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Cancan Li et al.
Materials (Basel, Switzerland), 12(11) (2019-06-05)
Adsorption and diffusion of water vapor in phosphonium ionic liquid modified silica gel were studied, aiming to reduce the loading of water vapor in porous materials. The modified silica gel was prepared through a grafting method and characterized by FTIR
Nicholas C Anderson et al.
Journal of the American Chemical Society, 140(23), 7199-7205 (2018-05-11)
Using 31P nuclear magnetic resonance (NMR) spectroscopy, we monitor the competition between tri- n-butylphosphine (Bu3P) and various amine and phosphine ligands for the surface of chloride terminated CdSe nanocrystals. Distinct 31P NMR signals for free and bound phosphine ligands allow
Mrinmoy Roy et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 25(42), 9892-9901 (2019-03-15)
Herein a newly discovered non-polar solvent based synthesis of MAPbX3 hybrid perovskite nanoparticles (NPs) is presented, where MA=Methylammonium and X=I, Br and Cl, as well as their mixed halide counterparts. The methodology proposed is simple and uses low-cost commercial precursors.
Nikolay S Makarov et al.
ACS nano, 10(12), 10829-10841 (2016-12-13)
One source of efficiency losses in photovoltaic cells is their transparency toward solar photons with energies below the band gap of the absorbing layer. This loss can be reduced using a process of up-conversion whereby two or more sub-band-gap photons
Sachidananda Krishnamurthy et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 15(10), 2129-2135 (2014-03-20)
Excited-state interaction between CdSe quantum dots (QDs) of different sizes (2.3, 3.2, and 4.2 nm diameter) and graphene oxide (GO) was probed by depositing them as films on conducting glass electrodes. The emission of smaller CdSe QDs (2.3 nm) was
Jun Rao et al.
Cancer letters, 358(1), 76-84 (2014-12-23)
Tumor cell stemness has been recognized as a key contributor to tumor initiation, progression and recurrence. Our previous studies have found that semaphorin-3F (SEMA3F), an axon guidance molecule in the development of central nervous system, inhibited the growth and metastasis
Haochen Sun et al.
ACS nano, 13(6), 6982-6991 (2019-05-29)
CdS and CdSe shells are deposited on wurtzite CdTe quantum platelets (nanoplatelets) by exchanging the initial primary-amine ligation to Cd(OAc)2 ligation, with subsequent reaction of the Cd(OAc)2 ligand shell and thiourea or selenourea, respectively. Shell deposition is conducted in a
S Xu et al.
Oncogene, 34(12), 1520-1531 (2014-04-15)
Colorectal tumor-initiating cells (CT-ICs) have self-renewal capabilities and have an important role in tumorigenesis, metastasis, recurrence and treatment resistance in colorectal cancer. Multiple cell-surface molecules targeting CT-ICs, possibly representing different CT-IC subpopulations, have been reported. However, whether new surface markers
Sung-Duk Oh et al.
Analytical biochemistry, 483, 54-61 (2015-05-13)
In this study, we developed a CdSe/ZnS quantum dot (QD)-based immunoassay for use in determining the presence of progesterone (P4) in human serum. Hydrophilic QDs were conjugated to anti-progesterone antibody (P4Ab) via ethyl-3-(dimethylaminopropyl)carbodiimide (EDC) and N-hydroxysuccinimide (NHS) as coupling reagents.
Mario Menéndez-Miranda et al.
Journal of chromatography. A, 1422, 247-252 (2015-10-24)
Hyphenation of asymmetric flow field-flow fractionation (AF4) to an on-line elemental detection (inductively coupled plasma-mass spectrometry, ICP-MS) is proposed as a powerful diagnostic tool for quantum dots bioconjugation studies. In particular, conjugation effectiveness between a "model" monoclonal IgG antibody (Ab)
Xinde Chen et al.
Journal of medicinal chemistry, 58(21), 8529-8541 (2015-10-20)
Inhibition of lipoprotein-associated phospholipase A2 (Lp-PLA2) has been suggested to be a promising therapeutic strategy for several inflammation-associated diseases, including atherosclerosis, Alzheimer's disease, and diabetic macular edema. Herein, we report the discovery of a novel series of Lp-PLA2 inhibitors constructed
Andriy Yakymovych et al.
Applied nanoscience, 9(5), 1119-1125 (2019-08-14)
The effect of monodisperse bimetallic CoPd NP admixtures on the electrical conductivity of liquid magnesium was studied. Temperature dependence of the electrical conductivity of liquid Mg98(CoPd)2, Mg96(CoPd)4, and Mg92(CoPd)8 alloys was measured in a wide temperature range above the melting
Andreas Spinnrock et al.
Nanomaterials (Basel, Switzerland), 9(7) (2019-07-22)
Nanoparticle gradient materials combine a concentration gradient of nanoparticles with a macroscopic matrix. This way, specific properties of nanoscale matter can be transferred to bulk materials. These materials have great potential for applications in optics, electronics, and sensors. However, it
Glenn W Guglietta et al.
ACS nano, 9(2), 1820-1828 (2015-02-04)
Colloidal semiconductor nanocrystals have been used as building blocks for electronic and optoelectronic devices ranging from field-effect transistors to solar cells. Properties of the nanocrystal films depend sensitively on the choice of capping ligand to replace the insulating synthesis ligands.
Taeyjuana Y Lyons et al.
