Pegylated Lipids

mPEG2000-DMG is used for the preparation of liposome for siRNA delivery with improved transfection efficiency in vitro. mPEG2000-DMG is also used for the lipid nanoparticle for an oral plasmid DNA delivery approach in vivo through a facile surface modification to improve the mucus permeability and delivery efficiency of the nanoparticles.

ALC-0159 presents highly mobile surface PEG chains in a dense brush-like conformation, which can form a hydrophilic barrier, reduce non-specific protein adsorption and macrophage uptake, improve colloidal stability, prolong in vivo circulation time, and affect the cellular uptake of LNPs. ALC-0159 dissociates from the surface of mRNA-LNPs under long-term mechanical oscillation stress, thereby reducing steric hindrance, inducing mRNA-LNP fusion, increasing particle size, and releasing unencapsulated mRNA.

DSPE-PEG2000-NHS is a PEG-modified phospholipid derivative that can be used to prepare liposomes. DSPE-PEG2000-NHS is commonly employed as a linker molecule for the surface modification of liposomes to confer targeting capabilities. DSPE-PEG2000-NHS can be used in the study of drug delivery.

DSG-PEG2000 is a type of polyethylene glycol grease. DSG-PEG2000 can be used to prepare liposomes[2].

DSPE-PEG2000-DBCO is a phospholipid PEG polymer that combines a hydrophobic phospholipid (DSPE), a hydrophilic polyethylene glycol spacer with a molecular weight of 1000 Da, and a reactive click chemistry terminal group (DBCO). DSPE-PEG2000-DBCO migrates to lymph nodes via the endogenous albumin transport system, implants bioorthogonal DBCO docking sites, and enables the enrichment of azide-functionalized vesicles in lymph nodes mediated by click chemistry. DSPE-PEG2000-DBCO can be used in studies related to atherosclerosis.

DSPE-PEG5000-Maleimide, is a linker lipid containing DSPE phospholipid and Maleimide. DSPE-PEG-Maleimide is used in the synthesis of liposomes, including HELDC liposomes, sterically stabilized liposomes, and immunoliposomes.

DSPE-PEG2000-azide is an azide containing lipid that can be used to form micelles as nanoparticles for drug delivery. DSPE-PEG2000-azide is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

DSPE-PEG2000-Biotin is a biotin-labeled PEG derivative composed of phospholipid (DSPE), a hydrophilic polyethylene glycol chain (PEG2000) and a biotin tag. DSPE-PEG2000-Biotin is widely used in scientific research for constructing targeted liposomes, micelles and lipid nanoparticles for drug delivery and cell binding experiments.

DSPE-PEG2000-SH is an amphiphilic thiol-functionalized DSPE-PEG molecule. DSPE-PEG2000-SH inserts into extracellular vesicle (EV) bilayer membranes via hydrophobic interactions, displaying surface thiol groups to form EV-SH crosslinkers.DSPE-PEG2000-SH enables crosslinking of EV-SH with 8-arm PEG-norbornene via thiol-ene photochemistry to construct hydrogels, with hydrogel mechanical properties tunable via PEG segment molecular weight variation.DSPE-PEG2000-SH can be used to encapsulate agents for drug delivery system, such as mRNA vaccine.

18:0 mPEG2000 PE (DSPE-mPEG2000) sodium is a conjugate of phospholipid and polyethylene glycol, and it can serve as an important PEG lipid component in lipid nanoparticles (LNPs). 18:0 mPEG2000 PE sodium can be used in the research of gene transfection, drug carriers and drug delivery.

PEG2000-DMPE is a polyethylene glycol-lipid conjugate combined with phosphatidylethanolamine. PEG2000-DMPE undergoes a conformational transition from mushroom-like to brush-like at a concentration of 7 mol%, thereby exerting multiple functions such as inhibitor, stabilizer and surface defect modifier. PEG2000-DMPE can form a steric hindrance barrier on the vesicle surface to block calcium ion-induced liposome fusion, and dynamically regulate the fusion process through spontaneous transfer rate. PEG2000-DMPE can delay the thinning of foam thin liquid films and smoothly seal surface defects of solid support layers. PEG2000-DMPE can be used in the design and related research of stealth liposomes and micelles.

DSPE-PEG2000-Folate (DSPE-PEG2000 Folate) is a folate-containing PEG derivative. DSPE-PEG2000-Folate possesses targeting activity and binds to folate receptors in cancer cells. DSPE-PEG2000-Folate can be post-inserted into preformed liposomal bilayers to prepare folate-targeted liposomal formulations. DSPE-PEG2000-Folate forms micelles/lipid bilayers and can be used in studies of targeted drug delivery systems[2].

Cholesterol-PEG2000-MAL is a PEG derivative and can be used to prepare liposome or nanoparticle due to its ability to self-assemble in water. The maleimide moiety is reactive with thiol molecule to form a covalent thioether bond.

DSPE-PEG3400-Maleimide ammonium has DSPE phospholipid and maleimide to prepare nanostructured lipid carrier. DSPE-PEG3400-Maleimide ammonium can be used in drug delivery research.

DOPE-PEG2000-Mal is a phospholipid polyPEG which can be used to prepare liposomes or nanoparticles. It is also reactive with thiol at pH 6.5 tp 7.5 to form a stable thioether bond.

DSPE-PEG1000-Amine (DSPE-PEG1000-NH2) ammonium is a 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-polyethylene glycol conjugate with a terminal amino group. DSPE-PEG1000-Amine ammonium can functionalize the surface of PLGA-lecithin-PEG core-shell nanoparticles to introduce positive surface charges. The amino group of DSPE-PEG1000-Amine ammonium can be converted into an aromatic aldehyde to react with the acetone-protected aromatic hydrazide on the surface of bovine carbonic anhydrase (BCA) molecules.

m-PEG-DMG (MW 2000) is a PEG lipid for the preparation of liposomes and can be used in drug delivery studies.

DSPE-PEG5000-Amine (DSPE-PEG5000-ammonium) is an amino-functionalized PEGylated lipid. DSPE-PEG5000-Amine can be conjugated with chlorin e6 (Ce6) via EDC/NHS coupling. It can also be conjugated with FITC to prepare DSPE-PEG-FITC. DSPE-PEG5000-Amine is applicable to research related to PEGylated lipid functionalization and bioconjugation.

DSPE-PEG5000-NHS is a PEG-modified phospholipid derivative that can be used to prepare liposomes. DSPE-PEG5000-NHS is commonly employed as a linker molecule for the surface modification of liposomes to confer targeting capabilities. DSPE-PEG5000-NHS can be used in the study of drug delivery.

Cholesterol-PEG-Biotin (MW 2000) is a pegylated lipids which has strong binding to avidin or streptavidin.