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Rilievo G, Cencini A, Cecconello A, Currò S, Bortoletti M, Leszczyńska K, Górska S, Fasolato L, Tonolo F, de Almeida Roger J, Vianello F, Magro M. Interactions between prokaryotic polysaccharides and colloidal magnetic nanoparticles for bacteria removal: A strategy for circumventing antibiotic resistance. Int J Biol Macromol 2024; 274:133415. [PMID: 38925181 DOI: 10.1016/j.ijbiomac.2024.133415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Revised: 06/15/2024] [Accepted: 06/23/2024] [Indexed: 06/28/2024]
Abstract
Highly stable, colloidal iron oxide nanoparticles with an oxyhydroxide-like surface were used as bacteria-capturing nano-baits. Peptidoglycan isolated from Listeria spp was used as bacteria polysaccharide model, and the nanoparticle binding was characterized showing a Langmuir isotherm constant, KL, equal to 50 ± 3 mL mg-1. The chemical affinity was further supported by dynamic light scattering, transmission electron microscopy, and infrared and UV-Vis data, pointing at the occurrence of extended, coordinative multiple point bindings. The interaction with Gram (+) (Listeria spp) and Gram (-) (Aeromonas veronii) bacteria was shown to be effective and devoid of any toxic effect. Moreover, a real sample, containing a population of several oligotrophic bacteria strains, was incubated with 1 g L-1 of nanoparticle suspension, in the absence of agitation, showing a 100 % capture efficiency, according to plate count. A nanoparticle regeneration method was developed, despite the known irreversibility of such bacterial-nanosurface binding, restoring the bacteria capture capability. This nanomaterial represents a competitive option to eliminate microbiological contamination in water as an alternative strategy to antibiotics, aimed at reducing microbial resistance dissemination. Finally, beyond their excellent features in terms of colloidal stability, binding performances, and biocompatibility this nanoparticle synthesis is cost effective, scalable, and environmentally sustainable.
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Affiliation(s)
- Graziano Rilievo
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | - Aura Cencini
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | - Alessandro Cecconello
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy.
| | - Sarah Currò
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | - Martina Bortoletti
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | - Katarzyna Leszczyńska
- Microbiome Immunobiology Laboratory, Hirszfeld Institute of Immunology and Experimental Therapy Polish Academy of Sciences, Poland
| | - Sabina Górska
- Microbiome Immunobiology Laboratory, Hirszfeld Institute of Immunology and Experimental Therapy Polish Academy of Sciences, Poland
| | - Luca Fasolato
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | - Federica Tonolo
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | | | - Fabio Vianello
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | - Massimiliano Magro
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy.
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2
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Papatola F, Slimani S, Peddis D, Pellis A. Biocatalyst immobilization on magnetic nano-architectures for potential applications in condensation reactions. Microb Biotechnol 2024; 17:e14481. [PMID: 38850268 PMCID: PMC11162105 DOI: 10.1111/1751-7915.14481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/30/2024] [Accepted: 05/07/2024] [Indexed: 06/10/2024] Open
Abstract
In this review article, a perspective on the immobilization of various hydrolytic enzymes onto magnetic nanoparticles for synthetic organic chemistry applications is presented. After a first part giving short overview on nanomagnetism and highlighting advantages and disadvantages of immobilizing enzymes on magnetic nanoparticles (MNPs), the most important hydrolytic enzymes and their applications were summarized. A section reviewing the immobilization techniques with a particular focus on supporting enzymes on MNPs introduces the reader to the final chapter describing synthetic organic chemistry applications of small molecules (flavour esters) and polymers (polyesters and polyamides). Finally, the conclusion and perspective section gives the author's personal view on further research discussing the new idea of a synergistic rational design of the magnetic and biocatalytic component to produce novel magnetic nano-architectures.
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Affiliation(s)
- F Papatola
- Dipartimento di Chimica e Chimica Industriale, Università di Genova, Genoa, Italy
| | - S Slimani
- Dipartimento di Chimica e Chimica Industriale, Università di Genova, Genoa, Italy
- CNR, Istituto di Struttura Della Materia, nM2-Lab, Monterotondo Scalo (Roma), Italy
| | - D Peddis
- Dipartimento di Chimica e Chimica Industriale, Università di Genova, Genoa, Italy
- CNR, Istituto di Struttura Della Materia, nM2-Lab, Monterotondo Scalo (Roma), Italy
| | - A Pellis
- Dipartimento di Chimica e Chimica Industriale, Università di Genova, Genoa, Italy
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3
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Barbosa JRM, Santos ASGG, Viana AT, Gonçalves AG, Nunes OC, Pereira MFR, Soares OSGP. Carbon-based materials for water disinfection and heavy metals removal. ENVIRONMENTAL TECHNOLOGY 2024; 45:1810-1828. [PMID: 36469607 DOI: 10.1080/09593330.2022.2154173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
The presence of heavy metals and/or harmful bacteria in drinking water represents significant risks to human health. This study aimed to develop a low-cost water treatment technology using synthesized nanocomposites with metal nanoparticles supported on activated carbon (AC) for bacteria and heavy metal removal. In addition, the performance of the developed nanomaterials was compared with that of commercial materials - carbon fibers of three different typologies. The chemical and textural properties of all tested materials were characterized. To simulate a technology to be applied in a water outlet point, removal tests were carried out in a continuous system using suspensions of Escherichia coli and/or Staphylococcus aureus, wherein the contact time with the two phases was minimal (1 min). The obtained results revealed that iron and copper oxides supported on AC with a calcination treatment (CuFeO/AC-C) was the nanocomposite with the best performance, achieving a 6 log reduction for both bacteria in the same suspension up to 9 h operation. A mix of bacteria and heavy metals, simulating a real water, was treated with CuFeO/AC-C obtaining a 6 log reduction of bacteria, a Pb2+ removal >99.9% and Cd2+ removal between 97 and 98% over 180 passage times.
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Affiliation(s)
- José R M Barbosa
- Departamento de Engenharia Química, Faculdade de Engenharia, Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Universidade do Porto, Porto, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal
| | - A Sofia G G Santos
- Departamento de Engenharia Química, Faculdade de Engenharia, Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Universidade do Porto, Porto, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal
| | - A T Viana
- ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal
- Departamento de Engenharia Química, Faculdade de Engenharia, Laboratory for Process Engineering, Environment, Biotechnology and Energy (LEPABE), Universidade do Porto, Porto, Portugal
| | | | - Olga C Nunes
- ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal
- Departamento de Engenharia Química, Faculdade de Engenharia, Laboratory for Process Engineering, Environment, Biotechnology and Energy (LEPABE), Universidade do Porto, Porto, Portugal
| | - M Fernando R Pereira
- Departamento de Engenharia Química, Faculdade de Engenharia, Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Universidade do Porto, Porto, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal
| | - O Salomé G P Soares
- Departamento de Engenharia Química, Faculdade de Engenharia, Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM), Universidade do Porto, Porto, Portugal
- ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal
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Wu J, Li S, Ma Y, Zhi W, Chen T, Huang X, Huang C, Zhou X, Zhang P, Zhang Y, Zheng G, Wang Z, Zhong X, Cai H, Wang W, Sun P, Zhou H. 3D hierarchic interfacial assembly of Au nanocage@Au along with IS-AgMNPs for simultaneous, ultrasensitive, reliable, and quantitative SERS detection of colorectal cancer related miRNAs. Biosens Bioelectron 2024; 248:115993. [PMID: 38183788 DOI: 10.1016/j.bios.2023.115993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/22/2023] [Accepted: 12/28/2023] [Indexed: 01/08/2024]
Abstract
Simultaneous, reliable, and ultra-sensitive analysis of promising miRNA biomarkers of colorectal cancer (CRC) in serum is critical for early diagnosis and prognosis of CRC. In this work, we proposed a novel 3D hierarchic assembly clusters-based SERS strategy with dual enrichment and enhancement designed for the ultrasensitive and quantitative analysis of two upregulated CRC-related miRNAs (miR-21 and miR-31). The biosensor contains the following: (1) SERS probe, Au nanocage@Au nanoparticles (AuNC@Au NPs) labeled with Raman reporters (RaRs). (2) magnetic capture unit, Ag-coated Fe3O4 magnetic nanoparticles (AgMNPs) modified with internal standard (IS). (3) signal amplify probes (SA probes) for the formation of hierarchic assembly clusters. Based on this sensing strategy, the intensity ratio IRaRs/IIS with Lg miRNAs presents a wide linear range (10 aM-100 pM) with a limit of detection of 3.46 aM for miR-21, 6.49 aM for miR-31, respectively. Moreover, the biosensor shows good specificity and anti-interference ability, and the reliability and repeatability of the strategy were then verified by practical detection of clinical serum. Finally, the biosensor can distinguish CRC cancer subjects from normal ones and guide the distinct tumor, lymph node, and metastasis (TNM) stages. Overall, benefiting from the face-to-face coupling of hierarchic assembly clusters, rapid magnetic enrichment and IS signal calibration of AgMNPs, the established biosensor achieves ultra-sensitive and simultaneous detection of dual miRNAs and opens potential avenues for prediction and staging of CRC.
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Affiliation(s)
- Jiamin Wu
- College of Pharmacy, The Second Clinical Medical College (Shenzhen People's Hospital), The Fifth Affiliated Hospital, Jinan University, Guangzhou 510632, China
| | - Shengrong Li
- College of Pharmacy, The Second Clinical Medical College (Shenzhen People's Hospital), The Fifth Affiliated Hospital, Jinan University, Guangzhou 510632, China
| | - Yiling Ma
- College of Pharmacy, The Second Clinical Medical College (Shenzhen People's Hospital), The Fifth Affiliated Hospital, Jinan University, Guangzhou 510632, China
| | - Weixia Zhi
- College of Pharmacy, The Second Clinical Medical College (Shenzhen People's Hospital), The Fifth Affiliated Hospital, Jinan University, Guangzhou 510632, China
| | - Tingting Chen
- College of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China
| | - Xueqin Huang
- College of Pharmacy, The Second Clinical Medical College (Shenzhen People's Hospital), The Fifth Affiliated Hospital, Jinan University, Guangzhou 510632, China
| | - Chan Huang
- College of Pharmacy, The Second Clinical Medical College (Shenzhen People's Hospital), The Fifth Affiliated Hospital, Jinan University, Guangzhou 510632, China
| | - Xia Zhou
- College of Pharmacy, The Second Clinical Medical College (Shenzhen People's Hospital), The Fifth Affiliated Hospital, Jinan University, Guangzhou 510632, China
| | - Pengcheng Zhang
- College of Chemistry and Chemical Engineering, Zhoukou Normal University, Zhoukou 466001, China
| | - Yuan Zhang
- School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
| | - Guangchao Zheng
- School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450052, China
| | - Zhigang Wang
- The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Xing Zhong
- The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Huaihong Cai
- College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
| | - Wenxia Wang
- College of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China.
| | - Pinghua Sun
- College of Pharmacy, The Second Clinical Medical College (Shenzhen People's Hospital), The Fifth Affiliated Hospital, Jinan University, Guangzhou 510632, China.
| | - Haibo Zhou
- College of Pharmacy, The Second Clinical Medical College (Shenzhen People's Hospital), The Fifth Affiliated Hospital, Jinan University, Guangzhou 510632, China.
