Literature DB >> 11439480

Wavelength dependence of the precision of noninvasive optical measurement of oxy-, deoxy-, and total-hemoglobin concentration.

Y Yamashita1, A Maki, H Koizumi.   

Abstract

The precision of noninvasive optical measurement of the concentration changes in oxy-, deoxy-, and total-hemoglobin depends on wavelength. For estimating the precision, we calculated the noise level of the concentration changes as the uncertainty in measurements using several wavelength pairs of light. Seven laser diodes (664-848 nm) were used simultaneously for spectroscopic measurement of brain activity during finger motor stimulation. We also used the analysis of error propagation from the uncertainty in direct measurements of absorbance changes to estimate indirectly the uncertainty of concentration changes. The measurement of the concentration changes made using an 830/664-nm pair are two times (oxy-Hb) and six times (deoxy-Hb) more precise than those made using an 830/782-nm pair.

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Year:  2001        PMID： 11439480     DOI： 10.1118/1.1373401

Source DB:  PubMed          Journal:  Med Phys        ISSN： 0094-2405            Impact factor:   4.071


  19 in total

1.  Hemodynamic evoked response of the sensorimotor cortex measured noninvasively with near-infrared optical imaging.

Authors:  Maria Angela Franceschini; Sergio Fantini; John H Thompson; Joseph P Culver; David A Boas
Journal:  Psychophysiology       Date:  2003-07       Impact factor: 4.016

2.  Wavelength optimization for rapid chromophore mapping using spatial frequency domain imaging.

Authors:  Amaan Mazhar; Steven Dell; David J Cuccia; Sylvain Gioux; Anthony J Durkin; John V Frangioni; Bruce J Tromberg
Journal:  J Biomed Opt       Date:  2010 Nov-Dec       Impact factor: 3.170

3.  Cortical hemoglobin-concentration changes under the coil induced by single-pulse TMS in humans: a simultaneous recording with near-infrared spectroscopy.

Authors:  Hitoshi Mochizuki; Yoshikazu Ugawa; Yasuo Terao; Kuniyoshi L Sakai
Journal:  Exp Brain Res       Date:  2005-11-18       Impact factor: 1.972

4.  Quantitative spatial comparison of diffuse optical imaging with blood oxygen level-dependent and arterial spin labeling-based functional magnetic resonance imaging.

Authors:  Theodore J Huppert; Rick D Hoge; Anders M Dale; Maria A Franceschini; David A Boas
Journal:  J Biomed Opt       Date:  2006 Nov-Dec       Impact factor: 3.170

5.  Intestinal perfusion monitoring using photoplethysmography.

Authors:  Tony J Akl; Mark A Wilson; M Nance Ericson; Gerard L Coté
Journal:  J Biomed Opt       Date:  2013-08       Impact factor: 3.170

6.  A temporal comparison of BOLD, ASL, and NIRS hemodynamic responses to motor stimuli in adult humans.

Authors:  T J Huppert; R D Hoge; S G Diamond; M A Franceschini; D A Boas
Journal:  Neuroimage       Date:  2005-11-21       Impact factor: 6.556

7.  Diffuse Optics for Tissue Monitoring and Tomography.

Authors:  T Durduran; R Choe; W B Baker; A G Yodh
Journal:  Rep Prog Phys       Date:  2010-07

8.  Study of neurovascular coupling in humans via simultaneous magnetoencephalography and diffuse optical imaging acquisition.

Authors:  Wanmei Ou; Ilkka Nissilä; Harsha Radhakrishnan; David A Boas; Matti S Hämäläinen; Maria Angela Franceschini
Journal:  Neuroimage       Date:  2009-03-12       Impact factor: 6.556

9.  fNIRS exhibits weak tuning to hand movement direction.

Authors:  Stephan Waldert; Laura Tüshaus; Christoph P Kaller; Ad Aertsen; Carsten Mehring
Journal:  PLoS One       Date:  2012-11-08       Impact factor: 3.240

10.  Effect of task-related extracerebral circulation on diffuse optical tomography: experimental data and simulations on the forehead.

Authors:  Tiina Näsi; Hanna Mäki; Petri Hiltunen; Juha Heiskala; Ilkka Nissilä; Kalle Kotilahti; Risto J Ilmoniemi
Journal:  Biomed Opt Express       Date:  2013-02-13       Impact factor: 3.732
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