Results 71 to 80 of about 40,728 (213)

On the (p,q)th Relative Order Oriented Growth Properties of Entire Functions

open access: yesAbstract and Applied Analysis, 2014
The relative order of growth gives a quantitative assessment of how different functions scale each other and to what extent they are self-similar in growth.
Luis Manuel Sánchez Ruiz   +3 more
doaj   +1 more source

Modelling stem cell differentiation related processes—A practical overview for biologists

open access: yesFEBS Letters, EarlyView.
Stem cell differentiation is complex and difficult to control experimentally. This review introduces suitable computational modelling approaches that can support stem cell research, from mechanistic ODE and abstract models to multiscale and deep learning methods.
Ricco Zeegelaar   +4 more
wiley   +1 more source

A method for solving nonlinear Volterra’s population growth model of noninteger order

open access: yesAdvances in Difference Equations, 2017
Many numerical methods have been developed for nonlinear fractional integro-differential Volterra’s population model (FVPG). In these methods, to approximate a function on a particular interval, only a restricted number of points have been employed.
D Baleanu   +3 more
doaj   +1 more source

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

Reconstructing enzyme evolution by protein engineering

open access: yesFEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler   +2 more
wiley   +1 more source

Order and hyper-order of entire solutions of linear differential equations with entire coefficients

open access: yesElectronic Journal of Differential Equations, 2003
In this paper, we investigate the growth of solutions of the differential equation $$ f^{(k)}+A_{k-1}( z)f^{( k-1) }+dots+A_{1}( z) f'+A_{0}(z) f=0, $$ where $A_{0}( z) ,dots, A_{k-1}(z)$ are entire functions with $A_{0}(z) otequiv 0$. We will show that
Benharrat Belaidi, Karima Hamani
doaj  

On ordered groups of regular growth rates

open access: yesJournal of Logic and Analysis
We introduce an elementary class of linearly ordered groups, called growth order groups, encompassing certain groups under composition of formal series (e.g. transseries) as well as certain groups $\mathcal{G}_{\mathcal{M}}$ of infinitely large germs at infinity of unary functions definable in an o-minimal structure $\mathcal{M}$.
openaire   +3 more sources

Identification of a Shiga toxin A‐derived peptide internalized into Gb3 receptor‐bearing cells via interaction with the Shiga toxin B subunit

open access: yesFEBS Letters, EarlyView.
The process of internalization of the Shiga toxin A subunit via formation of a complex with the Shiga toxin B subunit, which specifically binds to the Gb3 receptor. The peptide is designed to act as a carrier of drugs into cancer cells. Here, we explored the potential of peptides derived from the catalytic A subunit of Shiga toxin (STxA) to be drug ...
Giulia Opassi   +6 more
wiley   +1 more source

Growth and oscillation of solutions to linear differential equations with entire coefficients having the same order

open access: yesElectronic Journal of Differential Equations, 2009
In this article, we investigate the growth and fixed points of solutions of the differential equation $$ f^{(k)}+A_{k-1}(z)f^{(k-1)}+dots +A_{1}(z)f'+A_{0}(z)f=0, $$ where $A_{0}(z),dots$, $A_{k-1}(z)$ are entire functions. Some estimates are given
Benharrat Belaidi
doaj  

Growth of ordered and disordered ZnSnN2

open access: yesJournal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena, 2017
A series of ZnSnN2 films has been grown by plasma assisted molecular beam epitaxy in order to investigate the possibility of controlled cation sublattice disorder as well as its effects on physical and electronic properties of the material. By varying the growth conditions, specifically either the metal to nitrogen flux ratio or the substrate ...
Robert Allen Makin   +6 more
openaire   +1 more source

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