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Akbari M, Rezayan AH, Rastegar H, Alebouyeh M, Yahyaei M. Design and synthesis of vancomycin-functionalized ZnFe 2 O 4 nanoparticles as an effective antibacterial agent against methicillin-resistant Staphylococcus aureus. Drug Dev Res 2024; 85:e22148. [PMID: 38349268 DOI: 10.1002/ddr.22148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/30/2023] [Accepted: 01/03/2024] [Indexed: 02/15/2024]
Abstract
The emergence of antibiotic-resistant bacterial infections is a principal threat to global health. Functionalization of nanomaterial with antibiotics is known as a useful method for increasing the effectiveness of existing antibiotics. In this study, vancomycin-functionalized ZnFe2 O4 nanocomposite (ZnFe2 O4 @Cell@APTES@Van) was synthesized, and its functional groups and particle size were characterized using Fourier-transform infrared spectroscopy, thermogravimetric analysis, dynamic light scattering, scanning electron microscope, and transmission electron microscopy. The antibacteria activity of the synthesized nanocomposite was evaluated using minimum inhibitory concentration and minimum bactericidal concentration against Escherichia coli, Staphylococcus aureus, and methicillin-resistant Staphylococcus aureus (MRSA). Cytotoxicity assay was done by 2,3-bis-(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilide method. Characterization analyses of synthesized nanocomposite confirmed the binding of vancomysin on the surface of ZnFe2 O4 @Cell@APTES. Nanocomposite exhibited an aggregated semi-spherical structure with hydrodynamic radii of ∼382 nm. In vitro antibacterial activity test showed that vancomycin and vancomycin functionalized ZnFe2 O4 have no antibacterial effect against E. coli. S. aureus was sensitive to vancomycin and ZnFe2 O4 @Cell@APTES@Van NPs and ZnFe2 O4 NPs did not improve vancomycin antibacterial activity against these bacteria. MRSA is resistant to vancomycin while ZnFe2 O4 @Cell@APTES@Van NPs was efficient in inhibiting MRSA growth. In summary, this study showed that attachment of vancomycin to ZnFe2 O4 NPs was increased its antibacterial activity against MRSA.
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Affiliation(s)
- Minoo Akbari
- Department of Nanobiotechnology and Biomimetics, Faculty of Life Science Engineering, College of Interdisciplinary Science and Technology, University of Tehran, Tehran, Iran
| | - Ali Hossein Rezayan
- Department of Nanobiotechnology and Biomimetics, Faculty of Life Science Engineering, College of Interdisciplinary Science and Technology, University of Tehran, Tehran, Iran
| | - Hossein Rastegar
- Cosmetic Products Research Center, Iran Food and Drug Administration, Ministry of Health and Medical Education, Tehran, Iran
| | - Mahmoud Alebouyeh
- Cosmetic Products Research Center, Iran Food and Drug Administration, Ministry of Health and Medical Education, Tehran, Iran
| | - Mohammad Yahyaei
- Department of Animal Science, Faculty of Agriculture and Natural Resources, Arak University, Arak, Iran
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6
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El-Maraghy CM, Saleh SS, Ibrahim MS, El-Naem OA. Green wastewater treatment of repurposed COVID-19 therapy (levofloxacin) using synthesized magnetite pectin nanoparticles, comparison with mesoporous silica nanoparticles. BMC Chem 2023; 17:134. [PMID: 37814299 PMCID: PMC10563343 DOI: 10.1186/s13065-023-01048-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 09/22/2023] [Indexed: 10/11/2023] Open
Abstract
RATIONALE Antibiotics have been detected worldwide in the aquatic environment. Moreover, certain classes of antibiotics have been repurposed for the management of COVID-19, which increased their use and presence in wastewater. Their occurrence even in low concentrations leads to the development of antibiotic resistance. METHODOLOGY Magnetite pectin nanoparticles (MPNP) were fabricated and compared to an established model of mesoporous silica nanoparticles (MSNP). Our studied adsorbate is levofloxacin, a fluoroquinolone antibiotic, commonly used in managing COVID-19 cases. RESULTS The influence of various factors affecting the adsorption process was studied, such as pH, the type and concentration of the adsorbent, contact time, and drug concentration. The results illustrated that the optimum adsorption capacity for antibiotic clearance from wastewater using MPNP was at pH 4 with a contact time of 4 h; while using MSNP, it was found to be optimum at pH 7 with a contact time of 12 h at concentrations of 10 µg/mL and 16 g/L of the drug and nanoparticles, respectively, showing adsorption percentages of 96.55% and 98.89%. Drug adsorption equilibrium data obeyed the Sips isotherm model. DISCUSSION AND CONCLUSION HPLC assay method was developed and validated. The experimental results revealed that the MPNP was as efficient as MSNP for removing the antibacterial agent. Moreover, MPNP is eco-friendly (a natural by-product of citrus fruit) and more economic as it could be recovered and reused. The procedure was evaluated according to the greenness assessment tools: AGREE calculator and Hexagon-CALIFICAMET, showing good green scores, ensuring the process's eco-friendliness.
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Affiliation(s)
- Christine M El-Maraghy
- Analytical Chemistry Department, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), 6th October City, 11787, Egypt
| | - Sarah S Saleh
- Analytical Chemistry Department, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), 6th October City, 11787, Egypt.
| | - Mervat S Ibrahim
- Pharmaceutics Department, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), 6th October City, 11787, Egypt
| | - Omnia A El-Naem
- Analytical Chemistry Department, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), 6th October City, 11787, Egypt
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Mahmoudi E, Baghdadi M, Mehrdadi N, Moeinpour F. Boosting environmental remediation: harnessing the efficiency of graphitic carbon nitride stabilized on red ocher surface for enhanced photocatalytic remove of Escherichia coli. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1267. [PMID: 37787789 DOI: 10.1007/s10661-023-11907-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 09/26/2023] [Indexed: 10/04/2023]
Abstract
In the present study, the antibacterial effect of graphitic carbon nitride coated on the red ocher was investigated by the photocatalytic process to remove Gram-negative Escherichia coli bacteria. The concentration effects (0.025, 0.05, and 0.1 g/mL) of disinfectant, contact time (30, 60, and 90 min), and the number of bacteria (102, 104, and 106 CFU/mL) were examined. In this research, in each experiment, 100 mL of the sample was taken, and the test work was performed. The red ocher required for this project was obtained from Hormoz Island, Hormozgan Province, Iran. Melamine was used for the synthesis and manufacture of graphitic carbon nitride. A general-purpose media was used for microbial culture using the pour and spread plate methods, as well as an LED lamp with a wavelength of 420 nm as a light source for the photocatalytic process. To obtain the important factors, the interaction of the factors and the optimal experimental design were used through the response surface methodology (RSM) based on the Box-Behnken design. According to research findings, this method is effective in eliminating E. coli. The results showed that the increase in the amount of disinfectant from 0.025 to 0.1 g/mL and also the increase of contact time from 30 to 90 min accelerated the removal rate of E. coli. The numerical value of R2 obtained for the removal of E. coli was 0.9728, indicating good agreement between experimental and predicted data. Therefore, its utilization in water disinfection seems necessary, both to ensure human health and environmental protection.
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Affiliation(s)
- Ebrahim Mahmoudi
- Department of Environmental Engineering, Kish International Campus of Tehran University, Kish, Iran.
| | - Majid Baghdadi
- Department of Environmental Engineering, Graduate Faculty of Environment, University of Tehran, P.O. Box 1417853111, Tehran, Iran
| | - Naser Mehrdadi
- Department of Environmental Engineering, Graduate Faculty of Environment, University of Tehran, P.O. Box 1417853111, Tehran, Iran
| | - Farid Moeinpour
- Department of Chemistry, Islamic Azad University, Bandar Abbas Branch, Bandar Abbas, Iran
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Prinz Setter O, Jiang X, Segal E. Rising to the surface: capturing and detecting bacteria by rationally-designed surfaces. Curr Opin Biotechnol 2023; 83:102969. [PMID: 37494819 DOI: 10.1016/j.copbio.2023.102969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/27/2023] [Accepted: 06/27/2023] [Indexed: 07/28/2023]
Abstract
Analytical microbiology has made substantial progress since its conception, starting from potato slices, through selective agar media, to engineered surfaces modified with capture probes. While the latter represents the dominant approach in designing sensors for bacteria detection, the importance of sensor surface properties is frequently ignored. Herein, we highlight their significant role in the complex process of bacterial transition from planktonic to sessile, representing the first and critical step in bacteria detection. We present the main surface features and discuss their effect on the bio-solid interface and the resulting sensing capabilities for both flat and particulate systems. The concepts of rationally-designed surfaces for enhanced bacterial detection are presented with recent examples of sensors (capture probe-free) relying solely on surface cues.
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Affiliation(s)
- Ofer Prinz Setter
- Department of Biotechnology and Food Engineering, Technion - Israel Institute of Technology, Technion City, 3200003 Haifa, Israel
| | - Xin Jiang
- Department of Biotechnology and Food Engineering, Technion - Israel Institute of Technology, Technion City, 3200003 Haifa, Israel
| | - Ester Segal
- Department of Biotechnology and Food Engineering, Technion - Israel Institute of Technology, Technion City, 3200003 Haifa, Israel; The Russel Berrie Nanotechnology Institute, Technion - Israel Institute of Technology, Technion City, 3200003 Haifa, Israel.
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9
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Tannic acid-derived selective capture of bacteria from apple juice. Food Chem 2023; 412:135539. [PMID: 36731236 DOI: 10.1016/j.foodchem.2023.135539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 01/24/2023]
Abstract
Given the enormous burden pathogens pose on human health, rapid capture and removal of bacteria for sterilization or further bacterial detection is essential. Herein, tannic acid-functionalized virus-like Fe3O4 (vFe3O4-TA) was established for bacterial enrichment. We investigated the ability of vFe3O4-TA to capture Gram-negative bacteria (E. coli, S. flex and S. typhi) and Gram-positive bacteria (S. aureus, MRSA and LM), respectively. Compared to the capture efficiency of <15 % for Gram-negative bacteria, vFe3O4-TA showed excellent selectivity and efficiency in isolating Gram-positive bacteria with >87 % removal efficiency. GFN-xTB semiempirical quantum chemical calculations revealed that the selective recognition originates from the high affinity between TA and peptidoglycan. Without impacting ingredients, the TA-mediated trapper also shows excellent ability to distinguish Gram-positive bacteria in juice samples. These results are expected to reveal the interaction of TA with bacteria, and inaugurate a potential natural safe tool for food safety control, medical treatment and environmental remediation.
