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Quinine Bitterness and Grapefruit Liking Associate with Allelic Variants in TAS2R31

01-Jul-2015 | John E. Hayes; Emma L. Feeney; Alissa A. Nolden; John E. McGeary, Chemical Senses, 2015

Multiple psychophysical gene-association studies suggest a single nucleotide polymorphism (SNP) within the bitter receptor gene TAS2R19 on chromosome 12 may be functional. Previously, the Arg299Cys SNP (rs10772420) has been associated with differential bitterness of quinine and differential ...


In vitro and in vivo dermal absorption assessment of Acetyl Aspartic Acid: a compartmental study

26-Jun-2015 | Lucie Duracher, Lene Visdal‐Johnsen, Alain Mavon, International Journal of Cosmetic Science, 2015

Abstract Objective The purpose of this study was to evaluate the dermal absorption of acetyl aspartic acid (A‐A‐A) through an in vitro and in vivo evaluation with human skin after 6 and 24 hours topical application of a cosmetic formulation containing A‐A‐A at 1%. Methods The in vitro ...


Perspectives of geminal methods for large molecular systems

26-Jun-2015 | Andrey M. Tokmachev, International Journal of Quantum Chemistry, 2015

Geminals are counterparts of two‐electron chemical bonds and lone pairs in the realm of wave functions. Antisymmetrized products of geminals provide a solid framework for studies of electron pairing in molecular systems. Natural advantages of geminal wave functions such as the correct ...


Sustainability, Vol. 7, Pages 8067-8090: Evidence and Experience of Open Sustainability Innovation Practices in the Food Sector

24-Jun-2015 | Arcese, Gabriella ; Flammini, Serena ; Lucchetti, Maria Caludia; Martucci, Olimpia, Sustainability, 2015

The adoption of an “open sustainability innovation” approach in business could be a strategic advantage to reach both industry objectives and sustainability goals. The food sector is facing a constant increase in competition. In order to address the high competition that involves the food ...


Asymmetric Catalytic Cascade Reactions for Constructing Diverse Scaffolds and Complex Molecules

23-Jun-2015 | Yao Wang; Hong Lu; Peng-Fei Xu, Accounts of Chemical Research, 2015

ConspectusWith the increasing concerns about chemical pollution and sustainability of resources, among the significant challenges facing synthetic chemists are the development and application of elegant and efficient methods that enable the concise synthesis of natural products, drugs, and ...


Quantitative Analysis of Energy Transfer and Origin of Quenching in Er3+/Ho3+ Codoped Germanosilicate Glasses

23-Jun-2015 | Tao Wei; Ying Tian; Cong Tian; Muzhi Cai; Xufeng Jing; Bingpeng Li; Rong Chen; Junjie Zhang; Shiqing Xu, Journal of Physical Chemistry A, 2015

The energy transfer mechanism between Ho3+ and Er3+ ions has been investigated in germanosilicate glass excited by 980 nm laser diode. A rate equation model was developed to demonstrate the energy transfer from Er3+ to Ho3+ ions, quantitatively. Energy transfer efficiency from the Er3+:4I13/2 to ...


Basicity Limits of Neutral Organic Superbases

19-Jun-2015 | Ivo Leito, Ilmar A. Koppel, Ivar Koppel, Karl Kaupmees, Sofja Tshepelevitsh, Jaan Saame, Angewandte Chemie International Edition, 2015

Abstract The potential limits of superbasicity achievable with different families of neutral bases by expanding the molecular framework are explored using DFT computations. A number of different core structures of non‐ionic organosuperbases are considered (such as phosphazenes, ...


Energies, Vol. 8, Pages 6033-6058: Energy Crop-Based Biogas as Vehicle Fuel—The Impact of Crop Selection on Energy Efficiency and Greenhouse Gas Performance

18-Jun-2015 | Börjesson, Pål ; Prade, Thomas ; Lantz, Mikael ; Björnsson, Lovisa, Energies, 2015

The production of biogas from six agricultural crops was analysed regarding energy efficiency and greenhouse gas (GHG) performance for vehicle fuel from a field-to-tank perspective, with focus on critical parameters and on calculation methods. The energy efficiency varied from 35% to 44%, ...


Authentication of Botanical Origin in Herbal Teas by Plastid Noncoding DNA Length Polymorphisms

17-Jun-2015 | Ali Tevfik Uncu; Ayse Ozgur Uncu; Anne Frary; Sami Doganlar, Journal of Agricultural and Food Chemistry, 2015

The aim of this study was to develop a DNA barcode assay to authenticate the botanical origin of herbal teas. To reach this aim, we tested the efficiency of a PCR-capillary electrophoresis (PCR-CE) approach on commercial herbal tea samples using two noncoding plastid barcodes, the trnL intron and ...


Resist Materials for Extreme Ultraviolet Lithography: Toward Low‐Cost Single‐Digit‐Nanometer Patterning

16-Jun-2015 | Paul D. Ashby, Deirdre L. Olynick, D. Frank Ogletree, Patrick P. Naulleau, Advanced Materials, 2015

Extreme ultraviolet lithography (EUVL) is the leading technology for enabling miniaturization of computational components over the next decade. Next‐generation resists will need to meet demanding performance criteria of 10 nm critical dimension, 1.2 nm line‐edge roughness, and 20 mJ cm–2 ...


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