Výsledky vyhledávání - "Jelena Pajovic"

Akademický článek

Microspectrofluorimetry to dissect the permeation of ceftazidime in Gram-negative bacteria

Autor: Anas Allam, Laure Maigre, Julia Vergalli, Estelle Dumont, Bertrand Cinquin, Rodolphe Alves de Sousa, Jelena Pajovic, Elizabeth Pinet, Nikaia Smith, Jean-Philippe Herbeuval, Matthieu Réfrégiers, Isabelle Artaud, Jean-Marie Pagès

Publikováno v: Scientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)

Abstract A main challenge in chemotherapy is to determine the in cellulo parameters modulating the drug concentration required for therapeutic action. It is absolutely urgent to understand membrane permeation and intracellular concentration of antibi

Externí odkaz: https://doaj.org/article/ca80691df79d435fac589a85f21b0920

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Velocity Map Imaging VUV Angle-Resolved Photoemission on Isolated Nanosystems: Case of Gold Nanoparticles

Autor: Vladimir Djoković, Olivier Sublemontier, Jelena Pajovic, Dušan K. Božanić, Laurent Nahon, Gustavo A. Garcia

Publikováno v: Journal of Physical Chemistry C
Journal of Physical Chemistry C, American Chemical Society, 2020, 124 (44), pp.24500-24512. ⟨10.1021/acs.jpcc.0c08152⟩
The Journal of Physical Chemistry C
Journal of Physical Chemistry C, 2020, 124 (44), pp.24500-24512. ⟨10.1021/acs.jpcc.0c08152⟩

International audience; We present an angle-resolved photoelectron spectroscopy study on isolated gold nanoparticles in the photon energy range between 6 and 12 eV performed at the DESIRS beamline of Synchrotron SOLEIL with a velocity map imaging spe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d00c854c22bc1733df24edb6e8211dd9
https://doi.org/10.1021/acs.jpcc.0c08152

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Fluorescence microscopy and photodielectric characterization studies of the composite films of polyvinyl alcohol and tryptophan functionalized silver nanoparticles

Autor: Duško Dudić, Vladimir Djoković, D. Tošić, Jelena Pajovic, Dušan K. Božanić, Radovan Dojčilović, Matthieu Réfrégiers

Publikováno v: Colloids and Surfaces A: Physicochemical and Engineering Aspects
Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2022, 634, pp.128050. ⟨10.1016/j.colsurfa.2021.128050⟩
Colloids and Surfaces. A: Physicochemical and Engineering Aspects
Colloids and Surfaces A: Physicochemical and Engineering Aspects, Elsevier, 2022, 634, pp.128050. ⟨10.1016/j.colsurfa.2021.128050⟩

Fluorescent nanocomposite films were prepared by solution mixing of polyvinyl alcohol (PVA) and tryptophan functionalized silver (AgTrp) nanoparticles. Synchrotron excitation deep-ultraviolet (DUV) fluorescence imaging was used to follow the distribu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb22606d08ab95dd65832205cd535466
https://hal.science/hal-03468262/document

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A fluorescent nanoprobe for single bacterium tracking: functionalization of silver nanoparticles with tryptophan to probe the nanoparticle accumulation with single cell resolution

Autor: Suzana Dimitrijević-Branković, Aleksandar R. Milosavljević, Jelena Pajovic, Radovan Dojčilović, Vesna Vodnik, Matthieu Réfrégiers, Dušan K. Božanić, Vladimir Djoković, Slavka Kascakova

Publikováno v: Analyst

The investigation of the interaction of silver nanoparticles and live bacteria cells is of particular importance for understanding and controlling their bactericidal properties. In this study, the process of internalization of silver nanoparticles in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3fae62c036a657519e6dfb128b41513
https://doi.org/10.1039/c5an02358k

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Mechanistic aspects of maltotriose-conjugate translocation to the Gram-negative bacteria cytoplasm

Autor: Jean-Marie Pagès, Dmitrijs Lubriks, Jelena Pajovic, Koldo Morante, Satya Prathyusha Bhamidimarri, Jiajun Wang, Robert A. Stavenger, Julia Vergalli, Mathias Winterhalter, Estelle Dumont, Edgars Suna, Matthieu Réfrégiers

Publikováno v: Life Science Alliance
Life Science Alliance, 2018, 2 (1), pp.e201800242. ⟨10.26508/lsa.201800242⟩
Life Science Alliance, Life Science Alliance LLC, 2018, 2 (1), pp.e201800242. ⟨10.26508/lsa.201800242⟩

A maltotriose-conjugate can deliver molecules into the cytoplasmic space of Gram-negative bacteria by parasitizing the maltose uptake pathway.
Small molecule accumulation in Gram-negative bacteria is a key challenge to discover novel antibiotics

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98acb04d8330be2419a22d3617ce17ca
https://pubmed.ncbi.nlm.nih.gov/30620010