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10
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Lv D, Wang M, He W, Wu J, Liu X, Guan Y. Ultra-small magnetic Candida antarctica lipase B nanoreactors for enzyme synthesis of bixin-maltitol ester. Food Chem 2023; 421:136132. [PMID: 37094396 DOI: 10.1016/j.foodchem.2023.136132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 04/01/2023] [Accepted: 04/06/2023] [Indexed: 04/26/2023]
Abstract
Bixin has desirable bioactivities but poor water solubility, which limits its practical applications. Enzymatic transesterification of methyl to alditol groups in bixin by Candida antarctica lipase B (CALB) improves bixin water solubility. Herein, magnetic CALB nanoreactors with diameter of 11.7 nm and CALB layer thickness of 3.5 nm were developed by covalently linking CALB onto silicon covered Fe3O4 nanoparticles. The CALB loading capacity in nanoreactors achieved 30%. The Michaelis constant (Km) and maximum reaction rate of magnetic CALB nanoreactors were 56.1 mmol/L and 0.2 mmol/(L·min). Magnetic CALB nanoreactors could circularly catalyze bixin-maltitol ester synthesis and keep catalytic efficiency of 62.6% after eight repetitive enzymatic reactions. Additionally, the optimal bixin-maltitol ester synthesis procedure was heating bixin-maltitol mixture at molar ratio of 1:7 in anhydrous 2-methyl-2-butanol-dimethylsulfoxide (8:2, v/v) at 50 °C for 24 h. Bixin-maltitol ester showed improved water solubility at pH 5.5 and 7.0.
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Affiliation(s)
- Danyu Lv
- Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Muyun Wang
- Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wanjun He
- Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jieli Wu
- Instrumental Analysis Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiaoyue Liu
- Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Yongguang Guan
- Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai 200240, China.
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11
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Wasilewska A, Bielicka M, Klekotka U, Kalska-Szostko B. Nanoparticle applications in food - a review. Food Funct 2023; 14:2544-2567. [PMID: 36799219 DOI: 10.1039/d2fo02180c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
The use of nanotechnology in the food industry raises uncertainty in many respects. For years, achievements of nanotechnology have been applied mainly in biomedicine and computer science, but recently it has also been used in the food industry. Due to the extremely small (nano) scale, the properties and behavior of nanomaterials may differ from their macroscopic counterparts. They can be used as biosensors to detect reagents or microorganisms, monitor bacterial growth conditions, increase food durability e.g. when placed in food packaging, reducing the amount of certain ingredients without changing the consistency of the product (research on fat substitutes is underway), improve the taste of food, make some nutrients get better absorbed by the body, etc. There are companies on the market that are already introducing nanoparticles into the economy to improve their functionality, e.g. baby feeding bottles. This review focuses on the use of nanoparticles in the food industry, both organic (chitosan, cellulose, proteins) and inorganic (silver, iron, zinc oxide, titanium oxide, etc.). The use of nanomaterials in food production requires compliance with all legal requirements regarding the safety and quantity of nano-processed food products described in this review. In the future, new methods of testing nanoparticles should be developed that would ensure the effectiveness of compounds subjected to, for example, nano-encapsulation, i.e. whether the encapsulation process had a positive impact on the specific properties of these compounds. Nanotechnology has revolutionized our approach towards food engineering (from production to processing), food storage and the creation of new materials and products, and the search for new product applications.
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Affiliation(s)
- A Wasilewska
- University of Bialystok, Faculty of Chemistry, Str. Ciolkowskiego 1K, 15-245, Bialystok, Poland.
- Doctoral School of Exact and Natural Sciences, University of Bialystok, Str. Ciolkowskiego 1K, 15-245 Bialystok, Poland
| | - M Bielicka
- University of Bialystok, Faculty of Chemistry, Str. Ciolkowskiego 1K, 15-245, Bialystok, Poland.
- Doctoral School of Exact and Natural Sciences, University of Bialystok, Str. Ciolkowskiego 1K, 15-245 Bialystok, Poland
| | - U Klekotka
- University of Bialystok, Faculty of Chemistry, Str. Ciolkowskiego 1K, 15-245, Bialystok, Poland.
| | - B Kalska-Szostko
- University of Bialystok, Faculty of Chemistry, Str. Ciolkowskiego 1K, 15-245, Bialystok, Poland.
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12
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Sande MG, Roque L, Braga A, Marques M, Ferreira D, Saragliadis A, Rodrigues JL, Linke D, Ramada D, Silva C, Rodrigues LR. Design of new hydrolyzed collagen-modified magnetic nanoparticles to capture pathogens. J Biomed Mater Res B Appl Biomater 2023; 111:354-365. [PMID: 36063491 DOI: 10.1002/jbm.b.35155] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 07/28/2022] [Accepted: 08/17/2022] [Indexed: 12/15/2022]
Abstract
Enrichment and diagnosis tools for pathogens currently available are time consuming, thus the development of fast and highly sensitive alternatives is desirable. In this study, a novel approach was described that enables selective capture of bacteria expressing hydrolyzed collagen-binding adhesins with hydrolyzed collagen-coated magnetic nanoparticles (MNPs). This platform could be useful to shorten the time needed to confirm the presence of a bacterial infection. MNPs were synthesized by a simple two-step approach through a green co-precipitation method using water as solvent. These MNPs were specifically designed to interact with pathogenic bacteria by establishing a hydrolyzed collagen-adhesin linker. The bacterial capture efficacy of hydrolyzed collagen MNPs (H-Coll@MNPs) for bacteria expressing collagen binding adhesins was 1.3 times higher than that of arginine MNPs (Arg@MNPs), herein used as control. More importantly, after optimization of the MNP concentration and contact time, the H-Coll@MNPs were able to capture 95% of bacteria present in the samples. More importantly, the bacteria can be enriched within 30 min and the time for bacterial identification is effectively shortened in comparison to the "gold standard" in clinical diagnosis. These results suggest that H-Coll@MNPs can be used for the selective isolation of specific bacteria from mixed populations present, for example, in biological samples.
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Affiliation(s)
- Maria G Sande
- CEB-Centre of Biological Engineering, Universidade do Minho, Braga, Portugal.,LABBELS - Associate Laboratory, Braga/Guimarães, Portugal
| | - Lúcia Roque
- CENTI-Center for Nanotechnology and Smart Materials, Vila Nova de Famalicão, Portugal
| | - Adelaide Braga
- CEB-Centre of Biological Engineering, Universidade do Minho, Braga, Portugal.,LABBELS - Associate Laboratory, Braga/Guimarães, Portugal
| | - Márcia Marques
- CENTI-Center for Nanotechnology and Smart Materials, Vila Nova de Famalicão, Portugal
| | - Débora Ferreira
- CEB-Centre of Biological Engineering, Universidade do Minho, Braga, Portugal.,LABBELS - Associate Laboratory, Braga/Guimarães, Portugal
| | - Athanasios Saragliadis
- Section for Genetics and Evolutionary Biology, Department of Biosciences, University of Oslo, Oslo, Norway
| | - Joana L Rodrigues
- CEB-Centre of Biological Engineering, Universidade do Minho, Braga, Portugal.,LABBELS - Associate Laboratory, Braga/Guimarães, Portugal
| | - Dirk Linke
- Section for Genetics and Evolutionary Biology, Department of Biosciences, University of Oslo, Oslo, Norway
| | - David Ramada
- CENTI-Center for Nanotechnology and Smart Materials, Vila Nova de Famalicão, Portugal
| | - Carla Silva
- CENTI-Center for Nanotechnology and Smart Materials, Vila Nova de Famalicão, Portugal.,CITEVE-Technological Center for the Textile and Clothing Industries of Portugal, Vila Nova de Famalicão, Portugal
| | - Lígia R Rodrigues
- CEB-Centre of Biological Engineering, Universidade do Minho, Braga, Portugal.,LABBELS - Associate Laboratory, Braga/Guimarães, Portugal
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13
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Gheata A, Spada A, Wittwer M, Dhouib A, Molina E, Mugnier Y, Gerber-Lemaire S. Modulating the Surface Properties of Lithium Niobate Nanoparticles by Multifunctional Coatings Using Water-in-Oil Microemulsions. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:522. [PMID: 36770484 PMCID: PMC9921616 DOI: 10.3390/nano13030522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/13/2023] [Accepted: 01/26/2023] [Indexed: 06/18/2023]
Abstract
Inorganic nanoparticles (NPs) have emerged as promising tools in biomedical applications, owing to their inherent physicochemical properties and their ease of functionalization. In all potential applications, the surface functionalization strategy is a key step to ensure that NPs are able to overcome the barriers encountered in physiological media, while introducing specific reactive moieties to enable post-functionalization. Silanization appears as a versatile NP-coating strategy, due to the biocompatibility and stability of silica, thus justifying the need for robust and well controlled silanization protocols. Herein, we describe a procedure for the silica coating of harmonic metal oxide NPs (LiNbO3, LNO) using a water-in-oil microemulsion (W/O ME) approach. Through optimized ME conditions, the silanization of LNO NPs was achieved by the condensation of silica precursors (TEOS, APTES derivatives) on the oxide surface, resulting in the formation of coated NPs displaying carboxyl (LNO@COOH) or azide (LNO@N3) reactive moieties. LNO@COOH NPs were further conjugated to an unnatural azido-containing small peptide to obtain silica-coated LNO NPs (LNO@Talys), displaying both azide and carboxyl moieties, which are well suited for biomedical applications due to the orthogonality of their surface functional groups, their colloidal stability in aqueous medium, and their anti-fouling properties.
