Results 51 to 60 of about 278,450 (300)

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Closing the loop

open access: yesPhotonicsViews
The fashion industry is one of the most environmentally damaging sectors, characterized by high resource consumption, overproduction, and significant waste generation. Circularity has become a key framework to rethink fashion systems, with materials playing a central role as both environmental burdens and regenerative assets.
Carol A. Hurney   +2 more
  +7 more sources

Experimental evaluation of the parameter-based closed-loop transfer function identification for electro-hydraulic servo systems

open access: yesAdvances in Mechanical Engineering, 2016
Closed-loop systems of an electro-hydraulic servo system including position, acceleration, and force closed-loop systems and their closed-loop transfer functions based on parameter model are adaptive identified using a recursive extended least-squares ...
Guang-Da Liu, Ge Li, Gang Shen
doaj   +1 more source

Closed-loop controller design, stability analysis and hardware implementation for fractional neutron point kinetics model

open access: yesNuclear Engineering and Technology, 2021
The aim of this work is the analysis, design and hardware implementation of the fractional-order point kinetics (FNPK) model along with its closed-loop controller. The stability and closed-loop control of FNPK models are critical issues.
Vishwesh A. Vyawahare   +3 more
doaj   +1 more source

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

Performance analysis of battery E-vehicle system using open loop and closed loop application

open access: yesMeasurement: Sensors
Electric vehicle (E-vehicle) will be an alternate transportation vehicle in this world due to unavailability of fossil fuel. The CO2 emissions from fossil fuel based vehicle have been considerably reduced.
S. Amosedinakaran   +5 more
doaj   +1 more source

Analysis of Coordinated Pricing Model of Closed-Loop Supplying Chain Based on Game Theory in E-Commerce Environment

open access: yesJournal of Mathematics, 2022
Although the research of closed-loop supply chains has attracted great attention and some research results have appeared, it has not formed a complete theoretical system.
Zhaoquan Zhou, Bin Gu
doaj   +1 more source

Synthesis Identification Analysis for Closed Loop EIV System

open access: yesIEEE Access, 2023
This new paper combines errors-in-variable (EIV) system with closed loop situation to consider a more complex closed loop EIV system. Consider the identification problem for closed loop EIV system, synthesis analysis is completed from the point of system
Wang JIanhong, Ouyang Qing
doaj   +1 more source

Stability of closed-loop fractional-order systems and definition of damping contours for the design of controllers [PDF]

open access: yes, 2012
Fractional complex order integrator has been used since 1991 for the design of robust control-systems. In the CRONE control methodology, it permits the parameterization of open loop transfer function which is optimized in a robustness context.
Oustaloup, Alain   +2 more
core   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

open access: yesFEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

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