Results 11 to 20 of about 41,364 (301)

Molecularly imprinted polymer based on MWCNTs-QDs as fluorescent biomimetic sensor for specific recognition of target protein [PDF]

, 2015
A novel molecularly imprinted optosensing material based on multi-walled carbon nanotube-quantum dots (MWCNT-QDs) has been designed and synthesized for its high selectivity, sensitivity and specificity in the recognition of a target protein bovine serum ...
Nie, H., Gong, X., Quan, J., Tao, L., Ding, X., Bligh, S.W.A., Limin, Z.   +6 more
core   +1 more source

Physico-Chemical Transformation and Toxicity of Multi-Shell InP Quantum Dots under Simulated Sunlight Irradiation, in an Environmentally Realistic Scenario

Nanomaterials, 2022
Quantum dots (QDs) are widely used in optoelectronics, lighting, and photovoltaics leading to their potential release into the environment. The most promising alternative to the highly toxic cadmium selenide (CdSe) QDs are indium phosphide (InP) QDs ...
Fanny Dussert, Géraldine Sarret, Karl David Wegner, Olivier Proux, Gautier Landrot, Pierre-Henry Jouneau, Peter Reiss, Marie Carrière   +7 more
doaj   +1 more source

Synthesis of Colloidal Silicon Quantum Dot from Rice Husk Ash

Journal of Chemistry, 2021
This article describes the synthesis procedure of colloidal silicon quantum dot (Si QDs) from rice husk ash. The silicon quantum dots were capped with 1-octadecene by thermal hydrosilylation under argon gas to obtain octadecyl-Si QDs (ODE-Si QDs).
Thu-Huong Le, Dang Thi Thanh Le, Nguyen Van Tung   +2 more
doaj   +1 more source

High-quantum yield alloy-typed core/shell CdSeZnS/ZnS quantum dots for bio-applications

Journal of Nanobiotechnology, 2022
Background Quantum dots (QDs) have been used as fluorophores in various imaging fields owing to their strong fluorescent intensity, high quantum yield (QY), and narrow emission bandwidth.
Jaehi Kim, Do Won Hwang, Heung Su Jung, Kyu Wan Kim, Xuan-Hung Pham, Sang-Hun Lee, Jung Woo Byun, Wooyeon Kim, Hyung-Mo Kim, Eunil Hahm, Kyeong-min Ham, Won-Yeop Rho, Dong Soo Lee, Bong-Hyun Jun   +13 more
doaj   +1 more source

Multi-color single particle tracking with quantum dots. [PDF]

PLoS ONE, 2012
Quantum dots (QDs) have long promised to revolutionize fluorescence detection to include even applications requiring simultaneous multi-species detection at single molecule sensitivity. Despite the early promise, the unique optical properties of QDs have
Eva C Arnspang, Jonathan R Brewer, B Christoffer Lagerholm   +2 more
doaj   +1 more source

Cytotoxicity of InP/ZnS Quantum Dots With Different Surface Functional Groups Toward Two Lung-Derived Cell Lines

Frontiers in Pharmacology, 2018
Although InP/ZnS quantum dots (QDs) have emerged as a presumably less hazardous alternative to cadmium-based QDs, their toxicity has not been fully understood.
Ting Chen, Ting Chen, Li Li, Li Li, Gaixia Xu, Xiaomei Wang, Jie Wang, Yajing Chen, Wenxiao Jiang, Zhiwen Yang, Guimiao Lin   +10 more
doaj   +1 more source

Study of Physico-Chemical Changes of CdTe QDs after Their Exposure to Environmental Conditions

Nanomaterials, 2020
The irradiance of ultraviolet (UV) radiation is a physical parameter that significantly influences biological molecules by affecting their molecular structure. The influence of UV radiation on nanoparticles has not been investigated much.
Bozena Hosnedlova, Michaela Vsetickova, Martina Stankova, Dagmar Uhlirova, Branislav Ruttkay-Nedecky, Augustine Ofomaja, Carlos Fernandez, Marta Kepinska, Mojmir Baron, Bach Duong Ngoc, Hoai Viet Nguyen, Ha Pham Thi Thu, Jiri Sochor, Rene Kizek   +13 more
doaj   +1 more source

Dependence of Quantum Dot Toxicity In Vitro on Their Size, Chemical Composition, and Surface Charge

Nanomaterials, 2022
Semiconductor nanocrystals known as quantum dots (QDs) are of great interest for researchers and have potential use in various applications in biomedicine, such as in vitro diagnostics, molecular tracking, in vivo imaging, and drug delivery.
Alyona Sukhanova, Svetlana Bozrova, Evgeniia Gerasimovich, Maria Baryshnikova, Zinaida Sokolova, Pavel Samokhvalov, Chris Guhrenz, Nikolai Gaponik, Alexander Karaulov, Igor Nabiev   +9 more
doaj   +1 more source

The Effects of Zinc Oxide (ZnO) Quantum Dots (QDs) Embedment on the Physicochemical Properties and Photocatalytic Activity of Titanium Dioxide (TiO2) Nanoparticles

, 2021
In this study, a detailed investigation on the effect of zinc oxide (ZnO) quantum dots (QDs) embedment on the physicochemical properties of anatase titanium dioxide (TiO2) was conducted.
Sreekantan, Srimala, Usman, Saidu, Adam, Farook, Iqbal, Anwar, Ahmad, Mohammad Norazmi, Jasni, Normawati   +5 more
core   +1 more source

Stable CsPbBr3 Achieved by Porphyrin–Thiol Surface Management and Their Dual‐Stimuli Responsive for Optical Encoding

Advanced Materials Interfaces, 2023
Surface ligand management plays an essential role in improving the stability of perovskite quantum dots (QDs) and endowing them with novel property. Herein, a red fluorescence porphyrin‐thiol (named Por‐SH) is applied to adjust the surface and stimuli ...
Xiaoxia Feng, Xiyue Zhao, Jinli Liu, Pengxiao Xu, Jiacheng Liu   +4 more
doaj   +1 more source