Research output

Research output per year 1990 1995 1999 2007 2008 2009 2010 2011 2023

• 26 Article
• 8 International PCT application
• 6 Chapter
• 5 National Final Application
• 2 More
  • 2 Conference contribution

Research output per year

Research output per year

Search results

• 2023

  Spatiotemporal bioavailability of PCDD/Fs and dl-PCBs in wild mussels from the Portuguese Atlantic coast

  Antunes, P., Gama, A., Pereira, M. & Gaspar, E. M. M., 2023, In: Food Additives and Contaminants - Part A. 40, 4, p. 576-587 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • polychlorinated dibenzodioxins 100%
  • Dioxins 96%
  • Bivalvia 95%
  • Polychlorinated Dibenzodioxins 92%
  • Polychlorinated Biphenyls 90%
• 2020

  Mechanisms of potential antioxidant activity of caffeine

  Vieira, A. J. S. C., Gaspar, E. M. & Santos, P. M. P., Sept 2020, In: Radiation Physics and Chemistry. 174, 108968.

  Research output: Contribution to journal › Article › peer-review

  • caffeine 100%
  • antioxidants 87%
  • adenines 65%
  • hydroxyl radicals 46%
  • scavenging 18%
  43 Citations (Scopus)
• 2019

  Gamma irradiation of clove: level of trapped radicals and effects on bioactive composition

  Gaspar, E. M., Santana, J. C., Santos, P. M. P., Telo, J. P. & Vieira, A. J. S. C., 15 Mar 2019, In: Journal of the Science of Food and Agriculture. 99, 4, p. 1668-1674

  Research output: Contribution to journal › Article › peer-review

  • Syzygium 100%
  • Electron Spin Resonance Spectroscopy 86%
  • cloves 83%
  • gamma radiation 65%
  • caryophyllene oxide 61%
  14 Citations (Scopus)
• 2018

  Cheeses made from raw and pasteurized cow’s milk analysed by an electronic nose and an electronic tongue

  Valente, N. I. P., Rudnitskaya, A., Oliveira, J. A. B. P., Gomes, M. T. S. R. & Gaspar, E. M. M., 1 Aug 2018, In: Sensors. 18, 8, 2415.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Electronic tongues 100%
  • Electronic Nose 96%
  • Cheeses 89%
  • Electronic nose 82%
  • milk 80%
  27 Citations (Scopus)
• 2017

  Preparation of Cyclohexene

  Vieira, A. J. S. C. & Gaspar, E. M. S. M., 2017, Comprehensive Organic Chemistry Experiments for the Laboratory Classroom. Afonso, C. A. M., Candeias, N. R., Simão, D. P., Trindade, A. F., Coelho, J. A. S., Tan, B. & Franzén, R. (eds.). Cambridge: RSC - Royal Society of Chemistry, p. 600-602

  Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

• Separation, Purification and Identification of the Components of a Mixture

  Vieira, A. J. D. S. C. & Gaspar, E., 2017, Comprehensive Organic Chemistry Experiments for the Laboratory Classroom. RSC - Royal Society of Chemistry, p. 1-5

  Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
• 2015

  Perfis de compostos hidrocarbonados voláteis, marcadores de degradação/envelhecimento de material celulósico e marcadores de patologia

  Lucena, A. F. F. D. & Gaspar, E. M. M. S. M., 3 Nov 2015, IPC No. G01N 33/ 497 A I, Patent No. BRPI0912127, Priority date 28 May 2009, Priority No. PT10407708A

  Research output: Patent › International PCT application
• 2014

  Preliminary toxicological assessment of phthalate esters from drinking water consumed in Portugal

  Santana, J., Giraudi, C., Marengo, E., Robotti, E., Moreno Pires, S., Nunes, I. & Gaspar, E. M. M. S. M., Jan 2014, In: Environmental Science and Pollution Research. 21, 2, p. 1380-1390