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Affiliation(s)
- Adrian Gheata
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Group for Functionalized Biomaterials, 1015 Lausanne, Switzerland
| | - Alessandra Spada
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Group for Functionalized Biomaterials, 1015 Lausanne, Switzerland
| | - Manon Wittwer
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Group for Functionalized Biomaterials, 1015 Lausanne, Switzerland
- Département de Chimie, École Normale Supérieure, PSL University, 75005 Paris, France
| | - Ameni Dhouib
- Université Savoie Mont-Blanc, SYMME, 74000 Annecy, France
| | - Emilie Molina
- Université Savoie Mont-Blanc, SYMME, 74000 Annecy, France
| | | | - Sandrine Gerber-Lemaire
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Group for Functionalized Biomaterials, 1015 Lausanne, Switzerland
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14
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Ahmed FK, Alghuthaymi MA, Abd-Elsalam KA, Ravichandran M, Kalia A. Nano-Based Robotic Technologies for Plant Disease Diagnosis. NANOROBOTICS AND NANODIAGNOSTICS IN INTEGRATIVE BIOLOGY AND BIOMEDICINE 2023:327-359. [DOI: 10.1007/978-3-031-16084-4_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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15
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Metallic Nanoparticles as promising tools to eradicate H. pylori: A comprehensive review on recent advancements. TALANTA OPEN 2022. [DOI: 10.1016/j.talo.2022.100129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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16
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Ultrasonic preparation of new nanocomposites poly(GMA)@amino-functionalized Fe3O4: structural, morphological and thermal properties. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04389-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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17
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Bekhit F, Farag S, Attia AM. Characterization of Immobilized Magnetic Fe 3O 4 Nanoparticles on Raoultella Ornithinolytica sp. and Its Application for Azo Dye Removal. Appl Biochem Biotechnol 2022; 194:6068-6090. [PMID: 35881226 DOI: 10.1007/s12010-022-04076-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 07/05/2022] [Indexed: 11/30/2022]
Abstract
A high-performance immobilized bacterial strain coated with magnetic iron oxide nanoparticles was used for Basic Blue 41 azo dye (BB 41 dye) decolorization. To create the coated bacterial strain, Raoultella Ornithinolytica sp. was isolated and identified under the accession number KT213695, then coated with manufactured magnetic iron oxide nanoparticles. SEM and SEM-EDX were used to characterize the coated bacteria and validate its morphological structure formation. The coated Raoultella Ornithinolytica sp. A1 (coated A1) generated a 95.20% decolorization for BB 41 dye at 1600 ppm starting concentration with an optimal dose of coated A1 5 mL/L, pH 8, under static conditions for 24 h at 37 °C. Continuous batch cycles were used, with BB 41 dye (1600 ppm) added every 24 h four times, to achieve a high decolorization efficiency of 80.14%. Furthermore, the metabolites of BB 41 dye biodegradation were investigated by gas chromatographic-mass spectrum analysis (GC-MS) and showed a less toxic effect on the bioindicator Artemia salina. Additionally, 5 mL/L of coated A1 demonstrated the highest decolorization rate (47.2%) when applied to a real wastewater sample after 96 h with a consequent reduction in COD from 592 to 494 ppm.
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Affiliation(s)
- Fatma Bekhit
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
| | - Soha Farag
- Environmental Biotechnology Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications, Alexandria, Egypt.
| | - Ahmed M Attia
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
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18
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Water detoxification in terms of lead (II) and Bacillus subtilis bacteria using poly thiourea resin fabricated on magnetic multiwall carbon nanotubes substrate. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04265-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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19
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M. S. LS, Nampoothiri KM. Xylose Dehydrogenase Immobilized on Ferromagnetic Nanoparticles for Bioconversion of Xylose to Xylonic Acid. Bioconjug Chem 2022; 33:948-955. [DOI: 10.1021/acs.bioconjchem.2c00159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lekshmi Sundar M. S.
- Microbial Processes and Technology Division, CSIR−National Institute for Interdisciplinary Science and Technology (NIIST), Thiruvananthapuram 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDG Campus, Ghaziabad, Uttar Pradesh 201002, India
| | - K. Madhavan Nampoothiri
- Microbial Processes and Technology Division, CSIR−National Institute for Interdisciplinary Science and Technology (NIIST), Thiruvananthapuram 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDG Campus, Ghaziabad, Uttar Pradesh 201002, India
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20
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Shalaby MA, Anwar MM, Saeed H. Nanomaterials for application in wound Healing: current state-of-the-art and future perspectives. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-021-02870-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
AbstractNanoparticles are the gateway to the new era in drug delivery of biocompatible agents. Several products have emerged from nanomaterials in quest of developing practical wound healing dressings that are nonantigenic, antishear stress, and gas-exchange permeable. Numerous studies have isolated and characterised various wound healing nanomaterials and nanoproducts. The electrospinning of natural and synthetic materials produces fine products that can be mixed with other wound healing medications and herbs. Various produced nanomaterials are highly influential in wound healing experimental models and can be used commercially as well. This article reviewed the current state-of-the-art and briefly specified the future concerns regarding the different systems of nanomaterials in wound healing (i.e., inorganic nanomaterials, organic and hybrid nanomaterials, and nanofibers). This review may be a comprehensive guidance to help health care professionals identify the proper wound healing materials to avoid the usual wound complications.
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21
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Cheng X, Liu W, Wang Z, Yang R, Yu L, Du Q, Ge A, Liu C, Chi Z. Improved triple-module fluorescent biosensor for the rapid and ultrasensitive detection of Campylobacter jejuni in livestock and dairy. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.108905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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22
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Taghizadeh SM, Ebrahiminezhad A, Raee MJ, Ramezani H, Berenjian A, Ghasemi Y. A Study of l-Lysine-Stabilized Iron Oxide Nanoparticles (IONPs) on Microalgae Biofilm Formation of Chlorella vulgaris. Mol Biotechnol 2022; 64:702-710. [PMID: 35099707 PMCID: PMC9135783 DOI: 10.1007/s12033-022-00454-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 01/14/2022] [Indexed: 12/01/2022]
Abstract
Despite iron-based nanoparticles gaining huge attraction in various field of sciences and technology, their application rises ecological concerns due to lack of studies on their interaction with microbial cells populations and communities, such as biofilms. In this study, Chlorella vulgaris cells were employed as a model of aquatic microalgae to investigate the impacts of l-lysine-coated iron oxide nanoparticles (lys@IONPs) on microalgal growth and biofilm formation. In this regard, C. vulgaris cells were exposed to different concentrations of lys@IONPs and the growth of cells was evaluated by OD600 and biofilm formation was analyzed using crystal violet staining throughout 12 days. It was revealed that low concentration of nanoparticles (< 400 µg/mL) can promote cell growth and biofilm formation. However, higher concentrations have an adverse effect on microalgal communities. It is interesting that microalgal growth and biofilm are concentration- and exposure time-dependent to lys@IONPs. Over long period (~ 12 days) exposure to high concentrations of nanoparticles, cells can adapt with the condition, so growth was raised and biofilm started to develop. Results of the present study could be considered in ecological issues and also bioprocesses using microalgal cells.
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23
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Yu X, Zhong T, Zhang Y, Zhao X, Xiao Y, Wang L, Liu X, Zhang X. Design, Preparation, and Application of Magnetic Nanoparticles for Food Safety Analysis: A Review of Recent Advances. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:46-62. [PMID: 34957835 DOI: 10.1021/acs.jafc.1c03675] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
This review (with 126 references) aims at providing an updated overview of the recent developments and innovations of the preparation and application of magnetic nanoparticles for food safety analysis. During the past two decades, various magnetic nanoparticles with different sizes, shapes, and surface modifications have been designed, synthesized, and characterized with the prospering development of material science. Analytical scientists and food scientists are among the ones who bring these novel materials from laboratories to commercial applications. Powerful and versatile surface functional groups and high surface to mass ratios make these magnetic nanoparticles useful tools for high-efficiency capture and preconcentration of certain molecules, even when they exist in trace levels or complicated food matrices. This is why more and more methods for sensitive detection and quantification of hazards in foods are developed based on these magic magnetic tools. In this review, the principles and superiorities of using magnetic nanoparticles for food pollutant analysis are first introduced, like the mechanism of magnetic solid phase extraction, a most commonly used method for food safety-related sample pretreatment. Their design and preparation are presented afterward, alongside the mechanisms underlying their application for different analytical purposes. After that, recently developed magnetic nanoparticle-based methods for dealing with food pollutants such as organic pollutants, heavy metals, and pathogens in different food matrices are summarized in detail. In the end, some humble outlooks on future directions for work in this field are provided.
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Affiliation(s)
- Xi Yu
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, P.R. China
- Guangdong-Hong Kong-Macau Joint Laboratory for Contaminants Exposure and Health, Guangzhou 510006, P.R. China
| | - Tian Zhong
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, P.R. China
| | - Yujia Zhang
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, P.R. China
| | - Xiaohan Zhao
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Taipa, Macau 999078, China
| | - Ying Xiao
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, P.R. China
- Guangdong-Hong Kong-Macau Joint Laboratory for Contaminants Exposure and Health, Guangzhou 510006, P.R. China
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Taipa, Macau 999078, China
| | - Ling Wang
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, P.R. China
| | - Xing Liu
- College of Food Science and Engineering, Hainan University, Haikou 570228, China
| | - Xiaozhe Zhang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
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24
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Turino M, Pazos-Perez N, Guerrini L, Alvarez-Puebla RA. Positively-charged plasmonic nanostructures for SERS sensing applications. RSC Adv 2021; 12:845-859. [PMID: 35425123 PMCID: PMC8978927 DOI: 10.1039/d1ra07959j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/17/2021] [Indexed: 12/15/2022] Open
Abstract
Surface-enhanced Raman (SERS) spectroscopy has been establishing itself as an ultrasensitive analytical technique with a cross-disciplinary range of applications, which scientific growth is triggered by the continuous improvement in the design of advanced plasmonic materials with enhanced multifunctional abilities and tailorable surface chemistry. In this regard, conventional synthetic procedures yield negatively-charged plasmonic materials which can hamper the adhesion of negatively-charged species. To tackle this issue, metallic surfaces have been modified via diverse procedures with a broad array of surface ligands to impart positive charges. Cationic amines have been preferred because of their ability to retain a positive zeta potential even at alkaline pH as well as due to their wide accessibility in terms of structural features and cost. In this review, we will describe and discuss the different approaches for generating positively-charged plasmonic platforms and their applications in SERS sensing.
