Diagnostic Discs most commonly used in Microbiology:-
Optochin
Chemical name-Ethylhydrocupreinhydrochloride
for Streptococcus pneumoniae
Bacitracin 0.04 U
Streptococcus pyogenes
Bacitracin 10 U
for Haemophilus
Oxidase disc i.e. Kovac's reagent-
N,N,N,N-Tetramethyl paraphenyl diamine dihydrochloride
required for
Pseudomonas
Aeromonas
Pleisomonas
Brucella
Haemophilus
Alkaligenes
Neisseria
ONPG
Ortho-Nitrophenyl beta-D-galactopyrunoside
Disc for detection true non lactose fermenter
positive
E. coli
Neisseria lactamica
Negative
-Proteus mirabilis
-Neisseria gonnohoeae
Viridans Streptococci are inhibited
Novobiocin
for Staphylococcus saprophyticus which is resrsitsnt
while Staphylococcus epidermis is Sensitive
V factor required for growth of Haemophilus parainfluenzae
X factor is requires for Hemophilus ducreyi
xv Factors are required for Haemophilus influenzae
and also for Haemophilus aegptycus
#Optochin
#Bacitracin
#Novobiocin
Diagnostic Discs most commonly used in Microbiology
Теги
Diagnostic discs in microbiologyoptochinbacitracinx factorv factorxv factorsnovobiocin testnovobiocin susceptibility testnovobiocin sensitivity testnovobiocinoxidase disc usesoxidase disc testonpg test in microbiologyonpg b-galactosidaseonpg teststreptococcus pneumoniaestreptococcus pyogeneshaemophilus influenzaehaemophilus influenzae isolatedhaemophilus ducreyihaemophilus parainfluenzaestaphylococcus saprophyticusmicrohub
