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Venzhik Y, Deryabin A, Naraikina N, Zhukova K, Dykman L. The influence of Au-based nanoparticles on some physiological, biochemical and molecular characteristics of wheat plants during low temperature hardening. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 213:108837. [PMID: 38878389 DOI: 10.1016/j.plaphy.2024.108837] [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: 01/30/2024] [Revised: 06/11/2024] [Accepted: 06/12/2024] [Indexed: 07/07/2024]
Abstract
One of the most significant problems of the 21st century is the anthropogenic strain on the environment. The development of nanotechnology makes it possible to produce a variety of nanomaterials widely used in people's daily lives. However, nanomaterials can accumulate in ecosystems and spread through food chains. The environmental risks of nanoparticle proliferation are unclear. At the same time, certain nanoparticles act as adaptogens, improving plant tolerance to unfavorable stress factors. It is quite realistic to choose such experimental conditions, under which the effect on plant stress tolerance will be obvious and the accumulation of nanoparticles in tissues will be minimal. In this case, the main relevant factors are the type of nanoparticles, their concentration and their way of penetration into plants. We chose to study gold nanoparticles (Au-NPs), widely used in biomedical research. The concentration of Au-NPs was 20 μg/mL, which is considered safe for living organisms. The influence of Au-NPs on some physiological, biochemical and molecular characteristics of wheat plants during low temperature hardening was examined. The study of the photosynthetic apparatus and antioxidant system was the primary focus. The stimulating effect of Au-NPs on cold tolerance of wheat plants was shown. The results expand our knowledge of the processes by which nanoparticles impact plants and the potential applications of nanoparticles as adaptogens in science and agriculture.
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Affiliation(s)
- Yuliya Venzhik
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia.
| | - Alexander Deryabin
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia
| | - Natalia Naraikina
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia
| | - Kseniya Zhukova
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia
| | - Lev Dykman
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Saratov Scientific Centre, Russian Academy of Sciences, Saratov, Russia
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2
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Venzhik Y, Deryabin A, Zhukova K. Au-Based Nanoparticles Enhance Low Temperature Tolerance in Wheat by Regulating Some Physiological Parameters and Gene Expression. PLANTS (BASEL, SWITZERLAND) 2024; 13:1261. [PMID: 38732476 PMCID: PMC11085431 DOI: 10.3390/plants13091261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 04/16/2024] [Accepted: 04/29/2024] [Indexed: 05/13/2024]
Abstract
One of the key problems of biology is how plants adapt to unfavorable conditions, such as low temperatures. A special focus is placed on finding ways to increase tolerance in important agricultural crops like wheat. Au-based nanoparticles (Au-NPs) have been employed extensively in this area in recent years. Au-NPs can be produced fast and easily using low-cost chemical reagents. When employed in microdoses, Au-NPs are often non-toxic to plants, animals, and people. In addition, Au-NPs mainly have favorable impacts on plants. In this study, we investigated the effect of Au-NP seed nanopriming (diameter 15.3 nm, Au concentration 5-50 µg mL-1) on cold tolerance, as well as some physiological, biochemical and molecular parameters, of cold-sustainable wheat (Triticum aestivum L.) genotype Zlata. The treatment with Au-NPs improved tolerance to low temperatures in control conditions and after cold hardening. Au-NPs treatment boosted the intensity of growth processes, the quantity of photosynthetic pigments, sucrose in leaves, and the expressions of encoded RuBisCo and Wcor15 genes. The potential mechanisms of Au-NPs' influence on the cold tolerance of wheat varieties were considered.
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Affiliation(s)
- Yuliya Venzhik
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia; (A.D.); (K.Z.)
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3
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Fonsêca H, Rativa D, Lima R. In-Loco Optical Spectroscopy through a Multiple Digital Lock-In on a Linear Charge-Coupled Device (CCD) Array. SENSORS (BASEL, SWITZERLAND) 2023; 23:7195. [PMID: 37631732 PMCID: PMC10460064 DOI: 10.3390/s23167195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/11/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023]
Abstract
Accurate and reliable measurements of optical properties are crucial for a wide range of industrial and commercial applications. However, external illumination fluctuations can often make these measurements challenging to obtain. This work proposes a new technique based on digital lock-in processing that enables the use of CCD spectrometers in optical spectroscopy applications, even in uncontrolled lighting conditions. This approach leverages digital lock-in processing, performed on each pixel of the spectrometer's CCD simultaneously, to mitigate the impact of external optical interferences. The effectiveness of this method is demonstrated by testing and recovering the spectrum of a yellow LED subjected to other light sources in outdoor conditions, corresponding to a Signal-to-Noise Ratio of -70.45 dB. Additionally, it was possible to demonstrate the method's applicability for the spectroscopic analysis of gold nanoparticles in outdoor conditions. These results suggest that the proposed technique can be helpful for a wide range of optical measurement techniques, even in challenging lighting conditions.
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Affiliation(s)
- Hugo Fonsêca
- Department of Computer Engineering, University of Pernambuco, Recife 50720-001, Brazil; (H.F.); (D.R.)
- Department of Systems Engineering, University of Pernambuco, Recife 50720-001, Brazil
| | - Diego Rativa
- Department of Computer Engineering, University of Pernambuco, Recife 50720-001, Brazil; (H.F.); (D.R.)
