DSPE-PEG-conjugate-MW 3.4 kDa : A Comprehensive Review
DSPE-PEG-conjugate (MW 3.4 kDa) represents a versatile molecule widely employed in drug delivery applications. It consists of distearoylphosphatidylethanolamine (DSPE), a lipid moiety, linked to PEG, and terminated with a N-hydroxysuccinimide (NHS ester group). This active ester functionality facilitates covalent conjugation to lysine residues on biomolecules. Its molecular weight of approximately 3400 Daltons provides a balance between solubility and lipophilicity, enabling it beneficial for modifying the bioavailability of drugs and towards surface engineering.
Understanding DSPE-PEG-NHS (1244784-44-8) for Bioconjugation
DSPE-PEG-NHS, identified by the CAS number 1244784-44-8, is a widely utilized linker in bioconjugation reactions, particularly for modifying vesicles with therapeutic molecules . This reagent consists of distearoylphosphatidylethanolamine (DSPE), a lipid anchor, linked to a polyethylene glycol (PEG) polymer , which in turn possesses an N-hydroxysuccinimide (NHS) ester . The DSPE component provides excellent attachment to liposomal membranes, ensuring the conjugated therapeutic remains associated. PEG serves a important role in improving water solubility and reducing immunogenicity. The reactive NHS moiety readily reacts with primary residues on biomolecules, such as proteins , allowing for covalent conjugation. Common methods include antibody-drug conjugates (ADCs) and targeted transport systems. Careful evaluation of reaction settings – pH, temperature, and stoichiometry – is crucial for successful and controlled bioconjugation with DSPE-PEG-NHS.
DSPE-PEG-NHS (MW 3400): Properties, Applications, and Synthesis
DSPE -PEG - N-Hydroxysuccinimide , with a molar weight of approximately 3400 Daltons , is a versatile bioconjugation compound widely employed in therapeutic research and processes. Its structure consists of a fatty distearoylphosphatidylethanolamine anchor covalently linked to a polyethylene glycol segment terminated with an NHS-active end. The PEG portion imparts aqueous solubility and reduces compound aggregation while the NHS ester enables coupling DSPE-PEG-NHS（MW 3400） to amino groups on proteins . Synthesis typically involves the functionalization of PEG with an NHS derivative, followed by reaction to DSPE. Common uses include medication transport , surface change of nanoparticles , and biomaterial modification .
Optimizing Bioconjugation with DSPE-PEG-NHS (1244784-44-8)
Ensuring maximum bioconjugation via DSPE-PEG-NHS (1244784-44-8) requires careful consideration of multiple key parameters. This NHS ester offers a functional site for conjugating molecules to phospholipids, nevertheless reaction success can be considerably impacted by acidity, warmth, solution choice, and the ratio of reagent to substance. Hence, thorough fine-tuning of said aspects is crucial for successful therapeutic delivery uses.
DSPE-PEG-NHS (MW 3400): A Essential Component for Specific Drug Transport
DSPE-PEG-NHS (MW 3400) represents a versatile molecule increasingly utilized in cutting-edge drug delivery platforms . This unique amphiphilic polymer combines a distearoylphosphatidylethanolamine (DSPE) lipid , a polyethylene glycol (PEG) linker, and an N-hydroxysuccinimide (NHS) ester . The DSPE provides superior anchoring capabilities to nanoparticles , while the PEG promotes biological solubility and minimizes recognition by the organism . The NHS ester is crucial, allowing for covalent conjugation of therapeutic agents via amine sites.
- This process facilitates targeted delivery, decreasing off-target effects .
- The molecular weight (MW) of approximately 3400 provides an optimal balance between drug loading, integrity , and circulation properties.
Product Characteristics and Processing of DSPE-PEG-NHS (1244784-44-8)
This product , DSPE-PEG-NHS (CAS: 1244784-44-8), presents with a weight typically ranging from X to Y kDa, with a degree of polymerization that fluctuates depending on the batch run. Its linked structure features distearoylphosphatidylethanolamine (DSPE), a polyethylene glycol , and N-hydroxysuccinimide (NHS) for linking . Proper storage requires refrigeration (2-8°C) under an dry atmosphere to prevent degradation. Use should be performed under a controlled environment due to the possible of reaction. Avoid contact with humidity and harsh chemicals . Consult the MSDS for comprehensive guidelines on safety precautions and disposal procedures.