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Morgan Lombardo,Amanda DiPiazza,Kelly Rippey,Naomi Lubarr,Elana Clar,Hooman Azmi 대한파킨슨병및이상운동질환학회 2020 Journal Of Movement Disorders Vol.13 No.2
The treatment of delirium or psychosis in patients with Parkinson’s disease (PD) can be complicated by the limited number ofpharmacological agents that can be used in this population. Typical and atypical antipsychotics are contraindicated, as they canworsen motor symptoms. The treatment of acute delirium is even more complicated in the hospital setting, as many medicationsdeemed safer in this population are only available in oral form. We present a case of acute delirium in a patient with PD, likelyprecipitated by a polypharmacy interaction of new medications, that was successfully managed by transferring the patient to theintensive care unit and administering dexmedetomidine for 72 hours.
An Unusual Recurrent Bile Leak Following High Grade Liver Trauma
Morgan E Jones,Ee Jun Ban,Charles H. C. Pilgrim 대한외상중환자외과학회 2021 Journal of Acute Care Surgery Vol.11 No.3
Non-operative management of blunt liver injury has been demonstrated as a safe and effective treatment for most grades of injury. As the severity of liver injury increases, so does the risk of complications. A 21-year-old male was brought to the trauma center following a high speed motorbike accident. He underwent a laparotomy and angioembolization for a Grade 4 liver injury. A biloma was diagnosed on Day 18 post injury, and he underwent Endoscopic Retrograde Cholangiopancreatography and biliary stenting which were unsuccessful. There were 2 re-admissions for infected perihepatic collections. In this case, an Endoscopic Retrograde Cholangiopancreatography was not a helpful procedure due to a disconnected liver segment, and morbidity occurred due to instrumentation of the biliary tree (the likely cause of infected biloma). Hepatic resection should be considered for patients who fail non-operative management. Further assessment of efficacy using a larger dataset for analysis is required.
Morgan Meyer,Cornelius Heimstädt 한국식물생명공학회 2019 Plant biotechnology reports Vol.13 No.5
How have national institutions and committees from EU member states positioned themselves regarding the use of gene editing in agriculture? To answer this question, this article examines and compares 11 official reports and position statements from 7 European countries: Germany, France, the Netherlands, Italy, Spain, Denmark, and Sweden. The various kinds of issues that are addressed and arguments that are made in the reports are coded into large categories (innovation, risk, ethics, legislation, etc.) and are analyzed. The paper discusses the main similarities and differences in terms of how the governance of gene editing is problematized. In doing so, the paper aims to provide a useful resource to broaden debates on the future regulation of gene editing within and beyond Europe.
MECHANISM INDUCING GAS SUPPLY TO THE CENTRAL 10 PARSEC OF THE MILKY WAY
Morgan, Hannah L.,Kim, Sungsoo S.,Shin, Jihye,Chun, Kyungwon,Park, So-Myoung,Lee, Joowon,Minh, Young Chol The Korean Astronomical Society 2020 Journal of The Korean Astronomical Society Vol.53 No.6
We investigate the plausibility of mass return, from stellar mass loss processes within the central ~100 pc region of the Milky Way (the inner nuclear bulge), as a mass supply mechanism for the Circumnuclear Disk (CND). Gas in the Galactic disk migrates inward to the Galactic centre due to the asymmetric potential caused by the Galactic bar. The inward migration of gas stops and accumulates to form the central molecular zone (CMZ), at 100-200 pc from the Galactic center. It is commonly assumed that stars have formed in the CMZ throughout the lifetime of the Galaxy and have diffused inward to form a 'r-2 stellar cusp' within the inner nuclear bulge. We propose that the stars migrating inward from the CMZ supply gas to the inner nuclear bulge via stellar mass loss, resulting in the formation of a gas disk along the Galactic plane and subsequent inward migration down to the central 10 pc region (CND). We simulate the evolution of a gas distribution that initially follows the stellar distribution of the aforementioned stellar cusp, and illustrate the potential gas supply toward the CND.
FEEDBACK FRAMING IN LOYALTY PROGRAMS: A CROSS-CULTURAL INVESTIGATION
Morgan X. Yang,Kevin J. Zeng,Haksin Chan 글로벌지식마케팅경영학회 2018 Global Marketing Conference Vol.2018 No.07
This research addresses an important, yet under-researched, issue concerning the management of loyalty programs (LPs) in the era of globalization: how to effectively motivate LP members from different cultures to continue the reward pursuit process. Drawing on cross-cultural research and regulatory fit theory, we identify feedback framing as a low-cost, easy-to-implement strategy for building program loyalty across cultures. Two cross-cultural studies confirm all the hypotheses about the effects of feedback framing. Overall, this research advances theoretical understanding of reward pursuit behavior across cultures and offers practical advice for managing LPs in different cultural contexts.
Concurrency Conflicts Resolution for IoT Using Blockchain Technology
Morgan, Amr,Tammam, Ashraf,Wahdan, Abdel-Moneim International Journal of Computer ScienceNetwork S 2021 International journal of computer science and netw Vol.21 No.7
The Internet of Things (IoT) is a rapidly growing physical network that depends on objects, vehicles, sensors, and smart devices. IoT has recently become an important research topic as it autonomously acquires, integrates, communicates, and shares data directly across each other. The centralized architecture of IoT makes it complex to concurrently access control them and presents a new set of technological limitations when trying to manage them globally. This paper proposes a new decentralized access control architecture to manage IoT devices using blockchain, that proposes a solution to concurrency management problems and enhances resource locking to reduce the transaction conflict and avoids deadlock problems. In addition, the proposed algorithm improves performance using a fully distributed access control system for IoT based on blockchain technology. Finally, a performance comparison is provided between the proposed solution and the existing access management solutions in IoT. Deadlock detection is evaluated with the latency of requesting in order to examine various configurations of our solution for increasing scalability. The main goal of the proposed solution is concurrency problem avoidance in decentralized access control management for IoT devices.
Morgan Chabanon,Hervé Duval,Jérôme Grenier,Claire Beauchesne,Benoit Goyeau,Bertrand David 한국조직공학과 재생의학회 2019 조직공학과 재생의학 Vol.16 No.3
BACKGROUND: Tissue engineering represents a promising approach for the production of bone substitutes. The use of perfusion bioreactors for the culture of bone-forming cells on a three-dimensional porous scaffold resolves mass transport limitations and provides mechanical stimuli. Despite the recent and important development of bioreactors for tissue engineering, the underlying mechanisms leading to the production of bone substitutes remain poorly understood. METHODS: In order to study cell proliferation in a perfusion bioreactor, we propose a simplified experimental set-up using an impermeable scaffold model made of 2 mm diameter glass beads on which mechanosensitive cells, NIH-3T3 fibroblasts are cultured for up to 3 weeks under 10 mL/min culture medium flow. A methodology combining histological procedure, image analysis and analytical calculations allows the description and quantification of cell proliferation and tissue production in relation to the mean wall shear stress within the bioreactor. RESULTS: Results show a massive expansion of the cell phase after 3 weeks in bioreactor compared to static control. A scenario of cell proliferation within the three-dimensional bioreactor porosity over the 3 weeks of culture is proposed pointing out the essential role of the contact points between adjacent beads. Calculations indicate that the mean wall shear stress experienced by the cells changes with culture time, from about 50 mPa at the beginning of the experiment to about 100 mPa after 3 weeks. CONCLUSION: We anticipate that our results will help the development and calibration of predictive models, which rely on estimates and morphological description of cell proliferation under shear stress.