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Lersanansit N, Pungjunun K, Chailapakul O, Praphairaksit N. Development of pectin-based gel electrolyte for wireless electrochemical determination of cadmium and lead using smartphone. Talanta 2024; 276:126211. [PMID: 38714009 DOI: 10.1016/j.talanta.2024.126211] [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: 11/02/2023] [Revised: 05/02/2024] [Accepted: 05/04/2024] [Indexed: 05/09/2024]
Abstract
A portable device offering effortlessness, mobility, and affordability for real-time and on-site monitoring of heavy metals is currently in great demand to maintain environmental sustainability. Herein, a platform utilizing a biopolymeric gel-based electrolyte for the on-field simultaneous determination of Cd(II) and Pb(II) is described. Pectin, a natural polymer, was exploited as a chemical delivery medium on account of its biodegradability, environmental friendliness, and rapid dissolving characteristics. The gel electrolyte was prepared by having pectin dissolved in KCl mixed with Sb(III)-Bi(III) bimetallic alloy solution, and casted onto a paper substrate. An in situ bimetallic alloy and pre-mixed bismuth nanoparticles modified screen-printed graphene electrode (Sb-Bi/BiNP/SPGE) were employed to enhance the electrochemical signals of Cd(II) and Pb(II) for the differential pulse anodic stripping voltammetry (DPASV). It was demonstrated that the platform was capable of generating sharp and well-defined current signals, achieving the low detection limits of 50.98 ng mL-1 for Cd(II) and 40.80 ng mL-1 for Pb(II). The reproducibility, as indicated by the relative standard deviation, was found to be less than 10.4 % (n = 10) for the developed gel-based device when coupled with a wireless near field communication (NFC) potentiostat. Lastly, the obtained sensor was applied for quantification of Cd and Pb in potentially contaminated groundwater samples. The recoveries obtained were satisfactorily within the acceptable range. The newly designed platform exhibited several advantages, including small sample volume (μL), low-cost, no sample preparation requirements, and being environmentally friendly. The convenience of a portable device utilizing the proposed biopolymeric gel-based electrolyte for on-field analysis makes it highly appealing for various applications.
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Affiliation(s)
- Nantanat Lersanansit
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok, 10330, Thailand
| | - Kingkan Pungjunun
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok, 10330, Thailand
| | - Orawon Chailapakul
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok, 10330, Thailand; Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Thailand
| | - Narong Praphairaksit
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok, 10330, Thailand.
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2
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Zhang SY, Zhou XY, Chen HY, Deng LY, Li DW, Lv J, Qian RC. Real time imaging of cell-permeable nanoreactor with SERS for insight into cellular processes. Talanta 2024; 274:126010. [PMID: 38569372 DOI: 10.1016/j.talanta.2024.126010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 03/24/2024] [Accepted: 03/27/2024] [Indexed: 04/05/2024]
Abstract
Intracellular glucose detection is crucial due to its pivotal role in metabolism and various physiological processes. Precise glucose monitoring holds significance in diabetes management, metabolic studies, and biotechnological applications. In this study, we developed an innovative and expedient cell-permeable nanoreactor for intracellular glucose based on surface-enhanced Raman scattering (SERS). The nanoreactor was designed with gold nanoparticles (AuNPs), which were engineered with glucose oxide (GOx) and a H2O2-responsive Raman reporter 2-mercaptohydroquinone (2-MHQ). The interaction between 2-MHQ and H2O2 generated by glucose and GOx could simultaneously induce the appearance in the peak at 985 cm-1. Our results showed excellent performance in detecting glucose within the concentration range from 0.1 μM to 10 mM, with a low detection limitation of 14.72 nM. In addition, the glucose distribution in single HeLa cells was evaluated by real time SERS mapping. By combining noble metal particles and natural oxidases, the nanoreactor possesses both Raman activity and enzymatic functionality, thus enables sensitive glucose detection and facilitates imaging at a single cell level, which offers an insightful monitoring of cellular processes.
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Affiliation(s)
- Shi-Yi Zhang
- Key Laboratory for Advanced Materials, Feringa Nobel Prize Scientist Joint Research Center, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Xin-Yue Zhou
- Key Laboratory for Advanced Materials, Feringa Nobel Prize Scientist Joint Research Center, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Hua-Ying Chen
- Key Laboratory for Advanced Materials, Feringa Nobel Prize Scientist Joint Research Center, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Li-Yuan Deng
- Key Laboratory for Advanced Materials, Feringa Nobel Prize Scientist Joint Research Center, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Da-Wei Li
- Key Laboratory for Advanced Materials, Feringa Nobel Prize Scientist Joint Research Center, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China.
| | - Jian Lv
- Key Laboratory for Advanced Materials, Feringa Nobel Prize Scientist Joint Research Center, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China.
| | - Ruo-Can Qian
- Key Laboratory for Advanced Materials, Feringa Nobel Prize Scientist Joint Research Center, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China.
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3
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Marzouq A, Morgenstein L, Huang-Zhu CA, Yudovich S, Atkins A, Grupi A, Van Lehn RC, Weiss S. Long-Chain Lipids Facilitate Insertion of Large Nanoparticles into Membranes of Small Unilamellar Vesicles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:10477-10485. [PMID: 38710504 PMCID: PMC11272290 DOI: 10.1021/acs.langmuir.3c03471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Insertion of hydrophobic nanoparticles into phospholipid bilayers is limited to small particles that can incorporate into a hydrophobic membrane core between two lipid leaflets. Incorporation of nanoparticles above this size limit requires the development of challenging surface engineering methodologies. In principle, increasing the long-chain lipid component in the lipid mixture should facilitate incorporation of larger nanoparticles. Here, we explore the effect of incorporating very long phospholipids (C24:1) into small unilamellar vesicles on the membrane insertion efficiency of hydrophobic nanoparticles that are 5-11 nm in diameter. To this end, we improve an existing vesicle preparation protocol and utilized cryogenic electron microscopy imaging to examine the mode of interaction and evaluate the insertion efficiency of membrane-inserted nanoparticles. We also perform classical coarse-grained molecular dynamics simulations to identify changes in lipid membrane structural properties that may increase insertion efficiency. Our results indicate that long-chain lipids increase the insertion efficiency by preferentially accumulating near membrane-inserted nanoparticles to reduce the thermodynamically unfavorable disruption of the membrane.
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Affiliation(s)
- Adan Marzouq
- Department of Chemistry, Bar-Ilan University, Ramat-Gan, 52900, Israel
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 52900, Israel
| | - Lion Morgenstein
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 52900, Israel
- Department of Physics, Bar-Ilan University, Ramat-Gan, 52900, Israel
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, 1311502, Israel
| | - Carlos A. Huang-Zhu
- Department of Chemical and Biological Engineering, University of Wisconsin – Madison, Madison, WI 53706, USA
| | - Shimon Yudovich
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 52900, Israel
- Department of Physics, Bar-Ilan University, Ramat-Gan, 52900, Israel
- Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA
| | - Ayelet Atkins
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 52900, Israel
| | - Asaf Grupi
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 52900, Israel
- Department of Physics, Bar-Ilan University, Ramat-Gan, 52900, Israel
| | - Reid C. Van Lehn
- Department of Chemical and Biological Engineering, University of Wisconsin – Madison, Madison, WI 53706, USA
- Department of Chemistry, University of Wisconsin – Madison, Madison, WI 53706, USA
| | - Shimon Weiss
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 52900, Israel
- Department of Physics, Bar-Ilan University, Ramat-Gan, 52900, Israel
- Department of Chemistry and Biochemistry, University of California Los Angeles, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California Los Angeles, Los Angeles, CA 90095, USA
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4
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Tiantian W, Yonghui W, Junbo L. Antibody-labeled gold nanoparticle based resonance Rayleigh scattering detection of S100B. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:3074-3080. [PMID: 38683678 DOI: 10.1039/d4ay00335g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
Traumatic brain injury (TBI) is a sudden brain injury due to an external force that causes a large number of deaths and permanent disabilities every year. S100B has been recognized as a potential objective quantitative biomarker for screening the prognosis of TBI and severe head injury. In this article, an anti-S100B monoclonal antibody was immobilized on cysteamine (Cy) functionalized gold nanoparticles (AuNPs) by EDC-NHS chemistry, which enabled S100B resonance Rayleigh scattering (RRS) detection based on antibody-labeled gold nanoparticles. The prepared conjugates were characterized by ultraviolet-visible spectroscopy (UV-vis), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), dynamic light scattering (DLS) and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). Based on the specific binding of the antibody and antigen, the RRS intensities at 381 nm and 541 nm wavelengths were significantly enhanced, and thus a dual wavelength overlapping resonance Rayleigh scattering (DWO-RRS) method was established. The scattering intensity of the two overlapping peaks was proportional to the concentration of S100B in the range of 0.05-4.5 ng mL-1 with a detection limit of 0.002 ng mL-1. The proposed DWO-RRS method is time-saving, simple, sensitive, and can be used to determine the concentration of S100B in human serum with satisfactory results, which has a promising application in the early diagnosis of TBI.
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Affiliation(s)
- Wang Tiantian
- School of Basic Medicine, Shanxi University of Traditional Chinese Medicine, Jinzhong, Shanxi, 030619, China.
| | - Wang Yonghui
- School of Basic Medicine, Shanxi University of Traditional Chinese Medicine, Jinzhong, Shanxi, 030619, China.
| | - Li Junbo
- School of Pharmacy, Changzhi Medical College, Changzhi, 046000, China.
