Results 21 to 30 of about 29,770 (162)

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

open access: yes, 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   +11 more
core   +1 more source

Twin-Field Quantum Digital Signature with Fully Discrete Phase Randomization

open access: yesEntropy, 2022
Quantum digital signatures (QDS) are able to verify the authenticity and integrity of a message in modern communication. However, the current QDS protocols are restricted by the fundamental rate-loss bound and the secure signature distance cannot be ...
Jiayao Wu   +4 more
doaj   +1 more source

CdSe/ZnS Quantum Dots Impaired the First Two Generations of Placenta Growth in an Animal Model, Based on the Shh Signaling Pathway

open access: yesNanomaterials, 2019
The toxicity, especially the transgenerational toxicity of quantum dots (QDs) in vivo, is still scarcely understood in spite of great promising applications of QDs in biomedicine.
Wuding Hong   +7 more
doaj   +1 more source

Near-infrared quantum dots labelled with a tumor selective tetrabranched peptide for in vivo imaging

open access: yesJournal of Nanobiotechnology, 2018
Background Near-infrared quantum dots (NIR QDs) are a new class of fluorescent labels with excellent bioimaging features, such as high fluorescence intensity, good fluorescence stability, sufficient electron density, and strong tissue-penetrating ability.
Jlenia Brunetti   +11 more
doaj   +1 more source

Green light emitting hydrophilic CdTe quantum dots with magic size signature

open access: yesNext Materials
Synthesis of highly stable green light emitting CdTe quantum dots in aq. medium is discussed. The absorption spectroscopy revealed formation of dots of the size about 4 nm.
Priyanka Phalswal   +4 more
doaj   +1 more source

Enhanced glutathione content allows the in vivo synthesis of fluorescent CdTe nanoparticles by Escherichia coli. [PDF]

open access: yesPLoS ONE, 2012
The vast application of fluorescent semiconductor nanoparticles (NPs) or quantum dots (QDs) has prompted the development of new, cheap and safer methods that allow generating QDs with improved biocompatibility.
Juan P Monrás   +7 more
doaj   +1 more source

Modification of QDs with MPA.

open access: yes, 2015
(a) Zeta potential of MPA-QDs and QDs. The QDs surface had no charge, but this surface became negative after modification with MPA; (b) Gel electrophoresis of MPA-QDs and QDs in the presence of an electric field.
Ye Jin (286793)   +7 more
core   +1 more source

Improving the thermal resistance of fluorescent CsPb(Br,I)3 perovskite quantum dots by surface modification with perfluorodecanoic acid

open access: yesRoyal Society Open Science, 2022
CsPb(Br,I)3 quantum dots (QDs) show application potential for optoelectronic devices. However, their thermal degradation is a significant problem. In this work, the effects of perfluorodecanoic acid (PFDA) modification on the photoluminescence (PL) and ...
Yoshiki Iso   +4 more
doaj   +1 more source

Photomicrographical images of NIH 3T3 cells treated with quantum dots (QDs)-tagged retroviruses

open access: yes, 2011
(a) and (b) were images taken under bright-field and fluorescent microscopy, respectively, after 24 hours of retroviral transduction. In (c), white circles indicate that QDs along with virus were endocytosed into cellular domain and white arrows indicate
Yu-Chuan Liu (49626)   +4 more
core   +1 more source

Characterization of CPV-VLPs-QDs complex.

open access: yes, 2015
(a) Absorbance spectrum of CPV-VLPs-QDs complex. (b) Particle size of CPV-VLPs-QDs complex using a nano sizer; (c) MPA-QDs (blue line) are approximately 5 nm in diameter; the CPV-VLPs (green line) are approximately 20 nm in diameter; the CPV-VLPs-QDs ...
Ye Jin (286793)   +7 more
core   +1 more source

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