Organo‐Ptii Complexes for Potent Photodynamic Inactivation of Multi‐Drug Resistant Bacteria and the Influence of Configuration
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DOI: 10.1002/advs.202306936
Abstract: PtII based organometallic photosensitizers (PSs) have emerged as novel potent photodynamic inactivation (PDI) reagents through their enhanced intersystem crossing (ISC) processes. Currently, few PtII PSs have been investigated as antibacterial materials, with relatively poor performances… read more here.
Keywords: potent photodynamic; drug resistant; photodynamic inactivation; multi drug ... See more keywords
Porphyrin−BODIPY Dyad: Enhancing Photodynamic Inactivation via Antenna Effect
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DOI: 10.1002/cbic.202400138
Abstract: A porphyrin−BODIPY dyad (P−BDP) was obtained through covalent bonding, featuring a two‐segment design comprising a light‐harvesting antenna system connected to an energy acceptor unit. The absorption spectrum of P−BDP resulted from an overlap of the… read more here.
Keywords: dyad; porphyrin bodipy; bodipy dyad; photodynamic inactivation ... See more keywords
Photodynamic Inactivation of Bacteria Using Nickel(II) Complexes with Catecholate and Phenanthroline Ligands
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DOI: 10.1002/cbic.202400678
Abstract: Metal complexes activated by light can combat infections by triggering the photodynamic inactivation of bacteria. Herein, we report six mixed‐ligand nickel(II) complexes with the formulation [Ni(NN)2(L)] (1–6), where NN represents an N,N‐donor phenanthroline ligand, specifically… read more here.
Keywords: nickel complexes; inactivation bacteria; photodynamic inactivation; inactivation ... See more keywords
Near-infrared photodynamic inactivation of S. pneumoniae and its interaction with RAW 264.7 macrophages.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of biophotonics"
DOI: 10.1002/jbio.201600283
Abstract: Pneumonia is the main cause of children mortality worldwide, and its major treatment obstacle stems from the microorganisms increasing development of resistance to several antibiotics. Photodynamic therapy has been presenting, for the last decades, promising… read more here.
Keywords: raw 264; 264 macrophages; near infrared; pneumoniae ... See more keywords
Antimicrobial photodynamic inactivation is potentiated by the addition of selenocyanate: Possible involvement of selenocyanogen?
Sign Up to like & getrecommendations! Published in 2018 at "Journal of biophotonics"
DOI: 10.1002/jbio.201800029
Abstract: We previously showed that antimicrobial photodynamic inactivation (aPDI) of Gram-positive and Gram-negative bacteria mediated by the phenothiazinium dye, methylene blue (MB), was potentiated by the addition of potassium thiocyanate (10 mM). The mechanism was suggested… read more here.
Keywords: selenocyanogen; antimicrobial photodynamic; photodynamic inactivation; potentiated addition ... See more keywords
Optimization of the photodynamic inactivation of prions by a phthalocyanine photosensitizer: The crucial involvement of singlet oxygen.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of biophotonics"
DOI: 10.1002/jbio.201800430
Abstract: Prion disorders are fatal neurodegenerative diseases caused by the autocatalytic conversion of a natively occurring prion protein (PrPC ) into its misfolded infectious form (PrPTSE ). The proven resistance of PrPTSE to common disinfection procedures… read more here.
Keywords: prion; singlet oxygen; inactivation; photodynamic inactivation ... See more keywords
Photoinactivation of mycobacteria to combat infection diseases: current state and perspectives
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DOI: 10.1007/s00253-021-11349-0
Abstract: Abstract The spread of multi-drug-resistant bacterial strains causing serious infectious diseases dictates the development of new approaches to combat these diseases. In addition to drug resistance, the important causative agent of tuberculosis (Mycobacterium tuberculosis (Mtb))… read more here.
Keywords: combat; photoinactivation mycobacteria; drug; tuberculosis ... See more keywords
Enhancement of photodynamic inactivation of Staphylococcus aureus biofilms by disruptive strategies
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DOI: 10.1007/s10103-017-2253-3
Abstract: Photodynamic inactivation (PDI) has been used to inactivate microorganisms through the use of photosensitizers and visible light. On the one hand, near-infrared treatment (NIRT) has also bactericidal and dispersal effects on biofilms. In addition, dispersal… read more here.
Keywords: staphylococcus aureus; aureus biofilms; microscopy; photodynamic inactivation ... See more keywords
Graphitic carbon nitride (g-C3N4)-based nanostructured materials for photodynamic inactivation: Synthesis, efficacy and mechanism
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DOI: 10.1016/j.cej.2020.126528
Abstract: Abstract Photodynamic inactivation that can directly utilize renewable solar energy for sterilization has attracted widespread attention in countering global environment deterioration and bacterial pollution. Graphitic carbon nitride (g-C3N4), a metal-free polymeric semiconductor with a mild… read more here.
Keywords: c3n4 based; based nanostructured; inactivation; nanostructured materials ... See more keywords
Non-porphyrinoid photosensitizers mediated photodynamic inactivation against bacteria
Sign Up to like & getrecommendations! Published in 2019 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2018.12.014
Abstract: Abstract Nowadays we are approaching the “post-antibiotic era,” and the multi-drug resistant bacteria become a serious problem. Thus, the new strategies of infection treatment are extensively searching. Among others, an interesting method is photodynamic antimicrobial… read more here.
Keywords: photosensitizers mediated; inactivation bacteria; photodynamic inactivation; non porphyrinoid ... See more keywords
Photodynamic inactivation of Salmonella enterica Enteritidis by 405 ± 5-nm light-emitting diode and its application to control salmonellosis on cooked chicken
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DOI: 10.1016/j.foodcont.2017.06.040
Abstract: Abstract A 405 ± 5-nm LED illumination was evaluated for its antibacterial effect against Salmonella Enteritidis in phosphate buffered saline (PBS) and on the surface of cooked chicken. Its antibacterial mechanism was also elucidated by determining the… read more here.
Keywords: cooked chicken; illumination; control; inactivation salmonella ... See more keywords