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5
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Nishan U, Ahmed A, Muhammad N, Shah M, Asad M, Khan N, Ullah F, Ullah R, Ali EA, Nawaz H, Badshah A. Uric acid quantification via colorimetric detection utilizing silver oxide-modified activated carbon nanoparticles functionalized with ionic liquid. RSC Adv 2024; 14:7022-7030. [PMID: 38414991 PMCID: PMC10898421 DOI: 10.1039/d4ra00659c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 02/16/2024] [Indexed: 02/29/2024] Open
Abstract
Uric acid (UA) is a significant indicator of human health because it is linked to several diseases, including renal failure, kidney stones, arthritis, and gout. Uric acid buildup in the joints is the source of chronic and painful diseases. When UA is present in large quantities, it causes tissue injury in the joints that are afflicted. In this research, silver oxide-doped activated carbon nanoparticles were synthesized and then functionalized with an ionic liquid. The synthesized nanomaterial assembly was employed as a colorimetric sensing platform for uric acid. Activated carbon offers a large internal surface area that acts as a good carrier for catalytic reactions. A salt-melting approach was used to synthesize the silver oxide-doped activated carbon nanocomposite. The synthesis was confirmed through various techniques, such as UV-vis spectrophotometer, FTIR, XRD, SEM, and EDX. The colorimetric change from blue-green to colorless was observed with the naked eye and confirmed by UV-vis spectroscopy. To obtain the best colorimetric change, several parameters, such as pH, capped NP loading, TMB concentration, hydrogen peroxide concentration, and time, were optimized. The optimized experimental conditions for the proposed sensor were pH 4 with 35 μL of NPs, a 40 mM TMB concentration, and a 4 minutes incubation time. The sensor linear range is 0.001-0.36 μM, with an R2 value of 0.999. The suggested sensor limits of detection and quantification are 0.207 and 0.69 nM, respectively. Potential interferers, such as ethanol, methanol, urea, Ca2+, K+, and dopamine, did not affect the detection of uric acid.
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Affiliation(s)
- Umar Nishan
- Department of Chemistry, Kohat University of Science and Technology Kohat 26000 KP Pakistan
| | - Ateeq Ahmed
- Department of Chemistry, Kohat University of Science and Technology Kohat 26000 KP Pakistan
| | - Nawshad Muhammad
- Department of Dental Materials, Institute of Basic Medical Sciences Khyber Medical University Peshawar KPK Pakistan
| | - Mohibullah Shah
- Department of Biochemistry, Bahauddin Zakariya University Multan 66000 Pakistan
| | - Muhammad Asad
- Department of Chemistry, Kohat University of Science and Technology Kohat 26000 KP Pakistan
| | - Naeem Khan
- Department of Chemistry, Kohat University of Science and Technology Kohat 26000 KP Pakistan
| | - Farman Ullah
- Department of Pharmacy, Kohat University of Science and Technology Kohat 26000 KP Pakistan
| | - Riaz Ullah
- Department of Pharmacognosy, College of Pharmacy, King Saud University Riyadh Saudi Arabia
| | - Essam A Ali
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University Riyadh Saudi Arabia
| | - Haq Nawaz
- School of Chemistry and Chemical Engineering, Huaiyin Normal University 223300 Huaiyin Jiangsu China
| | - Amir Badshah
- Department of Chemistry, Kohat University of Science and Technology Kohat 26000 KP Pakistan
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6
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He F, Li T, Wang H, Du P, Wang W, Tan T, Liu Y, Wang S, Ma Y, Wang Y, Hu P, Abd El-Aty AM. Glucometer-based biosensor for the determination of ractopamine in animal-derived foods using rolling circle amplification. Mikrochim Acta 2023; 190:121. [PMID: 36890258 DOI: 10.1007/s00604-023-05715-0] [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: 12/12/2022] [Accepted: 02/21/2023] [Indexed: 03/10/2023]
Abstract
Screening for persistent organic pollutants (POPs) in food is a complex and challenging process, as POPs can be present in very low levels and can be difficult to detect. Herein, we developed an ultrasensitive biosensor based on a rolling circle amplification (RCA) platform using a glucometer to determine POP. The biosensor was constructed using gold nanoparticle probes modified with antibodies and dozens of primers, magnetic microparticle probes conjugated with haptens, and targets. After competition, RCA reactions are triggered, numerous RCA products hybridize with the ssDNA-invertase, and the target is successfully transformed into glucose. Using ractopamine as a model analyte, this strategy obtained a linear detection range of 0.038-5.00 ng mL-1 and a detection limit of 0.0158 ng mL-1, which was preliminarily verified by screening in real samples. Compared with conventional immunoassays, this biosensor utilizes the high efficiency of RCA and the portable properties of a glucometer, which effectively improves the sensitivity and simplifies the procedures using magnetic separation technology. Moreover, it has been successfully applied to ractopamine determination in animal-derived foods, revealing its potential as a promising tool for POP screening.
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Affiliation(s)
- Feng He
- Institute of Food & Nutrition Science and Technology, Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Shandong Academy of Agricultural Sciences, Jinan, 250100, China
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan, 056038, China
| | - Tengfei Li
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan, 056038, China
| | - Haijie Wang
- Institute of Food & Nutrition Science and Technology, Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Shandong Academy of Agricultural Sciences, Jinan, 250100, China
- College of Life Sciences, Yantai University, Yantai, 264005, China
| | - Pengfei Du
- Institute of Food & Nutrition Science and Technology, Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Shandong Academy of Agricultural Sciences, Jinan, 250100, China.
| | - Weiting Wang
- Institute of Food & Nutrition Science and Technology, Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Shandong Academy of Agricultural Sciences, Jinan, 250100, China.
| | - Tianyu Tan
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan, 056038, China
| | - Yaobo Liu
- Institute of Food & Nutrition Science and Technology, Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Shandong Academy of Agricultural Sciences, Jinan, 250100, China
| | - Shoujing Wang
- Institute of Food & Nutrition Science and Technology, Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Shandong Academy of Agricultural Sciences, Jinan, 250100, China
| | - Yanli Ma
- Institute of Food & Nutrition Science and Technology, Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Shandong Academy of Agricultural Sciences, Jinan, 250100, China
| | - Yuanshang Wang
- Institute of Food & Nutrition Science and Technology, Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Shandong Academy of Agricultural Sciences, Jinan, 250100, China
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Peng Hu
- Institute of Food & Nutrition Science and Technology, Shandong Provincial Key Laboratory of Agro-Products Processing Technology, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture, Shandong Academy of Agricultural Sciences, Jinan, 250100, China
| | - A M Abd El-Aty
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan, 250353, China
- Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
- Department of Medical Pharmacology, Medical Faculty, Ataturk University, 25240, Erzurum, Turkey
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7
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How Nanoparticles Modify Adsorbed Proteins: Impact of Silica Nanoparticles on the Hemoglobin Active Site. Int J Mol Sci 2023; 24:ijms24043659. [PMID: 36835069 PMCID: PMC9967434 DOI: 10.3390/ijms24043659] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/07/2023] [Accepted: 02/09/2023] [Indexed: 02/17/2023] Open
Abstract
The adsorption of proteins on surfaces has been studied for a long time, but the relationship between the structural and functional properties of the adsorbed protein and the adsorption mechanism remains unclear. Using hemoglobin adsorbed on silica nanoparticles, we have previously shown that hemoglobin's affinity towards oxygen increases with adsorption. Nevertheless, it was also shown that there were no significant changes in the quaternary and secondary structures. In order to understand the change in activity, we decided in this work to focus on the active sites of hemoglobin, the heme and its iron. After measuring adsorption isotherms of porcine hemoglobin on Ludox silica nanoparticles, we analyzed the structural modifications of adsorbed hemoglobin by X-ray absorption spectroscopy and circular dichroism spectra in the Soret region. It was found that upon adsorption, there were modifications in the heme pocket environment due to changes in the angles of the heme vinyl functions. These alterations can explain the greater affinity observed.
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8
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Dual-Enzyme Cascade Composed of Chitosan Coated FeS 2 Nanozyme and Glucose Oxidase for Sensitive Glucose Detection. Molecules 2023; 28:molecules28031357. [PMID: 36771024 PMCID: PMC9919173 DOI: 10.3390/molecules28031357] [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: 12/27/2022] [Revised: 01/18/2023] [Accepted: 01/26/2023] [Indexed: 02/04/2023] Open
Abstract
Immobilizing enzymes with nanozymes to catalyze cascade reactions overcomes many of the shortcomings of biological enzymes in industrial manufacturing. In the study, glucose oxidases were covalently bound to FeS2 nanozymes as immobilization carriers while chitosan encapsulation increased the activity and stability of the immobilized enzymes. The immobilized enzymes exhibited a 10% greater increase in catalytic efficiency than the free enzymes while also being more stable and catalytically active in environments with an alkaline pH of 9.0 and a high temperature of 100 °C. Additionally, the FeS2 nanozyme-driven double-enzyme cascade reaction showed high glucose selectivity, even in the presence of lactose, dopamine, and uric acid, with a limit of detection (LOD) (S/N = 3) as low as 1.9 × 10-6 M. This research demonstrates that nanozymes may be employed as ideal carriers for biological enzymes and that the nanozymes can catalyze cascade reactions together with natural enzymes, offering new insights into interactions between natural and synthetic biosystems.
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9
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An ultrasensitive electrochemical immunosensor based on in-situ growth of CuWO4 nanoparticles on MoS2 and chitosan-gold nanoparticles for cortisol detection. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107434] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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10
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Veselov M, Uporov IV, Efremova MV, Le-Deygen IM, Prusov AN, Shchetinin IV, Savchenko AG, Golovin YI, Kabanov AV, Klyachko NL. Modulation of α-Chymotrypsin Conjugated to Magnetic Nanoparticles by the Non-Heating Low-Frequency Magnetic Field: Molecular Dynamics, Reaction Kinetics, and Spectroscopy Analysis. ACS OMEGA 2022; 7:20644-20655. [PMID: 35755395 PMCID: PMC9219078 DOI: 10.1021/acsomega.2c00704] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
Enzymes conjugated to magnetic nanoparticles (MNPs) undergo changes in the catalytic activity of the non-heating low-frequency magnetic field (LFMF). We apply in silico simulations by molecular dynamics (MD) and in vitro spectroscopic analysis of the enzyme kinetics and secondary structure to study α-chymotrypsin (CT) conjugated to gold-coated iron oxide MNPs. The latter are functionalized by either carboxylic or amino group moieties to vary the points of enzyme attachment. The MD simulation suggests that application of the stretching force to the CT globule by its amino or carboxylic groups causes shrinkage of the substrate-binding site but little if any changes in the catalytic triad. Consistent with this, in CT conjugated to MNPs by either amino or carboxylic groups, LFMF alters the Michaelis-Menten constant but not the apparent catalytic constant k cat (= V max/[E]o). Irrespective of the point of conjugation to MNPs, the CT secondary structure was affected with nearly complete loss of α-helices and increase in the random structures in LFMF, as shown by attenuated total reflection Fourier transformed infrared spectroscopy. Both the catalytic activity and the protein structure of MNP-CT conjugates restored 3 h after the field exposure. We believe that such remotely actuated systems can find applications in advanced manufacturing, nanomedicine, and other areas.
