The influence of ammonia and selected amines on the characteristics of calcium carbonate precipitated from calcium chloride solutions via carbonation

Konopacka-Łyskawa, Donata; Kościelska, Barbara; Karczewski, Jakub; Gołąbiewska, Anna

doi:10.1016/j.matchemphys.2017.01.060

Cited by 38 publications

(18 citation statements)

References 33 publications

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“…The pKa values of other protonated amines are 9. 29, 9.80, 10.81, and 10.75 for ammonia, TMA, TEA, and DMA, respectively (Burckhardt & Thelen, 1995;Everett & Landsman, 1954;Harned & Owen, 1930;Konopacka-Łyskawa, Kościelska, Karczewski, & Gołąbiewska, 2017). This trend is consistent with the limited color changes for these amines on most of the indicator elements (Figure 7).…”

Section: Resultssupporting

confidence: 82%

“…This can be explained by the strong basicity of piperidine, with the highest pKa value (11.07) of its conjugated acid, among those of the other amines tested (Kallies & Mitzner, ). The pKa values of other protonated amines are 9.29, 9.80, 10.81, and 10.75 for ammonia, TMA, TEA, and DMA, respectively (Burckhardt & Thelen, ; Everett & Landsman, ; Harned & Owen, ; Konopacka‐Łyskawa, Kościelska, Karczewski, & Gołąbiewska, ). This trend is consistent with the limited color changes for these amines on most of the indicator elements (Figure ).…”

Section: Resultsmentioning

confidence: 99%

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An inkjet‐printed sulfonephthalein dye indicator array for volatile amine detection

Luo

Lim

2020

Journal of Food Science

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Colorimetric indicators are versatile for applications such as intelligent food packaging, for reflecting the actual quality and/or monitoring distribution history of food products. In this study, a colorimetric indicator array composed of sulfonephthalein dyes was successfully developed by piezoelectric inkjet printing, for the detection of volatile aminesthe primary spoilage gases for fish and seafood products. The printing inks were formulated in water/ethanol/1-butanol mixture. By refilling the printer's cartridges with our formulated inks and controlling the red, green, and blue color parameters, a 7 × 9 indicator array was printed onto inkjet transparency films. The color response of the indicator array was tested with different volatile amines at various concentrations. The array indicator was capable of discriminating six different volatile amines: ammonia, trimethylamine, dimethylamine, triethylamine, piperidine, and hydrazine. The printability of the inks was investigated by characterizing their density, surface tension, and dynamic viscosity, dictating that all formulated inks were printable fluid. The microstructural morphologies of the printed dyes on transparency films were evaluated using scanning electron microscopy. Interactions of the dye with the volatiles were studied by Fourier transform infrared spectroscopy. In summary, the piezoelectric inkjet printing method presented in this study offers a convenient, efficient, and flexible means to fabricate colorimetric indicators for detecting food spoilage volatiles. These indicators are promising as sensing components in intelligent packaging systems, to reveal the freshness of fish products by correlating with quality parameters such as total volatile basic nitrogen, microbial growth, and sensory attributes. Further studies on the feasibility of using the array indicators in real food packaging systems, development of strategy to mitigate the potential migration of the indicator dyes, and designing array patterns optimal for machine/human interpretation, are important to commercialize the technology.Practical Application: Piezoelectric inkjet printing offers a convenient way to fabricate sensing materials and aligns with industrial packaging operations. The use of indicators on food package helps consumers more accurately perceive real-time food quality information.

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Section: Resultssupporting

confidence: 82%

Section: Resultsmentioning

confidence: 99%

An inkjet‐printed sulfonephthalein dye indicator array for volatile amine detection

Luo

Lim

2020

Journal of Food Science

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“…However, when calcium salts (e.g., calcium chloride, CaCl 2 , or calcium nitrate, Ca(NO 3 ) 2 ) are used, the pH of solution is more acidic and less advantageous to the formation of carbonate ions. Therefore, CO 2 absorption promoters, like ammonia [19,20,55,56] or amines [56,57], are added to the initial solution. Moreover, carbamate ions that form during carbon dioxide absorption in ammonia and primary or secondary amine aqueous solutions may stabilize the vaterite phase [56,58].…”

Section: Carbonation Route (G-l)mentioning

confidence: 99%

Synthesis Methods and Favorable Conditions for Spherical Vaterite Precipitation: A Review

Konopacka-Łyskawa

2019

Crystals

Self Cite

104

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Vaterite is the least thermodynamically stable anhydrous calcium carbonate polymorph. Its existence is very rare in nature, e.g., in some rock formations or as a component of biominerals produced by some fishes, crustaceans, or birds. Synthetic vaterite particles are proposed as carriers of active substances in medicines, additives in cosmetic preparations as well as adsorbents. Also, their utilization as a pump for microfluidic flow is also tested. In particular, vaterite particles produced as polycrystalline spheres have large potential for application. Various methods are proposed to precipitate vaterite particles, including the conventional solution-solution synthesis, gas-liquid method as well as special routes. Precipitation conditions should be carefully selected to obtain a high concentration of vaterite in all these methods. In this review, classical and new methods used for vaterite precipitation are presented. Furthermore, the key parameters affecting the formation of spherical vaterite are discussed.

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“…The reduction of nitrogen, nitrates and nitrites has a similar effect to sulfide, in that the uptake of protons during the formation of ammonia, results in increased alkalinity that could lead to calcite precipitation [7, 41–44]. The release of ammonia also aids in calcification as the ammonia absorbs carbon dioxide, resulting in an increase in carbonate ions [43]. Metabolism of nitrogenous compounds has likewise been proposed to have emerged at approximately the same time as sulfur metabolism, as both processes share similar redox states [45].…”

Section: Resultsmentioning

confidence: 99%

Conserved bacterial genomes from two geographically distinct peritidal stromatolite formations shed light on potential functional guilds

Waterworth¹,

Isemonger

Rees³

et al. 2019

Preprint

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13Stromatolites are complex microbial mats that form lithified layers and ancient forms are 14 the oldest evidence of life on earth, dating back over 3.4 billion years. Their emergence 15 aligns with the oxygenation of the Earth's atmosphere and insight into these ancient 16 structures would shed light on the earliest days of Earth. Modern stromatolites are 17 relatively rare but may provide clues about the function and evolution of their ancient 18 counterparts. Previous studies have assessed microbial diversity and overall functional 19 potential but not at a genome-resolved level. In this study, we focus on peritidal 20 stromatolites occurring at Cape Recife and Schoenmakerskop on the southeastern 21 South African coastline. We identify functional gene sets in bacterial species conserved 22 across two geographically distinct stromatolite formations and show that these bacteria 23 may promote carbonate precipitation through the reduction of sulfur and nitrogenous 24 compounds and produce calcium ions that are predicted to play an important role in 25 promoting lithified mats. We propose that abundance of extracellular alkaline 26 phosphatases, in combination with the absence of transport regulatory enzymes, may 27 lead to the precipitation of phosphatic deposits within these stromatolites. We conclude 28 that the cumulative effect of several conserved bacterial species drives accretion in 29 these two stromatolite formations. 30 31 3

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The influence of ammonia and selected amines on the characteristics of calcium carbonate precipitated from calcium chloride solutions via carbonation

Cited by 38 publications

References 33 publications

An inkjet‐printed sulfonephthalein dye indicator array for volatile amine detection

An inkjet‐printed sulfonephthalein dye indicator array for volatile amine detection

Synthesis Methods and Favorable Conditions for Spherical Vaterite Precipitation: A Review

Conserved bacterial genomes from two geographically distinct peritidal stromatolite formations shed light on potential functional guilds

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