Skip to Content

803 Results Found

  • Article
  • Open Access
11 Citations
2,764 Views
12 Pages

25 February 2021

Micro-Fourier transform infrared (micro-FTIR) spectroscopy was used to correlate the surface chemistry of low rank coal with hydrophobicity. Six square areas without mineral impurities on low rank coal surfaces were selected as testing areas. A speci...

  • Article
  • Open Access
7 Citations
3,963 Views
13 Pages

Study of a Late Bronze Age Casting Mould and Its Black Residue by 3D Imaging, pXRF, SEM-EDS, Micro-FTIR and Micro-Raman

  • Elin Figueiredo,
  • Carlo Bottaini,
  • Catarina Miguel,
  • Aaron Lackinger,
  • José Mirão and
  • Beatriz Comendador Rey

30 September 2021

In the present work, a fragment of a stone mould recently found in Galicia (NW Spain) was studied by multiple analytical techniques approach involving 3D optical imaging reconstruction to obtain data about the shape of the mould, typology of artefact...

  • Review
  • Open Access
365 Citations
36,800 Views
28 Pages

Applications of Micro-Fourier Transform Infrared Spectroscopy (FTIR) in the Geological Sciences—A Review

  • Yanyan Chen,
  • Caineng Zou,
  • Maria Mastalerz,
  • Suyun Hu,
  • Carley Gasaway and
  • Xiaowan Tao

18 December 2015

Fourier transform infrared spectroscopy (FTIR) can provide crucial information on the molecular structure of organic and inorganic components and has been used extensively for chemical characterization of geological samples in the past few decades. I...

  • Article
  • Open Access
5 Citations
3,418 Views
13 Pages

Quantification of Microplastics in Plastic-Bottled Chinese Baijiu Using Micro-FTIR in Imaging Mode

  • Xuejun Zhou,
  • Qian Wang,
  • Jin Wang,
  • Hongyan Li,
  • Jiefang Ren and
  • Shali Tang

10 October 2023

Microplastics (MPs) are prevalent in our environment, being present in the air we breathe and in the food we consume. Due to the widespread use of plastic materials in everyday life, the amount of microplastics being released into the biosphere has b...

  • Article
  • Open Access
3 Citations
1,384 Views
22 Pages

A Domain-Adaptive Deep Learning Approach for Microplastic Classification

  • Max Barker,
  • Tanmay Singha,
  • Meg Willans,
  • Mark Hackett and
  • Duc-Son Pham

Microplastics pose a growing environmental concern, necessitating accurate and scalable methods for their detection and classification. This study presents a novel deep learning framework that integrates a transformer-based architecture with domain a...

  • Article
  • Open Access
13 Citations
3,175 Views
15 Pages

Determination of the Conservation State of Some Documents Written on Cellulosic Support in the Poni-Cernătescu Museum, Iași City in Romania

  • Oana Florescu,
  • Robert Hrițac,
  • Maria Haulică,
  • Ion Sandu,
  • Ioana Stănculescu and
  • Viorica Vasilache

18 September 2021

An important step in the conservation of old paper documents is the analysis of both the medium and the ink, in an attempt first to determine the extent of deterioration and degradation and then to choose the best preservation and restoration solutio...

  • Article
  • Open Access
3 Citations
2,987 Views
13 Pages

A Non-Conventional Platinum Drug against a Non-Small Cell Lung Cancer Line

  • Jéssica D. Silva,
  • Joana Marques,
  • Inês P. Santos,
  • Ana L. M. Batista de Carvalho,
  • Clara B. Martins,
  • Raquel C. Laginha,
  • Luís A. E. Batista de Carvalho and
  • Maria Paula M. Marques

10 February 2023

A dinuclear Pt(II) complex with putrescine as bridging polyamine ligand ([Pt2Put2(NH3)4]Cl4) was synthesized and assessed as to its potential anticancer activity against a human non-small cell lung cancer line (A549), as well as towards non-cancer ce...

  • Article
  • Open Access
9 Citations
14,589 Views
16 Pages

Authentication of an Old Violin by Multianalytical Methods

  • Ion Sandu,
  • Petru Ovidiu Tanasa,
  • Irina Crina Anca Sandu,
  • Ioan Cristinel Negru,
  • Andrei Victor Sandu and
  • Viorica Vasilache

31 December 2019

The paper presents the authentication of a Stradivari 1737 type violin, which belonged to the Romanian scientist Ştefan Odobleja. The analytical methods used in the study for assessing archaeometric characteristics of some component materials, along...