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Affiliation(s)
- Maxim
M. Veselov
- School
of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Igor V. Uporov
- School
of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Maria V. Efremova
- School
of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia
- National
University of Science and Technology “MISIS”, Moscow 119049, Russia
- Department
of Applied Physics, Eindhoven University
of Technology, Eindhoven 5600 MB, The Netherlands
| | - Irina M. Le-Deygen
- School
of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia
| | | | - Igor V. Shchetinin
- National
University of Science and Technology “MISIS”, Moscow 119049, Russia
| | | | - Yuri I. Golovin
- School
of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia
- G.R.
Derzhavin Tambov State University, Tambov 392000, Russia
| | - Alexander V. Kabanov
- School
of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia
- Center
for
Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7362, United States
| | - Natalia L. Klyachko
- School
of Chemistry, Lomonosov Moscow State University, Moscow 119991, Russia
- Center
for
Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7362, United States
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11
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Drozd M, Duszczyk A, Ivanova P, Pietrzak M. Interactions of proteins with metal-based nanoparticles from a point of view of analytical chemistry - Challenges and opportunities. Adv Colloid Interface Sci 2022; 304:102656. [PMID: 35367856 DOI: 10.1016/j.cis.2022.102656] [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: 12/29/2021] [Revised: 03/18/2022] [Accepted: 03/23/2022] [Indexed: 11/01/2022]
Abstract
Interactions of proteins with nanomaterials draw attention of many research groups interested in fundamental phenomena. However, alongside with valuable information regarding physicochemical aspects of such processes and their mechanisms, they more and more often prove to be useful from a point of view of bioanalytics. Deliberate use of processes based on adsorption of proteins on nanoparticles (or vice versa) allows for a development of new analytical methods and improvement of the existing ones. It also leads to obtaining of nanoparticles of desired properties and functionalities, which can be used as elements of analytical tools for various applications. Due to interactions with nanoparticles, proteins can also gain new functionalities or lose their interfering potential, which from perspective of bioanalytics seems to be very inviting and attractive. In the framework of this article we will discuss the bioanalytical potential of interactions of proteins with a chosen group of nanoparticles, and implementation of so driven processes for biosensing. Moreover, we will show both positive and negative (opportunities and challenges) aspects resulting from the presence of proteins in media/samples containing metal-based nanoparticles or their precursors.
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12
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Sen S, Sarkar P. An interference-free new xanthine biosensor based on immobilized enzyme-nanogold conjugate on carbon nanotube doped poly(3,4-Ethylenedioxythiophene) composite film. Int J Biol Macromol 2022; 199:275-286. [PMID: 34998885 DOI: 10.1016/j.ijbiomac.2021.12.094] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 11/30/2021] [Accepted: 12/16/2021] [Indexed: 12/13/2022]
Abstract
A new design of biosensor based on polymeric nano(bio)composite has been proposed for the selective detection of xanthine to be used in the clinical analysis as well as food quality control. The xanthine oxidoreductase (XOR) gene ofPseudomonas aerogenosastrain CEBP1 wascloned to obtainpurifiedenzyme through affinity chromatography. fMWCNTdoped PEDOTwas electrodeposited on the working electrodeto enhance the sensitivity and selectivity of the biosensor. Bio-synthesized gold nanoparticles conjugated XOR (Au-XOR) was covalently immobilized on the polymeric nanocomposite. The enzymatic activity was enhanced 1.12 times with increased substrate affinity. The surface morphology and structural properties of the polymeric layer were investigated using SEM, FESEM, TEM. Electrochemical characteristics were performed by cyclic voltammetry, differential pulse voltammetry (DPV), and electrochemical impedance spectroscopy. Xanthine was oxidized (pH 7.0) on the uniquely designed polymeric nano(bio)composite modified electrode at a lower anodic potential of + 0.446 V vs. Ag/AgCl (3 M NaCl)at optimized DPV conditions. The simple, newly designed Au-XOR/fMWCNT-PEDOT/GCE exhibited interference-free reproducibility and stability (∼4 months) with excellent sensitivity of 16.075 µA.µM-1.cm-2for the quantification of xanthine in biological samples such as blood, tissue, urine. The applicability of thebiosensor was validatedby comparing the sensing results for the real biological fluidic solutions with HPLC data (RE = 0.5-3.1%).
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Affiliation(s)
- Sarani Sen
- Department of Polymer Science and Technology, University of Calcutta, 92 APC Road, Kolkata 700009, India; Calcutta Institute of Pharmaceutical Technology and Allied Health Sciences, Banitabla, Uluberia, Howrah 711316, India.
| | - Priyabrata Sarkar
- Department of Polymer Science and Technology, University of Calcutta, 92 APC Road, Kolkata 700009, India; Calcutta Institute of Technology, Banitabla, Uluberia, Howrah 711316, India.
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13
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Razzaghi M, Homaei A, Vianello F, Azad T, Sharma T, Nadda AK, Stevanato R, Bilal M, Iqbal HMN. Industrial applications of immobilized nano-biocatalysts. Bioprocess Biosyst Eng 2022; 45:237-256. [PMID: 34596787 DOI: 10.1007/s00449-021-02647-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 09/24/2021] [Indexed: 02/05/2023]
Abstract
Immobilized enzyme-based catalytic constructs could greatly improve various industrial processes due to their extraordinary catalytic activity and reaction specificity. In recent decades, nano-enzymes, defined as enzyme immobilized on nanomaterials, gained popularity for the enzymes' improved stability, reusability, and ease of separation from the biocatalytic process. Thus, enzymes can be strategically incorporated into nanostructured materials to engineer nano-enzymes, such as nanoporous particles, nanofibers, nanoflowers, nanogels, nanomembranes, metal-organic frameworks, multi-walled or single-walled carbon nanotubes, and nanoparticles with tuned shape and size. Surface-area-to-volume ratio, pore-volume, chemical compositions, electrical charge or conductivity of nanomaterials, protein charge, hydrophobicity, and amino acid composition on protein surface play fundamental roles in the nano-enzyme preparation and catalytic properties. With proper understanding, the optimization of the above-mentioned factors will lead to favorable micro-environments for biocatalysts of industrial relevance. Thus, the application of nano-enzymes promise to further strengthen the advances in catalysis, biotransformation, biosensing, and biomarker discovery. Herein, this review article spotlights recent progress in nano-enzyme development and their possible implementation in different areas, including biomedicine, biosensors, bioremediation of industrial pollutants, biofuel production, textile, leather, detergent, food industries and antifouling.
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Affiliation(s)
- Mozhgan Razzaghi
- Department of Marine Biology, Faculty of Marine Science and Technology, University of Hormozgan, P.O. Box 3995, Bandar Abbas, Iran
| | - Ahmad Homaei
- Department of Marine Biology, Faculty of Marine Science and Technology, University of Hormozgan, P.O. Box 3995, Bandar Abbas, Iran.
| | - Fabio Vianello
- Department of Comparative Biomedicine and Food Science, University of Padova, Legnaro, PD, Italy
| | - Taha Azad
- Ottawa Hospital Research Institute, Ottawa, ON, K1H 8L6, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, K1H 8M5, Canada
| | - Tanvi Sharma
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Solan, Waknaghat, India
| | - Ashok Kumar Nadda
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Solan, Waknaghat, India
| | - Roberto Stevanato
- Department of Molecular Sciences and Nanosystems, University Ca' Foscari of Venice, Venice, Italy
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China
| | - Hafiz M N Iqbal
- School of Engineering and Sciences, Tecnologico de Monterrey, 64849, Monterrey, Mexico
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14
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Ramsey AV, Bischoff AJ, Francis MB. Enzyme Activated Gold Nanoparticles for Versatile Site-Selective Bioconjugation. J Am Chem Soc 2021; 143:7342-7350. [PMID: 33939917 DOI: 10.1021/jacs.0c11678] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A new enzymatic method is reported for constructing protein- and DNA-AuNP conjugates. The strategy relies on the initial functionalization of AuNPs with phenols, followed by activation with the enzyme tyrosinase. Using an oxidative coupling reaction, the activated phenols are coupled to proteins bearing proline, thiol, or aniline functional groups. Activated phenol-AuNPs are also conjugated to a small molecule biotin and commercially available thiol-DNA. Advantages of this approach for AuNP bioconjugation include: (1) initial formation of highly stable AuNPs that can be selectively activated with an enzyme, (2) the ability to conjugate either proteins or DNA through a diverse set of functional handles, (3) site-specific immobilization, and (4) facile conjugation that is complete within 2 h at room temperature under aqueous conditions. The enzymatic oxidative coupling on AuNPs is applied to the construction of tobacco mosaic virus (TMV)-AuNP conjugates, and energy transfer between the AuNPs and fluorophores on TMV is demonstrated.
