Results 101 to 110 of about 17,526,649 (388)

Dispersion of the dielectric function of a charge-transfer insulator

open access: yes, 2003
We study the problem of dielectric response in the strong coupling regime of a charge transfer insulator. The frequency and wave number dependence of the dielectric function $\epsilon ({\bf q},\omega)$ and its inverse $\epsilon ^{-1}({\bf q},\omega)$ is ...
A. F. Barabanov   +30 more
core   +1 more source

Transfer functions

open access: yesIOP Conference Series: Earth and Environmental Science, 2011
This chapter summarizes the different approaches used to reconstruct past environmental conditions from micropaleontological proxy data. The first group of methods involves calibration, i.e. a relationship is calculated between a given environmental variable and the abundances of the various species (e. g. regression, partial least squares). The second
openaire   +1 more source

Structural insights into lacto‐N‐biose I recognition by a family 32 carbohydrate‐binding module from Bifidobacterium bifidum

open access: yesFEBS Letters, EarlyView.
Bifidobacterium bifidum establishes symbiosis with infants by metabolizing lacto‐N‐biose I (LNB) from human milk oligosaccharides (HMOs). The extracellular multidomain enzyme LnbB drives this process, releasing LNB via its catalytic glycoside hydrolase family 20 (GH20) lacto‐N‐biosidase domain.
Xinzhe Zhang   +5 more
wiley   +1 more source

The use of the chatter mode in self-adaptive systems [PDF]

open access: yes, 1970
Chatter mode is used advantageously if the ideal model dynamics is described by a switching function, the chatter mode is reached quickly and then sustained, the chatter frequency is reduced, and any zero in the plant transfer function is ...
Yasui, S.
core   +1 more source

Molecular bases of circadian magnesium rhythms across eukaryotes

open access: yesFEBS Letters, EarlyView.
Circadian rhythms in intracellular [Mg2+] exist across eukaryotic kingdoms. Central roles for Mg2+ in metabolism suggest that Mg2+ rhythms could regulate daily cellular energy and metabolism. In this Perspective paper, we propose that ancestral prokaryotic transport proteins could be responsible for mediating Mg2+ rhythms and posit a feedback model ...
Helen K. Feord, Gerben van Ooijen
wiley   +1 more source

Crosstalk between the ribosome quality control‐associated E3 ubiquitin ligases LTN1 and RNF10

open access: yesFEBS Letters, EarlyView.
Loss of the E3 ligase LTN1, the ubiquitin‐like modifier UFM1, or the deubiquitinating enzyme UFSP2 disrupts endoplasmic reticulum–ribosome quality control (ER‐RQC), a pathway that removes stalled ribosomes and faulty proteins. This disruption may trigger a compensatory response to ER‐RQC defects, including increased expression of the E3 ligase RNF10 ...
Yuxi Huang   +8 more
wiley   +1 more source

CAPABILITY OF THE ACOUSTIC ELECTRO-MAGNETIC METHOD AND WAYS OF ITS IMPROVEMENT

open access: yesВестник Кемеровского государственного университета, 2013
This paper presents the processes that make a significant contribution to the increase of systematic errors (noise) in developing the acoustic electro-magnetic method.
V. P. Kuznetsov   +2 more
doaj  

DEVELOPMENT OF FORMS OF STRUCTURAL MATHEMATICAL MODELING IN DYNAMICS OF MECHANICAL OSCILLATION SYSTEMS: IMPEDANCE AND POSSIBLE VARIANTS OF APPROACH

open access: yesProceedings of the Mongolian Academy of Sciences, 2017
Offering method of transformation of mathematical models of oscillation systems based on using of structural schemes. Structural analogs of mathematical models used for creature of variants of transfer functions of initial mechanical systems.
S V Eliseev   +3 more
doaj   +1 more source

Realizability and Internal Model Control on Networks

open access: yes, 2019
It is proved that network realizability of controllers can be enforced without conservatism using convex constraints on the closed loop transfer function.
boyd, wang
core   +1 more source

Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer

open access: yesFEBS Letters, EarlyView.
Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani   +4 more
wiley   +1 more source

Home - About - Disclaimer - Privacy