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Huang WQ, Zhu YQ, You W, Chen J, Gao F, Nie X, Zhang Z, Chen G, Yu Y, Xia L, Hong CY, Wang LH, Hao ZY, You YZ. Tumor Microenvironment Triggered the In Situ Synthesis of an Excellent Sonosensitizer in Tumor for Sonodynamic Therapy. ACS APPLIED MATERIALS & INTERFACES 2022; 14:26469-26479. [PMID: 35670468 DOI: 10.1021/acsami.2c05369] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
An ultrasound-triggered sonodynamic therapy has shown great promise for cancer therapy. However, its clinical applications are very limited because the traditional sonosensitizers tend to suffer from very poor efficiency combined with low retention in cancer cells and low tumor selectivity. Therefore, sonosensitizers with higher effectivity, higher tumor cell retention, and higher tumor cell specificity are highly required. Herein, we constructed a Ti2C(OH)X nanosheet, which was a poor sonosensitizer but had a long circulation in the blood system. However, it was very interesting to find that the tumor microenvironment could in situ turn Ti2C(OH)X nanosheet into a novel and excellent sonosensitizer with a nanofiber structure in tumors, exhibiting excellent ability to generate reactive oxygen species (ROS) under ultrasound. Moreover, the nanofiber structure made it very difficult to get out of cancer cells, highly enhancing the retention of the sonosensitizer in the tumor, thereby enabling it to effectively and selectively kill cancer cells in vivo. Our findings demonstrate that the strategy of the tumor microenvironment triggering the in situ synthesis of an effective sonosensitizer in tumor provided a promising means to simultaneously increase the efficiency, sonosensitizer retention in cancer cells, and cancer selectivity, thereby effectively killing cancer cells but causing little damage to healthy tissues via the sonodynamic therapy.
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Affiliation(s)
- Wei-Qiang Huang
- The Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Ya-Qi Zhu
- The Department of Gastroenterology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Wei You
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Jing Chen
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Fan Gao
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Xuan Nie
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Ze Zhang
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Guang Chen
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yue Yu
- The Department of Gastroenterology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Lei Xia
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Chun-Yan Hong
- Hefei National Laboratory for Physical Science at Microscale, Hefei, Anhui 230026, China
| | - Long-Hai Wang
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Zong-Yao Hao
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, China
| | - Ye-Zi You
- The Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026, China
- Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
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2
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Maurizi L, Bellat V, Moreau M, De Maistre E, Boudon J, Dumont L, Denat F, Vandroux D, Millot N. Titanate nanoribbon-based nanobiohybrid for potential applications in regenerative medicine. RSC Adv 2022; 12:26875-26881. [PMID: 36320832 PMCID: PMC9490774 DOI: 10.1039/d2ra04753e] [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: 07/29/2022] [Accepted: 09/14/2022] [Indexed: 11/26/2022] Open
Abstract
Nanoparticles capable of mimicking natural tissues represent a major technological advancement in regenerative medicine. In this pilot study, the development of a new nanohybrid composed of titanate nanoribbons to mimic the extracellular matrix is reported. During the first phase, nanoribbons were synthesized by hydrothermal treatment. Subsequently, titanate nanoribbons were functionalized by heterobifunctional polyethylene-glycol (PEG) to graft type I collagen on their surface. Biological properties of this new nanobiohybrid such as cytotoxicity to cardiac cells and platelet aggregation ability were evaluated. The so-formed nanobiohybrid permits cellular adhesion and proliferation favoring fine cardiac tissue healing and regeneration. Titanate nanoribbons functionalized by heterobifunctional polymer and type I collagen for cellular adhesion and proliferation. This new nanobiohybrid affected neither cytotoxicity nor platelet aggregation ability.![]()
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Affiliation(s)
- Lionel Maurizi
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS/Université Bourgogne Franche-Comté, 9 Avenue Alain Savary, BP 47870, 21078 Dijon, France
| | - Vanessa Bellat
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS/Université Bourgogne Franche-Comté, 9 Avenue Alain Savary, BP 47870, 21078 Dijon, France
- Société NVH Medicinal, Dijon, France
- Molecular Imaging Innovations Institute, Department of Radiology, Weill Cornell Medicine, 413 E 69th Street, New York, NY, 10021, USA
| | - Mathieu Moreau