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Affiliation(s)
- Alexandra V Ramsey
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Amanda J Bischoff
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720, United States
| | - Matthew B Francis
- Department of Chemistry, University of California, Berkeley, California 94720, United States.,Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratories, Berkeley, California 94720, United States
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15
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Baruah P, Yesylevskyy SO, Aguan K, Mitra S. Modulation of enzyme activity at nano-bio interface: A case study with acetylcholinesterase and citrate synthase adsorbed on colloidal metal nanoparticles. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.115201] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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16
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Long J, Li X, Liu X, Jin Z, Xie Z, Xu X, Lu C. Preparation of Streptavidin-Coated Magnetic Nanoparticles for Specific Immobilization of Enzymes with High Activity and Enhanced Stability. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.0c03281] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Jie Long
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
| | - Xingfei Li
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
| | - Xiaoxiao Liu
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Zhengyu Jin
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
| | - Zhengjun Xie
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Xueming Xu
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
| | - Cheng Lu
- The State Key Laboratory of Food Science and Technology, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
- School of Bioengineering, Jiangnan University, 1800 Lihu Road, Wuxi 214122, China
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17
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Paul G, Verma S, Jalil O, Thakur D, Pandey CM, Kumar D. PEDOT
:
PSS
‐grafted graphene oxide‐titanium dioxide nanohybrid‐based conducting paper for glucose detection. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5213] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Geetu Paul
- Department of Applied Chemistry Delhi Technological University Delhi India
| | - Sakshi Verma
- Department of Applied Chemistry Delhi Technological University Delhi India
| | - Owais Jalil
- Department of Applied Chemistry Delhi Technological University Delhi India
| | - Deeksha Thakur
- Department of Applied Chemistry Delhi Technological University Delhi India
| | | | - Devendra Kumar
- Department of Applied Chemistry Delhi Technological University Delhi India
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18
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Shiue A, Chen JH, Chang CY, Chang SM, Hwa KY, Chin KY, Leggett G. Synthesis and cytotoxic analysis of thiolated xylose derivatives decorated on gold nanoparticles. ACTA ACUST UNITED AC 2020; 28:e00549. [PMID: 33240795 PMCID: PMC7674290 DOI: 10.1016/j.btre.2020.e00549] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/20/2020] [Accepted: 10/29/2020] [Indexed: 11/29/2022]
Abstract
Nanoparticles covered with carbohydrates constitute a good bio-mimetic model. D-xylose gold nanoparticles with linkages of alkyl or polyethylene glycol synthesized via D-xylosethiols. Forming self-assembled monolayers on gold nanoparticles. The potential use of intact or thiolated xylose derivatives decorated on AuNPs.
The rapid development of metal nanoparticles capped by an organic monolayer offers the possibility to create a whole new variety of products with novel characteristic, functions and applications. Among these, nanoparticles covered with carbohydrates (glyconanoparticles) constitute a good bio-mimetic model of carbohydrate presentation at the cell surface and are currently centered on many glycobiological and biomedical applications. In this study, a series of novel D-xylose gold nanoparticles (AuNPs) with linkages of alkyl or polyethylene glycol have been synthesized via D-xylosethiols, forming self-assembled monolayers on gold nanoparticles. The nano-gold solution, two carbohydrate derivatives and modified nano-gold solution were tested for cytotoxicity to check the biocompatibility. The MTT assay on NIH 3T3 cell lines confirmed that all the test materials showed no toxicity with the more than 90 % of cell viability in both low concentration (1 μM) and high concentration (100 μM), compared with the control.
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Affiliation(s)
- Angus Shiue
- Graduate Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei, Taiwan
| | - Jenn-Han Chen
- Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chia-Ying Chang
- Graduate Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei, Taiwan
| | - Shu-Mei Chang
- Graduate Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei, Taiwan.,Department of Molecular Science and Engineering, National Taipei University of Technology, Taipei, Taiwan.,Research and Development Center for Smart Textile Technology, National Taipei University of Technology, Taipei, Taiwan
| | - Kuo-Yuan Hwa
- Graduate Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei, Taiwan.,Department of Molecular Science and Engineering, National Taipei University of Technology, Taipei, Taiwan.,Center for Biomedical Industry, National Taipei University of Technology, Taipei, Taiwan
| | - Kai-Yen Chin
- Graduate Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei, Taiwan
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19
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Wang H, Li S, Li J, Zhong L, Cheng H, Ma Q. Immobilized polyphenol oxidase: Preparation, optimization and oxidation of phenolic compounds. Int J Biol Macromol 2020; 160:233-244. [DOI: 10.1016/j.ijbiomac.2020.05.079] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 05/12/2020] [Accepted: 05/12/2020] [Indexed: 02/08/2023]
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20
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Zhang Y, Li S, Liu H, Long W, Zhang XD. Enzyme-Like Properties of Gold Clusters for Biomedical Application. Front Chem 2020; 8:219. [PMID: 32309272 PMCID: PMC7145988 DOI: 10.3389/fchem.2020.00219] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 03/09/2020] [Indexed: 02/06/2023] Open
Abstract
In recent years, the rapid development of nanoscience and technology has provided a new opportunity for the development and preparation of new inorganic enzymes. Nanozyme is a new generation of artificial mimetic enzyme, which like natural enzymes, can efficiently catalyze the substrate of enzyme under mild conditions, exhibiting catalytic efficiency, and enzymatic reaction kinetics similar to natural enzymes. However, nanozymes exist better stability than native enzymes, it can still maintain 85 % catalytic activity in strong acid and alkali (pH 2~10) or large temperature range (4~90°C). This provides conditions for designing complex catalytic systems. In this review, we discussed the enzymatic attributes and biomedical applications of gold nanoclusters, including peroxidase-like, catalase-like, detection of heavy metal ions, and therapy of brain and cancer etc. This review can help us understand the current research status nanozymes.
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Affiliation(s)
- Yunguang Zhang
- School of Science, Xi'an University of Posts and Telecommunications, Xi'an, China
| | - Shuo Li
- School of Science, Xi'an University of Posts and Telecommunications, Xi'an, China
| | - Haile Liu
- Department of Physics and Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Sciences, Tianjin University, Tianjin, China
| | - Wei Long
- Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China
| | - Xiao-Dong Zhang
- Department of Physics and Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Sciences, Tianjin University, Tianjin, China
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21
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Chakraborty A, Biswas A. Structure, stability and chaperone function of Mycobacterium leprae Heat Shock Protein 18 are differentially affected upon interaction with gold and silver nanoparticles. Int J Biol Macromol 2020; 152:250-260. [PMID: 32084461 DOI: 10.1016/j.ijbiomac.2020.02.182] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/15/2020] [Accepted: 02/16/2020] [Indexed: 12/19/2022]
Abstract
Gold nanoparticles (AuNPs) and silver nanoparticles (AgNPs) have several biomedical applications. However, the effective usage of these two nanoparticles is impeded due to limited understanding of their interaction with proteins including small heat shock proteins (sHSPs). Specifically, no evidences of interaction of these two nanoparticles with HSP18 (an antigenic protein) which is an important factor for the growth and survival of M. leprae (the causative organism of leprosy) are available in the literature. Here, we report for the first time evidences of "HSP18-AuNPs/AgNPs interaction" and its impact on the structure and chaperone function of HSP18. Interaction of citrate-capped AuNPs/AgNPs (~20 nm diameter) to HSP18 alters the secondary and tertiary structure of HSP18 in a distinctly opposite manner; while "HSP18-AuNPs interaction" leads to oligomeric association, "HSP18-AgNPs interaction" results in oligomeric dissociation of the protein. Surface hydrophobicity, thermal stability, chaperone function of HSP18 and survival of thermally stressed E. coli harbouring HSP18 are enhanced upon AuNPs interaction, while all of them are reduced upon interaction with AgNPs. Altogether, our study reveals that HSP18 is an important drug target in leprosy and its chaperone function may possibly plays a vital role in the growth and survival of M. leprae pathogen in infected hosts.
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Affiliation(s)
- Ayon Chakraborty
- School of Basic Sciences, Indian Institute of Technology Bhubaneswar, Bhubaneswar, India
| | - Ashis Biswas
- School of Basic Sciences, Indian Institute of Technology Bhubaneswar, Bhubaneswar, India.
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22
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Grupi A, Ashur I, Degani-Katzav N, Yudovich S, Shapira Z, Marzouq A, Morgenstein L, Mandel Y, Weiss S. Interfacing the Cell with "Biomimetic Membrane Proteins". SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1903006. [PMID: 31765076 DOI: 10.1002/smll.201903006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 09/30/2019] [Indexed: 06/10/2023]
Abstract
Integral membrane proteins mediate a myriad of cellular processes and are the target of many therapeutic drugs. Enhancement and extension of the functional scope of membrane proteins can be realized by membrane incorporation of engineered nanoparticles designed for specific diagnostic and therapeutic applications. In contrast to hydrophobic insertion of small amphiphilic molecules, delivery and membrane incorporation of particles on the nanometric scale poses a crucial barrier for technological development. In this perspective, the transformative potential of biomimetic membrane proteins (BMPs), current state of the art, and the barriers that need to be overcome in order to advance the field are discussed.
