• Copolymers are formed from several different repeating units. (sunnypapers.com)
  • The P3HB homopolymer and the copolymers of 3-hydroxybutyrate with 3-hydroxyvalerate or 3-hydroxyhexanoate and/or some other (less commonly used) hydroxyalkanoate repeat units that will be identified below, represent a vast design space of semicrystalline aliphatic polyesters. (polymerexpert.biz)
  • In the P3HB3HV and P3HB3HH copolymers, the 3-hydroxyvalerate or 3-hydroxyhexanoate repeat units promote flexibility, so that x c , T m , T g , E, and σ t all decrease, while the impact strength increases (and hence the brittleness decreases and the toughness increases), with increasing comonomer mole fraction. (polymerexpert.biz)
  • The PHA design space thus obviously resembles the design space represented by the polyethylene homopolymer and the copolymers of ethylene with propylene, 1-butene, and other olefin (alkene) monomers. (polymerexpert.biz)
  • In general, polymers such as PVC are referred to as " homopolymers ", as they consist of repeated long chains or structures of the same monomer unit, whereas polymers that consist of more than one monomer unit are referred to as copolymers (or co-polymers). (wikipedia.org)
  • Co-polymer : Polymer whoes repeating structural units are derived from t.wo or more types of monomer molecules, are called copolymers e.g. (class12chemistry.com)
  • Copolymerization of the oligomers with PSf monomers was done followed by ion exchange to provide multiblock PSf-PDApip copolymers that were thermally stable up to 360 °C and highly conductive in the hydroxide form (up to 102 mS·cm-1 at 80 °C). The PDApip homopolymer was exceptionally base stable over 1000 hrs. (mines.edu)
  • PET or PETE is originally a homopolymer but can be modified to produce copolymers ( polyethylene terephthalate glycol-modified ) depending on the application. (plasticranger.com)
  • Mainly used to produce a variety of copolymers, homopolymers and modified poly. (cnccindustries.com)
  • The techniques available for composition determination of homopolymers and copolymers and other recent modern techniques such as X-ray photoelectron spectroscopy, atomic force microscopy, microthermal analysis and scanning electron microscopy and energy dispersive analysis using X-rays are also included. (chemtec.org)
  • Polymers Polymer, substance consisting of large molecules that are made of many small, repeating units called monomers, or mers. (sunnypapers.com)
  • Polymers consisting of only one kind of repeating unit are called homopolymers. (sunnypapers.com)
  • Polyelectrolytes are polymers whose repeating units bear an electrolyte online community. (waterhvac.com)
  • Linear Polymer : These polymers consist of long and straight chains e.g. high density polyethene, nylon, poly vinyichioride etc. (class12chemistry.com)
  • Addition Polymers : The addition polymer are formed by the repeated addition of same or different monomers. (class12chemistry.com)
  • Homopolymer : Polymers whose repeating structural units are derived from only one type of monomer units are called homo-polymer. (class12chemistry.com)
  • Polymers are large molecules made of small, repeating molecular building blocks called monomers. (vega-developer.pl)
  • a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers Also see polymers Word origin Words similar to polymer Usage examples for polymer Polymers form an important part of our system, as mentioned above. (vega-developer.pl)
  • The major structural feature of polymers is the presence of a large number of monomeric units which are repeated many times. (vega-developer.pl)
  • Polymers in Everyday Life By: Gary Ford Takeout Containers Polyethylene terephthalate, or PET, is probably the best-known polymer in existence. (sasharhett.com)
  • Polymers formed by the repeated addition of monomers possessing double or tripple bonds, e.g. polyethene, PVC, polystyrene, etc. (aplustopper.com)
  • Polymers formed by repeated condensation reaction between two different bi-functional ortri-functional monomeric units, e.g. nylon - 6,6. (aplustopper.com)
  • Blends of poly(L-lactic acid) (PLLA) and polypropylene (PP), which are candidates for the practical use of PLLA, were investigated for selective degradation of PLLA, resulting in quantitative conversion of PLLA components into cyclic monomers, lactides, using magnesium oxide (MgO) as a depolymerization catalyst. (hindawi.com)
  • Low melting point plastics, like Low-Density Polyethylene (LDPE) and Polypropylene (PP), are commonly used in the packaging industry. (plasticranger.com)
