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Modification of Electrospun Regenerate Cellulose Nanofiber Membrane via Atom Transfer Radical Polymerization (ATRP) Approach as Advanced Carrier for Laccase Immobilization. Polymers (Basel) 2021; 13:polym13020182. [PMID: 33419168 PMCID: PMC7825495 DOI: 10.3390/polym13020182] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 12/27/2020] [Accepted: 12/29/2020] [Indexed: 11/17/2022] Open
Abstract
This study aimed to modify an electrospun regenerated cellulose (RC) nanofiber membrane by surface grafting 2-(dimethylamino) ethyl methacrylate (DMAEMA) as a monomer via atom transfer radical polymerization (ATRP), as well as investigate the effects of ATRP conditions (i.e., initiation and polymerization) on enzyme immobilization. Various characterizations including XPS, FTIR spectra, and SEM images of nanofiber membranes before and after monomer grafting verified that poly (DMAEMA) chains/brushes were successfully grafted onto the RC nanofiber membrane. The effect of different ATRP conditions on laccase immobilization was investigated, and the results indicated that the optimal initiation and monomer grafting times were 1 and 2 h, respectively. The highest immobilization amount was obtained from the RC-Br-1h-poly (DMAEMA)-2h membrane (95.04 ± 4.35 mg), which increased by approximately 3.3 times compared to the initial RC membrane (28.57 ± 3.95 mg). All the results suggested that the optimization of initiation and polymerization conditions is a key factor that affects the enzyme immobilization amount, and the surface modification of the RC membrane by ATRP is a promising approach to develop an advanced enzyme carrier with a high enzyme loading capacity.
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2
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Zhang R, Wu W, Zhang Z, Lv S, Xing B, McClements DJ. Impact of Food Emulsions on the Bioaccessibility of Hydrophobic Pesticide Residues in Co-Ingested Natural Products: Influence of Emulsifier and Dietary Fiber Type. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:6032-6040. [PMID: 31083996 DOI: 10.1021/acs.jafc.8b06930] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In the typical Western diet, fruits and vegetables are often consumed with food products that exist as oil-in-water emulsions, such as creams, dressings, and sauces. Studies have shown that coingestion of fruits and vegetables with emulsions can increase the bioavailability of beneficial lipophilic bioactive agents, such as nutraceuticals or vitamins. Agricultural produce, however, may also be contaminated with low levels of detrimental lipophilic agents, such as hydrophobic pesticides. We therefore examined the impact of coingesting a common agricultural product (tomatoes) with model food emulsions on the bioaccessibility of a hydrophobic pesticide (chlorpyrifos). The impact of emulsifier types (phospholipids, whey protein, Tween 80) and dietary fiber types (xanthan, chitosan, β-glucan) on the bioaccessibility of the pesticide was measured using a simulated gastrointestinal model. Chlorpyrifos bioaccessibility depended on the type of emulsifier used to formulate the emulsions: phospholipids > Tween 80 > whey protein. Dietary fiber type also influenced pesticide bioaccessibility by an amount that depended on the nature of the emulsifier used. Overall, our results suggest that the bioaccessibility of undesirable pesticides on fruits and vegetables will depend on the nature of the emulsions they are consumed with.