- Department of Systems Engineering, University of Pernambuco, Recife 50720-001, Brazil
| | - Ricardo Lima
- Department of Systems Engineering, University of Pernambuco, Recife 50720-001, Brazil
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Aboul-Ella H, Sayed RH, Abo-Elyazeed HS. Development, preparation, and evaluation of a novel dotted lateral flow immunochromatographic kit for rapid diagnosis of dermatophytosis. Sci Rep 2023; 13:248. [PMID: 36604481 PMCID: PMC9816107 DOI: 10.1038/s41598-023-27443-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 01/02/2023] [Indexed: 01/07/2023] Open
Abstract
Dermatophytosis is a widely spread contagious zoonotic disease, affecting both man (tinea) and animals (ringworm). This disease is caused by a group of closely related keratinophilic fungi known collectively as the dermatophytes group. Although the wide distribution of dermatophytosis cases throughout the whole world and its adverse clinical effect on human health, economical effect on productive animals, and pet animal welfare, there is no rapid accurate diagnostic tool for such disease. The current conducted study tries to accomplish the difficult equation by achieving an accurate, sensitive, specific, user-friendly, rapid, robust, device-less, deliverable to end-users, and economic cost for the development and production of diagnostic kits. Through the development of a rapid diagnostic kit based on immunochromatographic assay with three major affordable reproducible production stages; preliminary stage, developmental and standardization stage, and evaluation stage. Obtaining dermatophytes-specific polyclonal antibodies against criteria-based selected dermatophytes strains associating proper gold nanoparticle preparation, characterization, and conjugation, with proper loading of the different bio-reactants on the efficiently laminated and fabricated lateral flow strips were the main challenge and control points through the whole process. Also, as a result of examining 100 animal samples using the new kit, the κ coefficients of the kit with the direct microscopy while the kit with the culture were 0.44 and 0.76, respectively. Therefore, the newly designated and developed kit showed a very promising competitive diagnostic result within 5-7 min through easy-to-be-performed three steps.
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Affiliation(s)
- Hassan Aboul-Ella
- Department of Microbiology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.
| | - Rafik Hamed Sayed
- grid.418376.f0000 0004 1800 7673Department of Microbiology, Central Laboratory for Evaluation of Veterinary Biologics (CLEVB), Agricultural Research Center (ARC), Cairo, Egypt
| | - Heidy Shawky Abo-Elyazeed
- grid.7776.10000 0004 0639 9286Department of Microbiology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
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5
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Immunization of Mice with Gold Nanoparticles Conjugated to Thermostable Cancer Antigens Prevents the Development of Xenografted Tumors. Int J Mol Sci 2022; 23:ijms232214313. [PMID: 36430792 PMCID: PMC9693572 DOI: 10.3390/ijms232214313] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 11/03/2022] [Accepted: 11/15/2022] [Indexed: 11/19/2022] Open
Abstract
Gold nanoparticles as part of vaccines greatly increase antigen stability, antigen accumulation in the lymph nodes, and antigen uptake by antigen-presenting cells. The use of such particles as part of anticancer vaccines based on heat shock proteins to increase vaccine effectiveness is timely. We prepared and characterized nanoconjugates based on 15-nm gold nanoparticles and thermostable tumor antigens isolated from MH22a murine hepatoma cells. The whole-cell lysate of MH22a cells contained the main heat shock proteins. BALB/c mice were injected with the conjugates and then received transplants of MH22a cells. The highest titer was produced in mice immunized with the complex of gold nanoparticles + antigen with complete Freund's adjuvant. The immunized mice showed no signs of tumor growth for 24 days. They also showed a decreased production of the INF-γ, IL-6, and IL-1 proinflammatory cytokines compared to the mice immunized through other schemes. This study is the first to show that it is possible in principle to use gold nanoparticles in combination with thermostable tumor antigens for antitumor vaccination. Antitumor vaccines based on thermostable tumor antigens can be largely improved by including gold nanoparticles as additional adjuvants.
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Deng H, Chen D, Li X, Yang F, Liu S, Sun Y, Shi M, Bian Z, Tang G, Fan Z. Development of a colloidal gold immunochromatographic test strip for the rapid detection of iprodione. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:4370-4376. [PMID: 36268701 DOI: 10.1039/d2ay01374f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Iprodione is a dicarboximide fungicide that is widely used in agriculture around the world. A reliable and rapid detection method is needed for the on-site monitoring of iprodione residues in a variety of agricultural products. Herein, a colloidal gold immunochromatographic test strip was developed based on a selected coating antigen and a specific monoclonal antibody against iprodione. The particle size of colloidal gold, the preparation technique of the conjugate pad, the composition of the loading buffer, and the extraction solvent were comprehensively optimized for the test strip. A cut-off value of 0.9 mg kg-1 (50 ng mL-1) and a visual limit of detection of 0.09 mg kg-1 (5 ng mL-1) were achieved in a complex matrix of tobacco. No cross-reactivity was observed for iprodione metabolite and four other widely used pesticides during tobacco growth. Furthermore, the developed colloidal gold immunochromatographic test strip was applied to determine iprodione residues in tobacco samples, and the obtained results were in good agreement with those obtained by liquid chromatography tandem mass spectrometry. Additionally, the test strip was found to be stable afterlong-term storage at 37 °C for two months. The developed colloidal gold immunochromatographic test strip showed excellent accuracy, sensitivity, specificity, and stability, therefore, it is suitable for the rapid detection of iprodione residues in complex matrices.
