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Št. zadetkov: 7
Can traditional artist's pigments hinder paint binder characterization using immunofluorescence microscopy?
Janez Kosel, Črtomir Tavzes, Klara Retko, Polonca Ropret
Izvirni znanstveni članek
Oznake: dediščinska znanost;mikroskopija;naravoslovne preiskave;pigmenti;cultural heritage;heritage science;artist's pigments;immunofluorescent microscopy;confocal fluorescent microscopy;antibodies;3D topography scans;
The aim of the study was to address the problematics of proteinous binder characterization, within a cross section of painted model samples, using immunofluorescence microscopy. Problems arise from certain pigments which can alter the epitope sites of target binders (lead white and verdigris) or can ...
Leto: 2023 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Identification of iron gall inks, logwood inks, and their mixtures using Raman spectroscopy, supplemented by reflection and transmission infrared spectroscopy
Klara Retko, Lea Legan, Janez Kosel, Polonca Ropret
Izvirni znanstveni članek
Oznake: črnilo;železna žolča;les;hlodovina;spektroskopija;naravoslovne preiskave;ink;iron gall;logwood;mixtures;raman spectroscopy;infrared spectroscopy;
Raman spectral references for various formulations of iron gall inks, logwood inks and mixtures of both types were acquired during this study. The samples, either liquid or dry inks and applied on paper, were analysed using a portable Raman spectrometer, both with 852 and 785 nm excitation lines, an ...
Leto: 2024 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Impact of accumulation of organic acids on the degradation of cellulose in historic paper
Ida Kraševec, Aleksander Kravos, Klara Retko, Irena Kralj Cigić, Matija Strlič, Hend Mahgoub
Izvirni znanstveni članek
Oznake: celuloza;kislost;oksalna kislina;Ramanska spektroskopija;znanost o dediščini;konserviranje;cellulose;acidity;oxalic acid;Raman spectroscopy;heritage science;conservation;
The acidity of historic paper, a property crucial for its preservation, is thought to mainly depend on the type of sizing. However, this research shows that during its degradation, paper acidity increases mainly due to the formation of non-volatile carboxylic acids, which accelerate acid-catalysed h ...
Leto: 2025 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Growth of xerophilic fungi on model paint samples on glass and wooden supports under low humidity conditions
Janez Kosel, Jakub Michal Sandak, Anna Malgorzata Sandak, Lea Legan, Klara Retko, Maša Kavčič, Črtomir Tavzes, Miklós Krész, Polonca Ropret
Objavljeni povzetek znanstvenega prispevka na konferenci
Oznake: Aspergillus;Penicillium;xerophilic fungi;pigments;
Leto: 2021 Vir: Univerza na Primorskem (UP)
Material characterisation of a painted beehive panel by advanced spectroscopic and chromatographic techniques in combination with hyperspectral imaging
Klara Retko, Maša Kavčič, Lea Legan, Polonca Ropret, Bojana Rogelj Škafar, Yingwang Gao, John R. Gilchrist, Matija Strlič, Irena Kralj Cigić
Izvirni znanstveni članek
Oznake: poslikane panjske končnice;kulturna dediščina;refleksijska FTIR spektroskopija;transmisijska FTIR spektroskopija;neinvazivna Ramanska spektroskopija;GC-MS analiza;hiperspektralno oslikovanje;painted beehive panels;cultural heritage;reflection FTIR spectroscopy;transmission FTIR spectroscopy;non-invasive Raman spectroscopy;GC-MS analysis;hyperspectral imaging;
In this study, a painted beehive panel from the collection of the Slovene Ethnographic Museum was examined with respect to its material composition with the aim to reveal the painting technique. Due to the state of degradation due to outdoor weathering (UV irradiation, rainfall, extreme temperature ...
Leto: 2020 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Characterization of heritage objects with NIR hyperspectral imaging
Polonca Ropret, Janez Kosel, Faksawat Poohphajai, Rene Herrera Diaz, Veerapandian Ponnuchamy, Nežka Sajinčič, Črtomir Tavzes, Jakub Michal Sandak, Anna Malgorzata Sandak, Lea Legan, Klara Retko, Maša Kavčič
Objavljeni povzetek znanstvenega prispevka na konferenci
Oznake: hyperspectral imaging;cultural heritage;painted beehive panels;
Leto: 2021 Vir: Repozitorij Univerze na Primorskem (RUP)
Nondestructive evaluation of heritage object coatings with four hyperspectral imaging systems
Jakub Michal Sandak, Rene Herrera Diaz, Veerapandian Ponnuchamy, Nežka Sajinčič, Oihana Gordobil, Črtomir Tavzes, Polonca Ropret, Anna Malgorzata Sandak, Lea Legan, Klara Retko, Maša Kavčič, Janez Kosel, Faksawat Poohphajai
Izvirni znanstveni članek
Oznake: hyperspectral imaging;cultural heritage;nondestructive testing;surface characterisation;painted beehive panels;
Leto: 2021 Vir: Repozitorij Univerze na Primorskem (RUP)
Št. zadetkov: 7
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