Results 251 to 260 of about 10,114,143 (309)

Rethinking plastic waste: innovations in enzymatic breakdown of oil‐based polyesters and bioplastics

FEBS Open Bio, EarlyView.
Plastic pollution remains a critical environmental challenge, and current mechanical and chemical recycling methods are insufficient to achieve a fully circular economy. This review highlights recent breakthroughs in the enzymatic depolymerization of both oil‐derived polyesters and bioplastics, including high‐throughput protein engineering, de novo ...
Elena Rosini, Nicolò Antonelli, Gianluca Molla   +2 more
wiley   +1 more source

Overview of molecular signatures of senescence and associated resources: pros and cons

FEBS Open Bio, EarlyView.
Cells can enter a stress response state termed cellular senescence that is involved in various diseases and aging. Detecting these cells is challenging due to the lack of universal biomarkers. This review presents the current state of senescence identification, from biomarkers to molecular signatures, compares tools and approaches, and highlights ...
Orestis A. Ntintas, Sylvia Vagena, Pavlos Pantelis, Giorgos Theocharous, Russel Petty, Konstantinos Evangelou, Vassilis G. Gorgoulis   +6 more
wiley   +1 more source

Day/night variations of myeloid and lymphoid cell subsets in the murine inguinal lymph node

FEBS Open Bio, EarlyView.
The circadian system is involved in the temporal regulation of the immune system. Our study reveals that two innate immune populations, NKT cells and neutrophils, predominate at the beginning of the day in healthy mice, highlighting how the time of day influences immune responses.
Paula M. Wagner, César G. Prucca, Lucia Boffelli, Virginia A. Piqueras, Silvia G. Correa, Mariana Maccioni, Mario E. Guido   +6 more
wiley   +1 more source

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Metabolic Control Design

Journal of Theoretical Biology, 1993
The response of metabolic variables to small parameter changes is quantitatively described by the control coefficients. Their values (the control profile) depend on the rate equations of the enzymes which compose the metabolic system. A procedure, called Metabolic Control Design (MCD), is developed which achieves the "inverse", namely to calculate the ...
openaire   +2 more sources

Stable adaptive controller design--Direct control

IEEE Transactions on Automatic Control, 1978
This paper deals with the design of stable adaptive controllers using a model reference approach. A systematic procedure is developed using the concept of positive realness and is generalized to arbitrarily located coutrol parameters. For plants with n poles and (\geq)(n-2) zeros, the uniform asymptotic stability in the large of the adaptive loop is ...
Narendra, Kumpati S., Valavani, Lena S.
openaire   +1 more source

Cascade controller design using controller synthesis

2015 19th International Conference on System Theory, Control and Computing (ICSTCC), 2015
In the case of existence of disturbances in a classical single input single output feedback control system, the controller can take action after the disturbance makes the controlled variable move away from the desired value. On the other hand, a cascade control scheme will take an immediate corrective action by using an inner loop controller.
Kaya, Ibrahim, Nalbantoglu, Mustafa
openaire   +2 more sources

Optimal Metabolic Control Design

Journal of Theoretical Biology, 1998
In a previous work [Acerenza, L. (1993). Metabolic Control Design. J. theor. Biol. 165, 63-85] we devised a procedure to design metabolic systems that respond according to pre-established patterns. This procedure includes the mandatory structural and kinetic constraints that narrow the spectrum of responses.
F, Ortega, L, Acerenza
openaire   +2 more sources

Optimal Controlled Sampling Designs

Biometrika, 1990
Optimal controlled sampling designs that minimize the probability of selecting a nonpreferred sample are obtained. These plans satisfy either of the following two requirements: (i) match specified joint inclusion probabilities, π ij associated with an uncontrolled sampling plan having certain desirable properties; (ii) match specified first-order ...
J. N. K. RAO, A. K. NIGAM
openaire   +1 more source

Controller system design trajectory

2006 IEEE Conference on Computer Aided Control System Design, 2006 IEEE International Conference on Control Applications, 2006 IEEE International Symposium on Intelligent Control, 2006
This paper structures existing modelling techniques and theories into a systematic stepwise design trajectory with the goal to facilitate a less error-prone path from model to realization. It is a model-driven approach, whereby simulation is used to check whether refinement updates leave the model compliant with the requirements.
Visser, P.M., Broenink, Johannes F.
openaire   +2 more sources

Integrated control-implementation design

Proceedings of the 41st IEEE Conference on Decision and Control, 2002., 2003
The design of embedded controllers is about developing control algorithms and their implementation satisfying tight constraints on performance and cost. To reduce design time and implementation cost, we propose a methodology based on the principles of platform-based design.
A. Balluchi, L. Berardi, DI BENEDETTO, MARIA DOMENICA, A. Ferrari, G. Girasole, A. L. Sangiovanni Vincentelli   +5 more
openaire   +2 more sources