In this article we will discuss about the preparation of preservatives which is capable of preventing microbial infection. Formaldehyde Solution: Formaldehyde is a volatile substance. The maximum concentration can be manufactured is 40%. In preservation, commercial grade formaldehyde is used. Strength of the solution is calculated on the basis of 40 ml reagent in 100 […]
Preservatives to Prevent Microbial Infection | Zoology
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Preparation of Different Stains | Microscopy
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In this article we will discuss about the preparation of different stains used in microscopy. 1. Acetocarmine (Semi chon): Reagents: 45% glacial acetic acid … 100 ml Carmine powder … 10 g Preparation: Mix the two; heat up to boiling. Cool, filter and store for future use. 2. Borax Carmine: Reagents: Aqueous borax solution … […]
How to Study Bacteria ? | Zoology
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This article will guide you about how to study bacteria. Bacteria are minute organisms of enormous number with a high rate of multiplication. The smallest known bacterium is a little over 1 μm in size. Extreme precaution should be taken while handling bacteria—particularly pathogens (disease causing). Maintenance of an aseptic condition is a must in […]
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