{"title":"The biodeterioration of polymer emulsions and its prevention with biocides","authors":"John Gillatt","doi":"10.1016/0265-3036(90)90060-K","DOIUrl":"10.1016/0265-3036(90)90060-K","url":null,"abstract":"<div><p>Polymer emulsions, also referred to as polymer dispersions, latices, latex emulsions or latex dispersions are used in an increasingly wide variety of applications including production of emulsion paints, adhesives, paper and textile coatings, non-woven fabrics and carpet-backing compounds.</p><p>The pH of these polymer emulsions varies greatly, being acidic in the case of some EVA and PVA types whilst some acrylic, styrene acrylic and styrene butadiene products can be relatively alkaline.</p><p>Many types are susceptible to biodeterioration by micro-organisms, although growth will depend on a number of environmental and nutritional factors.</p><p>Once growth occurs, a number of effects may be noticed including viscosity changes, production of gases and odours, colour changes and enzyme production with concomitant effects on manufactured end products.</p><p>Microbiological infection and its effects can be avoided by controlling the quality of and use of less susceptible raw materials and intermediates, by improving plant design, cleanliness and hygiene and by the use of effective, broad spectrum biocides.</p></div>","PeriodicalId":13629,"journal":{"name":"International Biodeterioration","volume":"26 2","pages":"Pages 205-216"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0265-3036(90)90060-K","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81113104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mechanisms of woody plant defences against insects search for pattern","authors":"A.J. Hayes","doi":"10.1016/0265-3036(90)90046-A","DOIUrl":"10.1016/0265-3036(90)90046-A","url":null,"abstract":"","PeriodicalId":13629,"journal":{"name":"International Biodeterioration","volume":"26 1","pages":"Pages 83-84"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0265-3036(90)90046-A","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76754101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The loss of biological activity of the preservative bronopol associated with Fusarium solani","authors":"J.L. Thomas , M.O. Moss","doi":"10.1016/0265-3036(90)90025-3","DOIUrl":"10.1016/0265-3036(90)90025-3","url":null,"abstract":"<div><p>An aqueous antacid formulation normally protected from the growth of microbial contaminants, including opportunist pathogens, with the synthetic preservative Bronopol (2-bromo-2-nitropropane-1,3-diol) became contaminated with <em>Fusarium solani</em>. Contamination with <em>F. solani</em>, at levels below those which would be detected by routine quality control, resulted in the loss of antimicrobial protection. Not only was <em>F. solani</em> relatively resistant to Bronopol but it was able to grow and sporulate in the liquid antacid formulation, in which Bronopol was the only demonstrable source of nitrogen.</p></div>","PeriodicalId":13629,"journal":{"name":"International Biodeterioration","volume":"26 5","pages":"Pages 327-335"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0265-3036(90)90025-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79689292","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Industrial biocide formulation — The way forward","authors":"J.A. Parr","doi":"10.1016/0265-3036(90)90063-D","DOIUrl":"10.1016/0265-3036(90)90063-D","url":null,"abstract":"<div><p>Increasing legislative requirements and the necessity for greater environmental acceptability have emphasised the need for either new, or carefully selected blends of existing, biocides. Blending of existing biocides offers a means of providing broad-spectrum antimicrobial activity, the possibility of synergy and avoids the high cost of screening new molecules. This paper discusses the advantages and disadvantages of this approach and illustrates the properties of new formulations utilising mixtures of commercially available biocides. Laboratory data are presented on the performance of formulations for the preservation of cosmetics and toiletries.</p><p>The performance of new formulations for use as industrial biocides in metal-working fluids and water treatment applications is discussed.</p></div>","PeriodicalId":13629,"journal":{"name":"International Biodeterioration","volume":"26 2","pages":"Pages 237-244"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0265-3036(90)90063-D","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77500394","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mechanisms of action of biocides","authors":"S.P. Denyer","doi":"10.1016/0265-3036(90)90050-H","DOIUrl":"10.1016/0265-3036(90)90050-H","url":null,"abstract":"<div><p>Detailed studies have clearly demonstrated that few biocides can be considered now as general cell poisons. Biocidal action may result through physicochemical interaction with microbial target structures, specific reactions with biological molecules, or disturbance of selected metabolic or energetic processes. Mechanism of action studies, if intelligently applied, can provide direction to the development of novel biocides and biocidal systems.