ID diagnostic discs
Last update: 11.09.2018, 18:39:50
Diagnostic discs MIKROLATEST ® are discs of filter paper containing a defined concentration of a dehydrated reagent substrate for the detection of specific bacterial activity. They enable simple differentiation of bacteria by means of growth test directly on the culture medium.
Available discs
BACITRACIN 10 UI
Diagnostic discs BACITRACIN 10 UI are designed for selective isolation of Haemophilus spp. The test is based on the resistance of Haemophilus spp. to high concentration of bacitracin in comparison with accompanying flora, moreover it demonstrates ability of the satellite growth of Haemophilus spp. in the zone of diffusion of exogenous growth factors from staphylococci culture.
BACITRACIN S
Diagnostic discs BACITRACIN S are designed for simple routine presumptive determination of β-hemolytic Group A streptococci. β-haemolytic group A streptococci are highly susceptible to low concentration of bacitracin (0.04 UI), thus creating defined inhibition zone around the disc BACITRACIN S. Other β-hemolytic streptococci are resistant to this concentration or show just a very small zone of inhibition.
OPTOCHIN
Diagnostic discs OPTOCHIN are designed for simple routine presumptive detection of Streptococcus pneumoniae. Test is based on the susceptibility of Streptococcus pneumoniae to optochin (ethylhydrocuprein hydrochloride). Streptococcus pneumoniae shows a defined zone of inhibition around the impregnated disc after the incubation. Other viridans-group streptococci are resistant to optochin or show a very small zone of inhibition.
V+K DISK
Diagnostic discs V+K DISK are designed for the selective isolation of Neisseria meningitidis. In the place of diffusion of antibiotics (vancomycin+colistin) from disc, the zone of partially selective medium is created, thus inhibiting the growth of accompanying flora.
NOVOBIOCIN
Diagnostic discs NOVOBIOCIN are designed for differentiation of coagulase negative staphylococci by means of growth test. The test is based on the natural resistance of some species of coagulase negative staphylococci to Novobiocin.
X – FAKTOR, V – FAKTOR, X+V – FAKTOR
Diagnostic discs X – FAKTOR, V – FAKTOR, X+V – FAKTOR are designed for simple routine differentiation of Haemophilus spp. from clinical material. Members of the genus Haemophilus are dependent on exogenous growth factors X (hemin) and V (NAD) in media free of these factors. Tested strain shows growth only around the disc containing required essential factor.
NITROCEFIN
Diagnostic discs NITROCEFIN are designed for the rapid detection of β-lactamase enzyme in Neisseria gonorrhoeae, Moraxella catarrhalis, Staphylococcus spp., Haemophilus influenzae and anaerobic bacteria. Nitrocefin is a chromogenic cephalosporin that has been found to be effective in detection of all known β-lactamase enzymes. β-lactamase enzymes hydrolyse amide bonds in the β-lactam ring of nitrocefin resulting in a distinctive colour change from yellow to red.
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