Search
Results
-
Highly selective, reversible water activation by P,N-cooperativity in pyridyl-functionalized phosphinines
(2024)Chemical ScienceTetrapyridyl-functionalized phosphinines were prepared and structurally characterized. The donor-functionalized aromatic phosphorus heterocycles react highly selectively and even reversibly with water. Calculations reveal P,N-cooperativity for this process, with the flanking pyridyl groups serving to kinetically enhance the formal oxidative addition process of H2O to the low-coordinate phosphorus atom via H-bonding. Subsequent tautomerization ...Journal Article -
Virus removal from drinking water using modified activated carbon fibers
(2021)RSC AdvancesActivated carbon (AC) exhibits superior sorption properties compared to other porous materials, due to well-developed porous structures and high surface areas. Therefore, it is widely applied in its various forms in water purification to remove a diverse range of contaminating species. The presence of viruses in fresh water bodies poses a serious issue for human health. However, AC has not yet been commonly applied to waterborne virus ...Journal Article -
Rock ‘n’ use of CO2: carbon footprint of carbon capture and utilization by mineralization
(2020)Sustainable Energy & FuelsA recent approach to reduce the carbon footprint of industries with process-inherent CO2 emissions is CO2 mineralization. Mineralization stores CO2 by converting it into a thermodynamically stable solid. Beyond storing CO2, the products of CO2 mineralization can potentially substitute conventional products in several industries. Substituting conventional production increases both the economic and the environmental potential of carbon ...Journal Article -
Living β-selective cyclopolymerization using Ru dithiolate catalysts
(2019)Chemical ScienceCyclopolymerization (CP) of 1,6-heptadiyne derivatives is a powerful method for synthesizing conjugated polyenes containing five- or six-membered rings via α- or β-addition, respectively. Fifteen years of studies on CP have revealed that user-friendly Ru-based catalysts promoted only α-addition; however, we recently achieved β-selective regiocontrol to produce polyenes containing six-membered-rings, using a dithiolate-chelated Ru-based ...Journal Article -
The Perception of Emotion in Artificial Agents
(2018)IEEE Transactions on Cognitive and Developmental SystemsGiven recent technological developments in robotics, artificial intelligence, and virtual reality, it is perhaps unsurprising that the arrival of emotionally expressive and reactive artificial agents is imminent. However, if such agents are to become integrated into our social milieu, it is imperative to establish an understanding of whether and how humans perceive emotion in artificial agents. In this review, we incorporate recent findings ...Journal Article -
Reduced structural flexibility for an exonuclease deficient DNA polymerase III mutant
(2018)Physical Chemistry Chemical PhysicsDNA synthesis, carried out by DNA polymerases, requires balancing speed and accuracy for faithful replication of the genome. High fidelity DNA polymerases contain a 3′–5′ exonuclease domain that can remove misincorporated nucleotides on the 3′ end of the primer strand, a process called proofreading. The E. coli replicative polymerase, DNA polymerase III, has spatially separated (∼55 Å apart) polymerase and exonuclease subunits. Here, we ...Journal Article -
Multi-parametric cell profiling with a CMOS quad-modality cellular interfacing array for label-free fully automated drug screening
(2018)Lab on a ChipCells are complex systems with concurrent multi-physical responses, and cell physiological signals are often encoded with spatiotemporal dynamics and further coupled with multiple cellular activities. However, most existing electronic sensors are only single-modality and cannot capture multi-parametric cellular responses. In this paper, a 1024-pixel CMOS quad-modality cellular interfacing array that enables multi-parametric cell profiling ...Journal Article -
Channel Charting: Locating Users Within the Radio Environment Using Channel State Information
(2018)IEEE AccessWe propose channel charting (CC), a novel framework in which a multi-antenna network element learns a chart of the radio geometry in its surrounding area. The channel chart captures the local spatial geometry of the area so that points that are close in space will also be close in the channel chart and vice versa. CC works in a fully unsupervised manner, i.e., learning is only based on channel state information (CSI) that is passively ...Journal Article -
Cu(0)-RDRP of styrene: balancing initiator efficiency and dispersity
(2018)Polymer ChemistryCu(0)-RDRP is a powerful technique to synthesise a wide range of polymeric materials and architectures with controlled molecular weight, low dispersities and high end group fidelity. The vast majority of reports using this technique focus on the polymerisation of acrylates or methacrylates, with very limited examples on styrene, which is surprising as this is one of the most important vinyl monomers. Herein we present the first Cu(0)-wire ...Journal Article -
Nationwide shift to grass-fed beef requires larger cattle population
(2018)Environmental Research LettersIn the US, there is growing interest in producing more beef from cattle raised in exclusively pasture-based systems, rather than grain-finishing feedlot systems, due to the perception that it is more environmentally sustainable. Yet existing understanding of the environmental impacts of exclusively pasture-based systems is limited by a lack of clarity about cattle herd dynamics. We model a nationwide transition from grain- to grass-finishing ...Journal Article