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Bouallegue A, Sabbah M, Di Pierro P, Salamatullah AM, Bourhia M, Ellouz-Chaabouni S. Properties of Active Levan-Bitter Vetch Protein Films for Potential Use in Food Packaging Applications. ACS OMEGA 2023; 8:42787-42796. [PMID: 38024774 PMCID: PMC10652369 DOI: 10.1021/acsomega.3c05627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 10/08/2023] [Accepted: 10/19/2023] [Indexed: 12/01/2023]
Abstract
ζ-potential and Z-average were determined on film-forming solutions of bitter vetch-levan-based films prepared at different ratios in the absence and presence of glycerol as a plasticizer. The casting method was used to obtain manageable films. The results revealed that levan increases the elongation at break of bitter vetch protein films and reduces the tensile strength. The optimal result was obtained through the film that was prepared with the ratio of 50% bitter vetch proteins and 50% levan, in terms of mechanical properties. The surfaces of the prepared films appeared to be more compact and smooth. On increasing the glycerol concentration in the bitter vetch protein-levan films, the oxygen and water vapor permeability increased compared to the control (P < 0.05). Based on the overall results, the reinforcement of bitter vetch proteins with levan at a ratio of 1:1 represents optimal film properties in the presence of a low concentration of glycerol. The proposed film is suggested as an innovative packaging system for beef meat to preserve its quality over time.
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Affiliation(s)
- Amir Bouallegue
- Laboratory
for the Improvement of Plants and Valorization of Agroressources,
National School of Engineering of Sfax (ENIS), University of Sfax, Sfax 3038, Tunisia
| | - Mohammed Sabbah
- Department
of Nutrition and Food Technology, An-Najah
National University, P.O. Box 7 Nablus, Palestine
| | - Prospero Di Pierro
- Department
of Chemical Sciences, University of Naples
“Federico II”, 80126 Naples, Italy
| | - Ahmad Mohammad Salamatullah
- Department
of Food Science & Nutrition, College of Food and Agricultural
Sciences, King Saud University, 11 P.O. Box 2460, Riyadh 11451, Saudi Arabia
| | - Mohammed Bourhia
- Department
of Chemistry and Biochemistry, Faculty of Medicine and Pharmacy, Ibn Zohr University, Laayoune 70000, Morocco
| | - Semia Ellouz-Chaabouni
- Laboratory
for the Improvement of Plants and Valorization of Agroressources,
National School of Engineering of Sfax (ENIS), University of Sfax, Sfax 3038, Tunisia
- Common Service
Unit of Bioreactor Coupled with an Ultrafilter, National School of
Engineering, Sfax University, P.O. Box 1173, Sfax 3038, Tunisia
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Chu B, Chen Z, Shi H, Wu X, Wang H, Dong F, He Y. Fluorescence, ultrasonic and photoacoustic imaging for analysis and diagnosis of diseases. Chem Commun (Camb) 2023; 59:2399-2412. [PMID: 36744435 DOI: 10.1039/d2cc06654h] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Biomedical imaging technology, which allows us to peer deeply within living subjects and visually explore the delivery and distribution of agents in living things, is producing tremendous opportunities for the early diagnosis and precise therapy of diseases. In this feature article, based on reviewing the latest representative examples of progress together with our recent efforts in the bioimaging field, we intend to introduce three typical kinds of non-invasive imaging technologies, i.e., fluorescence, ultrasonic and photoacoustic imaging, in which optical and/or acoustic signals are employed for analyzing various diseases. In particular, fluorescence imaging possesses a series of outstanding advantages, such as high temporal resolution, as well as rapid and sensitive feedback. Hence, in the first section, we will introduce the latest studies on developing novel fluorescence imaging methods for imaging bacterial infections, cancer and lymph node metastasis in a long-term and real-time manner. However, the issues of imaging penetration depth induced by photon scattering and light attenuation of biological tissue limit their widespread in vivo imaging applications. Taking advantage of the excellect penetration depth of acoustic signals, ultrasonic imaging has been widely applied for determining the location, size and shape of organs, identifying normal and abnormal tissues, as well as confirming the edges of lesions in hospitals. Thus, in the second section, we will briefly summarize recent advances in ultrasonic imaging techniques for diagnosing diseases in deep tissues. Nevertheless, the absence of lesion targeting and dependency on a professional technician may lead to the possibility of false-positive diagnosis. By combining the merits of both optical and acoustic signals, newly-developed photoacoustic imaging, simultaneously featuring higher temporal and spatial resolution with good sensitivity, as well as deeper penetration depth, is discussed in the third secretion. In the final part, we further discuss the major challenges and prospects for developing imaging technology for accurate disease diagnosis. We believe that these non-invasive imaging technologies will introduce a new perspective for the precise diagnosis of various diseases in the future.