  • Most commercial polypropylene is isotactic and has an intermediate level of crystallinity between that of low-density polyethylene (LDPE) and high-density polyethylene (HDPE). (chinawovenbag.com)
  • Greek poly-, "many" + -mer, "part") is a substance or material consisting of very large molecules called macromolecules, composed of many repeating subunits. (wikipedia.org)
  • Here ethylene (ethene) is the monomer, and the corresponding linear polymer is called high-density polyethylene (HDPE). (sasharhett.com)
  • The monomers are terephthalic acid (HOOC-C6H4-COOH) and ethylene glycol (HO-CH2-CH2-OH) but the repeating unit is -OC-C6H4-COO-CH2-CH2-O-, which corresponds to the combination of the two monomers with the loss of two water molecules. (wikipedia.org)
  • The repeating structural units are derived from same simple and reactive molecules known as monomers and are linked to each other by covalent bonds. (class12chemistry.com)
  • A polymer is a large molecule (macromolecule) composed of repeating structural units (monomers) typically connected by covalent chemical bonds. (vega-developer.pl)
  • a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers. (vega-developer.pl)
  • Monomers - the repeating units of a polymer derived from some simple and reactive molecules. (aplustopper.com)
  • A simple example is polyethylene ('polythene' in British English), whose repeat unit or monomer is ethylene. (wikipedia.org)
  • The distinct piece of each monomer that is incorporated into the polymer is known as a repeat unit or monomer residue. (wikipedia.org)
  • A macromolecule made of repeating (monomer) units or protomers. (vega-developer.pl)
  • A polymer is composed of repeating monomer units and can either be natural or synthetic. (vega-developer.pl)
  • Homopolymers are named by adding the prefix poly- before the monomer name from which the polymer is made. (sasharhett.com)
  • A monomer is a repeating chemical unit. (sasharhett.com)
  • This results in repeating units of ethylene terephthalate, which form the polymer. (plasticranger.com)
  • PET or polyethylene terephthalate has many consequential properties. (plasticranger.com)
  • Polyethylene terephthalate is originally a thermoplastic, and it is decided by how it reacts to heat. (plasticranger.com)
  • Polyethylene glycol (PEG) is a polyether compound with repeating units of ethylene oxide and a terminal hydroxyl group. (pharmacy180.com)
  • Typical examples are polyethylene, polyvinyl alcohol, and polyvinyl chloride (PVC). (sunnypapers.com)
  • As alkenes can polymerize in somewhat straightforward radical reactions, they form useful compounds such as polyethylene and polyvinyl chloride (PVC), [3] which are produced in high tonnages each year [3] due to their usefulness in manufacturing processes of commercial products, such as piping, insulation and packaging. (wikipedia.org)
  • Oxygen is also commonly present in polymer backbones, such as those of polyethylene glycol, polysaccharides (in glycosidic bonds), and DNA (in phosphodiester bonds). (wikipedia.org)
  • Plasticized compositions comprising polyamide or polyamide/ionomer blend and poly(trimethylene ether) glycol are provided. (justia.com)
  • A polymer is a large macromolecule that is made of several repeating subunits. (vega-developer.pl)
  • long stretches of di-nucleotides that are not repeats. (wyzerbio.com)
  • 75%) content, or special structural features such as repeats, homopolymer stretches may lead to longer production time. (genosphere-biotech.com)
  • Primers should avoid stretches of homopolymer sequences (e.g., poly(dG)) or repeating motifs, as these can hybridize inappropriately. (dinas.id)
  • Polymer is really a large molecule (macromolecule) constructed from repeating structural units. (waterhvac.com)
  • A polymer is a large molecule (macromolecule) composed of repeating structural units. (vega-developer.pl)
  • Tiger-derived sequences differed folk, VA, USA) began exhibiting lethargy, labored from others in the clade by 1 single-nucleotide poly- breathing, coughing, intermittent upper respiratory morphism in the spike gene (K558N) (Figure, panel A). sounds, hyporexia, and mucoid nasal discharge. (cdc.gov)
  • To obtain highly advanced working draft sequences for the BACs, we developed a strategy to assemble large parts of the BAC sequences by combining comparative genomics, detailed repeat analysis and use of low-quality reads from 454 sequencing. (biomedcentral.com)
  • Inhibitors,Modulators,Libraries Sequences that were over 50% homopoly mer or dinucleotide repeat were filtered out. (inhibitorkit.com)
