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Dos Santos VHP, Andre RS, Dos Anjos JP, Mercante LA, Correa DS, Silva EO. Biotransformation of progesterone by endophytic fungal cells immobilized on electrospun nanofibrous membrane. Folia Microbiol (Praha) 2024; 69:407-414. [PMID: 37979123 DOI: 10.1007/s12223-023-01113-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 11/14/2023] [Indexed: 11/19/2023]
Abstract
Biotransformation of steroids by fungi has been raised as a successful, eco-friendly, and cost-effective biotechnological alternative for chemical derivatization. Endophytic fungi live inside vegetal tissues without causing damage to the host plant, making available unique enzymes that carry out uncommon reactions. Moreover, using nanofibrous membranes as support for immobilizing fungal cells is a powerful strategy to improve their performance by enabling the combined action of adsorption and transformation processes, along with increasing the stability of the fungal cell. In the present study, we report the use of polyacrylonitrile nanofibrous membrane (PAN NFM) produced by electrospinning as supporting material for immobilizing the endophytic fungus Penicillium citrinum H7 aiming the biotransformation of progesterone. The PAN@H7 NFM displayed a high progesterone transformation efficiency (above 90%). The investigation of the biotransformation pathway of progesterone allowed the putative structural characterization of its main fungal metabolite by GC-MS analysis. The oxidative potential of P. citrinum H7 was selective for the C-17 position of the steroidal nucleus.
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Affiliation(s)
| | - Rafaela S Andre
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentation, São Carlos, 13560-970, Brazil
| | - Jeancarlo Pereira Dos Anjos
- University Center SENAI CIMATEC, Salvador, 41650-010, Brazil
- INCT in Energy and Environment, Federal University of Bahia, Salvador, 40170-115, Brazil
| | - Luiza A Mercante
- Institute of Chemistry, Federal University of Bahia, Salvador, 40170-115, Brazil
| | - Daniel S Correa
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentation, São Carlos, 13560-970, Brazil
| | - Eliane Oliveira Silva
- Department of Organic Chemistry, Institute of Chemistry, Federal University of Bahia, Salvador, 40170-115, Brazil.
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Andre RS, Schneider R, DeLima GR, Fugikawa-Santos L, Correa DS. Wireless Sensor for Meat Freshness Assessment Based on Radio Frequency Communication. ACS Sens 2024; 9:631-637. [PMID: 38323985 DOI: 10.1021/acssensors.3c01657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Wireless communication technologies, particularly radio frequency (RF), have been widely explored for wearable electronics with secure and user-friendly information transmission. By exploiting the operational principle of chemically actuated resonant devices (CARDs) and the electrical response observed in chemiresistive materials, we propose a simple and hands-on alternative to design and manufacture RF tags that function as CARDs for wireless sensing of meat freshness. Specifically, the RF antennas were meticulously designed and fabricated by lithography onto a flexible substrate with conductive tape, and the RF signal was characterized in terms of amplitude and peak resonant frequency. Subsequently, a single-walled carbon nanotube (SWCNT)/MoS2/In2O3 chemiresistive composite was incorporated into the RF tag to convey it as CARDs. The RF signal was then utilized to establish a correlation between the sensor's electrical response and the RF attenuation signal (reflection coefficient) in the presence of volatile amines and seafood (shrimp) samples. The freshness of the seafood samples was systematically assessed throughout the storage time by utilizing the CARDs, thereby underscoring their effective potential for monitoring food quality. Specifically, the developed wireless tags provide cumulative amine exposure data within the food package, demonstrating a gradual decrease in radio frequency signals. This study illustrates the versatility of RF tags integrated with chemiresistors as a promising pathway toward scalable, affordable, and portable wireless chemical sensors.
