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Showing 13 to 24 of 7594 entries
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Growth of colloidal PbS nanosheets and the enhancement of their photoluminescence.

Physical chemistry chemical physics : PCCP

Jiang Z, Bhandari GB, Premathilaka SM, Khan S, Dimick DM, Stombaugh C, Mandell A, He Y, Peter Lu H, Sun L.
PMID: 26299359
Phys Chem Chem Phys. 2015 Sep 28;17(36):23303-7. doi: 10.1039/c5cp03140k.

Dual photoluminescence peaks observed during the synthesis of colloidal PbS nanosheets reveal their growth mechanism - two-dimensional attachments of the quantum dots. Well-grown nanosheets show the photoluminescence linewidth of 95 meV at room temperature. Aged nanosheets in toluene have...

Synthesis and Properties of Carbaporphyrin and Carbachlorin Dimethyl Esters Derived from Cyclopentanedialdehydes.

The Journal of organic chemistry

Sahota N, Ferrence GM, Lash TD.
PMID: 28849655
J Org Chem. 2017 Sep 15;82(18):9715-9730. doi: 10.1021/acs.joc.7b01831. Epub 2017 Sep 07.

Norbornenes with two ester substituents were prepared by Diels-Alder cycloadditions of cyclopentadiene with dimethyl fumarate and dimethyl 1,1-ethylenedicarboxylate. Oxidation with potassium permanganate gave good yields of related diols that were oxidatively ring-opened to afford cyclopentane dialdehydes. MacDonald-type "3 +...

Activation of Single-Component Nickel(II) Polyethylene Catalysts via Phase Transfer of Fluorous Phosphine Ligands.

Journal of the American Chemical Society

Xi Z, Bazzi HS, Gladysz JA.
PMID: 26300472
J Am Chem Soc. 2015 Sep 02;137(34):10930-3. doi: 10.1021/jacs.5b06562. Epub 2015 Aug 24.

The nickel salicylaldiminato phosphine complexes [1,2,3-C6H3(9-anthracenyl)O(CH═N(2,6-C6H3(iPr)2)]Ni(Me)[P(4-C6H4R)3] (4; R = a, (CH2)2Rf8; b, (CH2)3Rf8; c, H (Rf8 = (CF2)7CF3)) are prepared from the corresponding phosphines 3a-c and nickel NCMe adduct (46-68%). These are applied as catalysts for ethylene polymerization in...

Measurement of volatile organic compounds (VOCs) in libraries and archives in Florence (Italy).

The Science of the total environment

Cincinelli A, Martellini T, Amore A, Dei L, Marrazza G, Carretti E, Belosi F, Ravegnani F, Leva P.
PMID: 27505266
Sci Total Environ. 2016 Dec 01;572:333-339. doi: 10.1016/j.scitotenv.2016.07.201. Epub 2016 Aug 06.

Indoor air samples from libraries and archives in Florence, Italy, were collected and analysed for a variety of volatile organic compounds. The aim was to perform a characterisation of the indoor air quality, and try to elucidate if there...

Microfluidic EBG Sensor Based on Phase-Shift Method Realized Using 3D Printing Technology.

Sensors (Basel, Switzerland)

Radonić V, Birgermajer S, Kitić G.
PMID: 28420217
Sensors (Basel). 2017 Apr 18;17(4). doi: 10.3390/s17040892.

In this article, we propose a novel microfluidic microstrip electromagnetic band gap (EBG) sensor realized using cost-effective 3D printing technology. Microstrip sensor allows monitoring of the fluid properties flowing in the microchannel embedded between the microstrip line and ground...

Characteristics of carbonaceous aerosols: Impact of biomass burning and secondary formation in summertime in a rural area of the North China Plain.

The Science of the total environment

Yao L, Yang L, Chen J, Wang X, Xue L, Li W, Sui X, Wen L, Chi J, Zhu Y, Zhang J, Xu C, Zhu T, Wang W.
PMID: 27031303
Sci Total Environ. 2016 Jul 01;557:520-30. doi: 10.1016/j.scitotenv.2016.03.111. Epub 2016 Mar 29.

To determine the characteristics of carbonaceous aerosols in rural areas of the North China Plain, field measurements were conducted at Yucheng (YC) in the summers of 2013 and 2014. The concentrations of carbonaceous aerosols at YC exhibited clear diurnal...

