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Showing 1 to 12 of 648 entries
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A graphene–silver nanoparticle–silicon sandwich SERS chip for quantitative detection of molecules and capture, discrimination, and inactivation of bacteria

Broadening participation in STEM

Ding P.
GSID: CKayLvBMSvIJ
X Meng, H Wang, N Chen, P Ding, H Shi… - Analytical …, 2018 - ACS Publications

There currently exists increasing concerns on the development of a kind of high-performance SERS platform, which is suitable for sensing applications ranging from the molecular to cellular (eg, bacteria) level. Herein, we develop a novel kind of universal SERS...

Conducting LaAlO3/SrTiO3 heterointerfaces on atomically-flat substrates prepared by deionized-water.

Scientific reports

Connell JG, Nichols J, Gruenewald JH, Kim DW, Seo SS.
PMID: 27033248
Sci Rep. 2016 Apr 01;6:23621. doi: 10.1038/srep23621.

We have investigated how the recently-developed water-leaching method for atomically-flat SrTiO3 (STO) substrates affects the transport properties of LaAlO3 (LAO) and STO heterointerfaces. Using pulsed laser deposition at identical growth conditions, we have synthesized epitaxial LAO thin-films on two...

Chemical Composition of Nanoporous Layer Formed by Electrochemical Etching of p-Type GaAs.

Nanoscale research letters

Bioud YA, Boucherif A, Belarouci A, Paradis E, Drouin D, Arès R.
PMID: 27704487
Nanoscale Res Lett. 2016 Dec;11(1):446. doi: 10.1186/s11671-016-1642-z. Epub 2016 Oct 04.

We have performed a detailed characterization study of electrochemically etched p-type GaAs in a hydrofluoric acid-based electrolyte. The samples were investigated and characterized through cathodoluminescence (CL), X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDX), and X-ray photoelectron spectroscopy (XPS). It...

Influence of Digestion Procedure and Residual Carbon on Manganese, Copper, and Zinc Determination in Herbal Matrices by Atomic Absorption Spectrometry.

Journal of analytical methods in chemistry

Adamczyk-Szabela D, Anielak P, Wolf WM.
PMID: 29123940
J Anal Methods Chem. 2017;2017:6947376. doi: 10.1155/2017/6947376. Epub 2017 Oct 19.

Mineralization to the complete oxidation of sample carbon component does not always assure the best analyte recovery. Particular attention should be paid to the presence of silicon in the investigated plant sample and especially in the certified reference material...

Optimized elemental analysis of fluorescence lamp shredder waste.

Talanta

Hobohm J, Kuchta K, Krüger O, van Wasen S, Adam C.
PMID: 26592653
Talanta. 2016 Jan 15;147:615-20. doi: 10.1016/j.talanta.2015.09.068. Epub 2015 Nov 05.

Fluorescence lamps contain considerable amounts of rare earth elements (REE). Several recycling procedures for REE recovery from spent lamps have been established. However, despite their economic importance, the respective recycling is scarce so far, with an REE recovery rate...

Electrochemical Immunoassay of Escherichia coli O157:H7 Using Ag@SiO2 Nanoparticles as Labels.

Journal of analytical methods in chemistry

Chen GZ, Yin ZZ, Lou JF.
PMID: 24872904
J Anal Methods Chem. 2014;2014:247034. doi: 10.1155/2014/247034. Epub 2014 Apr 27.

Silica coated silver (Ag@SiO2) nanoparticles were prepared and characterized by transmission electron microscope (TEM) and UV-vis absorption, and the nanoparticles were used as labels in sandwich-type immunosensor of Escherichia coli O157:H7 (E. coli O157:H7). The labels involved in immunoreaction...

Colloidal luminescent silicon nanorods.

Nano letters

Lu X, Hessel CM, Yu Y, Bogart TD, Korgel BA.
PMID: 23731184
Nano Lett. 2013 Jul 10;13(7):3101-5. doi: 10.1021/nl401802h. Epub 2013 Jun 06.

Silicon nanorods are grown by trisilane decomposition in hot squalane in the presence of tin (Sn) nanocrystals and dodecylamine. Sn induces solution-liquid-solid nanorod growth with dodecylamine serving as a stabilizing ligand. As-prepared nanorods do not luminesce, but etching with...

Nb, F-codoped TiO2 hollow spheres with high visible light photocatalytic activity.

Nanoscale research letters

Gao M, Xu Y, Bai Y, Xiao F.
PMID: 24305040
Nanoscale Res Lett. 2013 Dec 04;8(1):508. doi: 10.1186/1556-276X-8-508.

Nb, F-codoped TiO2 hollow spheres (NFTSs) were successfully synthesized via a hydrothermal method with niobium oxide, hydrofluoric acid, and tetrabutyl titanate. The obtained spheres were hollow, with a diameter of about 2 μm, and the sphere wall was made...

Evaluation of Shear Bond Strength of Feldspathic CAD/CAM Ceramic with Dentin using 2 Bonding Agents and 2 Surface Treatments- An Invitro Study.

Journal of clinical and diagnostic research : JCDR

Jetti RR, Balasubramaniam M, Chidambaranathan AS, Srinivasan S.
PMID: 26674522
J Clin Diagn Res. 2015 Nov;9(11):ZC36-9. doi: 10.7860/JCDR/2015/15732.6779. Epub 2015 Nov 01.

BACKGROUND: All ceramics are the material of choice for aesthetic tooth replacements. The success of all ceramic restoration depends on the bond between the ceramic and the tooth surface hence this study was done to evaluate the shear bond...

Microquantification of phospholipid classes by stable isotope dilution and nanoESI mass spectrometry.

Analytical and bioanalytical chemistry

Safian MF, Zinn N, Seidler J, Lehmann WD.
PMID: 27515797
Anal Bioanal Chem. 2016 Nov;408(27):7663-7667. doi: 10.1007/s00216-016-9859-3. Epub 2016 Aug 11.

A new method for microquantification of phospholipid classes by nanoelectrospray mass spectrometry and stable isotope dilution is presented. The method covers the sum of phosphatidylcholine and sphingomyelin and in addition selectively quantifies phosphatidylethanolamine, phosphatidylserine, and phosphatidylinositol. A phospholipid class...

Evaluation of adhesive bonding of lithium disilicate ceramic material with duel cured resin luting agents.

Journal of clinical and diagnostic research : JCDR

Lambade DP, Gundawar SM, Radke UM.
PMID: 25859514
J Clin Diagn Res. 2015 Feb;9(2):ZC01-5. doi: 10.7860/JCDR/2015/9582.5512. Epub 2015 Feb 01.

PURPOSE: The purpose of this vitro study was to comparatively evaluate the adhesive bonding of dual cured resin luting agents with lithium disilicate ceramic material.MATERIALS AND METHODS: Porcelain laminate veneers were prepared with lithium disilicate ceramic material i.e. IPS...

Structural Elucidation of the O-Antigen Polysaccharide from Escherichia coli O181.

ChemistryOpen

Fontana C, Weintraub A, Widmalm G.
PMID: 25861570
ChemistryOpen. 2015 Feb;4(1):47-55. doi: 10.1002/open.201402068. Epub 2014 Dec 01.

Shiga-toxin-producing Escherichia coli (STEC) is an important pathogen associated to food-borne infection in humans; strains of E. coli O181, isolated from human cases of diarrhea, have been classified as belonging to this pathotype. Herein, the structure of the O-antigen...

Showing 1 to 12 of 648 entries