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Luminescence (1):
Recent article
Luminescence
Abstract
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Orvosi Hetilap (152)26 2011
Abstract
Changes of redox-homeostasis generate cytokines, and free radicals influence many intracellular signaling pathways in different liver diseases. Liophylised table beet and carrot powder (GPS Powder Kft. 1361/004/2003BFÁÉÉÁ) containing bioactive components such as betaine, betanins...
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PMID: 21652297
PDF is available here.
PDF is available here.
Abstract
We visualized the interactions between wild-type Bacillus anthracis and its host during a spore infection through bioluminescence imaging coupled with histology. We show that edema toxin plays a central role in virulence in guinea pigs and during inhalational infection in mice. Edema toxin (ET), but...
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PMID: 21641378
PDF is available here.
PDF is available here.
Abstract
Abstract
Abstract
This work explores the sensitization of luminescent lanthanide Tb(3+) and Eu(3+) cations by the electronic structure of zinc sulfide (ZnS) semiconductor nanoparticles. Excitation spectra collected while monitoring the lanthanide emission bands reveal that the ZnS nanoparticles act as an antenna for t...
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PMID: 21090795
PDF is available here.
PDF is available here.
Abstract
We show that a kinase-inducible bimolecular switch consisting of a substrate for the kinase of interest and a phosphoamino acid binding domain can be designed to sense different kinase activities and coupled to various readouts, thereby allowing for examination of dynamic kinase activity with increa...
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PMID: 21438554
PDF is available here.
PDF is available here.
Abstract
We focus on the epitaxial growth, p-type doping and photoluminescence properties of SnO(2) films and nanostructures, including the achievements in our group. Finally, the applications of SnO(2) nanostructures to optoelectronic devices including heterojunction light emitting devices, photodetectors a...
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PMID: 21428903
PDF is available here.
PDF is available here.
Abstract
We demonstrate a new approach for utilizing CuI coordination complexes as emissive layers in organic light-emitting diodes that involves in situ codeposition of CuI and 3,5-bis(carbazol-9-yl)pyridine (mCPy). With a simple three-layer device structure, pure green electroluminescence at 530 nm from a C...
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PMID: 21366248
PDF is available here.
PDF is available here.
Abstract
These results suggest that both absolute sex steroid hormone levels and the rates at which the levels change may be important in the development of urologic conditions in aging men....
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PMID: 21367876
PDF is available here.
PDF is available here.
Abstract
We also demonstrated that BICU can induce light per se by provoking pigment retraction in the pigmented cells composing the iris-like structure of the photophore, attaining, however, only about 10% of hormonally induced luminescence intensity at 10(-3)mol L(-1). This strongly supports that a GABA in...
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PMID: 21070868
PDF is available here.
PDF is available here.
Abstract
Myosin light-chain kinase-dependent tight junction regulation is a critical event in inflammatory cytokine-induced increases in epithelial paracellular permeability. MLCK is expressed in human intestinal epithelium as two isoforms, long MLCK1 and long MLCK2, and MLCK1 is specifically localized to th...
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PMID: 21301090
PDF is available here.
PDF is available here.
Abstract
We assessed the potential estrogenic activity of shikonin with dual-luciferase reporter assay and bioluminescent measurements, by using transient cotransfection with estrogen dependent plasmid pERE-TK-Luc and internal control plasmid pRL-TK in MCF-7 cells. Estrogenic activity of shikonin, even at hi...
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PMID: 21434578
PDF is available here.
PDF is available here.
Abstract
A comparative H2O2-luminol- and Fe(II)-induced chemiluminescence analysis of extracts of two strains of marine oil oxidizing bacteria Actinetobacter calcoaceticus cultivated either in the presence or absence of oil was carried out. Effects of these extracts on E. coli MG1655 biosensor (pSoxS-lux) wer...
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PMID: 21950119
PDF is available here.
PDF is available here.
Abstract
We here report the results of our investigations carried out on verbascoside, a phenylpropanoid glycoside known for its antioxidant, anti-inflammatory and photoprotective actions. Verbascoside was obtained from Buddleia davidii meristematic cells, obtained in turn using a sustainable biotechnology pl...
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PMID: 21852765
PDF is available here.
PDF is available here.
