1131-62-0

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New NHC–Pd Complexes for Challenging Aryl Chloride Couplings

Air- and moisture-stable NHC–Pd palladates showed high activity in key couplings, matching or exceeding many PEPPSi and other NHC-Pd precatalysts.

Flavors and Fragrances New Product Offerings

As a leading global supplier of new flavor and fragrance ingredients, we are dedicated to providing you with high-quality aroma chemicals comprising of certified food grade, IFRA, natural, kosher, and halal ingredients.

HybriScan®快速微生物检测系统

快速分子筛查饮料、水、废水和食品中的微生物

Biginelli Reaction

The Biginelli Reaction is an acid-catalyzed, three-component reaction between an aldehyde, b-ketoester, and urea that produces tetrahydropyrimidones, which have potential pharmaceutical applications.

Thermal Transitions of Homopolymers: Glass Transition & Melting Point

Literature values for the glass transition temperature, (Tg), and melting temperature, (Tm), are given for the more common homopolymers.

Sample Preparation for Affinity Chromatography in Specific Groups of Biomolecules

Carreira DOLEFIN Ligands

The selective preparation of diarylmethine stereogenic centers is a challenging endeavor in chemical synthesis, especially when there is little differentiation between the two aryl groups

胰蛋白酶抑制剂

天然胰蛋白酶抑制剂也称为丝氨酸蛋白酶抑制剂（serpins），是最大和最多样化的蛋白酶抑制剂家族。Serpins通过抑制体内丝氨酸蛋白酶来控制蛋白质的活化和分解代谢。

使用PEPscreen®多肽研究AAV-hF.IX基因治疗的CTL MHC I类和Th II类免疫应答

重组腺相关病毒(AAV)载体介导的人凝血因子IX(hF.IX)表达基因治疗是一种前景可期的基因转移策略，因其使用肝脏特异性启动子，可实现hF.IX在肝脏中的长期表达和弱免疫应答。但在人类和某些动物中，F.IX表达会随着时间推移而下降，并且载体和转基因会诱发免疫应答。

乙酰胆碱合成及代谢

乙酰胆碱由胆碱乙酰转移酶从乙酰辅酶A和胆碱合成而来。用于生成乙酰胆碱的胆碱除了在肝脏中合成外，还来源于膳食。

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