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   Hooley, Richard J. ( January 2020 , Synlett)

   This Account describes our efforts over the last decade to synthesize self-assembled metal–ligand cage complexes that display reactive functional groups on their interiors. This journey has taken us down a variety of research avenues, including studying the mechanism of reversible self-assembly, analyzing ligand self-sorting properties, post-assembly reactivity, molecular recognition, and binding studies, and finally reactivity and catalysis. Each of these individual topics are discussed here, as are the lessons learned along the way and the future research outlook. These self-assembled hosts are the closest mimics of enzymes to date, as they are capable of size- and shape-selective molecular recognition, substrate activation and turnover, as well as showing less common ‘biomimetic’ properties such as the ability to employ cofactors in reactivity, and alter the prevailing mechanism of the catalyzed reactions. 1 Introduction 2 Paddlewheels and Self-Sorting Behavior 3 First-Row Transition-Metal-Mediated Assembly: Sorting and Stereochemical Control 4 Post-Assembly Reactivity 5 Molecular Recognition and Catalysis 6 Conclusions and Outlook 

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4. Network performance under link disruptions: A comparison of two-way and one-way network configurations

   Yu, Z. ; Gayah, V.V. ( January 2019 , Conference proceedings - National Research Council (U.S.). Transportation Research Board)

   Despite the common belief that one-way streets are more operationally efficient due to their larger capacities, two-way street networks, especially those without left turns at intersections, can outperform one-way street networks when measuring operational performance at a network level (i.e., using total trip completion rates). However, some recent studies indicated that two-way street networks without left turns may be highly vulnerable to disruptive events inside the network. This study uses a kinematic-wave theory model to compare the performance of three network configurations – specifically, two-way, two-way without left turns, and one-way networks – under link disruptions. When road users have prior knowledge about the link disruption and can detour in advance, the two-way network with left turns performs the worst because it has the lowest capacity among the three network configurations. When road users have no prior knowledge about the link disruption and begin to detour only after approaching the disrupted link, two-way networks with and without left turns are both severely impacted. As two-way network with left turns is still constrained by its capacity, degradation in two-way network without left turns is mainly contributed to inflexibility, especially when links in the network center are disrupted. One-way networks appear to more robustly accommodate disruptions both with and without prior knowledge, compared to the other two network configurations. 

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5. A one-way ramp to a two-way highway: Integrated magnetic-free non-reciprocal antenna interfaces for full duplex wireless

   N. Reiskarimian, T. Dinc ( January 2019 , IEEE microwave magazine)

   Since the invention of the radio, transmission and reception have been separated to protect the receiver (Rx) from being jammed by self-interference (SI), i.e., the interference that comes from the colocated radio transmitter (Tx). This separation is called duplexing. Today's wireless systems still rely on duplexing to avoid SI-many short-range or local area radios, such as Bluetooth and WiFi transceivers, transmit and receive in nonoverlapping time slots, called time-division duplexing (TDD), while other modern wireless systems, such as the majority of today's cellular systems, use frequency-division duplexing (FDD) to separate the transmission and reception in the frequency domain. Both TDD and FDD are half duplex, where the separation of the transmitted and received signals of a single user in either frequency or time causes. 

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