</p></div>","PeriodicalId":13629,"journal":{"name":"International Biodeterioration","volume":"26 2","pages":"Pages 89-100"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0265-3036(90)90050-H","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84267201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Preservation in the tannery","authors":"Wolfgang Lindner, Hans-Ulrich Neuber","doi":"10.1016/0265-3036(90)90059-G","DOIUrl":"10.1016/0265-3036(90)90059-G","url":null,"abstract":"<div><p>In tanneries microorganisms are provided with environments suitable for growth. The proteins and fats in the hide represent an ideal source of nutrients for bacterial and fungal growth. In particular, pickled pelts, wetblues and vegetable-tanned moist leathers are prone to mould growth when stored or shipped.</p><p>In the past, preservatives were expected primarily to provide effective protection, but in more recent years concern over potential ecological hazards has become more important. Worries over environmental pollution have led to pentachlorophenol-containing preservatives being replaced in most tanneries in Europe.</p><p>This paper presents some new aspects of leather preservation with modern heterocyclic fungicides.</p><p>The analysis of fungicides on wetblues shows the penetration behaviour of the heterocyclics throughout the pelt. The advantages of the combination of penetrating and surface-active materials are stressed.</p><p>Results of laboratory experiments with new fungicides are presented. The fungicidal effectiveness on wetblues has been examined by simple microbiological and analytical tests.</p></div>","PeriodicalId":13629,"journal":{"name":"International Biodeterioration","volume":"26 2","pages":"Pages 195-203"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0265-3036(90)90059-G","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75332443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Biodeterioration research 2","authors":"Dr Brian Crook","doi":"10.1016/0265-3036(90)90028-6","DOIUrl":"10.1016/0265-3036(90)90028-6","url":null,"abstract":"","PeriodicalId":13629,"journal":{"name":"International Biodeterioration","volume":"26 5","pages":"Pages 349-350"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0265-3036(90)90028-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78760223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"New rapid methods for the identification of sulphate-reducing bacteria","authors":"Christine Gaylarde, Paul Cook","doi":"10.1016/0265-3036(90)90026-4","DOIUrl":"10.1016/0265-3036(90)90026-4","url":null,"abstract":"<div><p>Methods currently in use for the identification of sulphate-reducing bacteria are time-consuming relying on biochemical and cultural characteristics. Two immunological techniques have been developed to identify the bacteria within this group more rapidly. The microtitre plate agglutination assay is simple and inexpensive. Relatively few cross-reactions have been detected and these are within a species. The direct ELISA is even more specific, but is somewhat more costly and requires special equipment and expertise. Both tests would be appropriate for species identification in the sulphate-reducing bacteria.</p></div>","PeriodicalId":13629,"journal":{"name":"International Biodeterioration","volume":"26 5","pages":"Pages 337-345"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0265-3036(90)90026-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82230847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Assessment and management of human health risk from biocides","authors":"S.B Neal","doi":"10.1016/0265-3036(90)90066-G","DOIUrl":"10.1016/0265-3036(90)90066-G","url":null,"abstract":"<div><p>The assessment and management of human health risk from biocides is an iterative and multidisciplinary scientific process that seeks to define the inherent hazards of the material and integrate this information with the details of potential human exposure. This paper attempts to outline the critical elements and relationships in this process while presenting the risk assessment process for Kathon microbicides (blend of isothiazolones, 3:1 ratio of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one: MCI/MC) as an illustrative example.</p></div>","PeriodicalId":13629,"journal":{"name":"International Biodeterioration","volume":"26 2","pages":"Pages 259-271"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0265-3036(90)90066-G","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87276468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}