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Affiliation(s)
- Rafaela S Andre
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970 São Carlos, SP, Brazil
| | - Rodrigo Schneider
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970 São Carlos, SP, Brazil
- PPGQ, Department of Chemistry, Center for Exact Sciences and Technology, Federal University of Sao Carlos (UFSCar), 13565-905 Sao Carlos, SP, Brazil
| | - Guilherme R DeLima
- Institute of Biosciences, Letters and Exact Sciences, São Paulo State University - UNESP, 15054-000 São José do Rio Preto, SP, Brazil
| | - Lucas Fugikawa-Santos
- Institute of Biosciences, Letters and Exact Sciences, São Paulo State University - UNESP, 15054-000 São José do Rio Preto, SP, Brazil
- Institute of Geosciences and Exact Sciences, São Paulo State University - UNESP, 13506-900 Rio Claro, SP, Brazil
| | - Daniel S Correa
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970 São Carlos, SP, Brazil
- PPGQ, Department of Chemistry, Center for Exact Sciences and Technology, Federal University of Sao Carlos (UFSCar), 13565-905 Sao Carlos, SP, Brazil
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Teodoro KBR, Silva MJ, Andre RS, Schneider R, Martins MA, Mattoso LHC, Correa DS. Exploring the potential of cellulose autofluorescence for optical detection of tannin in red wines. Carbohydr Polym 2024; 324:121494. [PMID: 37985086 DOI: 10.1016/j.carbpol.2023.121494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 09/08/2023] [Accepted: 10/12/2023] [Indexed: 11/22/2023]
Abstract
The growing demand for opto-electronic devices within an automated landscape has opened up new opportunities for harnessing sustainable cellulose materials for sensors technology. Cellulose, a versatile material, enables its combination with other materials, but in most of these applications, cellulose is typically employed as support or substrate, while its inherent autofluorescence remains largely underexplored for sensors. In light of this context, this study delves into the autofluorescence characteristics of pristine cellulose nanocrystals extracted from wood via enzymatic route for optical sensors tailored to detect tannins. By fine-tuning the experimental setup, photoluminescence (PL) emission bands were scrutinized across three distinct spectral regions, namely 300-400 nm, 400-500 nm and 550-700 nm. The proposed mechanism reveals the occurrence of dynamic fluorescence quenching, which enabled the selective monitoring of tannins in red wines across a dynamic range spanning from 10 to 1060 μg mL-1. This sensing platform provided a limit of detection (LoD) of 6.1 μg mL-1. Notably, the sensing platform's efficacy was validated with remarkable recovery rates of 99.7 % and 95.3 % when subjected to testing with cabernet sauvignon and tannat wines. These findings emphasize the sensing platform's potential for monitoring tannic acids in beverages and food products.
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Affiliation(s)
- Kelcilene B R Teodoro
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentation, 13560-970 São Carlos, SP, Brazil.
| | - Maycon J Silva
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentation, 13560-970 São Carlos, SP, Brazil; PPGQ, Department of Chemistry, Center for Exact Sciences and Technology, Federal University of São Carlos (UFSCar), 13565-905 São Carlos, SP, Brazil
| | - Rafaela S Andre
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentation, 13560-970 São Carlos, SP, Brazil
| | - Rodrigo Schneider
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentation, 13560-970 São Carlos, SP, Brazil; PPGQ, Department of Chemistry, Center for Exact Sciences and Technology, Federal University of São Carlos (UFSCar), 13565-905 São Carlos, SP, Brazil
| | - Maria A Martins
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentation, 13560-970 São Carlos, SP, Brazil
| | - Luiz H C Mattoso
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentation, 13560-970 São Carlos, SP, Brazil
| | - Daniel S Correa
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentation, 13560-970 São Carlos, SP, Brazil.
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Facure MH, Andre RS, Cardoso RM, Mercante LA, Correa DS. Electrochemical and optical dual-mode detection of phenolic compounds using MnO2/GQD nanozyme. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Andre RS, Mercante LA, Facure MHM, Sanfelice RC, Fugikawa-Santos L, Swager TM, Correa DS. Recent Progress in Amine Gas Sensors for Food Quality Monitoring: Novel Architectures for Sensing Materials and Systems. ACS Sens 2022; 7:2104-2131. [PMID: 35914109 DOI: 10.1021/acssensors.2c00639] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The increasing demand for food production has necessitated the development of sensitive and reliable methods of analysis, which allow for the optimization of storage and distribution while ensuring food safety. Methods to quantify and monitor volatile and biogenic amines are key to minimizing the waste of high-protein foods and to enable the safe consumption of fresh products. Novel materials and device designs have allowed the development of portable and reliable sensors that make use of different transduction methods for amine detection and food quality monitoring. Herein, we review the past decade's advances in volatile amine sensors for food quality monitoring. First, the role of volatile and biogenic amines as a food-quality index is presented. Moreover, a comprehensive overview of the distinct amine gas sensors is provided according to the transduction method, operation strategies, and distinct materials (e.g., metal oxide semiconductors, conjugated polymers, carbon nanotubes, graphene and its derivatives, transition metal dichalcogenides, metal organic frameworks, MXenes, quantum dots, and dyes, among others) employed in each case. These include chemoresistive, fluorometric, colorimetric, and microgravimetric sensors. Emphasis is also given to sensor arrays that record the food quality fingerprints and wireless devices that operate as radiofrequency identification (RFID) tags. Finally, challenges and future opportunities on the development of new amine sensors are presented aiming to encourage further research and technological development of reliable, integrated, and remotely accessible devices for food-quality monitoring.
