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Adhesion and surface forces in polymer tribology—A review

Polymer tribology is a fast growing area owing to increasing applications of polymers and polymer composites in industry, transportation, and many other areas of economy. Surface forces are very ... MYSHKIN1, Alexander KOVALEV2,* 1 Metal-Polymer Research Institute of Belarus National Academy of Sciences, Gomel 246050, Belarus 2 State Key Laboratory of Tribology, Tsinghua University, Beijing 100084

Polymer recycling using microbes

can degrade the plastic into small molecular constituents. Poly(ethylene terephthalate) (PET) is a robust organic polymer having a multitude of application ranging from textiles to packaging materials ... and is the major polymer employed in beverage bottle manufacture. The environmental accumulation of PET is a testament of its versatility and the lack of chemical/physical mechanisms capable of

Preparation of microspheric Fe(III)-ion imprinted polymer for selective solid phase extraction

In this research work, an Fe(III)-IIP was prepared using methacrylic acid as monomer, divinylbenzene as cross-linker, azobisisobutyronitrile as initiator. The ion imprinted polymer was functionalized

Improving geotechnical properties of clayey soil using polymer material

This study illustrates the application of polymer material for clayey soil stabilization. The article will focus on studying the strength behavior of the clayey soils reinforced with homogenously ... reinforced with homogenously polymer fiber. In the current research, “polypropylene” was selected as polymer material to reinforce the natural clay soil. This polymer fiber was added to the clayey soil with

Erratum to: “Time Dependence of the Luminescence from a Polymer Membrane Swollen in Water: Concentration and Isotopic Effects” [Physics of Wave Phenomena 25(4), 259 (2017)]

Russia 1 Prokhorov General Physics Institute, Russian Academy of Sciences , ul. Vavilova 38, Moscow, 119991 Russia 2 Membrane Swollen in Water: Concentration and Isotopic Effects” by N. F. Bunkin, G.A ... Academy of Sciences , Leninskiy pr. 53, Moscow, 119991 Russia 6 Bauman MSTU Center of Applied Physics , Vtoraya Baumanskaya ul. 5, Moscow, 105005 Russia 7 Ecole Nationale Superieure des Mines , CMP-EMSE

Recycable complex catalysts immobilized on mercaptan-functionalized glass-polymer supports

epoxide supports remained the same, that is below the sorption capacity of the polymers. Presented new type of glass-polymer supports comparing to other used corresponding organic carriers offers several ... palladium molecules. Degree of cross-linking and the density of ion exchange sites on the polymer/glass composites having influence and significantly affect the size and distribution of the Pd particles. The

Removal of phenol from aqueous solution using polymer inclusion membrane based on mixture of CTA and CA

environment without any harmful effects. In the present work, the removal of phenol from aqueous solution across polymer inclusion membrane (PIM), based on mixture of cellulose triacetate and cellulose acetate ... containing 0.1 g (of mixture polymer), (0.15 g/g mixture of polymer) of carrier and (0.03 ml/g mixture of polymer) of 2-NPOE provided the highest percentage of phenol removal efficiency over a 6-day transport

Bio- and chemocatalysis cascades as a bridge between biology and chemistry for green polymer synthesis

-polymers. We also discuss their advanced bio-application using the example of polylactide (PLA), the most valuable green polymer on the market. ... polymer back to its cyclic monomer without the formation of its hydrolysis product, γhydroxybutyric acid, which is an FDA-regulated substance. This makes it the only example of a completely recyclable

Correction to: Selective determination of mandelic acid in urine using molecularly imprinted polymer in microextraction by packed sorbent

, Hamadan University of Medical Sciences , PO Box 65175-4171, Hamadan 6517838695 , Iran - In the original publication of the article, there is an error in Fig. 2c. The authors would like to correct this

Environmental earth sciences—most cited papers: 2015–2016

) Environmental earth sciences; Best papers; Progress report; “Filters of hope” - It is always difficult to select “best papers” from the large inventory of excellent publications in a comprehensive journal like ... Environmental Earth Sciences (EES) with broad aims and scope. The editors decided to award the 15 papers that were most cited over the last two years, i.e., the 2017 award goes to the most cited papers from 2015

