Results 91 to 100 of about 64,086 (307)
Advanced Healthcare Materials, EarlyView.Gonzalez Martinez and collaborators develop a strategy to formulate high performance GelMA‐based bioinks with low solids contents. The resulting bioinks enable 3D bioprinting at 37 °C of high‐fidelity structures with tunable mechanical properties that support high cell viability and function.
David A. González‐Martínez +8 more
wiley +1 more source
Discrete Mathematics, 1978 AbstractAn undirected graph is trivially perfect if for every induced subgraph the stability number equals the number of (maximal) cliques. We characterize the trivially perfect graphs as a proper subclass of the triangulated graphs (thus disproving a claim of Buneman [3]), and we relate them to some well-known classes of perfect graphs.
openaire +2 more sources
The Perfect Graph Conjecture For Toroidal Graphs
, 1984 This chapter discusses the perfect graph conjecture for toroidal graphs. Graphs are assumed to be finite without loops or multiple edges. The ω (G) is defined as the size of the largest complete subgraph of G, while γ (G) is defined as the vertex ...
Grinstead, Charles M., Charles Grinstead
core +1 more source
Advanced Materials, EarlyView.AI‐Assisted Workflow for (Scanning) Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling. Abstract (Scanning) transmission electron microscopy ((S)TEM) has significantly advanced materials science but faces challenges in correlating precise atomic structure information with the functional properties of ...
Marc Botifoll +19 more
wiley +1 more source
Perfection thickness of graphs
Discrete Mathematics, 2000 For a graph \(G\), let \(f(G)\) be the least number of perfect subgraphs of \(G\) whose union is \(G\). Let \(f(n)= \max\{f(G):|V(G)|= n\}\). Improving results of Zs. Tuza, the authors prove that \[ \textstyle{{1\over 2}}(\log n-\log\log n- O(1))\leq f(n)\leq \lceil\log n\rceil, \] where \(\log\) denotes the base-2 logarithm.
Hirotsugu Asari +3 more
openaire +2 more sources
Advanced Materials, EarlyView.Metal‐free carbon catalysts enable the sustainable synthesis of hydrogen peroxide via two‐electron oxygen reduction; however, active site complexity continues to hinder reliable interpretation. This review critiques correlation‐based approaches and highlights the importance of orthogonal experimental designs, standardized catalyst passports ...
Dayu Zhu +3 more
wiley +1 more source
Generalized Matching Preclusion in Bipartite Graphs
Theory and Applications of Graphs, 2018 The matching preclusion number of a graph with an even number of vertices is the minimum number of edges whose deletion results in a graph that has no perfect matchings. For many interconnection networks, the optimal such sets are precisely sets of edges
Zachary Wheeler +4 more
doaj +1 more source
Asymmetric game perfect graphs and the circular coloring game of weighted graphs
, 2011 Zacharopoulos P. Asymmetric game perfect graphs and the circular coloring game of weighted graphs.
Zacharopoulos, Panagiotis
core
Spin‐Split Edge States in Metal‐Supported Graphene Nanoislands Obtained by CVD
Advanced Materials, EarlyView.Combining STM measurements and ab‐initio calculations, we show that zig‐zag edges in graphene nanoislands grown on Ni(111) by CVD retrieve their spin‐polarized edge states after intercalation of a few monolayers of Au. ABSTRACT Spin‐split states localized on zigzag edges have been predicted for different free‐standing graphene nanostructures.
Michele Gastaldo +6 more
wiley +1 more source
Mechanically Programmable DNA Hydrogel Microparticles for 3D Cellular Systems
Advanced Materials, EarlyView.DNA hydrogel microparticles are designed to exhibit controllable viscoelasticity and stiffness across three orders of magnitude from 30Pa$30 \,\mathrm{Pa}$ to 6.5kPa$6.5 \,\mathrm{kPa}$. They are uptaken into fibroblast spheroids where they are actively remodeled by cellular forces depending on their mechanical properties.
Tobias Walther +9 more
wiley +1 more source