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Wang P, You Q, Liu Y, Miao H, Dong WF, Li L. Combating infections from drug-resistant bacteria: Unleashing synergistic broad-spectrum antibacterial power with high-entropy MXene/CDs. Colloids Surf B Biointerfaces 2024; 238:113874. [PMID: 38581833 DOI: 10.1016/j.colsurfb.2024.113874] [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: 01/22/2024] [Revised: 03/21/2024] [Accepted: 03/22/2024] [Indexed: 04/08/2024]
Abstract
The growing resistance of bacteria to antibiotics has posed challenges in treating associated bacterial infections, while the development of multi-model antibacterial strategies could efficient sterilization to prevent drug resistance. High-entropy MXene has emerged as a promising candidate for antibacterial synergy with inherent photothermal and photodynamic properties. Herein, a high-entropy nanomaterial of MXene/CDs was synthesized to amplify oxidative stress under near-infrared laser irradiation. Well-exfoliated MXene nanosheets have proven to show an excellent photothermal effect for sterilization. The incorporation of CDs could provide photo-generated electrons for MXene nanosheets to generate ROS, meanwhile reducing the recombination of electron-hole pairs to further accelerate the generation of photo-generated electrons. The MXene/CDs material demonstrates outstanding synergistic photothermal and photodynamic effects, possesses excellent biocompatibility and successfully eliminates drug-resistant bacteria as well as inhibits biofilm formation. While attaining a remarkable killing efficiency of up to 99.99% against drug-resistant Escherichia coli and Staphylococcus aureus, it also demonstrates outstanding antibacterial effects against four additional bacterial strains. This work not only establishes a synthesis precedent for preparing high-entropy MXene materials with CDs but also provides a potential approach for addressing the issue of drug-resistant bacterial infections.
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Affiliation(s)
- Panyong Wang
- School of Biomedical Engineering (Suzhou), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; CAS Key Laboratory of Biomedical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Science (CAS), Suzhou 215163, China
| | - Qiannan You
- School of Biomedical Engineering (Suzhou), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; CAS Key Laboratory of Biomedical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Science (CAS), Suzhou 215163, China.
| | - Yulu Liu
- School of Biomedical Engineering (Suzhou), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; CAS Key Laboratory of Biomedical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Science (CAS), Suzhou 215163, China
| | - Huimin Miao
- School of Biomedical Engineering (Suzhou), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; CAS Key Laboratory of Biomedical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Science (CAS), Suzhou 215163, China
| | - Wen-Fei Dong
- School of Biomedical Engineering (Suzhou), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; CAS Key Laboratory of Biomedical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Science (CAS), Suzhou 215163, China.
| | - Li Li
- School of Biomedical Engineering (Suzhou), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China; CAS Key Laboratory of Biomedical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Science (CAS), Suzhou 215163, China.
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2
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Cui M, Zhan T, Yang J, Dang H, Yang G, Han H, Liu L, Xu Y. Droplet Generation, Vitrification, and Warming for Cell Cryopreservation: A Review. ACS Biomater Sci Eng 2023; 9:1151-1163. [PMID: 36744931 DOI: 10.1021/acsbiomaterials.2c01087] [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] [Indexed: 02/07/2023]
Abstract
Cryopreservation is currently a key step in translational medicine that could provide new ideas for clinical applications in reproductive medicine, regenerative medicine, and cell therapy. With the advantages of a low concentration of cryoprotectant, fast cooling rate, and easy operation, droplet-based printing for vitrification has received wide attention in the field of cryopreservation. This review summarizes the droplet generation, vitrification, and warming method. Droplet generation techniques such as inkjet printing, microvalve printing, and acoustic printing have been applied in the field of cryopreservation. Droplet vitrification includes direct contact with liquid nitrogen vitrification and droplet solid surface vitrification. The limitations of droplet vitrification (liquid nitrogen contamination, droplet evaporation, gas film inhibition of heat transfer, frosting) and solutions are discussed. Furthermore, a comparison of the external physical field warming method with the conventional water bath method revealed that better applications can be achieved in automated rapid warming of microdroplets. The combination of droplet vitrification technology and external physical field warming technology is expected to enable high-throughput and automated cryopreservation, which has a promising future in biomedicine and regenerative medicine.
