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Cesium chloride (CsCl) is considered to be the most toxic of the alkali chlorides, inhibiting fungal growth.

Sucrose-epichlorohydrin copolymer (Polysucrose 400) is a high molecular weight polymer of sucrose co-polymerized with epichlorohydrin for density gradient separation of cells, cell membranes, organelles, and viral cells and protein liqudi-liquid phase separation (LLPS).

Phospholipid-PEG-Biotin (MW 1000 and MW 3400) is a derivative of a phospholipid and PEG, featuring a biotin moiety and a phospholipid connected via a linear PEG linker. This compound, particularly with a molecular weight of 3400, is capable of interacting with avidinylated antibodies. It finds applications in modifying the surface of liposomes, cells, and pancreatic islets, making it useful in cell transplantation [1] [2] [3].

PLGA-PEG-MAL (60kDA-3.4kDA, LA:GA ratio 75:25) is a PLGA-PEG-Mal nanoparticle comprising poly(lactic-co-glycolic acid) and polyethylene glycol blocks. Its molecular weight is 60kDA-3.4kDA, with a composition ratio of lactic acid (LA) to glycolic acid (GA) molecules at 75:25.

Poly(acrylic acid) is a form of polyacrylic acid characterized by a molecular weight of 2000.

Poly(acrylic acid) (MW 450000) is a 450000 molecular weight anionic polymer. It serves as a corrosion inhibitor and surface stabilizer.

Polyvinyl alcohol (Mw 85000–124000, 99+% hydrolyzed) is a polyvinyl compound with a molecular weight of 85000 to 124000, characterized by its hydrolysis properties. The degree of hydrolysis refers to the conversion rate of acetate groups in polyvinyl acetate to hydroxyl groups. This compound is obtained by polymerizing vinyl acetate and subsequently removing acetate groups through hydrolysis. Polyvinyl alcohol with varying degrees of hydrolysis is used for self-crosslinking to form cryogels and serves as a bioadditive.

Polyvinyl alcohol (Mw 13000-23000, 87-89% hydrolyzed) is a water-soluble polymer with a molecular weight ranging from 13000 to 23000, characterized by its degree of hydrolysis. The hydrolysis degree refers to the conversion rate of acetate groups in the original polyvinyl acetate into hydroxyl groups. This compound is derived from the polymerization of vinyl acetate followed by the removal of acetate groups, resulting in polyvinyl alcohol. With a hydrolysis degree of 87-89%, a significant portion of acetate groups are replaced by hydroxyl groups, enhancing this polymer's capacity to form crosslinked structures in cryogels, making it suitable as a bio-additive.

Polyvinyl alcohol (Mw 85000-124000, 87-89% hydrolyzed) is a polymer with a molecular weight of 85000-124000, known for its hydrolytic properties. The degree of hydrolysis indicates the conversion rate of acetate groups into hydroxyl groups from the original polyvinyl acetate. Polyvinyl alcohol is produced through the polymerization of vinyl acetate, followed by the hydrolysis that removes acetate groups, resulting in the formation of polyvinyl alcohol. An 87-89% degree of hydrolysis demonstrates the significant removal of acetate groups, creating a substantial number of hydroxyl groups within the PVA structure. Polyvinyl alcohol with different degrees of hydrolysis can form self-crosslinked cryogels, used as bio-auxiliary materials.

Poly(acrylic acid) (Mv 4000000) is a high molecular weight polymer of acrylic acid, specifically with a molecular weight of 4,000,000, and it functions as an anionic polymer. This compound serves as a corrosion inhibitor and surface stabilizer, and can also be utilized as a biomaterial or organic compound in life science research.

PEG35000 is a polyethylene glycol with a molecular weight of 35,000, used as a carrier material and modifier in drug delivery systems.

PVA (Mw 67000, 87-89% hydrolyzed, ～1400 polymerization) is a form of polyvinyl alcohol with a molecular weight of 67000 and hydrolytic properties. The degree of hydrolysis indicates the rate at which acetate groups in the original polyvinyl acetate are converted to hydroxyl groups. This PVA is obtained by polymerizing vinyl acetate and subsequently removing the acetate groups through hydrolysis. Polyvinyl alcohols with varying degrees of hydrolysis can be used in self-crosslinking to form freeze gels, which are utilized as biological excipients.

Poly(acrylic acid) (Mv 3000000) is an anionic polymer with a molecular weight of 3,000,000. It can function as a corrosion inhibitor and surface stabilizer. Additionally, Poly(acrylic acid) (Mv 3000000) is suitable for use as a biomaterial or organic compound in life science research.