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Affiliation(s)
- Mariacristina Turino
- Department of Physical and Inorganic Chemistry - EMaS, Universitat Rovira I Virgili Carrer de Marcel·lí Domingo s/n 43007 Tarragona Spain
| | - Nicolas Pazos-Perez
- Department of Physical and Inorganic Chemistry - EMaS, Universitat Rovira I Virgili Carrer de Marcel·lí Domingo s/n 43007 Tarragona Spain
| | - Luca Guerrini
- Department of Physical and Inorganic Chemistry - EMaS, Universitat Rovira I Virgili Carrer de Marcel·lí Domingo s/n 43007 Tarragona Spain
| | - Ramon A Alvarez-Puebla
- Department of Physical and Inorganic Chemistry - EMaS, Universitat Rovira I Virgili Carrer de Marcel·lí Domingo s/n 43007 Tarragona Spain
- ICREA Passeig Lluís Companys 23 08010 Barcelona Spain
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25
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Hossain A, Skalicky M, Brestic M, Mahari S, Kerry RG, Maitra S, Sarkar S, Saha S, Bhadra P, Popov M, Islam MT, Hejnak V, Vachova P, Gaber A, Islam T. Application of Nanomaterials to Ensure Quality and Nutritional Safety of Food. JOURNAL OF NANOMATERIALS 2021; 2021:1-19. [DOI: 10.1155/2021/9336082] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
Nanomaterials (NMs) are emerging novel tools for preserving quality, enhancing shelf life, and ensuring food safety. Owing to the distinctive physicochemical characters, engineered NMs under varying sizes and dimensions have great potentials for application in the manufacturing, packaging, processing, and safety of quality agrifood. The promise of various kinds of novel NMs that are useful for food industries has opened a possibility of a new revolution in agroprocessing industries in both the emerging and advanced nations. The rapid advancement of nanoscience has provided a great impact on material science that has allowed researchers to understand every aspect of molecular complexity and its functions in life sciences. The reduced size of NMs that increase the surface area is useful in the specific target of different organs, and biodegradable nanospheres are helpful in the transport of bioactive molecules across the cellular barriers. However, nanotechnology creates a great revolution in several sections including agriculture and food industry and also reduces environmental pollution, while the toxicity of some NMs in the food industry poses a great concern to researchers for their greater application. However, most of the developed countries have regulatory control acts but developing countries do not have them yet. Therefore, for the safe use of NMs and also to minimize the health and environmental risks in both the developed and developing countries, it is indispensable to recognize the toxicity-constructed, toxicodynamic, and toxicokinetic features of NMs, which should carefully be emphasized at the home and industrial levels. The current study highlights the updates of the NMs to safeguard the quality and nutritional safety of foods at home and also at the industrial level.
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Affiliation(s)
- Akbar Hossain
- Department of Agronomy, Bangladesh Wheat and Maize Research Institute, Dinajpur 5200, Bangladesh
| | - Milan Skalicky
- Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czech Republic
| | - Marian Brestic
- Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czech Republic
- Department of Plant Physiology, Slovak University of Agriculture, Nitra, Tr. A. Hlinku 2, 949 01 Nitra, Slovakia
| | - Subhasis Mahari
- DBT-National Institute of Animal Biotechnology, Hyderabad 500032, India
| | - Rout George Kerry
- Post-Graduate Department of Biotechnology, Academy of Management & Information Technology, 761211, Khordha, Odisha, India
| | - Sagar Maitra
- Department of Agronomy, Centurion University of Technology and Management, 761211, Paralakhemundi, Odisha, India
| | - Sukamal Sarkar
- Department of Agronomy, Bidhan Chandra Krishi Viswavidyalaya, 741252, Nadia, India
| | - Saikat Saha
- Nadia Krishi Vigyan Kendra, Bidhan Chandra Krishi Viswavidyalaya, Gayeshpur, 741234, Nadia, India
| | - Preetha Bhadra
- Department of Biotechnology, Centurion University of Technology and Management, Paralakhemundi, 761211 Odisha, India
| | - Marek Popov
- Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czech Republic
| | - Mst. Tanjina Islam
- Department of Agronomy, Hajee Mohammad Danesh Science and Technology University, Dinajpur 5200, Bangladesh
| | - Vaclav Hejnak
- Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czech Republic
| | - Pavla Vachova
- Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czech Republic
| | - Ahmed Gaber
- Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Tofazzal Islam
- Institute of Biotechnology and Genetic Engineering (IBGE), Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
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26
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Yi Y, Hu J, Ding S, Mei J, Wang X, Zhang Y, Chen J, Ying G. A preparation strategy for protein-oriented immobilized silica magnetic beads with spy chemistry for ligand fishing. J Pharm Anal 2021; 12:415-423. [PMID: 35811616 PMCID: PMC9257657 DOI: 10.1016/j.jpha.2021.07.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 07/18/2021] [Accepted: 07/24/2021] [Indexed: 11/29/2022] Open
Abstract
Due to the complexity of bioactive ingredients in biological samples, the screening of target proteins is a complex process. Herein, a feasible strategy for directing protein immobilization on silica magnetic beads for ligand fishing based on SpyTag/SpyCatcher (ST/SC)-mediated anchoring is presented. Carboxyl functional groups on the surface of silica-coated magnetic beads (SMBs) were coupled with SC using the 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride/N-hydroxysulfosuccinimide method, named SC-SMBs. The green fluorescent protein (GFP), as the capturing protein model, was ST-labeled and anchored at a specific orientation onto the surface of SC-SMBs directly from relevant cell lysates via ST/SC self-ligation. The characteristics of the SC-SMBs were studied via electron microscopy, energy dispersive spectroscopy, and Fourier transform infrared spectroscopy. The spontaneity and site-specificity of this unique reaction were confirmed via electrophoresis and fluorescence analyses. Although the alkaline stability of ST-GFP-ligated SC-SMBs was not ideal, the formed isopeptide bond was unbreakable under acidic conditions (0.05 M glycine-HCl buffer, pH 1–6) for 2 h, under 20% ethanol solution within 7 days, and at most temperatures. We, therefore, present a simple and universal strategy for the preparation of diverse protein-functionalized SMBs for ligand fishing, prompting its usage on drug screening and target finding. A preparing strategy of protein immobilized magnetic beads for ligand fishing was established, based on Spy chemistry. The spontaneity and lysine-selectivity of the unique self-ligation reaction were investigated. The stability of the prepared beads under different temperatures, alkaline, acidic, and ethanol solutions was evaluated.
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27
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Firoozi FR, Raee MJ, Lal N, Ebrahiminezhad A, Teshnizi SH, Berenjian A, Ghasemi Y. Application of magnetic immboilization for ethanol biosynthesis using Saccharomyces cerevisiae. SEP SCI TECHNOL 2021. [DOI: 10.1080/01496395.2021.1939376] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Farid Reza Firoozi
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Javad Raee
- Centre for Nanotechnology in Drug Delivery, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences Research Centre, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Neha Lal
- School of Engineering, Faculty of Science and Engineering, University of Waikato, Hamilton New Zealand
| | | | - Saeed Hosseini Teshnizi
- Department of Biostatistics, Paramedical School, Hormozgan University of Medical Sciences, Bandar-abbas, Iran
| | - Aydin Berenjian
- School of Engineering, Faculty of Science and Engineering, University of Waikato, Hamilton New Zealand
| | - Younes Ghasemi
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences Research Centre, Shiraz University of Medical Sciences, Shiraz, Iran
- Biotechnology Research Centre, Shiraz University of Medical Sciences, Shiraz, Iran
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Rehman S, Almessiere MA, Al-Jameel SS, Ali U, Slimani Y, Tashkandi N, Al-Saleh NS, Manikandan A, Khan FA, Al-Suhaimi EA, Baykal A. Designing of Co 0.5Ni 0. 5Ga xFe 2-xO 4 (0.0 ≤ x ≤ 1.0) Microspheres via Hydrothermal Approach and Their Selective Inhibition on the Growth of Cancerous and Fungal Cells. Pharmaceutics 2021; 13:pharmaceutics13070962. [PMID: 34206751 PMCID: PMC8309058 DOI: 10.3390/pharmaceutics13070962] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/08/2021] [Accepted: 06/15/2021] [Indexed: 12/14/2022] Open
Abstract
The current study offers an efficient design of novel nanoparticle microspheres (MCs) using a hydrothermal approach. The Co0.5Ni0.5GaxFe2−xO4 (0.0 ≤ x ≤ 1.0) MCs were prepared by engineering the elements, such as cobalt (Co), nickel (Ni), iron (Fe), and gallium (Ga). There was a significant variation in MCs’ physical structure and surface morphology, which was evaluated using energy dispersive X-ray analysis (EDX), X-ray diffractometer (XRD), high-resolution transmission electron microscopy (HR-TEM), and scanning electron microscope (SEM). The anti-proliferative activity of MCs was examined by MTT assay and DAPI staining using human colorectal carcinoma cells (HCT-116), human cervical cancer cells (HeLa), and a non-cancerous cell line—human embryonic kidney cells (HEK-293). Post 72 h treatment, MCs caused a dose dependent inhibition of growth and proliferation of HCT-116 and HeLa cells. Conversely, no cytotoxic effect was observed on HEK-293 cells. The anti-fungal action was assessed by the colony forming units (CFU) technique and SEM, resulting in the survival rate of Candida albicans as 20%, with severe morphogenesis, on treatment with MCs x = 1.0. These findings suggest that newly engineered microspheres have the potential for pharmaceutical importance, in terms of infectious diseases and anti-cancer therapy.
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Affiliation(s)
- Suriya Rehman
- Department of Epidemic Diseases Research, Institute for Research & Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia
- Correspondence: or
| | - Munirah A. Almessiere
- Department of Biophysics, Institute for Research and Medical Consultations, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (M.A.A.); (Y.S.)
- Department of Physics, College of Science, Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia
| | - Suhailah S. Al-Jameel
- Department of Chemistry, College of Science, Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia;
| | - Uzma Ali
- Department of Public Health, College of Public Health, Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia;
| | - Yassine Slimani
- Department of Biophysics, Institute for Research and Medical Consultations, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (M.A.A.); (Y.S.)
| | - Nedaa Tashkandi
- Department of Nanomedicine, Institute for Research and Medical Consultations, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (N.T.); (A.B.)
| | - Najat S. Al-Saleh
- Family and Community Medicine, King Fahad Hospital of the University, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia;
| | - Ayyar Manikandan
- Department of Chemistry, Bharath Institute of Higher Education and Research (BIHER), Bharath University, Chennai 600 073, Tamil Nadu, India;
| | - Firdos Alam Khan
- Department of Stem Cell Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia;
| | - Ebtesam A. Al-Suhaimi
- Biology Department, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia;
| | - Abdulhadi Baykal
- Department of Nanomedicine, Institute for Research and Medical Consultations, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (N.T.); (A.B.)
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29
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Zhou C, Chu Z, Hou W, Wang X. Lanthanide-Doped Upconversion-Linked Immunosorbent Assay for the Sensitive Detection of Carbohydrate Antigen 19-9. Front Chem 2021; 8:592445. [PMID: 33718326 PMCID: PMC7954120 DOI: 10.3389/fchem.2020.592445] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 12/10/2020] [Indexed: 12/22/2022] Open
Abstract
Lanthanide-doped upconversion nanoparticles (UCNPs) have attracted considerable attention in detection of biological analytes and bioimaging owing to their superior optical properties, including high photochemical stability, sharp emission bandwidth, large anti-Stokes shifts, and low toxicity. In this work, we fabricated UCNP-linked immunosorbent assay (ULISA) for the sensitive detection of carbohydrate antigen 19-9 (CA19-9). The design is based on amino-functionalized SiO2-coated Gd-doped NaYF4:Yb3+,Er3+ upconversion nanoparticles (UCNPs@SiO2-NH2) as a direct background-free luminescent reporter; a secondary anti-IgG antibody (Ab2) was conjugated to the surface of UCNPs@SiO2-NH2 (UCNP-Ab2), and UCNP-Ab2 was used for specific targeting of CA19-9. The UCNPs were well characterized by TEM, SEM, XRD, FT-IR, and UV-vis. The detection process was similar to enzyme-linked immunosorbent assay (ELISA). UCNPs were used as signal transducer to replace the color compounds for an enzyme-mediated signal amplification step. An anti-CA19-9 primary antibody (Ab1) was fixed for capturing the CA19-9, and the fluorescence signal was obtained from the specific immunoreaction between UCNP-Ab2 and CA19-9. Under optimum conditions, this ULISA shows sensitive detection of CA19-9 with a dynamic range of 5-2,000 U/ml. The ULISA system shows higher detection sensitivity and wider detection range compared with the traditional ELISA for CA19-9 detection. This strategy using UCNPs as signal transducer may pave a new avenue for the exploration of rare doped UCNPs in ELISA assay for clinical applications in the future.
