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Gold 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).
Establishment and Evaluation of Rabbit Model for Corneal Ectasia by Photorefractive Keratectomy.
Exp Eye Res
January 2025
Department of Ophthalmology, Zhongshan Hospital, Fudan University, Shanghai, China. Electronic address:
The study aimed to compare the effects of different types of excimer laser keratectomy on rabbit corneas and to identify the optimal disease model for corneal ectasia. Additionally, investigating the structural and molecular alterations in the novel disease model helped explore the mechanisms underlying biomechanical cues in corneal ectasia. 2.
View Article and Find Full Text PDFFeS@BC prepared from natural pyrite and biomass as peroxydisulfate activator for sulfadiazine degradation.
Environ Res
January 2025
School of Environment and Energy Engineering, Anhui Jianzhu University, Hefei, 230601, China.
The efficient degradation of SAs is a significant challenge for the treatment of wastewater. To address this, the FeS@BC was prepared by calcining a mixture of pyrite and biomass, and used to activate peroxydisulfate (PDS) to degrade sulfadiazine (SDZ). The effect of carbon sources (wheat straw, rice husk, and corn cob) on catalytic activity of FeS@BC were investigated by Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), total Fe dissolution and free radical quantification.
View Article and Find Full Text PDFInvestigating the stability of chalcone (2E)-1-(4-hydroxyphenyl)-3-(4-methoxyphenyl)-prop-2-en-1-one by Raman spectroscopy and computational calculations at high pressure.
Spectrochim Acta A Mol Biomol Spectrosc
January 2025
Institute of Exact and Naturals Sciences, Federal University of Pará, 66075-110 Belém, PA, Brazil.
Chalcones are organic substances that have diverse biological activities and exhibit potential for the treatment of various diseases. The properties of these substances depend on the type and position of the functional group attached to their aromatic rings. As a result, in this work the chalcone (2E)-1-(4-hydroxyphenyl)-3-(4-methoxyphenyl)-prop-2-en-1-one (CHO) was investigated by Raman spectroscopy and computational calculations at high pressures with the objective of analyzing its structural stability.
View Article and Find Full Text PDFOxidative hydrothermal treatment of bovine bones: A lower CO emission process to obtain high specific surface area hydroxyapatite.
J Environ Manage
January 2025
GREENMAT, CESAM Research Unit, Institute of Chemistry B6, University of Liège, 4000, Liège, Belgium.
Hydroxyapatite (HA) is known to be the main component of the mineral part of bones. Due to its properties HA is studied for various applications such as bone graft, drug carrier, heterogeneous catalyst or sorbent for waste water treatment. HA can be synthesized or valorized from bone wastes, as the food industry produce billions of kilograms of animal bones.
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