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Affiliation(s)
- Mengdong Cui
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai200093, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai200093, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai200093, China
| | - Taijie Zhan
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai200093, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai200093, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai200093, China
| | - Jiamin Yang
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai200093, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai200093, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai200093, China
| | - Hangyu Dang
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai200093, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai200093, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai200093, China
| | - Guoliang Yang
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai200093, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai200093, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai200093, China
| | - Hengxin Han
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai200093, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai200093, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai200093, China
| | - Linfeng Liu
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai200093, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai200093, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai200093, China
| | - Yi Xu
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai200093, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai200093, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai200093, China
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Chen J, Zhang X, Bassey AP, Xu X, Gao F, Guo K, Zhou G. Prospects for the next generation of artificial enzymes for ensuring the quality of chilled meat: Opportunities and challenges. Crit Rev Food Sci Nutr 2022; 64:3583-3603. [PMID: 36239319 DOI: 10.1080/10408398.2022.2133077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
As living standards rise, the demand for high-quality chilled meat among consumers also grows. Researchers and enterprises have been interested in ensuring the quality of chilled meat in all links of the downstream industry. Nanozyme has shown the potential to address the aforementioned requirements. Reasons and approaches for the application of nanozymes in the freshness assessment or shelf life extension of chilled meat were discussed. The challenges for applying these nanozymes to ensure the quality of chilled meat were also summarized. Finally, this review examined the safety, regulatory status, and consumer attitudes toward nanozymes. This review revealed that the freshness assessment of chilled meat is closely related to mimicking the enzyme activities of nanozymes, whereas the shelf life changes of chilled meat are mostly dependent on the photothermal activities and pseudophotodynamic activities of nanozymes. In contrast, studies regarding the shelf life of chilled meat are more challenging to develop, as excessive heat or reactive oxygen species impair its quality. Notably, meat contains a complex matrix composition that may interact with the nanozyme, reducing its effectiveness. Nanopollution and mass manufacturing are additional obstacles that must be overcome. Therefore, it is vital to choose suitable approaches to ensure meat quality. Furthermore, the safety of nanozymes in meat applications still needs careful consideration owing to their widespread usage.
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Affiliation(s)
- Jiahui Chen
- Key Laboratory of Meat Processing, Ministry of Agriculture, Key Lab of Meat Processing and Quality Control, Ministry of Education, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Xing Zhang
- Department of Trauma and Reconstructive Surgery, RWTH Aachen University, Aachen, Germany
| | - Anthony Pius Bassey
- Key Laboratory of Meat Processing, Ministry of Agriculture, Key Lab of Meat Processing and Quality Control, Ministry of Education, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Xinglian Xu
- Key Laboratory of Meat Processing, Ministry of Agriculture, Key Lab of Meat Processing and Quality Control, Ministry of Education, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Fenglei Gao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Kaijin Guo
- Institute of Orthopedics, Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Guanghong Zhou
- Key Laboratory of Meat Processing, Ministry of Agriculture, Key Lab of Meat Processing and Quality Control, Ministry of Education, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
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Akhtar N, Chen CL, Chattopadhyay S. PDT-active upconversion nanoheaters for targeted imaging guided combinatorial cancer phototherapies with low-power single NIR excitation. BIOMATERIALS ADVANCES 2022; 141:213117. [PMID: 36155246 DOI: 10.1016/j.bioadv.2022.213117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 09/07/2022] [Accepted: 09/11/2022] [Indexed: 01/05/2023]
Abstract
A versatile nanoformulation is designed by anchoring human transferrin protein (Tf) on fluoromagnetic upconverting nanoheaters, NaGdF4:Yb,Er (UCNP), loaded with Rose Bengal (RB), for multimodal imaging guided synergistic photothermal (PTT) and photodynamic therapy (PDT) at the targeted tumor site. The NIR excitation of the UCNP-RB Forster Resonance Energy Transfer (FRET) pair results in the reactive oxygen species (ROS) generation for PDT, whereas the non-radiative transitions in Er result in the heat required for PTT. The intravenously injected theranostic agent (UCNP@Tf-RB) enabled; (1) combinatorial PTT and PDT of 4T1 tumors with minimal systemic toxicity, (2) dual targeted (passive and active) tumor accumulation, (3) dual-modal imaging (MRI/photothermal), and, (4) excellent stability and biocompatibility. The in vitro therapy data corroborates the MRI findings that Tf conjugation resulted in actively targeted tumor accumulation via over-expressed transferrin receptors (TfR) on 4T1 cells. Real-time photothermal imaging enabled visualization of the tumor while receiving the therapy. The UCNP@Tf-RB, for synergistic PTT-PDT, and UCNP@Tf, for PTT only, caused rapid suppression of tumor with a tumor-growth inhibition index (TGII) of ~0.91, and 0.79, respectively. Histopathological examination demonstrated minimal damage to non-targeted tissues and caused significant damage to the tumor. This theranostic methodology enhances anti-cancer therapeutic efficiency, and announces the potential for pre-clinical cancer therapy.
