Results 1 to 10 of about 62,656 (247)

Development of a Point-of-Care System Based on White Light Reflectance Spectroscopy: Application in CRP Determination [PDF]

Biosensors, 2021
The development of methods and miniaturized systems for fast and reliable quantitative determinations at the Point-of-Care is a top challenge and priority in diagnostics.
Dimitra Tsounidi, Georgios Koukouvinos, Vasilios Christianidis, Evangelia Legaki, Vasiliki Giogli, Konstantina Panagiotopoulou, Styliani Taka, Zoi Ekaterinidi, Sotirios Kakabakos, Ioannis Raptis, Panagiota Petrou   +10 more
doaj   +7 more sources

Development and Bioanalytical Applications of a White Light Reflectance Spectroscopy Label-Free Sensing Platform [PDF]

Biosensors, 2017
The development of a sensing platform based on white light reflectance spectroscopy (WLRS) is presented. The evolution of the system, from polymer film characterization and sensing of volatile organic compounds to biosensor for the label-free ...
Georgios Koukouvinos, Panagiota Petrou, Dimitrios Goustouridis, Konstantinos Misiakos, Sotirios Kakabakos, Ioannis Raptis   +5 more
doaj   +6 more sources

Fast and Accurate Determination of Minute Ochratoxin A Levels in Cereal Flours and Wine with the Label-Free White Light Reflectance Spectroscopy Biosensing Platform [PDF]

Biosensors, 2022
Ochratoxin A (OTA) is one of the most toxic naturally encountered contaminants and is found in a variety of foods and beverages, including cereals and wine.
Chrysoula-Evangelia Karachaliou, Georgios Koukouvinos, Grigoris Zisis, Dimosthenis Kizis, Evangelia Krystalli, George Siragakis, Dimitris Goustouridis, Sotirios Kakabakos, Panagiota Petrou, Evangelia Livaniou, Ioannis Raptis   +10 more
doaj   +6 more sources

Fast and Sensitive Determination of the Fungicide Carbendazim in Fruit Juices with an Immunosensor Based on White Light Reflectance Spectroscopy [PDF]

Biosensors, 2021
Carbendazim is a systemic benzimidazole-type fungicide with broad-spectrum activity against fungi that undermine food products safety and quality. Despite its effectiveness, carbendazim constitutes a major environmental pollutant, being hazardous to both
Georgios Koukouvinos, Chrysoula-Evangelia Karachaliou, Ioannis Raptis, Panagiota Petrou, Evangelia Livaniou, Sotirios Kakabakos   +5 more
doaj   +7 more sources

Rapid Detection of Salmonella typhimurium in Drinking Water by a White Light Reflectance Spectroscopy Immunosensor [PDF]

Sensors, 2021
Biosensors represent an attractive approach for fast bacteria detection. Here, we present an optical biosensor for the detection of Salmonella typhimurium lipopolysaccharide (LPS) and Salmonella bacteria in drinking water, based on white light ...
Michailia Angelopoulou, Konstantina Tzialla, Angeliki Voulgari, Mary Dikeoulia, Ioannis Raptis, Sotirios Elias Kakabakos, Panagiota Petrou   +6 more
doaj   +5 more sources

Fast Deoxynivalenol Determination in Cereals Using a White Light Reflectance Spectroscopy Immunosensor [PDF]

Biosensors, 2020
Deoxynivalenol (DON) is a mycotoxin produced by certain Fusarium species and found in a high percentage of wheat and maize grains cultured worldwide. Although not so toxic as other mycotoxins, it exhibits both chronic and acute toxicity, and therefore ...
Vasileios Anastasiadis, Ioannis Raptis, Anastasios Economou, Sotirios E. Kakabakos, Panagiota S. Petrou   +4 more
doaj   +6 more sources

Recent Developments in the Field of Optical Immunosensors Focusing on a Label-Free, White Light Reflectance Spectroscopy-Based Immunosensing Platform [PDF]

Sensors, 2022
Optical immunosensors represent a research field of continuously increasing interest due to their unique features, which can mainly be attributed to the high-affinity and specific antibodies they use as biorecognition elements, combined with the ...
Chrysoula-Evangelia Karachaliou, Georgios Koukouvinos, Dimitrios Goustouridis, Ioannis Raptis, Sotirios Kakabakos, Evangelia Livaniou, Panagiota Petrou   +6 more
doaj   +4 more sources

Design of a Multimodal Imaging System and Its First Application to Distinguish Grey and White Matter of Brain Tissue. A Proof-of-Concept-Study

Applied Sciences, 2021
Multimodal imaging gains increasing popularity for biomedical applications. This article presents the design of a novel multimodal imaging system. The centerpiece is a light microscope operating in the incident and transmitted light mode.
Annabell Heintz, Sebastian Sold, Felix Wühler, Julia Dyckow, Lucas Schirmer, Thomas Beuermann, Matthias Rädle   +6 more
doaj   +1 more source

On the optical properties of monoclinic Na3AlF6 and Na3AlF6:Mn4+

Optical Materials: X, 2023
Mn4+ activated luminescent materials have attracted much attention as colour converters for light sources and displays. In particular, alkali metal hexafluorometallates, such as K2SiF6:Mn4+ or K2TiF6:Mn4+, emit light in the red spectral region if pumped ...
Thomas Jansen, David Böhnisch, Florian Baur, Thomas Jüstel   +3 more
doaj   +1 more source

Highly Accurate Determination of Heterogeneously Stacked Van-der-Waals Materials by Optical Microspectroscopy [PDF]

, 2020
The composition of Van-der-Waals heterostructures is conclusively determined using a hybrid evaluation scheme of data acquired by optical microspectroscopy. This scheme deploys a parameter set comprising both change in reflectance and wavelength shift of
Fritsch, Birk, Hutzler, Andreas, Jank, Michael P. M., Matthus, Christian D., Rommel, Mathias   +4 more
core   +3 more sources