  • Article
  • Open Access
6 Citations
2,623 Views
21 Pages

Potential Health Risk of Microplastic Exposures from Skin-Cleansing Products

  • Raluca Maria Bucur (Popa),
  • Cristiana Radulescu,
  • Ioana Daniela Dulama,
  • Raluca Maria Stirbescu,
  • Ioan Alin Bucurica,
  • Andreea Laura Banica and
  • Sorina Geanina Stanescu

29 April 2025

This research aims to investigate and quantify the possible presence of microplastics (MPs) in usual skin-cleansing products (i.e., liquid soap, micellar water, and micellar cleansing oil), the most popular from the market in terms of brand and custo...

  • Article
  • Open Access
2,153 Views
15 Pages

Microplastics in Inland Saline Lakes of the Central Ebro Basin, NE Spain

  • Katia Hueso-Kortekaas,
  • Noemí Delgado-Mellado,
  • Javier Calzada-Funes,
  • Carlos Sanchez-Mata,
  • Carmen Castañeda and
  • María del Mar Cledera-Castro

28 March 2025

Saline lakes are rare and fragile habitats with a high conservation and scientific interest. We have studied the presence of microplastics (MPs) in the water of four inland saline lakes located in the Central Ebro Basin (CEB), NE Spain. Quantificatio...

  • Article
  • Open Access
10 Citations
3,542 Views
21 Pages

The Global Spread of Microplastics: Contamination in Mussels, Clams, and Crustaceans from World Markets

  • Tamara Mutić,
  • Jelena Mutić,
  • Miloš Ilić,
  • Vesna Jovanović,
  • Jelena Aćimović,
  • Boban Andjelković,
  • Dragana Stanić-Vucinić,
  • Maria Krishna de Guzman,
  • Mirjana Andjelkovic and
  • Tanja Cirkovic Velickovic
  • + 1 author

26 November 2024

Analysis of microplastic (MP) occurrence in commercially relevant species is a prerequisite for food risk assessment. Using a standardized methodology, we aimed to investigate MP contamination in point-of-sale clams, mussels, and Crustacea shellfish...

  • Article
  • Open Access
1 Citations
339 Views
22 Pages

22 January 2026

Cleaning historical silk textiles is a particularly sensitive operation that requires precise control to prevent mechanical or chemical damage. In this study, we investigate using flexible PVA–borax-based gels to remove soot from silk, i.e., po...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,029 Views
13 Pages

18 September 2024

Microplastics (MPs) contribute to the overall pollution of water sources, affecting not only aquatic ecosystems but also water for human consumption (WHC). Currently, there needs to be a global consensus on safe levels of microplastics in WHC, which...

  • Feature Paper
  • Article
  • Open Access
9 Citations
4,082 Views
18 Pages

Quantification and Chemical Characterization of Plastic Additives and Small Microplastics (<100 μm) in Highway Road Dust

  • Beatrice Rosso,
  • Barbara Bravo,
  • Elena Gregoris,
  • Carlo Barbante,
  • Andrea Gambaro and
  • Fabiana Corami

17 November 2023

Road dust is one of the environment’s most important microplastic and plastic additive sources. Traffic vehicles and the wear of tires can release these emerging contaminants, which can be resuspended in the air and washed off by stormwater run...

  • Article
  • Open Access
365 Views
29 Pages

Identification, Quantification, and Characterization of Microplastics in Skincare and Treatment Creams: A Potential Health Concern Related to the Exposure Pathway

  • Raluca Maria Stirbescu,
  • Cristiana Radulescu,
  • Raluca Maria Bucur (Popa),
  • Andreea Laura Banica,
  • Ioan Alin Bucurica and
  • Ioana Daniela Dulama

22 February 2026

This research aimed to quantify and investigate the morphology of microplastics in skincare and treatment creams related to their chemical composition and the potential risks to human health associated with exposure to microplastics by dermal contact...

  • Article
  • Open Access
162 Views
17 Pages

Addressing the Preservation State and Weathering Products of an Ancient Glass Bead Collection (IV-I c. BC) by Micro-FTIR Spectroscopy

  • Suset Barroso-Solares,
  • Ulrich Schade,
  • Ljiljana Puskar,
  • Elvira Rodriguez-Gutierrez,
  • A. Carmelo Prieto,
  • Carlos Sanz-Minguez and
  • Javier Pinto

27 February 2026

Archeological glass has attracted significant attention in recent years. Its archaeometric study has proven to provide remarkable insights into technological development and relationships among ancient cultures. Thus, ancient glass remains have been...

