Results 31 to 40 of about 742,791 (250)

Sample entropy analysis of cervical neoplasia gene-expression signatures

open access: yesBMC Bioinformatics, 2009
Background We introduce Approximate Entropy as a mathematical method of analysis for microarray data. Approximate entropy is applied here as a method to classify the complex gene expression patterns resultant of a clinical sample set.
Salama Salama A   +4 more
doaj   +1 more source

Entropy in Investigation of Vasovagal Syndrome in Passive Head Up Tilt Test

open access: yesEntropy, 2017
This paper presents an application of Approximate Entropy (ApEn) and Sample Entropy (SampEn) in the analysis of heart rhythm, blood pressure and stroke volume for the diagnosis of vasovagal syndrome.
Katarzyna Buszko   +3 more
doaj   +1 more source

Revisiting the volatility of bitcoin with approximate entropy

open access: yesCogent Economics & Finance, 2022
Two distinct and non-redundant understandings of volatility, as deviation from consistency, exist for a time-series: (1) exhibiting high standard deviation and, closer to the dictionary definition of the term, (2) appearing highly irregular and ...
Nassim Dehouche
doaj   +1 more source

Fault diagnosis of rolling bearing based on DWT-MFE and LSSVM

open access: yesXi'an Gongcheng Daxue xuebao, 2021
In view of the effects of non-stationary and nonlinear vibration signals on the accuracy of rolling bearing fault diagnosis, a rolling bearing fault diagnosis method was proposed based on discrete wavelet transform (DWT) and multi scale fuzzy entropy ...
Kaifeng WANG, Xiaohui ZHAO, Yanfang WEI
doaj   +1 more source

Decrease in brain complexity with methylphenidate treatment in boys diagnosed with attention deficit hyperactivity disorder: An entropy-based qeeg analysis

open access: yesEuropean Psychiatry, 2021
Introduction Attention deficit hyperactivity (ADHD) disorder is a common childhood neurodevelopmental disorder, and Methylphenidate (MPH) is a first-line therapeutic option for treating ADHD.However, how brain complexity and entropy changes with ...
F.H. Çetin   +3 more
doaj   +1 more source

Pediatric Idiopathic Multicentric Castleman Disease Is Often Severe But Responsive to Siltuximab

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Idiopathic multicentric Castleman disease (iMCD) is a potentially fatal immunologic disorder marked by widespread lymphadenopathy and inflammation. Siltuximab, an interleukin‐6 (IL‐6) inhibitor, is the only FDA‐approved treatment for adult patients with iMCD.
Bridget Austin   +17 more
wiley   +1 more source

The Impact of the COVID‐19 Pandemic on Childhood Cancer Survival: A Population‐Based Assessment of Survival Patterns Between 2015 and 2023 in Germany

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Numerous international studies have reported declines in new cancer diagnoses, delayed diagnoses and disruptions in cancer treatment following the implementation of COVID‐19 pandemic public health measures, raising concerns that these effects may ultimately contribute to increased cancer mortality.
Friederike Erdmann   +8 more
wiley   +1 more source

Low Voltage AC Series Arc Fault Detection Method Based on Approximate Entropy for Low Computational Performance Device

open access: yesIEEE Access
The series arc faults have been increasingly recognized as one of the major causes of electrical fires in residential environments. However, detecting series arc faults is becoming more challenging due to the increasing diversity of electrical loads used
Kyoung-Tak Kim   +4 more
doaj   +1 more source

Brain Entropy Study on Obsessive-Compulsive Disorder Using Resting-State fMRI

open access: yesFrontiers in Psychiatry, 2021
Object: Brain entropy is a potential index in the diagnosis of mental diseases, but there are some differences in different brain entropy calculation, which may bring confusion and difficulties to the application of brain entropy.
Xi Jiang   +8 more
doaj   +1 more source

Therapeutic Apheresis in Nigeria: A Multi‐Center Summary of Abstracts From the Inaugural Nigerian Society for Apheresis Scientific Meeting

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Therapeutic apheresis (TA) is an established treatment modality for hematologic, neurologic, and immunologic disorders, yet access remains severely limited in sub‐Saharan Africa. Donor apheresis, including platelet apheresis collection from healthy donors, represents an important complementary modality supporting blood product ...
Nosa Bazuaye   +33 more
wiley   +1 more source

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