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78 Newest Publications about the topic vials

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Human teeth biobank: Microbiological analysis of the teeth storage solution

17-Jan-2018 | Fabiana Almeida Curylofo‐Zotti, Francine Lorencetti‐Silva, Jéssica de Almeida Coelho, Rachel Maciel Monteiro, Evandr ..., Microscopy Research and Technique, 2018

Abstract The cross‐infections may occur during handling of dental elements, affecting the health of dental practitioners and researchers. This study aimed to analyze the influence of the storage medium temperature on the bacterial contingent of the human teeth used for research purposes. ...

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Molecules, Vol. 22, Pages 1797: Ureidopyrazine Derivatives: Synthesis and Biological Evaluation as Anti-Infectives and Abiotic Elicitors

23-Oct-2017 | Bouz, Ghada ; Juhás, Martin ; Niklová, Pavlína ; Janďourek, Ondřej ; Paterová, Pavla ; Janoušek, Jiří ; Tůmová, Lenk ..., Molecules, 2017

Molecules, Vol. 22, Pages 1797: Ureidopyrazine Derivatives: Synthesis and Biological Evaluation as Anti-Infectives and Abiotic Elicitors Molecules doi: 10.3390/molecules22101797 Authors: Ghada Bouz Martin Juhás Pavlína Niklová Ondřej Janďourek Pavla Paterová Jiří ...

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Direct Analysis of Volatile Organic Compounds in Foods by Headspace Extraction Atmospheric Pressure Chemical Ionisation Mass Spectrometry

30-Aug-2017 | P. Perez‐Hurtado, E. Palmer, T. Owen, C. Aldcroft, M.H. Allen, J. Jones, C.S. Creaser, M.R. Lindley, M.A. Turner, J. ..., Rapid Communications in Mass Spectrometry, 2017

Abstract RATIONALE The rapid screening of volatile organic compounds (VOCs) by direct analysis has potential applications in the areas of food and flavour science. Currently the technique of choice for VOC analysis is gas chromatography‐mass spectrometry (GC/MS). However, the long ...

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Pd(OAc)2/Ph3P-catalyzed dimerization of isoprene and synthesis of monoterpenic heterocycles

29-Aug-2017 | Dominik Kellner; Maximilian Weger; Andrea Gini; Olga García Mancheño, Beilstein Journal of Organic Chemistry, 2017

Abstract The palladium-catalyzed dimerization of isoprene is a practical approach of synthesizing monoterpenes. Though several highly selective methods have been reported, most of them still required pressure or costly ligands for attaining the active system and desired selectivity. Herein, we ...

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Zero and second‐derivative synchronous fluorescence spectroscopy for the quantification of two non‐classical β‐lactams in pharmaceutical vials: Application to stability studies

12-Jul-2017 | Eman S. Elzanfaly, Rania M. Youssif, Nahla N. Salama, Ahmed S. Fayed, Hassan A.M. Hendawy, Maissa Y. Salem, Luminescence, 2017

Abstract The formation of metal chelates with various ligands may lead to the production of fluorescent chelates or enhance the fluorescence of the chelating agent. This paper describes two sensitive, selective and computer‐solved methods, namely, zero order (SF) and second‐derivative ...

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Oxidation Stability of Colloidal Two-Dimensional Titanium Carbides (MXenes)

19-May-2017 | Chuanfang John Zhang; Sergio Pinilla; Niall McEvoy; Conor P. Cullen; Babak Anasori; Edmund Long; Sang-Hoon Park; And ..., Chemistry of Materials, 2017

Two-dimensional (2D) transition metal carbides and nitrides (MXenes) have shown outstanding performances in electrochemical energy storage and many other applications. Delamination of MXene flakes in water produces colloidal solutions that are used to manufacture all kinds of products (thin ...

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ssDNA degradation along capillary electrophoresis process using a Tris buffer

02-Mar-2017 | Audrey Ric, Varravaddheay Ong‐Meang, Véréna Poinsot, Nathalie Martins‐Froment, Fabien Chauvet, Audrey Boutonnet, Fré ..., ELECTROPHORESIS, 2017

Tris‐Acetate buffer is currently used in the selection and the characterization of ssDNA by capillary electrophoresis (CE). By applying high voltage, the migration of ionic species into the capillary generates a current that induces water electrolysis. This phenomenon is followed by the ...

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Effects of decomposition on carbon and nitrogen stable isotope values of muscle tissue of varying lipid content from three aquatic vertebrate species

10-Dec-2016 | David J. Yurkowski, Anna J. Hussey, Nigel E. Hussey, Aaron T. Fisk, Rapid Communications in Mass Spectrometry, 2016

Abstract Rationale Stable isotopes are a prominent tool in animal ecology where data is obtained from analyzing animal tissues, which are typically stored prior to analysis. However, the effect of decomposition on the reliability of stable isotope ratios from animal tissue prior to storage ...

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Design and Performance Validation of a Conductively Heated Sealed-Vessel Reactor for Organic Synthesis

18-Nov-2016 | David Obermayer; Desiree Znidar; Gabriel Glotz; Alexander Stadler; Doris Dallinger; C. Oliver Kappe, The Journal of Organic Chemistry, 2016

A newly designed robust and safe laboratory scale reactor for syntheses under sealed-vessel conditions at 250 °C maximum temperature and 20 bar maximum pressure is presented. The reactor employs conductive heating of a sealed glass vessel via a stainless steel heating jacket and implements both ...

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Gas Chromatography‐Mass Spectrometry Measurement of Xenon in Gas‐Loaded Liposomes for Neuroprotective Applications

30-Sep-2016 | Melvin E. Klegerman, Melanie R. Moody, Jermaine R. Hurling, Tao Peng, Shao‐Ling Huang, David D. McPherson, Rapid Communications in Mass Spectrometry, 2016

Abstract Rationale We have produced a liposomal formulation of xenon (Xe‐ELIP) as a neuroprotectant for inhibition of brain damage in stroke patients. This mandates development of a reliable assay to measure the amount of dissolved xenon released from Xe‐ELIP in water and blood ...

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