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Affiliation(s)
- Huimin Deng
- China National Tobacco Quality Supervision and Test Center, Zhengzhou 450001, China.
| | - Dan Chen
- Yunnan Institute of Tobacco Quality Inspection & Supervision, Kunming 650106, China
| | - Xiangyang Li
- China Tobacco Yunan Imp. & Exp. Co., Ltd, Kunming 650031, China
| | - Fei Yang
- China National Tobacco Quality Supervision and Test Center, Zhengzhou 450001, China.
| | - Shanshan Liu
- China National Tobacco Quality Supervision and Test Center, Zhengzhou 450001, China.
| | - Yingying Sun
- China National Tobacco Quality Supervision and Test Center, Zhengzhou 450001, China.
| | - Mowen Shi
- China National Tobacco Quality Supervision and Test Center, Zhengzhou 450001, China.
| | - Zhaoyang Bian
- China National Tobacco Quality Supervision and Test Center, Zhengzhou 450001, China.
| | - Gangling Tang
- China National Tobacco Quality Supervision and Test Center, Zhengzhou 450001, China.
| | - Ziyan Fan
- China National Tobacco Quality Supervision and Test Center, Zhengzhou 450001, China.
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7
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Venzhik Y, Deryabin A, Popov V, Dykman L, Moshkov I. Priming with gold nanoparticles leads to changes in the photosynthetic apparatus and improves the cold tolerance of wheat. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 190:145-155. [PMID: 36115268 DOI: 10.1016/j.plaphy.2022.09.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 08/23/2022] [Accepted: 09/07/2022] [Indexed: 06/15/2023]
Abstract
Nanotechnologies provide a great platform for researching nanoparticles effects on living organisms including plants. This work shows the stimulating effect of seed priming with gold nanoparticles (AuNPs) on photosynthetic apparatus of Triticum aestivum seedlings. It was found using inductively coupled plasma-atomic emission and mass spectrometry that AuNPs (the average diameter of 15.3 nm, concentration of 20 μg ml-1) penetrated into the seeds, but were not found in seedling leaves. Ultrastructural changes in chloroplasts were found using transmission electron microscopy in plants grown from treated seeds: increases in the size of plastids, starch grains, grana in chloroplasts, and the number of thylakoids in grana. The intensity of photosynthesis, the content of chlorophylls, and the portion of unsaturated fatty acids in the composition of total leaf lipids were increased in treated AuNPs plants. This study demonstrates that revealed changes determined the increased tolerance of wheat to low temperature. The adaptive significance of these changes, possible mechanisms of the AuNPs effects on plants and future perspectives of study are discussed. This is the first report showing nanopriming with AuNPs as a new method to study the mechanisms of stress tolerance.
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Affiliation(s)
- Yuliya Venzhik
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia.
| | - Alexander Deryabin
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia
| | - Valery Popov
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia
| | - Lev Dykman
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Saratov Scientific Centre of the Russian Academy of Sciences, Saratov, Russia
| | - Igor Moshkov
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia
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8
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Biosynthesis and Characterization of Gold Nanoparticles Produced Using Rhodococcus Actinobacteria at Elevated Chloroauric Acid Concentrations. Int J Mol Sci 2022; 23:ijms232112939. [PMID: 36361740 PMCID: PMC9657095 DOI: 10.3390/ijms232112939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/18/2022] [Accepted: 10/22/2022] [Indexed: 12/03/2022] Open
Abstract
The growing industrial and medical use of gold nanoparticles (AuNPs) requires environmentally friendly methods for their production using microbial biosynthesis. The ability of actinobacteria of the genus Rhodococcus to synthesize AuNPs in the presence of chloroauric acid (HAuCl4) was studied. The effect of elevated (0.8–3.2 mM) concentrations of HAuCl4 on bacterial viability, morphology, and intracellular accumulation of AuNPs by different Rhodococcus species was shown. An increase in surface roughness, a shift of the zeta potential to the positive region, and the formation of cell aggregates of R. erythropolis IEGM 766 and R. ruber IEGM 1135 during nanoparticle synthesis were revealed as bacterial adaptations to toxic effects of HAuCl4. The possibility to biosynthesize AuNPs at a five times higher concentration of chloroauric acid compared to chemical synthesis, for example, using the citrate method, suggests greater efficiency of the biological process using Rhodococcus species. The main parameters of biosynthesized AuNPs (size, shape, surface roughness, and surface charge) were characterized using atomic force microscopy, dynamic and electrophoretic light scattering, and also scanning electron microscopy in combination with energy-dispersive spectrometry. Synthesized by R. erythropolis spherical AuNPs have smaller (30–120 nm) dimensions and are positively (12 mV) charged, unlike AuNPs isolated from R. ruber cells (40–200 nm and −22 mV, respectively). Such differences in AuNPs size and surface charge are due to different biomolecules, which originated from Rhodococcus cells and served as capping agents for nanoparticles. Biosynthesized AuNPs showed antimicrobial activity against Gram-positive (Micrococcus luteus) and Gram-negative (Escherichia coli) bacteria. Due to the positive charge and high dispersion, the synthesized by R. erythropolis AuNPs are promising for biomedicine, whereas the AuNPs formed by R. ruber IEGM 1135 are prone to aggregation and can be used for biotechnological enrichment of gold-bearing ores.
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Venzhik Y, Deryabin A, Popov V, Dykman L, Moshkov I. Gold nanoparticles as adaptogens increazing the freezing tolerance of wheat seedlings. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:55235-55249. [PMID: 35316488 DOI: 10.1007/s11356-022-19759-x] [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: 07/07/2021] [Accepted: 03/12/2022] [Indexed: 06/14/2023]
Abstract
The intensive development of nanotechnology led to the widespread application of various nanoparticles and nanomaterials. As a result, nanoparticles enter the environment and accumulate in ecosystems and living organisms. The consequences of possible impact of nanoparticles on living organisms are not obvious. Experimental data indicate that nanoparticles have both toxic and stimulating effects on organisms. In this study, we demonstrated for the first time that gold nanoparticles can act as adaptogens increasing plant freezing tolerance. Priming winter wheat (Triticum aestivum L., var. Moskovskaya 39, Poaceae) seeds for 1 day in solutions of gold nanoparticles (15-nm diameter, concentrations of 5, 10, 20, and 50 µg/ml) led to an increase in freezing tolerance of 7-day-old wheat seedlings. A relationship between an increase in wheat freezing tolerance and changes in some important indicators for its formation-growth intensity, the activity of the photosynthetic apparatus and oxidative processes, and the accumulation of soluble sugars in seedlings-was established. Assumptions on possible mechanisms of gold nanoparticles effects on plant freezing tolerance are discussed.
