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Innovative Materials for Glass Ionomer Cements (GICs): Dental Applications
Innovation in dental restorative materials is driven by the need for biocompatible and natural-appearing restoration alternatives. Conventional dental materials like amalgam and composite resins have inherent disadvantages.
What Are Biomaterials?
Biocompatible / Biodegradable Polymer Tutorial
Polymer Analysis in Materials Science
Scientists at Sigma-Aldrich® routinely determine number-average molecular weight (Mn) by 1H NMR end-group analysis for polymers having Mn values under 3,000.
Functional Biomaterials Synthesized by Double-Head Polymerization Agents
Over the past two decades, the rapid advance of controlled living polymerization (CLP) techniques.
ATRP Ligands and Initiators for the Clean Synthesis of Functional Polymers
Atom transfer radical polymerization (ATRP) has emerged as one of the most successful synthetic techniques for the preparation of polymers with predetermined molecular weights, narrow molecular weight distributions, and high degrees of chain end functionalities.
Chemistry at Surfaces with Self-Assembled Monolayers and SAMDI-ToF Mass Spectrometry
Chemistry at Surfaces with Self-Assembled Monolayers and SAMDI-ToF Mass Spectrometry
ATRP: Complete Tools for the Synthesis of Well-Defined, Functionalized Polymers
Find how atom transfer radical polymerization (ATRP) tools can be used for the synthesis of well-defined functionalized polymers.
Tools for Performing ATRP
Tools for Performing ATRP
Fluorinated Hyperbranched Polymers
Fluorocarbon polymers, like small-molecule fluorocarbons, exhibit increased thermal stability, hydrophobicity, lipophobicity, improved chemical resistance, and decreased intermolecular attractive forces in comparison to their hydrocarbon analogs.
Synthesis and Biomedical Applications of Polyamino Acids
Synthesis and Biomedical Applications of Polyamino Acids
Polyethylene Glycol Building Blocks for PEGylation
Sigma-Aldrich.com presents an article regarding Polyethylene Glycol Building Blocks for PEGylation.
Functionalized PEI and Its Role in Gene Therapy
Gene therapy has become one of the most discussed techniques in biomedical research in recent years.
Tools for PEGylation
Polyethylene glycol (PEG) reagents offer numerous favorable characteristics, including high water solubility, high mobility in solution, lack of toxicity and immunogenicity, and ready clearance from the body.
Universal Platform for Surface Modification Employing Grafted Polymer Layers
Universal Platform for Surface Modification Employing Grafted Polymer Layers
Molecular Self-Assembly on Gold Using Thioacetates
High-purity thioacetates are stable molecules that can be deprotected to generate complex thiols which can then be self-assembled on gold.
Segmented Copolymers of p-dioxanone, Glycolide, and Lactide: Advantages and Applications in Biomedical
Main features of p-dioxanone, glycolide and lactide based copolymers
Poly(N-isopropylacrylamide)-based Smart Surfaces for Cell Sheet Tissue Engineering
Tissue engineering has become a key therapeutic tool in the treatment of damaged or diseased organs and tissues, such as blood vessels and urinary bladders.
Molecular Layer Deposition of Organic and Hybrid Organic-Inorganic Polymers
Atomic layer deposition (ALD) techniques have emerged in the last ten years to meet various needs including semiconductor device miniaturization, conformal deposition on porous structures and coating of nanoparticles. ALD is based on two sequential self-limiting surface reactions.
Electrospinning: An Enabling Technique for Nanostructured Materials
In this article, we discuss issues critical to successful application of the electrospinning technique, including control of individual nanofibers to form secondary structures and assembly of nanofibers into 3D architectures.
Protein- and Peptide- Polymer Conjugates by RAFT Polymerization
The modification of biomacromolecules, such as peptides and proteins, through the attachment of synthetic polymers has led to a new family of highly advanced biomaterials with enhanced properties.
Applying ARGET ATRP to the Growth of Polymer Brush Thin Films by Surface-initiated Polymerization
Applying ARGET ATRP to the Growth of Polymer Brush Thin Films by Surface-initiated Polymerization
Smart Oligonucleotide Delivery by Multifunctional Block Copolymers
Kanjiro Miyata (The University of Tokyo, Japan) provides insights on the rational design of polymeric materials for “smart” oligonucleotide delivery.
RAFT: Choosing the Right Agent to Achieve Controlled Polymerization
Find reversible addition–fragmentation chain transfer(RAFT) polymerization process, classes of RAFT agents & applications.
Designing Temperature and pH Sensitive NIPAM Based Polymers
Poly(N-isopropylacrylamide), or PNIPAM, is a stimuli-responsive polymer that responds to changes in pH and temperature and has a LCST around 32 C.
Functional RAFT Polymers for Biomedical Applications
Reversible addition–fragmentation chain transfer (RAFT) polymerization is rapidly moving to the forefront in construction of drug and gene delivery vehicles.
A Micro Review of Reversible Addition/Fragmentation Chain Transfer (RAFT) Polymerization
We presents an article about a micro review of reversible addition/fragmentation chain transfer (RAFT) polymerization. RAFT (Reversible Addition/Fragmentation Chain Transfer) polymerization is a reversible deactivation radical polymerization (RDRP) and one of the more versatile methods for providing living characteristics to...
NTz Building Blocks for Organic Semiconductors
The field of organic electronics has emerged as the next-generation technology potentially enabling ultra-thin, large-area, and/or flexible devices, consisting of organic field-effect transistors (OFETs), organic light-emitting diodes (OLEDs), and organic photovoltaics (OPVs).
Mesoporous Materials Synthesis
Mespoporous materials, also known as mesoporous molecular sieves, are a class of 3D-nanostructures with well-defined mesoscale (2–50 nm diameter) pores and surface areas up to 1000 m2/g
Materials for High and Low Refractive Index Coatings
Refractive index (RI or n) is of critical importance for photonics applications such as optical waveguides and ophthalmic devices. Based on their unique refractive index characteristics and good optical clarity, polymeric materials are also used as anti-reflective coatings for solar...
Chemistry in (Bio)Materials Science
"Click" Chemistry in (Bio)Materials Science
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