Results 71 to 80 of about 2,569,579 (302)

Sequence determinants of RNA G‐quadruplex unfolding by Arg‐rich regions

FEBS Letters, EarlyView.
We show that Arg‐rich peptides selectively unfold RNA G‐quadruplexes, but not RNA stem‐loops or DNA/RNA duplexes. This length‐dependent activity is inhibited by acidic residues and is conserved among SR and SR‐related proteins (SRSF1, SRSF3, SRSF9, U1‐70K, and U2AF1).
Naiduwadura Ivon Upekala De Silva, Puspa Kunwar, Md Ibnul Rifat Rahman, Joanna Koryo Kwao, Nathan Lehman, Zihan Zhang, Trenton Paul, Claire Cheng, Nicholas Truex, Hui‐Ting Lee, Jun Zhang   +10 more
wiley   +1 more source

A New Method for the Calibration of Site-Related Response Spectra

Advances in Civil Engineering, 2022
The calibration of response spectra is an important issue that needs further research in engineering earthquake resistance. This paper proposes an improved calibration method for site-related response spectra.
Xin Han, Shun Yang, Jingshan Bo, Chaoyu Chang, Mei Guo, Yimeng Cai   +5 more
doaj   +1 more source

Derivation of equivalent linear properties of Bouc-Wen hysteretic systems for seismic response spectrum analysis via statistical linearization [PDF]

, 2013
A newly proposed statistical linearization based formulation is used to derive effective linear properties (ELPs), namely damping ratio and natural frequency, for stochastically excited hysteretic oscillatorsinvolving the Bouc-Wen force-deformation ...
Giaralis, A., Spanos, P. D.
core   +1 more source

Electrically tunable collective response in a coupled micromechanical array [PDF]

, 2002
We employ optical diffraction to study the mechanical properties of a grating array of suspended doubly clamped beams made of Au. The device allows application of electrostatic coupling between the beams that gives rise to formation of a band of normal ...
Buks, Eyal, Roukes, Michael L.
core   +3 more sources

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

Seismic performance evaluation of concrete buttress dram (Dynamic linear analysis)

Open Engineering
Due to a variety of reasons, including the water retained inside and the intrinsic weight of the dam itself, dam constructions have the ability to move both horizontally and vertically.
Al-Bayati Noor Nazar, Arslan Chelang A., Hassan Waqed H.   +2 more
doaj   +1 more source

Impact of parallel cabinet installation on the seismic performance of nuclear grade electrical cabinets

Shenzhen Daxue xuebao. Ligong ban
Following the upgrade and retrofit of backup power systems in nuclear power plants, the charging and discharging equipment has been switched to a parallel electrical cabinet configuration. This installation method necessitates the re-certification of its
PAN Xingte, RUAN Shanfa, LI Jisheng, CHU Wenting   +3 more
doaj   +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

Noise-induced dynamics in bistable systems with delay

, 2001
Noise-induced dynamics of a prototypical bistable system with delayed feedback is studied theoretically and numerically. For small noise and magnitude of the feedback, the problem is reduced to the analysis of the two-state model with transition rates ...
A. Longtin, A. Pikovsky, A. Pikovsky, B. S. McNamara, C. Masoller, H. Kramers, J. García-Ojalvo, J. Hasty, J. Wiener, L. Gammaitoni, L. S. Tsimring, S. Guillouzic, S. Guillouzic, T. Ohira, T. Ohira, T. Ohira, T. Ohira, Y. Chen   +17 more
core   +1 more source

Response Spectrum Analysis of Response of Building with Setbacks

IOSR Journal of Mechanical and Civil Engineering, 2016
The past earthquakes have shown catastrophic effect on the buildings with irregularities. It was seen that the buildings with irregularities are more prone to earthquake then the regular building. The structure with irregularities are called irregular structures.
openaire   +1 more source