Chemistry and Materials Science

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  1. Research

    Fabrication and vibration characterization of curcumin extracted from turmeric (Curcuma longa) rhizomes of the northern Vietnam

    In this report, we present the research results on using the conventional method and microwave technology to extract curcuminoid from turmeric roots originated in different regions of Northern Vietnam. This me...

    Hoang Van Nong, Le Xuan Hung, Pham Nam Thang, Vu Duc Chinh, Le Van Vu, Phan Tien Dung, Tran Van Trung and Pham Thu Nga

    SpringerPlus 2016 5:1147

    Published on: 22 July 2016

  2. Research

    Abietane and nor-abitane diterpenoids from the roots of Salvia rhytidea

    The genus Salvia is a rich source of structurally diverse terpenoids. Different species of the Salvia have been used in folk medicine of Iran and therefore attracted the attention of researchers for exploring the...

    Farrokh Eghtesadi, Mahdi Moridi Farimani, Nourallah Hazeri and Jafar Valizadeh

    SpringerPlus 2016 5:1068

    Published on: 13 July 2016

  3. Methodology

    Sucrose and KF quenching system for solution phase parallel synthesis

    The KF, sucrose (table sugar) exploited as quenching system in solution phase parallel synthesis. Excess of electrophiles were covalently trapped with hydroxyl functionality of sucrose and due to polar nature ...

    Sunil Chavan, Rahul Watpade and Raghunath Toche

    SpringerPlus 2016 5:1058

    Published on: 12 July 2016

  4. Research

    Simultaneous determination of six active metabolites in Astragalus mongholicus (Fisch.) Bge. under salt stress by ultra-pressure liquid chromatography with tandem mass spectrometry

    Astragalus membranaceus Bge. var. mongholicus (Bge.) Hsiao (A. mongholicus, family Leguminosae) is one of the most important traditional Chinese herbs because it contains lots of bioactiv...

    Yang Liu, Jia Liu, Yu Wang, Ann Abozeid and Zhong-Hua Tang

    SpringerPlus 2016 5:927

    Published on: 30 June 2016

  5. Research

    Modeling solubility and acid–base properties of some amino acids in aqueous NaCl and (CH3)4NCl aqueous solutions at different ionic strengths and temperatures

    New potentiometric experiments have been performed in NaCl and in (CH3)4NCl media, to determine the protonation constants, the protonation enthalpy changes and the solubility of six natural α-amino acids, namely...

    Clemente Bretti, Ottavia Giuffrè, Gabriele Lando and Silvio Sammartano

    SpringerPlus 2016 5:928

    Published on: 30 June 2016

  6. Research

    Natural deep eutectic solvents: cytotoxic profile

    The purpose of this study was to investigate the cytotoxic profiles of different ternary natural deep eutectic solvents (NADESs) containing water. For this purpose, five different NADESs were prepared using ch...

    Maan Hayyan, Yves Paul Mbous, Chung Yeng Looi, Won Fen Wong, Adeeb Hayyan, Zulhaziman Salleh and Ozair Mohd-Ali

    SpringerPlus 2016 5:913

    Published on: 29 June 2016

  7. Research

    Ammonium chloride catalyzed synthesis of novel Schiff bases from spiro[indoline-3,4′-pyran]-3′-carbonitriles and evaluation of their antimicrobial and anti-breast cancer activities

    Indolinone and spiro-indoline derivatives have been employed in the preparation of different important therapeutic compounds required for treatment of anticonvulsants, antibacterial, Antitubercular, and antica...

    Hossa F. Al-Shareef, Heba A. Elhady, Amany H. Aboellil and Essam M. Hussein

    SpringerPlus 2016 5:887

    Published on: 24 June 2016

  8. Research

    Habitual dietary protein intake affects body iron status in Japanese female college rhythmic gymnasts: a follow-up study

    Many rhythmic gymnasts stay lean by reducing their body weight (BW); however, this may result in iron deficiency (ID). Our previous cross-sectional study reported an association between ID incidence and protei...

    Yuki Kokubo, Kumiko Kisara, Yuri Yokoyama, Yoshiko Ohira-Akiyama, Yuki Tada, Azumi Hida, Sakuko Ishizaki and Yukari Kawano

    SpringerPlus 2016 5:862

    Published on: 24 June 2016

  9. Research

    Effect of heat wave at the initial stage in spark plasma sintering

    Thermal effects are important considerations at the initial stage in spark plasma sintering of non-conductive Al2O3 powders. The generalized thermo-elastic theory is introduced to describe the influence of the he...

    Long Zhang, Xiaomin Zhang, Zhongxiang Chu, Song Peng, Zimin Yan and Yuan Liang

    SpringerPlus 2016 5:838

    Published on: 22 June 2016

  10. Research

    Synthesis and research of epoxy resin toughening agent

    In this paper, a synthesis method of epoxy resin toughening agent was presented, then the chemical composition and molecular number were studied, which include the DSC curves analysis, the fracture surface mor...

    Hongming Ma, Nannan Hu, Cheng Wu, Yinfeng Zhu, Yi Cao and Qing Qing Chen

    SpringerPlus 2016 5:806

    Published on: 21 June 2016

  11. Research

    Effects of aging on the structural, mechanical, and thermal properties of the silicone rubber current transformer insulation bushing for a 500 kV substation

    In order to analyze the cracking and aging reason of the silicone rubber current transformer (CT) insulation bushing used for 8 years from a 500 kV alternating current substation, characteristics including Fou...

    Zhigao Wang, Xinghai Zhang, Fangqiang Wang, Xinsheng Lan and Yiqian Zhou

    SpringerPlus 2016 5:790

    Published on: 21 June 2016

  12. Research

    Assessment of selected nutrients and toxic metals in fruits, soils and irrigation waters of Awara Melka and Nura Era farms, Ethiopia

    The objective of the present study was to determine the levels of essential nutrients (Na, K, Ca, Mg, Fe, Cu, Zn, Mn) and toxic metals (Pb and Cd) in selected varieties of fruits (banana, grape, guava, mandari...

    Shambel G. Yami, Bhagwan Singh Chandravanshi, Taddese Wondimu and Cherinet Abuye

    SpringerPlus 2016 5:747

    Published on: 16 June 2016

  13. Research

    Electronic specific heats for amorphous and crystallized alloys

    The low temperature specific heats of (Fe0.5Co0.5)72B20Si4Nb4 amorphous and crystallized alloys are measured and analyzed from 1.4 to 110 K. Specific heats can be well fitted by electronic and phonon contribution...

    Long Hou, Jinyong Mo, Qingling Liu, Haishun Liu, Weiming Yang and Baolong Shen

    SpringerPlus 2016 5:699

    Published on: 23 May 2016

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