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  • 1
    Electronic Resource
    Electronic Resource
    Destruction of Pathogenic Bacteria in Turkeys Roasted in Microwave Ovens (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 50 (1985), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Whole turkeys inoculated with Salmonella typhimurium, Staphylococcus aureus, or Clostridium perfringens were cooked in a microwave oven (2450 MHz) to an end-point temperature of 76.6°C. The cooking procedure did not completely eliminate any of the three pathogenic bcteria from the turkeys. The extent of survival of C perfringens on the cooked unstuffed turkeys was proportional to the number of spores in the initial inoculum. Similar results were observed when turkeys stuffed with inoculated stuffing were cooked in microwave ovens. Cooking in brown-in-bags increased the destruction of C. perfringens and S. typhimuriun in unstuffed turkeys even though the end-point temperature was only 68.3°C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1985.tb12969.x
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  • 2
    Electronic Resource
    Electronic Resource
    Reduction of Numbers of Salmonella typhimurium on Poultry Parts by Repeated Freeze-Thaw Treatments (1981)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 46 (1981), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Cells of Salmonella typhimurium suspended in 50 ml of 0.1% buffered peptone were subjected to five cycles of rapid or slow freezing and rapid or slow thawing. A five cycle rapid freeze-rapid thaw process was found to be an effective treatment resulting in 99% reduction in the numbers of S. typhimurium cells. Of the surviving cells after treatment, 75% was sublethally injured. The five cycle rapid freeze-rapid thaw process was investigated for its effectiveness in reducing numbers of S. typhimurium cells on experimentally inoculated chicken wings. The part of chicken wings consisting of ulna and radius with attached skin and muscle was inoculated with low (16–20 CFU/g) or high (ca 1,100 CFU/g) numbers of S. typhimurium and each wing was subjected to five cycles of the rapid freeze-rapid thaw process. There was over 90% reduction in the numbers of S. typhimurium cells on the chicken wings after the freeze-thaw treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1981.tb04164.x
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  • 3
    Electronic Resource
    Electronic Resource
    TWO SELECTIVE ENRICHMENT MEDIA FOR THE ISOLATION OF SALMONELLA FROM MECHANICALLY DEBONED POULTRY MEAT (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 45 (1980), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Two selective enrichment media were developed for the isolation of salmonellae from foods. The first, experimental broth 1, contained magnesium chloride and sodium cholate as the selective ingredients. The second, experimental broth 2, contained 8 mg/1 sodium sulfadiazine in addition to magnesium chloride and sodium cholate. The two broths were evaluated against conventional selective enrichment media in the isolation of salmonellae from naturally contaminated mechanically deboned poultry meat. Of 100 such samples, 22 were positive for Salmonella after enrichment in selenite cystine broth, 12 were positive after enrichment in tetrathionate broth, 50 were positive after enrichment in experimental broth 1, and 60 samples were positive after enrichment in experimental broth 2. The inhibition of interfering Gram negative organisms was significantly greater in the two experimental broths than in the conventional selective enrichment broths.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1980.tb06503.x
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  • 4
    Electronic Resource
    Electronic Resource
    Rapid Detection of Food-Borne Pathogenic Bacteria (1994)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Microbiology 48 (1994), S. 401-426 
    Details
    ISSN: 0066-4227
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.mi.48.100194.002153
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  • 5
    Electronic Resource
    Electronic Resource
    Purification of protein a from Staphylococcus aureus by affinity chromatography on polyacrylamide activated with thiophosgene
    Amsterdam : Elsevier
    FEBS Letters 83 (1977), S. 329-331 
    Details
    ISSN: 0014-5793
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0014-5793(77)81034-X
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  • 6
    Electronic Resource
    Electronic Resource
    An Evaluation of Selective Differential Plating Media for the Isolation of Yersinia enterocolitica from Experimentally Inoculated Fresh Ground Pork Homogenate (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 48 (1983), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Seven selective differential plating media were evaluated for their effectiveness in recovering eight serotypes (0:3; 0:8; 0:9; 0:11,24; 0:12,25; 0.16; 0:17; and 0:28) of Y. enterocolitica from pure cultures and from artificially inoculated fresh ground pork homogenate. Cefsulodin-irgasan-novobiocin (CIN) agar was the most effective medium for the recovery of Y. enterocolitica. However, Y. enterocolitica 0:12,25 was slightly inhibited on CIN agar. Bismuth sulfite agar, MacConkey, and MacConkey-Tween 80 agars were acceptable; cellobiose-arginine-lysine, desoxycholate citrate, and Salmonella-Shigella agars were the least effective media.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1983.tb14776.x
