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1

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Structural Characterization of a Capillary Microfluidic Chip Using Microreflectance

Lastras-Martínez, Luis F. ; Balderas-Navarro, Raul E. ; Castro-García, Ricardo ; [et al.]

SAGE Publications ; 2017

In: Applied Spectroscopy Vol. 71, No. 6 ( 2017-06), p. 1357-1362

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In: Applied Spectroscopy, SAGE Publications, Vol. 71, No. 6 ( 2017-06), p. 1357-1362

Abstract: The structural characterization of capillary microfluidic chips is important for reliable applications. In particular, nondestructive diagnostic tools to assess geometrical dimensions and their correlations with control processes are of much importance, preferably if they are implemented in situ. Several techniques to accomplish this task have been reported; namely, optical coherence tomography (OCT) jointly with confocal fluorescence microscopy (CFM) to investigate internal features of lab-on-a-chip technologies. In this paper, we report on the use of a simple optical technique, based on near-normal incidence microreflectance, which allows mapping internal features of a microfluidic chip in a straightforward way. Our setup is based on a charge-coupled device camera that allows a lateral resolution of ∼2.5 µm and allows us to measure in the wavelength range of 640–750 nm. The technique takes advantage of the Fabry–Perot interferences features in the reflectance spectra, which are further analyzed by a discrete Fourier transform. In this way, the amplitude of the Fourier coefficients is modulated by the presence of a microfluidic channel.

Type of Medium: Online Resource

ISSN: 0003-7028 , 1943-3530

URL: Article

DOI: 10.1177/0003702816671961

RVK:

VA 2367

Language: English

Publisher: SAGE Publications

Publication Date: 2017

detail.hit.zdb_id: 1474251-2

SSG: 11

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2

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Hydrothermal Recrystallization as a Strategy to Reveal the Structural Diversity in Hexacyanometallates: Nickel and Copper Hexacyanoosmates(II)

Reguera, Leslie ; López, Noeldris L. ; Rodríguez‐Hernández, Joelis ; [et al.]

Wiley ; 2020

In: European Journal of Inorganic Chemistry Vol. 2020, No. 18 ( 2020-05-14), p. 1763-1774

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In: European Journal of Inorganic Chemistry, Wiley, Vol. 2020, No. 18 ( 2020-05-14), p. 1763-1774

Abstract: The results discussed herein reinforce the relevance of the hydrothermal recrystallization in transition metal hexacyanometallates as a suitable strategy to access the structural diversity of this family of coordination polymers. Copper(2+) and nickel(2+) hexacyanoosmates(II) were prepared by the precipitation method using hexacyanoosmic(II) acid as the complex anion source, obtaining powders of insufficient crystalline quality for the structural study. These powders were then recrystallized under hydrothermal conditions. For Ni, three new phases where formed, monoclinic and tetragonal, and a hexagonal modification when the monoclinic one is dehydrated under soft heating. For copper, one new tetragonal phase was found, in addition to the previously reported cubic one, typical of Prussian blue analogues. The crystal structure for these four nickel and cooper hexacyanoosmates(II) were solved and refined ab initio from powder XRD data. The refined crystal structures are properly supported by a detailed spectroscopic study from IR and UV/Vis data, Ligand Field Analysis, and thermal, magnetic and hydrogen adsorption measurements. In the anhydrous phase for nickel, neighboring Ni atoms were found coordinated by bifurcated N end, an atypical coordination mode for the CN – ligand. The results herein discussed contribute to shed light on the vast information unrevealed on the coordination chemistry of transition metal hexacyanometallates.

Type of Medium: Online Resource

ISSN: 1434-1948 , 1099-0682

URL: Issue

URL: Article

DOI: 10.1002/ejic.v2020.18

DOI: 10.1002/ejic.202000086

RVK:

VA 4072.5

Language: English

Publisher: Wiley

Publication Date: 2020

detail.hit.zdb_id: 1475009-0

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3

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Carbon-Assisted Isothermal Close Space Vapor Transport Growth of Mo4O11 and MoO2 Micro/Nanostructures by in Situ Formation of the Mo(CO)6 Transport Agent

de Melo, Osvaldo ; Sánchez, Maria ; Aguilar-Hernández, Jorge Ricardo ; [et al.]

