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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

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。

碱性磷酸酶

我们提供了广泛碱性磷酸酶和底物，可针对您独特的应用需求优化与抗体和其他蛋白质的结合。

Digital PCR

数位PCR是终点PCR方法，其用于绝对定量和针对相似多数序列的背景分析少数序列，例如体细胞突变的定量。

单-双-多壁碳纳米管

查找单（SWNT）、双（DWNT）和多壁碳纳米管（MWCNT）的独特属性和应用。

裂解酶

裂解酶提供了一种非机械式细胞裂解和原生质体准备方法。这看上去是个非常简单的过程：只需加入酶，将试管放入水浴然即可。但这过程中到底发生了什么？

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。

凝血酶因子IIa

凝血酶因子IIa是一种内切丝氨酸蛋白酶，可选择性地裂解纤维蛋白原的Arg -Gly键，形成纤维蛋白并释放纤维蛋白肽A和B。

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。

Cultrex®基底膜提取物，Type 2，PathClear®实验方案

Cultrex®基底膜提取物（BME）是从Engelbreth-Holm-Swarm (EHS) 肉瘤细胞中纯化出来的一种可溶性基底膜。

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

Sigma-Aldrich 关于疯牛病风险评估政策说明-默克生命科学

Sigma-Aldrich 关于疯牛病风险评估的原产地证明政策的说明，本政策旨在提供与Sigma-Aldrich产品，特别是动物来源产品，在原产地追溯性方面的相关信息与指南。

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。

聚甘油癸二酸酯在组织工程和再生医学的应用

商业生物材料已停滞不前超过30年的时间，因为很少有材料能够成功地从实验台过渡到临床使用。合成型脂族聚酯因其悠久的历史和获得美国食品药品监督管理局（FDA）批准的记录，一直在可吸收生物材料领域占据主导地位。

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.

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.

Recent Developments in Silicon Anode Materials for High Performance Lithium-Ion Batteries

Recent demand for electric and hybrid vehicles, coupled with a reduction in prices, has caused lithium-ion batteries (LIBs) to become an increasingly popular form of rechargeable battery technology.

Solubility Table of Compounds in Water at Temperature

Check the solubility of 128 common inorganic compounds (salts and acids) in water at different temperatures from 0 degrees Celsius to 100 C. Compound formulas are also given in this table of solubility in relation to temperature.

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.

2D MXenes Ink: Synthesis, Properties, and Their Precursors

Optimizing the synthesis of high-quality 2D MXene flakes for 3D ink printing is essential to such technological developments as printable and flexible electronics.

Multiplexed Evaluation of Soluble Immune-Checkpoint Molecules | MILLIPLEX® Assays

Research evaluating immune checkpoints may help identify those likely to benefit from PD-1/PD-L1 immunotherapy and reveal new immunotherapy targets for future investigation. See how the MILLIPLEX® Human Immuno-Oncology Checkpoint Protein Panel 2 was used to multiplex immune checkpoint molecules for

Alkaline Phosphatase

We offer a broad range of alkaline phosphatase enzymes and substrates that are optimized for conjugation to antibodies and other proteins for your specific application needs.

Cultrex® Basement Membrane Extract, Type 2, PathClear® Protocol

Cultrex® Basement Membrane Extract (BME) is a soluble form of basement membrane purified from Engelbreth-Holm-Swarm (EHS) tumor.

Column Packing and Preparation for Size Exclusion Chromatography

Understanding Sweet Taste Perception

The powerful effect of the pleasurable sensation arising from sweet tasting foods has led to consumer demand and large-scale production of the caloric sweetening agents sucrose and fructose.

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.

Single-Double Multi-walled Carbon Nanotubes

Find unique properties & applications of single (SWNTs) , double (DWNTs) & multi walled carbon nanotubes (MWCNTs).

Recent Advances in Scalable Synthesis and Processing of Two-Dimensional Materials

Advances in scalable synthesis and processing of two-dimensional materials

Gold Nanoparticles for Biomolecular Diagnostics

Drs. Fernandes and Baptista explore the synthesis and functionalization of gold nanoparticles and their use in molecular diagnostics, focusing on lateral flow assays. They further discuss the regulations and standards of these materials, as well as the future outlook and

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