Cross-linked dextran G 150 is a hydrophilic gel used as a gel filtration medium, with a particle size range of 40-120 μm and suitable for separating spherical proteins within a molecular weight range of 5k-300k Da.

PLGA-PEG-MAL (20kDa-5.0kDa, LA:GA ratio 50:50) is a poly(lactic-co-glycolic acid) block copolymer (PLGA-PEG-Mal) nanoparticle. Its molecular weight is 20kDa-5.0kDa, with a lactic acid (LA) to glycolic acid (GA) ratio of 50:50. This ratio influences the degradation rate of the matrix and the re-release rate of proteins.

DSPE-PEG-OH, with a molecular weight of 3400, is an amphiphilic and polydisperse PEG that spontaneously self-assembles in aqueous solutions. This polymer is utilized in the formulation of liposomes for targeted drug delivery. Reagent grade, for research use only.

DSPE-PEG-SPDP, with a molecular weight of 3400, is an amphiphilic polydisperse PEG capable of forming lipid bilayers in water. This compound is useful for encapsulating therapeutic agents, such as hydrophilic nutrients [proteins peptides, mRNA DNA siRNA] or hydrophobic drugs, and is intended for reagent-grade research use only.

DSPE-PEG-FITC, with a molecular weight of 3400, is a PEG lipid conjugated with fluorescein, suitable for preparing liposomes as drug carriers for targeted delivery. FITC is a green dye with a peak absorption at 494 nm and maximum emission at 520 nm, ideal for staining biological samples or nanoparticles.

DSPE-PEG-NHS, with a molecular weight of 1,000, is an amine-reactive phospholipid. The reaction between the NHS ester and an amine results in a stable amide bond. This polymer is amphiphilic, enabling it to form micelles or lipid bilayers in aqueous solutions.

PVA (Mw 125000, 98-99% hydrolyzed, ～2800 polymerization) is polyvinyl alcohol with a molecular weight of 125000 and has hydrolytic properties. The degree of hydrolysis refers to the conversion percentage of acetyl groups in the original polyvinyl acetate to hydroxyl groups. PVA of this specification is derived from the hydrolysis of polyvinyl acetate after polymerization, removing acetyl groups to yield polyvinyl alcohol. PVA with varying degrees of hydrolysis can be used in self-crosslinking formulations to create freeze gels, which serve as biological excipients.

PVA (Mw 145000, 99+% hydrolyzed, ～3300 polymerization) is a polyvinyl alcohol with a molecular weight of 145000, exhibiting hydrolytic properties. The degree of hydrolysis refers to the conversion rate of acetyl groups into hydroxyl groups in the original polyvinyl acetate. PVA is produced by the polymerization of vinyl acetate, followed by hydrolysis to remove acetyl groups. Polyvinyl alcohols with varying degrees of hydrolysis can be utilized in forming self-crosslinked cryogels, which serve as bio-auxiliary materials.

PVA (Mw 27000, 98-99% hydrolyzed, ～600 polymerization) is a polyvinyl alcohol with a molecular weight of 27000, characterized by its hydrolyzed nature. The degree of hydrolysis indicates the conversion rate of acetate groups to hydroxyl groups from the original polyvinyl acetate. PVA is produced by polymerizing vinyl acetate and subsequently hydrolyzing to remove acetate groups, yielding polyvinyl alcohol. Polyvinyl alcohol with various degrees of hydrolysis can be used for self-crosslinking to form cryogels, applied as biological excipients.

PVA (Polyvinyl alcohol) (Mw 205000) is a polyvinyl alcohol with a molecular weight of 205000, utilized as a bio-auxiliary material. PVA (Mw 205000) exhibits excellent optical properties, high dielectric strength, and exceptional charge storage capabilities, making it suitable as an embedding pad and matrix for metal inorganic nanofillers, applicable in sensing, optoelectronic devices, and numerous other uses.

PVA (Mw 195000, 98-99% hydrolyzed, ～4300 polymerization) is a polyvinyl alcohol with a molecular weight of 195000 that exhibits hydrolytic properties. The degree of hydrolysis refers to the conversion rate of acetate groups into hydroxyl groups in the original polyvinyl acetate. PVA (Mw 195000, 98-99% hydrolyzed, ～4300 polymerization) is produced by polymerizing vinyl acetate and then hydrolyzing to remove acetate groups, yielding polyvinyl alcohol. Polyvinyl alcohol with varying degrees of hydrolysis can form self-crosslinking freeze gels and is utilized as a biological excipient.