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Affiliation(s)
- Yuliya Venzhik
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, 127276, Russia.
| | - Alexander Deryabin
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, 127276, Russia
| | - Valery Popov
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, 127276, Russia
| | - Lev Dykman
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Saratov Scientific Centre of the Russian Academy of Sciences, Saratov, 410049, Russia
| | - Igor Moshkov
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, 127276, Russia
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10
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Kinetics and mechanism of gold anode corrosion in a weakly basic aqueous solution of triethylenetetramine. Russ Chem Bull 2022. [DOI: 10.1007/s11172-022-3516-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Venzhik YV, Deryabin AN, Popov VN, Dykman LA, Titov AF, Moshkov IE. Influence of Gold Nanoparticles on the Tolerance of Wheat to Low Temperature. DOKL BIOCHEM BIOPHYS 2022; 502:5-9. [PMID: 35275298 DOI: 10.1134/s1607672922010100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 08/31/2021] [Accepted: 09/03/2021] [Indexed: 11/23/2022]
Abstract
It was shown for the first time that the treatment of winter wheat (Triticum aestivum L.) seeds with gold nanoparticles (average diameter 15.3 nm; solution concentration 20 μg/mL) increases plant tolerance to low temperature. It was found that an increase in tolerance under the influence of nanoparticles is accompanied by a number of changes depending on temperature conditions. In optimal temperature conditions, gold nanoparticles stimulated plant growth and the activity of the photosynthetic apparatus, whereas in conditions of low-temperature hardening (2°C, 7 days) they inhibited growth but maintained photosynthetic activity, contributing to the accumulation of soluble sugars (cryoprotectants) in the leaves. It is concluded that gold nanoparticles can be considered as adaptogens that increase plant tolerance to low temperatures; however, their effectiveness in this role and the subtle mechanisms of action require further study.
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Affiliation(s)
- Y V Venzhik
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia.
| | - A N Deryabin
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia
| | - V N Popov
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia
| | - L A Dykman
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov, Russia
| | - A F Titov
- Institute of Biology, Karelian Research Centre, Russian Academy of Sciences, Petrozavodsk, Russia
| | - I E Moshkov
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Moscow, Russia
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12
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Bucharskaya AB, Khlebtsov NG, Khlebtsov BN, Maslyakova GN, Navolokin NA, Genin VD, Genina EA, Tuchin VV. Photothermal and Photodynamic Therapy of Tumors with Plasmonic Nanoparticles: Challenges and Prospects. MATERIALS (BASEL, SWITZERLAND) 2022; 15:1606. [PMID: 35208145 PMCID: PMC8878601 DOI: 10.3390/ma15041606] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/16/2022] [Accepted: 02/16/2022] [Indexed: 01/27/2023]
Abstract
Cancer remains one of the leading causes of death in the world. For a number of neoplasms, the efficiency of conventional chemo- and radiation therapies is insufficient because of drug resistance and marked toxicity. Plasmonic photothermal therapy (PPT) using local hyperthermia induced by gold nanoparticles (AuNPs) has recently been extensively explored in tumor treatment. However, despite attractive promises, the current PPT status is limited by laboratory experiments, academic papers, and only a few preclinical studies. Unfortunately, most nanoformulations still share a similar fate: great laboratory promises and fair preclinical trials. This review discusses the current challenges and prospects of plasmonic nanomedicine based on PPT and photodynamic therapy (PDT). We start with consideration of the fundamental principles underlying plasmonic properties of AuNPs to tune their plasmon resonance for the desired NIR-I, NIR-2, and SWIR optical windows. The basic principles for simulation of optical cross-sections and plasmonic heating under CW and pulsed irradiation are discussed. Then, we consider the state-of-the-art methods for wet chemical synthesis of the most popular PPPT AuNPs such as silica/gold nanoshells, Au nanostars, nanorods, and nanocages. The photothermal efficiencies of these nanoparticles are compared, and their applications to current nanomedicine are shortly discussed. In a separate section, we discuss the fabrication of gold and other nanoparticles by the pulsed laser ablation in liquid method. The second part of the review is devoted to our recent experimental results on laser-activated interaction of AuNPs with tumor and healthy tissues and current achievements of other research groups in this application area. The unresolved issues of PPT are the significant accumulation of AuNPs in the organs of the mononuclear phagocyte system, causing potential toxic effects of nanoparticles, and the possibility of tumor recurrence due to the presence of survived tumor cells. The prospective ways of solving these problems are discussed, including developing combined antitumor therapy based on combined PPT and PDT. In the conclusion section, we summarize the most urgent needs of current PPT-based nanomedicine.
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Affiliation(s)
- Alla B. Bucharskaya
- Core Facility Center, Saratov State Medical University, 112 Bol′shaya Kazachya Str., 410012 Saratov, Russia; (G.N.M.); (N.A.N.)