American Chemical Society (ACS) ; 2023

In: The Journal of Physical Chemistry C

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In: The Journal of Physical Chemistry C, American Chemical Society (ACS)

Type of Medium: Online Resource

ISSN: 1932-7447 , 1932-7455

URL: Article

DOI: 10.1021/acs.jpcc.3c04294

DOI: 10.1021/acs.jpcc.3c04294.s001

RVK:

VA 5430.C

Language: English

Publisher: American Chemical Society (ACS)

Publication Date: 2023

detail.hit.zdb_id: 2256522-X

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4

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Use of sodium tungstate as a permanent chemical modifier for slurry sampling electrothermal atomic absorption spectrometric determination of indium in soils

López-García, Ignacio ; Rivas, Ricardo E. ; Hernández-Córdoba, Manuel

Springer Science and Business Media LLC ; 2008

In: Analytical and Bioanalytical Chemistry Vol. 391, No. 4 ( 2008-6), p. 1469-1474

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In: Analytical and Bioanalytical Chemistry, Springer Science and Business Media LLC, Vol. 391, No. 4 ( 2008-6), p. 1469-1474

Type of Medium: Online Resource

ISSN: 1618-2642 , 1618-2650

URL: Article

DOI: 10.1007/s00216-007-1805-y

RVK:

VA 4300

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2008

detail.hit.zdb_id: 1459122-4

detail.hit.zdb_id: 2071767-2

SSG: 12

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5

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A Multiscale Scheme for the Simulation of Conformational and Solution Properties of Different Dendrimer Molecules

Echenique, Gustavo Del Río ; Schmidt, Ricardo Rodríguez ; Freire, Juan J. ; [et al.]

American Chemical Society (ACS) ; 2009

In: Journal of the American Chemical Society Vol. 131, No. 24 ( 2009-06-24), p. 8548-8556

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In: Journal of the American Chemical Society, American Chemical Society (ACS), Vol. 131, No. 24 ( 2009-06-24), p. 8548-8556

Type of Medium: Online Resource

ISSN: 0002-7863 , 1520-5126

URL: Article

DOI: 10.1021/ja901275d

RVK:

VA 1120 ; VA 1752

Language: English

Publisher: American Chemical Society (ACS)

Publication Date: 2009

detail.hit.zdb_id: 1472210-0

detail.hit.zdb_id: 3155-0

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6

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Single-Molecule Behavior of Asymmetric Thermoresponsive Amphiphilic Copolymers in Dilute Solution

Rodríguez Schmidt, Ricardo ; Pamies, Ramón ; Kjøniksen, Anna-Lena ; [et al.]

American Chemical Society (ACS) ; 2010

In: The Journal of Physical Chemistry B Vol. 114, No. 27 ( 2010-07-15), p. 8887-8893

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In: The Journal of Physical Chemistry B, American Chemical Society (ACS), Vol. 114, No. 27 ( 2010-07-15), p. 8887-8893

Type of Medium: Online Resource

ISSN: 1520-6106 , 1520-5207

URL: Article

DOI: 10.1021/jp102442q

RVK:

VA5430.B

Language: English

Publisher: American Chemical Society (ACS)

Publication Date: 2010

detail.hit.zdb_id: 1357799-2

detail.hit.zdb_id: 2006039-7

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7

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First example of bridge mono-coordination mode for the ligand 1,8-bis-(2-pyridyl)-3,6-dithiaoctane (pdto) in a Co(II) tetrahedral complex

Ramírez-Delgado, Vanessa ; Morales León, Ricardo Emmanuel ; Hernández-Ayala, Luis Felipe ; [et al.]

