Xi'an ruixi Biological Technology Co

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Catalog	name	Description	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>
R-M2-9823	Zein-peg5k-mal	Zein-PEG5K-Mal/Zein-PEG5000-Maleimide is a bioconjugate consisting of zein (a hydrophobic plant-derived protein), a 5 kDa polyethylene glycol (PEG) linker, and a terminal maleimide (Mal) group. The PEG spacer enhances water solubility and biocompatibility, while the maleimide moiety allows specific conjugation to thiol groups (-SH) via Michael addition. Applications: Targeted drug delivery systems----zein nanoparticles with surface thiol-reactive sites for active targeting. Protein or peptide conjugation ----to introduce ligands for receptor-mediated delivery. Nanocarrier stabilization---- improving aqueous dispersion and stealth properties. Theranostics----as a platform for co-loading therapeutic and imaging agents.	price>
R-C-7386	NH2-PMeOx-NH2	NH2-PMeOx-NH2 is a poly(methyl methacrylate)oxyethyl ester polymer with double terminal amino groups,which combines the properties of poly(methyl methacrylate) oxyethyl ester with the reactivity of amino groups.Polyethylene methacrylate has good biocompatibility,hydrophilicity,and anti fouling properties.The amino groups at both ends act as highly active functional groups and can react chemically with various compounds containing carboxyl,aldehyde,epoxy,and other groups.This product is only for scientific research and cannot be used on the human body.	price>
R-M1-8190	PNU159682-EDA-Gly3	PNU159682-EDA-Gly3, a drug-linker conjugate for ADC, consists a cleavable ADC linker EDA-Gly3 and a potent ADC cytotoxin PNU-159682.	price>
R-C-5807	PVP40K-COOH	PVP-COOH,Polyvinyl pyrrolidone-carboxylic acid (PVP-CA) is a copolymer that combines two different monomers:polyvinyl pyrrolidone(PVP)and carboxylic acid(CA)functional groups. PVP is a water-soluble polymer widely used in pharmaceuticals, cosmetics, and personal care products due to its excellent film-forming, stabilizing,and solubilizing properties.On the other hand, carboxylic acid groups contain a carboxyl functional group(-COOH),making them hydrophilic and capable of forming ionic interactions.	price>
R-M2-9824	Cy5-Vitamin C	Cy5-Vitamin C (Cy5-Labeled L-Ascorbic acid ) is a fluorescently labeled derivative of L-ascorbic acid (vitamin C), where a Cy5 cyanine dye (Ex/Em≈650/670 nm) is covalently conjugated to vitamin C. This modification allows for near-infrared (NIR) fluorescence imaging while retaining part of antioxidant of vitamin C or redox properties depending on the conjugation site. Applications: In vivo and in vitro imaging–monitor vitamin C biodistribution and uptake. Targeted delivery systems–conjugation to nanoparticles or liposomes for NIR tracking. Antioxidant therapy studies–visualize redox activity in cells or tissues. Biosensing platforms–detect redox changes with fluorescent readout.	price>
R-C-7387	DSPE-PEG-YAGKLLISLSEERISAHHVP-FITC	DSPE-PEG-YAGKLLISLSEERISAHHVP-FITC,it is a multifunctional fluorescent labeled nanocarrier material based on the phospholipid polyethylene glycol(DSPE-PEG)skeleton, constructed by coupling fluorescein labeled peptide YAGKLLISLSERISAHHVP to the end of DSPE-PEG.It is commonly used in targeted imaging and drug delivery system research.This product is only for scientific research and cannot be used on the human body.	price>
R-M1-8191	mPEG2K-TK-OH	Thioketal(TK) has the characteristics of active oxygen reaction.In ROS environment, the chemical bond of keto mercaptan breaks, forming ketone and mercaptan, realizing drug release. As the final product, mPEG2K-TK-OH has ROS response characteristics, so as to realize the drug delivery system.	price>
