Evidence map›Paper›PMID 33208378›Full record

ArticleScience advances2020

Revealing nanoscale mineralization pathways of hydroxyapatite using in situ liquid cell transmission electron microscopy.

Kun He, Michal Sawczyk, Cong Liu, Yifei Yuan, Boao Song, Ram Deivanayagam, Anmin Nie, Xiaobing Hu, Vinayak P Dravid, Jun Lu and 5 more

Abstract read
In one paragraph

Article in Science advances, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing 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

33 citing papers in PubMed.

  1. Trial
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  7. Evidence for a possible quantum effect on the formation of lithium-doped amorphous calcium phosphate from solution.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  8. Article
  9. Review
  10. Bone Regeneration: Mini-Review and Appealing Perspectives.Bioengineering (Basel, Switzerland) · 2025
    Review
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  12. Review
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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

15 authors.

Kun HeDepartment of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL 60607, USA.ORCID 0000-0001-5504-5458
Michal SawczykDepartment of Chemistry, University of Illinois at Chicago, Chicago, IL 60607, USA.
Cong LiuChemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, IL 60439, USA.ORCID 0000-0002-2145-5034
Yifei YuanDepartment of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL 60607, USA.ORCID 0000-0002-2360-8794
Boao SongDepartment of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL 60607, USA.ORCID 0000-0003-3124-3235
Ram DeivanayagamDepartment of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL 60607, USA.ORCID 0000-0003-1367-009X
Anmin NieState Key Lab of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China.ORCID 0000-0002-0180-1366
Xiaobing HuNorthwestern University Atomic and Nanoscale Characterization Experimental (NUANCE) Center, Northwestern University, Evanston, IL 60208, USA.ORCID 0000-0002-9233-8118
Vinayak P DravidNorthwestern University Atomic and Nanoscale Characterization Experimental (NUANCE) Center, Northwestern University, Evanston, IL 60208, USA.ORCID 0000-0002-6007-3063
Jun LuChemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, IL 60439, USA.ORCID 0000-0003-0858-8577
Cortino SukotjoDepartment of Restorative Dentistry, College of Dentistry, University of Illinois at Chicago, Chicago, IL 60612, USA.
Yu-Peng LuSchool of Materials Science and Engineering, Shandong University, Ji'nan 250061, China. rsyassar@uic.edu tolou@uic.edu biosdu@sdu.edu.cn pkral@uic.edu.ORCID 0000-0003-0691-3786
Petr KrálDepartment of Chemistry, University of Illinois at Chicago, Chicago, IL 60607, USA. rsyassar@uic.edu tolou@uic.edu biosdu@sdu.edu.cn pkral@uic.edu.ORCID 0000-0003-2992-9027
Tolou ShokuhfarDepartment of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL 60607, USA. rsyassar@uic.edu tolou@uic.edu biosdu@sdu.edu.cn pkral@uic.edu.ORCID 0000-0002-5247-0720
Reza Shahbazian-YassarDepartment of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL 60607, USA. rsyassar@uic.edu tolou@uic.edu biosdu@sdu.edu.cn pkral@uic.edu.ORCID 0000-0002-7744-4780

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To treat impairments in hard tissues or overcome pathological calcification in soft tissues, a detailed understanding of mineralization pathways of calcium phosphate materials is needed. Here, we report a detailed mechanistic study of hydroxyapatite (HA) mineralization pathways in an artificial saliva solution via in situ liquid cell transmission electron microscopy (TEM). It is found that the mineralization of HA starts by forming ion-rich and ion-poor solutions in the saliva solution, followed by coexistence of the classical and nonclassical nucleation processes. For the nonclassical path, amorphous calcium phosphate (ACP) functions as the substrate for HA nucleation on the ACP surface, while the classical path features direct HA nucleation from the solution. The growth of HA crystals on the surface of ACP is accompanied by the ACP dissolution process. The discoveries reported in this work are important to understand the physiological and pathological formation of HA minerals, as well as to engineer the biomineralization process for bone healing and hard tissue repairs.

Identifiers

PMID33208378
PMCPMC7673812

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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.