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Affiliation(s)
- Chaohui Zhou
- The Education Ministry Key Laboratory of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, School of Chemistry and Materials Science, Shanghai Normal University, Shanghai, China
| | - Zhongyun Chu
- The Education Ministry Key Laboratory of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, School of Chemistry and Materials Science, Shanghai Normal University, Shanghai, China
| | - Wenyue Hou
- School of Intellectual Property, Xihua University, Chengdu, China
| | - Xiuying Wang
- The Education Ministry Key Laboratory of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, School of Chemistry and Materials Science, Shanghai Normal University, Shanghai, China
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30
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Wu K, Liu J, Saha R, Peng C, Su D, Wang YA, Wang JP. Investigation of Commercial Iron Oxide Nanoparticles: Structural and Magnetic Property Characterization. ACS OMEGA 2021; 6:6274-6283. [PMID: 33718717 PMCID: PMC7948237 DOI: 10.1021/acsomega.0c05845] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 02/09/2021] [Indexed: 05/17/2023]
Abstract
Magnetic nanoparticles (MNPs) have been extensively used as tiny heating sources in magnetic hyperthermia therapy, contrast agents in magnetic resonance imaging, tracers in magnetic particle imaging, carriers for drug/gene delivery, etc. There have emerged many MNP/microbead suppliers since the past decade, such as Ocean NanoTech, Nanoprobes, US Research Nanomaterials, Miltenyi Biotec, micromod Partikeltechnologie GmbH, nanoComposix, and so forth. In this paper, we report the physical and magnetic characterizations on iron oxide nanoparticle products from Ocean NanoTech. Standard characterization tools such as vibrating-sample magnetometry, X-ray diffraction, dynamic light scattering, transmission electron microscopy, and zeta potential analysis are used to provide MNP customers and researchers with an overview of these iron oxide nanoparticle products. In addition, the dynamic magnetic responses of these iron oxide nanoparticles in aqueous solutions are investigated under low- and high-frequency alternating magnetic fields, giving a standardized operating procedure for characterizing the MNPs from Ocean NanoTech, thereby yielding the best of MNPs for different applications.
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Affiliation(s)
- Kai Wu
- Department
of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Jinming Liu
- Department
of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Renata Saha
- Department
of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Chaoyi Peng
- Department
of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Diqing Su
- Department
of Chemical Engineering and Material Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | | | - Jian-Ping Wang
- Department
of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
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31
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Shear-induced unidirectional deposition of bacterial cellulose microfibrils using rising bubble stream cultivation. Carbohydr Polym 2021; 255:117328. [DOI: 10.1016/j.carbpol.2020.117328] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/24/2020] [Accepted: 10/25/2020] [Indexed: 01/20/2023]
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Sullivan MV, Stockburn WJ, Hawes PC, Mercer T, Reddy SM. Green synthesis as a simple and rapid route to protein modified magnetic nanoparticles for use in the development of a fluorometric molecularly imprinted polymer-based assay for detection of myoglobin. NANOTECHNOLOGY 2021; 32:095502. [PMID: 33242844 PMCID: PMC8314874 DOI: 10.1088/1361-6528/abce2d] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 10/13/2020] [Accepted: 11/26/2020] [Indexed: 05/26/2023]
Abstract
We have developed a low-cost molecularly imprinted polymer (MIP)-based fluorometric assay to directly quantify myoglobin in a biological sample. The assay uses a previously unreported method for the development of microwave-assisted rapid synthesis of aldehyde functionalized magnetic nanoparticles, in just 20 min. The aldehyde functionalized nanoparticles have an average size of 7.5 nm ± 1.8 and saturation magnetizations of 31.8 emu g-1 with near-closed magnetization loops, confirming their superparamagnetic properties. We have subsequently shown that protein tethering was possible to the aldehyde particles, with 0.25 ± 0.013 mg of myoglobin adsorbed to 20 mg of the nanomaterial. Myoglobin-specific fluorescently tagged MIP (F-MIP) particles were synthesized and used within the assay to capture myoglobin from a test sample. Excess F-MIP was removed from the sample using protein functionalized magnetic nanoparticles (Mb-SPION), with the remaining sample analyzed using fluorescence spectroscopy. The obtained calibration plot of myoglobin showed a linear correlation ranging from 60 pg ml-1 to 6 mg ml-1 with the limit of detection of 60 pg ml-1. This method was successfully used to detect myoglobin in spiked fetal calf serum, with a recovery rate of more than 93%.
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Affiliation(s)
- Mark V Sullivan
- Research Centre for Smart Materials, Department of Chemistry, School
of Natural Sciences, University of Central
Lancashire, Preston, PR1 2HE, United Kingdom
- Leicester School of Pharmacy, De
Montford University, The Gateway, Leicester, LE1 9BH,
United Kingdom
| | - William J Stockburn
- Division of Forensic and Applied Sciences, School of Natural
Sciences, University of Central
Lancashire, Preston, PR1 2HE, United Kingdom
| | - Philippa C Hawes
- The Pirbright Institute, Ash Road, Pirbright, Woking, Surrey, GU24
0NF, United Kingdom
| | - Tim Mercer
- Jeremiah Horrocks Institute for Mathematics, Physics and Astronomy,
School of Natural Sciences University of Central
Lancashire, Preston, PR1 2HE, United Kingdom
| | - Subrayal M Reddy
- Research Centre for Smart Materials, Department of Chemistry, School
of Natural Sciences, University of Central
Lancashire, Preston, PR1 2HE, United Kingdom
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33
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Edis Z, Wang J, Waqas MK, Ijaz M, Ijaz M. Nanocarriers-Mediated Drug Delivery Systems for Anticancer Agents: An Overview and Perspectives. Int J Nanomedicine 2021; 16:1313-1330. [PMID: 33628022 PMCID: PMC7898224 DOI: 10.2147/ijn.s289443] [Citation(s) in RCA: 101] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 12/23/2020] [Indexed: 12/12/2022] Open
Abstract
Nanotechnology has been actively integrated as drug carriers over the last few years to treat various cancers. The main hurdle in the clinical management of cancer is the development of multidrug resistance against chemotherapeutic agents. To overcome the limitations of chemotherapy, the researchers have been developing technological advances for significant progress in the oncotherapy by enabling the delivery of chemotherapeutic agents at increased drug content levels to the targeted spots. Several nano-drug delivery systems designed for tumor-targeting are evaluated in preclinical and clinical trials and showed promising outcomes in cancerous tumors' clinical management. This review describes nanocarrier's importance in managing different types of cancers and emphasizing nanocarriers for drug delivery and cancer nanotherapeutics. It also highlights the recent advances in nanocarriers-based delivery systems, including polymeric nanocarriers, micelles, nanotubes, dendrimers, magnetic nanoparticles, solid lipid nanoparticles, and quantum dots (QDs). The nanocarrier-based composites are discussed in terms of their structure, characteristics, and therapeutic applications in oncology. To conclude, the challenges and future exploration opportunities of nanocarriers in chemotherapeutics are also presented.
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Affiliation(s)
- Zehra Edis
- Department of Pharmaceutical Sciences,College of Pharmacy and Health Sciences, Ajman University, Ajman, United Arab Emirates
- Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
| | - Junli Wang
- Laboratory of Reproduction and Genetics, Affiliated Hospital of Youjiang Medical College for Nationalities, Baise, Guangxi, People’s Republic of China
| | - Muhammad Khurram Waqas
- Institute of Pharmaceutical Sciences, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Muhammad Ijaz
- Department of Pharmacy, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Munazza Ijaz
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Defense Road Campus, Lahore, Pakistan
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Multi-Sample Preparation Assay for Isolation of Nucleic Acids Using Bio-Silica with Syringe Filters. MICROMACHINES 2020; 11:mi11090823. [PMID: 32872601 PMCID: PMC7570072 DOI: 10.3390/mi11090823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/25/2020] [Accepted: 08/29/2020] [Indexed: 11/24/2022]
Abstract
The spin-column system for the isolation of nucleic acids (NAs) from multiple samples presents the inconvenience of repeated experimentation, time-consumption, and the risk of contamination in the process of the spin-column exchange. Herein, we propose a convenient and universal assay that can be used to diagnose multiple pathogens using a multi-sample preparation assay. The multi-sample preparation assay combines a 96-well filter/membrane plate, a bio-micromaterial lattice-like micro amine-functional diatomaceous earth (D-APDMS), and homobifunctional imidoesters (HI) for the processing of pathogen enrichment and extraction for multiple samples simultaneously. The purity and quantity of the extracted NAs from pathogens (E. coli and Brucella) using the proposed assay is superior to that of the commercialized spin-column kit. The assay also does not require the replacement of several collection tubes during the reaction processing. For the multi-sample testing, we used as many as six samples simultaneously with the proposed assay. This assay can simultaneously separate up to 96 NAs from one plate, and the use of multichannel pipettes allows faster and simpler experimentation. Therefore, we believe it is a convenient and easy process, and can be easily integrated with other detection methods for clinical diagnostics.
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Abstract
Magnetite nanoparticles (Fe3O4), average particle size of 12.9 nm, were synthesized de novo from ferrous and ferric iron salt solutions (total iron salt concentration of 3.8 mM) using steady-state headspace NH3(g), 3.3% v/v, at room temperature and pressure, without mechanical agitation, resulting in >99.9% yield. Nanoparticles size distributions were based on enumeration of TEM images and chemical compositions analyzed by: XRD, EDXRF, and FT-IR; super-paramagnetic properties were analyzed by magnetization saturation (74 emu/g). Studies included varying headspace [NH3(g)] (1.6, 3.3, 8.4% v/v), and total iron concentrations (1.0 mM, 3.8 mM, 10.0 mM, and >>10 mM). An application of the unmodified synthesized magnetite nanoparticles included analyses of tetracycline’s (50, 100, 200, 300, and 400 ppb) in aqueous, which was compared to the same tetracycline concentrations prepared in aqueous synthesis suspension with >97% extraction, analyzed with LC-MS/MS.
