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75-27-4
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关键词:'75-27-4'
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酵母转化简介
转化是将外源DNA引入细胞，引起遗传变异或基因修饰的过程。1928年，Griffith首次报道了利用肺炎链球菌进行的转化。Avery等人于1944年证明了DNA转化的原理。
MILLIPLEX®小鼠高灵敏度T细胞检测试剂盒评价
MILLIPLEX®小鼠高灵敏度T细胞多因子检测试剂盒是对生物样本进行细胞因子谱分析的强大工具。了解该试剂盒的应用评价，包括细胞因子低水平表达研究，以及细胞因子分泌水平的多指标（多重、多因子）并行定量分析。
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。
用于梯度离心的Ficoll® 400
Ficoll 400®是由蔗糖和环氧氯丙烷共聚而成的一种高度分支化的聚合物。Ficoll 400®是完全非离子性的。由于其含有丰富的羟基，Ficoll 400®具有很强的亲水性和水溶性。
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
药物研发2.0_药物发现_药物代谢_药物分析-默克生命科学
默克致力于开发创新型产品，从专业角度分析制药行业发展，挖掘客户需求。从基础科学研究到审批生产，默克完整、高效的解决方案，能够帮助新药研发的科学家们，加快药物研发速度，解决药物研发中的难题。
癌症研究人员采用 3D 细胞培养的5个原因：近期文献综述
许多癌症模型系统可用于调查疾病机制和筛选疗法。虽然所有的模型都提供了有关癌症生物学的重要信息。
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。
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
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。
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.
Fast GC Analysis of Detailed cis/trans Fatty Acid Methyl Esters (FAMEs) on the 75 m SP™-2560 Capillary Column
Fast GC Analysis of Detailed cis/trans Fatty Acid Methyl Esters (FAMEs) on the 75 m SP™-2560 Capillary Column
Modification of the WTA2 Amplification Product for Next Generation Sequencing
Transplex Whole Transcriptome Amplification (WTA2) exponentially amplifies RNA producing a double-stranded cDNA library while precisely maintaining differential levels of individual transcripts in test and reference samples.
Multidimensional Application of Nonporous Silica Nanoparticles
With the development of more monodispersed and size-controlled particles, nonporous SiNPs are now actively being investigated as promising nanocarrier systems for delivering drugs to various human tissues, and as novel materials for smart plastics
Analysis of Pesticides in Turmeric Powder by LC/MS/MS and GC/MS/MS after Cleanup with Dual-Layer SPE Cartridge
Pesticide residue testing of turmeric and other (dried) spices is challenging due to their complex compositions and high matrix. An efficient SPE clean-up can be achieved by a new Dual-layer cartridge.
Synthesis and HILIC/MS Analysis of Acylcarnitines
HILIC mode chromatography using an Ascentis® Express OH5 resolved the majority of the acyl-L-carnitines tested. It may be possible to use MS/MS and particular fragment ions to resolve the two coeluting pairs.
Quantitative Analysis of Nitrosamine Impurities by LC-MS Methods from the United States Pharmacopeia General Chapter <1469>
This application note describes the LC-MS-based quantitative analysis of known nitrosamine impurities following procedures 1 and 3 as given in USP general chapter .
Periodic Table of the Elements
Download the Periodic Table of the Elements with names, atomic mass and number in printable .pdf and image format. Use the periodic table chart by element names in alphabetical order for quick research, reference and lab use.
Introduction to Yeast Transformation
Transformation is the process by which exogenous DNA is introduced into a cell, resulting in a heritable change or genetic modification. This was first reported in Streptococcus pneumoniae by Griffith in 1928. Transforming principle of DNA was demonstrated by Avery
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
Achieving High Efficiency in Organic Light-Emitting Devices
Electroluminescence of organic molecules has been a wellknown phenomenon for more than 50 years.
Complete Whole Transcriptome Amplification Kit Protocol (WTA2)
WTA2, a Whole Transcriptome Amplification (WTA) method, allows for representative amplification of nanogram quantities of total RNA in less than 4 hours without 3-bias
Fluorescein Isothiocyanate-Dextran
Dextran is a polymer of anhydroglucose. It is composed of approximately 95% alpha-D-(166) linkages. The remaining (163) linkages account for the branching of dextran.
GPCR Markers for Cancer Research
Explore the role of some selected GPCR markers in cancer research development and treatment, including neurohormonal GPCRs, rhodopsin-like GPCRs, and more.
Exploring Genotoxicity Through Multiplexing | MILLIPLEX® Assays
Exploring genotoxicity and DNA damage through multiplexing with MILLIPLEX® multiplex genotoxicity assays using Luminex® xMAP® technology enables the high-throughput measurement of phosphorylation levels of multiple proteins simultaneously and reduces sample volume, time, and cost.
Silver Nanomaterials: Properties & Applications
Silver nanomaterials have unique physical, chemical and optical properties that are being leveraged for a wide variety of applications.
Metal Borohydrides as Hydrogen Storage Materials
An article about metal borohydrides as hydrogen storage materials
Immunohistochemistry Applications in Gastrointestinal Cancer
Colorectal cancer is the third most common cancer in both men and women. An estimated 136,000 cases of colorectal cancer are expected to occur in 2016.
Recent Trends in Self-Healing Soft Electronic Materials and Devices
Dr. Tan and researcher introduce recent trends in Self-healing Soft Electronic Materials and Devices. The emergence of smart, functional SHPs will be highly beneficial to the advancement of the next-generation self-healing soft electronic devices. Autonomously self-healing devices could help to
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