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • toxicological assessment 100%
  • Phthalate Ester 89%
  • phthalic acid 86%
  • Potable water 80%
  • Portugal 79%
  53 Citations (Scopus)

• Use of sensors in cheese manufacture and quality control

  Gomes, M. T. S. R., Oliveira, J. A. B. P. & Gaspar, E. M., 2014, 2014 IEEE 9TH IBERO-AMERICAN CONGRESS ON SENSORS (IBERSENSOR). Garcia, L. (ed.). Institute of Electrical and Electronics Engineers (IEEE), 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

  • cheese quality 100%
  • cheesemaking 81%
  • sensors (equipment) 65%
  • quality control 63%
  • electronic nose 23%
  2 Citations (Scopus)
• 2012

  Emission profiles of polychlorinated dibenzodioxins, polychlorinated dibenzofurans (PCDD/Fs), dioxin-like PCBs and hexachlorobenzene (HCB) from secondary metallurgy industries in Portugal

  Gaspar, E. M. M. S. M., 1 Jan 2012, In: Chemosphere. 88, NA, p. 1332–1339

  Research output: Contribution to journal › Article › peer-review

  Open Access
  45 Citations (Scopus)

• Food sources and analytical approaches for maltose determination

  Gaspar, E. M. S. M., Lopes, J. F., Gyamfi, D. & Nunes, I. S., 1 Jan 2012, Food and Nutritional Components in Focus. 3 ed. RSC - Royal Society of Chemistry, p. 405-424 20 p. (Food and Nutritional Components in Focus; vol. 2012, no. 3).

  Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

  • Maltose 100%
  • maltose 76%
  • Food 52%
  • Food Analysis 22%
  • Glucose 21%
  1 Citation (Scopus)
• 2011

  PERFIS DE COMPOSTOS HIBROCARBONADOS VOLÁTEIS, MARCADORES DE DEGRADAÇÃO/ENVELHECIMENTO DE MATERIAL CELULÓSICO E MARCADORES DE PATALOGIA

  Gaspar, E. & Lucena, A. F. F. D., 28 Jul 2011, IPC No. G01N 33/ 497 A I, Patent No. JP2011522244, Priority date 28 May 2009, Priority No. PT10407708A

  Research output: Patent › International PCT application

• Profiles of volatile hydrocarbon compounds, markers of degradation/ageing of cellulosic material and disease markers

  Mendes, S. M. G. & Folgado, D. L. A. F., 29 Jun 2011, IPC No. G01N 33/ 497 A I, Patent No. CN102112870, Priority date 28 May 2009, Priority No. PT10407708A

  Research output: Patent › International PCT application

  • markers 100%
  • hydrocarbons 86%
  • inventions 70%
  • degradation 68%
  • marking 56%

• PROFILES OF VOLATILE HYDROCARBON COMPOUNDS, MARKERS OF DEGRADATION/AGEING OF CELLULOSIC MATERIAL AND DISEASE MARKERS

  Mendes Sardao Monteiro Gaspar, E. M. & Folgado De Lucena, A. F., 9 Mar 2011, IPC No. G01N 33/ 497 A I, Patent No. EP2293059, Priority date 28 May 2009, Priority No. PT10407708A

  Research output: Patent › International PCT application

  • Marker 100%
  • Hydrocarbon 80%
  • High-Resolution Gas Chromatography 52%
  • Volatile Organic Compound 39%
  • Lipid 26%

• PROFILES OF VOLATILE HYDROCARBONS, MARKERS OF DEGRADATION/AGEING OF CELLULOSIC MATERIAL AND MARKERS OF PATHOLOGY

  Gaspar, E. & Lucena, A. F. F. D., 26 May 2011, IPC No. G01N 33/ 00 A I, Patent No. US2011124513, Priority date 28 May 2009, Priority No. PT10407708A

