Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Grigorios Raptopoulos"'
Publikováno v:
Gels, Vol 9, Iss 3, p 211 (2023)
The removal of radionuclide/radioactivity from laboratory and environmental water samples under ambient conditions was investigated via batch-type experiments using polyurea-crosslinked calcium alginate (X-alginate) aerogels. Water samples were conta
Externí odkaz:
https://doaj.org/article/fba01552ed5e4ae58abde108f743134a
Autor:
Efthalia Georgiou, Grigorios Raptopoulos, Ioannis Anastopoulos, Dimitrios A. Giannakoudakis, Michael Arkas, Patrina Paraskevopoulou, Ioannis Pashalidis
Publikováno v:
Nanomaterials, Vol 13, Iss 2, p 363 (2023)
Aerogels are a class of lightweight, nanoporous, and nanostructured materials with diverse chemical compositions and a huge potential for applications in a broad spectrum of fields. This has led the IUPAC to include them in the top ten emerging techn
Externí odkaz:
https://doaj.org/article/aa9261d6f2a843adb6ab1f2e1604405a
Publikováno v:
Gels, Vol 8, Iss 8, p 478 (2022)
The removal of polyvalent metal ions Eu(III) and Th(IV) from aqueous solutions using polyurea-crosslinked calcium alginate (X-alginate) aerogels has been investigated by batch-type experiments under ambient conditions and pH 3. The material presents
Externí odkaz:
https://doaj.org/article/4823d6899b8f4e0f97e53b1f176d20c6
Autor:
Grigorios Raptopoulos, Ioannis Choinopoulos, Filippos Kontoes-Georgoudakis, Patrina Paraskevopoulou
Publikováno v:
Polymers, Vol 14, Iss 6, p 1254 (2022)
Τhis work describes the synthesis of PLA-grafted M-alginate (g-M-alginate; M: Ca2+, Co2+, Ni2+, Cu2+) aerogels. DL-lactide (LA) was attached on the surface of preformed M-alginate beads and was polymerized, using stannous octoate as catalyst and the
Externí odkaz:
https://doaj.org/article/836ebbb2b0ed4289a33aa4e762914512
Autor:
Sagar Ghimire, Martina Rodriguez Sala, Swetha Chandrasekaran, Grigorios Raptopoulos, Marcus Worsley, Patrina Paraskevopoulou, Nicholas Leventis, Firouzeh Sabri
Publikováno v:
Polymers, Vol 14, Iss 4, p 722 (2022)
Medical implants are routinely tracked and monitored using different techniques, such as MRI, X-ray, and ultrasound. Due to the need for ionizing radiation, the two former methods pose a significant risk to tissue. Ultrasound imaging, however, is non
Externí odkaz:
https://doaj.org/article/aeaf4e72b9654027b5ad3217a47ce558
Autor:
Nikolaos Samartzis, Michail Athanasiou, Grigorios Raptopoulos, Patrina Paraskevopoulou, Theophilos Ioannides
Publikováno v:
ChemNanoMat.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b2014e29e0dbb29f3475d5b1518f95b
https://doi.org/10.1002/cnma.202300028
https://doi.org/10.1002/cnma.202300028
Autor:
Patrina Paraskevopoulou, Grigorios Raptopoulos, Faidra Leontaridou, Maria Papastergiou, Aikaterini Sakellari, Sotirios Karavoltsos
Publikováno v:
Gels, Vol 7, Iss 1, p 27 (2021)
Polyurea-crosslinked Ca-alginate (X-Ca-alginate) aerogel beads (diameter: 3.3 mm) were evaluated as adsorbents of metal ions, organic solvents, and oils. They were prepared via reaction of an aromatic triisocyanate (Desmodur RE) with pre-formed Ca-al
Externí odkaz:
https://doaj.org/article/d34535330e0f42ac96982045a744a2fc
Autor:
Efthalia Georgiou, Grigorios Raptopoulos, Maria Papastergiou, Patrina Paraskevopoulou, Ioannis Pashalidis
Publikováno v:
ACS Applied Polymer Materials. 4:920-928
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79003e950791abdcba63945bf5c3b584
https://doi.org/10.1021/acsapm.1c01400
https://doi.org/10.1021/acsapm.1c01400
Autor:
Despoina Chriti, Alexios Grigoropoulos, Grigorios Raptopoulos, Georgios Charalambidis, Vasilis Nikolaou, Athanassios G. Coutsolelos, Marinos Pitsikalis, Konstantinos Mertis, Patrina Paraskevopoulou
Publikováno v:
Polymers, Vol 7, Iss 12, Pp 2611-2624 (2015)
The reactivity of the bimetallic complex (Ph4P)2[W2(μ-Br)3Br6] ({W 2.5 W}7+, a′2e3) towards ring opening metathesis polymerization (ROMP) of norbornene (NBE) and some of its derivatives, as well as the mechanistically related metathesis polymeriza
Externí odkaz:
https://doaj.org/article/6a47f2dbb72f499cbe8dfcc803a200c7
Autor:
Nikolaos Saragas, Georgios Floros, Grigorios Raptopoulos, Marinos Pitsikalis, Patrina Paraskevopoulou, Konstantinos Mertis
Publikováno v:
Molecules, Vol 20, Iss 12, Pp 21896-21908 (2015)
The bimetallic compound Na[W2(μ-Cl)3Cl4(THF)2]·(THF)3 (1, {W 3 W}6+, a′2e′4) is a highly efficient room-temperature initiator for ring opening metathesis polymerization (ROMP) of norbornene (NBE) and some of its derivatives. In most cases, addi
Externí odkaz:
https://doaj.org/article/0c8ae0acb3f64cf8a142c7829c9549f2