  • Article
  • Open Access
18 Citations
4,406 Views
18 Pages

Study of the Spatio-Chemical Heterogeneity of Tannin-Furanic Foams: From 1D FTIR Spectroscopy to 3D FTIR Micro-Computed Tomography

  • Nicola Cefarin,
  • Diana E. Bedolla,
  • Artur Surowka,
  • Sandro Donato,
  • Thomas Sepperer,
  • Gianluca Tondi,
  • Diego Dreossi,
  • Nicola Sodini,
  • Giovanni Birarda and
  • Lisa Vaccari

28 November 2021

Tannin-furanic rigid foams are bio-based copolymers of tannin plant extract and furfuryl alcohol, promising candidates to replace synthetic insulation foams, as for example polyurethanes and phenolics, in eco-sustainable buildings thanks to their fun...

  • Article
  • Open Access
4 Citations
3,467 Views
14 Pages

Microanalytical Characterization of an Innovative Modern Mural Painting Technique by SEM-EDS, NMR and Micro-ATR-FTIR among Others

  • Pablo Aguilar-Rodríguez,
  • Sandra Zetina,
  • Adrián Mejía-González and
  • Nuria Esturau-Escofet

5 January 2023

During the 20th century, modern painters experimented with different mediums and painting techniques, one of them was Rafael Coronel in his mural painting, Paisaje Abstracto (Abstract landscape). The painting was created with a peculiar pouring techn...

  • Article
  • Open Access
59 Citations
5,749 Views
12 Pages

30 March 2021

The objective of this study was to synthesize and assess unfilled and filled (silica nanoparticles) dentin adhesive polymer. Methods encompassing scanning electron microscopy (SEM)—namely, energy dispersive X-ray spectroscopy (EDX), micro-tensile bon...

  • Article
  • Open Access
3 Citations
2,973 Views
15 Pages

14 September 2022

The paleo-environmental setting of an organic-rich shale remains an essential controlling factor for shale reservoir distribution. The scarcity of generalised data on paleo-environment settings has been spurred using a simple investigative approach t...

  • Article
  • Open Access
3 Citations
1,875 Views
17 Pages

Using MA-rFTIR Mapping as a Tool to Assess the Efficacy of Cleaning Treatments and to Aid in the Restoration Activities of Paintings

  • Lucilla Pronti,
  • Martina Romani,
  • Marcella Ioele,
  • Gloria Tranquilli,
  • Francesca Fumelli,
  • Serena Sechi,
  • Angelica Donati,
  • Elena Cianca,
  • Ilaria Sinceri and
  • Mariangela Cestelli Guidi

19 April 2024

The removal of non-original superimposed layers covering the original pictorial layer in paintings is a common practice to restore the authentic appearance of surfaces and mitigate potential risks to artwork preservation. Contemporary assessments of...

  • Article
  • Open Access
47 Citations
5,459 Views
13 Pages

19 February 2022

As a new type of pollutant, microplastics widely exist in the marine environment and have attracted a lot of attention from the international community. In order to study the distribution of microplastics and the influence of ocean current, microplas...

  • Article
  • Open Access
7 Citations
3,424 Views
17 Pages

Variations in the Vascular Bundle and Fiber Structure during the Stem Development of Rattan (Calamus caesius Blume)

  • Linpeng Yu,
  • Kangjian Zhang,
  • Fukuan Dai,
  • Zehui Jiang,
  • Yuxuan Chen,
  • Youhong Wang and
  • Genlin Tian

22 November 2023

Calamus caesius is one of the most well-known commercial climbing palm species across the world. A comprehensive understanding of the growth-dependent variation in microstructure and polymer distribution can provide fundamental information to guide i...

  • Article
  • Open Access
19 Citations
5,675 Views
26 Pages

Microplastics, Polycyclic Aromatic Hydrocarbons, and Heavy Metals in Milk: Analyses and Induced Health Risk Assessment

  • Andreea Laura Banica,
  • Cristiana Radulescu,
  • Ioana Daniela Dulama,
  • Ioan Alin Bucurica,
  • Raluca Maria Stirbescu and
  • Sorina Geanina Stanescu

26 September 2024

The current study aims to develop isolation protocols for several contaminants of emerging concern (i.e., microplastics (MPs), polycyclic aromatic hydrocarbons (PAHs), and heavy metals (HMs)) from different commercial brands and raw milk samples and...

