Electronic processes within quantum dot-molecule complexes

RD Harris, S Bettis Homan, M Kodaimati, C He… - Chemical …, 2016 - ACS Publications
The subject of this review is the colloidal quantum dot (QD) and specifically the interaction of
the QD with proximate molecules. It covers various functions of these molecules, including (i) …

Controlling the spectroscopic properties of quantum dots via energy transfer and charge transfer interactions: Concepts and applications

X Ji, W Wang, H Mattoussi - Nano Today, 2016 - Elsevier
Luminescent quantum dots (QDs) exhibit size-and composition-tunable photophysical
properties that are not shared by their bulk parent materials or at the molecular scale. They …

Evaluating the catalytic efficiency of the human membrane-type 1 matrix metalloproteinase (MMP-14) using AuNP–peptide conjugates

Z Jin, N Dridi, G Palui, V Palomo… - Journal of the …, 2023 - ACS Publications
Interactions of plasmonic nanocolloids such as gold nanoparticles and nanorods with
proximal dye emitters result in efficient quenching of the dye photoluminescence (PL). This …

Quantum dot–peptide conjugates as energy transfer probes for sensing the proteolytic activity of matrix metalloproteinase-14

Z Jin, N Dridi, G Palui, V Palomo, JV Jokerst… - Analytical …, 2023 - ACS Publications
We detail the assembly and characterization of quantum dot (QD)− dye conjugates
constructed using a peptide bridge specifically designed to recognize and interact with a …

A multifunctional polymer combining the imidazole and zwitterion motifs as a biocompatible compact coating for quantum dots

W Wang, X Ji, A Kapur, C Zhang… - Journal of the American …, 2015 - ACS Publications
We introduce a set of multicoordinating imidazole-and zwitterion-based ligands suited for
surface functionalization of quantum dots (QDs). The polymeric ligands are built using a one …

Adaptive insertion of a hydrophobic anchor into a poly (ethylene glycol) host for programmable surface functionalization

S Zhang, W Li, J Luan, A Srivastava, V Carnevale… - Nature …, 2023 - nature.com
Covalent and non-covalent molecular binding are two strategies to tailor surface properties
and functions. However, the lack of responsiveness and requirement for specific binding …

Unravelling the surface-state assisted ultrafast charge transfer dynamics of graphene quantum dot-based nanohybrids via transient absorption spectroscopy

D Sebastian, A Pallikkara, H Bhatt… - The Journal of …, 2022 - ACS Publications
Graphene quantum dots-based nanohybrids (GQD NHs) are considered to be a promising
candidate for optoelectronic devices due to their tunable light absorption and pronounced …

Multifunctional and high affinity polymer ligand that provides bio-orthogonal coating of quantum dots

W Wang, A Kapur, X Ji, B Zeng, D Mishra… - Bioconjugate …, 2016 - ACS Publications
We detail the design of hydrophilic metal-coordinating ligands and their use for the effective
coating of luminescent quantum dots (QDs). The ligand design exploits the specific, reagent …

Characterizing the Brownian diffusion of Nanocolloids and molecular solutions: diffusion-ordered NMR spectroscopy vs dynamic light scattering

C Zhang, Z Jin, B Zeng, W Wang, G Palui… - The Journal of …, 2020 - ACS Publications
Hydrodynamic size is a characteristic dimension that reflects the Brownian diffusion of
objects, such as proteins, macromolecules, and various colloids when dissolved/dispersed …

Bio-orthogonal coupling as a means of quantifying the ligand density on hydrophilic quantum dots

N Zhan, G Palui, JP Merkl… - Journal of the American …, 2016 - ACS Publications
We describe the synthesis of two metal-coordinating ligands that present one or two lipoic
acid (LA) anchors, a hydrophilic polyethylene glycol (PEG) segment and a terminal reactive …