Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Nuno R. Neng"'
Autor:
André M. Segurado, Samir M. Ahmad, Nuno R. Neng, Margarida M. Maniés-Sequeira, Helena Gaspar, José Manuel F. Nogueira
Publikováno v:
Analytica, Vol 3, Iss 1, Pp 14-23 (2022)
Synthetic cathinones are analogue compounds of the plant based stimulant cathinone. Its use, abuse, and related consumption complications have steadily increased in the last years. For this reason, there is a need for innovative analytical approaches
Externí odkaz:
https://doaj.org/article/db6cc79e198041d5ab06ef4bbecaf665
Publikováno v:
Marine Drugs, Vol 21, Iss 8, p 436 (2023)
Carpobrotus edulis (L.) N.E.Br. (Hottentot-fig) is a problematic invasive species found in coastal areas worldwide. Mechanical removal is a common control method, leaving the removed biomass available as a possible source of natural phytochemicals wi
Externí odkaz:
https://doaj.org/article/60337dadb4d545648d8e43b998e72196
Autor:
Oriana C. Gonçalves, Jéssica S. R. F. Cerqueira, Ana S. Mestre, Nuno R. Neng, José M. F. Nogueira
Publikováno v:
Molecules, Vol 28, Iss 3, p 1179 (2023)
In this work, a new analytical approach is proposed for monitoring biogenic volatile organic compounds (BVOCs) by combining headspace bar adsorptive microextraction (HS-BAμE) with gas chromatography–mass spectrometry (GC-MS). The HS-BAμE methodol
Externí odkaz:
https://doaj.org/article/5bcf2af90a8e4ed19715fc400417c066
Autor:
Tânia I. Pinto, José A. Coelho, Bruna I. Pires, Nuno R. Neng, José M. Nogueira, João C. Bordado, José P. Sardinha
Publikováno v:
Separations, Vol 8, Iss 8, p 115 (2021)
Bran of different rice cultivars produced in Portugal were used to study supercritical carbon dioxide extraction conditions of rice bran oil (RBO) and evaluate and compare antioxidant activity and fatty acid composition of the different rice bran var
Externí odkaz:
https://doaj.org/article/f2550560a67f49c3b7ce43b1f36cf0eb
Autor:
Maria João Rodrigues, Luísa Custódio, Andreia Lopes, Marta Oliveira, Nuno R. Neng, José M. F. Nogueira, Alice Martins, Amélia P. Rauter, João Varela, Luísa Barreira
Publikováno v:
Pharmaceutical Biology, Vol 55, Iss 1, Pp 1348-1357 (2017)
Context: Several Polygonum species (Polygonaceae) are used in traditional medicine in Asia, Europe and Africa to treat inflammation and diabetes. Objective: Evaluate the in vitro antioxidant, anti-inflammatory and antidiabetic potential of methanol a
Externí odkaz:
https://doaj.org/article/0b977a6d296c4288a3d2250539348701
Autor:
Mariana N. Oliveira, Oriana C. Gonçalves, Samir M. Ahmad, Jaderson K. Schneider, Laiza C. Krause, Nuno R. Neng, Elina B. Caramão, José M. F. Nogueira
Publikováno v:
Molecules, Vol 26, Iss 11, p 3101 (2021)
This work entailed the development, optimization, validation, and application of a novel analytical approach, using the bar adsorptive microextraction technique (BAμE), for the determination of the six most common tricyclic antidepressants (TCAs; am
Externí odkaz:
https://doaj.org/article/fd29972c77604cb98f714a0d42731d04
Autor:
Cátia Magro, Leónia Nunes, Oriana C. Gonçalves, Nuno R. Neng, José M. F. Nogueira, Francisco Castro Rego, Pedro Vieira
Publikováno v:
Fire, Vol 4, Iss 2, p 25 (2021)
Large forest fires have repeatedly affected Europe, in particular the Mediterranean countries. It is now crucial to continue the effort to feed the several layers of prediction models and understand how wildfire spreads in order to develop modern pre
Externí odkaz:
https://doaj.org/article/29b12bcec2c54d1d9b236648b9400435
Publikováno v:
Molecules, Vol 26, Iss 8, p 2168 (2021)
The analysis of controlled drugs in forensic matrices, i.e., urine, blood, plasma, saliva, and hair, is one of the current hot topics in the clinical and toxicological context. The use of microextraction-based approaches has gained considerable notor
Externí odkaz:
https://doaj.org/article/7890abad4ec44b489aca702158dbd18d
Autor:
Marta Oliveira, Maria João Rodrigues, Nuno R. Neng, José Manuel Florêncio Nogueira, Rui J. B. Bessa, Luísa Custódio
Publikováno v:
Plants, Vol 10, Iss 3, p 556 (2021)
In our endeavor to identify salt-tolerant plants with potential veterinary uses in ruminants’ production strategies, we focused on Cladium mariscus L. Pohl (sawgrass), due to its high total phenolic and tannin content, anti-radical properties, and
Externí odkaz:
https://doaj.org/article/2fca93bf15d94cc39c57ba555349dc43
Publikováno v:
Molecules, Vol 25, Iss 9, p 2133 (2020)
In the present work we propose, for the first time, bar adsorptive microextraction coated with carbon-based phase mixtures, followed by microliquid desorption and high performance liquid chromatography-diode array detection (BAμE-μLD/HPLC-DAD) anal
Externí odkaz:
https://doaj.org/article/156831f03c314c98b998082f1ee8705e