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Antibiotics and efflux: combined spectrofluorimetry and mass spectrometry to evaluate the involvement of concentration and efflux activity in antibiotic intracellular accumulation

Autor: Michael Mourez, Jean-Marie Pagès, Julia Vergalli, Laurence Conraux, Carine Taillier, Jelena Pajovic, Estelle Dumont, Matthieu Réfrégiers, Aurélie Vassort

Publikováno v: The Journal of antimicrobial chemotherapy. 74(1)

Background In Gram-negative bacteria, passing through the double membrane barrier to reach the inhibitory concentration inside the bacterium is a pivotal step for antibiotic activity. Spectrofluorimetry has been developed to follow fluoroquinolone ac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5ac3ae9cb48c403ca843f0ebe37e42b
https://pubmed.ncbi.nlm.nih.gov/30325444

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Spectrofluorimetric quantification of antibiotic drug concentration in bacterial cells for the characterization of translocation across bacterial membranes

Autor: Laure Maigre, Jelena Pajovic, Bertrand Cinquin, Jean-Marie Pagès, Muriel Masi, Julia Vergalli, Matthieu Réfrégiers, Estelle Dumont

Publikováno v: Nature Protocols
Nature Protocols, Nature Publishing Group, 2018, 13 (6), pp.1348-1361. ⟨10.1038/nprot.2018.036⟩
Nature Protocols, 2018, 13 (6), pp.1348-1361. ⟨10.1038/nprot.2018.036⟩

International audience; The efficacy of antibacterial molecules depends on their capacity to reach inhibitory concentrations in the vicinity of their target. This is particularly challenging for drugs directed against Gram-negative bacteria, which ha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::660251e4170e060504c0516addb4ab86
https://hal-amu.archives-ouvertes.fr/hal-01824361

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DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells

Autor: Vladimir Djoković, Miroslav D. Dramićanin, Jelena Pajovic, Ivana Zeković, Dušan K. Božanić, Branislav Vlahovic, Nataša Jović, Slavka Kascakova, Vera P. Pavlović, Matthieu Réfrégiers, Radovan Dojčilović, Vladimir B. Pavlović, Lea Lenhardt Acković, Goran Rasic

Publikováno v: 2D Materials
2d Materials

The interaction of partially reduced graphene oxide (prGO) and Huh7.5.1 liver cancer cells was investigated by means of DUV fluorescence bioimaging. The prGO sample was obtained by the reduction (to a certain extent) of the initially prepared graphen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5dbc544760842d8b1e1e0fc7fd1821f7
https://dais.sanu.ac.rs/bitstream/id/14396/dojcilovic2018.pdf

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Fluorescence enlightens RND pump activity and the intrabacterial concentration of antibiotics

Autor: Jelena Pajovic, Julia Vergalli, Matthieu Réfrégiers, Jean-Marie Pagès, Estelle Dumont, Muriel Masi

Publikováno v: Research in Microbiology
Research in Microbiology, Elsevier, 2018, 169 (7-8), pp.432-441. ⟨10.1016/j.resmic.2017.11.005⟩
Research in Microbiology, 2018, 169 (7-8), pp.432-441. ⟨10.1016/j.resmic.2017.11.005⟩

International audience; To understand the antibiotic resistance in Gram-negative bacteria, a key point is to investigate antibiotic accumulation which is defined by influx and efflux. Several methods exist to evaluate the membrane permeability and ef

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a8fd54658d5799ab1ec5a46b781b684
https://pubmed.ncbi.nlm.nih.gov/29208490

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Microspectrofluorimetry to dissect the permeation of ceftazidime in Gram-negative bacteria

Autor: Laure Maigre, Jean-Marie Pagès, Anas Allam, Julia Vergalli, Jelena Pajovic, Jean-Philippe Herbeuval, Elizabeth Pinet, Nikaïa Smith, Estelle Dumont, Bertrand Cinquin, Rodolphe Alves de Sousa, Matthieu Réfrégiers, Isabelle Artaud

Publikováno v: Scientific Reports
Scientific Reports, Nature Publishing Group, 2017, 7, pp.986. ⟨https://www.nature.com/articles/s41598-017-00945-8⟩. ⟨10.1038/s41598-017-00945-8⟩
Scientific Reports, Nature Publishing Group, 2017, 7 (1), pp.986. ⟨10.1038/s41598-017-00945-8⟩
Scientific Reports, Nature Publishing Group, 2017, 7, pp.986. 〈https://www.nature.com/articles/s41598-017-00945-8〉. 〈10.1038/s41598-017-00945-8〉
Scientific Reports, 2017, 7 (1), pp.986. ⟨10.1038/s41598-017-00945-8⟩
Scientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)

International audience; A main challenge in chemotherapy is to determine the in cellulo parameters modulating the drug concentration required for therapeutic action. It is absolutely urgent to understand membrane permeation and intracellular concentr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15971de99f239b702b1a57d18440529d
https://hal.archives-ouvertes.fr/hal-01511162

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