Results 111 to 120 of about 352,001 (326)

On a Beta-Gamma Discrete Distribution for Thunderstorm Count Modeling with Risk Analysis

Mathematics
Risk management is vital for financial institutions to evaluate and mitigate potential losses. Thunderstorm count modeling with risk analysis is used by various sectors, such as insurance and utility companies, to forecast storm recurrence, analyze risk,
Tassaddaq Hussain, Enrique Villamor, Mohammad Shakil, Mohammad Ahsanullah, B. M. Golam Kibria   +4 more
doaj   +1 more source

Predicted and Verified Deviations from Zipf's law in Ecology of Competing Products

, 2011
Zipf's power-law distribution is a generic empirical statistical regularity found in many complex systems. However, rather than universality with a single power-law exponent (equal to 1 for Zipf's law), there are many reported deviations that remain ...
A. Saichev, B. Mandelbrot, D. Sornette, Didier Sornette, G. Zipf, R. Gibrat, Ryohei Hisano, Takayuki Mizuno, V. Pareto, Y. Ijiri   +9 more
core   +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

Optimized two-stage time-truncated control chart for Weibull distribution

Scientific Reports
In this article, an attribute control chart is proposed when the lifetime of a product follows a Weibull distribution in two-stage sampling, which is based on the number of failures from a truncated life test.
Shafaqat Ali, Jose Jorge, Muhammad Aslam, Muhammad Kashif   +3 more
doaj   +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

Control charts using half-normal and half-exponential power distributions using repetitive sampling

Scientific Reports
This manuscript presents the development of an attribute control chart (ACC) designed to monitor the number of defective items in manufacturing processes.
Muhammad Naveed, Muhammad Azam, Nasrullah Khan, Muhammad Aslam, Muhammad Saleem, Muhammad Saeed   +5 more
doaj   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

FEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe, Tanmay Kumar Mohanty, Rashna Bhandari, Dorothea Fiedler   +3 more
wiley   +1 more source

Utilizing Repetitive Sampling in the Construction of a Control Chart for Lindley Distribution with Time Truncation

Journal of Statistical Theory and Applications (JSTA)
The monitoring of the process relies on the average product lifetime, which adheres to the Lindley distribution and employs a truncated life test-based attribute control chart.
G. V. Sriramachandran, Srinivasa Rao Gadde, Muhammad Aslam   +2 more
doaj   +1 more source

Substrate specificity of Burkholderia pseudomallei multidrug transporters is influenced by the hydrophilic patch in the substrate‐binding pocket

FEBS Letters, EarlyView.
Multidrug transporters BpeB and BpeF from the Gram‐negative pathogen Burkholderia pseudomallei have a hydrophilic patch in their substrate‐binding pocket. Drug susceptibility tests and growth curve analyses using an Escherichia coli recombinant expression system revealed that the hydrophilic patches of BpeB and BpeF are involved in the substrate ...
Ui Okada, Satoshi Murakami
wiley   +1 more source

Utilizing unified progressive hybrid censored data in parametric inference under accelerated life tests

Scientific Reports
Progressive-stress accelerated life testing (PSALT) is a specialized experimental method that evaluates the longevity of a product under continuously fluctuating stress levels.
Manal M. Yousef, Amal S. Hassan, Ehab M. Almetwally, M. Nagy, A. H. Mansi   +4 more
doaj   +1 more source