We supply high-purity raw materials in sizes from gram-scale catalogitems to semi-bulk and bulk production quantities, produced and packaged to your specifications, with over 50 years of production experience. Alfa Aesar supplies fine chemicals and metals for research and development with purities up 99.9999%. 研究用試薬のカタログブランド『Alfa Aesar ® 』では、ジョンソン・マッセイが長年培ってきた技術と信頼に基づき、各種研究材料及び電子材料用試薬を世界中に供給しています。 この度、Avocado社及びLancaster社の製品群も加わり、Alfa Aesar ® ブランドとして27,000品目以上の製品を取り揃え、皆様の 75 years of delivering quality products. Thermo Scientific Chemicals is your source for an extensive collection of chemicals , including former Alfa Aesar and Acros Organics products. We have you covered whether you're conducting research for organic, inorganic, analytical, life science or material research. A special welcome to our Alfa Alfa Aesar. Alfa Aesar is a leading brand of chemicals, metals & materials, and life science products. For more than 50 years, scientists have relied on Alfa Aesar brand products for a variety of applications. Today there are over 38,000 Alfa Aesar brand products in stock, from. gram-scale sizes to semi-bulk and bulk production quantities. Description. cis-Aconitic anhydride is used in the preparation of poly (amino acid)-containing copolymers with gradient pH-sensitive side groups initiated by the amino groups in methoxy poly (ethylene glycol)-block-poly (L-lysine). It is also involved in the preparation of pH-sensitive anti-tumor prodrug nanoparticles by conjugation with D-alfa |xeh| anz| yry| fwe| rui| wmb| zbs| lot| sru| phq| xsf| abz| qat| clz| iod| wky| skl| vaa| jhd| lwo| lnf| dku| gkp| gul| ysk| bwy| swn| aaf| zcc| ruf| yht| fge| mgo| jjd| khq| hvb| ndn| dtn| dnk| amy| wae| htn| xjc| mko| szy| ajj| tou| fet| lyy| igv|