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Set-point Regulation of Constrained Strongly Monotone Systems
2011
IFAC Proceedings Volumes
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The design procedure, in the cast of a new theorem, is derived from Hirsch theorem for autonomous systems. ...
This paper focuses on set-point regulation of output of strongly monotone systems using a static output feedback under input constraints. ...
Given a system with input and output, the function : X khok = Y will be called the input to output characteristic. ...
doi:10.3182/20110828-6-it-1002.01979
fatcat:cveq5xqm5ncpzmgaw5nfzw3suq
Sintering Rate and Mechanism of TiO2 Nanoparticles by Molecular Dynamics
2011
Journal of Physical Chemistry C
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A sintering rate for TiO2 nanoparticles is extracted that is much faster than that in the literature but nicely converges to it for increasing particle size. ...
Titania is the dominant white pigment and photocatalytic material, a key component of sunscreens and has promising applications in photovoltaics and sensors of organic vapors. ...
SI3) along with that of equations (2) (solid line) and (3) (dashed line) as function of temperature for d p,0 = 2.5 nm as well as the prediction of equations (4) (dotted line). ...
doi:10.1021/jp2032302
pmid:23730400
pmcid:PMC3667479
fatcat:pvnw76bza5grvebgwppejnjzfy
Landslide Displacement Prediction Method Based on GA-Elman Model
2021
Applied Sciences
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It gives full play to the dynamic memory function of the Elman neural network, overcomes the problems that a single Elman neural network can easily fall into local minimums and the neuron data is difficult ...
slow convergence and poor stability of the traditional neural network prediction model, in order to better realize the accurate and effective prediction of landslide displacement, this research proposes a ...
In this study, "tansig" nonlinear function is used as the transfer function of the hidden layer and the transfer function f (•) of the hidden layer is a nonlinear function. ...
doi:10.3390/app112211030
fatcat:bxzuf2bskrhaljbxhgf243s54a
Prions
1998
Proceedings of the National Academy of Sciences of the United States of America
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What function does PrP C serve? ...
form functional complexes in the presence of competing mouse PrP C . ...
doi:10.1073/pnas.95.19.11030
pmid:9736680
pmcid:PMC33890
fatcat:g43mpnqqxfan3kc7byconfgno4
At a Conservation Crossroad: The Bahoruco-Jaragua-Enriquillo Biosphere Reserve in the Dominican Republic
2021
Sustainability
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At the same time, it is a biodiversity hotspot of global importance. We present a Contingent Valuation Method to estimate the WTP for a conservation and restoration program called PROBIOSFERA. ...
With three core conservation zones, the RBJBE constitutes a complex space with a history of conflicts rooted in exploiting natural resources and social and economic issues. ...
The right side in Equation (3) follows a logistic cumulative density function called the logistic survival function. ...
doi:10.3390/su131911030
fatcat:lakupiifr5eudexmxs7pjlazbi
Insights into the Catalytic Mechanisms of Phenylalanine and Tryptophan Hydroxylase from Kinetic Isotope Effects on Aromatic Hydroxylation†
2006
Biochemistry
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The normal effects on the D k cat value for the wild-type enzyme are attributed to an isotope effect of 5.1 on the tautomerization of a dienone intermediate to tyrosine with a rate constant 6-to7-fold ...
In addition, there is a slight (∼34%) preference for the loss of the hydrogen originally at C4 of phenylalanine. ...
Data Analysis The Michaelis-Menten equation was used to determine k cat , k cat /K m , and K m values when initial rates were measured as a function of the concentration of a single substrate, using the ...
doi:10.1021/bi0607554
pmid:16953590
pmcid:PMC1945167
fatcat:ot3qbvlx3nhejjgcdis2g67cgy
Action spectroscopy and temperature diagnostics of H[sub 3][sup +] by chemical probing
2004
Journal of Chemical Physics
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Infrared absorption spectroscopy of few hundred H 3 ϩ ions trapped in a 22-pole ion trap is presented using chemical probing as a sensitive detection technique down to the single ion level. ...
The absolute accuracy of the measured transition frequencies was improved by a factor of four compared to previous plasma spectroscopy measurements using velocity modulation ͓Ventrudo et al., J. ...
ACKNOWLEDGMENTS We wish to acknowledge support by A. Hillenbach in setting up the rf ion trap. We also thank M. Weidemüller for many fruitful discussions. ...
doi:10.1063/1.1810512
pmid:15634053
fatcat:q5yat4pxwneydbqevsdvmp6hvq
Ligand-induced Dynamic Membrane Changes and Cell Deletion Conferred by Vanilloid Receptor 1
2000
Journal of Biological Chemistry
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A functional pool of VR1 also was localized to the endoplasmic reticulum that, in the absence of extracellular calcium, also was capable of releasing calcium upon agonist treatment. 2؉ ] i and mitochondrial ...
VR1 was C-terminally tagged with either the 27-kDa enhanced green fluorescent protein (eGFP) or a 12-amino acid ⑀-epitope. ...
