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    Academic Journals

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• Prevention of degradation of [gamma]-irradiated EPDM using phenolic antioxidants

  Authors:Traian Zaharescu, Heloisa A. Zen, Madalina Marinescu, Sandra R. Scagliusi, Elisabeth C.L. Cardoso, and Ademar B. LugaoFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20164,824 words Report 1490LThe mitigation of oxidative degradation under [gamma]-irradiation promoted by eight commercial antioxidants: Ethanox 330, Hostanox O3, Irganox 1010, Topanol OC, Ionox 220, Santonox R, Santowhite, Cyanox 2246 loaded onto...

• Reaction mechanisms of carbon dioxide methanation

  Authors:Erlisa Baraj, Stanislav Vagasky, Tomas Hlincik, Karel Ciahotny, and Viktor TekacFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20166,954 words Report 1350LConstant increase of carbon dioxide emissions from anthropogenic activities leads to the search of options for its recycling and utilization. Although recycled C[O.sub.2] utilization as a raw material for the production...

• Trihexyl(tetradecyl)phosphonium bromide as extractant for Rh(III), Ru(III) and Pt(IV) from chloride solutions

  Authors:Martyna Rzelewska, Monika Baczynska, Magdalena Regel-Rosocka, and Maciej WisniewskiFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20163,297 words Report 1320LRuthenium, rhodium and platinum are the most expensive of noble metals. As their natural sources are limited, it is important to develop an effective process for recovering Rh, Ru and Pt from waste sources. Their main...

• Tannins analysis from different medicinal plants extracts using MALDI-TOF and MEKC

  Authors:Alina Oana Matei, Florentina Gatea, Eugenia Dumitra Teodor, and Gabriel Lucian RaduFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20164,964 words Report 1480LThe matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry (MALDI-TOF) and micellar electrokinetic chromatography (MEKC) methods were used to identify and quantify five tannins, (+)-catechin,...

• Possibilities for removal of chlorinated dye Mordant Blue 9 from model waste water

  Authors:Miroslav Simek, Petr Mikulasek, Petr Kalenda, and Tomas WeidlichFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20163,326 words Report 1500LThis comparative study focused on the different methods used for the treatment of model waste water polluted with the chlorinated acid dye Mordant Blue 9. Low-cost and commercially available ionic liquids--benzalkonium...

• Enzyme-assisted extraction of citrus essential oil

  Authors:Monica L. Chavez-Gonzalez, Lluvia I. Lopez-Lopez, Raul Rodriguez-Herrera, Juan C. Contreras-Esquivel, and Cristobal N. AguilarFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20163,602 words Report 1380LCitrus peels are underutilized in the processing industry and are commonly considered as waste as their chemical composition varies. However, it is possible to recover some value-added products, one of them being...

• Preparation and properties of gelatin films incorporated with N-hydroxysuccinimide-activated end-bit binary acid

  Authors:Chen Zhuang, Fu-Rong Tao, and Yue-Zhi CuiFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20165,379 words Report 1390LA series of novel cross-linkers, N-hydroxysuccinimide (NHS)-activated end-bit binary acid (NHS-[C.sub.4], [C.sub.5], [C.sub.6], [C.sub.8] [C.sub.10], [C.sub.14]), were synthesised to modify gelatin films and the...

• Continuous synthesis of N-ethylethylenediamine over supported Cu-Zn-La catalysts

  Authors:Wang-Wang Fang, Man-Man Mu, Jun Tian, Li-Gong Chen, and Yang LiFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20162,600 words Report 1260LA series of Cu-based catalysts were prepared and employed in the N-ethylation of ethylenediamine with ethanol in a fixed-bed reactor. Satisfying results were obtained using Cu-Zn-La/[Al.sub.2][O.sub.3] as a catalyst. In...

• Synthesis of [Fe.sub.3][O.sub.4]--Ag nanocomposites and their application to enzymeless hydrogen peroxide detection

  Authors:Cheng-Cheng Qi and Jian-Bin ZhengFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20163,681 words Report 1480LTo achieve highly sensitive nonenzymatic detection of [H.sub.2][O.sub.2], a novel electrochemical sensor based on [Fe.sub.3][O.sub.4]-Ag nanocomposites was developed. Nanocomposites were synthesized by reducing...

• Hydrogel supported chiral imidazolidinone for organocatalytic enantioselective reduction of olefins in water

  Authors:Alessandro Sacchetti, Filippo Rossi, Arianna Rossetti, Roberto Pesa, and Emanuele MauriFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20165,197 words Report 1740LChiral products play an important role particularly in the field of medicinal chemistry, where it is known that enantiomers often have very different biological properties and effects. One of the most powerful tool to...

• Prediction of power consumption in mechanically agitated gassed reactor in viscous batch

  Authors:Libor Labik, Tomas Moucha, Frantisek J. Rejl, and Lukas ValenzFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20164,204 words Report 1410LTransport characteristics such as volumetric mass transfer coefficients, [k.sub.L]a, power input, P, gas hold-up, [phi], and mixing time, [t.sub.m], are the key parameters in the design of mechanically agitated...

• Power consumption and gas-liquid dispersion in turbulently agitated vessels with vertical dual-array tubular coil baffles

  Authors:Xun Wan, Yasuyuki Takahata, and Koji TakahashiFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20164,250 words Report 1420LIn this work vertical dual-array tubular coil baffles arranged in groups of four, six or eight were investigated and the results compared with those from four planar baffles. The baffle coefficients for a single phase,...

• Differentiation of black, green, herbal and fruit bagged teas based on multi-element analysis using inductively-coupled plasma atomic emission spectrometry

  Authors:Jovana N. Veljkovic, Aleksandra N. Pavlovic, Jelena M. Brcanovic, Snezana S. Mitic, Snezana B. Tosic, Emilija T. Pecev-Marinkovic, et al.From:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20164,566 words Report 1430LIn the present paper, multi-element characterisation of 26 bagged teas was carried out using inductively-coupled plasma atomic emission spectrometry. Na, K, Ca and Mg were the metals with major contents. Among the...

• Experimental investigations of liquid flow in pipe with flat internal baffles

  Authors:Jan Talaga and Ryszard WojtowiczFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20164,421 words Report 1450LLiquid flow in a tubular reactor with flat internal baffles of various widths was investigated. On the basis of the laser Doppler anemometry (LDA) measurements, the main flow parameters, i.e. the mean and fluctuating...

• Synthesis and properties of novel reusable nano-ordered KIT-5-B-sulfamic acid as a heterogeneous catalyst for solvent-free synthesis of 2,4,5-triaryl-1 H-imidazoles

  Authors:Razieh Mirsafaei, Majid M. Heravi, Shervin Ahmadi, and Tayebeh HosseinnejadFrom:Chemical Papers (Vol. 70, Issue 4) Peer-Reviewed

  Apr. 20165,897 words Report 1440LA novel silica-bonded propyl-N-sulfamic acid nanocatalyst (NHS[O.sub.3]H-KIT-5) supported on modified silica mesopore KIT-5 as an organic-inorganic hybrid with high specific surface area was successfully prepared. The...