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Price Undertakings in EU Anti-dumping Proceedings-an Instrument of the Past?
( Armin Steinbach ) 세종대학교 경제통합연구소 2014 Journal of Economic Integration Vol.29 No.1
Price undertakings are alternatives to imposing anti-dumping duties. In the past, almost half of EU anti-dumping measures were price undertakings. This has drastically changed in recent years. We identify four reasons for the decreasing relevance of price undertakings. First, prior to the accession of Eastern European Countries (EEC) to the EU, price undertakings were heavily used vis-a-vis EEC. At the same time, China became frequent subject of anti-dumping proceedings, where undertakings were rarely used due to monitoring issues. Second, unlike anti-dumping duties, price undertakings are often difficult to monitor and can be circumvented more easily. Third, there are reasons related to the suitability of price undertakings to remove dumping practice and injurious effects, particularly in the context of high price volatility. Fourth, price undertakings may have potentially anti-competitive effects, as minimum prices tend to exacerbate competition policies.
Molina, Mariana,Steinbach, Simone,Park, Young Mok,Yun, Su Yeong,Di Lorenzo Alho, Ana Tereza,Heinsen, Helmut,Grinberg, Lea T,Marcus, Katrin,Leite, Renata E Paraizo,May, Caroline Springer 2015 JOURNAL OF NEURAL TRANSMISSION Vol.122 No.7
<P>Brain function in normal aging and neurological diseases has long been a subject of interest. With current technology, it is possible to go beyond descriptive analyses to characterize brain cell populations at the molecular level. However, the brain comprises over 100 billion highly specialized cells, and it is a challenge to discriminate different cell groups for analyses. Isolating intact neurons is not feasible with traditional methods, such as tissue homogenization techniques. The advent of laser microdissection techniques promises to overcome previous limitations in the isolation of specific cells. Here, we provide a detailed protocol for isolating and analyzing neurons from postmortem human brain tissue samples. We describe a workflow for successfully freezing, sectioning and staining tissue for laser microdissection. This protocol was validated by mass spectrometric analysis. Isolated neurons can also be employed for western blotting or PCR. This protocol will enable further examinations of brain cell-specific molecular pathways and aid in elucidating distinct brain functions.</P>
Postmortem proteomics to discover biomarkers for forensic PMI estimation
Choi, Kyoung-Min,Zissler, Angela,Kim, Eunjung,Ehrenfellner, Bianca,Cho, Eunji,Lee, Se-in,Steinbacher, Peter,Yun, Ki Na,Shin, Jong Hwan,Kim, Jin Young,Stoiber, Walter,Chung, Heesun,Monticelli, Fabio Ca Springer Berlin Heidelberg 2019 International journal of legal medicine Vol.133 No.3
<P>The assessment of postmortem degradation of skeletal muscle proteins has emerged as a novel approach to estimate the time since death in the early to mid-postmortem phase (approximately 24 h postmortem (hpm) to 120 hpm). Current protein-based methods are limited to a small number of skeletal muscle proteins, shown to undergo proteolysis after death. In this study, we investigated the usability of a target-based and unbiased system-wide protein analysis to gain further insights into systemic postmortem protein alterations and to identify additional markers for postmortem interval (PMI) delimitation. We performed proteomic profiling to globally analyze postmortem alterations of the rat and mouse skeletal muscle proteome at defined time points (0, 24, 48, 72, and 96 hpm), harnessing a mass spectrometry-based quantitative proteomics approach. Hierarchical clustering analysis for a total of 579 (rat) and 896 (mouse) quantified proteins revealed differentially expressed proteins during the investigated postmortem period. We further focused on two selected proteins (eEF1A2 and GAPDH), which were shown to consistently degrade postmortem in both rat and mouse, suggesting conserved intra- and interspecies degradation behavior, and thus preserved association with the PMI and possible transferability to humans. In turn, we validated the usefulness of these new markers by classical Western blot experiments in a rat model and in human autopsy cases. Our results demonstrate the feasibility of mass spectrometry–based analysis to discover novel protein markers for PMI estimation and show that the proteins eEF1A2 and GAPDH appear to be valuable markers for PMI estimation in humans.</P><P><B>Electronic supplementary material</B></P><P>The online version of this article (10.1007/s00414-019-02011-6) contains supplementary material, which is available to authorized users.</P>
Novel Indole Derivatives as Potential Imaging Agents for Alzheimer's Disease
Yu, Lihai,Scheunemann, Matthias,Deuther-Conrad, Winnie,Hiller, Achim,Fischer, Steffen,Sorger, Dietlind,Sabri, Osama,Jia, Hongmei,Steinbach, Jorg,Brust, Peter,Liu, Boli Korean Chemical Society 2010 Bulletin of the Korean Chemical Society Vol.31 No.1
H.R. Godini,S. Xiao,M. Kim,N. Holst,S. Jaso,O. Gorke,J. Steinbach,G. Wozny 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.4
Performance of the oxidative coupling of methane (OCM) reactions in a porous packed bed membrane reactor (PBMR) was analyzed using a detailed two-dimensional model which considers the mass and heat transfer in both radial and axial directions. In order to investigate the relative effects of diffusion and catalyst activity on the predicted performance of the membrane reactor, the kinetics of two different catalysts, La2O3/CaO and Mn–Na2WO4/SiO2, were implemented in the model. It was observed that the significant overprediction of methane conversion by one-dimensional model, which is sometimes twice of its real value, can be avoided using the two-dimensional model. The mechanisms through which different parameters can be exploited to improve the reactor performance were also studied. It was observed, the selectivity and yield of the desired products in membrane reactor can be significantly improved by tunning the driving force radial for heat transfer and the operating temperature inside the reactor. This is achieved by exploiting a proper set of operating temperature for pre-heating and the surrounding medium temperature. Moreover, exploiting other parameters such as feed flow rate to ensure a proper contact time and effective axial and radial convection heat transfer was also investigated. The results of the experimental investigation of the Mn–Na2WO4/SiO2 catalyst in a membrane reactor, confirmed the precision of the developed model. The reported detailed analysis in this paper enables one to predict the both reaction and thermal performance of the OCM membrane reactor and improve its design characteristics accordingly.