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Advanced Healthcare Materials, EarlyView.This study presents the first entirely isogenic heart‐on‐chip, unifying cardiomyocytes, fibroblasts, and endothelial cells from a single iPSC source. The platform reveals a critical biological insight: the endothelium actively shields cardiac tissue from drug‐induced toxicity, challenging the predictive accuracy of conventional, avascular models for ...
Karine Tadevosyan +12 more
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Unveiling the Role of Curvature in Carbon for Improved Energy Release of Ammonium Perchlorate
Advanced Materials, EarlyView.High‐curvature carbon materials identified via machine learning and simulation can enhance the heat release and combustion performance of ammonium perchlorate. ABSTRACT The catalytic role of carbon curvature in the thermal decomposition of ammonium perchlorate (AP) remains largely unexplored. To address this gap, this study employs machine learning and
Dan Liu +8 more
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Engineered Protein‐Based Ionic Conductors for Sustainable Energy Storage Applications
Advanced Materials, EarlyView.Rational incorporation of charged residues into an engineered, self‐assembling protein scaffold yields solid‐state protein films with outstanding ionic conductivity. Salt‐doping further enhances conductivity, an effect amplified in the engineered variants. These properties enable the material integration into an efficient supercapacitor.
Juan David Cortés‐Ossa +14 more
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Advanced Materials, EarlyView.The Y supersaturation in the [Ba‐Cu(I/II)‐O] transient liquid composition is the driving force toward YBCO nucleation and growth in TLAG. Tuning the initial (Ba:Cu) molar ratio in the ink composition determines the YBCO epitaxial nucleation through supersaturation control.
Lavinia Saltarelli +12 more
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Resolving the Structural Duality of Graphene Grain Boundaries
Advanced Materials, EarlyView.Cantilever ncAFM resolves the atomic structure of grain boundaries in graphene, revealing coexisting stable and metastable types. Both contain pentagon/heptagon defects, but metastable GBs show irregular geometries. Modeling shows metastable GBs form under compression, exhibiting vertical corrugation, while stable GBs are flat.
Haojie Guo +11 more
wiley +1 more source
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Fumarase: Viscosity dependence of the kinetic parameters
Archives of Biochemistry and Biophysics, 1990Fumarase catalyzes the reversible, stereospecific hydration of fumarate to form L-malate. We have determined the viscosity dependence of V/K and V in both the forward and the reverse directions at pH 6.9 in the absence and presence of several viscosogenic reagents.
W L, Sweet, J S, Blanchard
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A reinvestigation of the kinetic parameters of phosphoenolpyruvate carboxykinase
Biochemical and Biophysical Research Communications, 1971Abstract A new assay for phosphoenolpyruvate carboxykinase has been devised whose sensitivity is sufficient to detect the formation by crude hepatic extracts of 1 × 10−11 moles of phosphoenolpyruvate. By the utilization of this assay it has been determined that the apparent Km of oxaloacetate is in the range of 1 to 5 × 10−6 M for the hepatic enzymes
D A, Walsh, L J, Chen
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Kinetic parameters in heterogeneous kinetics
Thermochimica Acta, 1992Abstract The energy barrier model, which has been quite successful in describing homogeneous kinetics, also applies in heterogeneous kinetics. This becomes evident when the activation energy Ea, is split into an invariant component ΔH, the enthalpy change of the reaction, and a variable term ziv which gives the variation of the vibrational states ...
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