Is KOH an acid or base? Weak vs Strong - Potassium hydroxide
Is KOH an acid or base? Weak vs Strong - Potassium hydroxide
Mar 31, 2021
topblogtenz.com
KOH String Test is a rapid bedside/lab test used to differentiate Gram-negative from Gram-positive bacteria without performing Gram stain. 🧪 How it works: Mix a colony with 3% KOH on a slide Gently lift with a loop or stick 🧬 Result interpretation: 🧵 String formation (viscous, sticky thread) → Gram-negative ✅ 👉 Cell wall breaks → DNA released ❌ No string → Gram-positive ⚡ Why it’s useful: Faster than Gram stain Helpful when Gram stain is unclear Great for teaching & quick screening 📌 Rememb
0:33
KOH String Test is a rapid bedside/lab test used to differentiate Gram-negative from Gram-positive bacteria without performing Gram stain. 🧪 How it works: Mix a colony with 3% KOH on a slide Gently lift with a loop or stick 🧬 Result interpretation: 🧵 String formation (viscous, sticky thread) → Gram-negative ✅ 👉 Cell wall breaks → DNA released ❌ No string → Gram-positive ⚡ Why it’s useful: Faster than Gram stain Helpful when Gram stain is unclear Great for teaching & quick screening 📌 Rememb
33.9K views5 months ago
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KOH Mount: Principle, Procedure, Results, Uses | Microbe Online
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