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
- Laser Molecular Imaging and Machine Learning Laboratory, Tomsk State University, 36 Lenin′s Av., 634050 Tomsk, Russia
| | - Nikolai G. Khlebtsov
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
- Nanobiotechnology Laboratory, Institute of Biochemistry and Physiology of Plants and Microorganisms RAS, FRC “Saratov Scientific Centre of the Russian Academy of Sciences”, 13 Prospekt Entuziastov, 410049 Saratov, Russia;
| | - Boris N. Khlebtsov
- Nanobiotechnology Laboratory, Institute of Biochemistry and Physiology of Plants and Microorganisms RAS, FRC “Saratov Scientific Centre of the Russian Academy of Sciences”, 13 Prospekt Entuziastov, 410049 Saratov, Russia;
| | - Galina N. Maslyakova
- Core Facility Center, Saratov State Medical University, 112 Bol′shaya Kazachya Str., 410012 Saratov, Russia; (G.N.M.); (N.A.N.)
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
| | - Nikita A. Navolokin
- Core Facility Center, Saratov State Medical University, 112 Bol′shaya Kazachya Str., 410012 Saratov, Russia; (G.N.M.); (N.A.N.)
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
| | - Vadim D. Genin
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
- Laser Molecular Imaging and Machine Learning Laboratory, Tomsk State University, 36 Lenin′s Av., 634050 Tomsk, Russia
| | - Elina A. Genina
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
- Laser Molecular Imaging and Machine Learning Laboratory, Tomsk State University, 36 Lenin′s Av., 634050 Tomsk, Russia
| | - Valery V. Tuchin
- Science Medical Center, Saratov State University, 83 Astrakhanskaya Str., 410012 Saratov, Russia; (V.D.G.); (E.A.G.); (V.V.T.)
- Laser Molecular Imaging and Machine Learning Laboratory, Tomsk State University, 36 Lenin′s Av., 634050 Tomsk, Russia
- Institute of Precision Mechanics and Control, FRC “Saratov Scientific Centre of the Russian Academy of Sciences”, 24 Rabochaya Str., 410028 Saratov, Russia
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Adaptation of a Bacterial Bioluminescent Assay to Monitor Bioeffects of Gold Nanoparticles. Bioengineering (Basel) 2022; 9:bioengineering9020061. [PMID: 35200414 PMCID: PMC8868574 DOI: 10.3390/bioengineering9020061] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 01/27/2022] [Accepted: 01/30/2022] [Indexed: 11/16/2022] Open
Abstract
Our current study aimed to adapt a bioluminescent bacteria-based bioassay to monitor the bioeffects of gold nanoparticles (AuNPs). Luminous marine bacteria Photobacterium phosphoreum and AuNPs modified with polyvinylpyrrolidone were employed; low-concentration (≤10−3 g/L) bioeffects of AuNPs were studied. Bioluminescence intensity was used as an indicator of physiological activity in bacteria. Two additional methods were used: reactive oxygen species (ROS) content was estimated with a chemiluminescent luminol method, and bacterial size was monitored using electron microscopy. The bacterial bioluminescent response to AuNPs corresponded to the “hormesis” model and involved time-dependent bioluminescence activation, as well as a pronounced increase in the number of enlarged bacteria. We found negative correlations between the time courses of bioluminescence and the ROS content in bacterial suspensions, demonstrating the relationship between bioluminescence activation and bacterial ROS consumption. The combined effects of AuNPs and a beta-emitting radionuclide, tritium, revealed suppression of bacterial bioluminescent activity (as compared to their individual effects) and a reduced percentage of enlarged bacteria. Therefore, we demonstrated that our bacteria-based bioluminescence assay is an appropriate tool to study the bioeffects of AuNPs; the bioeffects can be further classified within a unified framework for rapid bioassessment.
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Mehmandoust M, Khoshnavaz Y, Tuzen M, Erk N. Voltammetric sensor based on bimetallic nanocomposite for determination of favipiravir as an antiviral drug. Mikrochim Acta 2021; 188:434. [PMID: 34837114 PMCID: PMC8626286 DOI: 10.1007/s00604-021-05107-2] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 11/10/2021] [Indexed: 12/20/2022]
Abstract
A novel and sensitive voltammetric nanosensor was developed for the first time for trace level monitoring of favipiravir based on gold/silver core–shell nanoparticles (Au@Ag CSNPs) with conductive polymer poly (3,4-ethylene dioxythiophene) polystyrene sulfonate (PEDOT:PSS) and functionalized multi carbon nanotubes (F-MWCNTs) on a glassy carbon electrode (GCE). The formation of Au@Ag CSNPs/PEDOT:PSS/F-MWCNT composite was confirmed by various analytical techniques, including X-ray diffraction (XRD), ultraviolet–visible spectroscopy (UV–Vis), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX), and field-emission scanning electron microscopy (SEM). Under the optimized conditions and at a typical working potential of + 1.23 V (vs. Ag/AgCl), the Au@Ag CSNPs/PEDOT:PSS/F-MWCNT/GCE revealed linear quantitative ranges from 0.005 to 0.009 and 0.009 to 1.95 µM with a limit of detection 0.46 nM (S/N = 3) with acceptable relative standard deviations (1.1-4.9 %) for pharmaceutical formulations, urine, and human plasma samples without applying any sample pretreatment (1.12–4.93%). The interference effect of antiviral drugs, biological compounds, and amino acids was negligible, and the sensing system demonstrated outstanding reproducibility, repeatability, stability, and reusability. The findings revealed that this assay strategy has promising applications in diagnosing FAV in clinical samples, which could be attributed to the large surface area on active sites and high conductivity of bimetallic nanocomposite.
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Affiliation(s)
- Mohammad Mehmandoust
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06560, Ankara, Turkey.