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Affiliation(s)
- Asaf Grupi
- Department of Physics, Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Idan Ashur
- Agricultural Research Organization, The Volcani Center, Institute of Agricultural Engineering, Rishon LeZion, 7505101, Israel
| | - Nurit Degani-Katzav
- Department of Physics, Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Shimon Yudovich
- Department of Physics, Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Zehavit Shapira
- Department of Physics, Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Adan Marzouq
- Department of Physics, Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Lion Morgenstein
- Department of Physics, Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Yossi Mandel
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
- School of Optometry and Vision Science, Faculty of Life Sciences, Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Shimon Weiss
- Department of Physics, Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
- Institute for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan, 5290002, Israel
- Department of Chemistry and Biochemistry, University of California Los Angeles, Los Angeles, CA, 90095, USA
- California NanoSystems Institute, University of California Los Angeles, Los Angeles, CA, 90095, USA
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23
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Thangaraj B, Solomon PR. Immobilization of Lipases – A Review. Part II: Carrier Materials. CHEMBIOENG REVIEWS 2019. [DOI: 10.1002/cben.201900017] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Baskar Thangaraj
- Jiangsu UniversitySchool of Food and Biological Engineering 301 Xuefu road 212013 Zhenjiang Jiangsu Province China
| | - Pravin Raj Solomon
- SASTRA Deemed UniversitySchool of Chemical & Biotechnology, Tirumalaisamudram 613401 Thanjavur Tamil Nadu India
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24
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Sharifi M, Karim AY, Mustafa Qadir Nanakali N, Salihi A, Aziz FM, Hong J, Khan RH, Saboury AA, Hasan A, Abou-Zied OK, Falahati M. Strategies of enzyme immobilization on nanomatrix supports and their intracellular delivery. J Biomol Struct Dyn 2019; 38:2746-2762. [DOI: 10.1080/07391102.2019.1643787] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Majid Sharifi
- Faculty of Advanced Sciences and Technology, Department of Nanotechnology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Abdulkarim Yasin Karim
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
- Research Center, Knowledge University, Erbil, Kurdistan Region, Iraq
| | - Nadir Mustafa Qadir Nanakali
- Department of Biology, College of Science, Cihan University, Erbil, Iraq
- Department of Biology, College of Education, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Abbas Salihi
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
- Department of Medical Analysis, Faculty of Science, Tishk International University, Erbil, Iraq
| | - Falah Mohammad Aziz
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Jun Hong
- School of Life Sciences, Henan University, China
| | - Rizwan Hasan Khan
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, India
| | - Ali Akbar Saboury
- Inistitute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
- Center of Excellence in Biothermodynamics, University of Tehran, Tehran, Iran
| | - Anwarul Hasan
- Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, Doha, Qatar
- Biomedical Research Centre (BRC), Qatar University, Doha, Qatar
| | - Osama K. Abou-Zied
- Department of Chemistry, Faculty of Science,Sultan Qaboos University, Muscat, Sultanate of Oman
| | - Mojtaba Falahati
- Faculty of Advanced Sciences and Technology, Department of Nanotechnology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
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25
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Sher H, Ali H, Rashid MH, Iftikhar F, Saif-Ur-Rehman, Nawaz MS, Khan WS. Enzyme Immobilization on Metal-Organic Framework (MOF): Effects on Thermostability and Function. Protein Pept Lett 2019; 26:636-647. [PMID: 31208305 DOI: 10.2174/0929866526666190430120046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 04/15/2019] [Accepted: 04/15/2019] [Indexed: 12/19/2022]
Abstract
MOFs are porous materials with adjustable porosity ensuing a tenable surface area and stability. MOFs consist of metal containing joint where organic ligands are linked with coordination bonding rendering a unique architecture favouring the diverse applications in attachment of enzymes, Chemical catalysis, Gases storage and separation, biomedicals. In the past few years immobilization of soluble enzymes on/in MOF has been the topic of interest for scientists working in diverse field. The activity of enzyme, reusability, storage, chemical and thermal stability, affinity with substrate can be greatly improved by immobilizing of enzyme on MOFs. Along with improvement in enzymes properties, the high loading of enzyme is also observed while using MOFs as immobilization support. In this review a detail study of immobilization on/in Metalorganic Frameworks (MOFs) have been described. Furthermore, strategies for the enzyme immobilization on MOFs and resulting in improved catalytic performance of immobilized enzymes have been reported.
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Affiliation(s)
- Hassan Sher
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Hazrat Ali
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Muhammad H Rashid
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Fariha Iftikhar
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Saif-Ur-Rehman
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Muhammad S Nawaz
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Waheed S Khan
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
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26
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Biochemical Characteristics of Microbial Enzymes and Their Significance from Industrial Perspectives. Mol Biotechnol 2019; 61:579-601. [DOI: 10.1007/s12033-019-00187-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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27
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Lim S, Jung GA, Glover DJ, Clark DS. Enhanced Enzyme Activity through Scaffolding on Customizable Self-Assembling Protein Filaments. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1805558. [PMID: 30920729 DOI: 10.1002/smll.201805558] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 02/21/2019] [Indexed: 06/09/2023]
Abstract
Precisely organized enzyme complexes are often found in nature to support complex metabolic reactions in a highly efficient and specific manner. Scaffolding enzymes on artificial materials has thus gained attention as a promising biomimetic strategy to design biocatalytic systems with enhanced productivity. Herein, a versatile scaffolding platform that can immobilize enzymes on customizable nanofibers is reported. An ultrastable self-assembling filamentous protein, the gamma-prefoldin (γ-PFD), is genetically engineered to display an array of peptide tags, which can specifically and stably bind enzymes containing the counterpart domain through simple in vitro mixing. Successful immobilization of proteins along the filamentous template in tunable density is first verified using fluorescent proteins. Then, two different model enzymes, glucose oxidase and horseradish peroxidase, are used to demonstrate that scaffold attachment could enhance the intrinsic catalytic activity of the immobilized enzymes. Considering the previously reported ability of γ-PFD to bind and stabilize a broad range of proteins, the filament's interaction with the bound enzymes may have created a favorable microenvironment for catalysis. It is envisioned that the strategy described here may provide a generally applicable methodology for the scaffolded assembly of multienzymatic complexes for use in biocatalysis.
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Affiliation(s)
- Samuel Lim
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, 94720, USA
| | - Gi Ahn Jung
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, 94720, USA
| | - Dominic J Glover
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Douglas S Clark
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, 94720, USA
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
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28
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Zeng X, Chen B, Lu Z, Hammond GB, Xu B. Homogeneous and Nanoparticle Gold-Catalyzed Hydrothiocyanation of Haloalkynes. Org Lett 2019; 21:2772-2776. [DOI: 10.1021/acs.orglett.9b00728] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Xiaojun Zeng
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
| | - Bocheng Chen
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, 2999 North Renmin Lu, Shanghai, China
| | - Zhichao Lu
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
| | - Gerald B. Hammond
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
| | - Bo Xu
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, 2999 North Renmin Lu, Shanghai, China
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29
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Sebastian M, Aravind A, Mathew B. Green Silver Nanoparticles Based Multi-Technique Sensor for Environmental Hazardous Cu(II) Ion. BIONANOSCIENCE 2019. [DOI: 10.1007/s12668-019-0608-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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30
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Li D, Fang Z, Duan H, Liang L. Polydopamine-mediated synthesis of core–shell gold@calcium phosphate nanoparticles for enzyme immobilization. Biomater Sci 2019; 7:2841-2849. [DOI: 10.1039/c9bm00283a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Constructing calcium phosphate (CaP)–gold (Au) nanocomposites for enzyme immobilization to overcome the bottleneck of loss of enzyme activity upon immobilization.
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Affiliation(s)
- Di Li
- State Key Lab of Food Science and Technology
- Jiangnan University
- Wuxi
- China
- School of Food Science and Technology
| | - Zheng Fang
- State Key Lab of Food Science and Technology
- Jiangnan University
- Wuxi
- China
- School of Food Science and Technology
| | - Hongwei Duan
- School of Chemical and Biomedical Engineering
- Nanyang Technological University
- Singapore 637457
- Singapore
| | - Li Liang
- State Key Lab of Food Science and Technology
- Jiangnan University
- Wuxi
- China
- School of Food Science and Technology
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31
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Celentano M, Jakhmola A, Profeta M, Battista E, Guarnieri D, Gentile F, Netti PA, Vecchione R. Diffusion limited green synthesis of ultra-small gold nanoparticles at room temperature. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.09.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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32
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Li J, Yang Y, Zhang X, Zhang B, Chang H, Wei W. Resonance Rayleigh scattering assay for EGFR using antibody immobilized gold nanoparticles. LUMINESCENCE 2018; 33:1326-1332. [PMID: 30264501 DOI: 10.1002/bio.3550] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 08/12/2018] [Accepted: 08/20/2018] [Indexed: 12/17/2022]
Abstract
A highly selectivity determination of epidermal growth factor receptor (EGFR) has been described in the article. Antibody immobilized cysteamine (Cys) functionalized gold nanoparticles (AuNP) were proposed as immunosensors, and resonance Rayleigh scattering (RRS) was used for detection. First, Cys stabilized AuNPs (Cys-AuNP) were prepared by the reduction of chloroauric acid with sodium borohydride in the presence of Cys. Further, anti-EGFR antibody (Cetuximab, C225) was covalently linked to the Cys-AuNP by carbodiimide-mediated amidation protocol to yield the C225-AuNP immunoprobe. The prepared conjugations were characterized by ultraviolet-visible (UV-vis) spectroscopy, transmission electron microscopy (TEM), Fourier transform infrared (FT-IR) and sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE). Based on the specific binding of C225 to EGFR, an RRS method was established to determine the concentration of EGFR. Under the optimal conditions, the concentration of EGFR was related to the intensity of RRS in the range 30-130 ng ml-1 with a low detection limit of 4.0 ng ml-1 . Meanwhile, the proposed immunosensor exhibited excellent selectivity and anti-interference property. The method was applied to the determination of EGFR in human serum and cancer cell lysate samples with satisfactory results.
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Affiliation(s)
- Junbo Li
- Department of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, P.R. China.,Pharmaceutical Department, Changzhi Medical College, Changzhi, P.R. China
| | - Yanqiang Yang
- Changzhi Entry-exit Inspection and Quarantine Bureau, Changzhi, P.R. China
| | - Xinxin Zhang
- Changzhi Entry-exit Inspection and Quarantine Bureau, Changzhi, P.R. China
| | - Bing Zhang
- Department of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, P.R. China
| | - Honghong Chang
- Department of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, P.R. China
| | - Wenlong Wei
- Department of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, P.R. China
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33
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Waheed A, Mansha M, Ullah N. Nanomaterials-based electrochemical detection of heavy metals in water: Current status, challenges and future direction. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.04.012] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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34
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Hondred JA, Breger JC, Garland NT, Oh E, Susumu K, Walper SA, Medintz IL, Claussen JC. Enhanced enzymatic activity from phosphotriesterase trimer gold nanoparticle bioconjugates for pesticide detection. Analyst 2018; 142:3261-3271. [PMID: 28765846 DOI: 10.1039/c6an02575g] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The rapid detection of organophosphates (OPs), a class of strong neurotoxins, is critically important for monitoring acute insecticide exposure and potential chemical warfare agent use. Herein, we improve the enzymatic activity of a phosphotriesterase trimer (PTE3), an enzyme that selectively recognizes OPs directly, by conjugation with distinctly sized (i.e., 5, 10, and 20 nm diameter) gold nanoparticles (AuNPs). The number of enzymes immobilized on the AuNP was controlled by conjugating increasing molar ratios of PTE3 onto the AuNP surface via metal affinity coordination. This occurs between the PTE3-His6 termini and the AuNP-displayed Ni2+-nitrilotriacetic acid end groups and was confirmed with gel electrophoresis. The enzymatic efficiency of the resultant PTE3-AuNP bioconjugates was analyzed via enzyme progress curves acquired from two distinct assay formats that compared free unbound PTE3 with the following PTE3-AuNP bioconjugates: (1) fixed concentration of AuNPs while increasing the bioconjugate molar ratio of PTE3 displayed around the AuNP and (2) fixed concentration of PTE3 while increasing the bioconjugate molar ratio of PTE3-AuNP by decreasing the AuNP concentration. Both assay formats monitored the absorbance of p-nitrophenol that was produced as PTE3 hydrolyzed the substrate paraoxon, a commercial insecticide and OP nerve agent simulant. Results demonstrate a general equivalent trend between the two formats. For all experiments, a maximum enzymatic velocity (Vmax) increased by 17-fold over free enzyme for the lowest PTE3-AuNP ratio and the largest AuNP (i.e., ratio of 1 : 1, 20 nm dia. AuNP). This work provides a route to improve enzymatic OP detection strategies with enzyme-NP bioconjugates.
