Results 91 to 100 of about 7,100,783 (279)

Experimental and numerical study on the influence of critical 3D printing processing parameters

Fracture and Structural Integrity, 2019
In the present work the temperature profile variations generated in rectangular specimens built using the Fused Deposition Modeling (FDM) process, at different printing speeds and orientations, were investigated.
Nikoletta Chatzidai, Dimitrios Karalekas
doaj   +1 more source

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

FEBS 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, Noemi E. Nwosu, Viktoria Gocke, Müge Kasanmascheff, Hannes Mutschler   +4 more
wiley   +1 more source

Determination of Terminal Sterilization Process Parameters [PDF]

Time, temperature, and microbial effects on terminal heat sterilization of ...
Hoffman, A. R., Stern, J. A.
core   +1 more source

Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing

FEBS Letters, EarlyView.
Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley   +1 more source

Using the view of Business Process Management (BPM) for process improvement in the shipping industry and offshore construction sector: a case study of the Rio Grande (RS) naval pole

Gestão & Produção
The current study describes the mapping and analysis processes of a company in the Brazilian shipbuilding and offshore construction sectors, according to Business Process Management assumptions.
Jéssica Carvalho da Silva, André Andrade Longaray, Paulo Roberto Munhoz, Tiago Machado Castelli   +3 more
doaj   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

FEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo, Carolin Ector, Hanspeter Herzel   +2 more
wiley   +1 more source

Weld Formation in Laser Hot-Wire Welding of 7075 Aluminum Alloy

Metals, 2018
The laser hot-wire welding process was adopted to weld 7075 high-strength aluminum alloy. The influence laws of parameters on the weld formation were analyzed during laser hot-wire welding, and the microstructure characteristics and mechanical properties
Shichun Li, Wei Xu, Gang Xiao, Bing Chen
doaj   +1 more source

Change Point Testing for the Drift Parameters of a Periodic Mean Reversion Process [PDF]

, 2013
In this paper we investigate the problem of detecting a change in the drift parameters of a generalized Ornstein-Uhlenbeck process which is defined as the solution of $dX_t=(L(t)-\alpha X_t) dt + \sigma dB_t$, and which is observed in continuous time. We
Dehling, Herold, Franke, Brice, Kott, Thomas, Kulperger, Reg   +3 more
core  

Robust estimation of stationary continuous-time ARMA models via indirect inference

, 2019
In this paper we present a robust estimator for the parameters of a continuous-time ARMA(p,q) (CARMA(p,q)) process sampled equidistantly which is not necessarily Gaussian. Therefore, an indirect estimation procedure is used.
Benth FE, Bradley RC, Martin DR, Martin DR, Martin DR, Pollard D, Yu J   +6 more
core   +1 more source

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