Activity of L(+)-lactic acid against enveloped viruses / Felix Weiher in GLOBAL PERSONAL CARE, Vol. 22, N° 10 (11/2021)  

[article]  inGLOBAL PERSONAL CARE > Vol. 22, N° 10 (11/2021) . - p. 91-93 Titre : Activity of L(+)-lactic acid against enveloped viruses Type de document : texte imprimé Auteurs : Felix Weiher, Auteur ; Alina Böhringer, Auteur ; Natalie Dietz, Auteur Année de publication : 2021 Article en page(s) : p. 91-93 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antimicrobiens Désinfectants Formulation (Génie chimique) Lactique, Acide L'acide lactique est un acide organique qui joue un rôle dans divers processus biochimiques. Un lactate est un sel de cet acide. Contrairement à ce que peut laisser penser son nom, l'acide lactique n'est pas présent uniquement dans le lait, mais également dans le vin, certains fruits et légumes, et dans les muscles. L'acide lactique est un acide alpha hydroxylé, sa formule chimique est C3H6O3 et sa structure se reflète dans son nom systématique, l'acide 2-hydroxypropanoïque. Tests d'efficacité Virucides Index. décimale : 668.5 Parfums et cosmétiques Résumé : Demand is increasing for efficient, yet more natural, sustainable and less hazardous active ingredients in surface and skin disinfectants. L(+)- lactic acid is one of few truly biobased active substances, being derived from renewable raw materials via fermentation and readily biodegradable. It is the ideal ingredient to improve the green profile of surface or hand disinfectants without compromising on efficacy. This paper describes L(+)-lactic acid as an active ingredient with dual power against enveloped viruses and bacteria, with the main focus on its virucidal activity. An official EN standard test protocol was used to demonstrate the virucidal activity of Jungbunzlauer’s L(+)- lactic acid against enveloped viruses. Note de contenu : - Antiviral efficacy inspired by nature - Virucidal formulations in demand - Experimental part - Results & discussion - Regulations & safety - Fig. 1 : Claims for virucidal activity of products - Table 1 : Results of screening step 1 against vaccina virus (MVA, dirty conditions, 20°C) - Table 2 : Results of full EN14476 against vaccinia virus (MVA, dirty conditions, 20°C) - Table 3 : Formulation A for the ful EN14476 tests - Table 4 : Results of different concentrations of formulation A in a full EN14476 against vaccinia virus (MVA, dirty conditions, 20°C) En ligne : https://drive.google.com/file/d/1a7B-OlAC7tI88YPiQ3S3-CjCx4JHNL0o/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36936 [article]

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Biologically inspired fighting germs using HCIO hydrogels with smectites / Jessica Gödeker in SOFW JOURNAL, Vol. 148, N° 12 (12/2022)  