- Biomaterials, Energy, Photocatalysis, Enzyme Technology, Nano & Advanced Materials, Additive Manufacturing, Environmental Applications, and Sustainability Research & Development Group (BIOENAMS R&D Group), Sakarya University, 54187, Sakarya, Turkey.
| | - Yasamin Khoshnavaz
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06560, Ankara, Turkey
| | - Mustafa Tuzen
- Department of Chemistry, Faculty of Science & Arts, Tokat Gaziosmanpaşa University, Tr-60250, Tokat, Turkey
- Research Institute, Center for Environment and Water, King Fahd University of Petroleum and Materials, Dhahran, 31261, Saudi Arabia
| | - Nevin Erk
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06560, Ankara, Turkey.
- Biomaterials, Energy, Photocatalysis, Enzyme Technology, Nano & Advanced Materials, Additive Manufacturing, Environmental Applications, and Sustainability Research & Development Group (BIOENAMS R&D Group), Sakarya University, 54187, Sakarya, Turkey.
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Khalaf MM, El-Senduny FF, Abd El-Lateef HM, Elsawy H, Tantawy AH, Shaaban S. Crystalline Gold nanoparticles adjusted by carboxymethyl cellulose and citrate salt: Fabrication, characterization, and in vitro anticancer activity. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Kumari S, Sharma KS, Nemiwal M, Khan S, Kumar D. Simultaneous detection of aqueous aluminum(III) and chromium(III) using Persea americana reduced and capped silver nanoparticles. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2021; 24:808-821. [PMID: 34559600 DOI: 10.1080/15226514.2021.1977911] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
There is a significant interest to develop sensing devices that detect water toxins, especially heavy metal ions. Although there have already been numerical reports on detecting toxic heavy metal ions, the use of adaptable devices could enable a broader range of sensing applications. Here, we used fresh peel extract (PeA) and dried peel extract (DPeA) of Persea americana (Avocado) as a reducing and capping agent to synthesize and stabilize AgNPs. The dimensions of NPs were controlled by tuning pH, temperature, and volume of the reducing agent. The sensitivity and selectivity of the AgNPs toward various metal ions viz. Ni(II), Cd(II), Al(III), Hg(II), Cr(III), Ba(II), Pb(II), Zn(II), Co(II), Mn(II), Cu(II), Ca(II), Mg(II), and K(I) were studied. The detection probe was found to be selective and sensitive toward Al(III) and Cr(III) ions with the detection limit of 0.04 ppm and 0.05 ppm, respectively. High-resolution transmission electron microscope (HRTEM), ultraviolet-visible (UV-Vis) spectroscopy, and dynamic light scattering (DLS) analysis results confirm an agglomeration-based mechanism for sensing both metal ions. This method can be exploited for the colorimetric detection of toxic heavy metals in real water samples.
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Affiliation(s)
- Sandhya Kumari
- School of Chemical Sciences, Central University of Gujarat, Gandhinagar, India
| | - Kritika S Sharma
- School of Chemical Sciences, Central University of Gujarat, Gandhinagar, India
| | - Meena Nemiwal
- Department of Chemistry, Malaviya National Institute of Technology, Jaipur, India
| | - Suphiya Khan
- Department of Bioscience and Biotechnology, Banasthali Vidyapith, Banasthali, India
| | - Dinesh Kumar
- School of Chemical Sciences, Central University of Gujarat, Gandhinagar, India
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Antipin IS, Alfimov MV, Arslanov VV, Burilov VA, Vatsadze SZ, Voloshin YZ, Volcho KP, Gorbatchuk VV, Gorbunova YG, Gromov SP, Dudkin SV, Zaitsev SY, Zakharova LY, Ziganshin MA, Zolotukhina AV, Kalinina MA, Karakhanov EA, Kashapov RR, Koifman OI, Konovalov AI, Korenev VS, Maksimov AL, Mamardashvili NZ, Mamardashvili GM, Martynov AG, Mustafina AR, Nugmanov RI, Ovsyannikov AS, Padnya PL, Potapov AS, Selektor SL, Sokolov MN, Solovieva SE, Stoikov II, Stuzhin PA, Suslov EV, Ushakov EN, Fedin VP, Fedorenko SV, Fedorova OA, Fedorov YV, Chvalun SN, Tsivadze AY, Shtykov SN, Shurpik DN, Shcherbina MA, Yakimova LS. Functional supramolecular systems: design and applications. RUSSIAN CHEMICAL REVIEWS 2021. [DOI: 10.1070/rcr5011] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Vedenyapina MD, Kuznetsov VV, Kulaishin SA, Makhova NN, Kazakova MM. Corrosion of Gold Anode in an Aqueous Solution of N,N-Dimethylpropane-1,3-diamine. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2021. [DOI: 10.1134/s1070428021090050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Staroverov SA, Fomin AS, Kozlov SV, Volkov AA, Kozlov ES, Gabalov KP, Dykman LA. Immune Response of Mice Against Babesia canis Antigens is Enhanced When Antigen is Coupled to Gold Nanoparticles. Acta Parasitol 2021; 66:493-500. [PMID: 33165701 DOI: 10.1007/s11686-020-00305-z] [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: 07/03/2020] [Accepted: 10/22/2020] [Indexed: 10/22/2022]
Abstract
PURPOSE The aim of this study was to isolate Babesia canis soluble antigens and to investigate the effect of their conjugates with gold nanoparticles on the immunogenicity in laboratory animals. METHODS A procedure was developed for isolating and purifying B. canis antigens. The isolated culture antigen of B. canis 495 was coupled to gold nanoparticles, and the conjugate was used to immunize laboratory mice. RESULTS Western blotting showed that the resultant antiserum specifically recognized the proteins of the B. canis strains isolated from naturally infected dogs. The antibody titer, the respiratory activity of peritoneal macrophages, the proliferative activity of splenocytes, and the production of cytokines were maximal when the animals were immunized with the antigen-nanoparticle conjugate emulsified in complete Freund's adjuvant. Without adjuvant, the babesial antigen was weakly immunogenic. CONCLUSION Therefore, the use of gold nanoparticles as an antigen carrier induced a broad immune response involving both cellular and humoral responses. The antibodies raised by the proposed procedure are potentially effective at immunodetection of Babesia canis infections in dogs.
