Zobrazeno 1 - 10
of 251
pro vyhledávání: '"Stelios Couris"'
Publikováno v:
Molecules, Vol 28, Iss 24, p 7960 (2023)
The adulteration of olive oil is a crucial matter for food safety authorities, global organizations, and consumers. To guarantee olive oil authenticity, the European Union (EU) has promoted the labeling of olive oils with the indices of Protected Des
Externí odkaz:
https://doaj.org/article/414e5d90c74d40dbb7439baaa21c3740
Autor:
Nikolaos Chazapis, Michalis Stavrou, Georgia Papaparaskeva, Alexander Bunge, Rodica Turcu, Theodora Krasia-Christoforou, Stelios Couris
Publikováno v:
Nanomaterials, Vol 13, Iss 14, p 2131 (2023)
The present work reports on the synthesis and characterization of iridium (Ir)-based nanohybrids with variable chemical compositions. More specifically, highly stable polyvinylpyrrolidone (PVP) nanohybrids of the PVP-IrO2 and PVP-Ir/IrO2 types, as we
Externí odkaz:
https://doaj.org/article/b74f00ed65e049e2b1fe8cad4c4c4140
Publikováno v:
Molecules, Vol 28, Iss 10, p 4200 (2023)
A nanocomposite based on silica-coated AuNRs with the aminated silica-covered spin-crossover nanoparticles (SCO NPs) of the 1D iron(II) coordination polymer with the formula [Fe(Htrz)2(trz)](BF4) is presented. For the synthesis of the SCO NPs, the re
Externí odkaz:
https://doaj.org/article/bb8f3d876010407092f281bf9092f28b
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Abstract Olive oil is a basic element of the Mediterranean diet and a key product for the economies of the Mediterranean countries. Thus, there is an added incentive in the olive oil business for fraud through practices like adulteration and mislabel
Externí odkaz:
https://doaj.org/article/6b5813d124a34393a78fc6086f0144dc
Publikováno v:
Nanomaterials, Vol 12, Iss 1, p 152 (2022)
In the present work the impact of in situ photoreduction, by means of ultraviolet (UV) irradiation, on the nonlinear optical response (NLO) of some graphene oxide (GO), fluorographene (GF), hydrogenated fluorographene (GFH) and graphene (G) dispersio
Externí odkaz:
https://doaj.org/article/38b588170462496ca91e8cc8d2fa2134
Autor:
Michalis Stavrou, Aristeidis Stathis, Ioannis Papadakis, Alina Lyuleeva-Husemann, Emmanouel Koudoumas, Stelios Couris
Publikováno v:
Nanomaterials, Vol 12, Iss 1, p 90 (2021)
The present work reports on the transient nonlinear optical (NLO) responses of two different types of 2D silicon nanosheets (SiNSs), namely hydride-terminated silicon nanosheets (SiNS–H) and 1-dodecene-functionalized silicon nanosheets (SiNS–dode
Externí odkaz:
https://doaj.org/article/8a50733bcc5b49cd83d5003c85975ff0
Publikováno v:
Molecules, Vol 26, Iss 16, p 4981 (2021)
Laser-Induced Breakdown Spectroscopy (LIBS), having reached a level of maturity during the last few years, is generally considered as a very powerful and efficient analytical tool, and it has been proposed for a broad range of applications, extending
Externí odkaz:
https://doaj.org/article/2402634b0ed5456597dcf79b7d238779
Autor:
Dimitrios Stefas, Nikolaos Gyftokostas, Panagiotis Kourelias, Eleni Nanou, Vasileios Kokkinos, Christos Bouras, Stelios Couris
Publikováno v:
Applied Sciences, Vol 11, Iss 14, p 6435 (2021)
In the present work, laser-induced breakdown spectroscopy, aided by some machine learning algorithms (i.e., linear discriminant analysis (LDA) and extremely randomized trees (ERT)), is used for the detection of honey adulteration with glucose syrup.
Externí odkaz:
https://doaj.org/article/c3b13660b6b64a3f932b3f6a4ff9edca
Autor:
Nikolaos Gyftokostas, Eleni Nanou, Dimitrios Stefas, Vasileios Kokkinos, Christos Bouras, Stelios Couris
Publikováno v:
Molecules, Vol 26, Iss 5, p 1241 (2021)
In the present work, the emission and the absorption spectra of numerous Greek olive oil samples and mixtures of them, obtained by two spectroscopic techniques, namely Laser-Induced Breakdown Spectroscopy (LIBS) and Absorption Spectroscopy, and aided
Externí odkaz:
https://doaj.org/article/9e35a84bb57a49779669c8c50718a633
Publikováno v:
Materials, Vol 14, Iss 3, p 541 (2021)
Laser-induced breakdown spectroscopy (LIBS) is used for the detection and determination of sulfur content in some organic soil samples. The most suitable sulfur spectral lines for such tasks were found to occur in the vacuum ultraviolet (VUV) spectra
Externí odkaz:
https://doaj.org/article/91ea30c90f3b41638ff0bdadbdcc02c6