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See detailAntibacterial polyelectrolyte micelles for coating stainless steel
Falentin, Céline ULiege; Faure, Emilie ULiege; Svaldo Lanero, Tiziana ULiege et al

in Langmuir (2012), 28(18), 7233-7241

In this study, we report on the original synthesis and characterization of novel antimicrobial coatings for stainless steel by alternating the deposition of aqueous solutions of positively charged ... [more ▼]

In this study, we report on the original synthesis and characterization of novel antimicrobial coatings for stainless steel by alternating the deposition of aqueous solutions of positively charged polyelectrolytes micelles doped with silver based nanoparticles with a polyanion. The micelles are formed by electrostatic interaction between two oppositely charged polymers, a polycation bearing 3,4-dihydroxyphenylalanine units (DOPA, a major component of natural adhesives) and a polyanion (poly(styrene sulfonate), PSS) without using any block copolymer. DOPA units are exploited for their well-known ability to anchor to stainless steel and to form and stabilize biocidal silver nanoparticles (Ag0). The chlorine counter-anion of the polycation forms and stabilizes biocidal silver chloride nanoparticles (AgCl). We demonstrate that two layers of micelles (alternated by PSS) doped by silver particles are enough to impart to the surface a strong antibacterial activity against Gram-negative E. coli. Moreover, micelles that are reservoirs of biocidal Ag+ can be easily reactivated after depletion. This novel water-based approach is convenient, simple and attractive for industrial applications. [less ▲]

Detailed reference viewed: 176 (17 ULiège)
See detailL'antibiorésistance chez l'animal et ses conséquences
Mainil, Jacques ULiege

Scientific conference (1999, May)

Detailed reference viewed: 17 (0 ULiège)
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See detailL'antibiothérapie en néonatalogie: mise-au-point
Langhendries, JP; Kalenga, Masendu ULiege; Battisti, Oreste ULiege et al

in Journal du Pédiatre Belge (2000), 2

Detailed reference viewed: 92 (11 ULiège)
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See detailAntibiothérapie topique et infections cutanées
Henry, Frédérique ULiege; Nikkels, Arjen ULiege; Pierard-Franchimont, Claudine ULiege et al

in Revue Médicale de Liège (1996), 51(2), 160-162

Les infections cutanées bactériennes, qui restent souvent limitées en extension, méritent un traitement local. Dans cette indication, l'antibiothérapie topique est toujours d'actualité. Le choix du ... [more ▼]

Les infections cutanées bactériennes, qui restent souvent limitées en extension, méritent un traitement local. Dans cette indication, l'antibiothérapie topique est toujours d'actualité. Le choix du médicament doit être guidé par son spectre d'activité. Les risques de développement d'une résistance bactérienne et d'une hypersensibilité allergique à l'antibiotique ou à sa base galénique doivent également être pris en considération. [less ▲]

Detailed reference viewed: 33 (2 ULiège)
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See detailAntibiotherapy in bovine mastitis – Drugs or Therapeutics?
Theron, Léonard ULiege; Hanzen, Christian ULiege

Conference given outside the academic context (2012)

The 21st century is rich in mutations regarding veterinary medicine; society has never been so far from farm animal practices in industrialized countries, and so demanding in developing nations for a ... [more ▼]

The 21st century is rich in mutations regarding veterinary medicine; society has never been so far from farm animal practices in industrialized countries, and so demanding in developing nations for a continuous milk and meat production. Meanwhile, even this great distance in northern nations between agriculture and society, our work has never been so much analyzed for its potential risk on human health and production quality. As health is now globalized, following trade and science, exchange could be the source of several pathological emergences. Focusing on animal health, our responsibility toward “larga manu” use of antibiotics has been identified and criticized. This situation is also happening in a time where, nevertheless our industrialization of agricultural production, ancillary exams are still expensive, and most of the time non valuable regarding a common cattle practice time schedule. So yes, we are mainly still experiencing empirical use of antibiotics like our pairs did, back several decades before. Yet, there exists nowadays many tools to analyze whether our practice could be considered as harmful to humanity survival and good use of priority antibiotics. We therefore have to reconsider our practice of Antibiotherapy, regarding these new challenges and find new ways for medical management of infectious diseases. [less ▲]

Detailed reference viewed: 124 (7 ULiège)
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See detailAntibiotherapy in pet rodents and rabbits: a preliminary analysis of practitioners’ habits
Marlier, Didier ULiege

in Proceedings of the European College of Zoological Medicine Symposium (2016, April)

Detailed reference viewed: 27 (12 ULiège)
See detailAntibiothérpaie chez le chien : choix raisonné et raisonnable
Mainil, Jacques ULiege

Scientific conference (2015, December)

Detailed reference viewed: 21 (0 ULiège)
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See detailAntibiotic action on enzymes involved in peptidoglycan synthesis
Ghuysen, Jean-Marie ULiege; Perkins, HR; Frere, JM et al

in Sund, Horst (Ed.) Protein-ligand interactions : proceedings of a symposium held at the University of Konstanz (1974)

Detailed reference viewed: 5 (0 ULiège)
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See detailThe antibiotic ceftazidime is a singlet oxygen quencher as demonstrated by ultra-weak chemiluminescence and by inhibition of AAP consumption.
Deby, Ginette ULiege; Deby, C.; Mouithys-Mickalad, Ange ULiege et al

in Biochimica et Biophysica Acta (1998), 1379(1), 61-8

We demonstrated that the cephalosporin antibiotic ceftazidime (CAZ) deactivated singlet oxygen (1O2). We then studied the mechanisms of the CAZ effects on the ultra weak chemiluminescence (uwCL ... [more ▼]

