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Li He et al.
Talanta, 146, 209-215 (2015-12-24)
In this study, double shelled NIR CdSeTe/CdS/C quantum dots (QDs) were synthesized by a liquid phase method. The as-prepared QDs showed low cytotoxicity and good biocompatibility due to the formation of carbon shell. The imaging of targeted Human cervical carcinoma
Ana Sofia Miguel et al.
Methods in molecular biology (Clifton, N.J.), 906, 143-155 (2012-07-14)
Detailed protocols for the preparation of CdSe nanocrystals coated with a multishell structure of ZnS and their surface modification based on the successive ion layer adsorption and reaction method are described. The first phase of the synthesis produces a hydrophobic
Hyein Yoo et al.
Nanoscale, 7(30), 12860-12867 (2015-07-15)
Although the quantum efficiencies of quantum dots (QDs) are approaching unity through advances in the synthesis of QD materials, their luminescence efficiencies after mixing with resin and thermal curing for white light-emitting diodes (LEDs) are seriously lowered because of aggregation
Sasmita Mohapatra et al.
The Analyst, 140(4), 1221-1228 (2014-12-30)
A nitrogen and sulphur co-doped carbon dot (NSCD) based highly selective photoluminescent probe for mercury detection has been designed. The NSCDs with a PL quantum yield of 69% are easily prepared from a single polymeric molecular precursor. The turn on-off
Ricardo Q Aucélio et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 100, 155-160 (2012-05-18)
3MPA-CdTe QDs in aqueous dispersion was used as a fluorescent probe for the determination of lapachol, a natural naphthoquinone found in plants of the Bignoniaceae family genus Tabebuia. Working QDs dispersions (4.5×10(-8) mol L(-1) of QDs) was prepared in aqueous
Hui Zhang et al.
Chemical communications (Cambridge, England), 48(4), 567-569 (2012-01-19)
Water-soluble fluorescent copper, silver and gold nanoclusters with quantum yields of 2.2, 6.8 and 5.3%, respectively, are prepared by a robust photoreduction of their inorganic precursors in the presence of poly (methacrylic acid) functionalized with pentaerythritol tetrakis 3-mercaptopropionate.
Studies on the adsorption of chromium (VI) onto 3-mercaptopropionic acid coated superparamagnetic iron oxide nanoparticles.
Burks T, et al.
Journal of Colloid and Interface Science, 425, 36-43 (2014)
Sujeet K Mishra et al.
Bioelectrochemistry (Amsterdam, Netherlands), 88, 118-126 (2012-08-28)
3-Mercaptopropionic acid (MPA) capped ZnS nanocrystals (ZnS(MPA)) are covalently attached to a self assembled monolayer (SAM) of 3-aminopropyltriethoxysilane (APTES) on an indium-tin-oxide (ITO) coated glass plate. The protein antibody, anti-myoglobin (Ab-Mb), is covalently linked to free carboxyl groups present on
Sangheon Lee et al.
Scientific reports, 5, 17472-17472 (2015-12-08)
Semiconductor sensitized solar cells, a promising candidate for next-generation photovoltaics, have seen notable progress using 0-D quantum dots as light harvesting materials. Integration of higher-dimensional nanostructures and their multi-composition variants into sensitized solar cells is, however, still not fully investigated
Qiangyu Qian et al.
Polymers, 11(2) (2019-04-10)
Giant surfactants refer to a new kind of amphiphile by incorporating functional molecular nanoparticles with polymer tails. As a size-amplified counterpart of small-molecule surfactants, they serve to bridge the gap between small-molecule surfactants and amphiphilic block copolymers. This work reports
Mahdi Shahmiri et al.
Scientific reports, 5, 16378-16378 (2015-11-18)
Aurein 1.2 is a 13 residue antimicrobial peptide secreted by the Australian tree frog Litoria Aurea. It is a surface-acting membrane disrupting peptide that permeabilizes bacterial membranes via the carpet mechanism; the molecular details of this process are mostly unknown.
A Bacchi et al.
Journal of dental research, 93(12), 1320-1325 (2014-09-25)
This study aims at modifying dual-cure composite cements by adding thio-urethane oligomers to improve mechanical properties, especially fracture toughness, and reduce polymerization stress. Thiol-functionalized oligomers were synthesized by combining 1,3-bis(1-isocyanato-1-methylethyl)benzene with trimethylol-tris-3-mercaptopropionate, at 1:2 isocyanate:thiol. Oligomer was added at 0
Ting-Ting Gan et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 99, 62-68 (2012-10-09)
Mercaptopropionic acid (MPA) capped CdTe quantum dots (QDs) with particle size 3 nm have been successfully synthesized in aqueous medium by hydrothermal synthesis method. And the effects of different metal ions on MPA capped CdTe QDs fluorescence were studied using
Lenore Kubie et al.
ACS nano, 11(8), 8471-8477 (2017-07-29)
We report the synthesis of ultrathin silver sulfide (Ag
Ajay Kumar Yagati et al.
Bioelectrochemistry (Amsterdam, Netherlands), 107, 37-44 (2015-11-03)
For label-free and direct detection of C-reactive protein (CRP), an impedimetric sensor based on an indium tin oxide (ITO) electrode array functionalized with reduced graphene oxide-nanoparticle (rGO-NP) hybrid was fabricated and evaluated. Analytical measurements were performed to examine the properties
Juan Zhang et al.
