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Ammonia-generating coatings : truly green / Steve McDaniel in EUROPEAN COATINGS JOURNAL (ECJ), N° 1 (01/2020)
[article]
Titre : Ammonia-generating coatings : truly green : Using cyanoacteria coatings to produce ammonia without the large energy overhead Type de document : texte imprimé Auteurs : Steve McDaniel, Auteur ; Brittney M. McInnis, Auteur ; Tyler W. Hodges, Auteur ; Lisa K. Kemp, Auteur Année de publication : 2020 Article en page(s) : p. 42-46 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Ammoniac
Chimie écologique
Cyanobactéries
Revêtements organiquesIndex. décimale : 667.9 Revêtements et enduits Résumé : The Haber-Bosch process for producing ammonia has an enor-mous carbon footprint and there have been calls for low-energy alternatives. Cyanobacteria-based coatings that release ammonia without the high energy overhead may be the answer. Note de contenu : - Experimental
- Coatings imbedded with cyanobacteria release ammonia
- MSX boosts ammonia release
- And so do high levels of ambient CO2
- A vision of the future
- Fig. 1 : Coatings loaded with low biomass levels of Anabaena sp. (A) and N. muscorum (B)
- Fig. 2 : Total ammonia washed from coatings loaded wihh low and high biomass levels as a function of coating surface area
- Fig. 3 : Chlorophyll a per coating area as a measure of tell growth in coatings over lime
- Fig. 4A : Quantification of ammonia washed from cyanobacteria-imbedded coatings standardised by biomass (chlorophyll a)
- Fig. 4B: Chlorophyll a content of coatings as a function of coating area
- Fig. 5A : Quantification of ammonia washed from N. muscorum-imbedded coatings incubated under ambient and high (1.5 %) CO, conditions
- Fig. 5B : Quantification of ammonia washed from Anabaena-imbedded coatings incubated under ambient or high (1.5 %) CO, conditions
- Fig. 6 : Diagram of coating lite cycle and products derived throughout the cycleEn ligne : https://drive.google.com/file/d/1ikVwqvM3WrDt7wNgEeU9pP0lKSaQtKDD/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33402
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 1 (01/2020) . - p. 42-46[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21439 - Périodique Bibliothèque principale Documentaires Disponible Proteins and peptides as replacements for traditional organic preservatives : Part I / Tyler W. Hodges in COATINGS TECH, Vol. 15, N° 4 (04/2018)
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Titre : Proteins and peptides as replacements for traditional organic preservatives : Part I Type de document : texte imprimé Auteurs : Tyler W. Hodges, Auteur ; Lisa K. Kemp, Auteur ; Brittney M. McInnis, Auteur ; Kyle L. Wilhelm, Auteur ; Jonathan D. Hurt, Auteur ; Steve McDaniel, Auteur ; James W. Rawlins, Auteur Année de publication : 2018 Article en page(s) : p. 44-50 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Additifs biosourcés
Antibactériens
Biomatériaux
Conservateurs (chimie) -- Suppression ou remplacement
Revêtements -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : The utility of a high-throughput, spectrophotometric assay in screening over 23 enzyme and peptide-based additives against bacterial coating spoilage agents was evaluated. Candidate additives were then evaluated using ASTM D2574 for in-can coating spoilage challenges, and additives that may be used to substitute for traditional biocides were identified that eliminated recoverable bacterial growth. Note de contenu : - Reagents and bacterial strains
- Measuring cell viability using XTT
- Coating challenges
- Table 1 : Bio-based additives tested in the XTT assay
- Table 2 : Bacteria used for XTT and in-can coating challenges - 3. Coating used for in-can ASTM D2574 bacterial challenges
- Fig. 1. Effects of various bio-based additives, alone and in combination, on the growth of a mixture in equal of A. faecalis, B. cereus, E. aerogenes, p. aeruginosa, p. fluorescens, and P. putida
- Fig. 2. Effects of various bio-based additives, alone and in combination with traditional chemical-based biocides, on the growth of a mixture in equal parts of A. faecalis, B. cereus, E. aerogenes, p. aeruginosa, p. fluorescens, and P. putida
- Fig. 3. Comparison of colony types present on plates from paint samples that scored 4 on day 7. Comparison of day 7 plates from the control acrylic latex samples (A) and acrylic latex + 0.05 mg/mL glucose oxidase + 2 mg/mL dextrose (B) shows that the paint with bio-based additive, though scorling 4 according to the ASTM guidelines, had at least one fewer colony type compared to the controlEn ligne : https://drive.google.com/file/d/1mlAEDD3RQVXuCMLrcz-E9cTDcX6cDyoO/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30519
in COATINGS TECH > Vol. 15, N° 4 (04/2018) . - p. 44-50[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 19857 - Périodique Bibliothèque principale Documentaires Disponible