  • Communication
  • Open Access
56 Citations
6,061 Views
9 Pages

Microplastics Occurrence in the European Common Frog (Rana temporaria) from Cottian Alps (Northwest Italy)

  • Paolo Pastorino,
  • Marino Prearo,
  • Alessia Di Blasio,
  • Damià Barcelò,
  • Serena Anselmi,
  • Silvia Colussi,
  • Silvia Alberti,
  • Giovanni Tedde,
  • Alessandro Dondo and
  • Monia Renzi
  • + 2 authors

19 January 2022

Microplastics (MPs) pollution is arousing growing attention, yet knowledge about its occurrence in amphibians is scant to date. With this study, we aimed to determine whether plastic (>5000 μm) and MPs (10–5000 μm) could be detected in...

  • Article
  • Open Access
6 Citations
3,170 Views
12 Pages

Violin Varnishes: Microstructure and Nanomechanical Analysis

  • Marianne Odlyha,
  • Jeannette J. Lucejko,
  • Anna Lluveras-Tenorio,
  • Francesca di Girolamo,
  • Stephen Hudziak,
  • Adam Strange,
  • Alexandra Bridarolli,
  • Laurent Bozec and
  • Maria Perla Colombini

27 September 2022

The aim of the current work is twofold: to demonstrate the application of in situ non-invasive imaging by portable atomic force microscopy (AFM) on the surfaces of a violin and to integrate compositional and mechanical analysis at the nano scale leve...

  • Article
  • Open Access
60 Citations
6,249 Views
15 Pages

10 December 2020

An experimental adhesive incorporated with different nano-hydroxyapatite (n-HA) particle concentrations was synthesized and analyzed for dentin interaction, micro-tensile bond strength (μTBS), and degree of conversion (DC). n-HA powder (5 wt % and...

  • Article
  • Open Access
8 Citations
2,468 Views
10 Pages

21 October 2021

Fourier transform infrared (FTIR) micro-spectroscopy has been attracting the interest of many cytologists and histopathologists for several years. This is related to the possibility of FTIR translation in the clinical diagnostic field. In fact, FTIR...

  • Article
  • Open Access
10 Citations
13,340 Views
12 Pages

The hair is composed of the cuticle (the outermost surface), cortex (its major part), and medulla (in the hair center). The lipid content of the medulla of Caucasian hair is relatively higher than that of African-American hair. However, the types of...

  • Article
  • Open Access
11 Citations
5,802 Views
10 Pages

The “oro di metà” Gilding in the Fifteenth-Century: A Multi-Analytical Investigation

  • Iacopo Osticioli,
  • Laura Capozzoli,
  • Barbara Salvadori,
  • Martina Banchelli,
  • Alessandro Lavacchi,
  • Paolo Matteini,
  • Salvatore Siano and
  • Loredana Gallo

18 April 2019

Few and fragmentary is the information regarding the “oro di metà” (halfway gold) gilding due to the low probability of finding it in paintings as well as its short durability because of tarnishing. However, the very rare, excellen...

  • Article
  • Open Access
41 Citations
10,140 Views
10 Pages

20 April 2022

With the rapid development and popularization of the internet and smartphone industry for ordering and delivery, the consumption of takeaway food is increasing globally, especially in China. However, there is little information about microplastics in...

  • Feature Paper
  • Article
  • Open Access
6 Citations
2,839 Views
9 Pages

10 December 2020

In recent years, Fourier Transform Infrared (FTIR) micro-spectroscopy has shown promising potential in medical diagnostics at the cellular level. In fact, FTIR spectra can provide information related to DNA, protein, and lipid content and how such a...

  • Feature Paper
  • Article
  • Open Access
32 Citations
8,307 Views
23 Pages

28 August 2023

In the last decade, plastic waste has become one of the main threats to marine ecosystems and their biodiversity due to its abundance and increased persistence. Microplastics can be classified as either primary, i.e., fabricated for commercial use, o...

  • Article
  • Open Access
7 Citations
4,373 Views
22 Pages

Microfabrication Process Development for a Polymer-Based Lab-on-Chip Concept Applied in Attenuated Total Reflection Fourier Transform Infrared Spectroelectrochemistry

  • Noah Atkinson,
  • Tyler A. Morhart,
  • Garth Wells,
  • Grace T. Flaman,
  • Eric Petro,
  • Stuart Read,
  • Scott M. Rosendahl,
  • Ian J. Burgess and
  • Sven Achenbach

8 July 2023

Micro electro-mechanical systems (MEMS) combining sensing and microfluidics functionalities, as are common in Lab-on-Chip (LoC) devices, are increasingly based on polymers. Benefits of polymers include tunable material properties, the possibility of...

