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Enhanced optical properties of chitosan polymer doped with orange peel dye investigated via UV-Vis and FTIR analysis.
Sci Rep
January 2025
Department of Physics, Khalifa University, Abu Dhabi, United Arab Emirates.
The current research aims to determine the impact of orange peel dye (OPD), an eco-friendly addition, on the optical properties of biodegradable polymers. This study investigates the enhancement of optical properties in solid electrolytes based on chitosan (CS) and glycerol, with varying OPD concentrations. UV-Vis-NIR spectroscopy revealed significantly enhanced UV-visible light absorption in the 200-500 nm region and effective UV light blocking.
View Article and Find Full Text PDFRatiometric fluorescent aptasensor based on DNA-gated FeO@Uio-66-NH and Exo I-assisted signal amplification.
Anal Chim Acta
February 2025
Food Inspection and Quarantine Technology Center of Shenzhen Customs, Shenzhen Academy of Inspection and Quarantine, Shenzhen, 518045, PR China.
Background: Ochratoxin A (OTA) is toxic secondary metabolites produced by fungi and can pose a serious threat to food safety and human health. Due to the high stability and toxicity, OTA contamination in agricultural products is of great concern. Therefore, the development of a highly sensitive and reliable OTA detection method is crucial to ensure food safety.
View Article and Find Full Text PDFGold nanorod in silver tetrahedron: Cysteamine mediated synthesis of SERS probes with embedded internal markers for AFP detection.
Anal Chim Acta
February 2025
The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, No. 28 Xianning West Road, Xi'an, 710049, China. Electronic address:
Background: Plasmonic core-shell nanostructures with embedded internal markers used as Raman probes have attracted great attention in surface-enhanced Raman scattering (SERS) immunoassay for cancer biomarkers due to their excellent uniform enhancement. However, current core-shell nanostructures typically exhibit a spherical shape and are coated with a gold shell, resulting in constrained local field enhancement.
Results: In this work, we prepared a core-shell AuNR@BDT@Ag structure by depositing silver on the surface of Raman reporter-modified gold nanorods (AuNR).
Mucilage-based composites films and coatings for food packaging application: A review.
Int J Biol Macromol
January 2025
Department of Paper Technology, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India. Electronic address:
Developing sustainable and eco-friendly packaging solutions has garnered significant interest in recent years. Mucilage-based coatings and composites offer a promising approach due to their biodegradability, renewable nature, and ability to enhance food quality protection. This review paper discusses the impact of mucilage-based composites and coatings on various packaging applications, focusing on their physical, mechanical, morphological, barrier, and functional properties.
View Article and Find Full Text PDFLow hysteresis and high sensitivity TPU/carbonized wood cellulose sponge sensors for monitoring dynamic pulses.
Int J Biol Macromol
January 2025
School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China.
The importance of continuous and reliable pulse wave monitoring is constantly being increased in health signal monitoring and disease diagnoses. Flexible pressure sensors with high sensitivity, low hysteresis and fast response time are an effective means for monitoring pulses. Herein, a special wave-shaped layered porous structure of carbonized wood cellulose sponge (CWCS) was constructed based on natural wood (NW).
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