Search Results - "Zini, Claudia A"

Sensory, olfactometry and comprehensive two-dimensional gas chromatography analyses as appropriate tools to characterize the effects of vine management on wine aroma by Nicolli, Karine P., Biasoto, Aline C.T., Souza-Silva, Érica A., Guerra, Celito C., dos Santos, Henrique P., Welke, Juliane E., Zini, Cláudia A.

“…•Sensory and chromatographic techniques allowed improved vine management.•20 buds and 15 leaves was the most promising vine management for Merlot wine…”
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Silver bonded to silica gel applied to the separation of polycyclic aromatic sulfur heterocycles in heavy gas oil by Bjerk, Thiago R., de Menezes, Eliana W., Pereira, Marcelo B., Caramão, Elina B., Benvenutti, Edilson V., Zini, Cláudia A.

“…•Ag-MPSG material was characterized and used in LEC to separate PASH of HGO.•Ag-MPSG is a promising phase to replace Pd-MPSG due to its performance and lower…”
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Benchmarking machine learning methods for comprehensive chemical fingerprinting and pattern recognition by Reichenbach, Stephen E., Zini, Claudia A., Nicolli, Karine P., Welke, Juliane E., Cordero, Chiara, Tao, Qingping

“…•Relatively simple machine learning (ML) methods can be highly accurate with GCxGC.•Chemical fingerprints from smart templates capture information-rich…”
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Slovak Tokaj wines classification with respect to geographical origin by means of one class approaches by Gomes, Adriano A., Khvalbota, Liudmyla, Machyňáková, Andrea, Furdíková, Katarína, Zini, Claudia A., Špánik, Ivan

“…[Display omitted] •New analytical method based on UV–VIS and chemometry.•Classification of Slovak Tokaj wines with respect to geographical origin.•Comparison…”
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Beer dealcoholization by forward osmosis diafiltration by Ambrosi, Alan, Motke, Mateus B., Souza-Silva, Érica A., Zini, Cláudia A., McCutcheon, Jeffrey R., Cardozo, Nilo Sérgio M., Tessaro, Isabel Cristina

“…Membrane separation processes used for beer dealcoholization have as main advantage the operation at mild temperatures when compared to traditional thermal…”
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Matrix-compatible solid phase microextraction coating improves quantitative analysis of volatile profile throughout brewing stages by Hernandes, Karolina C., Souza-Silva, Érica A., Assumpção, Carolina F., Zini, Claudia A., Welke, Juliane E.

“…Ethanol is the major matrix constituent of beer and has been reported as an important interfering volatile during headspace solid phase microextraction…”
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SPME Applied to the Study of Volatile Organic Compounds Emitted by Three Species of Eucalyptus in Situ by Zini, Cláudia A, Augusto, Fabio, Christensen, Eva, Caramão, Elina B, Pawliszyn, Janusz

“…Headspace solid-phase microextraction coupled to gas chromatography/ion trap mass spectrometry−65 μm polydimethylsiloxane/divinylbenzene (PDMS/DVB) was used to…”
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Development of a HS-SPME-GC/MS protocol assisted by chemometric tools to study herbivore-induced volatiles in Myrcia splendens by Souza Silva, Érica A., Saboia, Giovanni, Jorge, Nina C., Hoffmann, Camila, dos Santos Isaias, Rosy Mary, Soares, Geraldo L.G., Zini, Claudia A.

“…A headspace solid phase microextraction (HS-SPME) method combined with gas chromatography-mass spectrometry (GC/MS) was developed and optimized for extraction…”
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Producing High Added Value Chemicals by Analytical Pyrolysis of Cassava Peal over Beta Zeolite-Supported Nickel by M. Mayer, Francieli, S. de Oliveira, Ana Paula, L. de Oliveira Júnior, Daliomar, S. dos Santos, Ariele, H. Tanabe, Eduardo, A. Zini, Claudia, Rangel, Maria do Carmo

“…Brazil has abundant agro-industrial residues, such as cassava peel, opening the opportunity to produce high-added value chemicals by catalytic fast pyrolysis,…”
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Validation of an analytical method using HS-SPME-GC/MS-SIM to assess the exposure risk to carbonyl compounds and furan derivatives through beer consumption by Hernandes, Karolina C., Souza-Silva, Érica A., Assumpção, Carolina F., Zini, Claudia A., Welke, Juliane E.

