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Equipamento de protecção individual
Equipamento de elevação
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Dissertação de Mestrado em Educação Pré-Escolar e Ensino do 1º Ciclo do Ensino Básico
Transplante de células-tronco hematopoéticas
Enfermagem em saúde comunitária
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Paginação continuada entre numeração romana e árabe.
Dissertação de Mestrado em Intervenção Social Escolar
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Dissertação de Mestrado em Educação Pré-Escolar e Ensino do Primeiro Ciclo do Ensino Básico
Dissertação de Mestrado em Cuidados Paliativos. Instituto Politécnico de Castelo Branco, 2022
Dissertação de Mestrado em Cuidados Paliativos. Instituto Politécnico de Castelo Branco. Escola Superior Dr. Lopes Dias, 2022
The Genetics and Biotechnology Conference (JGB) of the University of Tras-os-Montes
and Alto Douro (UTAD) is an annual scientific event organized jointly by the Nucleus of
Students of Genetics and Biotechnology (ADNGB) of UTAD and the Direction of the
Course of Genetics and Biotechnology in collaboration with the teaching staff of the
Department of Genetics and Biotechnology (DGB). As a result of the scientificpedagogical partnership established between professors of DGB (UTAD) and of Faculty
of Biological and Environmental Sciences of the University of León (UL), Spain, it was
considered important to repeat the shared organization of this event between
professors and students of the UTAD and UL designating it as XII Genetics and
Biotechnology Conference / II Genetics and Biotechnology Iberian Conference (XII JGB /
II JIGB). The main objective of the XII JGB /II JIGB is to update knowledge in the area of
Genetics and Biotechnology. To this end, the focus of this event is the conferences given
by renowned national and international scientists and the thematic workshops that will
constitute more practical sessions. The XII JGB /II JIGB will also focus on interaction,
exchange of experiences and scientific debates between Portuguese and Spanish
students and professors. The best oral and posters presentations will be awarded. The
target audience is Portuguese and Spanish students, researchers and university
professors from the scientific areas of Biological Sciences and Biotechnology as well as
High School teachers from the Biology area. A wide variety of topics will be discussed, in
the different areas of Genetics and Biotechnology, such as Plant, Animal, Human,
Microbial, Evolutionary, Cancer, Forensic, Ethics, Entrepreneurship, among others.
The demand for natural-based products for industrial applications is increasing sharply
and therefore the search for new alternatives to the plants traditionally used is growing.
These alternative plants can be an important source of bioactive compounds under a
circular economy approach. Considering the potential future use of new plant extracts
by the industry, it is necessary to assess the risk associated with their introduction into
the ecosystem. This work aims to provide an insight into the volatile profiles and
evaluate the potential (eco)toxic effects of essential oils (EO’s) and hydrolates of four
plant species, namely rockrose ( Cistus ladanifer ), curry plant ( Helichrysum italicum
), conehead thyme ( Thymbra capitata ) and basil ( Ocimum basilicum ). Chemical
analysis was performed by GC-MS and acute toxicity tests were performed using the
model organism Daphnia magna . The essential oil and the hydrolate from H. italicum
, as well as all the other hydrolates caused no immobilization up to the highest
concentrations tested, suggesting that all hydrolates present low to no risk towards D.
magna. Similarly, the essential oil of H. italicum , presented negligible risk towards
D. magna . For C. ladanifer and T. capitata essential oils, the EC 50 (the
concentration estimated to immobilize 50 per cent of the Daphnia ) at 48h varied from
199.7 mg/L and 12.05 mg/L, respectively. The essential oil from C. ladanifer was
mainly characterised by monoterpene hydrocarbons, while the H. italicum was richer
in sesquiterpene hydrocarbons. Both essential oil and hydrolate from T. capitata
contained exclusively monoterpene hydrocarbons with a particularly high content of
carvacrol. The higher acute toxicity of T. capitata essential oil can be attributed to the
high amount of carvacrol present in the distillate. Overall, of the essential oils and
hydrolates tested, all can be classified as practically non-toxic, except for T. capitata
essential oil that, according to the Globally Harmonized System of Classification and
Labelling of Chemicals (GHS) of the United Nations, can be classified as moderately
toxic
Tese apresentada à Faculdade de Arquitectura da Universidade Técnica de Lisboa para obtenção do Grau de Doutor em Design.
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Bibliografia : p. 614
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