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Affiliation(s)
- Ruojie Zhang
- Department of Food Science , University of Massachusetts Amherst , Amherst , Massachusetts 01003 , United States
| | - Wenhao Wu
- Stockbridge School of Agriculture , University of Massachusetts , Amherst , Massachusetts 01003 , United States
| | - Zipei Zhang
- Department of Food Science , University of Massachusetts Amherst , Amherst , Massachusetts 01003 , United States
| | - Shanshan Lv
- Department of Food Science , University of Massachusetts Amherst , Amherst , Massachusetts 01003 , United States
- Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), College of Material Science and Engineering , Northeast Forestry University , Harbin , 150040 , People's Republic of China
| | - Baoshan Xing
- Stockbridge School of Agriculture , University of Massachusetts , Amherst , Massachusetts 01003 , United States
| | - David Julian McClements
- Laboratory for Environmental Health NanoScience, Center for Nanotechnology and Nanotoxicology, T. H. Chan School of Public Health , Harvard University 665 Huntington Avenue , Boston , Massachusetts 02115 , United States
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3
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Rodrigues RT, Morais PV, Nordi CSF, Schöning MJ, Siqueira JR, Caseli L. Carbon Nanotubes and Algal Polysaccharides To Enhance the Enzymatic Properties of Urease in Lipid Langmuir-Blodgett Films. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:3082-3093. [PMID: 29397738 DOI: 10.1021/acs.langmuir.7b04317] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Algal polysaccharides (extracellular polysaccharides) and carbon nanotubes (CNTs) were adsorbed on dioctadecyldimethylammonium bromide Langmuir monolayers to serve as a matrix for the incorporation of urease. The physicochemical properties of the supramolecular system as a monolayer at the air-water interface were investigated by surface pressure-area isotherms, surface potential-area isotherms, interfacial shear rheology, vibrational spectroscopy, and Brewster angle microscopy. The floating monolayers were transferred to hydrophilic solid supports, quartz, mica, or capacitive electrolyte-insulator-semiconductor (EIS) devices, through the Langmuir-Blodgett (LB) technique, forming mixed films, which were investigated by quartz crystal microbalance, fluorescence spectroscopy, and field emission gun scanning electron microscopy. The enzyme activity was studied with UV-vis spectroscopy, and the feasibility of the thin film as a urea sensor was essayed in an EIS sensor device. The presence of CNT in the enzyme-lipid LB film not only tuned the catalytic activity of urease but also helped to conserve its enzyme activity. Viability as a urease sensor was demonstrated with capacitance-voltage and constant capacitance measurements, exhibiting regular and distinctive output signals over all concentrations used in this work. These results are related to the synergism between the compounds on the active layer, leading to a surface morphology that allowed fast analyte diffusion owing to an adequate molecular accommodation, which also preserved the urease activity. This work demonstrates the feasibility of employing LB films composed of lipids, CNT, algal polysaccharides, and enzymes as EIS devices for biosensing applications.
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Affiliation(s)
- Raul T Rodrigues
- Institute of Environmental, Chemical and Pharmaceutical Sciences , Federal University of São Paulo (UNIFESP) , 09913-030 Diadema , São Paulo , Brazil
| | - Paulo V Morais
- Institute of Exact Sciences, Natural and Education , Federal University of Triângulo Mineiro (UFTM) , 38064-200 Uberaba , Minas Gerais , Brazil
- Interdisciplinary Laboratory of Electrochemistry and Ceramics, Chemistry Institute , São Paulo State University , 14800-900 Araraquara , São Paulo , Brazil
| | - Cristina S F Nordi
- Institute of Environmental, Chemical and Pharmaceutical Sciences , Federal University of São Paulo (UNIFESP) , 09913-030 Diadema , São Paulo , Brazil
| | - Michael J Schöning
- Institute of Nano- and Biotechnologies (INB) , FH Aachen, Campus Jülich , 52428 Jülich , Germany
- Institute of Complex Systems (ICS-8) , Forschungszentrum Jülich , 52425 Jülich , Germany
| | - José R Siqueira
- Institute of Exact Sciences, Natural and Education , Federal University of Triângulo Mineiro (UFTM) , 38064-200 Uberaba , Minas Gerais , Brazil
| | - Luciano Caseli
- Institute of Environmental, Chemical and Pharmaceutical Sciences , Federal University of São Paulo (UNIFESP) , 09913-030 Diadema , São Paulo , Brazil
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4
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Cámara CI, Wilke N. Interaction of dextran derivatives with lipid monolayers and the consequential modulation of the film properties. Chem Phys Lipids 2017; 204:34-42. [DOI: 10.1016/j.chemphyslip.2017.03.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 03/09/2017] [Accepted: 03/10/2017] [Indexed: 12/23/2022]
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5
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Ayoub FDP, Caseli L. Controlling the molecular architecture of lactase immobilized in Langmuir-Blodgett films of phospholipids to modulate the enzyme activity. Colloids Surf B Biointerfaces 2017; 150:8-14. [DOI: 10.1016/j.colsurfb.2016.11.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 11/09/2016] [Accepted: 11/10/2016] [Indexed: 01/27/2023]
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6
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da Rocha Junior C, Caseli L. Adsorption and enzyme activity of asparaginase at lipid Langmuir and Langmuir-Blodgett films. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 73:579-584. [PMID: 28183647 DOI: 10.1016/j.msec.2016.12.041] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 11/23/2016] [Accepted: 12/09/2016] [Indexed: 11/25/2022]
Abstract
In this present work, the surface activity of the enzyme asparaginase was investigated at the air-water interface, presenting surface activity in high ionic strengths. Asparaginase was incorporated in Langmuir monolayers of the phospholipid dipalmitoylphosphatidylcholine (DPPC), forming a mixed film, which was characterized with surface pressure-area isotherms, surface potential-area isotherms, polarization-modulated infrared reflection-absorption spectroscopy (PM-IRRAS), and Brewster angle microscopy (BAM). The adsorption of the enzyme at the air-water interface condensed the lipid monolayer and increased the film compressibility at high surface pressures. Amide bands in the PM-IRRAS spectra were identified, with the CN and CO dipole moments lying parallel to monolayer plane, revealing the structuring of the enzyme into α-helices and β-sheets. The floating monolayers were transferred to solid supports as Langmuir-Blodgett (LB) films and characterized with fluorescence spectroscopy and atomic force microscopy. Catalytic activities of the films were measured and compared to the homogenous medium. The enzyme accommodated in the LB films preserved more than 78% of the enzyme activity after 30days, in contrast for the homogeneous medium, which preserved less than 13%. The method presented in this work not only allows for an enhanced catalytic activity, but also can help explain why certain film architectures exhibit better performance.