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  • 7
    Electronic Resource
    Electronic Resource
    Effect of Bile Salts and Bile Salt Mixtures on the Recovery of Yersinia enterocolitica (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The effect of sodium salts of cholic, deoxycholic, chenodeoxycholic, glycocholic and taurocholic acids and of Bacto-bile salts, Bacto-bile salts #3 and Bacto-oxgall on the recovery of nine strains representing seven serotypes (0:3, 0:8, 0:9, 0:11, 24, 0:12, 25, 0:16, 0:17) of Yersinia enterocolitica was determined. Serotypes 0:3, 0:8, 0:9 and 0:17 were resistant to 3% sodium taurocholate, 3% Bacto-bile salts or 3% Bacto-oxgall. Serotypes 0:11, 23, 0:12, 25, 0:16 and 0:17 were significantly inhibited by 3% sodium deoxycholate, 2.5% chenodeoxycholate and 3% Bacto-bile salts #3. Differences in the inhibitory effects of bile salt mixtures could not be explained only on the basis of their bile acid composition as determined by gas-liquid chromatography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1982.tb07658.x
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  • 8
    Electronic Resource
    Electronic Resource
    RAPID DETECTION OF SALMONELLAE IN FOODS BY MEMBRANE FILTER-DISC IMMUNOIMMOBILIZATION TECHNIQUE (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 43 (1978), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A membrane filter-disc immunoimmobilization technique was developed for rapid detection of salmonellae in foods. The method involved concentrating bacteria from the selective enrichment culture of a food sample by membrane filtration. The membrane filter, with the entrapped bacteria, was inverted and placed on the surface of a semi-solid selective medium contained in a 100 × 15 mm plastic Petri plate. A paper disc impregnated with Salmonella polyvalent flagellar antiserum was placed on the surface of the semi-solid agar approximately 2.5 cm from the nearest edge of the membrane filter. The plate was incubated at 37° C under high humidity. Motile salmonellae, if present in the sample, grew and migrated in the semi-solid medium. When the moving front of motile salmonellae came into contact with the diffusing flagellar antiserum, an antigen-antibody reaction occurred resulting in the immobilization of salmonellae. The formation of a line of immobilization indicated the presence of salmonellae in the sample. A semi-solid medium containing dulcitol, proteose peptone, brilliant green, and novobiochin as the major functional components was found to be more efficient than semi-solid modifications of Salmonella-Shigella agar and Hektoen enteric agar for the detection of salmonellae in foods by the membrane filter-disc immunoimmobilization procedure. The new method, when applied to the detection of salmonellae in raw meats and poultry, was found to give good correlation with the conventional cultural method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1978.tb02516.x
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  • 9
    Electronic Resource
    Electronic Resource
    Linking environmental and human strains of Listeria monocytogenes with isoenzyme and ribosomal RNA typing (1990)
    Springer
    European journal of epidemiology 6 (1990), S. 229-230 
    Details
    ISSN: 1573-7284
    Keywords: Listeriosis ; Meningitis ; Unpasteurized milk ; Isoenzyme typing ; Ribosomal RNA typing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00145800
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  • 10
    Electronic Resource
    Electronic Resource
    An Incremental Distributed Algorithm for Computing Biconnected Components in Dynamic Graphs (1998)
    Springer
    Algorithmica 22 (1998), S. 305-329 
    Details
    ISSN: 1432-0541
    Keywords: Key words. Biconnected components, Distributed graph algorithms, Dynamic configuration.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract. This paper describes a distributed algorithm for computing the biconnected components of a dynamically changing graph. Our algorithm has a worst-case communication complexity of O(b+c) messages for an edge insertion and O(b'+c) messages for an edge removal, and a worst-case time complexity of O(c) for both operations, where c is the maximum number of biconnected components in any of the connected components during the operation, b is the number of nodes in the biconnected component containing the new edge, and b' is the number of nodes in the biconnected component just before the deletion. The algorithm is presented in two stages. First, a serial algorithm is presented in which topology updates occur one at a time. Then, building on the serial algorithm, an algorithm is presented in which concurrent update requests are serialized within each connected component. The problem is motivated by the need to implement causal ordering of messages efficiently in a dynamically changing communication structure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00009226
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