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21
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Noble metal nanoparticles functionalized by natural asphaltenes as model phases for geochemical research. MENDELEEV COMMUNICATIONS 2020. [DOI: 10.1016/j.mencom.2020.11.042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Chavan C, Kamble S, Murthy AVR, Kale SN. Ampicillin-mediated functionalized gold nanoparticles against ampicillin-resistant bacteria: strategy, preparation and interaction studies. NANOTECHNOLOGY 2020; 31:215604. [PMID: 32018229 DOI: 10.1088/1361-6528/ab72b4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Antibiotic resistance is a highly challenging concern of infectious diseases, and it requires a rational approach to overcome. Through this work, we have synthesized ampicillin-capped gold nanoparticles (Amp-Au NPs) and studied its interaction with bacterial cells. In this process of synthesis, the primary amine group of ampicillin acts as both reducing as well as capping agent. In addition to synthesized gold nanoparticles, the β-lactam ring remains free to interact with bacteria. This approach not only utilizes the maximum efficiency of nanoparticles and antibiotics towards ampicillin sensitive bacterial cells but also proves to be effective against ampicillin resistance bacteria. Our results illustrate that the optimized system of Amp-Au NPs was formulated by taking 1.25 mM ampicillin and 10-2 of gold ions concentration. UV-vis spectrum of gold nanoparticles and the presence of ampicillin were recorded at around 540 nm and 259 nm, respectively. Microscopic images indicate that particles are nearly spherical and are in size range between 25 and 50 nm. Moreover, formulated Amp-Au NPs show successful accumulation onto the surface of the bacterial cell as a result of which pores were formed into the bacterial membrane. The entry of nanoparticles into bacterial cells was validated through both atomic force microscopy and fluorescent microscopy. The adhesive properties of this coating material and its stability in various pH, i.e. pH 3, pH 7 and pH 10 conditions, could make them a good candidate in the prevention of biofilm formation. Amp-Au NPs show promising antimicrobial activity against ampicillin resistance Escherichia coli bacteria. Furthermore, antimicrobial studies indicate that the efficacy of Amp-Au NPs increased against both ampicillin sensitive and ampicillin resistance bacteria up to sixteen folds and four folds respectively.
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Affiliation(s)
- Chetan Chavan
- Defence Institute of Advanced Technology (DIAT), Girinagar, Pune-411025, India
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Zhang S, Hang Y, Wu J, Tang Z, Li X, Zhang S, Wang L, Brash JL, Chen H. Dual Pathway for Promotion of Stem Cell Neural Differentiation Mediated by Gold Nanocomposites. ACS APPLIED MATERIALS & INTERFACES 2020; 12:22066-22073. [PMID: 32223207 DOI: 10.1021/acsami.9b22258] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The neural differentiation of embryonic stem cells (ESCs) is of great value in the treatment of neurodegenerative diseases. On the basis of the two related signaling pathways that direct the neural differentiation of ESCs, we used gold nanoparticles (GNP) as a means of combining chemical and physical cues to trigger the neurogenic differentiation of stem cells. Neural differentiation-related functional units (glyco and sulfonate units on glycosaminoglycans, GAG) were anchored on the GNP surface and were then transferred to the cell membrane surface via GNP-membrane interactions. The functional units were able to activate the GAG-related signaling pathway, in turn promoting differentiation and maturation of stem cells into neuronal lineages. In addition, using the photothermal effect of GNP, the differentiation-inducing factor retinoic acid (RA), could be actively delivered into cells via laser irradiation. The RA-related intracellular signaling pathway was thereby further triggered, resulting in strong promotion of neurogenesis with a 300-fold increase in mature neural marker expression. The gold nanocomposites developed in this work provide the basis for a new strategy directing ESCs differentiation into nerve cells with high efficiency and high purity by acting on two related signaling pathways.
