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50-71-5

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关键词:'50-71-5'
显示 1-30 共 46 条结果 关于 "50-71-5" 范围 网站内容
四唑盐法(MTT)细胞活力和增殖检测方案
检测细胞活力、生长增殖和毒性的四唑盐法(MTT)。四唑盐(MTT)试剂制备说明和应用示例。
傅-克酰基化反应
傅-克酰基化反应是一种芳烃与酰氯或酸酐使用强路易斯酸催化剂的反应。该反应通过亲电芳族取代进行,形成单酰化产物。
PCR/qPCR/dPCR实验设计
整个PCR工作流程易受引入变量的影响。许多变量无法避免,例如样本来源和逆转录步骤的要求。实验设计也波动较大,可能决定PCR的成败,影响实验的可重复性和灵敏度。
缬沙坦中的N-亚硝胺测定
亚硝胺经证是沙坦家族活性药物成分 (API) 中的一种严重污染物。本文介绍了一种根据美国 FDA 指南测定缬沙坦片中亚硝胺含量的 GC-MS 方法,适用于药品质量控制。
核酸标记
用于RNA和DNA标记的核酸和地高辛(DIG)DNA技术结合比色、发光或荧光信号检测可实现高灵敏度和低背景。
Prestige Antibodies®抗体在乳腺癌研究中的应用
人类蛋白质图谱;Prestige Antibodies®抗体;Polyclonals多克隆抗体和Monoclonals单克隆抗体;临床标志物;用于乳腺癌研究的抗体
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。
推荐单核细胞标准分离方法
以下操作步骤已接受Ficoll-Paque PLUS评估,推荐用于分离正常血样以尽可能提高可重现性。
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。
FITC标记多糖
包括FITC-葡聚糖、FITC-DEAE-葡聚糖(FDD)、FITC-羧甲基 - 葡聚糖(FCM-葡聚糖)在内的FITC标记多糖的补充信息。本页面主要介绍了重均分子量对于对应分子尺寸和其他物理性质的影响
Optimize Sample Performance with the SMC® Plate Washer Evaluation Kit
Learn how to optimize your plate washer performance with the SMC® Plate Washer Evaluation Kit and assay precious samples with confidence.
Analysis of Fluorescent Dyes Used for Labeling DNA in Microarray Experiments
An article concerning Analyzing Properties of Fluorescent Dyes for Labeling DNA in Microarray Experiments presented by Sigma-Aldrich.com
Detection of Campylobacter spp. and Enterobacter Sakazakii in Food with a New Test Kit System
Detection of Campylobacter spp. and Enterobacter sakazakii in food with a new test kit system.
Trimethyl(trifluoromethyl)silane (Ruppert–Prakash Reagent)
Technical article for Trimethyl(trifluoromethyl)silane (Ruppert–Prakash Reagent)
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.
NHC-based Palladium Catalysts
In collaboration with Umicore AG and Co.,1 we are pleased to offer a series of robust Pd(II) and Pd(0) complexes employed as the linchpin in C–C bond forming reactions.
Chymotrypsin
Analytical Enzyme Chymotrypsin: Chymotrypsin is produced in the acinar cells of the pancreas as the inactive precursor, chymotrypsinogen.
Pressure-Temperature Calculator for Solvents
Use the calculator to determine the boiling point or pressure of solvents based on the Antoine Equation and see solvent attributes. View a list of products based on the solvent CAS number.
PGM and PGM-free Catalysts for Polymer Electrolyte Membrane Fuel Cells
In this review, we highlight the recent progress in both PGM and PGM-free ORR catalysts for PEMFC applications. In addition, the remaining challenges in ORR catalyst development that meet the targets of PEMFC applications beyond the preliminary half-cell test are
Virus Cultivation
Cell lines for vaccine production and cultivation of SARS CoV-2 and other viruses. Primary, human diploid, and continuous culture cell lines for the propagation of viruses and virus-based vaccines.
Measurement of acetic acid vapor in the workplace using passive sampling SPME and on-fiber derivatization with 1-pyrenyldiazomethane: Comparison with active sampling
Measurement of acetic acid vapor in the workplace using passive sampling SPME and on-fiber derivatization with 1-pyrenyldiazomethane: Comparison with active sampling.
Polishing of MAbs Using Capto Adhere ImpRes in Bind/Elute Mode
In these studies, the binding capacity for MAbs and the efficiency in the clearance of impurities using Capto adhere ImpRes in bind/elute mode was evaluated.
NF-κB and Inflammation
Chronic inflammation is an underlying factor in the development and progression of many of the chronic diseases of aging, such as arthritis, atherosclerosis, diabetes, and cancer.
The Effect of Container Materials on Production of Light Induced Off-Flavors in Milk – A Study Using SPME-GC-MS
Various plastics used as barriers to the production of off-flavors in light exposed milk were examined using HS-SPME with a new Carboxen®/PDMS coated Nitinol fiber followed by GC-MS analysis allowing detection of low MW analytes at levels <1 ng/mL.
Lipoprotein Function
Learn about the five main classes of lipoproteins: chylomicrons, very low density lipoproteins (VLDL), intermediate density lipoproteins (IDL), low density lipoproteins (LDL) and lipoprotein(a), and high density lipoproteins.
Lysing Enzymes
Enzymes provide a non-mechanical method for cell lysis and protoplast preparation. It may seem like a simple process to throw in your enzyme, stick your tube in the water-bath and walk away, but what is actually going on in that
Immunohistochemistry: Current Applications in Skin Cancer
Immunohistochemistry (IHC) techniques and applications have greatly improved, dermatopathology is still largely based on H&E stained slides.This paper outlines ways in which IHC antibodies can be utilized for dermatopathology.
Biomedical Implant Devices Fabricated from Low Young’s Modulus Titanium Alloys Demonstrating High Mechanical Biocompatibility
Biomedical implants are essentially foreign substances within the human body that must survive many years’ exposure to demanding mechanical and physiological conditions. Despite these challenges, metal implants have been widely used to substitute for or rebuild hard tissues such as
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.
Properties of Mononuclear Cells Isolated by the Ficoll-Paque Method
The effects of the mononuclear cell separation method described by Bøyum procedure are noted below, since research situations may arise in which they are significant.
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