Results 91 to 100 of about 563,921 (264)

Contrastive Principal Component Analysis

open access: yesCoRR, 2017
main body is 10 pages, 9 ...
Abubakar Abid   +3 more
openaire   +2 more sources

Spherical Principal Component Analysis [PDF]

open access: yes, 2019
Principal Component Analysis (PCA) is one of the most important methods to handle high dimensional data. However, most of the studies on PCA aim to minimize the loss after projection, which usually measures the Euclidean distance, though in some fields, angle distance is known to be more important and critical for analysis.
Kai Liu 0018   +3 more
openaire   +2 more sources

The pyruvate generator is a common phenomenon in mitochondria from different rat and mouse brain regions

open access: yesFEBS Letters, EarlyView.
The pyruvate generator, which causes activation of respiration by extra‐mitochondrial Ca2+, is also present and functional in rat brainstem mitochondria, as it is in other brain regions. This finding is confirmed by experiments with a fully reconstituted malate–aspartate shuttle (MAS).
Grazyna Debska‐Vielhaber   +7 more
wiley   +1 more source

Functional Principal Components Analysis of Shanghai Stock Exchange 50 Index

open access: yesDiscrete Dynamics in Nature and Society, 2014
The main purpose of this paper is to explore the principle components of Shanghai stock exchange 50 index by means of functional principal component analysis (FPCA).
Zhiliang Wang, Yalin Sun, Peng Li
doaj   +1 more source

On the multiway principal component analysis

open access: yesThe Annals of Statistics
Multiway data are becoming more and more common. While there are many approaches to extending principal component analysis (PCA) from usual data matrices to multiway arrays, their conceptual differences from the usual PCA, and the methodological implications of such differences remain largely unknown.
Ouyang, Jialin, Yuan, Ming
openaire   +3 more sources

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

open access: yesFEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

Ubiquitination of secretory granules promotes their crinophagic degradation in Drosophila

open access: yesFEBS Letters, EarlyView.
Ubiquitination of secretory granules in Drosophila larval salivary glands is a critical molecular trigger for crinophagy, the lysosomal degradation of unreleased, or low‐quality granules. The E3 ubiquitin ligase Cnot4 is recruited to the surface of secretory granules to induce crinophagy.
Tamás Csizmadia   +6 more
wiley   +1 more source

Statistical and Econometric Analysis of the Correlations Between Migration and the Main Macro-aggregates in EU [PDF]

open access: yesOvidius University Annals: Economic Sciences Series, 2017
The paper analyzes the existing interdependencies between the migration phenomenon and the main macroeconomic indicators that characterize the EU economy (net income, unemployment rate and life expectancy) during 2008-2015.
Apostu Simona-Andreea
doaj  

Multivariate statistical analysis of parameters of surface water quality in Vojvodina

open access: yesZaštita Materijala, 2014
Monitoring of chemical and physical-chemical parameters of surface water is a very important factor in the quality control and management. Surface water quality is largely determined by atmospherics (natural process) and the discharge of industrial and ...
Borko Matijević   +4 more
doaj   +1 more source

Microbiome−host proteostasis crosstalk—An emerging perspective on mechanisms and interventions toward healthy longevity

open access: yesFEBS Letters, EarlyView.
Proteostasis and the gut microbiota play a key role in shaping host physiology. Microbiota‐derived metabolites, vitamins, and RNA modulate host proteostasis. Findings from model systems, including C. elegans, indicate microbes can either stabilize or disrupt host proteostasis.
Abhishek Anil Dubey, Maria Ermolaeva
wiley   +1 more source

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