R-C-5808	CIS/ZnS QDs	CIS/ZnS quantum dots(QDs)are a type of semiconductor nanocrystals composed of copper indium disulfide(CIS)as the core material and a zinc sulfide (ZnS) shell.These QDs have gained significant attention in the field of optoelectronics and materials science due to their unique optical properties.By adding a ZnS shell,the QDs optical properties can be further improved due to increased stability,enhanced photoluminescence quantum yield,and reduced surface defects.The ZnS shell also acts as a barrier,preventing the diffusion of heavy metal ions from the CIS core and mitigating potential toxicity concerns.	price>
R-M2-9825	RB-taurine	RB-taurine/Rhodamine B-Taurine/Taurine-Rhodamine B/Taurine,Rhodamine B labed is a fluorescent conjugate in which Rhodamine B, a xanthene-based dye (Ex/Em≈540/625 nm), is covalently linked to taurine, a sulfonic acid–containing amino acid. This conjugation provides a highly fluorescent, water-soluble probe with potential bioactive properties from taurine. Applications: Cellular imaging & uptake studies–track taurine transport and biodistribution. Targeted delivery research–as a model to study taurine-mediated targeting. Biosensor and assay development–fluorescence-based detection of taurine pathways. Drug delivery systems–potential incorporation into liposomes or nanoparticles for dual functionality.	price>
R-C-7388	DSPE-PEG-YAGKLLISLSEERISAHHVP	DSPE-PEG2000-YAGKLLISLSEERISAHHVP,DSPE-PEG-YAGKLLISLSERISAHHVP is a functionalized phospholipid polyethylene glycol conjugate primarily used for constructing targeted nanomedicine delivery systems,particularly demonstrating potential in ovarian mitochondrial targeted therapy.YAGKLLISLSERISAHHVP is an ovarian granulosa cell specific targeting peptide that can recognize and bind to cells expressing AMHR Ⅱ,achieving precise drug delivery in ovarian tissue.This product is only for scientific research and cannot be used on the human body.	price>
R-M1-8192	cRGD-PEG5K-TK-NH2	CRGD-PEG5K-TK-NH2 is a peptide modified reactive oxygen species peg linked compound.Thioketal(TK) has the characteristics of active oxygen reaction.In ROS environment, the chemical bond of keto mercaptan breaks, forming ketone and mercaptan, realizing drug release. As the final product, cRGD-PEG5K-TK-NH2 has ROS response characteristics, so as to realize the drug delivery system.	price>
R-C-5809	DPPS-Para phenylborate ester	1,2-Dipalmitoyl-sn-glycero-3-phosphoserine, sodium salt (DPPS) is a form of phosphatidylserine (PS), a negatively charged phospholipid located in the inner leaflet of the cell membrane.	price>
R-M2-9826	cRGDfk-PEG600-MAL	cRGDfk-PEG600-Mal/cRGDfk-PEG600-Maleimide/Maleimide-PEG600-cRGDfk is a targeted, thiol-reactive bioconjugate composed. Applications: Targeted liposomes or nanoparticles–for cancer drug delivery and imaging. Protein or antibody conjugation–site-specific thiol coupling. Theranostic systems–dual targeting and imaging/therapy platforms. Surface modification–for implantable devices or biosensors targeting integrin-rich tissues.	price>
R-C-7389	DSPE-PEOz-DBCO	DSPE-PEOz2000-DBCO,DBCOPEOz2000-DSPE,DSPE-PEOz-DBCO as an intricately structured amphiphilic block copolymer, exhibits unique physical and chemical behavior. Its molecular skeleton is composed of hydrophobic distearoyl phosphatidylethanolamine (DSPE)and hydrophilic poly(2-ethyl-2-oxazoline)(PEOz)connected by stable covalent bonds,and modified with dibenzocyclooctyne(DBCO)functional groups at the end.This design not only endows the material with good self-assembly ability, but also exhibits excellent micelle formation tendency in aqueous environments.This product is only for scientific research and cannot be used on the human body.	price>

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