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Affiliation(s)
- Carlos da Rocha Junior
- Institute of Environmental, Chemical and Phamaceutical Sciences, Federal University of São Paulo, Diadema, SP, Brazil
| | - Luciano Caseli
- Institute of Environmental, Chemical and Phamaceutical Sciences, Federal University of São Paulo, Diadema, SP, Brazil.
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7
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Enhancing the Enzymatic Activity of a Heme-Dependent Peroxidase through Genetic Modification. Catalysts 2016. [DOI: 10.3390/catal6110166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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8
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Effect of chitosan molecular weight on the formation of chitosan–pullulanase soluble complexes and their application in the immobilization of pullulanase onto Fe3O4–κ-carrageenan nanoparticles. Food Chem 2016; 202:49-58. [DOI: 10.1016/j.foodchem.2016.01.119] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 12/21/2015] [Accepted: 01/27/2016] [Indexed: 01/16/2023]
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9
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Rocha JM, Pavinatto A, Nobre TM, Caseli L. Acylated Carrageenan Changes the Physicochemical Properties of Mixed Enzyme–Lipid Ultrathin Films and Enhances the Catalytic Properties of Sucrose Phosphorylase Nanostructured as Smart Surfaces. J Phys Chem B 2016; 120:5359-66. [DOI: 10.1021/acs.jpcb.6b03468] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jefferson M. Rocha
- Institute
of Environmental, Chemical and Pharmaceutical Sciences, Federal University of Sao Paulo, Diadema, SP 04021-001, Brazil
| | - Adriana Pavinatto
- São
Carlos Physics Institute, University of São Paulo, São Carlos, SP 13566-590, Brazil
| | - Thatyane M. Nobre
- São
Carlos Physics Institute, University of São Paulo, São Carlos, SP 13566-590, Brazil
| | - Luciano Caseli
- Institute
of Environmental, Chemical and Pharmaceutical Sciences, Federal University of Sao Paulo, Diadema, SP 04021-001, Brazil
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10
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de Brito AK, Nordi CS, Caseli L. Algal polysaccharides as matrices for the immobilization of urease in lipid ultrathin films studied with tensiometry and vibrational spectroscopy: Physical–chemical properties and implications in the enzyme activity. Colloids Surf B Biointerfaces 2015; 135:639-645. [DOI: 10.1016/j.colsurfb.2015.08.033] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Revised: 08/19/2015] [Accepted: 08/20/2015] [Indexed: 10/23/2022]
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11
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Sibert EL, Tabor DP, Kidwell NM, Dean JC, Zwier TS. Fermi Resonance Effects in the Vibrational Spectroscopy of Methyl and Methoxy Groups. J Phys Chem A 2014; 118:11272-81. [DOI: 10.1021/jp510142g] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Edwin L. Sibert
- Department
of Chemistry and Theoretical Chemistry Institute, University of Wisconsin−Madison, Madison, Wisconsin 53706, United States
| | - Daniel P. Tabor
- Department
of Chemistry and Theoretical Chemistry Institute, University of Wisconsin−Madison, Madison, Wisconsin 53706, United States
| | - Nathanael M. Kidwell
- Department
of Chemistry, Purdue University, West Lafayette, Indiana 47907-2084, United States
| | - Jacob C. Dean
- Department
of Chemistry, Purdue University, West Lafayette, Indiana 47907-2084, United States
| | - Timothy S. Zwier
- Department
of Chemistry, Purdue University, West Lafayette, Indiana 47907-2084, United States
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12
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Volpati D, Aoki PHB, Alessio P, Pavinatto FJ, Miranda PB, Constantino CJL, Oliveira ON. Vibrational spectroscopy for probing molecular-level interactions in organic films mimicking biointerfaces. Adv Colloid Interface Sci 2014; 207:199-215. [PMID: 24530000 DOI: 10.1016/j.cis.2014.01.014] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Revised: 11/28/2013] [Accepted: 01/13/2014] [Indexed: 01/26/2023]
Abstract
