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Although stoichiometry is a chemistry term derived from the Greek words stoikhein (element) and metron (measure), the phrase underlies all biological processes. Cell biology depends upon protein–protein interactions, which are defined by stoichiometry and binding affinities. The recent article by Marchetti et al.
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Growth control of oxygen stoichiometry in homoepitaxial SrTiO3 films by pulsed laser epitaxy in high vacuum [PDF]
In many transition metal oxides (TMOs), oxygen stoichiometry is one of the most critical parameters that plays a key role in determining the structural, physical, optical, and electrochemical properties of the material. However, controlling the growth to
Choi, Woo Seok +3 more
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Diverse integrin adhesion stoichiometries caused by varied actomyosin activity [PDF]
Cells in an organism are subjected to numerous sources of external and internal forces, and are able to sense and respond to these forces. Integrin-mediated adhesion links the extracellular matrix outside cells to the cytoskeleton inside, and ...
Natalia A. Bulgakova +2 more
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Live-Cell Imaging of Single Receptor Composition Using Zero-Mode Waveguide Nanostructures [PDF]
We exploit the optical and spatial features of subwavelength nanostructures to examine individual receptors on the plasma membrane of living cells. Receptors were sequestered in portions of the membrane projected into zero-mode waveguides.
Dougherty, Dennis A. +6 more
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Thermodynamics and kinetics of the FoF1-ATPase: application of the probability isotherm [PDF]
We use the results of recent publications as vehicles with which to discuss the thermodynamics of the proton-driven mitochondrial FoF1-ATP synthase, focusing particularly on the possibility that there may be dissociation between rotatory steps and ATP ...
Brian Chapman, Denis Loiselle
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Bifurcation on diffusive Holling–Tanner predator–prey model with stoichiometric density dependence
This paper studies a diffusive Holling–Tanner predator–prey system with stoichiometric density dependence. The local stability of positive equilibrium, the existence of Hopf bifurcation and stability of bifurcating periodic solutions have been obtained ...
Maruthai Selvaraj Surendar +2 more
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Structure elucidation of polyheptazine imide by electron diffraction — a templated 2D carbon nitride networkw [PDF]
Structure elucidation of a condensed carbon IV) nitride with a stoichiometry close to C3N4 by electron diffraction reveals a two-dimensional planar heptazine-based network containing isolated melamine molecules in the trigonal ...
Döblinger, Markus +5 more
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1,3,5-Trifluoro-2,4,6-triiodobenzene–piperazine (2/1)
The single-crystal structure of the title compound, C4H10N2·2C6F3I3, features a moderately strong halogen bond between one of the three crystallographically distinct iodine atoms and the nitrogen atom.
Christelle Hajjar +2 more
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Stoichiometry is one of the basic topics in Chemistry. The topic was abstract and related to other concepts so that many students find it difficult to learn, and experience misconceptions in this concept.
Putri Arum Nilawati +2 more
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Phytoplankton Community Performance Depends on the Frequency of Temperature Fluctuations
With increasing frequency and intensity of climate change events, it is crucial to understand how different components of temperature fluctuations affect the thermal tolerance and performance of marine primary producers.
Charlotte Kunze +5 more
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