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Filename: controllers/Detail.php
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Function: _error_handler
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Function: _error_handler
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Function: insertAPISummary
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Silica nanoparticles hold tremendous potential for the encapsulation of enzymes. However, aqueous alcohol solutions and catalysts are prerequisites for the production of silica nanoparticles, which are too harsh for maintaining the enzyme activity. Herein, a procedure without any organic solvents and catalysts (acidic or alkaline) is developed for the synthesis of silica-encapsulated glucose-oxidase-coated magnetic nanoparticles by a facile self-assembly route, avoiding damage of the enzyme structure in the reaction system. The encapsulated enzyme was characterized by scanning electron microscopy, transmission electron microscopy, energy-dispersive spectrometry, and a vibrating sample magnetometer. Finally, a colorimetric sensing method was developed for the detection of glucose in urine samples based on the encapsulated glucose oxidase and a hydrogen peroxide test strip. The method exhibited a good linear performance in the concentration range of 20~160 μg mL and good recoveries ranging from 94.3 to 118.0%. This work proves that the self-assembly method could be employed to encapsulate glucose oxidase into silica-coated magnetic particles. The developed colorimetric sensing method shows high sensitivity, which will provide a promising tool for the detection of glucose and the monitoring of diabetes.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9227432 | PMC |
http://dx.doi.org/10.3390/pharmaceutics14061154 | DOI Listing |
ACS Macro Lett
December 2024
Department of Gynaecology and Obstetrics, Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital School of Medicine, Tongji University, Shanghai 200434, China.
Nanobowls show promising potential in biomedical applications, such as bioimaging, cargo delivery, and disease theranostics, due to their unique concave structure and interior cavities. However, the lack of biodegradable nanobowls with manipulable size (especially the dent size) still exists as an obstacle for their in-depth exploration and application in biomedical fields. Herein, polypeptide-based nanobowls are successfully obtained by the self-assembly of a graft polypeptide [named TPE-P(GAAzo--GA)] via a solvent-switch method.
View Article and Find Full Text PDFInt J Mol Sci
November 2024
Infochemistry Scientific Center, ITMO University, Lomonosova Str. 9, 191002 St. Petersburg, Russia.
Eur J Med Chem
December 2024
State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China. Electronic address:
Nanophotonics
June 2024
Department of Materials Science and Engineering, National Cheng Kung University, Tainan, Taiwan.
The realization of higher coupling strengths between coupled resonant modes enables exploration of compelling phenomena in diverse fields of physics and chemistry. In this study, we focus on the modal coupling between localized surface plasmon resonance (LSPR) of Au nanoparticles (Au-NPs) and Fabry-Pérot mode (p-NiO/Au film). The effects of nanoparticle size, projected surface coverage (PSC), interparticle distance (IPD), and arrangement to the coupling strength between the two modes are theoretically investigated using finite-difference time-domain (FDTD) method.
View Article and Find Full Text PDFSmall
December 2024
Department of Chemistry, Xihua University, Chengdu, 610039, China.
Nano-formulated pesticides are increasingly desired to control the insect pest and plant disease with superior efficacy for guaranteeing the high yield and quality in crop production. However, the impact of nanocarrier morphology on pesticide resistance against rainwash, photolysis, and overall pesticide bioactivity remains unknown. In this work, a series of well-defined and morphology-controllable polymer nanocarriers for pesticide are fabricated through polymerization-induced self-assembly.
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