Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Christakis A. Paraskeva"'
Autor:
Efstathia I. Pavlakou, Christine Lemonia, Emily Zouvani, Christakis A. Paraskeva, Petros G. Koutsoukos
Publikováno v:
Heritage, Vol 6, Iss 2, Pp 1148-1168 (2023)
Mortars, which are very important elements for the integrity of historic monuments, consist mainly of calcium carbonate and silicates in different proportions. Chemical dissolution due to exposure in open air is very important for the degradation of
Externí odkaz:
https://doaj.org/article/661896275bf2434d805a2c7f71b186de
Autor:
Efstathia I. Pavlakou, Anastasios G. Agrafiotis, Theokleiti G. Tsolaki, Christine Lemonia, Emily Zouvani, Christakis A. Paraskeva, Petros G. Koutsoukos
Publikováno v:
Heritage, Vol 4, Iss 4, Pp 3970-3986 (2021)
Marble and limestone have been extensively used as building materials in historical monuments. Environmental, physical, chemical and biological factors contribute to stone deterioration. The rehabilitation of stone damage and the delay of further det
Externí odkaz:
https://doaj.org/article/baaae3004b394516a8875be5251b4d7e
Autor:
Michael P. Kodjapashis, Andreas D. Zentelis, Dimitris P. Zagklis, Varvara Sygouni, Christakis A. Paraskeva
Publikováno v:
Separations, Vol 10, Iss 5, p 313 (2023)
Phenolic compounds are important secondary metabolites often found in nature, and most prominently in plants. Plant biomass residues can be a sustainable source of this high-added-value group of compounds that can be used in the food and cosmetics in
Externí odkaz:
https://doaj.org/article/a93fd8dfe8d843cdafd54e00b1361744
Autor:
Costas S. Papageorgiou, Stathis Lymberopoulos, Panagiotis Bakas, Dimitris P. Zagklis, Varvara Sygouni, Christakis A. Paraskeva
Publikováno v:
Membranes, Vol 12, Iss 11, p 1027 (2022)
Antioxidants isolated from plant materials, such as phenolics, have attracted a lot of attention because of their potential uses. This contributes to the idea of the biorefinery, which is a way to produce useful products from biomass waste. Olea euro
Externí odkaz:
https://doaj.org/article/ca401f7f041a4b9e85e90ba69b55f09c
Autor:
George E. Kapellos, Hermann J. Eberl, Nicolas Kalogerakis, Patrick S. Doyle, Christakis A. Paraskeva
Publikováno v:
Microorganisms, Vol 10, Iss 10, p 2020 (2022)
The interactions between marine bacteria and particulate matter play a pivotal role in the biogeochemical cycles of carbon and associated inorganic elements in the oceans. Eutrophic plumes typically form around nutrient-releasing particles and host i
Externí odkaz:
https://doaj.org/article/9c05a90d5e394f3794d6cef5e69d1638
Autor:
Costas S. Papageorgiou, Paraskevi Lyri, Ioanna Xintaropoulou, Ioannis Diamantopoulos, Dimitris P. Zagklis, Christakis A. Paraskeva
Publikováno v:
Antioxidants, Vol 11, Iss 6, p 1042 (2022)
The aim of the present study was to explore the high-yield production of hydroxytyrosol, a phenolic compound with very high antioxidant capacity. Olea europaea leaves were chosen as feedstock as they contain significant amounts of oleuropein, which c
Externí odkaz:
https://doaj.org/article/a628a0cd78c44c34b6c0917e5e865499
Autor:
Dimitris Zagklis, Fotios K. Katrivesis, Varvara Sygouni, Lamprini Tsarouchi, Konstantina Tsigkou, Michael Kornaros, Christakis A. Paraskeva
Publikováno v:
Membranes, Vol 11, Iss 9, p 663 (2021)
Fresh water shortages affect larger areas each year due to the increased human population combined with climate change. Reuse of treated sewage water (mostly for nonpotable uses) can have a significant impact on reducing water scarcity. Ultrafiltrati
Externí odkaz:
https://doaj.org/article/ea15ebf1bbd84a228f84f9cfe76a97d0
Publikováno v:
Journal of Marine Science and Engineering, Vol 9, Iss 2, p 203 (2021)
Surface-water treatment plants use the flocculation–precipitation method followed by gravity filters to remove suspended solids. In the present work, the replacement of gravity filters with ultrafiltration membrane units is suggested to improve the
Externí odkaz:
https://doaj.org/article/66f85c6a6b474cfbb12cddd9dd6a1c1e
Autor:
Varvara Sygouni, Alexis G. Pantziaros, Iakovos C. Iakovides, Evangelia Sfetsa, Polychronia I. Bogdou, Emilia A. Christoforou, Christakis A. Paraskeva
Publikováno v:
Membranes, Vol 9, Iss 2, p 27 (2019)
The semi-solid wastes (pomace or alperujo) produced in the two-phase olive oil extraction process contains extremely high organic load and phenolic substances. Efficient treatment of such kinds of wastes using membrane filtration, should be sought to
Externí odkaz:
https://doaj.org/article/272c74fd33194038a7448e77a2d8e82a
Publikováno v:
Bioengineering, Vol 5, Iss 1, p 15 (2018)
In the aftermath of oil spills in the sea, clouds of droplets drift into the seawater column and are carried away by sea currents. The fate of the drifting droplets is determined by natural attenuation processes, mainly dissolution into the seawater
Externí odkaz:
https://doaj.org/article/484d97854b2f4c96a0f8b774f2164504