Ultra-sensitive nitrate-ion detection via transconductance-enhanced graphene ion-sensitive field-effect transistors.

Yingming Xu, Peng Zhou, Terrence Simon, Tianhong Cui

Abstract read

In one paragraph

Article in Microsystems & nanoengineering, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it

0cells of the map it votes in

2citing 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

2 citing papers in PubMed.

Materials challenges in solid-state sensors for continuous monitoring of ions in water.Beilstein journal of nanotechnology · 2026
Review
Advanced Materials for Biological Field-Effect Transistors (Bio-FETs) in Precision Healthcare and Biosensing.Advanced healthcare materials · 2025
Review

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.

Yingming XuUniveristy of Minnesota, 111 Church Street SE, Minneapolis, Minnesota, 55455, US.ORCID http://orcid.org/0009-0008-1284-5904

Peng ZhouUniveristy of Minnesota, 111 Church Street SE, Minneapolis, Minnesota, 55455, US.ORCID http://orcid.org/0009-0003-0477-1566

Terrence SimonUniveristy of Minnesota, 111 Church Street SE, Minneapolis, Minnesota, 55455, US.

Tianhong CuiUniveristy of Minnesota, 111 Church Street SE, Minneapolis, Minnesota, 55455, US. cuixx006@umn.edu.

Funding

National Science Foundation (NSF) NSF-SitS-2034385

6 · The paper itself

Abstract

Current potentiometric sensing methods are limited to detecting nitrate at parts-per-billion (sub-micromolar) concentrations, and there are no existing potentiometric chemical sensors with ultralow detection limits below the parts-per-trillion (picomolar) level. To address these challenges, we integrate interdigital graphene ion-sensitive field-effect transistors (ISFETs) with a nitrate ion-sensitive membrane (ISM). The work aims to maximize nitrate ion transport through the nitrate ISM, while achieving high device transconductance by evaluating graphene layer thickness, optimizing channel width-to-length ratio (R

Identifiers

PMID39327424

DOI10.1038/s41378-024-00768-4

PMCPMC11427685

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LicenceCC BY

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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.