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Search: WFRF:(Hassen A)

  • Result 61-63 of 63
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61.
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62.
  • Ul Hassen, A., et al. (author)
  • Free BDD based CAD of compact memristor crossbars for in-memory computing
  • 2018
  • In: Proceedings of the 14th IEEE/ACM International Symposium on Nanoscale Architectures, NANOARCH 2018. - New York, NY, USA : Association for Computing Machinery, Inc. - 9781450358156 ; , s. 107-113
  • Conference paper (peer-reviewed)abstract
    • The demise of Moore's law, breakdown of Dennard Scaling, dark silicon phenomenon, process variation, leakage currents and quantum tunneling are some of the hurdles faced in the further advancement of computing systems today. As a result, there is a renewed interest in alternate computing paradigms using emerging nanoelectronic devices. This work uses free binary decision diagrams (FBDDs) for computer-aided design (CAD) of compact memristive crossbars for sneak-path based in-memory computing. The absence of a fixed variable ordering makes FBDDs more compact than their ordered counterpart called reduced ordered binary decision diagrams (ROBDDs). Our design has used the size of the circuit-representation of Boolean functions for selecting different variable orderings along different paths which results in compact FBDDs. We have demonstrated our approach by designing compact crossbars for a four-bit multiplier and other RevLib benchmarks. Our synthesis process yields a 50.1% reduction in area over the previous FBDD-based synthesis for the fourth-output-bit of the multiplier. Overall, our approach has reduced the multiplier area by 20.1%.
  •  
63.
  • Negeri, Abebe Aseffa, et al. (author)
  • Antimicrobial Resistance Profiling and Molecular Epidemiological Analysis of Extended Spectrum β-Lactamases Produced by Extraintestinal Invasive Escherichia coli Isolates From Ethiopia : The Presence of International High-Risk Clones ST131 and ST410 Revealed
  • 2021
  • In: Frontiers in Microbiology. - : Frontiers Media S.A.. - 1664-302X. ; 12
  • Journal article (peer-reviewed)abstract
    • The treatment of invasive Escherichia coli infections is a challenge because of the emergence and rapid spread of multidrug resistant strains. Particular problems are those strains that produce extended spectrum β-lactamases (ESBL's). Although the global characterization of these enzymes is advanced, knowledge of their molecular basis among clinical E. coli isolates in Ethiopia is extremely limited. This study intends to address this knowledge gap. The study combines antimicrobial resistance profiling and molecular epidemiology of ESBL genes among 204 E. coli clinical isolates collected from patient urine, blood, and pus at four geographically distinct health facilities in Ethiopia. All isolates exhibited multidrug resistance, with extensive resistance to ampicillin and first to fourth line generation cephalosporins and sulfamethoxazole-trimethoprim and ciprofloxacin. Extended spectrum β-lactamase genes were detected in 189 strains, and all but one were positive for CTX-Ms β-lactamases. Genes encoding for the group-1 CTX-Ms enzymes were most prolific, and CTX-M-15 was the most common ESBL identified. Group-9 CTX-Ms including CTX-M-14 and CTX-27 were detected only in 12 isolates and SHV ESBL types were identified in just 8 isolates. Bacterial typing revealed a high amount of strains associated with the B2 phylogenetic group. Crucially, the international high risk clones ST131 and ST410 were among the sequence types identified. This first time study revealed a high prevalence of CTX-M type ESBL's circulating among E. coli clinical isolates in Ethiopia. Critically, they are associated with multidrug resistance phenotypes and high-risk clones first characterized in other parts of the world. 
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  • Result 61-63 of 63
Type of publication
journal article (62)
conference paper (1)
Type of content
peer-reviewed (63)
Author/Editor
Fischer, F (35)
Mokdad, AH (35)
Yonemoto, N (34)
Mohammed, S (33)
Kasaeian, A (32)
Olagunju, AT (31)
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Rawaf, S (31)
Khader, YS (30)
Kisa, A (29)
Shaikh, MA (29)
Singh, JA (29)
Bijani, A (28)
Hay, SI (28)
Koyanagi, A (28)
Samy, AM (28)
Carvalho, F (27)
Khan, EA (27)
Majeed, A (27)
Murray, CJL (27)
Arabloo, J (26)
Dandona, R (26)
Naghavi, M (26)
Ullah, I (26)
Vos, T (26)
Hassen, HY (26)
Badawi, A (25)
Dandona, L (25)
Fernandes, E (25)
Radfar, A (25)
Rafiei, A (25)
Sartorius, B (25)
Tran, BX (25)
Gupta, R. (24)
Alvis-Guzman, N (24)
Daryani, A (24)
Hamidi, S (24)
Ilesanmi, OS (24)
Jonas, JB (24)
Malekzadeh, R (24)
Mendoza, W (24)
Mestrovic, T (24)
Monasta, L (24)
Roshandel, G (24)
Waheed, Y (24)
Filip, I (23)
Haj-Mirzaian, A (23)
Khubchandani, J (23)
Mustafa, G (23)
Tabares-Seisdedos, R (23)
Rahimi-Movaghar, V (23)
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Karolinska Institutet (54)
Lund University (22)
Högskolan Dalarna (20)
Uppsala University (15)
University of Gothenburg (11)
Chalmers University of Technology (10)
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Umeå University (8)
Mid Sweden University (4)
Jönköping University (3)
Södertörn University (3)
Stockholm University (2)
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University of Skövde (1)
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Language
English (63)
Research subject (UKÄ/SCB)
Medical and Health Sciences (42)
Natural sciences (5)
Social Sciences (4)
Engineering and Technology (1)

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