[article]  inSOFW JOURNAL > Vol. 148, N° 12 (12/2022) . - p. 2-7 Titre : Biologically inspired fighting germs using HCIO hydrogels with smectites Type de document : texte imprimé Auteurs : Jessica Gödeker, Auteur ; Anne Drewer, Auteur ; Tom Lamont, Auteur Année de publication : 2022 Article en page(s) : p. 2-7 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Acide hypochloreux Argile Chlore Désinfectants Désinfection Détergents Formulation (Génie chimique) Hectorite hydrocolloïdes Hygiène Laponite Rhéologie Smectite Thixotropie Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : Hypochlorous acid (HClO) is formed in the white blood cells of all mammals. As part of a mechanism that developed several millions of years ago, it also helps the human body to protect against pathogens that enter it. This makes the weak acid a nature-based option for disinfection. Despite this, a disadvantage of water-thin solutions of hypochlorous acid is that they have significantly limited anti-microbial potential due to the reduced contact time. Hydrogels overcome this limitation and lead to improved and more sustainable use. Due to the high reactivity of hypochlorous acid, common additives such as polymer thickeners and natural clays are not suitable. Synthetic smectite clays – of which the presented PURABYK-R 5500 is one example – are very similar in structure to natural clays. However, due to their subsequent technical development, synthetic smectite clays exhibit better stability and are therefore very well suited to forming these hydrogels. They stabilize the hypochlorous acid in the required pH value range and are free from components that impair the activity of HClO. These unique additives are produced under controlled conditions from naturally occurring inorganic mineral sources. They offer the possibility of using structures from nature, paired with a very high purity and consistent quality. Their great potential is presented here using PURABYK-R 5500 as an example. Note de contenu : - INTRODUCTION : Hypochlorous acid - an effective nature-based weapon for combatting germs - HCIO-based hydrogels - a challenging system - PURABYK-R 5500 - a new, modified phyllosilicate with improved compatibility - MATERIALS AND METHODS : Formulation of the hydrogel with PURABYK-R 5500 - A more in-depth reflection - high-resolution procedure for forming the nanostructures - RESULTS AND DISCUSSION : Micro- and macro-morphology using TEM and AFM - Viscosity behavior of the hydrogel - thixotropy and yield point - Biocide effectiveness - influence of PURABYK-R 5500 - Table 1 : Formulation of the hydrogel En ligne : https://drive.google.com/file/d/1zGfLvdCzX9ayCPFPutQAIz8mnUSThkhg/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38571 [article]

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Detergents and cleaning products / Klaus Henning in SOFW JOURNAL, Vol. 144, N° 7-8 (07-08/2018)  

[article]  inSOFW JOURNAL > Vol. 144, N° 7-8 (07-08/2018) . - p. 30-38 Titre : Detergents and cleaning products : 10th International Fresenius Conference, 26-27 April 2018, Mainz/Germany Type de document : texte imprimé Auteurs : Klaus Henning, Auteur Année de publication : 2018 Article en page(s) : p. 30-38 Langues : Anglais (eng) Catégories : Antimicrobiens Approvisionnement dans l'entreprise Chaine logistique Congrès et conférences Dégraissage (nettoyage) Désinfectants Détergents Emulsions Essais (technologie) Huile de palme et constituants Innovations Microorganismes Nettoyage Produits nettoyants Rinçage Textiles et tissus -- Lavage Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : The 10th International Fresenius Conference on "Detergents and Cleaning Products" took place in the Atrium Hotel Mainz with almost 200 participants. The lecture topics reported on actual trends and drivers in the European household laundry and care market, on performance testings of machine and hand dish detergents, on an update on disinfectants under the BPR options and of the revision of the Nordic Swan Ecolabel. Current issues in laundry hygiene at low washing temperatures and the occurrence of B-lactamases in washing machines as well as of microbial loads in food-associated appliances were discussed. By means of a model for a smelly washing machine, the appearance of malodor in washing machines can be simulated, so that by microbiota analysis a strain selection and identification of fungi and bacteria becomes possible. Note de contenu : - Markets and trends - Aspects of hygiene - Innovations - Environmental aspects - Testing and performance - Fig. 1 : IKW soils under US diswashing conditions - Fig. 2 : Alternative and relevant soils of the US market - Fig. 3 : Antimicrobial effect of hot coffee (1 min) (Master's thesis : Jan schages, Rhine-Waal University of Applied Sciences, Kleve, Germany) - Fig. 4 : Enhance of fabric care by reducing fuzz and pills after 20 washes (Novozymes A/S) - Fig. 5 : Boosting of washing performance by the addition of protease Lavergy Pro 104 L and ot the polymer Sokalan HP 20 despite of reducing the washing temperature of 10°C (from 30°C to 20°C) (BASF) - Fig. 6 : Palm oil supply chain (RSPO) - Fig. 7 : Emulsification test with evaluation of rinsing performance (SGS Fresenius) - Table 1 : Status of the active substances of disinfectants - Table 2 : Deadline status for selected active substances of disinfectants - Table 3 : Frequently identified microorganisms in coffee (MALDI-TOF) - Table 4 : Claims of branders in ADW products (France, Belgium, Italy and Spain, launched in 2014-2017) En ligne : https://drive.google.com/file/d/1ZzZEQqvvFXc02Y9XFXY-xcK30CxQKmT9/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30911 [article]

