Dynamic light scattering biosensing based on analyte-induced inhibition of nanoparticle aggregation
Sign Up to like & getrecommendations! Published in 2020 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-020-02605-9
Abstract: A new approach to direct quantitative detection of small molecules (haptens) by dynamic light scattering biosensing is presented. The proposed technique implements a homogeneous competitive immunoassay and is based on optical detection of specific inhibition… read more here.
Keywords: inhibition nanoparticle; scattering biosensing; nanoparticle aggregation; light scattering ... See more keywords
Thermoresponsive behavior of poly(DEGMA)-based copolymers. NMR and dynamic light scattering study of aqueous solutions
Sign Up to like & getrecommendations! Published in 2020 at "European Polymer Journal"
DOI: 10.1016/j.eurpolymj.2020.109488
Abstract: Abstract We studied temperature behavior of diblock copolymers of poly[2-(2-methoxyethoxy)ethyl methacrylate] (PDEGMA) with poly(N-(2-hydroxypropyl)methacrylamide and a statistical copolymer PDEGMA-co-N-propargylmethacrylamide in aqueous solutions. NMR spectra and dynamic light scattering showed that the copolymers exhibit a reversible… read more here.
Keywords: aqueous solutions; poly; light scattering; behavior ... See more keywords
Aggregation behavior of pluronic F127 solutions in presence of chitosan/clay nanocomposites examined by dynamic light scattering.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2019.02.031
Abstract: HYPOTHESIS Although several researches have explored the dynamics of pluronic aqueous solutions under different conditions, little is known about the dynamical properties of pluronic copolymers in presence of nanoparticles. Knowing and understanding the fundamental dynamical… read more here.
Keywords: pluronic f127; presence; chitosan clay; solutions presence ... See more keywords
Filtering-Tikhonov regularization inversion for dynamic light scattering data with strong noise
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.08.078
Abstract: Abstract The Tikhonov regularization is an effective method used for dynamic light scattering (DLS) data inversion. However, its inversion accuracy is low for the strong noise data. Based on filtering and Tikhonov regularization technology, we… read more here.
Keywords: filtering tikhonov; inversion; light scattering; dynamic light ... See more keywords
Two-dimensional self-adapting fast Fourier transform algorithm for nanoparticle sizing by ultrafast image-based dynamic light scattering
Sign Up to like & getrecommendations! Published in 2018 at "Particuology"
DOI: 10.1016/j.partic.2017.10.013
Abstract: Abstract In nanoparticle sizing using the ultrafast image-based dynamic light scattering (UIDLS) method, larger impurities and dark noise from the complementary metal-oxide-semiconductor (CMOS) detector affect measurement accuracy. To solve this problem, a two-dimensional self-adapting fast… read more here.
Keywords: dark noise; fast fourier; self adapting; fourier transform ... See more keywords
Polymerase Chain Reaction-Dynamic Light Scattering Sensor for DNA and Protein by Using Both Replication and Cleavage Properties of Taq Polymerase.
Sign Up to like & getrecommendations! Published in 2019 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.8b04929
Abstract: The incorporation of AuNPs into polymerase chain reaction (PCR) has become a promising strategy to develop sensitive sensing platforms, due to desirable optical properties of AuNPs and the exponential amplification power of PCR. However, the… read more here.
Keywords: dna; pcr; chain reaction; polymerase ... See more keywords
Biogenic and Synthetic MnO2 Nanoparticles: Size and Growth Probed with Absorption and Raman Spectroscopies and Dynamic Light Scattering.
Sign Up to like & getrecommendations! Published in 2019 at "Environmental science & technology"
DOI: 10.1021/acs.est.8b05806
Abstract: MnO2 nanoparticles, similar to those found in soils and sediments, have been characterized via their UV-visible and Raman spectra, combined with dynamic light scattering and reactivity measurements. Synthetic colloids were prepared by thiosulfate reduction of… read more here.
Keywords: mno2 nanoparticles; size; light scattering; growth ... See more keywords
Aldolase Does Not Show Enhanced Diffusion in Dynamic Light Scattering Experiments.
Sign Up to like & getrecommendations! Published in 2018 at "Nano letters"
DOI: 10.1021/acs.nanolett.8b04240
Abstract: Recent experimental studies have measured a 30-80% increase of the diffusion coefficient when various enzymes, including aldolase, are catalytically active. This observation has been supported by several theoretical explanations; however, other theoretical studies argue against… read more here.
Keywords: diffusion; diffusion coefficient; enhanced diffusion; aldolase show ... See more keywords
Single-particle Dynamic Light Scattering: Shapes of Individual Nanoparticles.
Sign Up to like & getrecommendations! Published in 2019 at "Nano letters"
DOI: 10.1021/acs.nanolett.9b02066
Abstract: Metallic nanoparticles (MNPs) are prevalent in modern nanotechnologies due to their unique optical properties, chemical and photostabilities, and ease of manipulation. In particular, many recent advances have highlighted the importance of fundamentally understanding dynamic reconfiguration… read more here.
Keywords: shapes individual; particle dynamic; particle; light scattering ... See more keywords
Viscoelastic behaviour and relaxation modes of one polyamic acid organogel studied by rheometers and dynamic light scattering.
Sign Up to like & getrecommendations! Published in 2017 at "Soft matter"
DOI: 10.1039/c7sm02185b
Abstract: A novel polyamic acid (PAA from BAPMPO-BPDA) organogel was synthesized and characterized via dynamic light scattering (DLS), a classical rheometer, and diffusion wave spectroscopy (DWS). In situ monitoring was performed using a classical rheometer to… read more here.
Keywords: polyamic acid; paa gel; relaxation modes; gel ... See more keywords
Effective ACE2 peptide-nanoparticle conjugation and its binding with the SARS-Cov-2 RBD quantified by dynamic light scattering.
Sign Up to like & getrecommendations! Published in 2021 at "Chemical communications"
DOI: 10.1039/d1cc02267a
Abstract: The infection of coronavirus initiates with the binding between its spike protein receptor binding domain (RBD) and a human cellular receptor called angiotensin-converting enzyme 2 (ACE2). Here, we construct truncated ACE2 peptide-conjugated gold nanoparticles as… read more here.
Keywords: cov rbd; ace2 peptide; binding sars; rbd ... See more keywords