Results 141 to 150 of about 2,445,078 (299)

Natural Frequency Analysis of a Stepped Drill String in Vertical Oil Wells Subjected to Coupled Axial–Torsional–Lateral Vibrations

Energies
Drilling oil and gas wells is a complex process that requires a combination of several parameters to dig into the ground. Inappropriate drilling parameter settings and reaction forces can lead to unwanted vibrations, which can negatively impact the drill
Mohamed Zinelabidine Doghmane
doaj   +1 more source

Application of decision analytical models to diabetes in low- and middle-income countries: a systematic review. [PDF]

BMC Health Serv Res, 2022
Twumwaa TE, Justice N, Robert VM, Itamar M.   +3 more
europepmc   +1 more source

Computational-time reduction of fourier-based analytical models [PDF]

, 2018
Dupré, Luc, Hannon, Bert, Sergeant, Peter   +2 more
core   +2 more sources

Cell wall target fragment discovery using a low‐cost, minimal fragment library

FEBS Letters, EarlyView.
LoCoFrag100 is a fragment library made up of 100 different compounds. Similarity between the fragments is minimized and 10 different fragments are mixed into a single cocktail, which is soaked to protein crystals. These crystals are analysed by X‐ray crystallography, revealing the binding modes of the bound fragment ligands.
Kaizhou Yan, Mathew Stanley, Olawale Raimi, Andrew T. Ferenbach, Helge C Dorfmueller, Daan M. F. van Aalten   +5 more
wiley   +1 more source

A verified analytical sandwich beam model for soft and hard cores: comparison to existing analytical models and finite element calculations. [PDF]

Acta Mech, 2023
Schoeftner J.
europepmc   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

FEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee, Dimitrios Bekiari, Sofia Doello, Karl Forchhammer   +3 more
wiley   +1 more source

Rough Fabry–Perot cavity: a vastly multi-scale numerical problem

Nanophotonics
A commercial Fabry–Perot laser diode is characterized by highly disproportionate dimensions, which poses a significant numerical challenge, even for state-of-the-art tools.
Slipchenko Tetiana, Abad-Arredondo Jaime, Consoli Antonio, García Vidal Francisco J., Fernández-Domínguez Antonio I., García Pedro David, López Cefe   +6 more
doaj   +1 more source

Experimentally Verified Analytical Models of Piezoelectric Cantilevers in Different Design Configurations. [PDF]

Sensors (Basel), 2021
Machu Z, Rubes O, Sevecek O, Hadas Z.
europepmc   +1 more source

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

Dual-Wavelength Fluorescence Monitoring of Photodynamic Therapy: From Analytical Models to Clinical Studies. [PDF]

Cancers (Basel), 2021
Kirillin M, Khilov A, Kurakina D, Orlova A, Perekatova V, Shishkova V, Malygina A, Mironycheva A, Shlivko I, Gamayunov S, Turchin I, Sergeeva E.   +11 more
europepmc   +1 more source