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Affiliation(s)
- Najim Akhtar
- Institute of Biophotonics, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Chuan Lin Chen
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Surojit Chattopadhyay
- Institute of Biophotonics, National Yang Ming Chiao Tung University, Taipei 112, Taiwan.
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Alvarez C, Berrospe-Rodriguez C, Wu C, Pasek-Allen J, Khosla K, Bischof J, Mangolini L, Aguilar G. Photothermal heating of titanium nitride nanomaterials for fast and uniform laser warming of cryopreserved biomaterials. Front Bioeng Biotechnol 2022; 10:957481. [PMID: 36091458 PMCID: PMC9455577 DOI: 10.3389/fbioe.2022.957481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 07/18/2022] [Indexed: 11/20/2022] Open
Abstract
Titanium nitride (TiN) is presented as an alternative plasmonic nanomaterial to the commonly used gold (Au) for its potential use in laser rewarming of cryopreserved biomaterials. The rewarming of vitrified, glass like state, cryopreserved biomaterials is a delicate process as potential ice formation leads to mechanical stress and cracking on a macroscale, and damage to cell walls and DNA on a microscale, ultimately leading to the destruction of the biomaterial. The use of plasmonic nanomaterials dispersed in cryoprotective agent solutions to rapidly convert optical radiation into heat, generally supplied by a focused laser beam, proposes a novel approach to overcome this difficulty. This study focuses on the performance of TiN nanoparticles (NPs), since they present high thermal stability and are inexpensive compared to Au. To uniformly warm up the nanomaterial solutions, a beam splitting laser system was developed to heat samples from multiple sides with equal beam energy distribution. In addition, uniform laser warming requires equal distribution of absorption and scattering properties in the nanomaterials. Preliminary results demonstrated higher absorption but less scattering in TiN NPs than Au nanorods (GNRs). This led to the development of TiN clusters, synthetized by nanoparticle agglomeration, to increase the scattering cross-section of the material. Overall, this study analyzed the heating rate, thermal efficiency, and heating uniformity of TiN NPs and clusters in comparison to GNRs at different solution concentrations. TiN NPs and clusters demonstrated higher heating rates and solution temperatures, while only clusters led to a significantly improved uniformity in heating. These results highlight a promising alternative plasmonic nanomaterial to rewarm cryopreserved biological systems in the future.