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36
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The effect of engineered PLGA nanoparticles on nitrifying bacteria in the soil environment. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2020.01.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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37
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Zhang B, Wang Y, Zhang J, Qiao S, Fan Z, Wan J, Chen K. Well-defined 3-Aminopropyltriethoxysilane functionalized magnetite nanoparticles and their adsorption performance for partially hydrolyzed polyacrylamide from aqueous solution. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124288] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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38
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El-Sherbiny IM, El-Sayed M, Reda A. Superparamagnetic Iron Oxide Nanoparticles (SPIONs) as Multifunctional Cancer Theranostics. MAGNETIC NANOHETEROSTRUCTURES 2020. [DOI: 10.1007/978-3-030-39923-8_6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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39
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Abstract
Cell harvesting is one of the main expensive, labor-intensive, and energy-consuming steps in downstream processing. Cell immobilization has introduced as a valuable strategy for process intensification in biotechnological industries. Here we describe magnetic immobilization as a promising and novel technique for cell immobilization by using magnetic nanoparticles. This technique is based on the decoration of cells with magnetic nanoparticles to make them sensitive to magnetic field. So, the cells can be harvested simply by applying a magnetic separator.
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40
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Raee MJ, Ebrahiminezhad A, Ghoshoon MB, Gholami A, Ghasemi Y. Synthesis and Characterization of L-Lysin Coated Iron Oxide Nanoparticles as Appropriate Choices for Cell Immobilization and Magnetic Separation. ACTA ACUST UNITED AC 2019. [DOI: 10.2174/2210681208666180518084730] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Introduction:Cell separation is one of the important steps of purification in downstream processes. Some separation techniques such as centrifugation and filtration are expensive and would affect cell viability. Magnetic separation can be a good alternative for laboratory and industrial cell separation processes.Methods:For this purpose, L-lysine coated Iron Oxide Nanoparticles (IONs) were synthesized and used for magnetic separation of Escherichia coli as the most applied microbial cell in biotechnological processes.Results:IONs have successfully decorated the bacterial cells and cells were completely separated by applying an external magnetic field.Conclusion:This study showed that coating of E. coli cells with IONs could help to isolate cells from culture media without using expensive instruments.
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Affiliation(s)
- Mohammad Javad Raee
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Ebrahiminezhad
- School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Bagher Ghoshoon
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ahmad Gholami
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Younes Ghasemi
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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41
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Guan Y, Tsao CY, Quan DN, Li Y, Mei L, Song Y, Zhang B, Liu Y, Payne GF, Bentley WE, Wang Q. Focusing quorum sensing signalling by nano-magnetic assembly. Environ Microbiol 2019; 20:2585-2597. [PMID: 29806719 DOI: 10.1111/1462-2920.14284] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 05/14/2018] [Accepted: 05/14/2018] [Indexed: 12/21/2022]
Abstract
Quorum sensing (QS) exists widely among bacteria, enabling a transition to multicellular behaviour after bacterial populations reach a particular density. The coordination of multicellularity enables biotechnological application, dissolution of biofilms, coordination of virulence, and so forth. Here, a method to elicit and subsequently disperse multicellular behaviour among QS-negative cells is developed using magnetic nanoparticle assembly. We fabricated magnetic nanoparticles (MNPs, ∼5 nm) that electrostatically collect wild-type (WT) Escherichia coli BL21 cells and brings them into proximity of bioengineered E. coli [CT104 (W3110 lsrFG- luxS- pCT6 + pET-DsRed)] reporter cells that exhibit a QS response after receiving autoinducer-2 (AI-2). By shortening the distance between WT and reporter cells (e.g., increasing local available AI-2 concentrations), the QS response signalling was amplified four-fold compared to that in native conditions without assembly. This study suggests potential applications in facilitating intercellular communication and modulating multicellular behaviours based on user-specified designs.
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Affiliation(s)
- Yongguang Guan
- Department of Nutrition and Food Science, University of Maryland, College Park, MD, 20742, USA
| | - Chen-Yu Tsao
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, 20742, USA.,Institute for Bioscience and Biotechnology Research, University of Maryland, College Park, MD, 20742, USA
| | - David N Quan
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, 20742, USA.,Institute for Bioscience and Biotechnology Research, University of Maryland, College Park, MD, 20742, USA
| | - Ying Li
- Department of Nutrition and Food Science, University of Maryland, College Park, MD, 20742, USA
| | - Lei Mei
- Department of Nutrition and Food Science, University of Maryland, College Park, MD, 20742, USA
| | - Yingying Song
- Department of Nutrition and Food Science, University of Maryland, College Park, MD, 20742, USA
| | - Boce Zhang
- Department of Biomedical and Nutritional Sciences, University of Massachusetts, Lowell, MA, 01854, USA
| | - Yi Liu
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, 20742, USA.,Institute for Bioscience and Biotechnology Research, University of Maryland, College Park, MD, 20742, USA
| | - Gregory F Payne
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, 20742, USA.,Institute for Bioscience and Biotechnology Research, University of Maryland, College Park, MD, 20742, USA
| | - William E Bentley
- Fischell Department of Bioengineering, University of Maryland, College Park, MD, 20742, USA.,Institute for Bioscience and Biotechnology Research, University of Maryland, College Park, MD, 20742, USA
| | - Qin Wang
- Department of Nutrition and Food Science, University of Maryland, College Park, MD, 20742, USA
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Wu X, Lai T, Jiang J, Ma Y, Tao G, Liu F, Li N. An on-site bacterial detection strategy based on broad-spectrum antibacterial ε-polylysine functionalized magnetic nanoparticles combined with a portable fluorometer. Mikrochim Acta 2019; 186:526. [PMID: 31292779 DOI: 10.1007/s00604-019-3632-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 06/21/2019] [Indexed: 11/25/2022]
Abstract
A sensitive on-site bacterial detection strategy is presented that integrates the broad-spectrum capturing feature of ε-polylysine-functionalized magnetic nanoparticles with an in-house built portable fluorometer. Based on the electrostatic interaction, the functionalized magnetic nanoparticles (ε-PL-MNPs) were prepared for Gram-positive and Gram-negative bacterial separation and subsequent viable release. ε-PL-MNPs show a broad reactivity towards bacteria with the high capture efficiency from real-world sample media. They also enable controlled viable bacterial release with pH adjustment. Detection of bacteria is based on a combination of broad-spectrum capture with colorimetric and fluorimetric immunoassays. A portable fluorometer is built to enhance the applicability for sensitive on-site detection. A limit of detection of 98 CFU·mL-1 is achieved that is comparable to that of a known spectrofluorometric method for E. coli DH5α. Graphical abstract Schematic presentation of bacterial capture using cationic polymer functionalized magnetic nanoparticles and general fluorometric immunoassay with portable fluorometer. The limit of detection is 98 CFU·mL-1 for E. coli DH5α.
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Affiliation(s)
- Xi Wu
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Tiancheng Lai
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Jiezhang Jiang
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Yurou Ma
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Guangyu Tao
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Feng Liu
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Na Li
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China.
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43
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Kadam R, Maas M, Rezwan K. Selective, Agglomerate-Free Separation of Bacteria Using Biofunctionalized, Magnetic Janus Nanoparticles. ACS APPLIED BIO MATERIALS 2019; 2:3520-3531. [DOI: 10.1021/acsabm.9b00415] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Reshma Kadam
- Advanced Ceramics, University of Bremen, Am Biologischen Garten 2, 28359 Bremen, Germany
| | - Michael Maas
- Advanced Ceramics, University of Bremen, Am Biologischen Garten 2, 28359 Bremen, Germany
- MAPEX Centre of Materials and Processes, University of Bremen, 28359 Bremen, Germany
| | - Kurosch Rezwan
- Advanced Ceramics, University of Bremen, Am Biologischen Garten 2, 28359 Bremen, Germany
- MAPEX Centre of Materials and Processes, University of Bremen, 28359 Bremen, Germany
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Pahlow S, Lehniger L, Hentschel S, Seise B, Braun SD, Ehricht R, Berg A, Popp J, Weber K. Rapid Isolation and Identification of Pneumonia-Associated Pathogens from Sputum Samples Combining an Innovative Sample Preparation Strategy and Array-Based Detection. ACS OMEGA 2019; 4:10362-10369. [PMID: 31460130 PMCID: PMC6648014 DOI: 10.1021/acsomega.9b00904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 05/27/2019] [Indexed: 05/04/2023]
Abstract
With this study, an innovative and convenient enrichment and detection strategy for eight clinically relevant pneumonia pathogens, namely, Acinetobacter baumannii, Escherichia coli, Haemophilus influenzae, Klebsiella pneumoniae, Moraxella catarrhalis, Pseudomonas aeruginosa, Staphylococcus aureus, and Streptococcus pneumoniae is introduced. Bacteria were isolated from sputum samples with amine-modified particles exploiting pH-dependent electrostatic interactions between bacteria and the functionalized particle surface. Following this, an asymmetric polymerase chain reaction as well as subsequent stringent array-based hybridization with specific complementary capture probes were performed. Finally, results were visualized by an enzyme-induced silver nanoparticle deposition, providing stable endpoint signals and consequently an easy detection possibility. The assay was optimized using spiked samples of artificial sputum with different strains of the abovementioned bacterial species. Furthermore, actual patient sputum samples with S. pneumoniae were successfully analyzed. The presented approach offers great potential for the urgent need of a fast, specific, and reliable isolation and identification platform for important pneumonia pathogens, covering the complete process chain from sample preparation up to array-based detection within only 4 h.