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Affiliation(s)
- Rafaela S Andre
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970, Sao Carlos, São Paulo, Brazil
| | - Luiza A Mercante
- Institute of Chemistry, Federal University of Bahia (UFBA), 40170-280, Salvador, Bahia, Brazil
| | - Murilo H M Facure
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970, Sao Carlos, São Paulo, Brazil.,PPGQ, Department of Chemistry, Center for Exact Sciences and Technology, Federal University of Sao Carlos (UFSCar), 13565-905, Sao Carlos, São Paulo, Brazil
| | - Rafaela C Sanfelice
- Science and Technology Institute, Federal University of Alfenas, 37715-400, Poços de Caldas, Minas Gerais, Brazil
| | - Lucas Fugikawa-Santos
- São Paulo State University - UNESP, Institute of Geosciences and Exact Sciences, 13506-700, Rio Claro, São Paulo, Brazil
| | - Timothy M Swager
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Daniel S Correa
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970, Sao Carlos, São Paulo, Brazil.,PPGQ, Department of Chemistry, Center for Exact Sciences and Technology, Federal University of Sao Carlos (UFSCar), 13565-905, Sao Carlos, São Paulo, Brazil
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Abstract
Quality control in the production and processing of raw meat is currently one of the biggest concerns for food industry and would benefit from portable and wireless sensors capable of detecting the onset of spoilage. Raw meat is a natural source of biogenic and volatile amines as byproducts of decarboxylation reactions, and the levels of these compounds can be utilized as quality control parameters. We report herein a hybrid chemiresistor sensor based on inorganic nanofibers of SiO2:ZnO (an n-type material) and single-walled carbon nanotubes functionalized with 3,5-dinitrophenyls (a p-type material) with dosimetric sensitivity ∼40 times higher for amines than for other volatile organic compounds, which also provides excellent selectivity. The hybrid nanomaterial-based chemiresistor sensory material was used to convert radio-frequency identification tags into chemically actuated resonant devices, which constitute wireless sensors that can be potentially employed in packaging to report on the quality of meat. Specifically, the as-developed wireless tags report on cumulative amine exposure inside the meat package, showing a decrease in radio-frequency signals to the point wherein the sensor ceased to be smartphone-readable. These hybrid material-modified wireless tags offer a path to scalable, affordable, portable, and wireless chemical sensor technology for food quality monitoring without the need to open the packaging.
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Affiliation(s)
- Rafaela S. Andre
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970 São Carlos, São Paulo, Brazil
| | - Quynh P. Ngo
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Lucas Fugikawa-Santos
- Institute of Geosciences and Exact Sciences, São Paulo State University (UNESP), 13506-700 Rio Claro, São Paulo, Brazil
| | - Daniel S. Correa
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970 São Carlos, São Paulo, Brazil
| | - Timothy M. Swager
- Department of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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Abstract
Ethylene is a dynamic plant hormone, and its temporal monitoring can be used to glean insight into plant health and status. However, the real-time distributed detection of ethylene at trace levels under ambient conditions remains a challenge. We report a single-walled carbon nanotube-based chemiresistor catalyst combination that can detect ppb levels of ethylene in air. Cycling between Pd(II) and Pd(0) via Wacker oxidation with a nitrite cocatalyst imparts response discrimination driven by the chemoselectivity of the chemical transformation. Sensitivity is controlled by a combination of the chemical reaction efficiency and the n-doping strength of the Pd(0) species generated in situ. The covalent functionalization of the carbon nanotube sidewall with pyridyl ligands drastically improves the device sensitivity via enhanced n-doping. The utility of this ethylene sensor is demonstrated in the monitoring of senescence in red carnations and purple lisianthus flowers.
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Affiliation(s)
- Darryl Fong
- Department
of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Shao-Xiong Luo
- Department
of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Rafaela S. Andre
- Department
of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
- Nanotechnology
National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970, São Carlos, São Paulo, Brazil
| | - Timothy M. Swager
- Department
of Chemistry and Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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Mercante LA, Andre RS, Schneider R, Mattoso LHC, Correa DS. Free-standing SiO2/TiO2–MoS2 composite nanofibrous membranes as nanoadsorbents for efficient Pb(ii) removal. NEW J CHEM 2020. [DOI: 10.1039/d0nj02561e] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The practical utility of a hybrid material based on flexible free-standing ceramic nanofibers functionalized with MoS2 for heavy metal removal.