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Detergents and cleaning products / Klaus Henning in SOFW JOURNAL, Vol. 142, N° 12 (12/2016)  

[article]  inSOFW JOURNAL > Vol. 142, N° 12 (12/2016) . - p. 68-78 Titre : Detergents and cleaning products : 9th International Fresenius Conference, 19-20 April 2016, Mainz, Germany, Part I Type de document : texte imprimé Auteurs : Klaus Henning, Auteur Année de publication : 2016 Article en page(s) : p. 68-78 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antiseptiques Congrès et conférences Désinfectants Détergents Essais (technologie) Etiquetage écologique Hygiène Hygiène du travail Produits nettoyants Surfactants Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : The International Fresenius Conference on "Detergents and Cleaning Products" took place in the Atrium Hotel Mainz with 1 almost 200 participants. The presentations reported that current trends and drivers in the European household care market are characterised by changing consumer behaviour towards energy and water saving, as well as by innovative product launches. These market developments are attributable to novel ingredients such as amylases, with improved efficacy for dishwashing detergents, and biocide booster for effective and sustainable product preservation, as well as special technologies such as the encapsulation of actives for laundry. Efficiency testing methods for manual and automatic dishwashing products, as well as for new washing technologies, were presented. Regulatory developments concerning the EU Ecolabel for six detergent product groups and new detergent product groups for the environmental label Blue Angel were described. The future impact of the Biocidal Products Regulation on formulators of cleaning and disinfecting products was discussed in detail. Note de contenu : - TRENDS AND PRODUCT DEVELOPMENTS : Sustainability and natural values - HEALTH AND WELLNESS - TRENDS IN HOME HYGIENE : Home hygiene and infection transmission - Hygiene status and standards - hygiene hypothesis - Critical areas in the home and their evaluation by consumers - Future hygiene challenges - Influence of disinfectants and antiseptics on the development of antibiotic resistance - STUDIES AND TESTING METHODS - REMOVAL OF GREASY RESIDUES AND LIMESCALE IN DISWASHERS : Grease removal performance of dishwashers - Performance test methods for hand diswashing detergents - TESTING FOR CONSUMER PURPOSES - GLOBAL OVERVIEW OF SURFACTANTS IN CLEANING APPLICATIONS - TOWARDS AN OFFICIAL DEFINITION OF BIO-BASED SURFACTANTS IN EUROPE - BLUE ANGEL ENVIRONMENTAL LABEL FOR NEW DETERGENT GROUPS : Categories I : Laundry detergents - Diswashing detergents - Hand diswashing detergents - Categories II : Industrial and instutional automatic dishwasher detergents - Categories III : All-purpose cleaners and sanitary cleaners En ligne : https://drive.google.com/file/d/1m7FlVxoh_NvcU8e68tK-rmTu_ey1dB4R/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27874 [article]

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Disinfectant with prolonged efficacy against microorganisms without leaving chemical deposits on the surface / Klaus Henning in SOFW JOURNAL, Vol. 147, N° 6 (06/2021)  