Exacerbating Inequalities? Health Policy and the Behavioural Sciences

these two areas highlights potential problems with the use of the behavioural sciences in public health policy. To this end, we begin in the next section by looking at the place of the SDoH within public ... health, before outlining, in brief, the recent drive towards utilising behavioural science to formulate law and public 1 We recognise that the behavioural sciences do and ought to include much more than

Probing polydopamine adhesion to protein and polymer films: microscopic and spectroscopic evaluation

Polydopamine has been found to be a biocompatible polymer capable of supporting cell growth and attachment, and to have antibacterial and antifouling properties. Together with its ease of manufacture ... , University of Kent , Medway Campus, Anson Building, Central Avenue, Chatham Maritime, Chatham, Kent ME4 4TB , UK 1 Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde

Controlled and tunable polymer particles’ production using a single microfluidic device

chips design (i.e., microreactors and staggered herringbone micromixer). Here, we introduce the development of a highly tunable and controlled encapsulation technique, using two polymer compositions, for ... polymer composition, we were able to optimize particles' size and decrease polydispersity index, using simple chip designs with no further related adjustments or costs. Utilizing this platform, which offers

High-density lipoprotein sensor based on molecularly imprinted polymer

. Herein, we report the synthesis of a molecularly imprinted polymer (MIP) that selectively binds HDL, namely, HDL-MIP, and thus serves as an artificial, biomimetic sensor layer. The optimized polymer ... Pharmaceutical Sciences, Prince of Songkla University , Hat Yai, Songkhla 90112 , Thailand 1 University of Vienna, Faculty for Chemistry, Department of Physical Chemistry , Währinger Straße 42, 1090 Vienna

Synthesis and characterization of modified κ-carrageenan for enhanced proton conductivity as polymer electrolyte membrane

Polymer electrolyte membranes based on the natural polymer κ-carrageenan were modified and characterized for application in electrochemical devices. In general, pure κ-carrageenan membranes show a

Polymer Antimicrobial Synergy Research

synergy between our antibiotic and our polymer. To find the MIC of each antibiotic, we grew an overnight of the bacteria in Lysogeny Broth (LB) and let it inoculate for 20 hours. We then inoculated a 24 ... Sciences University of Nevada , Las Vegas , USA Recent studies have shown that certain polymers, such as branched polyethylenimine (BPEI), have the potential to be antimicrobial. We have been growing

Free energy landscape of siRNA-polycation complexation: Elucidating the effect of molecular geometry, polymer flexibility, and charge neutralization

energy landscape in term of low-energy binding modes and unbinding free energy barriers. Significant differences among polymer binding modes have been detected, revealing the advantageous binding

Multiscale Molecular Simulations of Polymer-Matrix Nanocomposites

Following the substantial progress in molecular simulations of polymer-matrix nanocomposites, now is the time to reconsider this topic from a critical point of view. A comprehensive survey is

Analytical solution of polymer slug injection with viscous fingering

We present an analytical solution to estimate the minimum polymer slug size needed to ensure that viscous fingering of chase water does not cause its breakdown during secondary oil recovery. Polymer ... breakdown during secondary oil recovery. Polymer flooding is typically used to improve oil recovery from more viscous oil reservoirs. The polymer is injected as a slug followed by chase water to reduce costs

Au nanoparticle@silica@europium coordination polymer nanocomposites for enhanced fluorescence and more sensitive monitoring reactive oxygen species

Au nanoparticle (Au NP)@SiO2@TDA-Eu nanocomposites were prepared by a two-step process: Au NP@SiO2 nanocomposites were prepared by a modified onepot process. Then the europium coordination polymer ... coordination polymer was deposited on the surface of the Au NP@SiO2 by mixing 2,2ʹthiodiacetic acid [S(CH2COO)22−, TDA] and Eu(NO3)3·6H2O in ethanol via a hydrothermal method. The maximum fluorescent enhancement