Results 1 to 10 of about 111,103 (154)

O/C Ratio‐Driven Fluorescence Enhancement in Cellulose‐Derived Carbon Quantum Dots: Mechanistic Insights into Reaction Pathways [PDF]

Advanced Science
By regulating cellulose molecular weight through enzymatic hydrolysis to obtain different carbon precursors, three types of carbon quantum dots (CQDs) are synthesized via hydrothermal methods: cellulose enzyme‐hydrolyzed solids‐based carbon quantum dots (
Yarong Shi, Siyu Zhao, Xiheng Kang, Xinrui Chen, Xue Ou, Meng Nan Chong, Xueping Song, Zhanying Zhang   +7 more
doaj   +2 more sources

Carbon Quantum Dots Derived from Different Carbon Sources for Antibacterial Applications

Antibiotics, 2021
Nanoparticles possess unique features due to their small size and can be composed of different surface chemistries. Carbon quantum dots possess several unique physico-chemical and antibacterial activities.
Yanyan Wu, Cong Li, Henny C. van der Mei, Henk J. Busscher, Yijin Ren   +4 more
doaj   +1 more source

Inheritance of physico-chemical properties and ROS generation by carbon quantum dots derived from pyrolytically carbonized bacterial sources

Materials Today Bio, 2021
Bacteria are frequently used in industrial processes and nutrient supplementation to restore a healthy human microflora, but use of live bacteria is often troublesome.
Y. Wu, H. Wei, H.C. van der Mei, J. de Vries, H.J. Busscher, Y. Ren   +5 more
doaj   +1 more source

Effect of Synthesis Process, Synthesis Temperature, and Reaction Time on Chemical, Morphological, and Quantum Properties of Carbon Dots Derived from Loblolly Pine

Biomass, 2022
In this study, carbon dots are synthesized hydrothermally from loblolly pine using top-down and bottom-up processes. The bottom-up process dialyzed carbon dots from hydrothermally treated process liquid. Meanwhile, hydrochar was oxidized into carbon dots
Thomas Quaid, Vahab Ghalandari, Toufiq Reza   +2 more
doaj   +1 more source

An Overview on Carbon Quantum Dots Optical and Chemical Features

Molecules, 2023
Carbon quantum dots are the materials of a new era with astonishing properties such as high photoluminescence, chemical tuneability and high biocompatibility.
Marco Giuseppe Giordano, Giulia Seganti, Mattia Bartoli, Alberto Tagliaferro   +3 more
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Primary Amine Functionalized Carbon Dots for Dead and Alive Bacterial Imaging

Nanomaterials, 2023
Small molecular dyes are commonly used for bacterial imaging, but they still meet a bottleneck of biological toxicity and fluorescence photobleaching. Carbon dots have shown high potential for bio-imaging due to their low cost and negligible toxicity and
Yuting Liu, Di Zhong, Lei Yu, Yanfeng Shi, Yuanhong Xu   +4 more
doaj   +1 more source

Fluorescent Quantum Dots and Its Composites for Highly Sensitive Detection of Heavy Metal Ions and Pesticide Residues: A Review

Chemosensors, 2023
Quantum dots nanomaterials have attracted extensive interest for fluorescence chemical sensors due their attributes, such as excellent optical characteristics, quantum size effects, interface effects, etc. Moreover, the fluorescence properties of quantum
Zhezhe Wang, Bo Yao, Yawei Xiao, Xu Tian, Yude Wang   +4 more
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Synergy between “Probiotic” Carbon Quantum Dots and Ciprofloxacin in Eradicating Infectious Biofilms and Their Biosafety in Mice

Pharmaceutics, 2021
Orally administrated probiotic bacteria can aid antibiotic treatment of intestinal infections, but their arrival at their intestinal target site is hampered by killing in the gastrointestinal tract and by antibiotics solely intended for pathogen killing.
Yanyan Wu, Guang Yang, Henny C. van der Mei, Linqi Shi, Henk J. Busscher, Yijin Ren   +5 more
doaj   +1 more source

Carbon quantum dots as a tracer of water seepage sources and pathways in grottoes

Heritage Science, 2023
Water seepage is one of the main factors leading to the damage of grottoes. The sources and pathways of water seepage need to be identified to relieve it.
Bo Sun, Fenyan Ma, Huyuan Zhang, Ningbo Peng, Peng Zhang   +4 more
doaj   +1 more source

Modern advances in obtaining of carbon quantum dots, characterizing their properties and biomedical application: a review

Вестник. Серия физическая, 2021
Carbon quantum dots have attracted great interest in recent years due to their unique physical and chemical properties. The certain property that distinguishes carbon quantum dots from other priority nanomaterials is their visible photoluminescence at ...
N. Zhylkybayeva, G. Mussabek, S. Baktygerey, G.K. Sadikov, V. Lysenko, V.V. Lisnyak   +5 more
doaj   +1 more source