Top aptamer papers on food safety — updated daily

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1. Hierarchical triple-mode immunosensing of aflatoxin B1: From visual screening to precise confirmation

   Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy · IF 4.6 · 2026-11-05 · 2 citations · score 25.8

   This work establishes a hierarchical triple-signal immunoassay based on a multifunctional nanocomposite of Prussian blue nanoparticle@carbon dot (PBNPs@CDs), aiming to address material complexity and system integration issues in multimodal sensing. PBNPs@CDs possess peroxidase-like activity, efficient photothermal…

2. A novel fluorescent aptasensor for sensitive and label-free detection of Di(2-ethylhexyl) phthalate based on catalytic hairpin assembly-assisted CRISPR/Cas9 and G-triplex

   Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy · IF 4.6 · 2026-11-05 · 1 citation · score 23.2

   Di(2-ethylhexyl) phthalate (DEHP) is a widely used plasticizer that poses significant risks to human health and ecosystems, making its sensitive, rapid, and reliable detection critically important for environmental monitoring and food safety assessment. CRISPR-Cas9, beyond its canonical site-specific endonuclease…

3. Near-Infrared Imaging of H(2)O(2) in Plants With Nanosensors Under Environmentally Changing Conditions

   Advanced materials (Deerfield Beach, Fla.) · IF 27.4 · 2026-10-30 · 1 citation · score 19.8

   Optical sensors are powerful tools to monitor biological systems. However, their practical deployment is often limited by environmental interferences such as autofluorescence, mechanical motion, and fluctuating illumination. These challenges are particularly pronounced in plants because they require and use light,…

4. A PMS-enhanced self-powered photoelectrochemical sensor based on dual-photoelectrode architecture for sensitive detection of carbofuran and acetamiprid

   Analytica chimica acta · IF 5.4 · 2026-11-01 · 1 citation · score 18.4

   A novel self-powered photoelectrochemical sensing platform was fabricated for the determination of acetamiprid and carbofuran. Donor-acceptor covalent organic frameworks were utilized as photoanode materials, while CuBr, with superior photochemical properties, served as the photocathode. The conjugated microporous…

5. Bimetallic synergy and aggregation-induced emission enhanced electrochemiluminescence aptasensor for detection of aflatoxin B1

   Analytica chimica acta · IF 5.4 · 2026-11-01 · 1 citation · score 18.4

   Aflatoxin B1 (AFB1), a highly carcinogenic mycotoxin widely contaminating agricultural products, poses a severe threat to food safety and human health, thereby necessitating the development of detection methods. Electrochemiluminescence (ECL) has emerged as an ideal analytical technique due to its near-zero background…

6. Re-selection of DNA aptamers for acetamiprid for light-up fluorescent detection

   Analytica chimica acta · IF 5.4 · 2026-11-01 · 1 citation · score 18.4

   Acetamiprid is currently the only member of second-generation neonicotinoid insecticides permitted for open-field use within the European Union following the ban of other neonicotinoids. Its potential environmental and health risks underscore the need for reliable detection methods. Although an acetamiprid aptamer was…

7. Dual-mode PEC-colorimetric aptasensor for sensitive aflatoxin B1 detection via a BiVO(4)/Ni(3)(HHTP)(2) heterojunction and PdAuCu nanoenzyme amplification

   Food research international (Ottawa, Ont.) · IF 7.0 · 2026-10-31 · 1 citation · score 18.1

   Rapid, sensitive, and accurate detection of aflatoxin B1 (AFB1) is essential for ensuring food safety. In this study, we developed a dual-mode photoelectrochemical-colorimetric (PEC-CL) aptasensor for AFB1 detection constructed from a BiVO4/Ni3(HHTP)2 type-II heterojunction integrated with a PdAuCu (PAC) ternary alloy…

8. Artificial neural network data fusion-mediated dual-mode sensor based on Fe(3)O(4)@PdIr for Salmonellatyphimurium detection in food

   Food research international (Ottawa, Ont.) · IF 7.0 · 2026-10-31 · 1 citation · score 18.1

   Salmonella Typhimurium (S. typhimurium) is a major foodborne pathogen that poses a serious threat to public health. In this study, a colorimetric/electrochemical dual-mode biosensor assisted by artificial neural network (ANN) was developed for the sensitive detection of S. typhimurium. Fe3O4@PdIr nanocomposites with…

9. Aptamer-modified magnetic chitosan nanocomposites for rapid and targeted decontamination of aflatoxin B(1) in medicine-food homologous decoctions

   Mikrochimica acta · IF 5.4 · 2026-11-04 · 0 citations · score 12.6

   A novel aptamer-functionalized core-shell magnetic chitosan adsorbent (Fe₃O₄@CS@apt) was developed for the selective removal of a flatoxin B1 (AFB1). The material was synthesized via emulsification cross-linking followed by EDC/sulfo-NHS-mediated aptamer conjugation. Characterization confirmed the core-shell structure…

10. MXene-based biosensors for pathogen detection: materials synthesis, sensing mechanisms, and analytical applications

    Mikrochimica acta · IF 5.4 · 2026-11-04 · 0 citations · score 12.6

    Rapid and accurate pathogen detection is essential for disease diagnosis, food safety, environmental monitoring, and public health surveillance. Conventional detection techniques, including culture-based assays, polymerase chain reaction (PCR), high-performance liquid chromatography (HPLC), and immunoassays, require…