The Analyst, 140(16), 5716-5723 (2015-07-15)
Inhibitors of protein tyrosine phosphatase 1B (PTP1B) are promising agents for the treatment of type 2 diabetes and obesity, so a colorimetric method has been developed in this work for PTP1B assay and screening of its inhibitors. The method is
Zhaoqiang Ding et al.
Materials science & engineering. C, Materials for biological applications, 48, 469-479 (2015-01-13)
A novel molecularly imprinted optosensing material based on multi-walled carbon nanotube-quantum dots (MWCNT-QDs) has been designed and synthesized for its high selectivity, sensitivity and specificity in the recognition of a target protein bovine serum albumin (BSA). Molecularly imprinted polymer coated
Iris Boll et al.
Bioorganic & medicinal chemistry letters, 15(3), 505-509 (2005-01-25)
Selectivity of the cleavage of single stranded over hybridized forms of internally modified disulfide-peptide nucleic acids (PNA) has been optimized using a series of phosphines and thiols, which have different sizes and charges. For the most selective cleaver found (tris-(carboxyethyl)-phosphine)
Xingxing Chuan et al.
Molecular pharmaceutics, 11(10), 3656-3670 (2014-09-11)
To address the obstacles facing cancer chemotherapeutics, including toxicity, side effects, water insolubility, and lack of tumor selectivity, a novel stimuli-responsive drug-delivery system was developed based on paclitaxel-loaded poly(ethylene glycol)-disulfide-paclitaxel conjugate nanoparticles (PEG-SS-PTX/PTX NPs). The formulation emphasizes several benefits, including
Lucia García-Lara et al.
Journal of neuroscience research, 93(9), 1423-1433 (2015-05-28)
L-kynurenine (Kyn) is a key element of tryptophan metabolism; it is enzymatically converted by kynurenine aminotransferase II (KAT II) to kynurenic acid (KYNA), which acts as an antagonist to the NMDA receptor-glycine site. Kyn is also an endogenous ligand of
Alberto Maulu et al.
Nanomaterials (Basel, Switzerland), 8(9) (2018-09-12)
Control of quantum-dot (QD) surface chemistry offers a direct approach for the tuning of charge-carrier dynamics in photoconductors based on strongly coupled QD solids. We investigate the effects of altering the surface chemistry of PbS QDs in such QD solids
Wei Wang et al.
Journal of neuroscience research, 90(6), 1218-1229 (2012-02-23)
Serine racemase (SR) is the only identified enzyme in mammals responsible for isomerization of L-serine to D-serine, a coagonist at N-methyl-D-aspartate (NMDA) receptors in the forebrain. Our previous data showed that an apparent SR dimer resistant to sodium dodecyl sulfate
Yongzhen Xia et al.
Applied and environmental microbiology, 78(9), 3286-3297 (2012-02-22)
Advenella mimigardefordensis strain DPN7(T) was genetically modified to produce poly(3-mercaptopropionic acid) (PMP) homopolymer by exploiting the recently unraveled process of 3,3'-dithiodipropionic acid (DTDP) catabolism. Production was achieved by systematically engineering the metabolism of this strain as follows: (i) deletion of
Pedrosa, V. A.; Caetano, J.; Machado, S. A. S.; Freire, R. S.; Bertotti, M.
Electroanalysis, 19, 1415-1420 (2007)
Didem Cetin et al.
Colloids and surfaces. B, Biointerfaces, 188, 110808-110808 (2020-01-29)
Detection of circulating tumor cells (CTCs) from the bloodstream holds great importance to diagnose cancer at early stages. However, CTCs being extremely rare in blood makes them difficult to reach. In this paper, we introduced different surface modification techniques for
Sourav Majumdar et al.
International journal of biological macromolecules, 79, 477-489 (2015-05-13)
Fibrin(ogen)olytic enzymes offer great promise for the treatment of thrombosis associated disorders. The present study describes the characterization of an extracellular fibrin(ogen)olytic serine protease (named Bacethrombase) purified from the Bacillus cereus strain FF01. The molecular mass of the Bacethrombase was
Deng Pan et al.
Journal of AOAC International, 98(5), 1260-1266 (2015-11-04)
Cyclic voltammetry and differential pulse voltammetry were used to investigate the electrochemical behavior of uric acid (UA) at a CdTe quantum dot (QD) modified the glassy carbon electrode (GCE). CdTe QDs, as new semiconductor nanocrystals, can greatly improve the peak
Shigeki Sasaki et al.
Current protocols in nucleic acid chemistry, Chapter 4, Unit 4-Unit 4 (2012-03-08)
Chemically modified oligonucleotides play a significant role for genomic research. Modified nucleosides, such as with a fluorescent dye, can be obtained by chemical synthesis. Site-specifically modified long nucleic acids are obtained by ligation of chemically modified short oligonucleotides with enzyme
Marieta Constantin et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 62, 86-95 (2014-05-23)
A dual drug delivery system based on a "biosensor" (pH-sensitive unit) and a delivery component (thermosensitive hydrogel) was developed. The pH/thermosensitive hydrogel is able to restore the thermosensitive characteristics after electrostatic interaction of the pH-sensitive units with selected biologically active
Hunter Cuchiaro et al.
Journal of agricultural and food chemistry, 67(19), 5672-5679 (2019-04-25)
The analysis of protein in algal biomass is one of the most critical areas of commercial development of algae characterization for nutritional or other high value applications. A new rapid and accurate method is required that can be widely implemented
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