Abstract
These results suggest that acute exposure to DON induced a temporary recruitment of neutrophils in the peripheral blood by IL-8 and subsequent activation of the bactericidal function, and a transient increase of proinflammatory cytokines and acute-phase proteins, indicating the immunomodulatory effe...
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PMID: 21224530
PDF is available here.
PDF is available here.
Chemical Communications (46)42 2010
Abstract
A new strategy of photoelectrochemical (PEC) analysis with chemiluminescence (CL) of the isoluminol-H(2)O(2)-Co(2+) system as a light source for the determination of physiological thiols in cancer cells was reported for the first time.
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PMID: 20865188
PDF is available here.
PDF is available here.
Abstract
We here present a density functional theory study on the (Py-BTE)(2)Ir(acac) complex to explore the mechanism at the molecular level and to help further design of photochromic iridium(iii) complexes with the desirable properties. The hybrid functional PBE0, with 25% Hartree-Fock exchange, is found t...
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PMID: 20877839
PDF is available here.
PDF is available here.
Analyst (Cambridge UK) (135)11 2010
Abstract
Using an aqueous two-phase system comprised of dextran and polyethylene glycol, this article describes the stable spatial patterning of sub-microlitre droplets of bacterial suspensions. Microdroplets of different types of bacterial populations are positioned and maintained adjacent to each other wit...
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PMID: 20838666
PDF is available here.
PDF is available here.
Analyst (Cambridge UK) (135)11 2010
Abstract
The long-lived room temperature (RT) intra-ligand phosphorescence ((3)IL) of dbbpy Pt(II) bis(acetylide) (dbbpy = 4,4'-di-tert-butyl-2,2'-bipyridine) complexes Pt-1 (λ(em) = 629 nm, τ = 118 μs, quantum yield φ = 17.5%) and Pt-3 (λ(em) = 658 nm, τ = 73.6 μs, φ = 2.1%) (dbbpy = 4,4'-di-tert-bu...
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PMID: 20835478
PDF is available here.
PDF is available here.
Analyst (Cambridge UK) (135)11 2010
Abstract
This work demonstrates for the first time the electrochemiluminescence (ECL) of luminol on a Ti/TiO(2) NT electrode and its analytical application for the detection of pentachlorophenol (PCP). Luminol emits stable and intensive light on the Ti/TiO(2) NT electrode at -0.6 V, and PCP is found to be ab...
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PMID: 20877833
PDF is available here.
PDF is available here.
Chemical Communications (46)38 2010
Abstract
Water-soluble luminescent AuNPs of 1.3 ± 0.3 nm in diameter with a large Stokes shift were facilely synthesized by a new molten matrix sputtering (MMS) method.
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PMID: 20740224
PDF is available here.
PDF is available here.
Abstract
These results suggest that Ca(7)Mg(2)P(6)O(24):Eu(2+),Mn(2+) phosphors could be a promising candidate for UV-converting white light-emitting diodes (LEDs)....
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PMID: 20674474
PDF is available here.
PDF is available here.
Abstract
We find that the equilibrium morphology is characterised by {220} facets, irrespective of the size of the particle, but that the presence of different high energy facets introduced kinetically may significantly influence the zinc blende to amorphous ZnS transformation size, as well as the agglomerat...
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PMID: 20820648
PDF is available here.
PDF is available here.
Journal of Physical Chemistry A: Molecules, Spectroscopy, Kinetics, Environment and General Theory (114)37 2010
Abstract
CdTe quantum dots (QDs) capped with mercaptoacetic acid were applied to the hydrogen peroxide-sodium hydrogen carbonate chemiluminescence (CL) system. The CL emission intensity was significantly enhanced by different sizes of CdTe QDs. Peroxymonocarbonate (HCO(4)(-)) was formed in the reaction of hy...
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PMID: 20738136
PDF is available here.
PDF is available here.
Optics Express (18)20 2010
Abstract
In vivo bioluminescence imaging (BLI) has played a more and more important role in biomedical research of small animals. Bioluminescence tomography (BLT) further translates the BLI optical information into three-dimensional bioluminescent source distribution, which could greatly facilitate applicati...
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PMID: 20940994
PDF is available here.
PDF is available here.
