Xi'an ruixi Biological Technology Co

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Catalog	name	Description	price
R-M2xa-9818	IR-820 hydrazide	IR-820 hydrazide is a chemically modified derivative of the near-infrared (NIR) dye IR-820, where a hydrazide functional group (-CONHNH₂) is introduced to enable reactive conjugation. Applications: Targeted imaging–conjugation to oxidized polysaccharides, proteins, or antibodies. Nanoparticle labeling–for in vivo tracking of drug delivery systems. Theranostics–as a dual imaging/therapy probe in NIR-guided treatments. Biosensing–coupling with aldehyde-functional substrates for fluorescence-based detection.	price>
R-C-7381	DOPE-PEG-SFHQFARATLAS	SFHQFARATLAS-PEG-DOPE,DOPE-PEG-HAP-1 can be used as a functional lipid component for constructing synovial targeted liposomes(such as HAP lipo),encapsulating anti-inflammatory drugs(such as NBD peptide,methotrexate)or small molecule inhibitors.DOPE acts as a lipid anchoring group and can be embedded into the bilayer of liposomes to enhance membrane fusion ability and carrier stability.PEG provides a hydrophilic invisible shell,prolongs blood circulation time,reduces immune system clearance.SFHQARATLAS(HAP-1)is an artificially synthesized synovial targeting peptide that can specifically recognize and penetrate inflammatory synovial fibroblasts(FLS),achieving active targeted delivery.This product is only for scientific research and cannot be used on the human body.	price>
R-M1-8185	NOTA-PEG550-SH	NOTA-PEG550-SH,1,4,7-Triazacyclononane-1,4,7-triacetic acid-PEG550-SH from kamulin.NOTA, is a triaza macrocyclic ligand that has shown to have potential to act as scintigraphic and PET (Positron Emission Tomog.) imaging agents.	price>
R-C-5802	PEI-Cholesterol MW:1800	Polyethylenimine(PEI)is a cationic polymer known for its ability to interact with negatively charged nucleic acids,such as DNA or RNA.It can condense and protect the nucleic acids from degradation,as well as facilitate their cellular uptake.However,the high positive charge of PEI can cause cytotoxicity and interfere with its delivery efficiency.	price>
R-M2-9819	mPEG2K-TK-Resveratrol	mPEG2K-TK-Resveratrol/Methoxy polyethylene glycol2k-TK-Resveratrol is a redox-responsive polymer–drug conjugate composed. Applications: Targeted drug delivery–for cancer or inflammatory diseases with elevated ROS. Nanocarrier precursor–for micelle or nanoparticle formation. Controlled release system–for antioxidant or anti-inflammatory therapy. Theranostics–when combined with imaging or additional functional moieties.	price>
R-C-7382	DSG-PEG-SFHQFARATLAS	SFHQFARATLAS-PEG-DSG,DSG-PEG-HAP-1,DSG can be assembled into carriers such as liposomes and nanomicelles,significantly improving the encapsulation efficiency and carrier stability of hydrophobic drugs.The PEG chain endows it with good biocompatibility,which can avoid macrophage phagocytosis and prolong the circulation time of the carrier in vivo,SFHQARATLAS(HAP-1)is an artificially synthesized synovial targeting peptide that can specifically recognize and penetrate inflammatory synovial fibroblasts(FLS),achieving active targeted delivery.This product is only for scientific research and cannot be used on the human body.	price>
R-M1-8186	NOTA-PEG750-SH	NOTA-PEG750-SH,1,4,7-Triazacyclononane-1,4,7-triacetic acid-PEG-SH from kamulin.NOTA, is a triaza macrocyclic ligand that has shown to have potential to act as scintigraphic and PET (Positron Emission Tomog.) imaging agents.	price>
R-C-5803	MPEG2k-PCL2k-PEI1.8k	PEI is a cationic polymer known for its ability to interact with negatively charged molecules such as DNA and RNA.It can condense DNA or RNA into compact nanoparticles,protect the cargo from degradation,and facilitate its cellular uptake.The hydrophilic MPEG2k improves the stability and circulation time,whereas the hydrophobic PCL2k contributes to cargo encapsulation.	price>
R-M2-9820	Cholesterol-TK-MAL	Cholesterol-TK-MAL is a cholesterol-conjugated, redox-responsive linker molecule. Applications: Targeted liposome modification–attach thiol-bearing ligands for precision delivery. Stimuli-responsive nanocarriers–redox-sensitive release in tumor microenvironments. Prodrug systems–cholesterol insertion plus cleavable linker for controlled drug release. Surface functionalization–of micelles, lipid nanoparticles, or hybrid systems.	price>
R-C-7383	DOPS-PEG-SFHQFARATLAS	DOPS-PEG-HAP-1,DOPS-PEG is an amphiphilic molecule formed by covalently linking diacylphosphatidylserine(DOPS)and polyethylene glycol(PEG),widely used in the construction of drug delivery systems such as liposomes and micelles.The uniqueness of HAP-1 peptide lies in its combination of targeting and penetration properties,unlike ordinary ligands that can only bind to surface receptors.This product is only for scientific research and cannot be used on the human body.	price>