Elsevier BV ; 2014

In: Polyhedron Vol. 74 ( 2014-05), p. 72-78

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In: Polyhedron, Elsevier BV, Vol. 74 ( 2014-05), p. 72-78

Type of Medium: Online Resource

ISSN: 0277-5387

URL: Article

DOI: 10.1016/j.poly.2014.03.001

RVK:

VA 6610

Language: English

Publisher: Elsevier BV

Publication Date: 2014

detail.hit.zdb_id: 2000326-2

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8

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Ultrasound-assisted emulsification microextraction coupled with gas chromatography–mass spectrometry using the Taguchi design method for bisphenol migration studies from thermal printer paper, toys and baby utensils

Viñas, Pilar ; López-García, Ignacio ; Campillo, Natalia ; [et al.]

Springer Science and Business Media LLC ; 2012

In: Analytical and Bioanalytical Chemistry Vol. 404, No. 3 ( 2012-8), p. 671-678

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In: Analytical and Bioanalytical Chemistry, Springer Science and Business Media LLC, Vol. 404, No. 3 ( 2012-8), p. 671-678

Type of Medium: Online Resource

ISSN: 1618-2642 , 1618-2650

URL: Article

DOI: 10.1007/s00216-012-5957-z

RVK:

VA 4300

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2012

detail.hit.zdb_id: 1459122-4

detail.hit.zdb_id: 2071767-2

SSG: 12

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9

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Use of carbon nanotubes and electrothermal atomic absorption spectrometry for the speciation of very low amounts of arsenic and antimony in waters

López-García, Ignacio ; Rivas, Ricardo E. ; Hernández-Córdoba, Manuel

Elsevier BV ; 2011

In: Talanta Vol. 86 ( 2011-10), p. 52-57

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In: Talanta, Elsevier BV, Vol. 86 ( 2011-10), p. 52-57

Type of Medium: Online Resource

ISSN: 0039-9140

URL: Article

DOI: 10.1016/j.talanta.2011.07.105

RVK:

VA 7420

Language: English

Publisher: Elsevier BV

Publication Date: 2011

detail.hit.zdb_id: 1500969-5

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10

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Solution Synthesis of BiFeO 3 Thin Films onto Silicon Substrates with Ferroelectric, Magnetic, and Optical Functionalities

Gutiérrez‐Lázaro, Carmen ; Bretos, Iñigo ; Jiménez, Ricardo ; [et al.]

Wiley ; 2013

In: Journal of the American Ceramic Society Vol. 96, No. 10 ( 2013-10), p. 3061-3069

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In: Journal of the American Ceramic Society, Wiley, Vol. 96, No. 10 ( 2013-10), p. 3061-3069

Abstract: Single‐ BiFeO 3 perovskite films onto Pt ‐coated silicon substrates have been fabricated by chemical solution deposition using a synthesis strategy based on the use of nonhazardous reagents. Different routes were tested to obtain precursors for the deposition of the films, inferring that bismuth ( III ) nitrate and iron ( III ) 2,4‐pentanedionate dissolved in acetic acid and 1,3‐propendiol led to the best solution. Ferroelectric, magnetic, and optical functionalities were demonstrated in these films, obtaining a high ferroelectric polarization at room temperature, ~67 μC × cm −2 , a dependence of the magnetization with the film thickness, 0.60 and 2.50 emu × g −1 for the ~215 and ~42‐nm‐thick films, and a direct band gap in the visible range, E g ~2.82 eV. These results support the interest of solution methods for the fabrication of BiFeO 3 thin films onto the silicon substrates required in microelectronic devices.

Type of Medium: Online Resource

ISSN: 0002-7820 , 1551-2916

URL: Issue

URL: Article

DOI: 10.1111/jace.2013.96.issue-10

DOI: 10.1111/jace.12569

RVK:

VA 1120

Language: English

Publisher: Wiley

Publication Date: 2013

detail.hit.zdb_id: 2008170-4

detail.hit.zdb_id: 219232-9

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