Nanotechnology (21)36 2010
Abstract
The hexagonal rhabdophane-type GdPO(4) hydrate (GdPO(4).nH(2)O) was synthesized via a simple hydrothermal process. The size and morphology of the products can be tunable by adjusting the pH of reaction systems through the addition of aqueous NaOH. The nanorods with a width of 50-100 nm and a length...
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PMID: 20705974
PDF is available here.
PDF is available here.
Abstract
A bromo tricarbonyl rhenium(I) complex with a thiophene-functionalized bis(pyrazolyl) pyridine ligand (L), ReBr(L)(CO)(3) (1), has been synthesized and characterized by variable temperature and COSY 2-D (1)H NMR spectroscopy, single-crystal X-ray diffraction, and photophysical methods. Complex 1 is...
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PMID: 20652183
PDF is available here.
PDF is available here.
Optics Express (18)18 2010
Abstract
These results reveal that high-intensity blue, green, and white upconversion ASE fluorescences, which can be adopted for lighting in minimally invasive photodynamic therapy and minimally invasive surgery, are reasonable to be expected in rare-earth doped NZPGT glass fibers....
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PMID: 20940794
PDF is available here.
PDF is available here.
Optics Express (18)18 2010
Abstract
Subwavelength InGaAs/AlInAs microdisk lasers are demonstrated under continuous-wave optical pumping at a heat-sink temperature of 45 K. A 1.49 µm diameter, 209 nm thick microdisk lases in single-mode at a wavelength of 1.53 µm, which is identified as the whispering-gallery mode with the first radi...
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PMID: 20940820
PDF is available here.
PDF is available here.
Optics Express (18)18 2010
Abstract
We collect emission spectra of two coupled beads, with nearly identical diameters, as spacing between beads is varied. Using these size-matched beads allows us to probe resonance splitting under strong coupling conditions....
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PMID: 20940817
PDF is available here.
PDF is available here.
Abstract
Bioluminescent Resonance Energy Transfer is a naturally occurring phenomenon that can be exploited to explore protein-protein interactions in real-time in intact cells and cellular extracts. It detects energy transferred between a bioluminescent donor enzyme (Renilla luciferase) fusion protein and a...
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PMID: 19763509
PDF is available here.
PDF is available here.
Abstract
Fluorescence molecular imaging/tomography may play an important future role in preclinical research and clinical diagnostics. Time- and frequency-domain fluorescence imaging can acquire more measurement information than the continuous wave (CW) counterpart, improving the image quality of fluorescenc...
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PMID: 20671350
PDF is available here.
PDF is available here.
Abstract
Wild type T4 bacteriophage and recombinant T4 bacteriophages displaying biotin binding peptide (BCCP) and cellulose binding module (CBM) on their heads were immobilized on nano-aluminum fiber-based filter (Disruptor), streptavidin magnetic beads and microcrystalline cellulose, respectively. Infectiv...
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PMID: 20561957
PDF is available here.
PDF is available here.
Applied Optics (49)22 2010
Abstract
We show that a broadband surface plasmon can be excited in a thin metal film. A train of two plasmons can be excited at conditions near the condition of broadband surface plasmon excitation. Also, a method for independent multichannel checks of biochips by wavelength addressing is proposed.
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PMID: 20676187
PDF is available here.
PDF is available here.
Abstract
We report the synthesis, characterization, and photophysical properties of a new class of luminescent cyclometalated iridium(III) polypyridine poly(ethylene glycol) (PEG) complexes [Ir(N--C)(2)(N--N)](PF(6)) (HN--C=Hppy (2-phenylpyridine), N--N=bpy-CONH-PEG1 (bpy=2,2'-bipyridine; 1a), bpy-CONH-PEG3...
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PMID: 20602365
PDF is available here.
PDF is available here.
Abstract
Ruthenium complexes containing 4,7-diphenyl-1,10-phenanthroline disulfonate (bathophenanthroline disulfonate; BPS) ligands, Ru(BPS)(3)(4-), Ru(BPS)(2)(bipy)(2-) and Ru(BPS)(bipy)(2), were compared to tris(2,2'-bipyridine)ruthenium(II) (Ru(bipy)(3)(2+)), including examination of the wavelengths of ma...