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Affiliation(s)
- Crysthal Alvarez
- J. Mike Walker ’66 Department of Mechanical Engineering, Texas A&M University, College Station, TX, United States
- Department of Mechanical Engineering, University of California, Riverside, Riverside, CA, United States
| | - Carla Berrospe-Rodriguez
- Department of Mechanical Engineering, University of California, Riverside, Riverside, CA, United States
| | - Chaolumen Wu
- Department of Chemistry, University of California, Riverside, Riverside, CA, United States
| | - Jacqueline Pasek-Allen
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, United States
| | - Kanav Khosla
- Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN, United States
| | - John Bischof
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, United States
- Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN, United States
| | - Lorenzo Mangolini
- Department of Mechanical Engineering, University of California, Riverside, Riverside, CA, United States
- *Correspondence: Lorenzo Mangolini, ; Guillermo Aguilar,
| | - Guillermo Aguilar
- J. Mike Walker ’66 Department of Mechanical Engineering, Texas A&M University, College Station, TX, United States
- Department of Mechanical Engineering, University of California, Riverside, Riverside, CA, United States
- *Correspondence: Lorenzo Mangolini, ; Guillermo Aguilar,
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6
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Spatiotemporal Temperature Distribution of NIR Irradiated Polypyrrole Nanoparticles and Effects of pH. Polymers (Basel) 2022; 14:polym14153151. [PMID: 35956664 PMCID: PMC9371108 DOI: 10.3390/polym14153151] [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: 07/19/2022] [Revised: 07/29/2022] [Accepted: 07/29/2022] [Indexed: 11/17/2022] Open
Abstract
The spatiotemporal temperature distributions of NIR irradiated polypyrrole nanoparticles (PPN) were evaluated by varying PPN concentrations and the pH of suspensions. The PPN were synthesized by oxidative chemical polymerization, resulting in a hydrodynamic diameter of 98 ± 2 nm, which is maintained in the pH range of 4.2–10; while the zeta potential is significantly affected, decreasing from 20 ± 2 mV to −5 ± 1 mV at the same pH range. The temperature profiles of PPN suspensions were obtained using a NIR laser beam (1.5 W centered at 808 nm). These results were analyzed with a three-dimensional predictive unsteady-state heat transfer model that considers heat conduction, photothermal heating from laser irradiation, and heat generation due to the water absorption. The temperature profiles of PPN under laser irradiation are concentration-dependent, while the pH increase only induces a slight reduction in the temperature profiles. The model predicts a value of photothermal transduction efficiency (η) of 0.68 for the PPN. Furthermore, a linear dependency was found for the overall heat transfer coefficient (U) and η with the suspension temperature and pH, respectively. Finally, the model developed in this work could help identify the exposure time and concentration doses for different tissues and cells (pH-dependent) in photothermal applications.
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Liu Y, Zhan L, Kangas J, Wang Y, Bischof J. Fast and ultrafast thermal contrast amplification of gold nanoparticle-based immunoassays. Sci Rep 2022; 12:12729. [PMID: 35882876 PMCID: PMC9321340 DOI: 10.1038/s41598-022-14841-3] [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: 03/03/2022] [Accepted: 06/13/2022] [Indexed: 11/27/2022] Open
Abstract
For highly sensitive point-of-care (POC) diagnostics, we explored the limit of thermal contrast amplification (TCA) reading of gold nanoparticles (GNPs/mm2) at test regions in immunoassays. More specifically, we built and compared fast (minute scale) and ultrafast (seconds scale) TCA setups using continuous-wave (CW) and ms pulsed lasers, respectively. TCA improved the limit of detection (LoD) for silica-core gold nanoshells (GNSs) preloaded in nitrocellulose (NC) membrane as model lateral flow immunoassays (LFAs) by 10- to 20-fold over visual reading. While the ultrafast TCA led to higher thermal signals, this came with a twofold loss in LoD vs. fast TCA primarily due to noise within the infrared sensor and a necessity to limit power to avoid burning. To allow higher laser power, and therefore amplification fold, we also explored transparent glass coverslip substrate as a model microfluidic immunoassay (MIA). We found the ultrafast TCA reading of GNS-coated coverslips achieved a maximal signal amplification (57-fold) over visual reading of model LFAs. Therefore, ultrafast TCA-MIA is promising for ultrasensitive and ultrafast diagnostics. Further advantages of using TCA in MIA vs. LFA could include lower sample volume, multiplexed tests, higher throughput, and fast reading. In summary, TCA technology is able to enhance the sensitivity and speed of reading GNPs (GNPs/mm2) within both LFAs and MIAs.
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Affiliation(s)
- Yilin Liu
- Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Li Zhan
- Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Joseph Kangas
- Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Yiru Wang
- Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - John Bischof
- Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA. .,Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA.