  Research output: Patent › International PCT application

  • Marker 100%
  • Hydrocarbon 80%
  • High-Resolution Gas Chromatography 52%
  • Volatile Organic Compound 39%
  • Lipid 26%
• 2010

  METHOD FOR THE ANALYSIS, IDENTIFICATION AND QUANTIFICATION OF FURFURALS AS FOOD QUALITY MARKERS

  Gaspar, E. M. M. S. M., 25 Mar 2010, IPC No. G01N 30/ 06, Patent No. WO2010013225, 3 Aug 2009, Priority date 1 Aug 2008, Priority No. PT104151A

  Research output: Patent › International PCT application

  • furfural 100%
  • food quality 83%
  • dietary supplements 72%
  • solid phase microextraction 49%
  • animal health 43%

• PROCESSO PARA ANÁLISE, IDENTIFICAÇÃO E CONTROLE DE MARCADORES DE QUALIDADE DOS ALIMENTOS: FURFURAIS

  Gaspar, E. M. M. S. M., 1 Feb 2010, IPC No. B01D 15/ 08, Patent No. PT104151, 1 Aug 2008, Priority date 1 Aug 2008, Priority No. PT104151A

  Research output: Patent › National Final Application

• PROFILES OF VOLATILE HYDROCARBON COMPOUNDS, MARKERS OF DEGRADATION/AGEING OF CELLULOSIC MATERIAL AND DISEASE MARKERS

  Gaspar, E. M. M. S. M. & De Lucena, A. F. F., 11 Mar 2010, IPC No. G01N 33/ 34, G01N 33/ 497, G01N 30 / 06, Patent No. WO2009144677, 28 May 2009, Priority date 28 May 2008, Priority No. PT104077A

  Research output: Patent › International PCT application

  • markers 100%
  • hydrocarbons 86%
  • inventions 70%
  • degradation 68%
  • marking 56%

• Volatile organic compounds in paper-an approach for identification of markers in aged books

  Gaspar, E. M. M. S. M. & DQ Group Author, 1 Jan 2010, In: Analytical and Bioanalytical Chemistry. 397, 1, p. 369-380

  Research output: Contribution to journal › Article › peer-review

  Open Access
  36 Citations (Scopus)
• 2009

  Improved HPLC methodology for food control - furfurals and patulin as markers of quality

  Gaspar, E. M. M. S. M., 1 Jan 2009, In: Food Chemistry. 114, 4, p. 1576-1582

  Research output: Contribution to journal › Article › peer-review

  77 Citations (Scopus)

• Organic metabolites in exhaled human breath-A multivariate approach for identification of biomarkers in lung disorders

  Gaspar, E. M. M. S. M., 1 Jan 2009, In: Journal Of Chromatography A. 1216, 14, p. 2749-2756

  Research output: Contribution to journal › Article › peer-review

  Open Access
  86 Citations (Scopus)

• PERFIS DE COMPOSTOS HIBROCARBONADOS VOLÁTEIS, MARCADORES DE DEGRADAÇÃO/ENVELHECIMENTO DE MATERIAL CELULÓSICO E MARCADORES DE PATALOGIA

  Gaspar, E. M. M. S. M. & De Lucena, A. F. F., 30 Nov 2009, IPC No. G01N 33/ 497 A, A61B5 / 00, G01N30 / 08, Patent No. PT104077, 28 May 2008, Priority date 28 May 2008, Priority No. PT104077A

  Research output: Patent › National Final Application

• PROFILES OF VOLATILE HYDROCARBONS, MARKERS OF DEGRADATION/AGEING OF CELLULOSIC MATERIAL AND MARKERS OF PATHOLOGY

  Mendes Sardao Monteiro Gaspar, E. M. & Folgado De Lucena, A. F., 9 Dec 2009, IPC No. G01N 33/ 497 A I, Patent No. CA2726152, Priority date 28 May 2009, Priority No. PT10407708A