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR 6302 CNRS/Université Bourgogne Franche-Comté, 9 Avenue Alain Savary, BP 47870, 21078 Dijon, France
| | | | - Julien Boudon
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS/Université Bourgogne Franche-Comté, 9 Avenue Alain Savary, BP 47870, 21078 Dijon, France
| | | | - Franck Denat
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR 6302 CNRS/Université Bourgogne Franche-Comté, 9 Avenue Alain Savary, BP 47870, 21078 Dijon, France
| | | | - Nadine Millot
- Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303 CNRS/Université Bourgogne Franche-Comté, 9 Avenue Alain Savary, BP 47870, 21078 Dijon, France
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3
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Kamal N, Zaki AH, El-Shahawy AA, Sayed OM, El-Dek SI. Changing the morphology of one-dimensional titanate nanostructures affects its tissue distribution and toxicity. Toxicol Ind Health 2021; 36:272-286. [PMID: 32552542 DOI: 10.1177/0748233720921693] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The present research investigated the impact of the morphology change of titanate (TiO2) nanostructures on its tissue distribution and toxicity. The TiO2 nanotubes, rods, and ribbons were synthesized by the hydrothermal technique, and the morphology was adjusted by alteration of the hydrothermal duration time. The characterization techniques were X-ray diffraction, high-resolution transmission electron microscopy, dynamic light scattering, and the Brunauer-Emmett-Teller method for measuring the surface area. The intravenously administrated dose (5 mg/kg) was injected as a single dose for 1 day and consecutively for 42 days. The quantitative analysis of accumulated TiO2 nanostructures in the liver, spleen, and the heart was performed using an inductively coupled plasma emission spectrometer, and the organs' toxicity was estimated by histopathological analysis. The prepared nanostructures exhibited differences in morphology, crystallinity, size distribution, surface area, zeta potential, and aspect ratio. The results revealed a tissue distribution difference between the liver, spleen, and heart of these nanostructures, the distribution order was the liver, spleen, and the heart for all TiO2 nanostructures. The toxicity was induced with different degrees. The nanotubes were the most harmful among the three formats. In summary, changes in the morphology of the TiO2 nanostructures change its distribution and toxicity.
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Affiliation(s)
- Nahla Kamal
- Materials Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, Beni-Suef, Egypt
| | - A H Zaki
- Materials Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, Beni-Suef, Egypt
| | - Ahmed Ag El-Shahawy
- Materials Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University, Beni-Suef, Egypt
| | - Ossama M Sayed
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Beni Suef University, Beni-Suef, Egypt
| | - S I El-Dek
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Beni Suef University, Beni-Suef, Egypt
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Ahmed AM, Mohamed F, Ashraf AM, Shaban M, Aslam Parwaz Khan A, Asiri AM. Enhanced photoelectrochemical water splitting activity of carbon nanotubes@TiO 2 nanoribbons in different electrolytes. CHEMOSPHERE 2020; 238:124554. [PMID: 31421463 DOI: 10.1016/j.chemosphere.2019.124554] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 08/01/2019] [Accepted: 08/09/2019] [Indexed: 05/09/2023]
Abstract
Hydrogen production from water splitting by a photocatalytic process is one way that can be used to solve global problems related to energy depletion and environmental pollution. This work aims to design and characterize a novel photocatalyst nanohybrid carbon nanotubes@TiO2 nanoribbons (CNTs@TNRs) for enhanced photoelectrochemical (PEC) water splitting in different electrolytes under visible light irradiance. Here, hydrothermal and chemical vapor deposition (HT-CVD) were combined to grow CNTs @ the nanopits of TNRs producing network of nanohybrid CNTs@TNRs. The structural, morphological, optical, and photocatylatic properties of the TNRs and CNTs@TNRs nanohybrid were characterized by different techniques. The crystallite size is increased from 14.86 nm for TNRs to 21.61 nm for CNTs@TNRs nanohybrid. The CNTs@TNRs nanohybrid has well-resolved nanopits on the surface of the TNRs with an average diameter of 10 nm. The absorption edge of CNTs@TNRs relative to TNRs was strongly shifted to the visible light region. The band gap values are 3.78 and 2.07 eV for TNRs and CNTs@TNRs, respectively. The TNRs and CNTs@TNRs were used for the photocatalytic water splitting under visible light irradiance in Na2S2O3, HCl and KOH electrolytes of different concentrations. The calculated incident photon-to-current conversion efficiency (IPCE) was 97% at 510 nm. These values are higher than those previously reported for different photoelectrodes. The number of hydrogen moles was calculated to be 300 μmol h-1 cm-2. Therefore, our work demonstrates a feasible route for efficient PEC water splitting under sunlight irradiation utilizing the novel CNTs@TNRs photocatalyst.
