Direct growth of oriented Mg–Fe layered double hydroxide (LDH) on pure Mg substrates and in vitro corrosion and cell adhesion testing of LDH-coated Mg samples

Lin, Jen‐Wei; Uan, Jun-Yen; Wu, Chia Ping; Huang, Her Hsiung

doi:10.1039/c0jm03764h

Cited by 71 publications

(39 citation statements)

References 73 publications

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“…It shows spherical colloids whose size is 1.3 ± 0.6 m. The particles merge during contact to form an accretion (coalescence). This morphology is quite similar to amorphous silica particles that have been reported previously many times in literature (Lin et al, 2011;Pol et al, 2003).…”

Section: Scales In Surface Pipelinesupporting

confidence: 70%

Types of the scaling in hyper saline geothermal system in northwest Turkey

Demir

Baba

Atilla³

et al. 2014

Geothermics

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a b s t r a c tTuzla is an active geothermal area located in northwestern Turkey, 80 km south of the city of Canakkale and 5 km from the Aegean Coast. The geothermal brine from this area, which is dominated by NaCl, has a typical temperature of 173• C. Rapid withdrawal of fluid to ambient surface conditions during sampling causes precipitation of various compounds known as scaling. Scaling is one of the important problems in Tuzla geothermal system that reduces the efficiency of the geothermal power plant and causes economical loss. The aim of this study was to determine the type of scaling as a first step towards preventing its formation. The scales formed in the geothermal system were divided into two groups according to location: the ones that formed in downhole and the ones that accumulated along the surface pipeline. Both scales were examined in terms of their elemental composition, structure and morphology using XRF, XRD, and SEM, respectively. The former was found to be mainly composed of PbS (Galena) and CaCO 3 (aragonite or calcite). In contrast, the latter was heterogeneous in nature and consisted of mainly saponite like amorphous structure along with submicrometer-sized amorphous silica particles, layered double magnesium and iron hydroxide, and NaCl.

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Section: Scales In Surface Pipelinesupporting

confidence: 70%

Types of the scaling in hyper saline geothermal system in northwest Turkey

Demir

Baba

Atilla³

et al. 2014

Geothermics

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“…Other synthesized natural-like minerals that are included in the hydrotalcite group are the ones where Mg 2+ is replaced by Zn 2+ [19][20][21] as in zaccagnaite or by Ni 2+ [22,23] as in takovite. Trivalent aluminum may be replaced by Fe 3+ [24,25] as in pyroaurite or reevesite. Furthermore, post-synthetic processing of LDH is often applied to facilitate desirable properties.…”

Section: −mentioning

confidence: 99%

In Situ Hybridization of Pulp Fibers Using Mg-Al Layered Double Hydroxides

Lange

Lastusaari

Reza

et al. 2015

Fibers

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Inorganic Mg2+ and Al 3+ containing layered double hydroxide (LDH) particles were synthesised in situ from aqueous solution onto chemical pulp fibers of pine (Pinus sylvestris). High super saturated (hss) solution with sodium carbonate produced LDH particles with an average diameter of 100-200 nm. Nano-size (70 nm) LDH particles were found from fibers external surface and, to a lesser degree, from the S2 cell wall after synthesis via low super saturated (lss) route. The synthesis via slow urea hydrolysis (Uhyd) yielded micron and clay sized LDH (2-5 µm) and enabled efficient fiber densification via mineralization of S2 fiber wall layer as indicated by TEM and compliance analysis. The Uhyd method decreased fiber compliance up to 50%. Reduction in the polymerisation degree of cellulose was observed with capillary viscometry. Thermogravimetric analysis showed that the hybridization with LDH reduced the exothermic heat, indicating, that this material can be incorporated in flame retardant applications. Fiber charge was assessed by

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“…In the current study, LDH platelets of approximately 100-200 nm were used, which displayed good cytocompatibility, which is in line with the previous study [46]. Although little is known about the cytocompatibility of MgFe-LDH, coating with MgFe-LDH showed good adhesion of human MSCs [47]. Nevertheless, possible induction of inflammatory response should not be overlooked, especially with a dose higher than 250 lg/ml [46].…”

Section: Discussionmentioning

confidence: 53%