1. G4 self-assembly as an intrinsic nucleic acid function

Anna Varizhuk; Vyacheslav Severov; Galina Pozmogova

Volume 9, Issue 2 , February 2018, Pages 91-96

  It is now commonly acknowledged that G-rich polynucleotide sites can fold into G-quadruplex (G4) structures in vivo. In terms of molecular programming, the G4-folding propensity can be regarded as a build-in nucleic acid function with multiple implications for genomic regulation. Here we review several ...  Read More

2. Properties of the photochromic latexes based on spiropyran by emulsion polymerization

Ting Zhang; Liuwa Fu; Zhikang Chen; Yanyan Cui; Xiaoxuan Liu

Volume 9, Issue 2 , February 2018, Pages 97-100

  The latexes based on 2-(3’, 3’-Dimethyl-6-nitro-3’H-spiro[chromene-2,2’-indol]-1’-yl)ethanol(SPOH) were prepared via emulsion polymerization, using a macromolecular surfactant that copolymerized by methyl methacrylate (MMA), butyl acrylate (BA) and acrylic acid (AA). The ...  Read More

3. Electroless deposition of nickel on biocompatible poly(dimethylsiloxane) after a laser processing as a pretreatment

Stephan Armyanov; Eugenia Valova; Konstantin Kolev; Dragomir Tatchev; Petar Atanasov; Nadya Stankova

Volume 9, Issue 2 , February 2018, Pages 101-106

  Due to its biocompatibility poly(dimethylsiloxane) (PDMS) is an important material for the development of microelectromechanical systems or long-term, medical implants. The paper describes the morphology modifications and surface chemistry of PDMS during pulse laser treatment. SEM, μ-Raman spectroscopy, ...  Read More

4. Composites of phenolic resin with expanded graphite and conductive carbon black

Carmen G. Renda; Jeferson A. Dias; Roberto Bertholdo; Alessandra A. Lucas

Volume 9, Issue 2 , February 2018, Pages 107-111

  The phenolic resin (PR) is widely studied as matrix for composites due to its promising mechanical properties and chemical stability. However, which regard to electrical conduction, PR is a typical insulator (electrical conductivity around 10 -12 S.cm -1 ), limiting its utilization for electric ...  Read More

5. Narrow bandgap quantum dot diode structures and photoresistors for thermo-photovoltaic and infrared applications 

Karen M. Gambaryan

Volume 9, Issue 2 , February 2018, Pages 112-115

  For the thermophotovoltaic (TPV) and other mid-infrared applications, the narrow bandgap quantum dot (QD) diode structures and photoresistors (PR) based on InAsSbP alloys and InAs industrial substrates are fabricated and investigated. For the nucleation of InAsSbP composition strain-induced QDs in Stranski–Krastanow ...  Read More

6. Waveguide-detector system on silicon for sensor application

J. Alarcón-Salazar; G. V. Vázquez; A. A. González-Fernández; I. E. Zaldívar-Huerta; J. Pedraza-Chávez; M. Aceves-Mijares

Volume 9, Issue 2 , February 2018, Pages 116-122

  A whole silicon monolithic waveguide-detector system is studied. Four different coupling electrophotonic devices are presented. One of them is analyzed in detail. The studied system consists of a planar p-n junction with a waveguide built in a cavity in front of it. The output port of the waveguide faces ...  Read More

7. Walking robot movement on non-smooth surface controlled by pressure sensor

T. K. Maiti; M. Miura-Mattausch;H. J. Mattausch; Y. Ochi; D. Navarro

Volume 9, Issue 2 , February 2018, Pages 123-127

  In this letter, we focus on the robot movement on non-smooth ground-surface, detected by pressure sensor. A simulation tool has been developed to study the robot motion according to the ground-surface condition change. The effect of the robot-foot contact with the ground-surface is considered by elastic ...  Read More

8. Preparation of WS2 Nanosheets from Lithium Intercalation for Hydrogen Evolution 

Yu-Shun Chen; Chia-Wei Chang; Kuan-Bo Lin; Min-Hsiung Hon; Chao-Cheng Kaun; Yen-Hsun Su

Volume 9, Issue 2 , February 2018, Pages 128-131

  In this content, the few-layered 1T-WS2 nanosheets were prepared by chemical exfoliation and applied to study hydrogen evolution reaction. Lithium were introduced from n-butyllithium in hexane solution and showed intercalation into the bulk WS2 powder to form the LixWS2 compound in a teflon lined autoclave ...  Read More

9. Generalized predictive control for DEAP flexible bionic actuator with fuzzy model

Yuan Li; Jinwen Zheng; Zhaoguo Jiang; Qinglin Wang

Volume 9, Issue 2 , February 2018, Pages 132-137

  Dielectric electro-active polymer (DEAP) is novel type of flexible smart materials, which have advantages of lightweight, high energy density and fast response, making them especially suitable for the actuator material of bionic robots. However, DEAP materials generally have hysteresis effect, creep, ...  Read More

10. Effects of C60 film coating on the electrochemical performance of composite LiCoO2 cathodes for lithium secondary batteries

Arenst Andreas Arie; Joong Kee Lee

Volume 9, Issue 2 , February 2018, Pages 138-141

  In this work, LiCoO2(LCO) composite electrodes were coated by fullerene C60 thin film with different thickness of 60, 100 and 200 nm using a plasma thermal evaporation technique. The surface morphology of bare and coated samples was observed by scanning electron microscope (SEM). The electrochemical ...  Read More

11. Selective adsorbtion of low density lipoprotein from blood using porous silicon

Praveen Kumar S; Ramesh R; Aravind T

Volume 9, Issue 2 , February 2018, Pages 142-147

  This work presents the isolation of Low-Density Lipoprotein (LDL) from blood. The blood molecules with size less than 1µm are filtered in the size based crossflow filter technique. Filtered molecules are passed through the Porous Silicon (PSi). The immobilized Anti-Apolipoprotein B (AAB) on the ...  Read More

12. Templated synthesis of mesoscopic titania and its application in the solid-state dye-sensitized solar cells 

Yashwant Pandit; G. T. Harini; Deepa Landage; Chetan J. Bhongale

Volume 9, Issue 2 , February 2018, Pages 148-152

  The formation of mesoscopic titania is done by templated mechanism in which the films are prepared by co-assembly of titania precursor species and complexing agent acetyl acetone (acac) and an amphiphilic structure-directing agent, Pluronic F127 (a triblock copolymer). Thinner films of titania having ...  Read More