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Affiliation(s)
- Ashour M Ahmed
- Nanophotonics and Applications (NPA) Lab, Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt
| | - Fatma Mohamed
- Nanophotonics and Applications (NPA) Lab, Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt; Polymer Research Laboratory, Chemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt
| | - Abdallah M Ashraf
- Nanophotonics and Applications (NPA) Lab, Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt; Polymer Research Laboratory, Chemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt
| | - Mohamed Shaban
- Nanophotonics and Applications (NPA) Lab, Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt.
| | - Aftab Aslam Parwaz Khan
- Center of Excellence for Advanced Materials Research and Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, P.O. Box 80203, Saudi Arabia.
| | - Abdullah M Asiri
- Center of Excellence for Advanced Materials Research and Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, P.O. Box 80203, Saudi Arabia
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Cruz P, Fajardo M, del Hierro I, Pérez Y. Selective oxidation of thioanisole by titanium complexes immobilized on mesoporous silica nanoparticles: elucidating the environment of titanium(iv) species. Catal Sci Technol 2019. [DOI: 10.1039/c8cy01929k] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The coordination environment of titanium of the catalysts was investigated by DRUV–vis, Raman and 47/49Ti MAS-NMR spectroscopies and solid-state electrochemical techniques.
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Affiliation(s)
- Paula Cruz
- Departamento Biología y Geología
- Física y Química Inorgánica (E.S.C.E.T.)
- Universidad Rey Juan Carlos
- Madrid
- Spain
| | - Mariano Fajardo
- Departamento Biología y Geología
- Física y Química Inorgánica (E.S.C.E.T.)
- Universidad Rey Juan Carlos
- Madrid
- Spain
| | - Isabel del Hierro
- Departamento Biología y Geología
- Física y Química Inorgánica (E.S.C.E.T.)
- Universidad Rey Juan Carlos
- Madrid
- Spain
| | - Yolanda Pérez
- Departamento Biología y Geología
- Física y Química Inorgánica (E.S.C.E.T.)
- Universidad Rey Juan Carlos
- Madrid
- Spain
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6
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Loiseau A, Boudon J, Mirjolet C, Créhange G, Millot N. Taxane-Grafted Metal-Oxide Nanoparticles as a New Theranostic Tool against Cancer: The Promising Example of Docetaxel-Functionalized Titanate Nanotubes on Prostate Tumors. Adv Healthc Mater 2017; 6. [PMID: 28516460 DOI: 10.1002/adhm.201700245] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 04/12/2017] [Indexed: 12/21/2022]
Abstract
The combination of anticancer drugs and metal oxide nanoparticles is of great interest in cancer nanomedicine. Here, the development of a new nanohybrid, titanate nanotube-docetaxel (TiONts-DTX) is reported, the two parts of which are conjugated by covalent linkages. Unlike most nanoparticles currently being developed for biomedical purposes, TiONts present a needle-shaped morphology. The surface of TiONts is linked with 3-aminopropyl triethoxysilane and with a hetero-bifunctional polymer (polyethylene glycol) to create well-dispersed and biocompatible nanovectors. The prefunctionalized surface of this scaffold has valuable attachments to graft therapeutic agents (DTX in our case) as well as chelating agents (1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid) to monitor the nanohybrids. To evaluate drug efficacy, in vitro tests have demonstrated that the association between TiONts and DTX shows cytotoxic activity against a hormone-refractory prostate cancer cell line (22Rv1) whereas TiONts without DTX do not. Finally, the first in vivo tests with intratumoral injections show that more than 70% of TiONts nanovectors are retained within the tumor for at least 7 d. Moreover, tumor growth in mice receiving TiONts-DTX is significantly slower than that in mice receiving free DTX. This nanohybrid can thus become a promising new tool in biomedicine to fight against prostate cancer.
