Characterization of a microgravimetric sensor based on pH sensitive hydrogels

Richter, Andreas; Bund, Andreas; Keller, Matthias; Arndt, Karl‐Friedrich

doi:10.1016/j.snb.2004.01.011

Cited by 144 publications

(123 citation statements)

References 37 publications

(36 reference statements)

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“…This sharp swellingdeswelling behavior of the hydrogels makes them suitable candidate for controlled drug delivery systems. Such on-off switching behavior via reversible swelling and deswelling has been reported for other ionic hydrogels (Richter et al, 2004;Gan et al, 2001).…”

Section: Ph-sensitivity and Pulsatile Behaviorsupporting

confidence: 76%

Synthesis and properties of collagen-g-poly(sodium acrylate-co-2-hydroxyethylacrylate) superabsorbent hydrogels

Sadeghi

Hosseinzadeh

2013

Braz. J. Chem. Eng.

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-Novel biopolymer-based superabsorbent hydrogels were prepared by grafting crosslinked poly(acrylic acid-co-2-hydroxyethyl acrylate) (PAA-co-PHEA) chains onto collagen backbones through a free radical polymerization method. The graft copolymerization reaction was carried out in a homogeneous medium and in the presence of ammonium persulfate (APS) as initiator and N,N ' -methylene bisacrylamide (MBA) as crosslinker. A proposed mechanism for collagen-g-(PAA-co-PHEA) formation was suggested and the hydrogel structure was confirmed using FTIR spectroscopy and TGA thermal analysis. Moreover, the morphology of the samples was examined by scanning electron microscopy (SEM). The effect of concentration of MBA as well as AA/HEA weight ratio on the swelling capacity of the hydrogel was also studied. Furthermore, the water absorbency of hydrogels was measured in solutions with pH ranging 1 to 13. The collagen-based hydrogel exhibited a pH-responsive character, so that a swelling-deswelling pulsatile behavior was recorded at pHs 2 and 8. Preliminary swelling and deswelling behaviors of the hydrogels were also studied. Additionally, the hydrogels exhibited salt-sensitivity and cation exchange properties.

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Section: Ph-sensitivity and Pulsatile Behaviorsupporting

confidence: 76%

Synthesis and properties of collagen-g-poly(sodium acrylate-co-2-hydroxyethylacrylate) superabsorbent hydrogels

Sadeghi

Hosseinzadeh

2013

Braz. J. Chem. Eng.

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“…After years of experimental work on similar designs, this technology is very well understood and considerable expertise is to be found in the community. With a large value of θ 13 , such a next-generation superbeam has been shown [23,24] to provide a quite competitive physics reach compared to other designs, and for a significant fraction of parameter space, may be sensitive to CP violation originating from the PMNS matrix. There are a number of proposed experiments based on the WBB design.…”

Section: Testing Sum Rules At Next-generation Facilitiesmentioning

confidence: 99%

Testing atmospheric mixing sum rules at precision neutrino facilities

et al. 2014

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Publisher's copyright statement:Reprinted with permission from the American Physical Society: Physical Review D 89, 016016 c 2014 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modied, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.Additional information: Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. We study the prospects for testing classes of atmospheric mixing sum rules at precision neutrino facilities. Such sum rules, which correlate the atmospheric mixing angle θ 23 with the recently measured reactor angle θ 13 and the cosine of the oscillation phase δ, are predicted by a variety of semidirect models based on discrete family symmetry classified in terms of finite von Dyck groups. We perform a detailed simulation of the performance of the next generation of oscillation experiments, including the wideband superbeam and low-energy neutrino factory proposals, and compare their discriminating power for testing atmospheric mixing sum rules.

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“…For this purpose, we will consider below an expansion of the oscillation probabilities at higher order than that implied by Eq. (9). Taking into account that ∆ 31 L ∼ AL ∼ 10 −2 , where A = √ 2G F n e , with G F being the Fermi constant and n e the electron density in the Earth crust, ∆ 21 L ∼ 10 −3.5 , sin 2θ 13 10 −0.5 , |η αβ | 10 −2 and |η eµ | < 3.6 · 10 −5 , it is consistent to expand to second order in the following parameters:…”

Section: Sensitivity To the New Cp-odd Phasesmentioning

confidence: 99%

“…On the experimental side, our quest has led us to consider several future facilities. Because of the interest of tau detection, measurements at a Neutrino Factory [8] will be considered in detail and favored over Super-Beams [9] and β-Beams [10], even the highest energy ones.…”

Section: Introductionmentioning

confidence: 99%

CP-violation from non-unitary leptonic mixing

et al. 2007

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A low-energy non-unitary leptonic mixing matrix is a generic effect of a large class of theories accounting for neutrino masses. It is shown how the extra CPodd phases of a general non-unitary matrix allow for sizeable CP-asymmetries in channels other than those dominant in the standard unitary case. The ν µ → ν τ channel turns out to be an excellent tool to further constrain moduli and phases. Furthermore, we clarify the relationship between our approach and the so-called "non-standard neutrino interactions" schemes: the sensitivities explored here apply as well to such constructions.

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Characterization of a microgravimetric sensor based on pH sensitive hydrogels

Cited by 144 publications

References 37 publications

Synthesis and properties of collagen-g-poly(sodium acrylate-co-2-hydroxyethylacrylate) superabsorbent hydrogels

Synthesis and properties of collagen-g-poly(sodium acrylate-co-2-hydroxyethylacrylate) superabsorbent hydrogels

Testing atmospheric mixing sum rules at precision neutrino facilities

CP-violation from non-unitary leptonic mixing

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