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Zhang Q, Hou D, Wen X, Xin M, Li Z, Wu L, Pathak JL. Gold nanomaterials for oral cancer diagnosis and therapy: Advances, challenges, and prospects. Mater Today Bio 2022; 15:100333. [PMID: 35774196 PMCID: PMC9237953 DOI: 10.1016/j.mtbio.2022.100333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 06/06/2022] [Accepted: 06/16/2022] [Indexed: 12/24/2022] Open
Abstract
Early diagnosis and treatment of oral cancer are vital for patient survival. Since the oral cavity accommodates the second largest and most diverse microbiome community after the gut, the diagnostic and therapeutic approaches with low invasiveness and minimal damage to surrounding tissues are keys to preventing clinical intervention-related infections. Gold nanoparticles (AuNPs) are widely used in the research of cancer diagnosis and therapy due to their excellent properties such as surface-enhanced Raman spectroscopy, surface plasma resonance, controlled synthesis, the plasticity of surface morphology, biological safety, and stability. AuNPs had been used in oral cancer detection reagents, tumor-targeted therapy, photothermal therapy, photodynamic therapy, and other combination therapies for oral cancer. AuNPs-based noninvasive diagnosis and precise treatments further reduce the clinical intervention-related infections. This review is focused on the recent advances in research and application of AuNPs for early screening, diagnostic typing, drug delivery, photothermal therapy, radiotherapy sensitivity treatment, and combination therapy of oral cancer. Distinctive reports from the literature are summarized to highlight the latest advances in the development and application of AuNPs in oral cancer diagnosis and therapy. Finally, this review points out the challenges and prospects of possible applications of AuNPs in oral cancer diagnosis and therapy.
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Affiliation(s)
- Qing Zhang
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, 510182, China.,Laboratory for Myology, Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, 1081 BT Amsterdam, the Netherlands
| | - Dan Hou
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, 510182, China
| | - Xueying Wen
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, 510182, China
| | - Mengyu Xin
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, 510182, China
| | - Ziling Li
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, 510182, China
| | - Lihong Wu
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, 510182, China
| | - Janak L Pathak
- Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, 510182, China
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Garcés V, González A, Gálvez N, Delgado-López JM, Calvino JJ, Trasobares S, Fernández-Afonso Y, Gutiérrez L, Dominguez-Vera JM. Magneto-optical hyperthermia agents based on probiotic bacteria loaded with magnetic and gold nanoparticles. NANOSCALE 2022; 14:5716-5724. [PMID: 35348133 PMCID: PMC9008706 DOI: 10.1039/d1nr08513a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 03/23/2022] [Indexed: 05/06/2023]
Abstract
Probiotic bacteria were used as carriers of metallic nanoparticles to develop innovative oral agents for hyperthermia cancer therapy. Two synthetic strategies were used to produce the different therapeutic agents. First, the probiotic bacterium Lactobacillus fermentum was simultaneously loaded with magnetic (MNPs) and gold nanoparticles (AuNPs) of different morphologies to produce AuNP + MNP-bacteria systems with both types of nanoparticles arranged in the same layer of bacterial exopolysaccharides (EPS). In the second approach, the probiotic was first loaded with AuNP to form AuNP-bacteria and subsequently loaded with MNP-EPS to yield AuNP-bacteria-EPS-MNP with the MNP and AuNP arranged in two different EPS layers. This second strategy has never been reported and exploits the presence of EPS-EPS recognition which allows the layer-by-layer formation of structures on the bacteria external wall. The AuNP + MNP-bacteria and AuNP-bacteria-EPS-MNP samples were characterized by scanning (SEM) and transmission electron microscopy (TEM), and UV-vis spectroscopy. The potential of these two heterobimetallic systems as magnetic hyperthermia or photothermal therapy agents was assessed, validating their capacity to produce heat either during exposure to an alternating magnetic field or near-infrared laser light. The probiotic Lactobacillus fermentum has already been proposed as an oral drug carrier, able to overcome the stomach medium and deliver drugs to the intestines, and it is actually marketed as an oral supplement to reinforce the gut microbiota, thus, our results open the way for the development of novel therapeutic strategies using these new heterobimetallic AuNP/MNP-bacteria systems in the frame of gastric diseases, using them, for example, as oral agents for cancer treatment with magnetic hyperthermia and photothermal therapy.
