scholarly journals Impact of Green Vegetables and Green Smoothies on Enamel Mineral Composition In Vitro

2019 ◽  
Vol 29 (3) ◽  
Author(s):  
Ines Willershausen ◽  
Daniel Schulte ◽  
Brita Willershausen ◽  
Adriano Azaripour
Keyword(s):  
Mineral Composition

scholarly journals Mineral Content and Antisickling Activity of Annona senegalensis, Alchornea cordifolia and Vigna unguiculata Used in the Management of Sickle Cell Disease in the Kwilu Province (Congo, DR)

2020 ◽  
pp. 18-27
Author(s):  
Jules M. Kitadi ◽  
Clément L. Inkoto ◽  
Emmanuel M. Lengbiye ◽  
Damien S. T. Tshibangu ◽  
Dorothée D. Tshilanda ◽  
...  
Keyword(s):  
Sickle Cell Disease ◽  
Mineral Composition ◽  
Sickle Cell ◽  
Mineral Elements ◽  
Spectrometric Method ◽  
Spectrometric Analysis ◽  
Composition Analysis ◽  
Cell Disease ◽  
Republic Of The Congo

Aims: To determine the mineral composition of some plants (Annona senegalensis Pers., Alchornea cordifolia (Schumach. & Thonn.) Müll. Arg. and Vigna unguiculate (L.) Walp.) used in the management of sickle cell disease by traditional practitioners in Kwilu province and to evaluate their antisickling activity in vitro.  Study Design: Plant collection in the Kwilu province, sample preparation,  antisickling tests and fluorescence spectrometric analysis. Place and Duration of Study: This work was performed at the Faculty of Science, University of Kinshasa, Congo DR, from October 2016 to January 2018. Methodology: These three plants were harvested in the province of Kwilu in Democratic Republic of the Congo. The mineral composition analysis was carried out using the fluorescence spectrometric method while the in vitro antisickling activity was evaluate using Emmel and hemolysis tests. Results: Twenty three mineral elements were identified in each of these three plants: Potassium (K), Phosphorus (P), Calcium (Ca), Sodium (Na), Magnesium (Mg), Sulphur (S), Chlorine (Cl) and trace elements as: Aluminum (Al), Silicon (Si), Vanadium (V), Chromium (Cr), Manganese (Mn), Iron (Fe), Nickel (Ni), Copper (Cu), Zinc (Zn), Selenium (Se), Brome (Br), Molybdenum (Mo), Tin (Sn), Iodine (I), Barium (Ba) and Lead (Pb). Annona senegalensis Pers., Alchornea cordifolia (Schumach. & Thonn.) Müll.Arg. and Vigna unguiculate (L.) Walp. aqueous extracts showed the capacity to prevent the sickling and the hemolysis of red blood cells. Conclusion: The obtained results confirm the antisickling activity thus justifying the use of these plants in Traditional Medicine for the management of sickle cell disease. The presence of some mineral elements like Fe, Zn, Mg and Se are useful for sickle cell disease patients.

scholarly journals Adjustment of Mineral Elements in the Culture Medium for the Micropropagation of Three Vriesea Bromeliads from the Brazilian Atlantic Forest: The Importance of Calcium

HortScience ◽  
2009 ◽  
Vol 44 (1) ◽  
pp. 106-112 ◽  
Author(s):  
Alice Noemí Aranda-Peres ◽  
Lázaro Eustáquio Pereira Peres ◽  
Edson Namita Higashi ◽  
Adriana Pinheiro Martinelli
Keyword(s):  
New Media ◽  
Mineral Composition ◽  
Culture Media ◽  
Dry Weight ◽  
Defined Medium ◽  
Ms Medium ◽  
Media Formulation ◽  
Half Strength

Many different species of Bromeliaceae are endangered and their conservation requires specific knowledge of their growth habits and propagation. In vitro culture of bromeliads is an important method for efficient clonal propagation and in vitro seed germination can be used to maintain genetic variability. The present work aims to evaluate the in vitro growth and nutrient concentration in leaves of the epiphyte bromeliads Vriesea friburguensis Mez, Vriesea hieroglyphica (Carrière) E. Morren, and Vriesea unilateralis Mez, which exhibit slow rates of growth in vivo and in vitro. Initially, we compared the endogenous mineral composition of bromeliad plantlets grown in half-strength Murashige and Skoog (MS) medium and the mineral composition considered adequate in the literature. This approach suggested that calcium (Ca) is a critical nutrient and this was considered for new media formulation. Three new culture media were defined in which the main changes to half-strength MS medium were an increase in Ca, magnesium, sulfur, copper, and chloride and a decrease in iron, maintaining the nitrate:ammonium rate at ≈2:1. The main difference among the three new media formulated was Ca concentration, which varied from 1.5 mm in half-strength MS to 3.0, 6.0, and 12 mm in M2, M3, and M4 media, respectively. Consistently, all three species exhibited significantly higher fresh and dry weight on M4, the newly defined medium with the highest level of Ca (12 mm). Leaf nitrogen, potassium, zinc, magnesium, and boron concentrations increased as Ca concentration in the medium increased from 1.5 to 12 mm.

