Evidence map›Paper›PMID 25360349›Full record

ArticleBiomedical optics express2014

Pixel-based absorption correction for dual-tracer fluorescence imaging of receptor binding potential.

Stephen C Kanick, Kenneth M Tichauer, Jason Gunn, Kimberley S Samkoe, Brian W Pogue

Abstract read
In one paragraph

Article in Biomedical optics express, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed.

  1. Dynamic Tracking ofMolecular pharmaceutics · 2025
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  8. Paired-agent imaging for detection of head and neck cancers.Proceedings of SPIE--the International Society for Optical Engineering · 2019
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Stephen C KanickThayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, USA.
Kenneth M TichauerDepartment of Biomedical Engineering, Illinois Institute of Technology, Chicago IL 60616, USA.
Jason GunnThayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, USA.
Kimberley S SamkoeThayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, USA ; Department of Surgery, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire 03755, USA.
Brian W PogueThayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, USA ; Department of Surgery, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire 03755, USA.

Funding

Fluorescence Imaging to Optimize Cancer TherapyR01CA109558 · NCI · DARTMOUTH COLLEGE · PI POGUE, BRIAN WILLIAM · 2005 to 2015
$2.8M
MRI fluorescence tomography for quantifying tumor receptor concentration in vivoR01CA184354 · NCI · DARTMOUTH COLLEGE · PI DAVIS, SCOTT C · 2014 to 2018
$2.6M
Quantitative optical dosimetry of magnetic nanoparticle cancer treatmentsK25CA164248 · NCI · DARTMOUTH COLLEGE · PI KANICK, STEPHEN CHAD · 2013 to 2015
$498k
NCI NIH HHS K25 CA164248NCI NIH HHS R01 CA109558NCI NIH HHS R01 CA184354
6 · The paper itself

Abstract

Ratiometric approaches to quantifying molecular concentrations have been used for decades in microscopy, but have rarely been exploited in vivo until recently. One dual-tracer approach can utilize an untargeted reference tracer to account for non-specific uptake of a receptor-targeted tracer, and ultimately estimate receptor binding potential quantitatively. However, interpretation of the relative dynamic distribution kinetics is confounded by differences in local tissue absorption at the wavelengths used for each tracer. This study simulated the influence of absorption on fluorescence emission intensity and depth sensitivity at typical near-infrared fluorophore wavelength bands near 700 and 800 nm in mouse skin in order to correct for these tissue optical differences in signal detection. Changes in blood volume [1-3%] and hemoglobin oxygen saturation [0-100%] were demonstrated to introduce substantial distortions to receptor binding estimates (error > 30%), whereas sampled depth was relatively insensitive to wavelength (error < 6%). In response, a pixel-by-pixel normalization of tracer inputs immediately post-injection was found to account for spatial heterogeneities in local absorption properties. Application of the pixel-based normalization method to an in vivo imaging study demonstrated significant improvement, as compared with a reference tissue normalization approach.

Indexed as

(170.3660) Light propagation in tissues(170.3880) Medical and biological imaging(170.4580) Optical diagnostics for medicine

Identifiers

PMID25360349
PMCPMC4206301

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.