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The power of quantum machine learning algorithms based on parametrised quantum circuits are still not fully understood. Here, the authors report rigorous bounds on the generalisation error in variational QML, confirming how known implementable models generalize well from an efficient amount of training data.
Chiral supramolecular assembly is an important strategy for the development of excellent circularly polarized luminescent (CPL)-active materials, but often they suffer from low quantum yield and luminescence dissymmetry factor. Herein, the authors we report a chiral coassembly process of achiral pyrene-based dyes leading to chiral excimers emitting with a high dissymmetry factor.
Strain engineering is effective to improve the carrier mobility of semiconductor materials. Here, the authors demonstrate lattice strain-induced mobility enhancement of an azobenzene compound under photoisomerization and its application in large-scale flexible organic field-effect transistors.
Phonons are thought to transport elastically across most interfaces. Here, the authors show that a substantial portion of phonons transport inelastically, adding another heat conduction channel and enhancing thermal conductance across interfaces.
Point-of-care testing offers rapid and accurate diagnostic potential being quite useful in resource-limited settings. Here, authors demonstrate a film-lever actuated switch technology for microfluidic manipulation enabling multifunctional dispensing, on-demand release, robust operation, and long-term storage.
The authors map the global distribution of the mixed layer in coastal ocean sediments, based on a neural network model. These observations reveal that mixing can accelerate organic matter degradation and reduce carbon storage in the coastal ocean.
Biomass allocation in plants is fundamental for understanding and predicting terrestrial carbon storage. Here, the authors conduct a meta-analysis showing that warming effect on plant root:shoot is influenced by precipitation and the type of mycorrhizal fungi associated.
Epoxide ring opening reactions are important in both biological processes and synthetic applications. Here, the authors show that flavin cofactors can catalyze reductive and oxidative epoxide ring opening reactions and propose the underlying mechanisms.
Toe-hold-mediated strand displacement (DSD) is a widely used molecular tool in applications such as DNA computing and nucleic acid diagnostics. Here the authors characterize dozens of orthogonal barcode sequences that can be used for monitoring the output kinetics of multiplexed DSD reactions in real-time using a commercially-available portable nanopore array device.
The use of electrochemical energy storage systems based on alkali metal electrodes is hindered by the dendrites’ growth and volume changes upon cycling. Here, the authors propose nitrogen and zinc co-doped porous carbon nanofibers as potassium metal hosting material for reversible metal deposition.
Lithium carbonate is ubiquitous in lithium battery chemistries and leads to overpotentials, however its oxidative decomposition is unclear. Here, the authors study its decomposition in ether electrolyte, clarify the role of the carbon substrate, and propose a route to limit released singlet oxygen.
Methods to identify protein interaction networks often suffer from poor spatiotemporal resolution. Here the authors present a light-activated proximity labeling method where the protein of interest is fused to the photosensitizer protein miniSOG, allowing temporally resolved labeling of interactors.
Individuals with young onset sporadic Alzheimer’s disease show faster pathological and clinical progression. Here the authors report that earlier symptom onset in Alzheimer’s disease is associated with higher tau pathology in globally connected brain hubs, accelerated connectivity-mediated tau spreading and faster cognitive decline.
The amygdala is known to be engaged in emotional and autonomic function, yet the detailed functional connectivity of the human amygdala remains unclear. Here, the authors examine effective connectivity in the amygdala of patients with epilepsy using direct focal electrical stimulation.
The treatment of colorectal cancer (CRC) is an unmet medical need in absence of early diagnosis. Here, the authors characterise cancer-specific transposable element-driven transpochimeric gene transcripts and highlight the role of POU5F1B in CRC growth and metastasis.
While inequalities in science are common, most efforts to understand them treat scientists as isolated individuals, ignoring the network effects of collaboration. Here, the authors develop models that untangle the network effects of productivity and prominence of individual scientists from their collaboration networks.
Carbon nitride catalysts with positively charged surfaces and abundant −NH2 are found to be effective photocatalysts for dihydropyrazole synthesis. A surface-mediated mechanism where deprotonated intermediates interact with the surface is proposed.
The role of reciprocal tumour-stroma interactions in tumour invasion remains poorly characterised. Here, single-cell and spatial transcriptomics identifies the cell populations and their transcriptional reprogramming contributing to the spatial organization of the basal cell carcinoma invasive niche.
Utilizing viral test results to determine isolation length would minimize both the risk of prematurely ending isolation of infectious patients and the unnecessary individual burden of redundant isolation of noninfectious patients. Here, the authors develop a framework to compute the population-level risk of different isolation guidelines with rapid antigen tests.
A new stalagmite record from northern Italy and other published data from Europe and northern Africa reveals a split in the climatological westerlies during the early LIA, possibly attributed to sea ice melting.