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膳食抗氧化剂

抗氧化剂可保护生物系统免受含氧自由基和氧化还原过渡金属离子（如铁、铜和镉）引起的氧化损伤。

丝裂原活化蛋白激酶(MAPK)

丝裂原活化蛋白激酶(MAPK)家族由应激激活(SAPK)和丝裂原活化(MAPK)的蛋白激酶组成。了解它们介导细胞多种刺激反应的信号转导级联网络。

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

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。

Extractables Studies of Single-Use Equipment Immediate Identification and Quantification of Unknown Extractables by GC/MS with a Certified Reference Material Mix for Extractables and Leachables

Identification and quantification of the most common extractables originating from single-use equipment by GC/MS and an Extractables and Leachables Screening Standard.

Extractables Study with LC-UV/MS

Reliable identification and quantification of unknown extractables of a single-use system (SUS) with a 21 component CRM mix for liquid chromatography (LC-UV/MS) methods using Ascentis® C18 column.

Sample Preparation for Size Exclusion Chromatography

Samples for chromatographic purification should be clear and free from particulate matter. Simple steps to clarify a sample before beginning purification will avoid clogging the column, can reduce the need for stringent washing procedures, and can extend the life of

Epigenetics Overview

Epigenetics is a term coined to describe changes that are not mutation based but can still be passed on from generation to generation. Genes that are activated or repressed without any change in DNA sequence are epigenetically controlled. Epigenetic modifications

Dietary Antioxidants

Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.

Sample Preparation for Affinity Chromatography in Specific Groups of Biomolecules

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.

Sample Preparation in Ion Exchange Chromatography

This page clarifies sample preparation, buffer exchange and desalting, removal of lipoproteins, phenol red, and low molecular weight contaminants in Ion exchange chromatography.

Sample Preparation for Chromatographic Purification

This page discusses various aspects of sample preparation for chromatographic purification.

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.

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

Poly(2-oxazoline)s (POx) in Biomedical Applications

Poly(2-oxazoline)s (POx) can be viewed as conformational isomers of polypeptides. They are synthesized via living cationic ringopening polymerization (LCROP) of 2-oxazolines and were almost simultaneously discovered in 1966 by the groups of Litt, Tomalia, Fukui and Seeliger.

Glycol Ethers Properties & Examples, Organic Solvents

Glycol ethers, with both an ether and alcohol functional group in the same molecule, are one of the most versatile classes of organic solvents.

Barrier Formation and Permeability Assays using Millicell^® Hanging Cell Culture Inserts

How to set up barrier formation and permeability assays using cell culture inserts and TEER measurements.

The following procedure has been evaluated with Ficoll-Paque PLUS and is recommended for separation of normal blood samples for maximum reproducibility.

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.