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Affiliation(s)
- Víctor Garcés
- Departamento de Química Inorgánica and Instituto de Biotecnología, Universidad de Granada, 18071 Granada, Spain.
| | - Ana González
- Departamento de Química Inorgánica and Instituto de Biotecnología, Universidad de Granada, 18071 Granada, Spain.
| | - Natividad Gálvez
- Departamento de Química Inorgánica and Instituto de Biotecnología, Universidad de Granada, 18071 Granada, Spain.
| | - José M Delgado-López
- Departamento de Química Inorgánica and Instituto de Biotecnología, Universidad de Granada, 18071 Granada, Spain.
| | - Jose J Calvino
- Departamento Ciencia de Materiales e Ingeniería Metalúrgica y Química Inorgánica, Universidad de Cádiz, 11510 Cádiz, Spain
| | - Susana Trasobares
- Departamento Ciencia de Materiales e Ingeniería Metalúrgica y Química Inorgánica, Universidad de Cádiz, 11510 Cádiz, Spain
| | - Yilian Fernández-Afonso
- Departamento de Química Analítica, Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC - Universidad de Zaragoza and CIBER-BBN, 50018 Zaragoza, Spain.
| | - Lucía Gutiérrez
- Departamento de Química Analítica, Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC - Universidad de Zaragoza and CIBER-BBN, 50018 Zaragoza, Spain.
| | - José M Dominguez-Vera
- Departamento de Química Inorgánica and Instituto de Biotecnología, Universidad de Granada, 18071 Granada, Spain.
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Kangas J, Zhan L, Liu Y, Natesan H, Khosla K, Bischof J. Ultra-Rapid Laser Calorimetry for the Assessment of Crystallization in Low-Concentration Cryoprotectants. JOURNAL OF HEAT TRANSFER 2022; 144:031207. [PMID: 35833150 PMCID: PMC8823201 DOI: 10.1115/1.4052568] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 09/16/2021] [Indexed: 06/15/2023]
Abstract
Cryoprotective agents (CPAs) are routinely used to vitrify, attain an amorphous glass state void of crystallization, and thereby cryopreserve biomaterials. Two vital characteristics of a CPA-loaded system are the critical cooling and warming rates (CCR and CWR), the temperature rates needed to achieve and return from a vitrified state, respectively. Due to the toxicity associated with CPAs, it is often desirable to use the lowest concentrations possible, driving up CWR and making it increasingly difficult to measure. This paper describes a novel method for assessing CWR between the 0.4 × 105 and 107 °C/min in microliter CPA-loaded droplet systems with a new ultrarapid laser calorimetric approach. Cooling was achieved by direct quenching in liquid nitrogen, while warming was achieved by the irradiation of plasmonic gold nanoparticle-loaded vitrified droplets by a high-power 1064 nm millisecond pulsed laser. We assume "apparent" vitrification is achieved provided ice is not visually apparent (i.e., opacity) upon imaging with a camera (CCR) during cooling or highspeed camera (CWR) during warming. Using this approach, we were able to investigate CWRs in single CPA systems such as propylene glycol (PG), glycerol, and Trehalose in water, as well as mixtures of glycerol-trehalose-water and propylene glycol-trehalose-water CPA at low concentrations (20-40 wt %). Further, a phenomenological model for determining the CCRs and CWRs of CPAs was developed which allowed for predictions of CCR or CWR of single component CPA and mixtures (within and outside of the regime their constituents were measured in), providing an avenue for optimizing CCR and CWR and perhaps future CPA cocktail discovery.