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Affiliation(s)
- Sixuan Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Yingjie Hang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Jingxian Wu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Zengchao Tang
- Jiangsu Biosurf Biotech Company, Ltd., Suzhou 215123, P. R. China
| | - Xin Li
- Suzhou Seemine-Nebula Biotech Company, Ltd., Suzhou 215123, P. R. China
| | - Shenghan Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Lei Wang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - John L Brash
- School of Biomedical Engineering and Department of Chemical Engineering, McMaster University, Hamilton, Ontario L8S4L7, Canada
| | - Hong Chen
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
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Zhidkov IS, Kurmaev EZ, Cholakh SO, Fazio E, D’Urso L. XPS study of interactions between linear carbon chains and colloidal Au nanoparticles. MENDELEEV COMMUNICATIONS 2020. [DOI: 10.1016/j.mencom.2020.05.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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De Biasi F, Mancin F, Rastrelli F. Nanoparticle-assisted NMR spectroscopy: A chemosensing perspective. PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY 2020; 117:70-88. [PMID: 32471535 DOI: 10.1016/j.pnmrs.2019.12.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 06/11/2023]
Abstract
Sensing methodologies for the detection of target compounds in mixtures are important in many different contexts, ranging from medical diagnosis to environmental analysis and quality assessment. Ideally, such detection methods should allow for both identification and quantification of the targets, minimizing the possibility of false positives. With very few exceptions, most of the available sensing techniques rely on the selective interaction of the analyte with some detector, which in turn produces a signal as a result of the interaction. This approach hence provides indirect information on the targets, whose identity is generally ensured by comparison with known standards, if available, or by the selectivity of the sensor system itself. Pursuing a different approach, NMR chemosensing aims at generating signals directly from the analytes, in the form of a (complete) NMR spectrum. In this way, not only are the targets unequivocally identified, but it also becomes possible to identify and assign the structures of unknown species. In this review we show how relaxation- and diffusion-based NMR techniques, assisted by appropriate nanoparticles, can be used to edit the 1H NMR spectrum of a mixture and extract the signals of specific target compounds. Monolayer-protected nanoparticles, in particular those made from gold, are well suited to this task because they provide a versatile, protein-size support to build or incorporate supramolecular receptors. Remarkably, the self-organized and multifunctional nature of the nanoparticle coating allows exploitation of different kinds of non-covalent interactions, to provide tailored binding sites for virtually any class of molecules. From the NMR standpoint, the reduced translational and rotational diffusion rates of bulky nanoparticles offer a way to manipulate the states of the monolayer spins and build a reservoir of magnetization that can be selectively transferred to the interacting analytes. In addition, the low correlation time and the enhanced rigidity of the coating molecules (due to their grafting and crowding on the particle surface) promote efficient spin diffusion, useful in saturation transfer experiments. The optimized combination of NMR experiments and nanoreceptors can ultimately allow the detection of relevant analytes in the micromolar concentration range, paving the way to applications in the diagnostic field and beyond.
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Affiliation(s)
- Federico De Biasi
- Department of Chemical Sciences, Università degli Studi di Padova, via Marzolo 1, 35131 Padova, Italy
| | - Fabrizio Mancin
- Department of Chemical Sciences, Università degli Studi di Padova, via Marzolo 1, 35131 Padova, Italy
| | - Federico Rastrelli
- Department of Chemical Sciences, Università degli Studi di Padova, via Marzolo 1, 35131 Padova, Italy.
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Panfilova EV, Burov AM, Khlebtsov BN. Single-Stage Synthesis of Submicron Gold Particles. COLLOID JOURNAL 2020. [DOI: 10.1134/s1061933x20010093] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Kumari Y, Kaur G, Kumar R, Singh SK, Gulati M, Khursheed R, Clarisse A, Gowthamarajan K, Karri VVSNR, Mahalingam R, Ghosh D, Awasthi A, Kumar R, Yadav AK, Kapoor B, Singh PK, Dua K, Porwal O. Gold nanoparticles: New routes across old boundaries. Adv Colloid Interface Sci 2019; 274:102037. [PMID: 31655366 DOI: 10.1016/j.cis.2019.102037] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 09/16/2019] [Accepted: 09/17/2019] [Indexed: 01/14/2023]
Abstract
In recent years, gold nanoparticles have emerged as unique non-invasive drug carriers for targeting drugs to their site of action. Their site specificity has helped in increasing drugs' efficacy at lower dose as well as reduction in their side effects. Moreover, their excellent optical properties and small size offer their utilization as diagnostic tools to diagnose tumors as well as other diseases. This review focuses on various approaches that have been used in last several years for preparation of gold nanoparticles, their characterization techniques and theranostic applications. Their toxicity related aspects are also highlighted. Gold nanoparticles are useful as theranostic agents, owing to their small size, biocompatible nature, size dependent physical, chemical and optical properties etc. However, the challenges associated with these nanoparticles such as scale up, cost, low drug payload, toxicity and stability have been the major impediments in their commercialization. The review looks into all these critical issues and identifies the possibilities to overcome these challenges for successful positioning of metallic nanoparticles in market.
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Affiliation(s)
- Yogita Kumari
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Gurmandeep Kaur
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Rajesh Kumar
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India.
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Rubiya Khursheed
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Ayinkamiye Clarisse
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - K Gowthamarajan
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research (Deemed to be University), Ootacamund, Tamilnadu, India
| | - V V S Narayana Reddy Karri
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education and Research (Deemed to be University), Ootacamund, Tamilnadu, India
| | | | - Dipanjoy Ghosh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Ankit Awasthi
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Rajan Kumar
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Ankit Kumar Yadav
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Bhupinder Kapoor
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Pankaj Kumar Singh
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Hyderabad, India
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Australia
| | - Omji Porwal
- Department of Pharmacognosy, Faculty of Pharmacy, Ishik University, Erbil, Kurdistan, Iraq
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Dykman LA, Khlebtsov NG. Gold nanoparticles in chemo-, immuno-, and combined therapy: review [Invited]. BIOMEDICAL OPTICS EXPRESS 2019; 10:3152-3182. [PMID: 31467774 PMCID: PMC6706047 DOI: 10.1364/boe.10.003152] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 05/30/2019] [Accepted: 05/30/2019] [Indexed: 05/19/2023]
Abstract
Functionalized gold nanoparticles (GNPs) with controlled geometrical and optical properties have been the subject of intense research and biomedical applications. This review summarizes recent data and topical problems in nanomedicine that are related to the use of variously sized, shaped, and structured GNPs. We focus on three topical fields in current nanomedicine: (1) use of GNP-based nanoplatforms for the targeted delivery of anticancer and antimicrobial drugs and of genes; (2) GNP-based cancer immunotherapy; and (3) combined chemo-, immuno-, and phototherapy. We present a summary of the available literature data and a short discussion of future work.
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Affiliation(s)
- L A Dykman
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov 410049, Russia
| | - N G Khlebtsov
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov 410049, Russia
- Saratov National Research State University, 83 Ulitsa Astrakhanskaya, Saratov 410012, Russia
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