Search Results - "Pezza, Leonardo"

Simultaneous determination of renal function biomarkers in urine using a validated paper-based microfluidic analytical device by Rossini, Eduardo Luiz, Milani, Maria Izabel, Carrilho, Emanuel, Pezza, Leonardo, Pezza, Helena Redigolo

“…In this paper, we describe a validated paper-based microfluidic analytical device for the simultaneous quantification of two important biomarkers of renal…”
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Coffee Adulteration: More than Two Decades of Research by Toci, Aline Theodoro, Farah, Adriana, Pezza, Helena Redigolo, Pezza, Leonardo

“…Coffee is a ubiquitous food product of considerable economic importance to the countries that produce and export it. The adulteration of roasted coffee is a…”
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Simple and clean determination of tetracyclines by flow injection analysis by Rodríguez, Michael Pérez, Pezza, Helena Redigolo, Pezza, Leonardo

“…An environmentally reliable analytical methodology was developed for direct quantification of tetracycline (TC) and oxytetracycline (OTC) using continuous flow…”
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Estudo do efeito fotogalvânico em sistemas contendo corântes básicos by Pezza, Leonardo, Neumann, Miguel Guillermo, Gessner, Fergus

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A Non-invasive Real-Time Methodology for the Quantification of Antioxidant Properties in Coffee During the Roasting Process Based on Near-Infrared Spectroscopy by Catelani, Tiago A., Páscoa, Ricardo N. M. J., Santos, João Rodrigo, Pezza, Leonardo, Pezza, Helena R., Lima, José L. F. C., Lopes, João A.

“…This paper describes the development of a real-time method based on near-infrared spectroscopy (NIRS) for determination of total antioxidant capacity (TAC) and…”
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Flow Injection Analysis of 5-(Hydroxymethyl)-2-furaldehyde in Honey by a Modified Winkler Method by CASTOLDI, Karine, MILANI, Maria Izabel, ROSSINI, Eduardo L., PEZZA, Leonardo, PEZZA, Helena R.

“…One of the quality indicators for honey is 5-(hydroxymethyl)-2-furaldehyde (HMF), which is formed during the heating or aging of honey. The International Honey…”
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Authenticity of roasted coffee using 1 H NMR spectroscopy by de Moura Ribeiro, Marcos Vinícius, Boralle, Nivaldo, Redigolo Pezza, Helena, Pezza, Leonardo, Toci, Aline Theodoro

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Determination of hydrochlorothiazide in pharmaceutical formulations by diffuse reflectance spectroscopy by Gotardo, Mara Andréia, Pezza, Leonardo, Pezza, Helena Redigolo

“…This paper describes a method for quantitative spot test analysis of hydrochlorothiazide usingdiffuse reflectance spectroscopy. The reflectance measurements…”
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Determination of atenolol in pharmaceutical formulations by diffuse reflectance spectroscopy by Gotardo, Mara Andréa, Sequinel, Rodrigo, Pezza, Leonardo, Pezza, Helena Redigolo

“…A simple analytical method for quantification of atenolol in pharmaceutical formulations by diffuse reflectance spectroscopy is described. The method is based…”
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A simple and green analytical method for determination of glyphosate in commercial formulations and water by diffuse reflectance spectroscopy by da Silva, Aline Santana, Fernandes, Flávio Cesar Bedatty, Tognolli, João Olímpio, Pezza, Leonardo, Pezza, Helena Redigolo

“…[Display omitted] ► Glyphosate is one of the most widely used herbicides. ► There is a lack of spectroscopic methods for its analysis. ► The proposed method is…”
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A simple spectrophotometric method for the determination of tetracycline and doxycycline in pharmaceutical formulations using chloramine-T by Rufino, José Luiz, Pezza, Helena Redigolo, Pezza, Leonardo

“…A simple, rapid, accurate and inexpensive spectrophotometric method for the determination of tetracycline and doxycycline has been developed. The method is…”
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A simple spectrophotometric method for the determination of captopril in pharmaceutical preparations using ammonium molybdate by Ribeiro, Paulo Roberto da Silva, Pezza, Leonardo, Pezza, Helena Redigolo

“…A simple, rapid and sensitive spectrophotometric method for the determination of captopril (CPT) in pharmaceutical formulations is proposed. This method is…”
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Flow-Injection Spectrophotometric Determination of Azithromycin in Pharmaceutical Formulations Using p-Chloranil in the Presence of Hydrogen Peroxide by RUFINO, José Luiz, PEZZA, Helena Redigolo, PEZZA, Leonardo

“…A flow-injection (FI) spectrophotometric procedure exploiting merging zones is proposed for the determination of azithromycin in pharmaceutical formulations…”
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Detection of propranolol in pharmaceutical formulations by diffuse reflectance spectroscopy by Gotardo, Mara Andréia, Tognolli, João Olímpio, Pezza, Helena Redigolo, Pezza, Leonardo

“…This paper describes an analytical reflectometric method that has an objective not only the industrial quality control but also to detect possible…”
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Fingerprint and authenticity roasted coffees by 1H-NMR: the Brazilian coffee case by Toci, Aline Theodoro, de Moura Ribeiro, Marcos Vinícius, de Toledo, Paulo Roberto Aparecido Bueno, Boralle, Nivaldo, Pezza, Helena Redigolo, Pezza, Leonardo

“…With globalization, it has become necessary to adopt policies to regulate the coffee market, addressing problems including the authenticity and traceability of…”
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Spectrophotometric determination of diclofenac in pharmaceutical preparations assisted by microwave oven by Ciapina, Eduardo Gonçalves, Santini, Alberto Opperman, Los Weinert, Patrícia, Gotardo, Mara Andréia, Pezza, Helena Redigolo, Pezza, Leonardo

“…In this work, an effective and low-cost method for the determination of sodium or potassiumdiclofenac is proposed in its pure form and in their pharmaceutical…”
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A simple spectrophotometric method for the determination of methyldopa using p-chloranil in the presence of Hydrogen Peroxide by Gotardo, Mara Andréia, Lima, Liliane Spazzapam, Sequinel, Rodrigo, Rufino, José Luiz, Pezza, Leonardo, Pezza, Helena Redigolo

“…A simple, rapid and sensitive spectrophotometric method has been developed for the determination of methyldopa in pharmaceutical formulations. The method is…”
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Potentiometric sensor for sorbic acid determination in food products by Santini, Alberto O., Pezza, Helena R., Carloni-Filho, João, Sequinel, Rodrigo, Pezza, Leonardo

“…The construction, evaluation and application of a new potentiometric sensor, namely, Pt|Hg|Hg 2(SOB) 2 |Graphite, where SOB stands for sorbate ion, are…”
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Determination of Glyphosate in Water Samples by Multi-pumping Flow System Coupled to a Liquid Waveguide Capillary Cell by SILVA, Aline S., TÓTH, Ildikó V., PEZZA, Leonardo, PEZZA, Helena R., José L. F. C. LIMA

“…A simple screening method was developed for the determination of glyphosate in water samples using a multi-pumping flow system. The proposed method is based on…”
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Development and application of a portable instrument for drugs analysis in pharmaceutical preparations by Ribeiro, Paulo Roberto da Silva, Pezza, Helena Redigolo, Pezza, Leonardo, Lima, Liliane Spazzapam, Tubino, Matthieu

“…This article describes the application and performance of an inexpensive, simple and portable device for colorimetric quantitative determination of drugs in…”
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