs is a specialized glycoprotein derivative isolated from salmonid fish eggs, characterized by its unique polysialylated structure. This compound is of significant interest for its role in cellular recognition processes and its potential as a bioactive material. It serves as a critical raw material for research and development in the life sciences, particularly for companies focused on glycobiology, neuroscience, and advanced biomaterial development.

Application

• Neuroscience Research: Utilized as a model compound for studying polysialic acid (PSA) function in neural cell adhesion, plasticity, and regeneration.
• Biomaterial Engineering: Serves as a bioactive coating or component in scaffolds for tissue engineering, leveraging its anti-adhesive and cell-signaling properties.
• Diagnostic Development: Used in the development of immunoassays and biosensors targeting polysialylated biomarkers associated with certain cancers and neurological conditions.
• Glycoprotein Standard: Acts as a high-purity reference standard in analytical laboratories for method development and quality control of related biological products.
• Drug Delivery Systems: Investigated for its potential in creating targeted drug delivery vectors due to the biocompatibility and specific binding attributes of polysialic acid chains.

Basic Information

Product Name	Apopolysialoglycoprotein, Salmonid Fish Eggs
CAS No.	115732-63-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polysialoglycoprotein, Salmonid Egg; PSA-Glycoprotein; Fish Egg Polysialoprotein; Neural Cell Adhesion Molecule Glycoform; Polysialic Acid Glycoprotein; Salmonid Egg-derived Glycoprotein; Apopolysialoglycoprotein (from Oncorhynchus species)
EINECS	Contact for details

Quality Control

Our Apopolysialoglycoprotein is produced under stringent conditions to ensure batch-to-batch consistency and high biological activity. Each lot is characterized using advanced analytical techniques including HPLC, electrophoresis, and spectroscopic methods. Certificates of Analysis (COA) detailing purity, identity, and biological activity are provided with every shipment to support your research and compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below for long-term stability. This material is hygroscopic (moisture-sensitive); allow the sealed container to reach room temperature before opening to minimize condensation and moisture uptake. For short-term use, store at 2-8°C.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (IR / NMR)	Conforms to reference standard
Purity (HPLC)	≥ 90%
Protein Content (BCA)	≥ 85%
Sialic Acid Content	≥ 10% (by weight)
Endotoxin Level (LAL)	< 10 EU/mg
Biological Activity (Cell-based assay)	Reported per COA
Moisture Content (KF)	< 5.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.