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Affiliation(s)
- Joseph Kangas
- Department of Mechanical Engineering, University of Minnesota-Twin Cities, Minneapolis, MN 55408
| | - Li Zhan
- Department of Mechanical Engineering, University of Minnesota-Twin Cities, Minneapolis, MN 55408
| | - Yilin Liu
- Department of Mechanical Engineering, University of Minnesota-Twin Cities, Minneapolis, MN 55408
| | - Harishankar Natesan
- Department of Mechanical Engineering, University of Minnesota-Twin Cities, Minneapolis, MN 55408
| | - Kanav Khosla
- Department of Mechanical Engineering, University of Minnesota-Twin Cities, Minneapolis, MN 55408
| | - John Bischof
- Department of Mechanical Engineering, University of Minnesota-Twin Cities, Minneapolis, MN 55408; Department of Biomedical Engineering, University of Minnesota-Twin Cities, Minneapolis, MN 55408
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11
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Chen XE, Mangindaan D, Chien HW. Green sustainable photothermal materials by spent coffee grounds. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2022.104259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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12
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Sun S, Song Y, Chen J, Huo M, Chen Y, Sun L. NIR -I and NIR-II irradiation tumor ablation using NbS 2 nanosheets as the photothermal agent. NANOSCALE 2021; 13:18300-18310. [PMID: 34724017 DOI: 10.1039/d1nr05449j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Photothermal therapy has been considered a powerful means of cancer therapy due to its minimal invasiveness, effectiveness, and convenience. Although promising, the therapeutic effects are greatly limited as they rely on the photothermal agent (PTA). It is urgent to develop new PTAs with high photothermal conversion performance, especially under irradiation in the long-wavelength biowindows. Herein, a dual-biowindow-responsive PTA made of NbS2-PVP nanosheets was fabricated to be used both in the first near-infrared (NIR-I) and the second near-infrared (NIR-II) biowindows. With excellent hydrophilicity and biocompatibility, the nanosheets could effectively convert the near-infrared (NIR) light into heat, showing prominent photothermal stability. The calculated photothermal conversion efficiencies reached 59.2% (under NIR-I excitation) and 69.1% (under NIR-II excitation), respectively, which are comparable to those of metallic PTAs. The NbS2-PVP nanosheets had low cytotoxicity and could trigger strong photothermal treatment and cause cancer cell death upon irradiation by NIR-I or NIR-II light in vitro. Moreover, we have also demonstrated the highly efficient tissue ablation and tumor inhibition capability of NbS2-PVP nanosheets in vivo. This work explores an effective PTA of two-dimensional nanomaterials in NIR-I and NIR-II biowindows and offers a reference for the design of new kinds of PTAs.
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Affiliation(s)
- Songqiang Sun
- Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, China.
- State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China.
| | - Yapai Song
- School of Material Science and Engineering, Shanghai University, Shanghai 200444, China
| | - Jiabo Chen
- Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, China.
- Research Center of Nano Science and Technology, College of Science, Shanghai University, Shanghai 200444, China
| | - Minfeng Huo
- State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China.
| | - Yu Chen
- State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China.
| | - Lining Sun
- Department of Chemistry, College of Science, Shanghai University, Shanghai 200444, China.
- Research Center of Nano Science and Technology, College of Science, Shanghai University, Shanghai 200444, China
- School of Material Science and Engineering, Shanghai University, Shanghai 200444, China
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13
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Wang Y, Gao Z, Han Z, Liu Y, Yang H, Akkin T, Hogan CJ, Bischof JC. Aggregation affects optical properties and photothermal heating of gold nanospheres. Sci Rep 2021; 11:898. [PMID: 33441620 PMCID: PMC7806971 DOI: 10.1038/s41598-020-79393-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 12/03/2020] [Indexed: 01/29/2023] Open
Abstract
Laser heating of gold nanospheres (GNS) is increasingly prevalent in biomedical applications due to tunable optical properties that determine heating efficiency. Although many geometric parameters (i.e. size, morphology) can affect optical properties of individual GNS and their heating, no specific studies of how GNS aggregation affects heating have been carried out. We posit here that aggregation, which can occur within some biological systems, will significantly impact the optical and therefore heating properties of GNS. To address this, we employed discrete dipole approximation (DDA) simulations, Ultraviolet-Visible spectroscopy (UV-Vis) and laser calorimetry on GNS primary particles with diameters (5, 16, 30 nm) and their aggregates that contain 2 to 30 GNS particles. DDA shows that aggregation can reduce the extinction cross-section on a per particle basis by 17-28%. Experimental measurement by UV-Vis and laser calorimetry on aggregates also show up to a 25% reduction in extinction coefficient and significantly lower heating (~ 10%) compared to dispersed GNS. In addition, comparison of select aggregates shows even larger extinction cross section drops in sparse vs. dense aggregates. This work shows that GNS aggregation can change optical properties and reduce heating and provides a new framework for exploring this effect during laser heating of nanomaterial solutions.