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Affiliation(s)
- John A Hondred
- Department of Mechanical Engineering, Iowa State University, United States Ames, IA 50011, USA.
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35
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Li S, Zhang A, Zatopek K, Parvez S, Gardner AF, Corrêa IR, Noren CJ, Xu MQ. Enhancing Multistep DNA Processing by Solid-Phase Enzyme Catalysis on Polyethylene Glycol Coated Beads. Bioconjug Chem 2018; 29:2316-2324. [PMID: 29864273 DOI: 10.1021/acs.bioconjchem.8b00299] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Covalent immobilization of enzymes on solid supports provides an alternative approach to homogeneous biocatalysis by adding the benefits of simple enzyme removal, improved stability, and adaptability to automation and high-throughput applications. Nevertheless, immobilized (IM) enzymes generally suffer from reduced activity compared to their soluble counterparts. The nature and hydrophobicity of the supporting material surface can introduce enzyme conformational change, spatial confinement, and limited substrate accessibility, all of which will result in loss of the immobilized enzyme activity. In this work, we demonstrate through kinetic studies that flexible polyethylene glycol (PEG) moieties modifying the surface of magnetic beads improve the activity of covalently immobilized DNA replication enzymes. PEG-modified immobilized enzymes were utilized in library construction for Illumina next-generation sequencing (NGS) increasing the read coverage across AT-rich regions.
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Affiliation(s)
- Shaohua Li
- New England Biolabs Inc. , 240 County Road , Ipswich , Massachusetts 01938 , United States
| | - Aihua Zhang
- New England Biolabs Inc. , 240 County Road , Ipswich , Massachusetts 01938 , United States
| | - Kelly Zatopek
- New England Biolabs Inc. , 240 County Road , Ipswich , Massachusetts 01938 , United States
| | - Saba Parvez
- New England Biolabs Inc. , 240 County Road , Ipswich , Massachusetts 01938 , United States
| | - Andrew F Gardner
- New England Biolabs Inc. , 240 County Road , Ipswich , Massachusetts 01938 , United States
| | - Ivan R Corrêa
- New England Biolabs Inc. , 240 County Road , Ipswich , Massachusetts 01938 , United States
| | - Christopher J Noren
- New England Biolabs Inc. , 240 County Road , Ipswich , Massachusetts 01938 , United States
| | - Ming-Qun Xu
- New England Biolabs Inc. , 240 County Road , Ipswich , Massachusetts 01938 , United States
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36
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Robidillo CJT, Islam MA, Aghajamali M, Faramus A, Sinelnikov R, Zhang X, Boekhoven J, Veinot JGC. Functional Bioinorganic Hybrids from Enzymes and Luminescent Silicon-Based Nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:6556-6569. [PMID: 29758156 DOI: 10.1021/acs.langmuir.8b01119] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
This study reports the preparation of functional bioinorganic hybrid materials exhibiting catalytic activity and photoluminescent properties arising from the combination of enzymes and freestanding silicon-based nanoparticles. The hybrid materials reported herein have potential applications in biological sensing/imaging and theranostics, as they combine long-lived silicon-based nanoparticle photoluminescence with substrate-specific enzymatic activity. Thermal hydrosilylation of undecenoic acid and alkene-terminated poly(ethylene oxide) with hydride-terminated silicon nanocrystals afforded nanoparticles functionalized with a mixed surface made up of carboxylic acid and poly(ethylene oxide) moieties. These silicon-based nanoparticles were subsequently conjugated with prototypical enzymes through the carbodiimide-mediated amide coupling reaction in order to form bioinorganic hybrids that display solubility and photostability in phosphate buffer, photoluminescence (λmax = 630 nm), and enzymatic activity. They were characterized using Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), dynamic light scattering analysis (DLS), photoluminescence spectroscopy, and pertinent enzyme activity assays.
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Affiliation(s)
- Christopher Jay T Robidillo
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada
- Department of Physical Sciences and Mathematics , University of the Philippines Manila , P. Faura Street , Ermita, Manila 1000 , Philippines
| | - Muhammad Amirul Islam
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada
| | - Maryam Aghajamali
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada
| | - Angelique Faramus
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada
| | - Regina Sinelnikov
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada
| | - Xiyu Zhang
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada
| | - Job Boekhoven
- Department of Chemistry , Technische Universität München , Lichtenbergstrasse 4 , 85748 Garching , Germany
- Institute for Advanced Study , Technische Universität München , Lichtenbergstrasse 2a , 85748 Garching , Germany
| | - Jonathan G C Veinot
- Department of Chemistry , University of Alberta , Edmonton , Alberta T6G 2G2 , Canada
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37
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Yang XJ, Zhang K, Xu JJ, Chen HY. In Situ Visualization of hERG Potassium Channel via Dual Signal Amplification. Anal Chem 2018; 90:6199-6205. [DOI: 10.1021/acs.analchem.8b00725] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Xue-Jiao Yang
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Kai Zhang
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Hong-Yuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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38
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Tavares TS, Torres JA, Silva MC, Nogueira FGE, da Silva AC, Ramalho TC. Soybean peroxidase immobilized on δ-FeOOH as new magnetically recyclable biocatalyst for removal of ferulic acid. Bioprocess Biosyst Eng 2018; 41:97-106. [PMID: 28986654 DOI: 10.1007/s00449-017-1848-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 09/27/2017] [Indexed: 12/28/2022]
Abstract
A significant enhancement in the catalytic performance due to enzymes immobilization is a great way to enhance the economics of biocatalytic processes. The soybean peroxidase (SP) immobilization under ferroxyte and the ferulic acid removal by the enzyme free and immobilized were investigated. The immobilization via silica-coated ferroxyte nanoparticles was effective, and immobilization yield of 39%. The scanning electron microscopy (SEM) images showed significant changes in the materials morphology. Substantial differences were observed in the particles' Fourier Transform Infrared (FTIR) spectra. The magnetic catalyst revealed a better performance than the free enzyme in the ferulic acid conversion, presenting a good V max/K m ratio when compared with the free enzyme. The reuse evaluated by ten cycles exhibited excellent recycling, remaining constant between the sixth and seventh cycles. The use of magnetic nanocatalyst becomes possible to eliminate the high operational costs, and complicated steps of the conventional enzymatic processes. Thus, a viable industrial route for the use of the enzyme as catalyst is possible.
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Affiliation(s)
- Tássia Silva Tavares
- Department of Chemistry, Federal University of Lavras, N° 37, 37200-000, Lavras, MG, Brazil
| | - Juliana Arriel Torres
- Department of Chemistry, Federal University of Lavras, N° 37, 37200-000, Lavras, MG, Brazil
| | - Maria Cristina Silva
- Department of Chemistry, Federal University of Lavras, N° 37, 37200-000, Lavras, MG, Brazil
- Department of Chemistry, Federal University of Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil
| | | | - Adilson C da Silva
- Department of Chemistry, Federal University of Ouro Preto, 35400-000, Ouro Preto, MG, Brazil
| | - Teodorico C Ramalho
- Department of Chemistry, Federal University of Lavras, N° 37, 37200-000, Lavras, MG, Brazil.
- Center for Basic and Applied Research, Faculty of Informatics and Management, University of Hradec Kralove, Hradec Kralove, Czech Republic.
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39
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Park K, Kuo Y, Shvadchak V, Ingargiola A, Dai X, Hsiung L, Kim W, Zhou H, Zou P, Levine AJ, Li J, Weiss S. Membrane insertion of-and membrane potential sensing by-semiconductor voltage nanosensors: Feasibility demonstration. SCIENCE ADVANCES 2018; 4:e1601453. [PMID: 29349292 PMCID: PMC5770167 DOI: 10.1126/sciadv.1601453] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Accepted: 12/08/2017] [Indexed: 05/22/2023]
Abstract
We developed membrane voltage nanosensors that are based on inorganic semiconductor nanoparticles. We provide here a feasibility study for their utilization. We use a rationally designed peptide to functionalize the nanosensors, imparting them with the ability to self-insert into a lipid membrane with a desired orientation. Once inserted, these nanosensors could sense membrane potential via the quantum confined Stark effect, with a single-particle sensitivity. With further improvements, these nanosensors could potentially be used for simultaneous recording of action potentials from multiple neurons in a large field of view over a long duration and for recording electrical signals on the nanoscale, such as across one synapse.
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Affiliation(s)
- Kyoungwon Park
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Yung Kuo
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Volodymyr Shvadchak
- Institute of Organic Chemistry and Biochemistry AS CR, Prague 166-10, Czech Republic
| | - Antonino Ingargiola
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Xinghong Dai
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Lawrence Hsiung
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Wookyeom Kim
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Hong Zhou
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Peng Zou
- Department of Chemistry and Chemical Biology, Harvard University, MA 02138, USA
| | - Alex J. Levine
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Physics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jack Li
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Shimon Weiss
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Physiology, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Corresponding author.