Aluminum methyl, alkoxide and α-alkoxy ester complexes supported by 6,6'-dimethylbiphenyl-bridged salen ligands: synthesis, characterization and catalysis for rac-lactide polymerization.

Dalton transactions (Cambridge, England : 2003)

Kan C, Ge J, Ma H.
PMID: 26974122
Dalton Trans. 2016 Apr 21;45(15):6682-95. doi: 10.1039/c5dt04633e.

The synthesis and characterization of aluminum alkyl and alkoxide complexes bearing racemic 6,6'-dimethylbiphenyl-bridged salen-type ligands, and their catalysis in the ring-opening polymerization (ROP) of rac-lactide are reported. Reactions of AlMe3 with various amounts of the proligands (6,6'-[(6,6'-dimethyl-[1,1'-biphenyl]-2,2'-diyl)bis(nitrylomethilidyne)]-bis(2-R(1)-4-R(2)-phenol): , R(1)...

Predicting solvatochromic shifts and colours of a solvated organic dye: The example of nile red.

The Journal of chemical physics

Zuehlsdorff TJ, Haynes PD, Payne MC, Hine ND.
PMID: 28388154
J Chem Phys. 2017 Mar 28;146(12):124504. doi: 10.1063/1.4979196.

The solvatochromic shift, as well as the change in colour of the simple organic dye nile red, is studied in two polar and two non-polar solvents in the context of large-scale time-dependent density-functional theory (TDDFT) calculations treating large parts...

Morphology of electrospun fibers derived from High Internal Phase Emulsions.

Journal of colloid and interface science

Samanta A, Nandan B, Srivastava RK.
PMID: 26971066
J Colloid Interface Sci. 2016 Jun 01;471:29-36. doi: 10.1016/j.jcis.2016.03.012. Epub 2016 Mar 08.

High Internal Phase Emulsions (HIPEs) are known for their excessive volume of dispersed phase (volume fraction of dispersed phase Φd>0.74) and are primarily used for polymerization of continuous phase monomer(s) thereby generating porous systems in a single step. In...

Single-Walled Carbon Nanotube-Polyamidoamine Dendrimer Hybrids for Heterogeneous Catalysis.

ACS nano

Giacalone F, Campisciano V, Calabrese C, La Parola V, Syrgiannis Z, Prato M, Gruttadauria M.
PMID: 26974262
ACS Nano. 2016 Apr 26;10(4):4627-36. doi: 10.1021/acsnano.6b00936. Epub 2016 Mar 28.

We report the synthesis and catalytic properties of single-walled carbon nanotube-polyamidoamine dendrimers hybrids (SWCNT-PAMAM), prepared via a convergent strategy. The direct reaction of cystamine-based PAMAM dendrimers (generations 2.5 and 3.0) with pristine SWCNTs in refluxing toluene, followed by immobilization...

Tuning the Electronic Structure and Properties of Perylene-Porphyrin-Perylene Panchromatic Absorbers.

The journal of physical chemistry. A

Amanpour J, Hu G, Alexy EJ, Mandal AK, Kang HS, Yuen JM, Diers JR, Bocian DF, Lindsey JS, Holten D.
PMID: 27636001
J Phys Chem A. 2016 Sep 29;120(38):7434-50. doi: 10.1021/acs.jpca.6b06857. Epub 2016 Sep 16.

Light-harvesting architectures that afford strong absorption across the near-ultraviolet to near-infrared region, namely, panchromatic absorptivity, are potentially valuable for capturing the broad spectral distribution of sunlight. One previously reported triad consisting of two perylene monoimides strongly coupled to a...

IgA nephropathy in a laboratory worker that progressed to end-stage renal disease: a case report.

Annals of occupational and environmental medicine

Min B, Kim G, Kang T, Yoon C, Cho SI, Paek D.
PMID: 27504189
Ann Occup Environ Med. 2016 Aug 08;28:35. doi: 10.1186/s40557-016-0118-z. eCollection 2016.

BACKGROUND: IgA nephropathy (IgAN) is the most common form of glomerulonephritis, a principal cause of end-stage renal disease (ESRD) worldwide. The mechanisms of onset and progression of IgAN have not been fully revealed, and epidemiologic studies have yielded diverging...

Showing 13 to 24 of 7594 entries