Search Results - "Wisniewski Jr, Alberto"
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Continuous rotary kiln pyrolysis of cassava plant shoot system and wide speciation of oxygenated and nitrogen-containing compounds in bio-oil by HESI and APPI-Orbitrap MS
Published in Bioresource technology (01-07-2024)“…[Display omitted] •Waste cassava harvest biomass as a source of renewable chemicals.•Effect of pyrolysis temperature over raw bio-oil…”
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Chemical composition and antibacterial activity of essential oils of Eugenia species
Published in Journal of natural medicines (01-07-2009)“…The essential oils of the leaves of Eugenia brasiliensis , Eugenia beaurepaireana , and Eugenia umbelliflora were analyzed by GC–MS. The major compounds found…”
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Multiple reaction monitoring tool applied in the geochemical investigation of a mysterious oil spill in northeast Brazil
Published in Anais da Academia Brasileira de Ciências (2021)“…In 2019, much of the northeastern coast of Brazil was impacted by a mysterious oil spill that caused an environmental disaster affecting 1009 beaches. Four…”
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Comprehensive approach of methods for microstructural analysis and analytical tools in lignocellulosic biomass assessment – A review
Published in Bioresource technology (01-03-2022)“…[Display omitted] •Precise biomass characterization requires analytical techniques combination.•Analytical tools concomitantly explore…”
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Selective carbonaceous-based (nano)composite sensors for electrochemical determination of paraquat in food samples
Published in Food chemistry (30-03-2022)“…•A HNO3 activated biochar was obtained from biochar of Eichhornia crassipes (400 °C).•A rGO/activated biochar nanocomposite was used as carbon paste electrodes…”
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Assessment of the effect of short-term weathering on the molecular-level chemical composition of crude oils in contact with aquatic environments
Published in Environmental science and pollution research international (01-09-2023)“…Multiple studies have focused on the effect of long-term weathering processes on oils after spill events, without considering the chemical compositional…”
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Chemical evaluation of pyrolysis oils from domestic and industrial effluent treatment station sludges with perspective to produce value-added products
Published in Waste management (Elmsford) (01-08-2023)“…•Production of bio-oils from domestic and industrial effluent stations sludges.•Majority of nitrogenous and ester compounds for bio-oils.•Bio-oils rich in…”
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Comparing Crude Oils with Different API Gravities on a Molecular Level Using Mass Spectrometric Analysis. Part 1: Whole Crude Oil
Published in Energies (Basel) (01-10-2018)“…Different ionization techniques based on different principles have been applied for the direct mass spectrometric (MS) analysis of crude oils providing…”
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A hydrogeological impact survey on the largest onshore oil field in Brazil: physicochemical and total petroleum hydrocarbon (TPH) analyses in the south of Japaratuba River Basin, Sergipe
Published in Environmental earth sciences (01-08-2020)“…The Japaratuba River Basin is one of the most important hydrogeological units in terms of water demand in the state of Sergipe, Brazil. Due to its poorly…”
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Streptomyces hygroscopicus UFPEDA 3370: A valuable source of the potent cytotoxic agent nigericin and its evaluation against human colorectal cancer cells
Published in Chemico-biological interactions (05-01-2021)“…Streptomyces hygroscopicus UFPEDA 3370 was fermented in submerged cultivation and the biomass extract was partitioned, obtaining a fraction purified named EB1…”
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Lotus corniculatus Regulates the Inflammation Induced by Bradykinin in a Murine Model of Pleurisy
Published in Journal of agricultural and food chemistry (23-03-2011)“…This study evaluated the anti-inflammatory efficacy of the crude extract (CE), the fractions derived from hexane (HEX), ethyl acetate (AcOEt), n-butanol…”
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Antifungal activity of essential oils of Myrcia ovata chemotypes and their major compounds on phytopathogenic fungi
Published in Bioscience journal (01-03-2020)“…This work evaluated the antifungal activity of essential oils of Myrcia ovata chemotypes (MYRO-175, MYRO-156, MYRO-154, MYRO-165, and MYRO-015) and their major…”
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Chemical composition of volatiles from male and female specimens of Baccharis trimera collected in two distant regions of southern brazil: a comparative study using chemometrics
Published in Química Nova (2013)“…GC/MS/FID analyses of volatile compounds from cladodes and inflorescences from male and female specimens of Baccharis trimera (Less.) DC. collected in the…”
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VOLATILE COMPONENTS FROM GALLS INDUCED BY Baccharopelma dracunculifoliae (Hemiptera: Psyllidae) ON LEAVES OF Baccharis dracunculifolia (Asteraceae)
Published in Química Nova (01-01-2015)“…The volatile components of the galls induced by the insect Baccharopelma dracunculifoliae (Hemiptera: Psyllidae) on leaves of Baccharis dracunculifolia…”
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Thermochemical conversion of aquatic weed biomass in a rotary kiln reactor for production of bio-based derivatives
Published in Journal of analytical and applied pyrolysis (01-08-2023)“…This study explored the potential of converting water hyacinth biomass into bio-oil and biochar through a continuous pyrolysis process in a rotary kiln reactor…”
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Electrochemical sensor based on biochar and reduced graphene oxide nanocomposite for carbendazim determination
Published in Talanta (Oxford) (01-12-2020)“…For the first time, a nanocomposite based on biochar and reduced graphene oxide (rGO) was employed to construct a modified carbon paste electrode and applied…”
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Assessment of black liquor hydrothermal treatment under sub- and supercritical conditions: Products distribution and economic perspectives
Published in Chemosphere (Oxford) (01-01-2022)“…This study reports an alternative method for black liquor treatment with potential for energy and process savings in the paper and pulp industry. Gasification…”
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Advanced characterization of oxidized derivatives in alternative fatty esters mixture for biodiesel purposes
Published in Fuel (Guildford) (01-02-2022)“…[Display omitted] •Unconventional source of lipids to produce fatty esters for biodiesel purposes.•Advanced profile of the oxidized compounds founded into the…”
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Magnetic nanostructured material as heterogeneous catalyst for degradation of AB210 dye in tannery wastewater by electro-Fenton process
Published in Chemosphere (Oxford) (01-10-2021)“…Degradation of the Acid Black 210 dye (AB210) in synthetic and industrial effluent samples was performed, for the first time, using a heterogeneous…”
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