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PMID: 20602982
PDF is available here.
PDF is available here.
Abstract
New sensing films have been developed for the detection of molecular oxygen. These films are based on luminescent Ir(III) dyes incorporated either into polystyrene (with and without plasticizer) or metal oxide, nanostructured material. The preparation and characterization of each film have been inve...
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PMID: 20602945
PDF is available here.
PDF is available here.
Abstract
Improvements after calibration were noted in all display types for luminance response and psychophysical evaluations of veiling glare. Minimum luminance, contrast ratios, and display uniformity improvements were noted in two separate display types. The only significant reduction in performance was n...
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PMID: 20566814
PDF is available here.
PDF is available here.
Thrombosis and Haemostasis (104)1 2010
Abstract
The high mortality rate associated with cardiovascular disease is partially due to the lack of proliferative cells in the heart. Without adequate repair following myocardial infarction, progressive dilation can lead to heart failure. Stem cell therapies present one promising option for treating cardi...
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PMID: 20458434
PDF is available here.
PDF is available here.
Abstract
The effects of addition of F(-), Cl(-), Br(-), I(-), NO(3)(-), H(2)PO(4)(-), and OAc(-) on the UV-vis and emission spectra of Ru(II) complex [Ru(bpy)(2)(H(2)iip)](ClO(4))(2) {bpy=2,2'-bipyridyl, H(2)iip=2-indole-3-yl-imidazole[4,5-f][1,10]-phenanthroline} in dimethyl sulfone were studied. The Ru(II)...
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PMID: 20378395
PDF is available here.
PDF is available here.
Abstract
Synthesis of cadmium sulfide (CdS) nanocrystallites has been performed through the microwave (MW) assisted reaction of cadmium acetate with thiourea in N,N-dimethylformamide (DMF) in the presence of two capping agents, 1-butanethiol and 2-mercaptoethanol. Attempts were made to control the size and s...
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PMID: 20362490
PDF is available here.
PDF is available here.
Abstract
Effects of solvent polarity on the photophysical behaviour of meso-tetra-2-chlorophenylporphyrin have been studied by means of steady-state absorption and fluorescence, as well as time-resolved fluorescence techniques. A non-mirror symmetric absorption and emission spectra due to vibronic borrowing...
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PMID: 20371208
PDF is available here.
PDF is available here.
Optics Express (18)12 2010
Abstract
We developed a dual modality BLT prototype system with Micro-computed tomography (MicroCT) registration approach, and improved the quantitative reconstruction algorithm based on adaptive hp finite element method (hp-FEM). Detailed comparisons of source reconstruction between the heterogeneous and ho...
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PMID: 20588440
PDF is available here.
PDF is available here.
Abstract
When a firefly is made to inhale ethyl acetate vapour, a constant glow appears after a few minutes from its abdominal lantern. This control experiment has been performed by a few workers to record the emission spectrum of the firefly. However, a time-resolved experiment performed by us on this conti...
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PMID: 20689174
PDF is available here.
PDF is available here.
Journal of Hypertension (28)6 2010
Abstract
In pool plasmas, mean PRA values ranged from 0.14 +/- 0.08 to 18.9 +/- 4.1 ngAI/ml per h, whereas those of CLIR ranged from 4.2 +/- 1.7 to 436 +/- 47 microU/ml. In control plasmas, mean values of PRA and of CLIR were always within the expected range. Overall, there was a significant correlation betw...
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PMID: 20224432
PDF is available here.
PDF is available here.
Inflammation Research (59)6 2010
Abstract
HA neutralized stress-enhanced ROS synthesis and resulted in the reversing of PG synthesis. These data suggest that HA plays an anabolic effect as an antioxidant....
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PMID: 20013025
PDF is available here.
PDF is available here.
Chemical Communications (46)20 2010
Abstract
Large scale synthesis of uniform self-assembly Fe(3)O(4)@phenol formaldehyde resin (PFR) core-shell nanowires with 80-100 nm in diameter and 20-30 microm in length can be realized by a one-pot hydrothermal process. The optical and magnetic properties of the as-synthesized Fe(3)O(4) nanostructures ha...
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PMID: 20376393
PDF is available here.
PDF is available here.
