All-fiber surface-enhanced Raman scattering detection system combining an integrated microfluidic chip and micro-lensed fiber

Article Optics

Copper nanoleaves SERS substrates with high surface roughness for sensitive detection crystal violet and rhodamine 6G

Dapeng Xu et al.

Summary: Copper nanostructures prepared by solid-state ionics have high surface roughness and sensitivity, making them suitable for trace detection of harmful food additives.

OPTICS AND LASER TECHNOLOGY (2022)

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Article Instruments & Instrumentation

A Sensitive Surface-Enhanced Raman Spectroscopy Method for Detecting Tetracycline in Milk

Zichen Yang et al.

Summary: The article discusses the harmful effects of tetracycline residue in milk on human health, as well as the concerns about antibiotic abuse and the measures taken by the dairy industry. The authors used the SERS method and PDMS substrate to detect tetracycline in milk quickly, improving detection sensitivity and providing a possible method for on-site detection of tetracycline.

APPLIED SPECTROSCOPY (2021)

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Article Engineering, Electrical & Electronic

Ultrasensitive SERS detection of crystal violet and malachite green based on high surface roughness copper nanocorns prepared via solid-state ionics method

Dapeng Xu et al.

Summary: Copper nanostructures prepared with macroscopic dendritic structures have high surface roughness, a low limit of detection for CV and MG, and strong application potential for detecting harmful additives in food.

SENSORS AND ACTUATORS A-PHYSICAL (2021)

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Article Chemistry, Analytical

Integrated pumpless microfluidic chip for the detection of foodborne pathogens by polymerase chain reaction and electrochemical analysis

Yoo Min Park et al.

Summary: The study developed a simple single-chip pathogen analysis system by integrating different modules for gene amplification, electrochemical analysis, and sample migration and mixing without external pumping systems. The system successfully detected target pathogens in laboratory conditions, demonstrating practicality and sensitivity.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

Chip-based microfluidics on-line with inductively coupled plasma mass spectrometry for standard dilution analysis

Emmanouil Mavrakis et al.

Summary: Microfluidics coupled with ICP-MS allows for powerful quantitation procedures utilizing internal standardization and standard additions, improving determination accuracy for various sample types. The efficient coupling of microfluidic chip to ICP-MS system using a combination of commercially available components enables highly sensitive detection of metal isotopes with minimal sample consumption. High average recoveries and low relative standard deviations were achieved for determined elements across multiple matrices, showcasing the advantages of this newly developed chip-based microfluidic SDA ICP-MS technique.

ANALYTICA CHIMICA ACTA (2021)

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Article Optics

Femtosecond laser micro-nano structured Ag SERS substrates with unique sensitivity, uniformity and stability for food safety evaluation

Xiao Luo et al.

Summary: This study presents a high sensitivity and high uniformity SERS substrate prepared by femtosecond laser ablation in Argon, which shows potential for detecting common food additives.

OPTICS AND LASER TECHNOLOGY (2021)

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Article Optics