Investigation into nanostructured organic films has served many purposes, including the design of functionalized surfaces that may be applied in biomedical devices and tissue engineering and for studying physiological processes depending on the interaction with cell membranes. Of particular relevance are Langmuir monolayers, Langmuir-Blodgett (LB) and layer-by-layer (LbL) films used to simulate biological interfaces. In this review, we shall focus on the use of vibrational spectroscopy methods to probe molecular-level interactions at biomimetic interfaces, with special emphasis on three surface-specific techniques, namely sum frequency generation (SFG), polarization-modulated infrared reflection absorption spectroscopy (PM-IRRAS) and surface-enhanced Raman scattering (SERS). The two types of systems selected for exemplifying the potential of the methods are the cell membrane models and the functionalized surfaces with biomolecules. Examples will be given on how SFG and PM-IRRAS can be combined to determine the effects from biomolecules on cell membrane models, which include determination of the orientation and preservation of secondary structure. Crucial information for the action of biomolecules on model membranes has also been obtained with PM-IRRAS, as is the case of chitosan removing proteins from the membrane. SERS will be shown as promising for enabling detection limits down to the single-molecule level. The strengths and limitations of these methods will also be discussed, in addition to the prospects for the near future.
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Affiliation(s)
- Diogo Volpati
- São Carlos Institute of Physics, University of São Paulo, CP 369, São Carlos, SP 13560-970, Brazil
| | - Pedro H B Aoki
- Faculty of Science and Technology, UNESP, Presidente Prudente, CEP 19060-900 SP,Brazil
| | - Priscila Alessio
- Faculty of Science and Technology, UNESP, Presidente Prudente, CEP 19060-900 SP,Brazil
| | - Felippe J Pavinatto
- São Carlos Institute of Physics, University of São Paulo, CP 369, São Carlos, SP 13560-970, Brazil
| | - Paulo B Miranda
- São Carlos Institute of Physics, University of São Paulo, CP 369, São Carlos, SP 13560-970, Brazil
| | | | - Osvaldo N Oliveira
- São Carlos Institute of Physics, University of São Paulo, CP 369, São Carlos, SP 13560-970, Brazil.
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13
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Sibert EL, Kidwell NM, Zwier TS. A First-Principles Model of Fermi Resonance in the Alkyl CH Stretch Region: Application to Hydronaphthalenes, Indanes, and Cyclohexane. J Phys Chem B 2014; 118:8236-45. [DOI: 10.1021/jp5014048] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Edwin L. Sibert
- Department
of Chemistry and Theoretical Chemistry Institute, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Nathanael M. Kidwell
- Department
of Chemistry, Purdue University, West Lafayette, Indiana 47907-2084, United States
| | - Timothy S. Zwier
- Department
of Chemistry, Purdue University, West Lafayette, Indiana 47907-2084, United States
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14
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Lopez RF, Nobre TM, Accardo CDM, Pernambuco Filho PC, Nader HB, Lopes CC, Caseli L. Effect of carrageenans of different chemical structures in biointerfaces: a Langmuir film study. Colloids Surf B Biointerfaces 2013; 111:530-5. [PMID: 23893026 DOI: 10.1016/j.colsurfb.2013.06.039] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Revised: 06/14/2013] [Accepted: 06/18/2013] [Indexed: 10/26/2022]
Abstract
Carrageenans have unique properties in the pharmaceutical and food industries that involve interactions with lipid interfaces, which may be accessed if surface chemistry techniques are employed. The interaction between three different types of carrageenans with dipalmitoylphosphatidylcholine (DPPC) was investigated using Langmuir monolayers as biointerface models. With a combination of data on Surface Pressure-Area Isotherms and Polarization Modulation Infrared Reflection-Absorption Spectroscopy (PM-IRRAS), the effect of different fractions on DPPC monolayers was compared by considering the chemical and structural differences as well as the anticoagulant activity of each fraction. Thus, a model is proposed in which carrageenans can encompass interactions that are maximized due to geometrical adaptations on behalf of the interactions between polysaccharide sulfate groups and lipid polar heads.
