Results 11 to 20 of about 14,659 (232)

Engineering quantum dot surfaces to preserve protein-DNA interactions for single-molecule visualization [PDF]

open access: yesNano Convergence
Quantum dots (QDs) are fluorescent nanoparticles widely used for single-molecule imaging because of their exceptional brightness and photostability. However, the impact of QD surface chemistry on biomolecular interactions has not been systematically ...
Youngseo Kim   +7 more
doaj   +2 more sources

Photoresist-guided indirect photopatterning of quantum dots via carbene-mediated ligand thermocrosslinking [PDF]

open access: yesNature Communications
Colloidal quantum dots (QDs) are leading candidates for next-generation optoelectronics owing to their tuneable bandgaps, narrow emission linewidths, and high luminescence quantum yields.
Hyeokjun Kim   +19 more
doaj   +2 more sources

Ligand Influence on CuInS2 Quantum Dot Photoconductive Films [PDF]

open access: yesNanomaterials
In this work, we investigate the effect of ligand chemistry on the optical and electrical properties of copper indium disulphide (CuInS2) quantum dots (QDs) and evaluate their suitability for photodetection with simple device structures.
Yizun Wang   +2 more
doaj   +2 more sources

Advancing Bioconjugated Quantum Dots with Click Chemistry and Artificial Intelligence to Image and Treat Glioblastoma [PDF]

open access: yesCells
Glioblastoma (GB) is one of the most aggressive and invasive cancers. Current treatment protocols for GB include surgical resection, radiotherapy, and chemotherapy with temozolomide.
Pranav Kalaga, Swapan K. Ray
doaj   +2 more sources

Overview of Stabilizing Ligands for Biocompatible Quantum Dot Nanocrystals

open access: yesSensors, 2011
Luminescent colloidal quantum dots (QDs) possess numerous advantages as fluorophores in biological applications. However, a principal challenge is how to retain the desirable optical properties of quantum dots in aqueous media while maintaining ...
Aaron Clapp, Yanjie Zhang
doaj   +1 more source

Assessing the influence of microwave-assisted synthesis parameters and stabilizing ligands on the optical properties of AIS/ZnS quantum dots

open access: yesScientific Reports, 2022
Luminescent semiconductor quantum dots (QDs) are frequently used in the life and material sciences as reporter for bioimaging studies and as active components in devices such as displays, light-emitting diodes, solar cells, and sensors.
Lorena Dhamo   +5 more
doaj   +1 more source

X‐Functionality–Driven Photocatalytic Hydrogen Evolution in 2D 4‐X‐PEA2SnI4 Perovskites

open access: yesAdvanced Functional Materials, EarlyView.
We report a water‐based synthesis of 2D 4‐X‐PEA2SnI4 perovskite microcrystals with prominent photocatalytic (PC) activity for H2 production. The synergy between organic functionalization and HI‐derived iodide scavenges holes suppress octahedral distortion, and favor electron accumulation, enabling a PC H2 evolution ∼20 µmol·g−1 and long‐term stability ...
Taeyeon Kim   +21 more
wiley   +1 more source

Prospects for the use of nanoparticles (quantum dots) in ophthalmology

open access: yesОфтальмохирургия
Purpose. A systematic analysis of domestic and foreign literature devoted to the potential use of quantum dots (QD) in ophthalmology, as well as the identification of the main problems regarding the implementation of QD in ophthalmic practice.
V.O. Ponomarev, K.A. Tkachenko
doaj   +1 more source

Preparation of “Ion-Imprinting” Difunctional Magnetic Fluorescent Nanohybrid and Its Application to Detect Cadmium Ions

open access: yesSensors, 2020
In this work, we have fabricated a novel difunctional magnetic fluorescent nanohybrid (DMFN) for the determination of cadmium ions (Cd2+) in water samples, where the “off-on” model and “ion-imprinting” technique were incorporated ...
Lina Chen   +10 more
doaj   +1 more source

Room‐Temperature Synthesis of Strongly Confined Lead Halide Perovskite Quantum Dots

open access: yesAdvanced Functional Materials, EarlyView.
CsPbX3${\rm CsPbX}_3$ lead halide perovskite quantum dots (QDs) are synthesized in a room‐temperature, five‐minute synthesis, yielding size‐controlled QDs with bright, tunable emission governed by reaction conditions and halide composition. A strongly binding ligand, OD‐PEA, ensures months‐long stability under ambient conditions and facilitates their ...
Anna Abfalterer   +13 more
wiley   +1 more source

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