Double-wavelet approach to study frequency and amplitude modulation in renal autoregulation.

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Standard

Double-wavelet approach to study frequency and amplitude modulation in renal autoregulation. / Sosnovtseva, Olga; Pavlov, A N; Mosekilde, E; Holstein-Rathlou, N-H; Marsh, D J.

I: Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), Bind 70, Nr. 3 Pt 1, 2004, s. 031915.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Sosnovtseva, O, Pavlov, AN, Mosekilde, E, Holstein-Rathlou, N-H & Marsh, DJ 2004, 'Double-wavelet approach to study frequency and amplitude modulation in renal autoregulation.', Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), bind 70, nr. 3 Pt 1, s. 031915.

APA

Sosnovtseva, O., Pavlov, A. N., Mosekilde, E., Holstein-Rathlou, N-H., & Marsh, D. J. (2004). Double-wavelet approach to study frequency and amplitude modulation in renal autoregulation. Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), 70(3 Pt 1), 031915.

Vancouver

Sosnovtseva O, Pavlov AN, Mosekilde E, Holstein-Rathlou N-H, Marsh DJ. Double-wavelet approach to study frequency and amplitude modulation in renal autoregulation. Physical Review E (Statistical, Nonlinear, and Soft Matter Physics). 2004;70(3 Pt 1):031915.

Author

Sosnovtseva, Olga ; Pavlov, A N ; Mosekilde, E ; Holstein-Rathlou, N-H ; Marsh, D J. / Double-wavelet approach to study frequency and amplitude modulation in renal autoregulation. I: Physical Review E (Statistical, Nonlinear, and Soft Matter Physics). 2004 ; Bind 70, Nr. 3 Pt 1. s. 031915.

Bibtex

@article{bf6db0f0ab6011ddb5e9000ea68e967b,
title = "Double-wavelet approach to study frequency and amplitude modulation in renal autoregulation.",
abstract = "Biological time series often display complex oscillations with several interacting rhythmic components. Renal autoregulation, for instance, involves at least two separate mechanisms both of which can produce oscillatory variations in the pressures and flows of the individual nephrons. Using double-wavelet analysis we propose a method to examine how the instantaneous frequency and amplitude of a fast mode is modulated by the presence of a slower mode. Our method is applied both to experimental data from normotensive and hypertensive rats showing different oscillatory patterns and to simulation results obtained from a physiologically based model of the nephron pressure and flow control. We reveal a nonlinear interaction between the two mechanisms that regulate the renal blood flow in the form of frequency and amplitude modulation of the myogenic oscillations.",
author = "Olga Sosnovtseva and Pavlov, {A N} and E Mosekilde and N-H Holstein-Rathlou and Marsh, {D J}",
note = "Keywords: Adaptation, Physiological; Algorithms; Animals; Biological Clocks; Computer Simulation; Feedback; Homeostasis; Hypertension, Renal; Kidney; Models, Biological; Nephrons; Rats",
year = "2004",
language = "English",
volume = "70",
pages = "031915",
journal = "Physical Review E",
issn = "2470-0045",
publisher = "American Physical Society",
number = "3 Pt 1",

}

RIS

TY - JOUR

T1 - Double-wavelet approach to study frequency and amplitude modulation in renal autoregulation.

AU - Sosnovtseva, Olga

AU - Pavlov, A N

AU - Mosekilde, E

AU - Holstein-Rathlou, N-H

AU - Marsh, D J

N1 - Keywords: Adaptation, Physiological; Algorithms; Animals; Biological Clocks; Computer Simulation; Feedback; Homeostasis; Hypertension, Renal; Kidney; Models, Biological; Nephrons; Rats

PY - 2004

Y1 - 2004

N2 - Biological time series often display complex oscillations with several interacting rhythmic components. Renal autoregulation, for instance, involves at least two separate mechanisms both of which can produce oscillatory variations in the pressures and flows of the individual nephrons. Using double-wavelet analysis we propose a method to examine how the instantaneous frequency and amplitude of a fast mode is modulated by the presence of a slower mode. Our method is applied both to experimental data from normotensive and hypertensive rats showing different oscillatory patterns and to simulation results obtained from a physiologically based model of the nephron pressure and flow control. We reveal a nonlinear interaction between the two mechanisms that regulate the renal blood flow in the form of frequency and amplitude modulation of the myogenic oscillations.

AB - Biological time series often display complex oscillations with several interacting rhythmic components. Renal autoregulation, for instance, involves at least two separate mechanisms both of which can produce oscillatory variations in the pressures and flows of the individual nephrons. Using double-wavelet analysis we propose a method to examine how the instantaneous frequency and amplitude of a fast mode is modulated by the presence of a slower mode. Our method is applied both to experimental data from normotensive and hypertensive rats showing different oscillatory patterns and to simulation results obtained from a physiologically based model of the nephron pressure and flow control. We reveal a nonlinear interaction between the two mechanisms that regulate the renal blood flow in the form of frequency and amplitude modulation of the myogenic oscillations.

M3 - Journal article

C2 - 15524557

VL - 70

SP - 031915

JO - Physical Review E

JF - Physical Review E

SN - 2470-0045

IS - 3 Pt 1

ER -

ID: 8420091