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Affiliation(s)
- Luiza A. Mercante
- Nanotechnology National Laboratory for Agriculture
- Embrapa Instrumentação
- São Carlos
- Brazil
- General and Inorganic Chemistry Department
| | - Rafaela S. Andre
- Nanotechnology National Laboratory for Agriculture
- Embrapa Instrumentação
- São Carlos
- Brazil
| | - Rodrigo Schneider
- Nanotechnology National Laboratory for Agriculture
- Embrapa Instrumentação
- São Carlos
- Brazil
- PPGQ, Department of Chemistry
| | - Luiz H. C. Mattoso
- Nanotechnology National Laboratory for Agriculture
- Embrapa Instrumentação
- São Carlos
- Brazil
| | - Daniel S. Correa
- Nanotechnology National Laboratory for Agriculture
- Embrapa Instrumentação
- São Carlos
- Brazil
- PPGQ, Department of Chemistry
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Terra IAA, Mercante LA, Andre RS, Correa DS. Fluorescent and Colorimetric Electrospun Nanofibers for Heavy-Metal Sensing. Biosensors (Basel) 2017; 7:E61. [PMID: 29244741 PMCID: PMC5746784 DOI: 10.3390/bios7040061] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Revised: 12/09/2017] [Accepted: 12/13/2017] [Indexed: 12/11/2022]
Abstract
The accumulation of heavy metals in the human body and/or in the environment can be highly deleterious for mankind, and currently, considerable efforts have been made to develop reliable and sensitive techniques for their detection. Among the detection methods, chemical sensors appear as a promising technology, with emphasis on systems employing optically active nanofibers. Such nanofibers can be obtained by the electrospinning technique, and further functionalized with optically active chromophores such as dyes, conjugated polymers, carbon-based nanomaterials and nanoparticles, in order to produce fluorescent and colorimetric nanofibers. In this review we survey recent investigations reporting the use of optically active electrospun nanofibers in sensors aiming at the specific detection of heavy metals using colorimetry and fluorescence methods. The examples given in this review article provide sufficient evidence of the potential of optically electrospun nanofibers as a valid approach to fabricate highly selective and sensitive optical sensors for fast and low-cost detection of heavy metals.
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Affiliation(s)
- Idelma A A Terra
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, São Carlos 13560-970, SP, Brazil.
| | - Luiza A Mercante
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, São Carlos 13560-970, SP, Brazil.
- PPG-CEM, Department of Materials Engineering, Center for Exact Sciences and Technology, Federal University of São Carlos (UFSCar), São Carlos 13565-905, SP, Brazil.
| | - Rafaela S Andre
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, São Carlos 13560-970, SP, Brazil.
| | - Daniel S Correa
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, São Carlos 13560-970, SP, Brazil.
- PPGQ, Department of Chemistry, Center for Exact Sciences and Technology, Federal University of São Carlos (UFSCar), São Carlos 13565-905, SP, Brazil.
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Andre RS, Pavinatto A, Mercante LA, Paris EC, Mattoso LHC, Correa DS. Improving the electrochemical properties of polyamide 6/polyaniline electrospun nanofibers by surface modification with ZnO nanoparticles. RSC Adv 2015. [DOI: 10.1039/c5ra15588f] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
ZnO nanoparticles adsorbed onto electrospun nanofiber surfaces improve the electron transfer kinetics and increase the electrode electroactive area. The modified electrodes can be a potential platform for electrochemical applications.
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Affiliation(s)
- Rafaela S. Andre
- National Laboratory for Nanotechnology in Agribusiness (LNNA)
- Embrapa Instrumentation
- São Carlos
- Brazil
- Center for Exact Sciences and Technology
| | - Adriana Pavinatto
- National Laboratory for Nanotechnology in Agribusiness (LNNA)
- Embrapa Instrumentation
- São Carlos
- Brazil
| | - Luiza A. Mercante
- National Laboratory for Nanotechnology in Agribusiness (LNNA)
- Embrapa Instrumentation
- São Carlos
- Brazil
| | - Elaine C. Paris
- National Laboratory for Nanotechnology in Agribusiness (LNNA)
- Embrapa Instrumentation
- São Carlos
- Brazil
- Center for Exact Sciences and Technology
| | - Luiz H. C. Mattoso
- National Laboratory for Nanotechnology in Agribusiness (LNNA)
- Embrapa Instrumentation
- São Carlos
- Brazil
- Center for Exact Sciences and Technology
| | - Daniel S. Correa
- National Laboratory for Nanotechnology in Agribusiness (LNNA)
- Embrapa Instrumentation
- São Carlos
- Brazil
- Center for Exact Sciences and Technology
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