Comparison of the Chemical Reactivity and Bioactivity of Two Bioactive Glasses 47S6 and 48S4

2008 ◽  
Vol 396-398 ◽  
pp. 107-110 ◽  
Author(s):  
Hassane Oudadesse ◽  
M. Mami ◽  
R. Dorbez-Sridi ◽  
P. Pellen-Mussi ◽  
F. Perez ◽  
...  
Keyword(s):  
Mineral Composition ◽  
Chemical Reactivity ◽  
Rapid Quenching ◽  
Structural Basis ◽  
In Vitro Experiments ◽  
Layer Formation ◽  
Bioactive Glasses ◽  
Ionic Exchanges ◽  
Kinetics Of

This work is focused on the bioactive glasses obtained by melting and rapid quenching. Two glasses with mineral composition of: 47% SiO2 - 26% CaO - 21% Na2O - 6% P2O5 and 48% SiO2 - 30% CaO - 18% Na2O - 4% P2O5 were investigated. The aim of this study was to establish the kinetics of HCAp layer formation “in vitro” and to control the adhesion and proliferation cells of the two glasses in contact with osseous cells. Obtained results permit to evaluate their chemical reactivity and their bioactivity after immersion in the SBF-K9. Ionic exchanges between biomaterials and SBF liquid during the “in vitro” experiments highlight the differences of the chemical reactivity and bioactivity of 47S6 and 48S4. The structural basis for the effect of cristallinity on the rates of HCA formation in vitro in favour of glasses was also established. The melt derived 47S6 and 48S4 glasses offer to surgeons new compositions with different bioactivity kinetic that bioglassÒ 45S6 and can be adaptable in some other bony pathology.

RELEVANCE OF SONOGRAPHIC ARTIFACTS OBSERVED DURING IN VITRO CHARACTERIZATION OF UROCYSTOLITH MINERAL COMPOSITION

2000 ◽  
Vol 41 (5) ◽  
pp. 438-446 ◽  
Author(s):  
Ralph C. Weichselbaum ◽  
Daniel A. Feeney ◽  
Carl R. Jessen ◽  
Carl A. Osborne ◽  
V. Dreytser ◽  
...  
Keyword(s):  
Mineral Composition ◽  
In Vitro Characterization

scholarly journals Effect of Hydrogen and Carbamide Peroxide in Bleaching, Enamel Morphology, and Mineral Composition: In vitro Study

2017 ◽  
Vol 18 (7) ◽  
pp. 576-582 ◽  
Author(s):  
Carmen Llena ◽  
Leopoldo Forner ◽  
Irene Esteve
Keyword(s):  
Mineral Composition ◽  
Laser Scanning ◽  
Morphological Changes ◽  
Treatment Protocol ◽  
Environmental Scanning Electron Microscopy ◽  
In Vitro Study ◽  
Confocal Laser ◽  
Carbamide Peroxide ◽  
Tooth Color

ABSTRACT Aim The aim of the study was to evaluate the bleaching effect, morphological changes, and variations in calcium (Ca) and phosphate (P) in the enamel with hydrogen peroxide (HP) and carbamide peroxide (CP) after the use of different application regimens. Materials and methods Four groups of five teeth were randomly assigned, according to the treatment protocol: HP 37.5% applied for 30 or 60 minutes (HP30, HP60), CP 16% applied for 14 or 28 hours (CP14, CP28). Changes in dental color were evaluated, according to the following formula: ΔE = [(La−Lb)2+(aa−ab)2 + (ba−bb)2]½. Enamel morphology and Ca and P compositions were evaluated by confocal laser scanning microscope and environmental scanning electron microscopy. Results ΔE HP30 was significantly greater than CP14 (10.37 ± 2.65/8.56 ± 1.40), but not between HP60 and CP28. HP60 shows greater morphological changes than HP30. No morphological changes were observed in the groups treated with CP. The reduction in Ca and P was significantly greater in HP60 than in CP28 (p < 0.05). Conclusion Both formulations improved tooth color; HP produced morphological changes and Ca and P a gradual decrease, while CP produced no morphological changes, and the decrease in mineral component was smaller. Clinical significance CP 16% applied during 2 weeks could be equally effective and safer for tooth whitening than to administer two treatment sessions with HP 37.5%. How to cite this article Llena C, Esteve I, Forner L. Effect of Hydrogen and Carbamide Peroxide in Bleaching, Enamel Morphology, and Mineral Composition: In vitro Study. J Contemp Dent Pract 2017;18(7):576-582.

Influence of nutrient medium mineral bases on the regeneration of some Clematis L varieties in vitro.

2021 ◽  
Author(s):  
A. V. Goncharov ◽  
◽  
D. A. Semenova ◽  
L. R. Ahmetova
Keyword(s):  
Mineral Composition ◽  
Nutrient Medium ◽  
Morphometric Parameters

The work is devoted to the study of the mineral composition influence on the microshoots regeneration of some valuable ornamental Clematis L. varieties. The highest values of morphometric parameters were obtained on the DKW nutrient medium.

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