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Affiliation(s)
- Ricardo F Lopez
- Institute of Environmental, Chemical and Phamaceutical Sciences, Federal University of São Paulo, Diadema, SP, Brazil
| | - Thatyane M Nobre
- São Carlos Institute of Physics, University of São Paulo, São Carlos, SP, Brazil
| | | | - Paulo C Pernambuco Filho
- Institute of Environmental, Chemical and Phamaceutical Sciences, Federal University of São Paulo, Diadema, SP, Brazil; Departament of Biochemistry, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Helena B Nader
- Departament of Biochemistry, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Carla C Lopes
- Institute of Environmental, Chemical and Phamaceutical Sciences, Federal University of São Paulo, Diadema, SP, Brazil; Departament of Biochemistry, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Luciano Caseli
- Institute of Environmental, Chemical and Phamaceutical Sciences, Federal University of São Paulo, Diadema, SP, Brazil.
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15
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Keszthelyi T, Hill K, Kiss É. Interaction of Phospholipid Langmuir Monolayers with an Antibiotic Peptide Conjugate. J Phys Chem B 2013; 117:6969-79. [DOI: 10.1021/jp401533c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tamás Keszthelyi
- Institute of Molecular Pharmacology,
Research Centre for Natural Sciences, Hungarian Academy of Sciences, H-1025 Budapest, Pusztaszeri út
59-67, Hungary
| | - Katalin Hill
- Laboratory
of Interfaces and
Nanostructures, Institute of Chemistry, Eötvös Loránd University, P.O. Box 32, H-1518 Budapest
112, Hungary
| | - Éva Kiss
- Laboratory
of Interfaces and
Nanostructures, Institute of Chemistry, Eötvös Loránd University, P.O. Box 32, H-1518 Budapest
112, Hungary
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16
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Buchanan EG, Dean JC, Zwier TS, Sibert EL. Towards a first-principles model of Fermi resonance in the alkyl CH stretch region: Application to 1,2-diphenylethane and 2,2,2-paracyclophane. J Chem Phys 2013; 138:064308. [DOI: 10.1063/1.4790163] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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17
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Prudovsky I, Kumar TKS, Sterling S, Neivandt D. Protein-phospholipid interactions in nonclassical protein secretion: problem and methods of study. Int J Mol Sci 2013; 14:3734-72. [PMID: 23396106 PMCID: PMC3588068 DOI: 10.3390/ijms14023734] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2012] [Revised: 01/24/2013] [Accepted: 01/25/2013] [Indexed: 12/30/2022] Open
Abstract
Extracellular proteins devoid of signal peptides use nonclassical secretion mechanisms for their export. These mechanisms are independent of the endoplasmic reticulum and Golgi. Some nonclassically released proteins, particularly fibroblast growth factors (FGF) 1 and 2, are exported as a result of their direct translocation through the cell membrane. This process requires specific interactions of released proteins with membrane phospholipids. In this review written by a cell biologist, a structural biologist and two membrane engineers, we discuss the following subjects: (i) Phenomenon of nonclassical protein release and its biological significance; (ii) Composition of the FGF1 multiprotein release complex (MRC); (iii) The relationship between FGF1 export and acidic phospholipid externalization; (iv) Interactions of FGF1 MRC components with acidic phospholipids; (v) Methods to study the transmembrane translocation of proteins; (vi) Membrane models to study nonclassical protein release.
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Affiliation(s)
- Igor Prudovsky
- Maine Medical Center Research Institute, 81 Research Drive, Scarborough, ME 04074, USA
| | | | - Sarah Sterling
- Department of Chemical and Biological Engineering, University of Maine, Orono, ME 04469, USA; E-Mails: (S.S.); (D.N.)
| | - David Neivandt
- Department of Chemical and Biological Engineering, University of Maine, Orono, ME 04469, USA; E-Mails: (S.S.); (D.N.)