R-M1-8187	DMG-PEG-Mannose	DMG-PEG-Mannose ,1,2-Dimyristoyl-sn-glycerol-methoxypolyethylene glycol-Mannose from kamulin.	price>
R-C-5804	PAMAM 4.5-COOH	Poly(amidoamine) (PAMAM) dendrimers,known as artificial proteins, have unique and well-defined molecular size and structure. It has previously been used to mimic protein-crystal interaction during biomineralization.Generation 4.5(4.5G)PAMAM with carboxylic acid(PAMAM-COOH)was synthesized and utilized to remineralize the surface of etched enamel in vitro.	price>
R-M2-9821	CY2-vitamin B12	CY2-Vitamin B12 is a fluorescently labeled vitamin B12 (cobalamin) conjugate, where CY2, a green-emitting cyanine dye (Ex/Em ≈ 490/510 nm), is covalently attached to vitamin B12. Applications: Cellular uptake studies – trace vitamin B12 internalization pathways. Targeted drug delivery – use B12 as a targeting ligand for cancer or deficiency-related therapies. In vitro and in vivo imaging – track B12 conjugates in biological systems. Diagnostic probes – for B12 receptor expression profiling.	price>
R-C-7384	Mannose-cholesterol-chitooligosaccharides	Mannose-cholesterol-chitooligosaccharides is a composite molecule that combines the functional units of mannose,cholesterol,and chitooligosaccharides. By utilizing the targeting ability of mannose to immune cells and the adjuvant effect of chitooligosaccharides,it can be used to design dendritic cell targeted vaccine carriers,improve antigen presentation efficiency,and enhance immune response.This product is only for scientific research and cannot be used on the human body.	price>
R-M1-8188	FAM-Alginate Oligosaccharide	FAM Alginate Oligosacharide,fluorescein-Alginate Oligosaccharide is a fluorescent marker.	price>
R-C-5805	DMPE-CY3	DMPE is a type of phospholipid that contains two myristoyl fatty acid chains. It is commonly used in liposome formulations due to its ability to self-assemble into liposomal structures.DMPE provides stability and structural integrity to liposomes and can also be incorporated into cell membranes.CY3 is a cyanine dye that emits in the red range of the visible spectrum(around 570-590 nm)when excited with an appropriate wavelength.	price>
R-M2-9822	Biotin labeled L-Ascorbic acid	Biotin labeled L-Ascorbic acid/Biotin-L-ascorbic acid is a biotinylated form of vitamin C (L-ascorbic acid), where a biotin moiety is covalently conjugated to the ascorbic acid molecule. This enables specific binding via the biotin-avidin/streptavidin interaction without significantly altering the core antioxidant properties of L-ascorbic acid (depending on conjugation site). Applications: Targeted delivery systems-conjugation to liposomes, micelles, or nanoparticles via biotin–avidin chemistry. Affinity purification or capture assays-immobilizing vitamin C on biotinylated platforms. Imaging and tracking-monitoring vitamin C distribution in biological systems. Biosensor development-for redox or antioxidant studies.	price>
R-C-7385	PVP58000-N3	Polyvinyl pyrrolidone azides(PVP-azides)are a type of functionalized polymer material that introduces azide groups(-N3)onto the PVP molecular chain.They combine PVPs excellent water solubility,biocompatibility, and click chemistry reactivity with azide groups,replacing some hydrogen or functional groups on the pyrrolidone side chain with azide groups(-N3),forming active sites that can participate in copper catalyzed azide alkyne cycloaddition reactions (CuAAC).This product is only for scientific research and cannot be used on the human body.	price>
R-M1-8189	DBCO-PEG12-NHS	DBCO-PEG12-NHS,DBCO-polyethylene glycol12-N-hydroxylsuccinimide ester from ruixi.Dbco (dibenzocyclooctyne) is a kind of cycloalkyne.It can react with azide through strain promoted 1,3-dipolar cycloaddition in aqueous solution.This biorthogonal reaction is also called copper free click reaction.This reaction has excellent selectivity and biocompatibility,so complementary reagents can form covalent bonds with functional biological systems.Copper free click reaction has always been a powerful tool for catalyst free bioconjugation.Dbco reagent has fast affinity and stability in aqueous buffer,which can be used to label azide modified biomolecules with high specificity and reactivity.Active esters modify molecules with primary amines.	price>
R-C-5806	PEI1800-COOH	PEI-COOH,PEI is a cationic polymer known for its high affinity to negatively charged molecules, such as DNA, RNA, or siRNA. It can condense and protect these nucleic acids, enabling efficient cellular uptake and gene delivery. However, unmodified PEI has been associated with cytotoxicity due to its strong positive charge.	price>

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