  Research output: Patent › International PCT application

  • pathology 100%
  • markers 90%
  • hydrocarbons 78%
  • inventions 64%
  • degradation 62%

• Simple gas chromatographic method for furfural analysis

  Gaspar, E. M. M. S. M. & DQ Group Author, 1 Jan 2009, In: Journal Of Chromatography A. 1216, 14, p. 2762-2767

  Research output: Contribution to journal › Article › peer-review

  Open Access
  52 Citations (Scopus)
• 2008

  Optimization of pressurized liquid extraction (PLE) of dioxin-furans and dioxin-like PCBs from environmental samples

  Antunes, P., Viana, P., Vinhas, T., Capelo, J. L., Rivera, J. & Gaspar, E. M. S. M., 30 May 2008, In: Talanta. 75, 4, p. 916-925 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Polychlorinated Dibenzofuran 100%
  • Polychlorobiphenyl 77%
  • Soil 37%
  • Pressure 12%
  • Solvent 10%
  42 Citations (Scopus)

• Processo para a análise, separação e identificação de açúcares, monossacáridos, biologicamente relevantes: seus enanteómeros, anómeros e isómeros estruturais

  Gaspar, E. M. M. S. M. & Lopes, J. F. A., 5 Dec 2008, IPC No. G01N 30/ 02 A I, B01J20/29, C07B57/00, Patent No. PT103757, 5 Jun 2007, Priority date 5 Jun 2007, Priority No. PT20070103757

  Research output: Patent › National Final Application

• Produtos naturais bioactivos de plantas do género alystegia/convolvulus específicos contra a tuberculose (mycobacterium tuberculosis) e outras micobactérias não tuberculosas

  Moiteiro, C. M. M. & Gaspar, E., 10 Oct 2008, IPC No. A61P 31/ 06 A I, A61K36/39, Patent No. PT103713, 10 Apr 2007, Priority date 10 Apr 2007, Priority No. PT20070103713

  Research output: Patent › National Final Application

• Produtos naturais bioactivos de plantas do género Calystergia/Convolvulus específicos contra a tuberculose (Mycobacterium tuberculosis e outras micobacterias não tuberculosas)

  Luna-Herrera, J., Gaspar, E. M. M. S. M. & Maria, G. R. B., 7 Nov 2008, IPC No. A61P 31/ 06 A I, A61K36/39, Patent No. PT103732, 7 May 2007, Priority date 7 May 2007, Priority No. PT20070103732

  Research output: Patent › National Final Application

• Simultaneous chromatographic separation of enantiomers, anomers and structural isomers of some biologically relevant monosaccharides

  Gaspar, E. M. M. S. M., 1 Jan 2008, In: Journal Of Chromatography A. 1188, 1, p. 34-42

  Research output: Contribution to journal › Article › peer-review

  Open Access
  71 Citations (Scopus)
• 2007

  Chromatographic-based methods for pesticide determination in honey: An overview

  Gaspar, E. M. M. S. M., Moura, I. M. A. M. G. D. & Capelo, J. L., 1 Jan 2007, In: Talanta. 71, 2, p. 503-514

  Research output: Contribution to journal › Article › peer-review

  Open Access
  116 Citations (Scopus)

• Gas chromatography mass spectrometry determination of acaricides from honey after a new fast ultrasonic-based solid phase micro-extraction sample treatment

  Capelo, J. L., Gaspar, E. M. M. S. M. & Moura, I. M. A. M. G. D., 1 Jan 2007, In: Talanta. 71, 5, p. 1906-1914

  Research output: Contribution to journal › Article › peer-review

  Open Access
  55 Citations (Scopus)

• New findings for in-gel digestion accelerated by high-intensity focused ultrasound for protein identification by matrix-assisted laser desorption ionization time-of-flight mass spectrometry

