Results 41 to 50 of about 3,684,995 (295)

Self Consistent and Renormalized particle-particle RPA in a Schematic Model [PDF]

, 1998
The dynamical effects of ground state correlations for excitation energies and transition strengths near the superfluid phase transition are studied in the soluble two level pairing model, in the context of the particle-particle self consistent Random ...
A. F. R. de Toledo Piza, D.J. Rowe, E. J. V. de Passos, F. Catara, F. Krmpotić, F. Krmpotić, G. Ripka, H. Chen, J. Dukelsky, J. Dukelsky, J. Schwieger, J. Toivanen   +11 more
core   +2 more sources

Time Toxicity in Wilms Tumor: Quantifying the Burden of Healthcare Interaction in the First Year After Diagnosis

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Wilms tumor (WT) treatment imposes a significant time burden on patients and their families. Time toxicity is a patient‐centered metric that quantifies the burden of healthcare interaction. We sought to define time toxicity in the first year after diagnosis of WT and hypothesized that it would increase as tumor stage and treatment ...
Caleb Q. Ashbrook, Veerain Gupta, Nicholas J. Clark, Vijay Rings, Lauren E. Corona, Douglass B. Clayton, Daniel J. Benedetti   +6 more
wiley   +1 more source

Outlier identification and monitoring of institutional or clinician performance: an overview of statistical methods and application to national audit data

BMC Health Services Research, 2023
Background Institutions or clinicians (units) are often compared according to a performance indicator such as in-hospital mortality. Several approaches have been proposed for the detection of outlying units, whose performance deviates from the overall ...
Menelaos Pavlou, Gareth Ambler, Rumana Z. Omar, Andrew T. Goodwin, Uday Trivedi, Peter Ludman, Mark de Belder   +6 more
doaj   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

The Influence of Sample Size on Parameter Estimates in Three-Level Random-Effects Models

Frontiers in Psychology, 2019
In educational psychology, observational units are oftentimes nested within superordinate groups. Researchers need to account for hierarchy in the data by means of multilevel modeling, but especially in three-level longitudinal models, it is often ...
Denise Kerkhoff, Denise Kerkhoff, Fridtjof W. Nussbeck, Fridtjof W. Nussbeck   +3 more
doaj   +1 more source

Incorporating random effects in biopharmaceutical control strategies

AAPS Open, 2023
Objective Random effects are often neglected when defining the control strategy for a biopharmaceutical process. In this article, we present a case study that highlights the importance of considering the variance introduced by random effects in the ...
Thomas Oberleitner, Thomas Zahel, Marco Kunzelmann, Judith Thoma, Christoph Herwig   +4 more
doaj   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

FEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin, Tingting Chen, James A. Letts   +2 more
wiley   +1 more source

Economic Welfare of Refugees and Nationals in Kenya: A Comparative Panel Data Analysis

Economies
This study investigates the economic welfare of refugees and host communities in Kenya, utilizing bi-monthly panel data collected from May 2020 to May 2022.
Suleiman Hassan Maalim
doaj   +1 more source

A Comparison of Methods for Specifying Optimal Random Effects Structures

Methodology, 2023
Using Monte Carlo simulations, this study compared the performance of various approaches to the specification of random effects structures in linear mixed effects models (LMMs), including the minimal approach, the maximal approach, the forward search ...
Wen Luo, Haoran Li
doaj   +1 more source

Controlling for individual heterogeneity in longitudinal models, with applications to student achievement

, 2007
Longitudinal data tracking repeated measurements on individuals are highly valued for research because they offer controls for unmeasured individual heterogeneity that might otherwise bias results.
Lockwood, J. R., McCaffrey, Daniel F.
core   +1 more source