Different sequences of base pairs are used to encode genetic information. Despite of these advantages, however, ion semiconductor sequencing technologies suffer much reduced sequencing accuracy at the genomic loci with. Homopolymer tail article about homopolymer tail by the. Article pdf available in dna mary ann liebert, inc. The technique of homopolymer tailing offers a radically different approach to the. Wherever homopolymer tailing is undesirable other strategies like directional cloning and. Polypropylene homopolymers are thermoplastic resins produced through the polymerization of propylene with zieglernatta catalysts.
The reverse primer can anneal to and prime from anywhere along the homopolymer tail. Improving alignment accuracy on homopolymer regions for. Characterization of the homopolymer tailing reaction catalyzed by terminal deoxynucleotidyl transferase implications for the cloning of cdna received for publication, july 29, 1982 alan m. The proposed \homopolymerlength lter replaces homopolymers with single characters in both the reads and the reference. A homopolymer plastic is one that is produced by the polymerization of a single monomer. Get a printable copy pdf file of the complete article 96k, or click on a page image below to browse page by page. Orking from the division of hematology and oncology, childrens hospital medical center, department of pediatrics and. These homopolymer errors arise as a consequence of the technology. Homopolymeric tail adding by using terminal transferase enzyme. A lab technique where a nucleic acid homopolymer a long chain of the same nucleotide over and over is attached to. The terms homopolymer, copolymer and terpolymer may sound like latin or greek. Homopolymer for compounding and extrusion applications. Figure the different joining reactions catalysed by dna ligase.
Get a molding quote chat about my project email a plastics specialist. Homopolymer acetal also has a lower thermal expansion rate than copolymer acetal. Chemical abstracts service registry number is a unique identifier for a chemical and its synonyms. Tailing involves using the enzyme terminal deoxynucleotidyl transferase, to add a series of nucleotides on to the 3oh termini of a double stranded dna molecule. The final step in construction of a recombinant dna molecule is the joining. A homopolymer is simply a polymer in which all the subunits are the same. A segment that contains only one sort of nucleotide at the 3. T homopolymer 4 data sheet description applications. H homopolymer 0 data sheet description applications.
The size of a molecule is measured by its molecular weight, which is equal to the sum of the atomic weights of all the atoms that make up the molecule. Future market insights offers a 10year forecast for the global polypropylene pp homopolymer market in a new publication titled pp homopolymer market. It has applications in blow molding and thermoforming of large components and. The product is nucleated and contains an antielectrostatic agent. Polypropylene consists of repeating propylene units. Use of homopolymer tailing to improve the assembly. The homopolymers can be used in different processing technologies, such as injection molding, blow molding, film, fiber, sheet extrusion and thermoforming. An improved procedure for utilizing terminal transferase. Fragment analysis through 3730 xl dna analyzer shows an oligodc tail was added to 5 fluorescently labeled single strand dna oligo using dna homopolymeric tailing supermix dc. The properties of pp homopolymer include three common variations. This feature has been used to add complementary cohesive homopolymer termini to allow annealing and joining of two. Cas registry numbers are assigned by the chemical abstracts service, a division of the american chemical. Polypropylene homopolymer pp homopolymer latest price. Heteropolymer different types of monomers are attached, homopolymer same polymers are attached.
For more specific values, follow the links immediately below. The enzyme terminal deoxynucleotidyl transferase will catalyze the addition of a string of. Find patient medical information for carbomer homopolymer type c bulk on webmd including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Low stiffness and strength reduced flow properties and higher mould shrinkage than unmodified pp homopolymer. Procedures have been developed to make copolymers in which the repeating units are distributed randomly figure. In some sequencing technologies, this lter removes many of the machineinduced sequencing.