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Affiliation(s)
- Yiru Wang
- Department of Mechanical Engineering, University of Minnesota, Twin Cities, Minneapolis, MN, 55455, USA
| | - Zhe Gao
- Department of Mechanical Engineering, University of Minnesota, Twin Cities, Minneapolis, MN, 55455, USA
| | - Zonghu Han
- Department of Mechanical Engineering, University of Minnesota, Twin Cities, Minneapolis, MN, 55455, USA
| | - Yilin Liu
- Department of Mechanical Engineering, University of Minnesota, Twin Cities, Minneapolis, MN, 55455, USA
| | - Huan Yang
- Department of Mechanical Engineering, University of Minnesota, Twin Cities, Minneapolis, MN, 55455, USA
| | - Taner Akkin
- Department of Biomedical Engineering, University of Minnesota, Twin Cities, Minneapolis, MN, 55455, USA
| | - Christopher J Hogan
- Department of Mechanical Engineering, University of Minnesota, Twin Cities, Minneapolis, MN, 55455, USA
| | - John C Bischof
- Department of Mechanical Engineering, University of Minnesota, Twin Cities, Minneapolis, MN, 55455, USA.
- Department of Biomedical Engineering, University of Minnesota, Twin Cities, Minneapolis, MN, 55455, USA.
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Khosla K, Kangas J, Liu Y, Zhan L, Daly J, Hagedorn M, Bischof J. Cryopreservation and Laser Nanowarming of Zebrafish Embryos Followed by Hatching and Spawning. ADVANCED BIOSYSTEMS 2020; 4:e2000138. [PMID: 32996298 PMCID: PMC8627598 DOI: 10.1002/adbi.202000138] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 09/18/2020] [Indexed: 08/25/2023]
Abstract
This study shows for the first time the ability to rewarm cryopreserved zebrafish embryos that grow into adult fish capable of breeding normally. The protocol employs a single injection of cryoprotective agents (CPAs) and gold nanorods (GNRs) into the yolk and immersion in a precooling bath to dehydrate the perivitelline space. Then embryos are encapsulated within CPA and GNR droplets, plunged into liquid nitrogen, cryogenically stabilized, and rewarmed by a laser pulse. Postlaser nanowarming, embryos (n = 282) exhibit intact structure by 1 h (40%), continued development after 3 h (22%), movement after 24 h (11%), hatching after 48 h (9%), and swimming after Day 5 (3%). Finally, from fish that survives till Day 5, two larvae are grown to adulthood and spawned, yielding survival comparable to an unfrozen control. Future efforts will focus on improving the survival to adulthood and developing methods to cryopreserve large numbers of embryos for research, aquaculture, and biodiversity preservation.
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Affiliation(s)
- Kanav Khosla
- Department of Mechanical Engineering, University of Minnesota, 111 Church St SE, Minneapolis, MN, 55455, USA
| | - Joseph Kangas
- Department of Mechanical Engineering, University of Minnesota, 111 Church St SE, Minneapolis, MN, 55455, USA
| | - Yilin Liu
- Department of Mechanical Engineering, University of Minnesota, 111 Church St SE, Minneapolis, MN, 55455, USA
| | - Li Zhan
- Department of Mechanical Engineering, University of Minnesota, 111 Church St SE, Minneapolis, MN, 55455, USA
| | - Jonathan Daly
- Center for Species Survival, Smithsonian Conservation Biology Institute, Smithsonian National Zoological Park, Washington, DC, 20008, USA
- Hawaii Institute of Marine Biology, University of Hawaii, 46-007 Lilipuna Road, Kaneohe, HI, 96744, USA
| | - Mary Hagedorn
- Center for Species Survival, Smithsonian Conservation Biology Institute, Smithsonian National Zoological Park, Washington, DC, 20008, USA
- Hawaii Institute of Marine Biology, University of Hawaii, 46-007 Lilipuna Road, Kaneohe, HI, 96744, USA
| | - John Bischof
- Department of Biomedical Engineering, University of Minnesota, 312 Church St SE, Minneapolis, MN, 55455, USA
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