11. A bifunctional triblock zwitterionic copolymer combined with gold nanostars for antifouling electrochemical aptasensor to detect chloramphenicol in food samples

    Analytica chimica acta · IF 5.4 · 2026-10-22 · 1 citation · score 12.3

    To address the issue of electrochemical sensors being susceptible to fouling interference in complex food matrices, this work proposed a high-performance antifouling aptasensor based on a triblock zwitterionic copolymer and a gold nanostars (Au NSs) conductive substrate. Through precise control over the composition of…

12. A Pt@Z8P-based electrochemiluminescence aptasensor with T7 exonuclease-assisted amplification for ultrasensitive deoxynivalenol determination in cereals

    Food chemistry · IF 8.8 · 2026-10-31 · 0 citations · score 12.1

    Deoxynivalenol (DON) is among the most prevalent trichothecene mycotoxins in cereals and cereal-derived foods. Chronic low-level exposure to DON continues to pose health and economic risks. Herein, an electrochemiluminescence (ECL) aptasensor was developed from a dual-ligand ZIF-8-derived emitter (Pt@Z8P) integrated…

13. Amplifying the invisible: Liquid crystal-hydrogel microcavities decode trace Hg ions and aflatoxin B1

    Journal of hazardous materials · IF 14.0 · 2026-10-28 · 0 citations · score 12.0

    Chinese herbal medicines (CHMs) have been applied to the prevention and treatment of numerous diseases. Ensuring the safety and pharmacological efficacy of CHMs demands precise detection of trace heavy metal ions and toxins, especially Hg and aflatoxin B1 (AFB1). However, due to subtle chemical signals, current…

14. Rational design of bispecific aptamers with high stability and affinity

    Analytica chimica acta · IF 5.4 · 2026-11-01 · 0 citations · score 11.6

    Bispecific aptamers (BsApts) enable dual-target recognition, which is essential for rapid antibiotic detection. However, the practical application of BsApts is often hindered by structural instability, which compromises their binding affinity. To address this, we employed a "sequence-structure-dynamic simulation"…

15. A multifunctional aptamer-based lateral flow assays with trimetallic nanozymes for the rapid detection of deoxynivalenol in maize

    Analytica chimica acta · IF 5.4 · 2026-11-01 · 0 citations · score 11.6

    BACKGROUND: Currently, aptamer-based lateral flow assays (LFAs) possess prominent merits of facile operation and cost-effectiveness, presenting potential application prospects in the realm of rapid food safety testing. However, it suffers from low accuracy and sensitivity in detecting mycotoxins in grains. RESULTS:…

16. Ultrasensitive analysis of patulin using aggregation-induced electrochemiluminescence active polymer dots as probe

    Talanta · IF 6.1 · 2026-10-31 · 0 citations · score 11.5

    Patulin (PAT) is a common mycotoxin that widely contaminates foods, posing a serious threat to public health. Sensitive detection of PAT is thus significant. Herein, an ultrasensitive electrochemiluminescence (ECL) sensing platform was constructed for quantitative analysis of PAT, in which aggregation-induced ECL…

17. Bioinspired fluorinated zwitterionic peptide-based electrochemical biosensors for highly sensitive and antifouling detection of chloramphenicol in food samples

    Food chemistry · IF 8.8 · 2026-10-29 · 0 citations · score 11.5

    Accurately detecting chloramphenicol (CAP) residues in animal-derived foods remains challenging primarily due to severe electrode biofouling. Inspired by shark skin's antifouling properties, a biomimetic antifouling peptide (FUZP) was designed by covalently grafting a perfluorocarboxylic acid moiety onto a U-shaped…

18. RCA-assisted dual-color quantum dot-graphene oxide fluorescence aptasensor for simultaneous detection of aflatoxin B1 and ochratoxin A

    Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy · IF 4.6 · 2026-10-29 · 0 citations · score 10.4

    A dual-color fluorescence aptasensor combining rolling circle amplification (RCA) with a graphene oxide (GO)-associated fluorescence-quenching platform was developed for the simultaneous determination of ochratoxin A (OTA) and aflatoxin B1 (AFB1) in grain samples. Blue-emitting graphitic carbon nitride quantum dots…

19. Engineering of magnetic peroxidase-like heterojunction nanozymes from homogeneous iron precursor by surface-initiated encapsulation for self-calibration colorimetric/fluorescence dual-mode analysis of Hg(2 +) ion in foods

    Journal of hazardous materials · IF 14.0 · 2026-10-23 · 0 citations · score 10.3

    The engineering of multi-modal optical sensors with improved detection accuracy is still a hot topic. Herein, the homologous heterostructured nanozyme with enhanced peroxidase (POD)-like activity was prepared by surface-initiated encapsulation of porphyrin-based metal-organic frameworks on magnetic ferroferric oxide…

20. Multi-mode biosensor based on T-Hg(2+)-T structure for the detection of Hg(2+) and chloramphenicol residues

    Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy · IF 4.6 · 2026-10-28 · 0 citations · score 10.0

    Developing sensitive and reliable methods for the detection of mercuric ions (Hg2+) and chloramphenicol (CAP) is of great practical significance for food safety. Herein, we present a novel multi-mode biosensing strategy for direct Hg2+ detection and indirect CAP quantification via a T-Hg2+-T structure. The CAP aptamer…