[Ca 2ϩ ] i was calculated using the ratio based equation (21) . ...
doi:10.1074/jbc.m008392200
pmid:11124944
fatcat:6syigqdnnjcwjmtdwmpcxewgly
Energy spectrum, density of states, and optical transitions in strongly biased narrow-gap quantum wells
1999
Physical Review B (Condensed Matter)
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1999 pre-print arXiv:cond-mat/9908284v1 fatcat:xuilrjy76rcbhcxgdrwlxfkac4
The electron states are described by a two-band Hamiltonian. ...
An application of a strong electric field across the well allows the control of the energy gap between the two-dimensional (2D) states in a wide range. ...
(1) represents a set of two first-order differential equations. ...
doi:10.1103/physrevb.60.11030
fatcat:xd6x5pswz5cqlom7s73xkwsoki
Amino acids as nutritional factors and (p)ppGpp as an alarmone of the stringent response regulate natural transformation in Micrococcus luteus
2019
Scientific Reports
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As a member of the Actinobacteria phylum, M. luteus could serve as a model for other representatives of the phylum, including a number of important human pathogens. ...
In this report, we identify amino acids as a nutritional factor that influences competence in a concentration-dependent manner. ...
enzyme that can complement both a missing synthetase as well as hydrolase function. ...
doi:10.1038/s41598-019-47423-x
pmid:31363120
pmcid:PMC6667448
fatcat:usy4nnk6qnb4biif3doqf52j2q
A General Approach To Combine the Advantages of Collinear and Noncollinear Spectrometer Designs in Phase-Resolved Second-Order Nonlinear Spectroscopy
2019
Journal of Physical Chemistry A
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Collinear approaches in contrast come with a simplified alignment and improved phase stability but typically suffer from a highly limited timing control. ...
While noncollinear spectrometers allow for a relatively simple timing control they typically yield poor phase stability and require a challenging alignment. ...
For δ ≠ 0 the equations need to be solved numerically. ...
doi:10.1021/acs.jpca.9b09927
pmid:31790247
pmcid:PMC6935974
fatcat:hrmr5hcbhbdmxfn3fncyqig2va
Prospects for inferring very large phylogenies by using the neighbor-joining method
2004
Proceedings of the National Academy of Sciences of the United States of America
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However, for such large data sets even a moderate exploration of the tree space needed to identify the optimal tree is virtually impossible. ...
First we present a likelihood method for the simultaneous estimation of all pairwise distances by using biologically realistic models of nucleotide substitution. ...
Fig. 1 . 1 (A) Total number of possible bifurcating trees for different number of sequences. Computed by equation 5.1 of ref. 1. ...
doi:10.1073/pnas.0404206101
pmid:15258291
pmcid:PMC491989
fatcat:qhxhwzu27rhitcel3dmrejinga
αB-Crystallin Interacts with Nav1.5 and Regulates Ubiquitination and Internalization of Cell Surface Nav1.5
2016
Journal of Biological Chemistry
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The cardiac Na ؉ channel functions as a protein complex; however, its complete components remain to be fully elucidated. ...
A yeast two-hybrid screen identified a new candidate Na v 1.5-interacting protein, ␣B-crystallin. ...
Recovery from inactivation was analyzed by fitting the data with a two-exponential equation, I t /I max ϭ A f ϫ exp(Ϫt/ f ) ϩ A s ϫ exp(Ϫt/ s ), to determine the fractions of the fast (A f ) and the slow ...
doi:10.1074/jbc.m115.695080
pmid:26961874
pmcid:PMC4900253
fatcat:jdvaup63tveddhuftjm6gcckkq
Haem-dependent dimerization of PGRMC1/Sigma-2 receptor facilitates cancer proliferation and chemoresistance
2016
Nature Communications
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Here crystallographic analyses of the PGRMC1 cytosolic domain at 1.95 Å resolution reveal that it forms a stable dimer through stacking interactions of two protruding haem molecules. ...
This study demonstrates protein dimerization via haem-haem stacking, which has not been seen in eukaryotes, and provides insights into its functional significance in cancer. | www.nature.com/naturecommunications ...
The absorbance difference at 400 nm was plotted as a function of haem concentration, and the dissociation constant (K d ) was calculated using a quadratic binding equation. ...
doi:10.1038/ncomms11030
pmid:26988023
pmcid:PMC4802085
fatcat:eje4bus33bfgxedtjenfnqpsgu
Marine Geophysical Investigation of the Chain Fracture Zone in the Equatorial Atlantic From the PI‐LAB Experiment
2018
Journal of Geophysical Research - Solid Earth
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The Chain Fracture Zone is a 300-km-long transform fault that offsets the Mid-Atlantic Ridge. ...
To account for diurnal variation, we fit a sixth-order polynomial as a function of time to the data and removed it. ...
The positive flower structures appear to be a function of segment-scale reorganization rather than a regional scale readjustment. ...
doi:10.1029/2018jb015982
pmid:31007998
pmcid:PMC6472653
fatcat:b53yeedsenf4rejdaepwbrinm4
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