[article]  inSOFW JOURNAL > Vol. 147, N° 6 (06/2021) . - p. 38-42 Titre : Disinfectant with prolonged efficacy against microorganisms without leaving chemical deposits on the surface Type de document : texte imprimé Auteurs : Klaus Henning, Auteur Année de publication : 2021 Article en page(s) : p. 38-42 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antimicrobiens Désinfectants Formulation (Génie chimique) Polymères Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : A disinfectant composition having prolonged activity against microorganisms contains a biocide, particularly chlorhexidine or biguanide such as polyhexamethylene biguanide, in combination with a film-forming component including polyvinyl alcohol, polyvinyl pyrrolidone or polyalkylene glycol, and optionally a tertiary amine. The disinfectant composition forms a film on a hard surface that is abrasion resistant and exhibits biocidal activity over an extended period of time while being fully dispersible in water. Note de contenu : - Effectiveness of disinfectants - Disinfectant with rapid microbial elimination and sustained efficacy - Composition - Biocide - Film-forming component - Evaporant - Other components - Biguanides - Chlorhexidine - Quarternary ammonium cation - Disinfectant content - Examples : Preparation of Formulation - Micro-efficacy test - Fig. 1 : Polyhexamethylene biguanide (PHMB) - Fig. 2 : PHMB-AA, PHMB-CGCG, PHMB-GG - Fig. 3 : Chlorhexidine - Table 1 and 2 : Components of the polymer base formulations - Table 3 : Screening test results to determine the efficacy of the biocides against P. aeruginosa - Table 4 : Screening test results against P. aeruginosa without and after 12 dry frictions - Table 5 : N,N-bis(3-aminopropyl)dodecylamine/PVOH formulation - Table 6 : Germ reduction P. aeruginosa after 8 or 12 hours waiting time after treatment with formulation according to Table 4 En ligne : https://drive.google.com/file/d/1qak4EdXIb4ITBI-RGhp07s-5sEVH1LIV/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35974 [article]

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Disinfecting agent with virucidal and antiseptic properties based on alcohol and phosphonate in SOFW JOURNAL, Vol. 146, N° 6 (06/2020)  

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Disinfection yesterday, today and tomorow - Effective chemistry in the fight against a global viral danger / Mark Squire in SOFW JOURNAL, Vol. 147, N° 1-2 (01-02/2021)  

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Eco-friendly disinfection with lactic acid / Katja von Nessen in SOFW JOURNAL, Vol. 143, N° 10 (10/2017)  

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Formulation guide in PERSONAL CARE EUROPE, Vol. 4, N° 1 (03/2011)  

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Gels ou solutions hydroalcooliques / Stéphane Pirnay in PARFUMS COSMETIQUES ACTUALITES, N° 210 (12/2009)  

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Green bacterial disinfection with lactic acid / Felix Weiher in SOFW JOURNAL, Vol. 142, N° 10 (10/2016)  

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Hand sanitisers for COVID protection and more / Andrew Warmington in GLOBAL PERSONAL CARE, Vol. 23, N° 3 (03/2022)  

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Haut les mains ! in ADDIACTIVE, N° 119 (2022)  

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Improving the efficacy and skin feel of hand sanitisers / Coralie Alonso in GLOBAL PERSONAL CARE, Vol. 23, N° 9 (10/2022)  

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In the wake of COVID 19 : Should sodium hypochlorite disinfectant be used on automotive plastics & paints ? / Majoj Praharaj Bhatnagar in PAINTINDIA, Vol. LXXI, N° 3 (03/2021)  

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Microbicides for the protection of materials. A handbook / Wilfried Paulus / Londres [Royaume-Uni] : Chapman and Hall (1993)

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Modern ready to use disinfecting wipes - What you need to know / A. Bhattcharya in SOFW JOURNAL, Vol. 149, N° 10 (10/2023)  

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Moisturizing effect of alcohol-based hand rub containing okra polysaccharide / Mayuree Kanlayavattanakul in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 34, N° 3 (06/2012)  

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Natural coconut-derived antimicrobial active / Jocel Chico in GLOBAL PERSONAL CARE, Vol. 24, N° 9 (10/2023)  

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Nature-based rheology modifiers and emollients for alcohol-based formulations / Tuttu Nuutinen in SOFW JOURNAL, Vol. 146, N° 9 (09/2020)  

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