Global industry analysis and opportunity assessment, 20162026. It is used in applications that require high strength and stiffness. Pdf use of homopolymer tailing to improve the assembly. Polymer nomenclature is generally based upon the type of monomer residues comprising the polymer. Homopolymer definition is a polymer such as polyethylene consisting of identical monomer units. For example, polystyrene is composed of nothing but styrene monomer residues, making it a homopolymer. Acetal homopolymer technical data sheet theplasticshop. These compounds can absorb large amounts of water, increasing in volume up to 1,000 times to form. A terpolymer is a copolymer which contains three types of repeat units. Cas numbers identify the chemical, but not its concentration or specific mixture. The condition for homopolymerinduced mesophase formation is found to be zhzc. Chemistry of industrial polymers, structure and composition of chemical compounds made up of long, chainlike molecules what distinguishes polymers from other types of compounds is the extremely large size of the molecules.
Copolymers, on the other hand, are made from two or more monomers. Homopolymer tailing method for joining dna molecules make use of the annealing of complementary homopolymer sequence. Ion torrent and ion proton are semiconductorbased sequencing technologies that feature rapid sequencing speed and low upfront and operating costs, thanks to the avoidance of modified nucleotides and optical measurements. Dusts and vapours or fumes evolved during thermal processing may cause irritation to the respiratory system. Linker, adaptor, homopolymer tailing plasmid restriction. Characterization of the homopolymer tailing reaction catalyzed by. In the absence of a chain terminator, the tail length generated can exceed hundreds of nucleotides supplementary figure s1. Download fulltext pdf use of homopolymer tailing to improve the assembly efficiency of synthetic rna sequences article pdf available in nucleic acids research 1712. Homopolymer definition and meaning collins english. If this reaction is carried out in the presence of just one deoxynucleotide, then a. For some applications this could lead to performance issues fairly quickly. Pdf solubilization of a homopolymer in a block copolymer. Description luban polypropylene is manufactured using novolen vertical stirred gasphase polymerization process.
An approach for overcoming homopolymerlength sequencing errors in search and alignment is presented. While homopolymer acetal products initially show somewhat better short term mechanical properties than copolymers, they tend to degrade faster over time. Better sequences and fewer homopolymer errors for ion. A polymer which contains only a single type of repeat unit is known as a homopolymer, while a polymer containing two or more types of repeat units is known as a copolymer. Pp homopolymer is a thermoplastic, further classified as a polypropylene plastic. This is sort of a misnomer as they are more like monomer building blocks conjoined through a reaction.
C t 8 4 1 1 homopolymer provisional values given here are typical and should not be interpreted as specification. Raw material for plastic industry see more details in technical data sheet 1. In contrast, dna is a polymer that is not a homopolymer. Provides technical data and properties for acetal homopolymer rod, sheet and tube keywords. Genetic engineering in plants genetic engineering or recombinant. Linker, adaptor, homopolymer tailing free download as. Carbomer is a high molecular weight polymer compound used commonly in the cosmetic industry. Polypropylene homopolymer pp homopolymer entec polymers. While most of us must simply wait passively for better hardware sequencing machines, many of us can work right now to improve the softwareindeed, david golan and paul medvedev already have. Homopolymer definition of homopolymer by merriamwebster. Polypropylene homopolymer pp homopolymer polypropylene homopolymer offers the highest temperature resistance and mechanical properties of the polypropylene materials. The technology in question, though, has both a hardware and a software component.
Good impact properties even at low temperatures and slightly increased elongation at break compared with unmodified pp homopolymer. Use of homopolymer tailing to improve the assembly efficiency of synthetic dna sequences. Resmart ultra hopp 12 prime homopolymer polypropylene barefoot that provides a good balance of properties with good melt flow. Applications thin walled molding, dairy and dessert cups. Our study demonstrates key market dynamics and trends across regions that are expected to influence the current status and future prospects of the global pp homopolymer.
In a view of many factors that may affect processing and. Homopolymer definition of homopolymer by medical dictionary. Polyvinylchloride pvc is a homopolymer consisting of vinyl chloride units. Get a printable copy pdf file of the complete article 1.
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