LabPulse

LabPulse Purposely to link up with like minded professionals of the medical laboratory science field and also to inspire others to learn
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27/06/2026

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Laboratory Diagnosis of Gram-Negative Bacteria 🧫🔬Master the key microbiology tests used to identify Enterobacteriaceae, ...
27/06/2026

Laboratory Diagnosis of Gram-Negative Bacteria 🧫🔬
Master the key microbiology tests used to identify Enterobacteriaceae, including MacConkey agar, Triple Sugar Iron (TSI), Lysine Iron Agar (LIA), Indole, and Motility tests. Understanding the principles and interpretation of these biochemical reactions is essential for accurate bacterial identification in the clinical laboratory. 📚🦠

Lysine iron agar ❤️🔬❤️
27/06/2026

Lysine iron agar ❤️🔬❤️

26/06/2026

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26/06/2026

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Characteristics of Colonial Style❤️🔬❤️
26/06/2026

Characteristics of Colonial Style❤️🔬❤️

Biochemical tests ❤️🔬❤️
26/06/2026

Biochemical tests ❤️🔬❤️

Malaria in one page❤️🔬❤️
26/06/2026

Malaria in one page❤️🔬❤️

MacConkey Agar Made Simple 🧫MacConkey agar is a selective and differential culture medium used to isolate Gram-negative ...
26/06/2026

MacConkey Agar Made Simple 🧫
MacConkey agar is a selective and differential culture medium used to isolate Gram-negative bacteria and distinguish lactose fermenters from non-fermenters.
🩷 Lactose fermenters (e.g., Escherichia coli, Klebsiella oxytoca, Enterobacter cloacae) produce pink colonies due to acid production.
🤍 Non-lactose fermenters (e.g., Salmonella spp., Proteus mirabilis, Pseudomonas aeruginosa, Morganella morganii, Aeromonas hydrophila) produce colorless or pale colonies.
Understanding colony color on MacConkey agar is a key step in the laboratory identification of clinically important Gram-negative bacteria.

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