Evidence map›Paper›PMID 23370407›Full record

ArticleJournal of biomedical optics2013

Label-free photoacoustic microscopy of cytochromes.

Chi Zhang, Yu Shrike Zhang, Da-Kang Yao, Younan Xia, Lihong V Wang

Open access · bronzeAbstract readLetter
In one paragraph

Article in Journal of biomedical optics, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed
8.2field-weighted citation impact, top 2% of its field
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

55 citing papers in PubMed, 122 citations in OpenAlex.

  1. Article
  2. Label-Free 3D Photoacoustic Imaging of Tumor Organoids for Volumetric Drug Screening.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025
    Article
  3. Article
  4. Article
  5. Review
  6. Review
  7. Article
  8. Quantitative Optical Imaging of Oxygen in Brain Vasculature.The journal of physical chemistry. B · 2024
    Review
  9. Article
  10. Article
  11. The sound of blood: photoacoustic imaging in blood analysis.Medicine in novel technology and devices · 2023
    Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Review
  17. Article
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  20. Article
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 at 3 institutions in 1 country.

Chi Zhang
Yu Shrike Zhang
Da-Kang Yao
Younan Xia
Lihong V Wang
Georgia Institute of Technology · USWashington University in St. Louis · USThe Wallace H. Coulter Department of Biomedical Engineering · US

Funding

Task Specific Project 3: Diffuse Optical TomographyU54CA136398 · NCI · WASHINGTON UNIVERSITY · PI PRIOR, FRED WILLIAM · 2008 to 2012
$6.0M
High-frequency multi-modality imaging:photoacousticR01EB000712 · NIBIB · WASHINGTON UNIVERSITY · PI WANG, LIHONG · 2002 to 2011
$4.2M
PHOTOACOUSTIC MICROSCOPY OF NEOVASCULARIZATION IN RENAL CANCER GROWTH AND THERAPYR01CA159959 · NCI · WASHINGTON UNIVERSITY · PI ARBEIT, JEFFREY MICHAEL · 2011 to 2015
$2.9M
Monitoring of Breast Neoadjuvant Therapy by Thermo- and Photo- Acoustic TomographR01CA134539 · NCI · WASHINGTON UNIVERSITY · PI MONSEES, BARBARA, WANG, LIHONG · 2009 to 2013
$2.9M
Photoacoustic endoscopy of Barretts esophagusR01CA157277 · NCI · WASHINGTON UNIVERSITY · PI MEYERS, BRYAN F, ZHOU, QIFA · 2010 to 2014
$2.7M
RECOVERY OF OPTICAL ABSORPTION COEFFICIENT IN QUANTITATIVE PHOTOACOUSTIC IMAGINGR01EB008085 · NIBIB · WASHINGTON UNIVERSITY · PI WANG, LIHONG · 2008 to 2011
$2.4M
NCI NIH HHS R01 CA134539NCI NIH HHS R01 CA157277NCI NIH HHS R01 CA159959NCI NIH HHS U54 CA136398NIBIB NIH HHS R01 EB000712NIBIB NIH HHS R01 EB008085
6 · The paper itself

Abstract

Photoacoustic microscopy (PAM) has achieved submicron lateral resolution in showing subcellular structures; however, relatively few endogenous subcellular contrasts have so far been imaged. Given that the hemeprotein, mostly cytochromes in general cells, is optically absorbing around the Soret peak (~420 nm), we implemented label-free PAM of cytochromes in cytoplasm for the first time. By measuring the photoacoustic spectra of the oxidized and reduced states of fibroblast lysate and fitting the difference spectrum with three types of cytochromes, we found that the three cytochromes account for more than half the optical absorption in the cell lysate at 420 nm wavelength. Fixed fibroblasts on slides were imaged by PAM at 422 and 250 nm wavelengths to reveal cytoplasms and nuclei, respectively, as confirmed by standard staining histology. PAM was also applied to label-free histology of mouse ear sections by showing cytoplasms and nuclei of various cells. PAM of cytochromes in cytoplasm is expected to be a high-throughput, label-free technique for studying live cell functions, which cannot be accomplished by conventional histology.

Indexed as

AnimalsCytochromesCytoplasmFibroblastsMiceMicroscopyMicroscopy, FluorescenceOptical DevicesOptical PhenomenaPhotoacoustic TechniquesSkinCytochromes

Identifiers

PMID23370407
PMCPMC3560837
OpenAlexW2132365860

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.