Sökning: "preservatives"
Visar resultat 1 - 5 av 31 avhandlingar innehållade ordet preservatives.
1. Contact allergy to formaldehyde. Diagnosis and clinical relevance
Sammanfattning : Preservatives are biologically active substances mainly used in water-based products to prevent the growth of microorganisms. Most people are exposed to them on a daily basis. Formaldehyde is one of the oldest and most commonly used preservatives. However, it is a well-known contact sensitiser in dermatitis patients. LÄS MER
2. Hypersensitivity to analgesics, preservatives and food colorants in patients with asthma or rhinitis
Sammanfattning : .... LÄS MER
3. Methylisothiazolinones. Diagnosis and prevention of allergic contact dermatitis
Sammanfattning : Preservatives are biologically active substances which are required in water-based products/systems to prevent growth of micro-organisms. Kathon® CG (K-CG), one of several preservatives based on 5-chloro-2-methyl-4-isothiazolinon-3-one (MCI) and 2-methyl-4-isothiazolin-3-one (MI) has been shown to be a common sensitizer in dermatitis patients. LÄS MER
4. Flow cytometry for bioprocess control
Sammanfattning : During bio-technical processing it is important to monitorbiological parameters such as cell growth, viability andproduct formation. Many of the analyses traditionally used areslow to perform and provide only average data for thepopulation. LÄS MER
5. A Molecular Approach for Investigation of the Prevalence and Neurotoxin Formation of Clostridium botulinum in Food Safety Assessment
Sammanfattning : In the development of new food products, more knowledge is needed about the occurrence and quantity of food-borne pathogens in the food chain to be able to implement effective control measures and assure food safety. In addition, improved understanding of how environmental factors and food preservatives effect the microbial virulence expression in foods will enable the formulation of new strategies for food preservation and risk assessment. LÄS MER