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40
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Li Z, Liu F, Yuan Y, Wu J, Wang H, Yuan L, Chen H. Multifunctional gold nanoparticle layers for controllable capture and release of proteins. NANOSCALE 2017; 9:15407-15415. [PMID: 28975944 DOI: 10.1039/c7nr05276f] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Protein modified functional surfaces have been applied extensively in the field of biomaterials and medicine. Regulation of the amount and activity of proteins on the material surface is always a challenge and a key research issue. A multifunctional micro/nano-composite based surface system for efficient controllable capture and release of proteins is proposed and studied in the present paper. This novel system contains (1) gold nanoparticles (AuNPs) co-modified with an enzyme and poly(methacrylic acid) (PMAA), e.g., AuNP-pyrophosphatase (PPase)-PMAA, as nanostructured protein carriers; (2) gold nanoparticle layers (GNPLs) modified with poly(2-(dimethylamino)ethyl methacrylate) (PDMAEMA), i.e., GNPL-PDMAEMA, as a micro/nano-structured support platform for surface bioactivity regulation. The capture-release of proteins and the regulation of surface bioactivity in this composite surface system were investigated under different conditions. The results showed that the proposed system is capable of protein capture and release with simple adjustment of the pH value from neutral pH to basic pH. When the pH of the system is stabilized at 7.0, the GNPL-PDMAEMA surface could adsorb plenty of AuNP-PPase-PMAA conjugates and maximum surface bioactivity occurred, but when the pH of the system is adjusted to 10.0, the GNPL-PDMAEMA surface could liberate almost all the AuNP-PPase-PMAA conjugates and thus surface bioactivity disappeared. Meanwhile, by cyclical variations between pH 7.0 and pH 10.0, this surface protein capture/release system could realize recycling and reuse of one certain protein multiple times, a series of proteins acting sequentially in accordance with pre-designed procedures, and a functional combination of multiple proteins. This recyclable multifunctional surface with the capability of protein capture/release has great potential in many applications, such as biomonitoring and biomolecule immobilization.
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Affiliation(s)
- Zhenhua Li
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Suzhou 215123, P. R. China.
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41
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Liu Z, Wu W. In situ self-assembly of polarizing chromogen nanofibers catalyzed with hybrid films of gold nanoparticles and cellulose. NANOTECHNOLOGY 2017; 28:385602. [PMID: 28691923 DOI: 10.1088/1361-6528/aa7eb5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Hybrid materials of metal nanoparticles and biopolymers with catalytic properties are very promising to be used as detectors in biochemical reactions. In this work, the catalytic properties and relevant in situ self-assembly abilities of hybrid films of gold nanoparticles (GNPs) and cellulose for the oxidation of benign chromogen 3,3',5,5'-tetramethylbenzidine (TMB) with hydrogen peroxide (H2O2) are revealed for the first time. The peroxidase-like properties of hybrid films are inherited from those of colloidal GNPs and increase with their contents of GNPs. It is discovered that the oxidized products of TMB grow in situ and assemble into rod-like and tumbleweed-like nanofiber assemblies on hybrid films. The rod-like nanofibers show a magnificent polarizing phenomenon under polarized light because of polycrystalline globular nanoparticles inside. The in situ self-assembly of polarizing nanofibers of chromogen catalyzed with hybrid films creates an opportunity for the synthesis of novel organic nanomaterials and the enhanced detection of biochemical products under polarized light.
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Affiliation(s)
- Zhiming Liu
- College of Science, National University of Defense Technology, Changsha, 410073, People's Republic of China
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42
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Srinivasu BY, Bose B, Mitra G, Kurpad AV, Mandal AK. Adsorption Induced Changes of Human Hemoglobin on Ferric Pyrophosphate Nanoparticle Surface Probed by Isotope Exchange Mass Spectrometry: An Implication on Structure-Function Correlation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:8032-8042. [PMID: 28727441 DOI: 10.1021/acs.langmuir.7b01905] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In general, proteins in the biological system interact with nanoparticles (NPs) via adsorption on the particle surface. Understanding the adsorption at the molecular level is crucial to explore NP-protein interactions. The increasing concerns about the risk to human health on NP exposure have been explored through the discovery of a handful protein biomarkers and biochemical analysis. However, detailed information on structural perturbation and associated functional changes of proteins on interaction with NPs is limited. Erythrocytes (red blood cells) are devoid of defense mechanism of protecting NP penetration through endocytosis. Therefore, it is important to investigate the interaction of erythrocyte proteins with NPs. Hemoglobin, the most abundant protein of human erythrocyte, is a tetrameric molecule consisting of α- and β-globin chains in duplicate. In the present study, we have used hemoglobin as a model system to investigate NP-protein interaction with ferric pyrophosphate NPs [NP-Fe4(P2O7)3]. We report the formation of a bioconjugate of hemoglobin upon adsorption to NP-Fe4(P2O7)3 surface. Analysis of the bioconjugate indicated that Fe3+ ion of NP-Fe4(P2O7)3 contributed in the bioconjugate formation. Using hydrogen/deuterium exchange based mass spectrometry, it was observed that the amino termini of α- and β-globin chains of hemoglobin were involved in the adsorption on NP surface whereas the carboxy termini of both chains became more flexible in its conformation compared to the respective regions of the normal hemoglobin. Circular dichroism spectra of desorbed hemoglobin indicated an adsorption induced localized structural change in the protein molecule. The formation of bioconjugate led to functional alteration of hemoglobin, as probed by oxygen binding assay. Thus, we hypothesize that the large amount of energy released upon adsorption of hemoglobin to NP surface might be the fundamental cause of structural perturbation of human hemoglobin and subsequent formation of the bioconjugate with an altered function.
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Affiliation(s)
- Bindu Y Srinivasu
- Clinical Proteomics Unit, Division of Molecular Medicine, St. John's Research Institute, St. John's National Academy of Health Sciences , 100 ft road, Koramangala, Bangalore 560034, India
| | - Beena Bose
- Department of Physiology, St John's Medical College, and Division of Nutrition, St. John's Research Institute, St. John's National Academy of Health Sciences , 100 ft road, Koramangala, Bangalore 560034, India
| | - Gopa Mitra
- Clinical Proteomics Unit, Division of Molecular Medicine, St. John's Research Institute, St. John's National Academy of Health Sciences , 100 ft road, Koramangala, Bangalore 560034, India
| | - Anura V Kurpad
- Department of Physiology, St John's Medical College, and Division of Nutrition, St. John's Research Institute, St. John's National Academy of Health Sciences , 100 ft road, Koramangala, Bangalore 560034, India
| | - Amit K Mandal
- Clinical Proteomics Unit, Division of Molecular Medicine, St. John's Research Institute, St. John's National Academy of Health Sciences , 100 ft road, Koramangala, Bangalore 560034, India
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Du P, Jin M, Chen G, Zhang C, Cui X, Zhang Y, Zhang Y, Zou P, Jiang Z, Cao X, She Y, Jin F, Wang J. Competitive colorimetric triazophos immunoassay employing magnetic microspheres and multi-labeled gold nanoparticles along with enzymatic signal enhancement. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2365-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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The Investigation of Electrochemistry Behaviors of Tyrosinase Based on Directly-Electrodeposited Grapheneon Choline-Gold Nanoparticles. Molecules 2017. [PMID: 28644401 PMCID: PMC6152276 DOI: 10.3390/molecules22071047] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A novel catechol (CA) biosensor was developed by embedding tyrosinase (Tyr) onto in situ electrochemical reduction graphene (EGR) on choline-functionalized gold nanoparticle (AuNPs-Ch) film. The results of UV-Vis spectra indicated that Tyr retained its original structure in the film, and an electrochemical investigation of the biosensor showed a pair of well-defined, quasi-reversible redox peaks with Epa = -0.0744 V and Epc = -0.114 V (vs. SCE) in 0.1 M, pH 7.0 sodium phosphate-buffered saline at a scan rate of 100 mV/s. The transfer rate constant ks is 0.66 s-1. The Tyr-EGR/AuNPs-Ch showed a good electrochemical catalytic response for the reduction of CA, with the linear range from 0.2 to 270 μM and a detection limit of 0.1 μM (S/N = 3). The apparent Michaelis-Menten constant was estimated to be 109 μM.
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Dubey MK, Zehra A, Aamir M, Meena M, Ahirwal L, Singh S, Shukla S, Upadhyay RS, Bueno-Mari R, Bajpai VK. Improvement Strategies, Cost Effective Production, and Potential Applications of Fungal Glucose Oxidase (GOD): Current Updates. Front Microbiol 2017; 8:1032. [PMID: 28659876 PMCID: PMC5468390 DOI: 10.3389/fmicb.2017.01032] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 05/23/2017] [Indexed: 01/15/2023] Open
Abstract
Fungal glucose oxidase (GOD) is widely employed in the different sectors of food industries for use in baking products, dry egg powder, beverages, and gluconic acid production. GOD also has several other novel applications in chemical, pharmaceutical, textile, and other biotechnological industries. The electrochemical suitability of GOD catalyzed reactions has enabled its successful use in bioelectronic devices, particularly biofuel cells, and biosensors. Other crucial aspects of GOD such as improved feeding efficiency in response to GOD supplemental diet, roles in antimicrobial activities, and enhancing pathogen defense response, thereby providing induced resistance in plants have also been reported. Moreover, the medical science, another emerging branch where GOD was recently reported to induce several apoptosis characteristics as well as cellular senescence by downregulating Klotho gene expression. These widespread applications of GOD have led to increased demand for more extensive research to improve its production, characterization, and enhanced stability to enable long term usages. Currently, GOD is mainly produced and purified from Aspergillus niger and Penicillium species, but the yield is relatively low and the purification process is troublesome. It is practical to build an excellent GOD-producing strain. Therefore, the present review describes innovative methods of enhancing fungal GOD production by using genetic and non-genetic approaches in-depth along with purification techniques. The review also highlights current research progress in the cost effective production of GOD, including key advances, potential applications and limitations. Therefore, there is an extensive need to commercialize these processes by developing and optimizing novel strategies for cost effective GOD production.
