Evidence map›Paper›PMID 31845087›Full record

ArticleNanoscale research letters2019

Heating Efficiency of Triple Vortex State Cylindrical Magnetic Nanoparticles.

De Wei Wong, Wei Liang Gan, Yuan Kai Teo, Wen Siang Lew

Open access · goldAbstract read
In one paragraph

Article in Nanoscale research letters, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.5field-weighted citation impact, top 36% 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

1 citing paper in PubMed, 14 citations in OpenAlex.

  1. 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

4 authors at 1 institution in 1 country.

De Wei WongSchool of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Nanyang, 637371, Singapore.
Wei Liang GanSchool of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Nanyang, 637371, Singapore.
Yuan Kai TeoSchool of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Nanyang, 637551, Singapore.
Wen Siang LewSchool of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Nanyang, 637371, Singapore. wensiang@ntu.edu.sg.ORCID http://orcid.org/0000-0002-5161-741X
Nanyang Technological University · SG

Funding

National Research Foundation Singapore NRF2015-IIP001-001
6 · The paper itself

Abstract

A well-established method for treating cancerous tumors is magnetic hyperthermia, which uses localized heat generated by the relaxation mechanism of magnetic nanoparticles (MNPs) in a high-frequency alternating magnetic field. In this work, we investigate the heating efficiency of cylindrical NiFe MNPs, fabricated by template-assisted pulsed electrodeposition combined with differential chemical etching. The cylindrical geometry of the MNP enables the formation of the triple vortex state, which increases the heat generation efficiency by four times. Using time-dependent calorimetric measurements, the specific absorption rate (SAR) of the MNPs was determined and compared with the numerical calculations from micromagnetic simulations and vibrating sample magnetometer measurements. The magnetization reversal of high aspect ratios MNPs showed higher remanent magnetization and low-field susceptibility leading to higher hysteresis losses, which was reflected in higher experimental and theoretical SAR values. The SAR dependence on magnetic field strength exhibited small SAR values at low magnetic fields and saturates at high magnetic fields, which is correlated to the coercive field of the MNPs and a characteristic feature of ferromagnetic MNPs. The optimization of cylindrical NiFe MNPs will play a pivotal role in producing high heating performance and biocompatible magnetic hyperthermia agents.

Indexed as

HeLa cellsMagnetic hyperthermiaMagnetic nanoparticlesSpecific absorption rate

Identifiers

PMID31845087
PMCPMC6915247
OpenAlexW2995486609

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.