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Characterization of organic semiconductor thin layers by transient photocurrent spectroscopy
Nadiia Pastukhova, Egon Pavlica, Gvido Bratina, 2019, published scientific conference contribution abstract

Found in: ključnih besedah
Keywords: organic semiconductors, thin layers, spectroscopy
Published: 10.02.2020; Views: 918; Downloads: 0
.pdf Fulltext (626,90 KB)

A microbiome and metabolomic signature of phases of cutaneous healing identified by profiling sequential acute wounds of human skin: An exploratory study
Mohammed Ashrafi, Yun Xu, Howbeer Muhamadali, Iain R White, Maxim Wilkinson, Mohamed Baguneid, Roy Goodacre, Ardeshir Bayat, 2020, original scientific article

Abstract: Profiling skin microbiome and metabolome has been utilised to gain further insight into wound healing processes. The aims of this multi-part temporal study in 11 volunteers were to analytically profile the dynamic wound tissue and headspace metabolome and sequence microbial communities in acute wound healing at days 0, 7, 14, 21 and 28, and to investigate their relationship to wound healing, using non-invasive quantitative devices. Metabolites were obtained using tissue extraction, sorbent and polydimethylsiloxane patches and analysed using GCMS. PCA of wound tissue metabolome clearly separated time points with 10 metabolites of 346 being involved in separation. Analysis of variance-simultaneous component analysis identified a statistical difference between the wound headspace metabolome, sites (P = 0.0024) and time points (P<0.0001), with 10 out of the 129 metabolites measured involved with this separation between sites and time points. A reciprocal relationship between Staphylococcus spp. and Propionibacterium spp. was observed at day 21 (P<0.05) with a statistical correlation between collagen and Propionibacterium (r = 0.417; P = 0.038) and Staphylococcus (r = -0.434; P = 0.03). Procrustes analysis showed a statistically significant similarity between wound headspace and tissue metabolome with non-invasive wound devices. This exploratory study demonstrates the temporal and dynamic nature of acute wound metabolome and microbiome presenting a novel class of biomarkers that correspond to wound healing, with further confirmatory studies now necessary.
Found in: ključnih besedah
Keywords: metabolomics, skin, volatile organic compounds, VOCs, wound healing
Published: 03.03.2020; Views: 1014; Downloads: 0
.pdf Fulltext (2,45 MB)

Mediterranean Coastal Lagoons: The Importance of Monitoring in Sediments the Biochemical Composition of Organic Matter
Monia Renzi, Francesca Provenza, Sara Pignattelli, Lucrezia Cilenti, Antonietta Specchiulli, Milva Pepi, 2019, original scientific article

Abstract: Transitional water ecosystems are targeted by the European Union (EU) Water Framework Directive (WFD, CE 2000/60) monitoring programs in coastal zones. Concerning sediments, activities performed for the WFD focus on a few variables concerning the biochemical composition of organic matter. Our research reports the effects of oxygen availability on the biochemical composition of organic matter in sediments to highlight levels of targeted variables in time and, according to the depth of sediment layer, both under oxygenated and anoxic conditions in a mesocosm study on sediment cores. Results provide evidence that tested factors of interest (i.e., disturbance type, oxygenic versus anoxic conditions; persistence time of disturbance, 0–14 days; penetration through sedimentary layers, 0–10 cm depth) are able to significantly affect the biochemical composition of organic matter in sediments. Large part of the variables considered in this study (total organic carbon (TOC), total phosphorous (TP), total sulphur (TS), Fe, carbohydrates (CHO), total proteins (PRT), biopolymeric carbon (BPC), chlorophyll-a (Chl-a) are significantly affected and correlated to the oxygenation levels and could be good early indicators of important changes of environmental conditions. Monitoring activities performed under WFD guidelines and management strategies of Mediterranean coastal lagoon ecosystems shall include the biochemical composition of organic matter in sediment to provide an exhaustive picture of such dynamic ecosystems.
Found in: ključnih besedah
Keywords: decomposition, transitional water ecosystems, organic loads, mesocosm, monitoring programs
Published: 20.04.2020; Views: 719; Downloads: 0
.pdf Fulltext (2,22 MB)

Viologen-based conjugated covalent organic networks via Zincke reaction
Tina Škorjanc, Gobinda Das, original scientific article

Found in: ključnih besedah
Keywords: Zincke reaction, viologen, covalent organic frameworks, covalent organic polymers
Published: 02.09.2020; Views: 477; Downloads: 0
.pdf Fulltext (7,35 MB)

Highly efficient carcinogenic bromate removal from water by a cationic covalent organic framework
Ali Trabolsi, Liaqat Ali, Felipe Gandara, Dinesh Shetty, Tina Skorjanc, 2019, published scientific conference contribution abstract

Found in: ključnih besedah
Keywords: bromate, covalent organic frameworks, Zincke reaction, adsorption, water purification
Published: 03.09.2020; Views: 519; Downloads: 0
.pdf Fulltext (316,24 KB)

Episode 4: Toxic bromate removed from drinking water
Dinesh Shetty, Tina Skorjanc, 2020, radio or television event

Found in: ključnih besedah
Keywords: bromate, covalent organic framework, water purification
Published: 03.09.2020; Views: 500; Downloads: 0
.pdf Fulltext (948,77 KB)

Covalent organic frameworks for biomedical and environmental applications
Tina Skorjanc, invited lecture at foreign university

Found in: ključnih besedah
Keywords: pollutant removal, covalent organic polymers, drug delivery, imaging
Published: 03.09.2020; Views: 540; Downloads: 0
.pdf Fulltext (22,29 KB)

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