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18
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Backus EHG, Abrakhi S, Péralta S, Teyssié D, Fichet O, Cantin S. Sum-Frequency Generation Spectroscopy of Cinnamate Modified Cellulosic Polymer at the Air–Water Interface. J Phys Chem B 2012; 116:6041-9. [DOI: 10.1021/jp301844b] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Ellen H. G. Backus
- FOM Institute AMOLF, Science Park 104, 1098 XG Amsterdam,
The Netherlands, and Max Planck Institute for Polymer Research (MPIP), Ackermannweg 10, 55128
Mainz, Germany
| | - Sanae Abrakhi
- Laboratoire
de Physico-Chimie
des Polymères et des Interfaces (LPPI, EA 2528), Institut des
Matériaux, Université de Cergy-Pontoise, 5 mail Gay-Lussac Neuville/Oise, 95000 Cergy-Pontoise Cedex, France
| | - Sébastien Péralta
- Laboratoire
de Physico-Chimie
des Polymères et des Interfaces (LPPI, EA 2528), Institut des
Matériaux, Université de Cergy-Pontoise, 5 mail Gay-Lussac Neuville/Oise, 95000 Cergy-Pontoise Cedex, France
| | - Dominique Teyssié
- Laboratoire
de Physico-Chimie
des Polymères et des Interfaces (LPPI, EA 2528), Institut des
Matériaux, Université de Cergy-Pontoise, 5 mail Gay-Lussac Neuville/Oise, 95000 Cergy-Pontoise Cedex, France
| | - Odile Fichet
- Laboratoire
de Physico-Chimie
des Polymères et des Interfaces (LPPI, EA 2528), Institut des
Matériaux, Université de Cergy-Pontoise, 5 mail Gay-Lussac Neuville/Oise, 95000 Cergy-Pontoise Cedex, France
| | - Sophie Cantin
- Laboratoire
de Physico-Chimie
des Polymères et des Interfaces (LPPI, EA 2528), Institut des
Matériaux, Université de Cergy-Pontoise, 5 mail Gay-Lussac Neuville/Oise, 95000 Cergy-Pontoise Cedex, France
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19
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Becker B, Cooper MA. A survey of the 2006-2009 quartz crystal microbalance biosensor literature. J Mol Recognit 2011; 24:754-87. [DOI: 10.1002/jmr.1117] [Citation(s) in RCA: 138] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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20
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Somorjai GA, Beaumont SK, Alayoglu S. Bestimmung der Struktur, Zusammensetzung und Dynamiken molekularer Oberflächen unter Reaktionsbedingungen bei hohen Drücken und an der Fest-flüssig-Phasengrenzfläche. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201008214] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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21
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Somorjai GA, Beaumont SK, Alayoglu S. Determination of Molecular Surface Structure, Composition, and Dynamics under Reaction Conditions at High Pressures and at the Solid-Liquid Interface. Angew Chem Int Ed Engl 2011; 50:10116-29. [DOI: 10.1002/anie.201008214] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2011] [Indexed: 11/11/2022]
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22
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Monteiro DS, Nobre TM, Zaniquelli MED. Hyaluronidase Behavior at the Air/Liquid and Air/Lipid Interfaces and Improved Enzymatic Activity by Its Immobilization in a Biomembrane Model. J Phys Chem B 2011; 115:4801-9. [DOI: 10.1021/jp110795d] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Douglas Santos Monteiro
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901 Ribeirão Preto, SP, Brazil
| | - Thatyane Morimoto Nobre
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901 Ribeirão Preto, SP, Brazil
| | - Maria Elisabete Darbello Zaniquelli
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901 Ribeirão Preto, SP, Brazil
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Zhou S. Local Self-Consistent Ornstein−Zernike Integral Equation Theory and Application to a Generalized Lennard-Jones Potential. J Phys Chem B 2010; 114:11525-34. [DOI: 10.1021/jp1038317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Shiqi Zhou
- School of Physics Science and Technology, Central South University, Changsha, Hunan 410083, China State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, China
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Nobre TM, Pavinatto FJ, Cominetti MR, Selistre de-Araújo HS, Zaniquelli ME, Beltramini LM. The specificity of frutalin lectin using biomembrane models. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2010; 1798:1547-55. [DOI: 10.1016/j.bbamem.2010.03.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2009] [Revised: 03/09/2010] [Accepted: 03/23/2010] [Indexed: 11/25/2022]
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25
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Selective detection of the antigenic polar heads of model lipid membranes supported on metals from their vibrational nonlinear optical response. Chem Phys Lett 2010. [DOI: 10.1016/j.cplett.2010.02.061] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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