  • Historically, products arising from the linkage of repeating units by covalent chemical bonds have been the primary focus of polymer science. (wikipedia.org)
  • The number of repeating units in one large molecule is called the degree of polymerization. (sunnypapers.com)
  • A thermostable biopolymer with repeating hydroxybutyryl units. (bvsalud.org)
  • The TMBPA PF segments provided compact repeat units of TMBPA with methylene linkages and the ability to bear up to four benzyltrimethylammonium cations. (mines.edu)
  • Chemtex's RO Flocculants (Anionic Polyelectrolyte) comprise a category of proprietary products, including anionic emulsions and dry poly acrylamides, may be used wherever liquid/solids separation ought to be required in industrial RO courses. (waterhvac.com)
  • Polyethylene glycols have different physical states, depending on their molecular weight, with low-molecular-weight PEGs being liquid at room temperature, while high-molecular-weight PEGs being crystalline solids. (pharmacy180.com)
  • Polyethylene (PE) is one of the most common types of thermoplastic used in the plastic injection molding process. (todaybusinesshub.com)
  • These chains are usually long and can be repeated to increase the size of the molecular structure. (cnccindustries.com)
  • Deadenylation is a major process that regulates gene expression by shaping the length of mRNA poly(A) tails. (bvsalud.org)
  • Deadenylation is controlled by factors in trans that recruit or impede deadenylases, by the incorporation of non-adenosines during poly(A) tail synthesis, and by the posttranscriptional addition of 3' nucleotides to poly(A) tails. (bvsalud.org)
  • The term polymer is a composite of the Greek words poly and meros, meaning "many parts. (vega-developer.pl)
  • The word polymer is coined from two Greek words poly means many and mer means unit. (aplustopper.com)
  • Among clade IIb, B1 strains consistently showed 16 repeats. (sepoy.net)
  • They have various complexity levels, such as dinucleotide, trinucleotide, or more complex palindromic repeats. (sepoy.net)
  • Oxidation usually occurs at the tertiary carbon atom present in every repeat unit. (chinawovenbag.com)
  • The poly(A) tail is a sequence of several adenosine nucleotides added to the 3' end of RNA molecules transcribed by polymerase II. (bvsalud.org)
  • Corrosion resistance, tensile strength up to 30MPa, strength, rigidity and transparency than the Poly Art ene, has excellent abrasion resistance and dielectric properties, chemical stability. (chinawovenbag.com)
  • Medical devices require plastics that can tolerate repeated sterilization, often involving high temperatures. (plasticranger.com)
  • In this chapter, we present Nano3'RACE, a nanopore-based cDNA sequencing method that allows in-depth analysis to precisely measure poly(A) tail length and detect 3' terminal nucleotide addition, such as uridylation, for mRNAs of interest. (bvsalud.org)
  • It is well understood that homopolymer regions should be avoided for primer binding to prevent off-target amplification. (nature.com)
  • however, these studies have failed to resolve genomic regions with many repeats, especially the low-complexity regions (LCRs). (sepoy.net)
  • We try to immediately identify this type of mistake and repeat such reactions. (etonbio.com)
  • The most common type of insertion deletion polymorphism is the existence of variable numbers of repeated bases or nucleotide patterns in a genetic region. (forextrading-madeeasy.com)
  • Our results indicate that primers frequently bound 1-2 bp upstream in taxa where a homopolymer region was present in the amplification direction. (nature.com)
  • In the present study, researchers evaluated the effects of LCRs, including all short tandem repeats (STRs) and homopolymer, changes in the MPXV genome. (sepoy.net)
  • The dynamics of poly(A) tail length play a significant role in regulating post-transcriptional gene expression by regulating the stability, translation, and decay of messenger RNAs. (bvsalud.org)
  • Biotechnological Strategies to Improve Production of Microbial Poly-(3-hydroxybutyrate): A Review of Recent Research Work , Microbial Biotechnology, 7(4): 278-293 (July 2014). (polymerexpert.biz)
  • Polyethylene (CAS no. 9002-88-4) for use in rubber at a maximum use level of 2% and only for rubber materials and articles for repeated use. (packaginglaw.com)
  • Here, we outline a method for using nanopore sequencing and linear mixed models to analyze differences in poly(A) tail length across conditions. (bvsalud.org)