98-96-4

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细胞凋亡是指细胞在生长到一定阶段及某些生理过程中，会受到多因素和机制的严格调控而进入死亡。这是一个动态的过程,会涉及一系列复杂的生化反应, 是一个需要酶参与的级联反应,同时也涉及不同基因的表达及调控、信号传导。其中有几项生理过程能被用来检测凋亡的发生，因此多参数分析法对于准确检测这一过程十分重要。同时，了解细胞死亡和存活机制也是毒理分析和药物研发应用中一个非常关键的内容。

PYBOX配体 - 大结合位点和刚性支架

PYBOX配体由吡啶环侧接两个恶唑啉基团组成，由Nishiyama在1989年合成成功。

Buchwald催化剂和配体_预催化剂_化学试剂-默克生命科学

默克可为您的突破性想法提供无与伦比的Buchwald产品线。我们很荣幸为您提供整个Buchwald产品线，帮助您减免合成工艺之中不同反应规模或步骤的专利税。

C₂型轴对称手性双噁唑啉（BOX）配体

使用络合Cu(I)OTf的BOX配体进行不对称催化苯乙烯合成氮杂环丙烷的反应，BOX配体带苯基取代基的优于具有位阻需求的叔丁(t-Bu)基团。

β-肾上腺素能受体

β-肾上腺素受体可被去甲肾上腺素或肾上腺素激活。详细了解β-肾上腺素受体在蛋白质表达、细胞信号传导和代谢研究中的作用。

烯烃复分解_催化剂_化学试剂-默克生命科学

默克已经与Umicore PMC达成合作伙伴关系，为您提供一系列优质化学合成用烯烃复分解催化剂。我们的广泛合作让您不但可以直接享用Umicore的Grubbs Catalyst® 技术。

镍催化剂

从形成碳-碳键的交叉偶联反应，到用兰尼镍催化剂还原富含电子的碳键的反应，镍催化在许多合成转化中起着核心作用。这些镍催化剂具有多种氧化态：镍（0）、镍（II）、镍（III）和镍（IV）。可直接购买的Ni催化剂类型包括：铝镍（Al Ni）合金、水合铵镍、Ni COD、Ni卤化物（氯化物、溴化物、氟化物和碘化物）、Ni环戊二烯基、镍金属、乙酰丙酮化镍和由W.R. Grace and Company生产的兰尼镍催化剂。

啤酒中的二氧化硫含量测定含量

使用埃尔曼试剂分光光度法测定啤酒中的二氧化硫(SO2)含量Spectroquant® 亚硫酸盐测试盒分析方法和样品制备。

Stable Isotopes

ISOTEC® Stable Isotopes are stable isotope compounds, ranging from gases to complex molecules, that are useful for tracer studies in proteomics and metabolomics, agents for MRI / MRS, and in a wide range of other biomedical applications.

神经氨酸酶酶促检测方法

在测定神经氨酸酶活性时，使用了一种以N-乙酰新胺酸为酶底物的比色法进行测定。神经氨酸酶是一种可促进流感病毒从感染细胞中释放的水解酶。

手性磷酸：用途广泛的多功能有机催化剂

TRIP和TiPSY手性磷酸催化剂

感应染料

一氧化氮 (NO) 是神经元、内皮细胞和免疫系统中的信号转运分子。

Lipopolysaccharides

Lipopolysaccharides (LPS) are characteristic components of the cell wall of Gram negative bacteria; they are not found in Gram positive bacteria. They are localized in the outer layer of the membrane and are, in noncapsulated strains, exposed on the cell

磷酸酶抑制剂混合物

磷酸酶抑制剂对于所有类型的磷酸化研究都至关重要。对比磷酸酶抑制剂混合物，选择更适合您的研究的产品。

半胱氨酸蛋白酶——木瓜蛋白酶的特性和产品

木瓜蛋白酶是肽酶C1家族的一种半胱氨酸蛋白酶。它由单一多肽链组成，含有三个二硫键和一个酶活性所必需的巯基。

适用于高效稳定的染料敏化太阳能电池的有机染料

在过去的十年中，染料敏化太阳能电池 (DSSC) 备受关注，因为此类非常规太阳能电池不仅性能出众，而且还具有低成本生产的潜力。

NHC配体_NHC辅助配体_配合物_化学试剂-默克生命科学

默克稳定且耐受的NHC配体和配合物可用作有效的辅助配体，帮助您有机金属催化和催化化学的研究。

MSI检测和IHC

结直肠癌是大多数西方国家居民中普遍发生的疾病，仅次于肺癌。

杂化钙钛矿太阳能电池最新进展

近几十年来，人们对于环境可持续、商业可行的能源的迫切需求，催生并推动了大量致力实现低生产成本、高能效发电系统的研究工作。

PYBOX Ligand - Large Binding Site & Rigid Scaffold

The PYBOX ligand, consisting of a pyridine ring flanked by two oxazoline groups, was introduced in 1989 by Nishiyama.

384- vs. 96-Well Multiplex Analysis of Low-Level Cytokines | MILLIPLEX^® Assays

High sensitivity multiplex panels allow researchers to detect low-level cytokines and study multiple cytokines at once to dive deeper into low-level inflammation processes. See a performance comparison of the 384-well assay and the 96-well assay formats for the MILLIPLEX® Human

An Introduction to A-Phos, its Applications and Advantages

Ligand used to prepare a palladium dichloride catalyst on treatment with PdCl2(COD). The catalyst effectively cross-couples aryl boronic acids with heteroaryl chlorides.

Olefin Metathesis

Explore our exceptional portfolio of olefin metathesis catalysts and take advantage of Grubbs’ technical expertise to advance your research and breakthrough synthesis ideas.

Separation Options with Superose®

Separation options for Size Exclusion Chromatography with Superose from Cytiva.

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.

Analysis of Active Cannabis Compounds in Edible Food Products: Gummy Bears and Brownies

Potency testing in marijuana-infused edibles is an important problem that analytical labs are facing due to the complexity of the involved matrices. Concentration of active ingredients in these edibles can range from a few parts per million to 3.5 parts

Inserting Gels into Ettan™ DALT Electrophoresis Units

This protocol shows how to insert gels into Ettan™ DALT electrophoresis units.

dPCR Protocol

The Bio-Rad digital droplet system is based on oil emulsification technology and uses a standard 96-well plate format. Each sample is partitioned into 20,000 reactions, yielding a total of 1.9 million reactions per plate.

Improving the Chromatographic Separation of DMB-Labeled Sialic Acids for the Comparison of Biosimilars to Reference Materials

A significantly improved HPLC-fluorescence method for DMB-NANA and -NGNA, and application of this method to compare 2 candidate biosimilar therapeutic proteins to their respective RMs.

Universal ProbeLibrary System Performance Data

Design Intron-Spanning Assays that Work the First Time

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