Cristina Barrocas Dias

ORCID: 0000-0002-1707-2209
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About
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Research Areas
  • Cultural Heritage Materials Analysis
  • Isotope Analysis in Ecology
  • Archaeology and ancient environmental studies
  • Building materials and conservation
  • Conservation Techniques and Studies
  • Forensic Anthropology and Bioarchaeology Studies
  • Archaeological and Historical Studies
  • Fermentation and Sensory Analysis
  • Ancient Mediterranean Archaeology and History
  • Edible Oils Quality and Analysis
  • Paleopathology and ancient diseases
  • Archaeological and Geological Studies
  • Ancient and Medieval Archaeology Studies
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Phytochemicals and Antioxidant Activities
  • Historical Art and Architecture Studies
  • Pleistocene-Era Hominins and Archaeology
  • Medieval Architecture and Archaeology
  • Maritime and Coastal Archaeology
  • Animal Diversity and Health Studies
  • Constructed Wetlands for Wastewater Treatment
  • Brazilian Legal Issues
  • Horticultural and Viticultural Research
  • Insect and Pesticide Research
  • Mercury impact and mitigation studies

University of Évora
2015-2024

Ashland (United States)
2024

ERA Arqueologia
2022

University of Aveiro
2022

University of Coimbra
2022

University of Algarve
2022

National Institute of Health Dr. Ricardo Jorge
2021

EarthTech International (United States)
2020

Biblioteca Nacional de España
2020

Mother Teresa University
2018

Abstract BACKGROUND The objective of the present work was to develop strategies for increasing shelf‐life red raspberries ( Rubus idaeus L.), by preventing microorganism growth. RESULTS Fruits coated with alginate plus lemon essential oil (0.2%) or orange (0.1%) after 15 days storage had less skin than remaining samples. color verified in these samples also coincident lower concentration anthocyanins at end experiment as well capacity scavenging ABTS free radicals quenching singlet oxygen....

10.1002/jsfa.7817 article EN Journal of the Science of Food and Agriculture 2016-05-25

Abstract Several studies on phytotoxic effects caused by organic xenobiotics and their removal from water macrophytes have already been performed to evaluate the usefulness of these plants for phytoremediation technologies. In this context, a study was conducted assess Typha spp.'s ability withstand remove, water, non-steroidal anti-inflammatory drug ibuprofen. For an initial ibuprofen concentration 20 µg L−1, removed nearly 60% it within first 24 h, attaining over 99% end assay (21 days)....

10.1080/03067311003782708 article EN International Journal of Environmental & Analytical Chemistry 2011-05-18

The aim of this work is the material characterization wall paintings and biodegradation assessment, including analysis microbial growth effect proliferation, in view their conservation. methodology was applied to study frescoes dated from 1531, located ancient parish church Santo Aleixo, Southern Portugal. combined use optical microscopy, scanning electron microscopy coupled with energy dispersive X-ray spectrometry (SEM-EDS) μ- diffraction (XRD) showed that painting palette composed red...

10.1080/15583058.2012.751466 article EN International Journal of Architectural Heritage 2013-01-22

In the framework of inter‐disciplinary KongoKing project, a set beads from archaeological excavations in Democratic Republic Congo was analysed by means minimally invasive, multi‐analytical approach based on micro‐Raman spectroscopy. The full characterization materials, including glassy network, opacifiers and colorizers, achieved thanks to combination data handheld X‐ray fluorescence, variable pressure scanning electron microscopy coupled with energy‐dispersive spectrometry, micro‐Fourier...

10.1002/jrs.5106 article EN Journal of Raman Spectroscopy 2017-02-10

Honey is a natural food product very famous for its health benefits being an important source of antioxidant and phenolic compounds. Euphorbia honeys obtained from different regions Morocco were evaluated their ability to inhibit acetylcholinesterase, lipoxygenase, tyrosinase xanthine oxidase activities. Their properties using the: 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical-scavenging capacity, nitric oxide scavenging activity (NO) superoxide anion radical. Then, the extracts same entire...

10.3390/foods10081909 article EN cc-by Foods 2021-08-17

Abstract The concentration and antioxidant activity of the known phenolics macluraxanthone, rutin, chlorogenic acid, psoralen present in M. pomifera, F. carica, elastica extracts were determined to evaluate plant potency as new suppliers. quantification compounds was obtained by HPLC-DAD. evaluated using DPPH ABTS methods. results seem indicate that these can be promising suppliers, particularly carica leaves because only about 30% 50%, respectively, total due determined.

10.1080/00032710903276646 article EN Analytical Letters 2009-11-13

Abstract Microcosm constructed wetland systems established with a matrix of light expanded clay aggregates (LECA) and Typha spp. or Phragmites australis were used to evaluate their ability remove atenolol from wastewater. Combined an efficient SPE concentration step, the use HPLC-DAD yielded analytical method for quantification very low LOQ (9 ng mL−1) high reproducibility (RSD < 4%). Overall removal efficiencies 92.5% 94.5% achieved after retention time only 4 days microcosm planted spp.,...

10.1080/03067310902962502 article EN International Journal of Environmental & Analytical Chemistry 2009-07-15

Phenolic acids (gallic, vanillic, syringic and ellagic acids), phenolic aldehydes (vanillin, syringaldehyde, coniferaldehyde sinapaldehyde) furanic derivatives (furfural, 5-methylfurfural 5-hydroxymethylfurfural) were quantified in commercial American French oak chips.Chips with different sizes toast degrees used.Compounds extracted directly from the wood samples order to determine possible differences among woods as well degree.Likewise, compounds a synthetic wine solution which chip had...

10.21548/32-2-1380 article EN cc-by-nc-nd South African Journal of Enology and Viticulture 2016-12-01

In around 716 AD, the city of Santarém, Portugal, was conquered by Berber and Arab armies that swept Iberian Peninsula went on to rule region until 12 th century. Archaeological excavations in 2007/08 discovered an Islamic necropolis (Avenida 5 de Outubro #2–8) appears contain remains early Muslim population Santarém (8 – 10 century). this study, skeletal material from 58 adult individuals analysed for stable carbon ( δ 13 C col ; ap ), nitrogen 15 N) sulphur 34 S) isotope ratios bones,...

10.1371/journal.pone.0299958 article EN cc-by PLoS ONE 2024-03-06

This paper reports an unusual green pigment, brochantite (Cu4(SO4)(OH)6), on 16th-century Portuguese-Flemish paintings, attributed to the Master Frei Carlos workshop. mineral is usually identified as impurity or alteration product in pigments verdigris (Cu(CH3COO)2 nCu(OH)2) malachite (CuCO3 Cu(OH)2). However, after thorough investigation with a broad range of analytical techniques, it became clear that, this case, was applied pigment. The abundance, pigment granulometry, and morphology...

10.1017/s1431927615000094 article EN Microscopy and Microanalysis 2015-02-23

The knowledge of the isotopic composition virgin olive oil (VOO) allows evaluation authenticity and geographical origin, being an important tool against fraud. This study aimed to assess if VOOs produced in three Mediterranean regions could be discriminated on basis multivariate statistical analysis geoclimatic data. A total 138 geo-referenced VOO samples from Portugal, France Turkey two different cultivation years were collected. (δ13C, δ2H δ18O) was obtained using elemental analyzer...

10.3390/foods9121855 article EN cc-by Foods 2020-12-12
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