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Affiliation(s)
- Binbin Chu
- Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China.
| | - Zhiming Chen
- Department of Ultrasound, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China.
| | - Haoliang Shi
- Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China.
| | - Xiaofeng Wu
- Department of Ultrasound, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China.
| | - Houyu Wang
- Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China.
| | - Fenglin Dong
- Department of Ultrasound, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China.
| | - Yao He
- Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China.
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Sun Y, Li Q, Du X, Thipe V, Vardhanabhuti B, Sengupta S, Katti K, Wan C. Lignin-containing Nanocellulose for in situ Chemical-Free Synthesis of AgAu-based Nanoparticles with Potent Antibacterial Activities. ACS OMEGA 2022; 7:41548-41558. [PMID: 36406527 PMCID: PMC9670259 DOI: 10.1021/acsomega.2c05400] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
Lignin-containing nanocelluloses (LNCs) have the properties of both lignin and nanocellulose and could overcome the limits of both individual components in metallic nanoparticle synthesis. However, studies on LNCs are still limited, and the potential of such nanomaterials for metallic nanoparticle synthesis has not been fully unraveled. In this study, monometallic silver, gold nanoparticles, and Ag-Au-AgCl nanohybrids were synthesized in situ utilizing LNCs in a chemical-free approach. The parameters, including Ag+ and Au3+ concentrations as well as [Au3+]/[Ag+] ratios, were investigated for their effects on the nanoparticle synthesis. The characterizations, including UV-vis spectrophotometry, transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), X-ray powder diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR), confirmed the coexistence of Ag, Au, and AgCl while indicating the key role of lignin and oxygen-containing functional groups in the nanoparticle synthesis. The as-synthesized AgNPs-, AuNPs-, and nanohybrids-LNC samples were tested for their antibacterial activities. In comparison to the monometallic AgNPs-LNC sample, nanohybrids-LNC synthesized with 0.063 mM Au3+ loading showed superior antibacterial activities with minimum inhibitory concentrations (MICs) at 5 μg/mL against Gram-positive Staphylococcus aureus and 10 μg/mL against Gram-negative Salmonella typhimurium with controlled Ag+ release. The results indicated that LNCs can be used to synthesize metallic nanoparticles, and the resultant Ag-Au-AgCl nanohybrids were a potent antibacterial agent with reduced environmental impacts.
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Affiliation(s)
- Yisheng Sun
- Department
of Biomedical, Biological, and Chemical Engineering, University of Missouri, Columbia, Missouri 65211, United States
| | - Qianwei Li
- Department
of Biomedical, Biological, and Chemical Engineering, University of Missouri, Columbia, Missouri 65211, United States
| | - Xiangwei Du
- Veterinary
Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri, Columbia, Missouri 65211, United States
| | - Velaphi Thipe
- Department
of Radiology, University of Missouri, Columbia, Missouri 65211, United States
| | - Bongkosh Vardhanabhuti
- Division
of Food, Nutrition, and Excises Sciences, Columbia, Missouri 65211, United States
| | - Shramik Sengupta
- Department
of Biomedical, Biological, and Chemical Engineering, University of Missouri, Columbia, Missouri 65211, United States
| | - Kattesh Katti
- Department
of Radiology, University of Missouri, Columbia, Missouri 65211, United States
| | - Caixia Wan
- Department
of Biomedical, Biological, and Chemical Engineering, University of Missouri, Columbia, Missouri 65211, United States
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