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180.179 Aktuelle Fachpublikationen von American Chemical Society Publications

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Multifunctional Microwell Arrays for Single Cell Level Functional Analysis of Lymphocytes

19.01.2018 | HyoungJun Park; HyeMi Kim; Junsang Doh, Bioconjugate Chemistry, 2018

Functional analysis of lymphocytes is important for development of vaccines and diagnosis/treatment of various immune-related diseases. In this review, we describe multifunctional microwell arrays that enable functional analysis of lymphocytes at the single cell level. We first discuss key ...

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Quantum Control of Graphene Plasmon Excitation and Propagation at Heaviside Potential Steps

19.01.2018 | Dongli Wang; Xiaodong Fan; Xiaoguang Li; Siyuan Dai; Laiming Wei; Wei Qin; Fei Wu; Huayang Zhang; Zeming Qi; Changga ..., Nano Letters, 2018

Quantum mechanical effects of single particles can affect the collective plasmon behaviors substantially. In this work, the quantum control of plasmon excitation and propagation in graphene is demonstrated by adopting the variable quantum transmission of carriers at Heaviside potential steps as a ...

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Effect of Large Electrolyte Anions on the Sequential Oxidations of Bis(fulvalene)diiron Attached to Glassy Carbon by an Ethynyl Linkage

19.01.2018 | Matthew V. Sheridan; Paul Gamm; Severin T. Schneebeli; Rochus Breuer; Michael Schmittel; William E. Geiger, Langmuir, 2018

Two ethynyl-derivatized isomers of bis(fulvalene)diiron (BFD, 1,1′-biferrocenylene) were prepared and covalently attached to glassy carbon electrodes through their ethynyl group by three different electrode modification methods. Cyclic voltammetry and square wave (SW) voltammetry were used to ...

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High Initial Sputter Rate Found for Vaccinia Virions Using Isotopic Labeling, NanoSIMS, and AFM

19.01.2018 | Sean D. Gates; Richard C. Condit; Nissin Moussatche; Benjamin J. Stewart; Alexander J. Malkin; Peter K. Weber, Analytical Chemistry, 2018

High-lateral-resolution secondary ion mass spectrometry (SIMS) has the potential to provide functional and depth resolved information from small biological structures, such as viral particles (virions) and phage, but sputter rate and sensitivity are not characterized at shallow depths relevant to ...

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Direct Operation of Solid Oxide Fuel Cells on Low-Concentration Oxygen-Bearing Coal-Bed Methane with High Stability

19.01.2018 | Yong Jiao; Liyang Wang; Liqin Zhang; Wenting An; Wei Wang; Wei Zhou; Moses O. Tadé; Zongping Shao; Jianping Bai; Si- ..., Energy & Fuels, 2018

This paper studies the electrochemical feasibility of the direct conversion of low-concentration, oxygen-bearing coal-bed methane (CBM, 30 vol % CH4) to electricity via solid oxide fuel cells (SOFCs). A fuel cell with the LiLaNi–Al2O3/Cu catalyst layer was developed, and a maximum power output of ...

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The High-Resolution 4f–5d Absorption Spectrum of Divalent Dysprosium (Dy2+) in Strontium Chloride Host SrCl2: Fine Structure and Zero-Phonon Transitions Revealed

19.01.2018 | Mirosław Karbowiak; Czesław Rudowicz; Jakub Cichos, Journal of Physical Chemistry A, 2018

The virtual lack of information on electronic spectra of divalent lanthanide elements (Ln2+) other than Sm2+, Eu2+, Tm2+, and Yb2+ has prompted us to set for synthesis and characterization of novel Ln2+ systems. First successful attempt concerned SrCl2/Nd2+ single crystals. Here, we report ...

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Unconventional Fragment Usage Enables a Concise Total Synthesis of (−)-Callyspongiolide

19.01.2018 | Francesco Manoni; Corentin Rumo; Liubo Li; Patrick G. Harran, Journal of the American Chemical Society, 2018

Journal of the American Chemical Society DOI: 10.1021/jacs.7b13591

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Estimation of Static Dissipater Additives in Aviation Turbine Fuels Using ASTM D7524 and ASTM D2624: Observation, Precautions, and Suggestions Thereof

19.01.2018 | Anil Yadav; Maya Chakradhar; Anju Chopra; J. Christopher; G. S. Kapur, Energy & Fuels, 2018

Static dissipater additives (SDAs) are conductivity improver additives that are added to aviation turbine fuels (ATFs) to avoid sudden increase in conductivity that may occur during transfer/pumping of ATF. STADIS 450 has been used globally as the SDA in aviation jet A1. The dosage of SDA into ...

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Improving Mass Spectral Quality of Monoclonal Antibody Middle-Up LC-MS Analysis by Shifting the Protein Charge State Distribution

19.01.2018 | Wei Ding; Difei Qiu; Mark S. Bolgar; Scott A. Miller, Analytical Chemistry, 2018

Monoclonal antibodies (mAbs) are experiencing accelerated development in the pharmaceutical industry. Utilization of middle-up LC-MS methodology can provide detailed characterization of mAbs via reduction and/or enzymatic cleavage of the mAb into smaller protein fragments. However, under typical ...

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Removable Water-Soluble Olefin Metathesis Catalyst via Host–Guest Interaction

19.01.2018 | Cheoljae Kim; Brian A. Ondrusek; Hoyong Chung, Organic Letters, 2018

Organic Letters DOI: 10.1021/acs.orglett.7b03871

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