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Affiliation(s)
- Manish K. Dubey
- Laboratory of Mycopathology and Microbial Technology, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu UniversityVaranasi, India
| | - Andleeb Zehra
- Laboratory of Mycopathology and Microbial Technology, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu UniversityVaranasi, India
| | - Mohd Aamir
- Laboratory of Mycopathology and Microbial Technology, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu UniversityVaranasi, India
| | - Mukesh Meena
- Laboratory of Mycopathology and Microbial Technology, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu UniversityVaranasi, India
| | - Laxmi Ahirwal
- Laboratory of Molecular Biology, Department of Botany, Dr. Hari Singh Gour UniversitySagar, India
| | - Siddhartha Singh
- Laboratory of Molecular Biology, Department of Botany, Dr. Hari Singh Gour UniversitySagar, India
| | - Shruti Shukla
- Department of Energy and Materials Engineering, Dongguk UniversitySeoul, South Korea
| | - Ram S. Upadhyay
- Laboratory of Mycopathology and Microbial Technology, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu UniversityVaranasi, India
| | - Ruben Bueno-Mari
- Research and Development (R+D) Department, Laboratorios LokímicaValencia, Spain
| | - Vivek K. Bajpai
- Department of Applied Microbiology and Biotechnology, Yeungnam UniversityGyeongsan, South Korea
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46
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Porous carbon and Prussian blue composite: A highly sensitive electrochemical platform for glucose biosensing. SENSING AND BIO-SENSING RESEARCH 2017. [DOI: 10.1016/j.sbsr.2017.05.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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47
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Vranish JN, Ancona MG, Oh E, Susumu K, Medintz IL. Enhancing coupled enzymatic activity by conjugating one enzyme to a nanoparticle. NANOSCALE 2017; 9:5172-5187. [PMID: 28393943 DOI: 10.1039/c7nr00200a] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Enzymes have long been a prime research target for the commercial production of commodity and specialty chemicals, design of sensing devices, and the development of therapeutics and new chemical processes. Industrial applications for enzymes can potentially be enhanced by enzyme immobilization which often allows for increased enzyme stability, facile product purification, and minimized substrate diffusion times in multienzymatic cascades, but this is usually at the cost of a significant decrease in catalytic rates. Recently, enzyme immobilization has been advanced by the discovery that nanoparticle surfaces are frequently able to enhance the activity of the bound enzyme. Here we extend this observation to a multienzymatic coupled system using semiconductor quantum dots (QDs) as a model nanoparticle material and the prototypical enzyme pair of glucose oxidase (GOX) and horseradish peroxidase (HRP). We first demonstrate that HRP binding to QDs has a significant beneficial effect on enzymatic activity, producing a >2-fold improvement in kcat. We argue that this enhancement is due to affinity of the QD surface for the substrate. Furthermore, we demonstrate that when the ratio of GOX to HRP is adjusted to allow HRP to be the rate-limiting step of the pathway, the QD-induced rate enhancement of HRP can be maintained in a multi-enzyme cascade. Kinetic analysis shows that the underlying processes can be simulated numerically and provide insight into the governing mechanisms. The potential of nanoparticle-based catalytic enhancement is then discussed in the context of multienzyme cascades and synthetic biology.
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Devineau S, Zargarian L, Renault JP, Pin S. Structure and Function of Adsorbed Hemoglobin on Silica Nanoparticles: Relationship between the Adsorption Process and the Oxygen Binding Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:3241-3252. [PMID: 28263607 DOI: 10.1021/acs.langmuir.6b04281] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The connection between the mechanisms of protein adsorption on nanoparticles and the structural and functional properties of the adsorbed protein often remains unclear. We investigate porcine hemoglobin adsorption on silica nanoparticles, and we analyze the structural and functional modifications of adsorbed hemoglobin by UV-vis spectrophotometry, circular dichroism, and oxygen binding measurement. The structural analysis of adsorbed hemoglobin on silica nanoparticles reveals a significant loss of secondary structure and a preservation of the heme electronic structure. However, adsorbed hemoglobin retains its quaternary structure and exhibits an enhanced oxygen affinity with cooperative binding. Moreover, the structural and functional modifications are fully reversible after complete desorption from silica nanoparticles at pH 8.7. The tunable adsorption and desorption of hemoglobin on SNPs with pH change, and the full control of hemoglobin activity by pH, temperature, and the addition of inorganic phosphate effectors opens the way to an interesting system whereby protein adsorption on nanoparticles can allow for full control over hemoglobin oxygen binding activity. Our results suggest that adsorption of hemoglobin on silica nanoparticles leads to a new structural, functional, and dynamic state with full reversibility in a way that significantly differs from protein denaturation.
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Affiliation(s)
- Stéphanie Devineau
- LIONS, NIMBE, CEA, CNRS, Université Paris-Saclay , CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Loussiné Zargarian
- LBPA, ENS de Cachan, CNRS, Université Paris-Saclay , 94235 Cachan Cedex, France
| | - Jean Philippe Renault
- LIONS, NIMBE, CEA, CNRS, Université Paris-Saclay , CEA Saclay, 91191 Gif-sur-Yvette, France
| | - Serge Pin
- LIONS, NIMBE, CEA, CNRS, Université Paris-Saclay , CEA Saclay, 91191 Gif-sur-Yvette, France
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49
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Dawes CS, Konig H, Lin CC. Enzyme-immobilized hydrogels to create hypoxia for in vitro cancer cell culture. J Biotechnol 2017; 248:25-34. [PMID: 28284922 DOI: 10.1016/j.jbiotec.2017.03.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 02/19/2017] [Accepted: 03/07/2017] [Indexed: 11/30/2022]
Abstract
Hypoxia is a critical condition governing many aspects of cellular fate processes. The most common practice in hypoxic cell culture is to maintain cells in an incubator with controlled gas inlet (i.e., hypoxic chamber). Here, we describe the design and characterization of enzyme-immobilized hydrogels to create solution hypoxia under ambient conditions for in vitro cancer cell culture. Specifically, glucose oxidase (GOX) was acrylated and co-polymerized with poly(ethylene glycol)-diacrylate (PEGDA) through photopolymerization to form GOX-immobilized PEG-based hydrogels. We first evaluated the effect of soluble GOX on inducing solution hypoxia (O2<5%) and found that both unmodified and acrylated GOX could sustain hypoxia for at least 24h even under ambient air condition with constant oxygen diffusion from the air-liquid interface. However, soluble GOX gradually lost its ability to sustain hypoxia after 24h due to the loss of enzyme activity over time. On the other hand, GOX-immobilized hydrogels were able to create hypoxia within the hydrogel for at least 120h, potentially due to enhanced protein stabilization by enzyme 'PEGylation' and immobilization. As a proof-of-concept, this GOX-immobilized hydrogel system was used to create hypoxia for in vitro culture of Molm14 (acute myeloid leukemia (AML) cell line) and Huh7 (hepatocellular carcinoma (HCC) cell line). Cells cultured in the presence of GOX-immobilized hydrogels remained viable for at least 24h. The expression of hypoxia associated genes, including carbonic anhydrase 9 (CA9) and lysyl oxidase (LOX), were significantly upregulated in cells cultured with GOX-immobilized hydrogels. These results have demonstrated the potential of using enzyme-immobilized hydrogels to create hypoxic environment for in vitro cancer cell culture.
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Affiliation(s)
- Camron S Dawes
- Department of Biomedical Engineering, Indiana University-Purdue University Indianapolis, Indianapolis, IN 46202, USA
| | - Heiko Konig
- Department of Medicine, Division of Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Indiana University Melvin & Bren Simon Cancer Center, Indianapolis, IN 46202, USA
| | - Chien-Chi Lin
- Department of Biomedical Engineering, Indiana University-Purdue University Indianapolis, Indianapolis, IN 46202, USA; Indiana University Melvin & Bren Simon Cancer Center, Indianapolis, IN 46202, USA.
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50
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Chen JL, Li L, Wang S, Sun XY, Xiao L, Ren JS, Di B, Gu N. A glucose-activatable trimodal glucometer self-assembled from glucose oxidase and MnO2nanosheets for diabetes monitoring. J Mater Chem B 2017; 5:5336-5344. [DOI: 10.1039/c7tb00864c] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
For the first time a glucose-activatable trimodal glucometer with an exceptional enhanced enzymatic activity, self-assembled from glucose oxidase and MnO2nanosheets for diabetes monitoringin vitro, has been presented.
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Affiliation(s)
- Jin-Long Chen
- Department of Pharmaceutical Analysis
- School of Pharmacy
- China Pharmaceutical University
- Nanjing 210009
- P. R. China
| | - Li Li
- Department of Pharmaceutical Analysis
- School of Pharmacy
- China Pharmaceutical University
- Nanjing 210009
- P. R. China
| | - Shuo Wang
- Department of Pharmaceutical Analysis
- School of Pharmacy
- China Pharmaceutical University
- Nanjing 210009
- P. R. China
| | - Xiao-Yan Sun
- Laboratory of Cellular and Molecular Biology
- Jiangsu Province Institute of Chinese Medicine
- Nanjing 210000
- P. R. China
| | - Lu Xiao
- Department of Pharmaceutical Analysis
- School of Pharmacy
- China Pharmaceutical University
- Nanjing 210009
- P. R. China
| | - Jia-Shu Ren
- Department of Pharmaceutical Analysis
- School of Pharmacy
- China Pharmaceutical University
- Nanjing 210009
- P. R. China
| | - Bin Di
- Department of Pharmaceutical Analysis
- School of Pharmacy
- China Pharmaceutical University
- Nanjing 210009
- P. R. China
| | - Ning Gu
- Jiangsu Key Laboratory for Biomaterials and Devices
- School of Biological Science and Medical Engineering
- Southeast University
- Nanjing
- P. R. China
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