  Carreira, R. J., Cordeiro, F. M., Moro, A. J., Rivas, M. G., Rial-Otero, R., Gaspar, E. M., Moura, I. & Capelo, J. L., 15 Jun 2007, In: Journal Of Chromatography A. 1153, 1-2, p. 291-299 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Time-of-Flight Mass Spectrometry 100%
  • Digestion 91%
  • Mass Spectrometry 90%
  • Gels 81%
  • Lasers 80%
  32 Citations (Scopus)
• 2006

  Mercury determination by FI-CV-AAS after the degradation of organomercurials with the aid of an ultrasonic field: The important role of the hypochlorite ion

  Capelo, J. L., Gaspar, E. M. M. S. M., Silva, M. D. R. G. D. & Rivas, M. G., 1 Jan 2006, In: Talanta. 68, 3, p. 813-818

  Research output: Contribution to journal › Article › peer-review

  Open Access
  24 Citations (Scopus)

• Simple gas chromatographic method for the stereodifferentiation of methyl nilate, a chiral α-methyl-β-hydroxy ester

  Gaspar, E. M. S. M. & Barroso, J. G., 10 Mar 2006, In: Journal Of Chromatography A. 1108, 2, p. 225-230 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Chirasil-Dex 100%
  • Gas Chromatography 88%
  • Esters 79%
  • Gases 65%
  • Stereoisomerism 54%
  3 Citations (Scopus)
• 2005

  Documentação e Informação em Química

  Gaspar, E. M. M. S. M., Jun 2005, In: Boletim da Sociedade Portuguesa de Química. 97, Abril-Junho, p. 35-36 2 p.

  Research output: Contribution to journal › Article › peer-review
• 2002

  HPLC-ESI-MS: An useful alternative to FAB-MS in the analysis of intact resin glycosides from convolvulaceae plants

  Gaspar, E. M. M. & Noronha, J. P., 2002, NATURAL PRODUCTS IN THE NEW MILLENNIUM: PROSPECTS AND INDUSTRIAL APPLICATION. Rauter, A. P., Palma, F. B., Justino, J., Araújo, M. E. & Pina dos Santos, S. (eds.). Springer, p. 119-124 (PROCEEDINGS OF THE PHYTOCHEMICAL SOCIETY OF EUROPE; vol. 47).

  Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

  • Resin Glycoside 100%
  • Fast Atom Bombardment Mass Spectroscopy 67%
  • Electrospray Ionization Mass Spectroscopy 59%
  • Oligosaccharide 53%
  • Ion 11%
• 2001

  Soldanelline B - The first acylated nonlinear tetrasaccharide macrolactone from the european convolvulaceae Calystegia soldanella

  Gaspar, E. M. M., Jan 2001, In: European Journal of Organic Chemistry. 2, p. 369-373 5 p.

  Research output: Contribution to journal › Article › peer-review

  • Soldanelline B 100%
  • Resin Glycoside 71%
  • glucosides 66%
  • Fatty Acid Derivative 60%
  • fatty acids 54%
  12 Citations (Scopus)
• 1999

  New Pentasaccharide Macrolactone from the European Convolvulaceae Calystegia soldanella

  Gaspar, E. M. M., 10 Sept 1999, In: Tetrahedron Letters. 40, 37, p. 6861-6864 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Calystegia 100%
  • Convolvulaceae 75%
  • Resin Glycoside 73%
  • Pentasaccharide 55%
  • Glycosides 51%
  21 Citations (Scopus)

• Potential Allelopathic Sterols and Ketosteroids from Wheat Straw (Triticum aestivum)

  Gaspar, E. M. M. S. M., Chaves das Neves, H. J. & Pereira, M., 1999, Recent Advances in Allelopathy: a Science for the Future: 1st Symposium of the International Allelopathy Society (IAS) . Macías, F. A., Galindo, J. C. G., Molinillo, J. M. G. & Cutler, H. G. (eds.). Cádiz: Universidad de Cádiz, Vol. 1. p. 193-196 4 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Triterpenoids and other potentially active compounds from wheat straw: Isolation, identification, and synthesis

