Elastin, pig is a matrix protein abundantly present in the extracellular matrix, characterised by insolubility, amorphous structure, and extensive cross-linking. It provides organs and tissues with tensile and retractive capabilities and exhibits resistance to various proteases except elastase, commonly used as a biomaterial for tissue repair.

GelMA (Gelatin Methacryloyl), with a methacrylation degree of 90%, is a derivative obtained from the reaction of gelatin with chitin anhydride (methacrylic anhydride, MA). The hydrogel formed by Gelatin Methacryloyl exhibits excellent biocompatibility and biodegradability, along with light cross-linking capability and adjustable physical properties. Under the influence of the photoinitiator LAP (HY-44076), GelMA, 90% methacrylation, self-assembles into fibrous hydrogels targeting bioactive adhesion sites, providing inherent support and biodegradation activity to tissue cells. Its applications include cell culture, biological 3D printing, tissue engineering, drug delivery, and biosensor development.

2,5-Dioxopyrrolidin-1-yl 6-acrylamidohexanoate can be used as a cross-linking agent to immobilise matrix proteins on gel surfaces, enhancing cell-matrix interactions, and is widely applied in biochemical experiments and drug synthesis research.

I2959, widely known as Irgacure 2959, is a photoinitiator extensively used for ultraviolet light-induced photocrosslinking of hydrogels in biomedical applications and is particularly utilized in combination with carboxymethylcellulose (CMA) hydrogels as a bioink for bio 3D printing applications; furthermore, I2959 is recognized for its high radical generation efficiency under UV exposure but also exhibits concentration-dependent cytotoxicity to rapidly dividing cell lines.

TPO-L is a photoinitiator used in 3D printing resins, facilitating two-photon induced polymerization. The two-photon absorption cross-section spectrum of Lucirin TPO-L exhibits a peak of 1.2 GM at 610 nm. Although the two-photon absorption cross-section is relatively small, Lucirin TPO-L demonstrates a high polymerization quantum yield.

Poly-D-lysine hydrobromide (MW 150000-300000), is a synthetic polymeric substrate widely used in neural cell culture to enhance cell adhesion. Poly-D-lysine hydrobromide additionally functions as a calcium-sensing receptor (CaSR) agonist peptide, broadening its relevance in both cell biology and neurobiological research applications.

2-[2-(2-ethoxyethoxy)ethoxy]ethan-1-ol (Tri(ethylene glycol) monoethyl ether) is an organic solvent with high solubility and coupling properties, which can be used as a chemical synthesis intermediate for the preparation of ester derivatives, and is mainly used as a high-boiling solvent for paints, inks, dyes and resins.

DOPE-PEG-Mal (MW 1000) is a functionalized phospholipid derivative commonly used in the construction of liposomes and nanoparticles. Its terminal maleimide group allows for stable chemical conjugation with thiol-containing biomolecules (e.g., antibodies or peptides), while the PEG chain enhances the stability and prolongs the blood circulation time of the nanopharmaceuticals in vivo.

Methoxypolyethylene glycol maleimide (MW 10000) (MeO-PEG-Mal (MW 10000)) is a biochemical reagent.

Bromo-PEG8-bromide is a PEG derivative that is utilized in research applications such as drug delivery.

Endo-BCN-PEG2-Biotin is a PEG linker containing a BCN group and a terminal carboxylic acid. The BCN group shows high reactivity with azide-labeled molecules. Additionally, amino groups react effectively with carboxylic acids, activated NHS esters, and carbonyl compounds (ketones, aldehydes).

GelMA (Gelatin Methacryloyl), with 90% methacrylation and green fluorescence, is a modification of gelatin achieved by grafting fluorescent molecules onto the polymer. Green Fluorescent Gelatin Methacryloyl acts as a scaffold beneficial for creating tissue analogs ranging from the vascular system to cartilage and bone, promoting cell proliferation and diffusion. In the presence of the photoinitiator LAP, GelMA self-assembles into fibrous hydrogels that target bioactive adhesion sites, providing essential support and biodegradability for tissue cells. Applications encompass cell culture, bio 3D printing, tissue engineering, among others.

Silk fibroin, suitable for cell culture, is a widely used natural biopolymer ideal for cell culture. [Silk fibroin] serves as a scaffold material that meets specific requirements for biocompatibility, biodegradability, and tissue specificity.

Poly(ethylene glycol) dibenzoate (MW 410) is a derivative of polyethylene glycol (PEG).

Acrylate-PEG-NHS (MW 3500) is a photoreactive PEG compound that undergoes crosslinking when exposed to ultraviolet light, making it suitable for synthesizing PEG hydrogels.

HS-PEG-NH2 (Mn 3500) is a bifunctional crosslinker utilized in the synthesis of PEG hydrogels.

Biotin-PEG-NH2 (Mn 5300) can be utilized in the biotinylation of polymer worm micelles to facilitate targeted delivery and drug transport into cells.

PEG tosylate (MW 900) is a biochemical reagent that can be used as a biomaterial for life science related research and as a sulfonylation reagent for organic synthesis and drug discovery.

Polyethylene glycol dimethyl ether (MW=2000) is a polyethylene glycol derivative that can be used in the preparation of rigid gel electrolytes.

Polyethylene glycol dimethyl ether (MW=250) is a polyethylene glycol derivative utilized in the preparation of rigid gel electrolytes.

Poly(ethylene glycol) diacrylate (MW 575), with MEHQ as an inhibitor, is a derivative of polyethylene glycol. This compound is utilized to create cross-linked polymers.

Poly(ethylene glycol) diacrylate (MW 1500) [PEGDA (MW 1500)] is a derivative of polyethylene glycol. It is utilized in the formation of cross-linked polymers.

Poly(ethylene glycol) 2-mercaptoethyl ether acetic acid (Mn 5000) is a derivative of polyethylene glycol, applicable in bioconjugation, drug delivery, PEG hydrogels, crosslinking agents, and surface functionalization.

NH2-PEG-COOH (Mn 1100) is a bifunctional crosslinker utilized in the synthesis of PEG hydrogels.