Results 121 to 130 of about 10,769 (289)
Advanced Science, EarlyView.We report photostable, photoluminescent deep eutectic solvents (DESs) powered by in situ‐formed zero‐dimensional (0D) halometallates. Stabilized by microenvironment‐controlling hydrogen bond acceptor (HBA) and donor (HBD) networks, these DESs exhibit vibrant, metal ion‐tunable emission (PLQY = 60.2%).
Jeesu Moon +4 more
wiley +1 more source
An upper bound for star chromatic index of simple connected sub-cubic graphs and applications
Journal of the National Science Foundation of Sri LankaThis paper explores the star edge coloring of simple connected sub-cubic graphs, which is a more restricted way of edge coloring. The idea of star edge coloring was introduced by two mathematicians Liu and Deng in 2008, motivated by its vertex version ...
C. L. R. Fernando +1 more
doaj +1 more source
Advanced Science, EarlyView.ABSTRACT Vascularization remains a major obstacle in tissue engineering. Here, we introduce a bioprinting strategy to generate centimeter‐scale, self‐organizing “mother vessel” constructs from iPSC‐derived hiMPCs. By optimizing bioink composition, printing was accomplished in a single‐step approach. Within one week, hiMPCs differentiated into both CD31+
Leyla E. Dogan +5 more
wiley +1 more source
The Circular Chromatic Index of Goldberg [PDF]
, 2007 We determine the exact values of the circular chromatic index of the Goldberg snarks, and of a related family, the twisted Goldberg snarks. Key words: Edge colouring, Circular colouring, Snark, Goldberg snarks
Mohammad Ghebleh, Ghebleh, Mohammad
core +1 more source
Upper Bounds for the Strong Chromatic Index of Halin Graphs
Discussiones Mathematicae Graph Theory, 2018 The strong chromatic index of a graph G, denoted by χ′s(G), is the minimum number of vertex induced matchings needed to partition the edge set of G. Let T be a tree without vertices of degree 2 and have at least one vertex of degree greater than 2.
Hu Ziyu, Lih Ko-Wei, Liu Daphne Der-Fen
doaj +1 more source
Advanced Science, EarlyView.A robust, substrate‐independent fabrication approach overcomes the spectral and geometric limitations of traditional stray‐light suppression. By combining ink spray‐coating with self‐assembled microsphere mask etching, this method produces parabolic‐shaped microstructures on diverse planar and curved engineering components.
Yiming Li +5 more
wiley +1 more source
Vertex-splitting and chromatic index critical graphs [PDF]
, 1997 We study graphs which are critical with respect to the chromatic index. We relate these to the Overfull Conjecture and we study in particular their construction from regular graphs by subdividing an edge or by splitting a ...
Zhao, C., Hilton, A.J.W.
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Advanced Science, EarlyView.Water‐induced quenching challenges organic RTP materials, but a counter‐intuitive strategy employs HOF to encapsulate carbonyl guests, where water functions as a structural reinforcer. This achieves water‐enhanced ultralong RTP with full‐color emission (blue to deep red), overcoming intracellular quenching for high‐signal cellular imaging, alongside 4D
Pengcheng Wu +3 more
wiley +1 more source
Conflict-free chromatic index of trees
Theoretical Computer ScienceA graph $G$ is conflict-free $k$-edge-colorable if there exists an assignment of $k$ colors to $E(G)$ such that for every edge $e\in E(G)$, there is a color that is assigned to exactly one edge among the closed neighborhood of $e$. The smallest $k$ such that $G$ is conflict-free $k$-edge-colorable is called the conflict-free chromatic index of $G ...
Shanshan Guo +3 more
openaire +2 more sources
Advanced Science, EarlyView.A universal paradigm resolves the trade‐off between ambient stability and barrier properties in organic persistent luminescent (OPL) polymers. By interlocking chromophores within a high‐barrier MXD6 matrix, we achieved no Pre‐photoactivation OPLs with exceptional long‐term stability in water.
Yunlong Yang +10 more
wiley +1 more source