We demonstrated that the cephalosporin antibiotic ceftazidime (CAZ) deactivated singlet oxygen (1O2). We then studied the mechanisms of the CAZ effects on the ultra weak chemiluminescence (uwCL) associated with the energy decay of 1O2 generated by the Mallet reaction (H2O2 + HOCl --> HCl + H2O + 1O2), and on the anthracene-9,10-dipropionic acid (AAP) consumption by 1O2 generated by irradiation of Rose Bengal (RB). The uwCL generated by the Mallet reaction was amplified (6.2 times) by CAZ. The use of red and blue filters, which absorb radiation below 610 nm and between 470 and 700 nm respectively, demonstrated that CAZ increased the uwCL by a radiation emission at wavelengths shorter than the 633 and 704 nm wavelength emissions of 1O2. CAZ was excited by scavenging the energy excess of 1O2, which so returned to its fundamental state, while CAZ deactivated with light emission between 430-480 nm. CAZ also inhibited in a dose-dependent manner the consumption of AAP by 1O2 generated by the irradiation of RB. The protection of AAP by 5 x 10(-3) M CAZ was equivalent to that of 10(-3) M histidine and 3 X 10(-6) M sodium azide. This process of 1O2 deactivation will be useful in diseases characterized by an excessive PMN activation with a release of activated oxygen species. [less ▲]

Detailed reference viewed: 106 (18 ULiège)
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See detailAntibiotic compounds from Bacillus: why are they so amazing
Fickers, Patrick ULiege

in American Journal of Biochemistry & Biotechnology (2012), (8), 38-43

Detailed reference viewed: 36 (0 ULiège)
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See detailAntibiotic compounds from Bacillus: why are they so amazing?
Fickers, Patrick ULiege

Conference (2014, April)

Detailed reference viewed: 12 (0 ULiège)
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See detailAntibiotic consumption and bacterial resistance
ZAOUI, Kuider; MELIN, Pierrette ULiege; CHRISTIAENS, Geneviève ULiege et al

Conference (2010, June 25)

Detailed reference viewed: 18 (8 ULiège)
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See detailAntibiotic prescribing in dental practice in Belgium.
Mainjot, Amélie ULiege; D'Hoore, W.; Van Heusden, Alain ULiege et al

in International Endodontic Journal (2009), 42(12), 1112-7

AIM: To assess the types and frequency of antibiotic prescriptions by Belgian dentists, the indications for antibiotic prescription, and dentists' knowledge about recommended practice in antibiotic use ... [more ▼]

AIM: To assess the types and frequency of antibiotic prescriptions by Belgian dentists, the indications for antibiotic prescription, and dentists' knowledge about recommended practice in antibiotic use. METHODOLOGY: In this cross-sectional survey, dental practitioners were asked to record information about all antibiotics prescribed to their patients during a 2-week period. The dental practitioners were also asked to complete a self-administered questionnaire regarding demographic data, prescribing practices, and knowledge about antibiotic use. A random sample of 268 Belgian dentists participated in the survey. RESULTS: During the 2-week period, 24 421 patient encounters were recorded; 1033 patients were prescribed an antibiotic (4.2%). The median number of prescriptions per dentist for the 2 weeks was 3. Broad spectrum antibiotics were most commonly prescribed: 82% of all prescriptions were for amoxycillin, amoxycillin-clavulanic acid and clindamycin. Antibiotics were often prescribed in the absence of fever (92.2%) and without any local treatment (54.2%). The most frequent diagnosis for which antibiotics were prescribed was periapical abscess (51.9%). Antibiotics were prescribed to 63.3% of patients with periapical abscess and 4.3% of patients with pulpitis. Patterns of prescriptions were confirmed by the data from the self-reported practice. CONCLUSIONS: Discrepancies between observed and recommended practice support the need for educational initiatives to promote rational use of antibiotics in dentistry in Belgium. [less ▲]

Detailed reference viewed: 57 (4 ULiège)
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See detailAntibiotic Producing Bacteria : Researches and Perspectives
Tenconi, Elodie ULiege

Poster (2011)

Detailed reference viewed: 2 (0 ULiège)
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See detailThe antibiotic resistance in the environment
Bardiau, Marjorie ULiege

Conference (2015, October)

Detailed reference viewed: 17 (0 ULiège)
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See detailAntibiotic resistance trend of Staphylococcus aureus isolated between 2010 and 2012 from mastitis cases in Azawak zebu in Niger
Issa Ibrahim, Abdoulkarim ULiege; Duprez, Jean-Noël ULiege; Bada-Alambedji, Rianatou et al

in African Journal of Microbiology Research (2014), 8((35)), 3271-3275

Detailed reference viewed: 36 (10 ULiège)
See detailAntibiotic resistance: lessons from the soil
Rigali, Sébastien ULiege

Scientific conference (2012)

Detailed reference viewed: 7 (1 ULiège)
See detailAntibiotic resistance: lessons from the soil
Rigali, Sébastien ULiege

Scientific conference (2011)

Detailed reference viewed: 3 (1 ULiège)