“…Compounds with toxic potential may occur in beer, such as carbonyl compounds (acetaldehyde, acrolein, ethyl carbamate [EC] and formaldehyde) and furan…”
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Effects of Soil and Vineyard Characteristics on Volatile, Phenolic Composition and Sensory Profile of Cabernet Sauvignon Wines of Campanha Gaúcha by Nicolli, Karine, Biasoto, Aline, Guerra, Celito, dos Santos, Henrique, Correa, Luiz, Welke, Juliane, Zini, Cláudia

“…The influence of vineyard on wines was evaluated for the first time using a broader analytical approach: sensory analyses and several analytical techniques…”
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Carbonyl compounds and furan derivatives with toxic potential evaluated in the brewing stages of craft beer by Hernandes, Karolina C., Souza-Silva, Érica A., Assumpção, Carolina F., Zini, Claudia A., Welke, Juliane E.

“…Carbonyl compounds and furan derivatives may form adducts with DNA and cause oxidative stress to human cells, which establishes the carcinogenic potential of…”
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Frog Volatile Compounds: Application of in vivo SPME for the Characterization of the Odorous Secretions from Two Species of Hypsiboas Treefrogs by Brunetti, Andrés E., Merib, Josias, Carasek, Eduardo, Caramão, Elina B., Barbará, Janaina, Zini, Claudia A., Faivovich, Julián

“…A novel in vivo design was used in combination with solid-phase microextraction (SPME) and gas chromatography/mass spectrometry (GC/MS) to characterize the…”
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Characterization of Nitrogen-Containing Compounds in Heavy Gas Oil Petroleum Fractions Using Comprehensive Two-Dimensional Gas Chromatography Coupled to Time-of-Flight Mass Spectrometry by von Mühlen, Carin, de Oliveira, Eniz C, Zini, Claudia A, Caramão, Elina B, Marriott, Philip J

“…Nitrogen (N)-containing compounds are naturally present in petroleum, and they are responsible for several deleterious effects that reduce the quality of…”
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Correlations between Pulp Properties of Eucalyptus Clones and Leaf Volatiles Using Automated Solid-Phase Microextraction by Zini, Cláudia A, de Assis, Teotônio F, Ledford, Edward B, Dariva, Claudio, Fachel, Jandyra, Christensen, Eva, Pawliszyn, Janusz

“…Analysis of biogenic volatile organic compounds (BVOC) of 14 Eucalyptus clones has been performed using an automated headspace solid-phase microextraction…”
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Maturation and Maceration Effects on Tropical Red Wines Assessed by Chromatography and Analysis of Variance - Principal Component Analysis by Barbará, Janaína, Silva, Érica, Biasoto, Aline, Gomes, Adriano, Correa, Luiz, Leão, Patrícia, Zini, Cláudia

“…Effects of grape maturity, maceration length during winemaking and interaction of both of them on physicochemical parameters, phenolic and volatile composition…”
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Preliminary Investigation of Medicinal Herb Adulteration Using Comprehensive Two-Dimensional Gas Chromatography and Chemometric Analysis by Welke, Juliane E., Damasceno, Flaviana C., Nicolli, Karine P., Mentz, Lilian, Caramão, Elina B., Pulgati, Fernando H., Zini, Cláudia A.

“…Anise is frequently found among the ingredients described in the label of cosmetic products. However, the use of fennel instead of anise may occur due to the…”
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Changes in the volatile organic profile of Schinus polygamus (Anacardiaceae) and Baccharis spicata (Asteraceae) induced by galling psyllids by Damasceno, Flaviana C., Nicolli, Karine P., Caramão, Elina Bastos, Soares, Geraldo L. G., Zini, Cláudia A.

“…Baccharis spicata (Asteraceae) and Schinus polygamus (Anacardiaceae) are plants native from Rio Grande do Sul and are hosts of two unidentified galling…”
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Qualitative and quantitative study of nitrogen-containing compounds in heavy gas oil using comprehensive two-dimensional gas chromatography with nitrogen phosphorus detection by von Mühlen, Carin, de Oliveira, Eniz C, Morrison, Paul D, Zini, Claudia A, Caramão, Elina B, Marriott, Philip J

“…In this work, a GCxGC-nitrogen-phosphorus detection (NPD) methodology was developed to separate and quantitate nitrogen-containing compounds in Brazilian heavy…”
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Analysis of organic compounds of water-in-crude oil emulsions separated by microwave heating using comprehensive two-dimensional gas chromatography and time-of-flight mass spectrometry by Freitas, Lisiane S., Von Mühlen, Carin, Bortoluzzi, Janaína H., Zini, Claudia A., Fortuny, Montserrat, Dariva, Claudio, Coutinho, Raquel C.C., Santos, Alexandre F., Caramão, Elina B.

“…In this work the higher peak capacity and resolution of comprehensive two-dimensional gas chromatography (GC × GC) has been successfully applied, for the first…”
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