Overview
BSA-RBITC is a fluorescent conjugate formed by linking Bovine Serum Albumin (BSA) with Rhodamine B Isothiocyanate (RBITC). BSA serves as a stable carrier protein, while RBITC provides strong fluorescence, making this conjugate ideal for labeling and detection in biological research. The combination ensures high signal-to-noise ratios in imaging and analytical techniques. This reagent is widely adopted due to its versatility and reliability. It is commonly used in laboratories for tracking, staining, and visualization purposes. The conjugate is particularly valued in studies requiring high sensitivity and specificity, such as immunoassays and cellular imaging.
Physical and Chemical Properties
BSA-RBITC typically appears as a reddish-brown powder or solution, depending on the formulation. The conjugate retains the solubility of BSA, dissolving readily in aqueous buffers and saline solutions. The fluorescence emission of RBITC peaks around 580 nm, making it suitable for red-channel detection in microscopy and flow cytometry. The stability of BSA-RBITC is a key advantage, with the conjugate remaining functional under a range of pH and temperature conditions. However, prolonged exposure to light or extreme temperatures can degrade the fluorescent properties. Proper storage at -20°C and protection from light are essential to maintain performance.
Main Applications
BSA-RBITC is extensively used in immunofluorescence techniques, where it serves as a secondary label or blocking agent. Its bright fluorescence and low background interference make it ideal for visualizing cellular structures and protein interactions. Researchers also employ it in flow cytometry to identify and quantify specific cell populations. Another critical application is in cellular imaging, where BSA-RBITC helps track molecular pathways and localization. The conjugate is also used in diagnostic assays and drug delivery studies, leveraging its biocompatibility and labeling efficiency. Its versatility across multiple techniques underscores its importance in biochemical and biomedical research.
Safety and Storage
Handling BSA-RBITC requires standard laboratory safety precautions. Avoid inhalation or direct contact with skin and eyes, as RBITC can be irritating. Use personal protective equipment (PPE) such as gloves and lab coats, and work in a well-ventilated area. Storage conditions are critical for maintaining the conjugate's efficacy. Store lyophilized powder or solutions at -20°C, protected from light. Repeated freeze-thaw cycles should be minimized to prevent degradation. Always check the manufacturer's recommendations for specific storage and handling instructions to ensure optimal performance.
B2B Procurement Guide
When procuring BSA-RBITC, prioritize suppliers with a proven track record in fluorescent conjugates. Key factors to evaluate include purity (typically >95%), fluorescence intensity, and batch-to-batch consistency. Request certificates of analysis (CoA) to verify these parameters. Pricing varies based on quantity, purity, and supplier reputation. Bulk purchases may offer cost savings, but ensure proper storage facilities are available. For specialized applications, consider custom conjugates with tailored labeling ratios. Always confirm lead times and shipping conditions to avoid delays or compromised product integrity.
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