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47 Newest Publications about the topic spectrophotometers
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Sensors, Vol. 13, Pages 6394-6404: Performance of a Cyanobacteria Whole Cell-Based Fluorescence Biosensor for Heavy Metal and Pesticide Detection
14-05-2013 | Wong, Ling Shing ; Lee, Yook Heng ; Surif, Salmijah, Sensors, 2013
Whole cell biosensors always face the challenge of low stability of biological components and short storage life. This paper reports the effects of poly(2-hydroxyethyl methacrylate) (pHEMA) immobilization on a whole cell fluorescence biosensor for the detection of heavy metals (Cu, Pb, Cd), ...
A novel membrane diffusion process for the preparation of chitosan/hydroxyapatite composite
03-05-2013 | Wanpen Tachaboonyakiat, Dusida Sahawat, Journal of Applied Polymer Science, 2013
ABSTRACT The aim of this study was to create a suitable method to hybridize hydroxyapatite into chitosan solution with a good dispersion of inorganic matter in the organic phase. The preparation of chitosan/hydroxyapatite composites via a membrane diffusion process was evaluated and ...
Effect of Alkyl Chain of Room Temperature Ionic Liquid (RTILs) on the Phase Behavior of [C2mim][CnSO4]/TX-100/Cyclohexane Microemulsions: Solvent and Rotational Relaxation Study
03-05-2013 | Surajit Ghosh; Chiranjib Banerjee; Sarthak Mandal; Vishal Govind Rao; Nilmoni Sarkar, Journal of Physical Chemistry B, 2013
In this investigation, we present microemulsions comprising a nonionic surfactant, Triton X-100 (TX-100), cyclohexane as nonpolar phase, and room temperature ionic liquids (RTILs) as a polar medium. To investigate the effect of alkyl chain length of ionic liquid on the physicochemical ...
Materials, Vol. 6, Pages 1608-1620: Accelerated Thermal Cycling Test of Microencapsulated Paraffin Wax/Polyaniline Made by Simple Preparation Method for Solar Thermal Energy Storage
29-04-2013 | Silakhori, Mahyar ; Naghavi, Mohammad Sajad; Metselaar, Hendrik Simon Cornelis; Mahlia, Teuku Meurah Indra; Fauzi, H ..., Materials, 2013
Microencapsulated paraffin wax/polyaniline was prepared using a simple in situ polymerization technique, and its performance characteristics were investigated. Weight losses of samples were determined by Thermal Gravimetry Analysis (TGA). The microencapsulated samples with 23% and 49% ...
Structural and optical properties of nanostructural V2O5 thin films deposited by spray pyrolysis technique: Effect of the substrate temperature
08-04-2013 | Materials Chemistry and Physics, 2013
15 May 2013 Publication year: 2013Source:Materials Chemistry and Physics, Volume 139, Issues 2–3 V2O5 thin films were deposited on glass substrates by spray pyrolysis technique. The variation in the structural and optical properties with a variation in the substrate temperature ...
A Comparison on Physical, Structural, and Photocatalytical Properties of TiO2 Nanopowders Produced Using Sol‐Gel and Flame Spray Pyrolysis
03-04-2013 | Mustafa Erol, Orkut Sancakoglu, Metin Yurddaskal, Serdar Yildirim, Erdal Çelik, International Journal of Applied Ceramic Technology, 2013
In this study, nanoscale photocatalyst TiO2 powders were synthesized via sol‐gel and flame spray pyrolysis (FSP). Phase structures and ratios were analyzed by X‐ray diffractometer (XRD). Size, specific surface area, and morphologies were determined using particle size analyzer, ...
Preparation, characterization, and mechanical properties of poly(ε‐caprolactone)/polylactic acid blend composites
27-03-2013 | Noel Ibrahim Akos, Mat Uzir Wahit, Rahmah Mohamed, Abdirahman Ali Yussuf, Polymer Composites, 2013
Abstract Mechanical properties of poly(ε‐caprolactone) (PCL) and polylactic acid (PLA) blend reinforced with Dura and Tenera palm press fibers were studied. Dicumyl peroxide (DCP) was used as compatibilizer in the blend composites. Fourier transforms infrared spectrophotometer (FTIR) and ...
A comparative study of the interaction of two structurally analogous ruthenium complexes with human telomeric G-quadruplex DNA
18-03-2013 | Journal of Inorganic Biochemistry, 2013
April 2013 Publication year: 2013Source:Journal of Inorganic Biochemistry, Volume 121 Two new polypyridine ligands and their corresponding ruthenium(II) complexes have been prepared and characterized. The interactions of both complexes with human telomere quadruplex DNA (both the ...
Synthesis of highly monodisperse quantum dot‐loaded polymer beads by impregnation and precipitation techniques
22-02-2013 | Jiean Chen, Chengli Yang, Xue Li, Heng Zhang, Biwang Jiang, Journal of Polymer Science Part A: Polymer Chemistry, 2013
Abstract A novel approach to the synthesis of highly monodisperse quantum dot‐loaded polymer beads by combining impregnation and precipitation techniques was reported. The monodisperse poly(glycidyl methacrylate) (PGMA) beads were first synthesized by dispersion polymerization. Then, the ...
IJMS, Vol. 14, Pages 3671-3682: Synthesis and Characterization of the Inclusion Complex of β-cyclodextrin and Azomethine
07-02-2013 | Sambasevam, Kavirajaa Pandian; Mohamad, Sharifah ; Sarih, Norazilawati Muhamad; Ismail, Nor Atiqah, International Journal of Molecular Sciences, 2013
A β-cyclodextrin (β-Cyd) inclusion complex containing azomethine as a guest was prepared by kneading method with aliquot addition of ethanol. The product was characterized by Fourier Transform Infrared (FTIR) spectrometer, 1H Nuclear Magnetic Resonance (1H NMR) and Thermogravimetric ...
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