Aptamer 学术简报 — food_safety — 2026-09-19

自动生成 by RBTX Aptamer Tracker v0.1。 子主题 food_safety：近 14 天 21 篇命中（aptamer 池 141 篇）。

评分公式：composite = 0.45×log(IF) + 0.35×log(cites_velocity) + 0.10×social + 0.10×recency_bonus；满分 100。

#1 [13.5] In situ monitoring of ferroptosis via dual-mode imaging of TFR1 expression using an aptamer-engineered MOF-Ag nanohybrid.

Ferroptosis is closely associated with the cytotoxicity of foodborne contaminants, with Transferrin Receptor 1 (TFR1) serving as a critical biomarker. Consequently, the in situ dynamic monitoring of TFR1 is crucial for unraveling the toxicological mechanisms underlying foodborne toxicity. To address the challenges of interference and insufficien...

#2 [13.3] An interface-regulated colorimetric-electrochemical dual-mode aptasensor for acetamiprid detection.

Matrix-derived electroactive interference remains a major analytical challenge for electrochemical aptasensors in complex food samples. We develop a sequential dual-mode aptasensor based on interface regulation for reliable colorimetric screening and electrochemical quantification of acetamiprid. The aptasensor is constructed on a g‑C₃N₄/AuNP-mo...

#3 [13.3] Water-induced supramolecular self-assembly of porphyrin integrated with multivalent metal-organic framework for enhanced electrochemiluminescence and ultrasensitive aptasensing of 4-fluoromethamphetamine.

Aggregation-caused quenching (ACQ) and poor aqueous solubility severely restrict electrochemiluminescence (ECL) applications of polycyclic aromatic hydrocarbons (PAHs). Herein, a water-induced supramolecular self-assembly strategy is proposed to address these drawbacks. Via a simple reprecipitation route, representative PAH meso-tetrakis(4-carbo...

#4 [13.1] Atomically dispersed ruthenium on magnetic layered double hydroxide nanozyme for a multi-mode aptasensor enabling highly sensitive kanamycin detection.

Kanamycin residues in food pose health risks due to their ototoxicity, nephrotoxicity, and antimicrobial resistance promotion. This work reports a multi-mode aptasensor combining atomically dispersed ruthenium-doped magnetic layered double hydroxide (RuSA/MLDH) with exonuclease I-assisted amplification. RuSA/MLDH exhibits DNA-enhanced peroxidase...

#5 [12.0] Self-reduced anchoring of dispersed silver nanoparticles on Wurster COFs combined with graphene quantum dots: signal amplification for a femtomolar chlorpyrifos dual-recognition electrochemical aptasensor.

Accurate detection of the widely used organophosphorus pesticide chlorpyrifos (CPF) is of great significance for ecological systems and human health. In this study, a dual-recognition electrochemical sensing platform was constructed by assembling graphene quantum dots (GQDs) with highly dispersed Ag nanoparticles (AgNPs) anchored on Wurster-type...

#6 [11.7] Aptamer-Based Sensing with Fluorescent Light-Up DNA.

DNA aptamers are widely used in the construction of fluorescent sensors, typically employing labelled fluorophores as signaling indicators. However, this covalent labeling approach suffers from several limitations, including complex and costly chemical modification, incompatibility with long aptamer sequences, and susceptibility to false-positiv...

#7 [11.7] Self-Propagating Rolling Circle Amplification Enabled by a Dual-Function Fluorogenic Primer for Ultrasensitive Detection of Salmonella

Abstract Sensitive detection of foodborne pathogenic bacteria is essential for food safety monitoring and public health protection. Herein, we report a self-propagating hyperbranched rolling circle amplification (SP-HRCA) biosensing strategy enabled by a dual-function fluorogenic primer (DFP) for ultrasensitive detection of Salmonella. In this s...

#8 [11.1] Synergistic dual-recognition enabled by single-atom nanozyme and aptamer for ultrasensitive colorimetric detection of glyphosate.

While nanozyme-based inhibition strategies are attractive for on-site detection of pesticides, their sensitivity is primarily hampered by insufficient interactions at the nanozyme-pesticide interface. To address this, we developed a dual-recognition system that integrates a Fe/Cu-N-C single-atom nanozyme (SAzyme) with an aptamer for sensitive de...

#9 [10.5] Portable dual-color bipolar electrode electrochemiluminescence biosensor array for simultaneous detection and imaging of marine pathogens.

Rapid and sensitive detection of diverse trace bacteria in seawater faces scientific challenges. This work developed a color-potential-spatial highly-resolved bipolar electrode (BPE) electrochemiluminescence (ECL) array sensor for detection and imaging of Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). Herein, we introduced Agm...

#10 [10.4] Entropy-Engineered Aptamer Truncation Enables Dual-Mode LRET/SERS Aptasensing for Multiplex Detection of Phalloidin and α-Amanitin in Mushroom Samples.

Phalloidin (PHD) and α-amanitin (α-AMT) are structurally constrained cyclic mushroom toxins whose rigid structures and limited accessible recognition surfaces challenge high-affinity molecular recognition and sensitive multiplex detection. Here, we report an entropy-guided aptamer engineering strategy that removes redundant regions while preserv...

Methodology