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Super absorbent microsphere used for slow-release thickening.
J Colloid Interface Sci
March 2025
College of Chemistry and Chemical Engineering, Donghua University, Shanghai 201620, China; National Manufacturing Innovation Center of Advanced Dyeing and Finishing Technology, Donghua University, Shanghai 201620, China. Electronic address:
Traditional linear polymer is commonly used for polymer flooding in tertiary oil recovery. However, it faces several problems, such as early injection allocation before use and viscosity reduction caused by high-speed shear. In this paper, a novel method of polymer flooding was proposed by using a super absorbent microsphere emulsion.
View Article and Find Full Text PDFCo-delivery of carboplatin and doxorubicin using ZIF-8 coated chitosan-poly(N-isopropyl acrylamide) nanoparticles through a dual pH/thermo responsive strategy to breast cancer cells.
Int J Biol Macromol
June 2024
Novel Drug Delivery Systems Research Center and Department of Medicinal Chemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran. Electronic address:
A dual pH/temperature sensitive core-shell nanoformulation has been developed based on ZIF-8 coated with chitosan-poly(N-isopropyl acrylamide) (CS-PNIPAAm) for co-delivery of doxorubicin (DOX) and carboplatin (CBP) in breast cancer cells. The resulting nanoparticles (NPs) had particle sizes around 200 nm and a zeta potential of about +30 mV. The CBP and DOX loading contents in the final NPs were 11.
View Article and Find Full Text PDFPreparation and performance of a stimuli-responsive drug delivery system: novel light-triggered temperature-sensitive drug-loaded microcapsules.
J Mater Chem B
October 2023
School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China.
Stimuli-responsive/smart drug delivery systems (DDSs), particularly those that use temperature as a stimuli-response factor to activate drug release, are the subject of recent research. A phase change material (PCM) is a popular thermally responsive material that can be used as a drug carrier and only when the system temperature is above the phase change point is the drug released following the phase change material changing from solid to liquid. In this study, a novel NIR light-triggered temperature-sensitive drug delivery system is developed for controllable release of acyclovir (ACV).
View Article and Find Full Text PDFActivating ultralow upconversion nanothermometry in neodymium sublattice for heart tissue imaging rapid-responsive.
Talanta
November 2023
Harbin Institute of Technology, No.92 Xidazhi Road, Nangang District, Harbin, China.
The fields of biosensitivity and biological imaging have received a lot of attention from rare earth-doped upconversion nanoparticles (UCNPs). However, owing to the relatively large energy difference of rare earth ions, biological sensitivity based on UCNPs is restricted to detect at low temperature. Here, we design core-shell-shell NaErF:Yb@NdO@SiO UCNPs as a dual-mode bioprobe that produces blue, green, and red multi-color upconversion emissions at extremely low temperatures between 100 K and 280 K.
View Article and Find Full Text PDFFabrication of a novel core-shell-shell temperature-sensitive magnetic composite with excellent performance for papain adsorption.
RSC Adv
July 2021
School of Food and Bioengineering, Xihua University Chengdu 610039 People's Republic of China
Herein, a novel temperature-sensitive magnetic composite (FeO@SiO@P(NIPAM--VI)/Cu) with a uniform core-shell-shell structure was successfully prepared a layer-by-layer method. The resulting magnetic composite revealed good magnetic properties and remarkable affinity to papain with a maximum adsorption capacity of 199.17 mg g.
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