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Affiliation(s)
- Alexis Loiseau
- Laboratoire Interdisciplinaire Carnot de Bourgogne; UMR 6303 CNRS; Université Bourgogne Franche-Comté; BP 47870 21078 Dijon Cedex France
| | - Julien Boudon
- Laboratoire Interdisciplinaire Carnot de Bourgogne; UMR 6303 CNRS; Université Bourgogne Franche-Comté; BP 47870 21078 Dijon Cedex France
| | - Céline Mirjolet
- Centre Georges-François Leclerc; BP 77980 21079 Dijon Cedex France
| | - Gilles Créhange
- Centre Georges-François Leclerc; BP 77980 21079 Dijon Cedex France
- Le2i, UMR 6306 CNRS; Université Bourgogne Franche-Comté; BP 47870 21078 Dijon Cedex France
| | - Nadine Millot
- Laboratoire Interdisciplinaire Carnot de Bourgogne; UMR 6303 CNRS; Université Bourgogne Franche-Comté; BP 47870 21078 Dijon Cedex France
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7
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Muralidharan N, Carter R, Oakes L, Cohn AP, Pint CL. Strain Engineering to Modify the Electrochemistry of Energy Storage Electrodes. Sci Rep 2016; 6:27542. [PMID: 27283872 PMCID: PMC4901311 DOI: 10.1038/srep27542] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Accepted: 05/19/2016] [Indexed: 11/09/2022] Open
Abstract
Strain engineering has been a critical aspect of device design in semiconductor manufacturing for the past decade, but remains relatively unexplored for other applications, such as energy storage. Using mechanical strain as an input parameter to modulate electrochemical potentials of metal oxides opens new opportunities intersecting fields of electrochemistry and mechanics. Here we demonstrate that less than 0.1% strain on a Ni-Ti-O based metal-oxide formed on superelastic shape memory NiTi alloys leads to anodic and cathodic peak potential shifts by up to ~30 mV in an electrochemical cell. Moreover, using the superelastic properties of NiTi to enable strain recovery also recovers the electrochemical potential of the metal oxide, providing mechanistic evidence of strain-modified electrochemistry. These results indicate that mechanical energy can be coupled with electrochemical systems to efficiently design and optimize a new class of strain-modulated energy storage materials.
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Affiliation(s)
- Nitin Muralidharan
- Interdisciplinary Materials Science Program, Vanderbilt University, Nashville, TN 37235 USA.,Department of Mechanical Engineering, Vanderbilt University, Nashville, TN 37235 USA
| | - Rachel Carter
- Department of Mechanical Engineering, Vanderbilt University, Nashville, TN 37235 USA
| | - Landon Oakes
- Interdisciplinary Materials Science Program, Vanderbilt University, Nashville, TN 37235 USA.,Department of Mechanical Engineering, Vanderbilt University, Nashville, TN 37235 USA
| | - Adam P Cohn
- Department of Mechanical Engineering, Vanderbilt University, Nashville, TN 37235 USA
| | - Cary L Pint
- Interdisciplinary Materials Science Program, Vanderbilt University, Nashville, TN 37235 USA.,Department of Mechanical Engineering, Vanderbilt University, Nashville, TN 37235 USA
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Eswar NK, Ramamurthy PC, Madras G. Enhanced sunlight photocatalytic activity of Ag3PO4 decorated novel combustion synthesis derived TiO2 nanobelts for dye and bacterial degradation. Photochem Photobiol Sci 2016; 14:1227-37. [PMID: 26056065 DOI: 10.1039/c5pp00092k] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study demonstrates the synthesis of TiO2 nanobelts using solution combustion derived TiO2 with enhanced photocatalytic activity for dye degradation and bacterial inactivation. Hydrothermal treatment of combustion synthesized TiO2 resulted in unique partially etched TiO2 nanobelts and Ag3PO4 was decorated using the co-precipitation method. The catalyst particles were characterized using X-ray diffraction analysis, BET surface area analysis, diffuse reflectance and electron microscopy. The photocatalytic properties of the composites of Ag3PO4 with pristine combustion synthesized TiO2 and commercial TiO2 under sunlight were compared. Therefore the studies conducted proved that the novel Ag3PO4/unique combustion synthesis derived TiO2 nanobelt composites exhibited extended light absorption, better charge transfer mechanism and higher generation of hydroxyl and hole radicals. These properties resulted in enhanced photodegradation of dyes and bacteria when compared to the commercial TiO2 nanocomposite. These findings have important implications in designing new photocatalysts for water purification.
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Eswar NK, Ramamurthy PC, Madras G. High photoconductive combustion synthesized TiO2derived nanobelts for photocatalytic water purification under solar irradiation. NEW J CHEM 2015. [DOI: 10.1039/c5nj01001b] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel system of partially etched TiO2nanobelts was developed that exhibits superior photocatalytic activity to purify waste water.
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Affiliation(s)
| | | | - Giridhar Madras
- Department of Chemical Engineering
- Indian Institute of Science
- Bangalore-560012
- India
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