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Learn about C6H10O6 or dextran formation, classes and naming. Dextrans are polysaccharides with molecular weights ≥1,000 Dalton, which have a linear backbone of α-linked d-glucopyranosyl repeating units.

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

ALD — A Versatile Tool for Nanostructuring

In recent years considerable interest in ALD has emerged, mainly due to its ability to controllably coat even very small structures, e.g. nanoor microstructures.

Tuning the Elastic Moduli of Corning^® Matrigel^® and Collagen I 3D Matrices by Varying the Protein Concentration

Learn the results that come from changing the protein concentration of Corning® Matrigel®.

Conjugated Polymers for the Engineering of Device/Tissue Interface

Conjugated polymers offer charge transport between inorganic, electrically conducting metals and organic, proton-conducting biological systems.

Triphenoxazoles: A New Class of Fluorescent Photoconducting Liquid Crystalline Materials for Organic Electronic Applications

Here we introduce the Triphenoxazoles, a new class of organic electron donor-acceptor materials that can both be manipulated to change the electronic properties of the donor and acceptor with the consequent modulation of their HOMO/LUMO and properties, such as Stokes

Cleaning Up Samples using 2-D Clean-Up Kit

2-D Clean-Up Kit from Cytiva is designed to prepare samples that would otherwise produce poor 2-D results.

Protocol Guide: XTT Assay for Cell Viability and Proliferation

XTT assay protocol for measuring cell viability, proliferation, activation and cytotoxicity. Instructions for XTT reagent preparation and examples of applications.

Long and Accurate PCR Amplification of DNA with RedAccuTaq®

Protocol for high fidelity amplification of long PCR fragments up to 22kb from complex DNA mixtures and up to 40kb from simple DNA mixtures. Red dye allows direct loading of reaction on a gel. REDAccuTaq LA

Overcoming Aggregation in Solid-phase Peptide Synthesis

The ease of assembly of a given peptide sequence is hard to predict, which makes peptide synthesis challenging. Review methods and reagents for avoiding aggregation in solid-phase peptide synthesis.

Materials Design Concepts for Efficient Blue OLEDs: A Joint Theoretical and Experimental Study

Understanding and Successfully Applying Materials for Dye-Sensitized Solar Cells

While dye sensitization as the basis for color photography has been accepted for a very long time,1 attempts to use this principle for the conversion of solar light to electricity generally had resulted only in very low photocurrents, below 100

Materials for Clean H² Production from Bioethanol Reforming

Hydrogen is one of the most important resources in providing food, fuel, and chemical products for our everyday life. Sustainable catalytic hydrogen production from bioethanol has gained significant attention in recent years due to globally diminishing fossil fuel supplies, which

Self-Propagating Reactions Induced by Mechanical Alloying

An article concerning self-propagating reactions induced by mechanical alloying, presented by Sigma-Aldrich.com.

Organic Dyes for Efficient and Stable Dye-Sensitized Solar Cells

Over the last decade, dye-sensitized solar cells (DSSCs) have attracted much attention because these unconventional solar cells exhibit high performance and have the potential for low-cost production.

Graphene and Other 2D Crystals for Rechargeable Batteries

Advanced technologies for energy conversion and storage are widely sought after for their potential to improve consumer and electronic device performance as well as for the prospect of reducing the societal and environmental impact of energy generation.

Surface-enhanced Solar Energy Conversion Systems Using Gold and Silver Nanoparticles

Sustainable, environment-friendly, and clean energy sources with sufficiently high production efficiency for practical application are highly desirable to meet the energy challenge of the 21st century due to the world′s increasing energy demand.

Nanocomposite Coatings with Tunable Properties Prepared by Atomic Layer Deposition

Detection of Protein-protein Interactions by in situ PLA

Proteins are complex biological molecules essential for cellular structure and functions. The majority of proteins commonly interact with various molecules, including other proteins, in order to exert their functions.

Protocols for the Fmoc SPPS of Cysteine-containing Peptides

Overcome challenges in synthesis and disulfide bond formation with protocols for Fmoc solid-phase peptide synthesis of peptides with cysteine and methionine.

Imprint® Chromatin Immunoprecipitation Kit (CHP1) Protocol

The Sigma Imprint Chromatin Immunoprecipitation Kit uses a plate based system to allow rapid ChIP assays in a high throughput format

Optoelectronic Devices Based on Diketopyrrolopyrrole (DPP)-containing Conjugated Small Molecules

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.

Nanowire Synthesis: From Top-Down to Bottom-Up

The properties of many devices are limited by the intrinsic properties of the materials that compose them.

Dye-Sensitized and Perovskite Solar Cells: Interface Engineering by Atomic Layer Deposition

Since the demonstration of the first practical solar cell 60 years ago, research on novel materials, improved solar cell design and structure, and innovative manufacturing processes have all contributed to a continuous increase in the efficiency of photovoltaic (PV) devices.

RESOMER® Biodegradable Polymers for Medical Device Applications Research

Find use of RESOMER® biodegradable polymers in medical device applications research.

Aggregation-induced Emission Luminogens for Non-doped Organic Light-emitting Diodes

Organic Light-emitting Diodes (OLEDs) are solid-state devices that transform electrical energy into light. OLEDs are considered the next generation technology for high-resolution flexible displays and solid state lighting, attracting intense scientific and industrial interest.

Restriction Endonucleases - The Molecular Scissors

The term “Restriction enzyme” originated from the studies of Enterobacteria phage λ (lambda phage) in the laboratories of Werner Arber and Matthew Meselson.

Autophagy Mitophagy in Tumor Cell Survival Death

Autophagy is a highly regulated process that is involved in cell growth, development, and death. In autophagy cells destroy their own cytoplasmic components in a very systematic manner and recycle them.

Nanomaterials for Energy Storage in Lithium-ion Battery Applications

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