  Gaspar, E. M. M. S. M., Chaves das Neves, H. J. & Pereira, M. M. A., 1 Jan 1999, Biologically Active Natural Products: Agrochemicals. CRC Press, p. 69-81 13 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

  • Triterpenes 100%
  • Biomass 98%
  • Straw 97%
  • Edible Grain 97%
  • Triticum 96%
  5 Citations (Scopus)
• 1997

  Application of HPLC-PBMS to the Identification of Unknown Components in a Triterpenoid Fraction of Arbutus unedo Fruits

  Gaspar, E. M. S. M., Chaves Das Neves, H. J. & Noronha, J. P., Aug 1997, In: HRC Journal of High Resolution Chromatography. 20, 8, p. 417-420 4 p.

  Research output: Contribution to journal › Article › peer-review

  • High pressure liquid chromatography 100%
  • Triterpenoid 62%
  • Fruits 60%
  • Triterpene 60%
  • Isomers 51%
  14 Citations (Scopus)
• 1995

  Chemical constituents in allelopathic straw of wheat (Triticum aestivum)

  Gaspar, E. M. M. S. M. & Neves, H. C., Jan 1995, In: Allelopathy Journal. 2, 1, p. 79-88 10 p.

  Research output: Contribution to journal › Article › peer-review

  • wheat straw 100%
  • phenolic acids 98%
  • Triticum aestivum 80%
  • campesterol 63%
  • sitosterols 61%

• HRGC-MS and HPLC-MS identification of new ketosteroids in an extract of wheat straw

  Gaspar, E. M. M. S. M. & Chaves das Neves, H. J., May 1995, In: HRC Journal of High Resolution Chromatography. 18, 5, p. 299-303 5 p.

  Research output: Contribution to journal › Article › peer-review

  • Straw 100%
  • Organic Acid 80%
  • Bioassay 78%
  • Organic acids 60%
  • Assays 47%

• HRGC‐MS and HPLC‐MS identification of new ketosterols in an extract of wheat straw

  Chaves das Neves, H. J. & Gaspar, E. M. M. S., May 1995, In: Journal of High Resolution Chromatography. 18, 5, p. 299-303 5 p.

  Research output: Contribution to journal › Article › peer-review

  • Straw 100%
  • Organic Acid 80%
  • Bioassay 78%
  • Organic acids 60%
  • Assays 47%
  13 Citations (Scopus)
• 1994

  Identification of New Ketosterols in an Extract from Wheat Straw

  Neves, H. J. C. D. & Gaspar, E. M. M. S. M., 1994, Sixteenth International Symposium on Capillary Chromatography: Palazzo del Congressi, Riva del Garda, Italy: September 27-30,1994. Sandra, P. & Devos, G. (eds.). Heidelberg: Hüthig, Vol. 1. p. 762-770 9 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
• 1993

  Steroidal constituents from mature wheat straw

  Gaspar, E. M. M. & Neves, H. J. C. D., 9 Sept 1993, In: Phytochemistry. 34, 2, p. 523-527 5 p.

  Research output: Contribution to journal › Article › peer-review

  • Stigmastanol 100%
  • Tetracyclic Triterpenoid 95%
  • Campesterol 80%
  • Sitosterol 77%
  • Ergosterol 70%
  68 Citations (Scopus)
• 1990

  Identification of active compounds in wheat straw extracts with allelopathic activity by HRGC‐MS and HRGC‐FTIR

  Neves, H. J. C. D. & Gaspar, E. M. M., 1 Jan 1990, In: Journal of High Resolution Chromatography. 13, 8, p. 550-554 5 p.

  Research output: Contribution to journal › Article › peer-review

  • Diazoethane 100%
  • Naphthoic Acid 96%
  • Azelaic Acid 88%
  • Countercurrent Chromatography 74%
  • Straw 72%
  29 Citations (Scopus)