A Textbook of BacteriologyAsia Publishing House, 1961 - 832 pagine |
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Pagina 246
... toxin is only 0.2 mg . or even less . The botulinum toxin has been computed to be about 10,000 times more poisonous than potassium cyanide . In their purified state the soluble toxins have been found to be lethal to experimental animals ...
... toxin is only 0.2 mg . or even less . The botulinum toxin has been computed to be about 10,000 times more poisonous than potassium cyanide . In their purified state the soluble toxins have been found to be lethal to experimental animals ...
Pagina 293
... toxin . The toxin on entry into the circulation is taken up by the anti- toxin and rendered innocuous before reaching the susceptible tissues . It is not , however , destroyed by the union . Neutralisation of toxin by antitoxin occurs ...
... toxin . The toxin on entry into the circulation is taken up by the anti- toxin and rendered innocuous before reaching the susceptible tissues . It is not , however , destroyed by the union . Neutralisation of toxin by antitoxin occurs ...
Pagina 419
... toxin contains one skin test dose ( see below ) . The toxin can also be concentrated and partially purified . Laboratory animals , with the possible exception of rabbits , do not react to this toxin . Hence , animal experiments have not ...
... toxin contains one skin test dose ( see below ) . The toxin can also be concentrated and partially purified . Laboratory animals , with the possible exception of rabbits , do not react to this toxin . Hence , animal experiments have not ...
Sommario
INTRODUCTION | 1 |
CORYNEBACTERIUMDIPHTHERIA BACILLUS | 15 |
GENERAL CHARACTERISTICS OF BACTERIA | 20 |
Copyright | |
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acid action activity agar agglutination agglutinins alcohol allergy anaerobic anaphylactic anaphylaxis animals anti antibiotic antibodies antigen antitoxin bacillus Bact bacteria bacterial cell bactericidal bacterium blood body broth capsule carrier cause cent chemical cholera coagulase coli colonies colour complement concentration containing culture develop dilution diphtheria disease disinfectants distilled water dose dyes dysentery employed endotoxins enzymes example exotoxins factors fermentation fever filter filtration flagella fluid globulin glucose Gram-negative Gram-positive growth guinea-pigs haemolysin haemolytic heat hydrogen immunisation immunity immunological incubation infection inoculation intestinal isolated lens lysis mechanism medium method methylene blue microbes microscope milk minutes molecules motile nature neutralise normal occur opsonin organisms oxygen parasite pathogenic phagocytosis pneumococcus precipitation presence production proteins rabbits reaction resistance result saprophytic sensitisation sera serum soluble solution spirochaetes spores staining staphylococcus sterile sterilised streptococci substances surface temperature tion tissues titre toxic toxin tube typhoid vaccine variation virulence