Evidence map›Paper›PMID 39803835›Full record

ArticleACS nano2025

Robotic Microcapsule Assemblies with Adaptive Mobility for Targeted Treatment of Rugged Biological Microenvironments.

Hong Huy Tran, Zhenting Xiang, Min Jun Oh, Yuan Liu, Zhi Ren, Chider Chen, Nadasinee Jaruchotiratanasakul, James M Kikkawa, Daeyeon Lee, Hyun Koo and 1 more

Abstract read
In one paragraph

Article in ACS nano, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing 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

13 citing papers in PubMed.

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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

11 authors.

Hong Huy TranCenter for Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.ORCID 0000-0002-7806-2936
Zhenting XiangCenter for Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.
Min Jun OhCenter for Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.ORCID 0000-0001-6082-3162
Yuan LiuCenter for Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.ORCID 0000-0003-0213-606X
Zhi RenCenter for Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.ORCID 0000-0002-3553-1958
Chider ChenDepartment of Oral and Maxillofacial Surgery and Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.ORCID 0000-0003-2899-1208
Nadasinee JaruchotiratanasakulCenter for Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.
James M KikkawaDepartment of Physics and Astronomy, School of Arts and Sciences, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.ORCID 0000-0002-5948-3233
Daeyeon LeeCenter for Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.ORCID 0000-0001-6679-290X
Hyun KooCenter for Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.ORCID 0000-0001-9143-2076
Edward SteagerCenter for Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States.ORCID 0000-0003-3078-5868

Funding

Biofilm Elimination and Caries Prevention using Multifunctional NanocatalystsR01DE025848 · NIDCR · UNIVERSITY OF PENNSYLVANIA · PI KOO, HYUN · 2017 to 2025
$5.6M
Small Scale Robotics for Automated Dental Biofilm TheranosticsR01DE031491 · NIDCR · UNIVERSITY OF PENNSYLVANIA · PI KOO, HYUN, STEAGER, EDWARD · 2023 to 2025
$1.9M
Small Scale Robotics for Automated Dental Biofilm TreatmentR56DE029985 · NIDCR · UNIVERSITY OF PENNSYLVANIA · PI KOO, HYUN, STEAGER, EDWARD · 2021 to 2021
$656k
Advanced Training at the Interface of Engineering and Oral-Craniofacial SciencesR90DE031532 · NIDCR · UNIVERSITY OF PENNSYLVANIA · PI KOO, HYUN, STEBE, KATHLEEN J · 2021 to 2025
$505k
NIDCR NIH HHS R01 DE025848NIDCR NIH HHS R01 DE031491NIDCR NIH HHS R56 DE029985NIDCR NIH HHS R90 DE031532
6 · The paper itself

Abstract

Microrobots are poised to transform biomedicine by enabling precise, noninvasive procedures. However, current magnetic microrobots, composed of solid monolithic particles, present fundamental challenges in engineering intersubunit interactions, limiting their collective effectiveness in navigating irregular biological terrains and confined spaces. To address this, we design hierarchically assembled microrobots with multiaxis mobility and collective adaptability by engineering the potential magnetic interaction energy between subunits to create stable, self-reconfigurable structures capable of carrying and protecting cargo internally. Using double emulsion templates and magnetic control techniques, we confine 10 nm iron oxide and 15 nm silica nanoparticles within the shell of 100 μm microcapsules that form multiunit robotic collectives. Unexpectedly, we find that asymmetric localization of iron oxide nanoparticles in the microcapsules enhances the intercapsule potential energy, creating stable connections under rotating magnetic fields without altering the magnetic susceptibility. These robotic microcapsule collectives exhibit emergent behaviors, self-reconfiguring into kinematic chain-like structures to traverse complex obstacles, arched confinements, and adhesive, rugged biological tissues that typically impede microscale systems. By harnessing these functions, we demonstrate targeted antifungal delivery using a localized biofilm model on mucosal tissues, showing effective killing of

Indexed as

Cellular MicroenvironmentDrug Delivery SystemsRoboticsCapsulesHumansNanoparticlesParticle SizeSilicon DioxideCapsulesSilicon Dioxidecollective behaviorcolloidal roboticsdouble emulsionsfungal infectionmicrorobotsmodular microrobotstargeted delivery

Identifiers

PMID39803835
PMCPMC11781029

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.