Ara mostrant els elements 1-20 de 26
Gusmaroli, Lucia (Data de defensa: 2020-05-25)
The presence of xenobiotics - such as pharmaceutically active compounds, endocrine disrupting compounds and pesticides - in the aquatic environment has risen great environmental concern due to their high toxicity even at ...
Mallek, Maryam (Data de defensa: 2018-10-25)
Solid-phase microextraction (SPME) allow the achievement of high enrichment levels by using small volumes of solvents, enabling the low detection limits required for the determination of ketoprofen, naproxen, carbamazepine, ...
Colon i Bosch, Mireia (Data de defensa: 2011-02-11)
In this thesis, simple methods to determine sulfide at low levels (µg L-1) in aqueous samples and sediments by water free hydrogen sulfide vapor generation using a commercially available vapor generation accessory have ...
López Lastra, Adrián (Data de defensa: 2020-07-28)
Polymers are one of the most used compounds in the chemical industry because they have application in a wide variety of products for daily use. Polymer preparation and its analysis is a very active field of research in ...
Bhowmick, Subhamoy (Data de defensa: 2013-10-31)
Arsenic (As) is one of the common cancers causing contaminant in groundwater of West Bengal, India along with other regions of the world. Scientists believe that As contamination in groundwater of these region are because ...
Garcia Rodríguez, Aida (Data de defensa: 2016-09-23)
Emerging organic contaminants (EOCs), like pharmaceuticals and endocrine disrupting compounds, are continuously introduced into the environment. Some 2/2 have been found in water bodies, posing a risk on human health and ...
Ben Amar, Marwa (Data de defensa: 2021-10-22)
Wastewater discharged from industrial and agricultural activities contains relatively large amounts of toxic metal ions, especially including Cd(II), Cu(II), Pb (II), and Cr(VI). The removal of these pollutants is of ...
Castro Aguilera, Abril Carolina (Data de defensa: 2017-11-17)
Nuclear Magnetic Resonance (NMR) spectroscopy is an indispensable structural tool in the modern analytical arsenal of chemists and structural biologists. The present thesis is a computational study of the NMR shift constants ...
Corbera Mas, Marta (Data de defensa: 2008-02-15)
El glifosat és un herbicida no selectiu àmpliament utilitzat en cultius agrícoles i zones no agrícoles que requereixen un control de la vegetació. Tot i la baixa toxicitat del glifosat en si mateix, la seva aplicació es ...
Moret Solà, Sònia (Data de defensa: 2006-12-15)
El control d'herbicides i altres anàlits orgànics presents en el medi ambient constitueix una pràctica habitual en els laboratoris des de l'establiment de legislacions que limiten la seva concentració. Per aquesta raó, cal ...
Sirvent Masias, Gemma (Data de defensa: 2005-04-22)
El desenvolupament de mètodes d'anàlisi de compostos fenòlics és una pràctica habitual en molts laboratoris des de l'establiment de mesures legislatives de control de les concentracions d'aquestes substàncies en el medi ...
Vera Chamorro, Ruben (Data de defensa: 2019-03-15)
Water is essential for humankind not only for its direct consumption but also for its multiple applications in industry or agriculture, among others. The presence of undesirable substances or pollutants directly affects ...
Insa Aguilar, Sara (Data de defensa: 2006-05-22)
D'entre els defectes organolèptics associats al vi, en destaca l'anomenat "gust de suro" habitualment vinculat a la presència de cloroanisoles, els quals són productes de l'activitat microbiana formats a partir dels ...
Godayol Boix, Anna (Data de defensa: 2014-03-27)
Different analytical methodologies have been developed for the determination of odorous compounds and synthetic fragrances in water and air WWTP samples from Girona and Tarragona provinces. With regards to the odorous ...
Güell Martí, Raquel (Data de defensa: 2011-10-07)
The chemical contamination of natural waters is a global problem with a worldwide impact. Considering the relevance of this problem, this thesis is intended, on one hand, to develop different separation/preconcentration ...
Alonso Roura, Mònica (Data de defensa: 2012-12-14)
Hippocrates predicted many years ago that breath could tell something related with our health. On his treaties, he indicated that when the body starts moving after sleeping, and breathe with more frequency, something hot ...
Sánchez i Bassols, Marta (Data de defensa: 2008-12-12)
Gran part del districte miner Cartagena-La Unión es troba ocupat per residus provinents d'activitats mineres actualment abandonades. Aquestes activitats, desenvolupades històricament en les muntanyes situades en la costa ...
Rius Solé, M. Àngels (Data de defensa: 2000-04-28)
En el presente trabajo de tesis se evalúa la posible contribución de otros compuestos al desarrollo del olor sexual mediante la aplicación de técnicas de Head Space dinámico y cromatografía de filtración de gel. El estudio ...
Sagristà i Puig, Ester (Data de defensa: 2012-11-23)
Extensive amounts of pharmaceuticals and personal care products (organic emerging pollutants) are introduced into the environment mainly through wastewater treatment plants discharges either effluent wastewater reaching ...
Carreras Ferrer, Irene (Data de defensa: 2005-04-14)
Los fenómenos oxidativos y en particular la oxidación lipídica son uno de los principales responsables de la pérdida de calidad en la carne y en los productos cárnicos. Como consecuencia de estos procesos se generan ...