  • Article
  • Open Access
23 Citations
5,412 Views
21 Pages

Application of Functional Data Analysis and FTIR-ATR Spectroscopy to Discriminate Wine Spirits Ageing Technologies

  • Ofélia Anjos,
  • Miguel Martínez Comesaña,
  • Ilda Caldeira,
  • Soraia Inês Pedro,
  • Pablo Eguía Oller and
  • Sara Canas

Fourier transform infrared spectroscopy (FTIR) with Attenuated Total Reflection (ATR) combined with functional data analysis (FDA) was applied to differentiate aged wine spirits according to the ageing technology (traditional using 250 L wooden barre...

  • Article
  • Open Access
7 Citations
3,650 Views
19 Pages

Biodeterioration Assessment of a Unique Old Pharaonic Kingdom Wooden Statue Using Advanced Diagnostic Techniques

  • Dina M. Atwa,
  • Shimaa Ibrahim,
  • Chiaramaria Stani,
  • Giovanni Birarda,
  • Nehal Ali,
  • Emam Abdullah,
  • Lisa Vaccari,
  • Paola Grenni,
  • Andrea Visca and
  • Wafaa Soliman
  • + 1 author

12 July 2022

A recently discovered Egyptian wooden statue of King Djedefre was studied together with some surrounding burial soil samples for assessing the statue biodeterioration. The wooden morphological characterisation identified the hardwood Acacia nilotica...

  • Article
  • Open Access
2 Citations
3,928 Views
15 Pages

Study of the Materials and Techniques of a Rare Papier-Mâché Mushroom Model Crafted in H. Arnoldi Factory

  • Maria J. Melo,
  • Ana Freitas,
  • Cristiana Vieira,
  • Márcia Vilarigues,
  • Márcia Vieira,
  • Paula Nabais,
  • Sílvia Sequeira,
  • Mónica Lourenço,
  • Gabriel Oliveira and
  • Ana Rita Correia

20 January 2023

The Natural History and Science Museum of the University of Porto houses a collection of 45 models of fungi in papier-mâché from the 19th-century, which were used at the university until 2015 as didactic models. For the first time, the m...

  • Article
  • Open Access
1 Citations
3,463 Views
23 Pages

Chemical Characterization of Pope Pius VII Ancient Ecclesiastical Vestment by a Multi-Analytical Approach

  • Donata Magrini,
  • Susanna Bracci,
  • Roberta Iannaccone,
  • Lucia Nucci and
  • Barbara Salvadori

6 August 2021

This paper presents a multi-analytical investigation performed for the study of the ecclesiastical vestment, with insignia, of Pope Pius VII, painted from the end of the 18th up to the beginning of the 19th century, made of five clothing elements: ch...

  • Article
  • Open Access
13 Citations
4,390 Views
16 Pages

Fourier Transform Infrared Polarization Contrast Imaging Recognizes Proteins Degradation in Lungs upon Metastasis from Breast Cancer

  • Karolina Chrabaszcz,
  • Katarzyna Kaminska,
  • Cai Li Song,
  • Junko Morikawa,
  • Monika Kujdowicz,
  • Ewelina Michalczyk,
  • Marta Smeda,
  • Marta Stojak,
  • Agnieszka Jasztal and
  • Kamilla Malek
  • + 1 author

6 January 2021

The current understanding of mechanisms underlying the formation of metastatic tumors has required multi-parametric methods. The tissue micro-environment in secondary organs is not easily evaluated due to complex interpretation with existing tools. H...

  • Article
  • Open Access
3 Citations
2,481 Views
15 Pages

A Multi-Analytical Approach for the Characterization of Painting Materials and Metal Soap Formation in Two Artworks by the Argentinian Painter Antonio Berni

  • Astrid C. Blanco Guerrero,
  • Isabel Alcántara Millán,
  • Valeria P. Careaga,
  • Gabriela Siracusano and
  • Marta S. Maier

8 July 2023

This work describes the characterization of pigments and ground layers in two paintings by the renowned Argentinian painter Antonio Berni (1905–1981). The studied paintings are “Toledo” and “Figure” from the collection o...

  • Article
  • Open Access
12 Citations
9,348 Views
32 Pages

1 April 2022

The preservation of the Athenian Acropolis monuments constitutes an ongoing top-priority national project of global significance and impact. The project concerning the analytical investigation of the polychromy of the Acropolis monuments presented in...