Langmuir : the ACS journal of surfaces and colloids, 33(12), 3018-3027 (2017-03-01)
The increasing commercialization of consumer electronic products that make use of II-VI semiconductor quantum dots (QDs) has raised significant concerns about their impact on natural systems and human health once they are released into the environment at the end of
Trioctylphosphine as both solvent and stabilizer to synthesize CdS nanorods.
Chen S, et al.
Nanoscale Research Letters, 4(10), 1159-1159 (2009)
Davit Jishkariani et al.
ACS nano, 13(5), 5712-5719 (2019-05-06)
Substitutional doping is a potentially powerful technique to control the properties of nanocrystal (NC) superlattices (SLs). However, not every NC can be substituted into any lattice, as the NCs have to be close in size and shape, limiting the application
Padmanabhan P Pattabiraman et al.
The American journal of pathology, 185(2), 496-512 (2014-12-17)
Ocular hypertension arising from increased resistance to aqueous humor (AH) outflow through the trabecular meshwork is a primary risk factor for open-angle glaucoma, a leading cause of blindness. Ongoing efforts have found little about the molecular and cellular bases of
Joonhyuck Park et al.
ACS nano, 14(9), 11579-11593 (2020-08-14)
A heat-up method for quantum dots (QDs) synthesis holds distinctive benefits for large-scale production with its simplicity, scalability, and high reproducibility. Its applications, however, have been limited because it inevitably yields a strong overlap between the nucleation and the growth
Ward van der Stam et al.
ACS nano, 9(11), 11430-11438 (2015-10-10)
The direct synthesis of heteronanocrystals (HNCs) combining different ternary semiconductors is challenging and has not yet been successful. Here, we report a sequential topotactic cation exchange (CE) pathway that yields CuInSe2/CuInS2 dot core/rod shell nanorods with near-infrared luminescence. In our
E Ortmann et al.
Journal of thrombosis and haemostasis : JTH, 13(7), 1207-1216 (2015-04-24)
Viscoelastic point-of-care tests such as thromboelastography (TEG) and rotational thromboelastometry (ROTEM) are increasingly used to guide hemostatic therapy after cardiac surgery. The aim of this study was to assess their clinical utility during cardiopulmonary bypass to predict postbypass coagulation status
Natalia V Beloglazova et al.
Methods (San Diego, Calif.), 116, 141-148 (2017-01-28)
A sensitive tool for simultaneous qualitative detection of two mycotoxins based on use of non-cadmium quantum dots (QDs) is presented for the first time. QDs have proven themselves as promising fluorescent labels for biolabeling and chemical analysis. With an increasing
Leah Elizabeth Page et al.
The Analyst, 141(22), 6251-6258 (2016-11-01)
A quantum dot-based ratiometrically responsive fluorescent sensor for unlabeled single-stranded DNA (ssDNA) is reported. Several technical issues concerning the development of high yield ssDNA-QD conjugation chemistry were addressed. The DNA sensor was synthesized by conjugating methacrylic phosphoramidite-functional oligonucleotides to water-soluble
Dániel Zámbó et al.
Small (Weinheim an der Bergstrasse, Germany), 16(16), e1906934-e1906934 (2020-03-13)
3D nanoparticle assemblies offer a unique platform to enhance and extend the functionality and optical/electrical properties of individual nanoparticles. Especially, a self-supported, voluminous, and porous macroscopic material built up from interconnected semiconductor nanoparticles provides new possibilities in the field of
Silvia Dante et al.
ACS nano, 11(7), 6630-6640 (2017-06-09)
Nanoparticles (NPs) are increasingly used in biomedical applications, but the factors that influence their interactions with living cells need to be elucidated. Here, we reveal the role of NP surface charge in determining their neuronal interactions and electrical responses. We
Kim De Nolf et al.
Journal of the American Chemical Society, 137(7), 2495-2505 (2015-01-30)
We investigate the relation between the chain length of ligands used and the size of the nanocrystals formed in the hot injection synthesis. With two different CdSe nanocrystal syntheses, we consistently find that longer chain carboxylic acids result in smaller
Bjoern Traenkle et al.
Molecular & cellular proteomics : MCP, 14(3), 707-723 (2015-01-18)
β-catenin is the key component of the canonical Wnt pathway and plays a crucial role in a multitude of developmental and homeostatic processes. The different tasks of β-catenin are orchestrated by its subcellular localization and participation in multiprotein complexes. To
Tonye Telema Wokoma et al.
The journal of family planning and reproductive health care, 41(3), 186-192 (2014-06-12)
To determine the main reasons for termination of pregnancy (TOP) requests in a UK city. A survey requesting reasons for a pregnancy termination from women attending a TOP clinic. A TOP pre-assessment clinic in Hull and East Yorkshire Hospitals, UK.
Jun Chen et al.
Journal of nanobiotechnology, 13, 76-76 (2015-10-30)
X-ray computed tomography (CT) imaging can be used to reveal the three-dimensional structure of deep tissue with high spatial resolution. However, it cannot reveal molecular or cellular changes, and has great limitations in terms of specificity and sensitivity. Fluorescence imaging
Sophie Carenco et al.
Small (Weinheim an der Bergstrasse, Germany), 11(25), 3045-3053 (2015-03-03)
Bimetallic nanoparticle (NP) catalysts are interesting for the development of selective catalysts in reactions such as the reduction of CO2 by H2 to form hydrocarbons. Here the synthesis of Ni-Co NPs is studied, and the morphological and structural changes resulting
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