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Affiliation(s)
- Susanne Pahlow
- Friedrich
Schiller University Jena, Institute of Physical Chemistry, Abbe Center of Photonics, Helmholtzweg 4, 07743 Jena, Germany
- InfectoGnostics
Research Campus Jena, Centre for Applied
Research, Philosophenweg
7, 07743 Jena, Germany
| | - Lydia Lehniger
- InfectoGnostics
Research Campus Jena, Centre for Applied
Research, Philosophenweg
7, 07743 Jena, Germany
- Leibniz
Institute of Photonic Technology—Member of the Research Alliance
“Leibniz Health Technologies”, Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Stefanie Hentschel
- InfectoGnostics
Research Campus Jena, Centre for Applied
Research, Philosophenweg
7, 07743 Jena, Germany
- Leibniz
Institute of Photonic Technology—Member of the Research Alliance
“Leibniz Health Technologies”, Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Barbara Seise
- InfectoGnostics
Research Campus Jena, Centre for Applied
Research, Philosophenweg
7, 07743 Jena, Germany
- Leibniz
Institute of Photonic Technology—Member of the Research Alliance
“Leibniz Health Technologies”, Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Sascha D. Braun
- InfectoGnostics
Research Campus Jena, Centre for Applied
Research, Philosophenweg
7, 07743 Jena, Germany
- Abbott
(Alere Technologies GmbH), Research and Development, Loebstedter Str. 103-105, 07749 Jena, Germany
| | - Ralf Ehricht
- Friedrich
Schiller University Jena, Institute of Physical Chemistry, Abbe Center of Photonics, Helmholtzweg 4, 07743 Jena, Germany
- InfectoGnostics
Research Campus Jena, Centre for Applied
Research, Philosophenweg
7, 07743 Jena, Germany
- Leibniz
Institute of Photonic Technology—Member of the Research Alliance
“Leibniz Health Technologies”, Albert-Einstein-Straße 9, 07745 Jena, Germany
- Abbott
(Alere Technologies GmbH), Research and Development, Loebstedter Str. 103-105, 07749 Jena, Germany
| | - Albrecht Berg
- INNOVENT
e.V. Jena, Prüssingstraße
27 B, 07745 Jena, Germany
| | - Jürgen Popp
- Friedrich
Schiller University Jena, Institute of Physical Chemistry, Abbe Center of Photonics, Helmholtzweg 4, 07743 Jena, Germany
- InfectoGnostics
Research Campus Jena, Centre for Applied
Research, Philosophenweg
7, 07743 Jena, Germany
- Leibniz
Institute of Photonic Technology—Member of the Research Alliance
“Leibniz Health Technologies”, Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Karina Weber
- Friedrich
Schiller University Jena, Institute of Physical Chemistry, Abbe Center of Photonics, Helmholtzweg 4, 07743 Jena, Germany
- InfectoGnostics
Research Campus Jena, Centre for Applied
Research, Philosophenweg
7, 07743 Jena, Germany
- Leibniz
Institute of Photonic Technology—Member of the Research Alliance
“Leibniz Health Technologies”, Albert-Einstein-Straße 9, 07745 Jena, Germany
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Li Z, Ma J, Ruan J, Zhuang X. Using Positively Charged Magnetic Nanoparticles to Capture Bacteria at Ultralow Concentration. NANOSCALE RESEARCH LETTERS 2019; 14:195. [PMID: 31165285 PMCID: PMC6548795 DOI: 10.1186/s11671-019-3005-z] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Accepted: 05/07/2019] [Indexed: 05/11/2023]
Abstract
Detecting bacteria at low concentrations without time-consuming culture processes would allow rapid diagnoses. Since electrostatic attraction exists between negatively charged bacterial cells and positively charged magnetic nanoparticles (NP+), capture of bacteria holds great promise towards achieving this goal. Here, we present a rapid and highly efficient approach to capture Escherichia coli, which was used as a model for gram-negative bacteria. Capture of E. coli at very low concentrations of 10 and 100 CFU/mL using NP+ is rapidly and efficiently achieved within 1 h. Moreover, the capture efficiency of NP+ was over 90% by analyzing the number of bacterial colonies on the plate. Optical and transmission electron microscopy confirmed the bacterial capture abilities of electrically charged nanoparticles (NPs). In contrast, negatively charged magnetic nanoparticles (NP-) did not show affinities towards E. coli. These results showed that bacterial cells, such as E. coli, carry a negative charge. Unlike a ligand-dependent capture system, our designed NP+ has potentials to capture a broad range of bacteria via electrostatic attractions.
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Affiliation(s)
- Zhiming Li
- Institue of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 Hubei China
- Department of Urology, the First Affiliated Hospital of Xiamen University, Xiamen, 361003 Fujian China
| | - Jinyuan Ma
- Department of Pharmacy, Shanghai Dermatology Hospital, Shanghai, 200443 China
| | - Jun Ruan
- College of Life Sciences, Central China Normal University, Wuhan, 430079 China
| | - Xuan Zhuang
- Department of Urology, the First Affiliated Hospital of Xiamen University, Xiamen, 361003 Fujian China
- Department of Clinical Medicine, Fujian Medical University, Fuzhou, 350005 Fujian Province China
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Evaluation of a magnetic activated charcoal modified with non-ionic silicone surfactant as a new magnetic solid phase extraction sorbent with triazine herbicides as model compounds in selected milk and rice samples. Talanta 2019; 196:217-225. [DOI: 10.1016/j.talanta.2018.12.043] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 12/12/2018] [Accepted: 12/14/2018] [Indexed: 12/27/2022]
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Kim HK, Park JW. Agglomeration of 10 nm amine-functionalized nano-magnetite does not hinder its efficiency as an environmental adsorbent. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2019; 54:648-656. [PMID: 30947593 DOI: 10.1080/10934529.2019.1579535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 01/24/2019] [Accepted: 01/28/2019] [Indexed: 06/09/2023]
Abstract
Amine-functionalized magnetite (nFe3O4-NH2) of two different sizes, 10 nm and 250 nm, were compared as environmental adsorbents. They were synthesized by co-precipitation (10 nm-nFe3O4-NH2) and solvothermal (250 nm-nFe3O4-NH2) methods, respectively. The prepared amine-functionalized magnetite was characterized by scanning electron microscope, transmission electron microscope, X-ray diffraction, vibrating sample magnetometer, Fourier transform infrared spectroscopy, size distribution analysis and surface area analysis to compare the properties of different sizes of nFe3O4-NH2. Both nFe3O4-NH2 contained cubic Fe3O4 crystalline structure. The 250 nm-nFe3O4-NH2 exhibited higher magnetic saturation value than the 10 nm-nFe3O4-NH2, but both could be separated from an aqueous solution using an external magnet. The surface area and pore volume of the smaller-sized 10 nm-nFe3O4-NH2 was larger than that of 250 nm-nFe3O4-NH2, but stronger aggregation was observed in the 10 nm-nFe3O4-NH2. Batch adsorption of lead indicated that the 10 nm-nFe3O4-NH2 was a better adsorbent than the 250 nm-nFe3O4-NH2. The maximum adsorption capacity of lead for the 10 nm-nFe3O4-NH2 and the 250 nm-nFe3O4-NH2 were 74.48 mg g-1 and 54.54 mg g-1, respectively. The stronger aggregation of nanoparticles with a smaller particle size did not affect the superior performance of the 10 nm-nFe3O4-NH2 as an environmental adsorbent.
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Affiliation(s)
- Hyun-Kyung Kim
- a Department of Civil and Environmental Engineering , Hanyang University , Seoul 04763 , South Korea
| | - Jae-Woo Park
- a Department of Civil and Environmental Engineering , Hanyang University , Seoul 04763 , South Korea
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Bhardwaj N, Bhardwaj SK, Bhatt D, Lim DK, Kim KH, Deep A. Optical detection of waterborne pathogens using nanomaterials. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.02.019] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Chang F, Shen S, Shi P, Zhang H, Ye L, Zhou Q, Pan Y, Li A. Antimicrobial resins with quaternary ammonium salts as a supplement to combat the antibiotic resistome in drinking water treatment plants. CHEMOSPHERE 2019; 221:132-140. [PMID: 30639809 DOI: 10.1016/j.chemosphere.2019.01.047] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 12/14/2018] [Accepted: 01/06/2019] [Indexed: 06/09/2023]
Abstract
The increasing finding of pathogens and antibiotic resistance genes (ARGs) in drinking water has become one of the most challenging global health threats worldwide. However, conventional disinfection strategies in drinking water treatment plants (DWTPs) require further optimization in combating the antibiotic resistome. Here, we show that antimicrobial resins with quaternary ammonium salts (AMRs-QAS) exhibit great potentials in diminishing specific potential pathogens that relatively resist chlorine or UV disinfection in DWTPs, and comprehensive analyses using microscopy and fluorescence techniques revealed that the antimicrobial capacity of AMRs-QAS mainly proceed via the bacterial adsorption and cell membrane dissociation. Moreover, a total of 15 among 30 selected ARGs, as well as 4 selected potential pathogens including Pseudomonas aeruginosa, Bacillus subtilis, Escherichia coli and Staphylococcus aureus were all detected in the source water. Coupling the AMRs-QAS with 0.2 mg/L chlorine resulted in higher removal efficiencies than chlorination (2 mg/L) or UV disinfection (400 mJ cm-2) for all the detected pathogens and ARGs in drinking water and significantly decreased the relative abundances of Pseudomonas aeruginosa, Bacillus subtilis, Escherichia coli, as well as all the detected ARGs (p < 0.05). Co-occurrences of pathogens and ARGs were revealed by a correlation network and possibly accounts for the ARGs removal. This coupled disinfection strategy overcomes the limitations of individual disinfection methods, i.e. the enrichment of specific pathogens and ARGs among bacterial populations, and provides an alternative for minimizing health risks induced by the antibiotic resistome in DWTPs.
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Affiliation(s)
- Fangyu Chang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Shanqi Shen
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Peng Shi
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China.
| | - Huaicheng Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Lin Ye
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Qing Zhou
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Yang Pan
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Aimin Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
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Aminated Graphene Oxide as a Potential New Therapy for Colorectal Cancer. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:3738980. [PMID: 31015889 PMCID: PMC6446092 DOI: 10.1155/2019/3738980] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 12/17/2018] [Accepted: 02/03/2019] [Indexed: 01/05/2023]
Abstract
Nanotechnology-based drug delivery systems for cancer therapy are the topic of interest for many researchers and scientists. Graphene oxide (GO) and its derivates are among the most extensively studied delivery systems of this type. The increased surface area, elevated loading capacity, and aptitude for surface functionalization together with the ability to induce reactive oxygen species make GO a promising tool for the development of novel anticancer therapies. Moreover, GO nanoparticles not only function as effective drug carriers but also have the potential to exert their own inhibitory effects on tumour cells. Recent results show that the functionalization of GO with different functional groups, namely, with amine groups, leads to increased reactivity of the nanoparticles. The last steers different hypotheses for the mechanisms through which this functionalization of GO could potentially lead to improved anticancer capacity. In this research, we have evaluated the potential of amine-functionalized graphene oxide nanoparticles (GO-NH2) as new molecules for colorectal cancer therapy. For the purpose, we have assessed the impact of aminated graphene oxide (GO) sheets on the viability of colon cancer cells, their potential to generate ROS, and their potential to influence cellular proliferation and survival. In order to elucidate their mechanism of action on the cellular systems, we have probed their genotoxic and cytostatic properties and compared them to pristine GO. Our results revealed that both GO samples (pristine and aminated) were composed of few-layer sheets with different particle sizes, zeta potential, and surface characteristics. Furthermore, we have detected increased cyto- and genotoxicity of the aminated GO nanoparticles following 24-hour exposure on Colon 26 cells. The last leads us to conclude that exposure of cancer cells to GO, namely, aminated GO, can significantly contribute to cancer cell killing by enhancing the cytotoxicity effect exerted through the induction of ROS, subsequent DNA damage, and apoptosis.
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