  • Article
  • Open Access
70 Citations
6,980 Views
16 Pages

Assessment of Micro-Hardness, Degree of Conversion, and Flexural Strength for Single-Shade Universal Resin Composites

  • Pınar Yılmaz Atalı,
  • Bengü Doğu Kaya,
  • Aybike Manav Özen,
  • Bilge Tarçın,
  • Ayşe Aslı Şenol,
  • Ezgi Tüter Bayraktar,
  • Bora Korkut,
  • Gülçin Bilgin Göçmen,
  • Dilek Tağtekin and
  • Cafer Türkmen

17 November 2022

Single-shade universal resin composites (SsURC) are preferred in clinical practice to reduce time for shade selection and obtain good esthetic results. In this study, the static mechanical properties of seven new SsURCs were investigated, their spect...

  • Article
  • Open Access
41 Citations
6,443 Views
23 Pages

Physiological Mineralization during In Vitro Osteogenesis in a Biomimetic Spheroid Culture Model

  • Maximilian Koblenzer,
  • Marek Weiler,
  • Athanassios Fragoulis,
  • Stephan Rütten,
  • Thomas Pufe and
  • Holger Jahr

30 August 2022

Bone health-targeting drug development strategies still largely rely on inferior 2D in vitro screenings. We aimed at developing a scaffold-free progenitor cell-based 3D biomineralization model for more physiological high-throughput screenings. MC3T3-...

  • Article
  • Open Access
182 Views
16 Pages

27 February 2026

Edible Bird’s Nest (EBN) is a highly prized food product, making it a frequent target for economic adulteration. Consequently, robust quality assurance is paramount to protect consumers and ensure market integrity. A significant barrier to effe...

  • Article
  • Open Access
3 Citations
3,875 Views
21 Pages

A Study on the Degradation of Iron Gall Inks and to Preserve Them Using Green Approaches

  • Natércia Teixeira,
  • Paula Nabais,
  • Vanessa Otero,
  • Rafael Javier Díaz Hidalgo,
  • Matteo Ferretti,
  • Maurizio Licchelli and
  • Maria J. Melo

Inks from the 12th to the 17th century were aged, and a multi-analytical approach was used for their identification based on HPLC–DAD–MS, microFTIR, and microRaman. Colorimetry analysis was also performed. After 6 years of application on...

  • Article
  • Open Access
13 Citations
10,014 Views
17 Pages

Review and New Evidence on the Molluscan Purple Pigment Used in the Early Late Bronze Age Aegean Wall Paintings

  • Sophia Sotiropoulou,
  • Ioannis Karapanagiotis,
  • Konstantinos S. Andrikopoulos,
  • Toula Marketou,
  • Kiki Birtacha and
  • Marisa Marthari

14 January 2021

The production and use of the pigment extracted from the murex molluscs is discussed here in association with the purple textile dyeing industry in the Prehistoric Aegean. “True” purple has been identified in a number of archaeological fi...

  • Article
  • Open Access
10 Citations
2,522 Views
13 Pages

9 January 2024

Aim: To incorporate different concentrations of zirconia/silver phosphate (ZrO2/Ag3PO4) nanoparticles (NPs) in self-etch (SE) adhesive. Surface characterization, elemental analysis, survival rate assessment of S. mutans, micro-tensile bond strength (...

  • Article
  • Open Access
348 Views
24 Pages

Mechanical, Fatigue, and Thermal Characterization of ASA, Nylon 12, PC, and PC-ABS Manufactured by Fused Filament Fabrication (FFF)

  • Ângela Rodrigues,
  • Ricardo Branco,
  • Margarida Franco,
  • Rui Silva,
  • Cândida Malça and
  • Rui F. Martins

22 January 2026

Additive manufacturing has been widely adopted in industry as an alternative to traditional manufacturing processes for complex component production. In fact, a diverse range of materials, particularly polymers, can be processed using 3D printing for...

  • Article
  • Open Access
5 Citations
4,391 Views
23 Pages

17 October 2023

This paper presents a preliminary scientific investigation of pigments used by Martiros Sarian, a prominent Armenian artist known for his vibrant and evocative paintings. The study focuses on five of Sarian’s paintings from different periods of...

  • Article
  • Open Access
14 Citations
4,427 Views
14 Pages

28 February 2022

In order to understand the painting materials and profile structures used in the creation of Chinese ancient folk architectural paintings, the architectural paintings of the Bell and Drum Tower at Fushan Temple in Shaanxi Province of China was invest...

of 17