Nanotechnology (21)20 2010
Abstract
These results suggest that the BL and UV PL bands can be attributed to the defect states in the SiOx shell and at the Si core/SiOx shell interface, respectively, and that the BL band is closely related to the growth process of the NWs....
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PMID: 20413841
PDF is available here.
PDF is available here.
Abstract
In this work, hollow silica microspheres (HSMs), which have hollow interiors and nanoporous shells, were used in the immobilization of enzyme to establish a novel chemiluminescence biosensor. The immobilization behavior of enzyme in HSMs with different pore sizes has been studied. The results reveal...
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PMID: 20185291
PDF is available here.
PDF is available here.
Chemical Communications (46)18 2010
Abstract
Superparamagnetic fluorescent nanocomposites based on doped lanthanide phosphate and magnetite nanoparticles are accessible through a facile one-pot method. The bifunctional nanocomposites adopt a koosh ball structure with both fluorescent and superparamagnetic properties for individual components m...
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PMID: 20424742
PDF is available here.
PDF is available here.
Chemical Communications (46)18 2010
Abstract
A lanthanide complex library including 196 combinations of N-heteroaromatic ligands, luminescent lanthanide centers and amino acid substrates was prepared to develop visible and near-infrared luminescent sensory systems for a series of amino acids.
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PMID: 20358040
PDF is available here.
PDF is available here.
Abstract
Terbium(III), as a good luminescent probe, was developed for the study of the interaction between paraquat and calf thymus DNA (ctDNA) when the binding mode of small molecules to DNA was electrostatic binding. This interaction was further investigated using an ethidium bromide (EB) probe, UV absorpt...
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PMID: 20402507
PDF is available here.
PDF is available here.
Journal of Urology (183)5 2010
Abstract
The new in vivo rat renal cell carcinoma model with luciferase labeled tumor cells allowed us to monitor tumor growth noninvasively and semiquantitatively by bioluminescence imaging. This model system coupled with in vitro screening permits precise evaluation of tumor behavior in intact animals and...
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PMID: 20303523
PDF is available here.
PDF is available here.
Journal of Experimental Biology (213)Pt 10 2010
Abstract
We have found that on the ventral side most of these patches have very transparent scales that enhance, by reflection, the wing coloration when illuminated from the dorsal side. These glass scales furthermore create a strongly polarized iridescence when illuminated by obliquely incident light from t...
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PMID: 20435824
PDF is available here.
PDF is available here.
Abstract
On days 1, 2, and 4 after completion of MPSS administration, there was a decrease in PMN expression of adhesion markers such as CD11b and CD18. There was a decrease in the phagocytotic ability of PMNs on days 1, 2, and 7 after completion of MPSS administration, with a reduction in the oxidative burs...
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PMID: 20433380
PDF is available here.
PDF is available here.
Abstract
Water distribution systems can be vulnerable to microbial contamination through cross-connections, wastewater backflow, the intrusion of soiled water after a loss of pressure resulting from an electricity blackout, natural disaster, or intentional contamination of the system in a bioterrrorism event...
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PMID: 20480769
PDF is available here.
PDF is available here.
Nanotechnology (21)17 2010
Abstract
Multilayer ordered GeSi quantum dots (QDs) with thin Si spacers were obtained via self-assembly on pit-patterned Si(001) substrates. The lateral ordering of GeSi QDs predetermined by the periodic pit pattern results in remarkably improved size uniformity in comparison with random QDs on flat substra...
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PMID: 20357407
PDF is available here.
PDF is available here.
Bioconjugate Chemistry (21)4 2010
Abstract
We demonstrate here that copper-free click chemistry, between strained cyclooctyne functionalized QD and azido-biomolecules, leads to highly luminescent conjugates. In addition, we show that QD-cyclooctyne can be used at previously unreported low concentration (250 nM) for imaging the incorporation...
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PMID: 20222737
PDF is available here.
PDF is available here.
Bioconjugate Chemistry (21)4 2010
Abstract
We have used kinetic measurements of luminescence and measurements of binding by isothermal calorimetry to determine essential rate and equilibrium constants for a system that permanently captures modified DOTA chelates for positron imaging. We used that information along with previous results to qu...
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PMID: 20361788
PDF is available here.
PDF is available here.