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Explain the Turbidity Measurement?
Presence of sufficient number of microbes makes the liquid medium turbid. Turbidity also increases with the multiplication of microbes. Estimation of turbidity can be used both for the quantitation of microbes and monitoring microbial growth. The technique depends on the fact that cells scatter the light striking them and the amount of scattering is directly proportional to the biomass of cells present and indirectly to the cell number. The scattering of light can be measured by spectrophotometer or photometer. In the instrument, a beam of light is passed through a cell suspension and the amount of unscattered light is detected by a light sensitive detector. Photometer uses a simple filter to generate incident light whereas in spectrophotometer, prism is used instead of a filter. Commonly used wavelengths for bacteria are 540 nm, 600 nm and 660 nm. More the number of microbes in the suspension, less is the light reaching to the detector and read as percent transmission or absorbance (OD, optical density, a logarithmic expression).
Determine Requirement of Trace elements for Infant? Most elements, such as zinc and iodine, hold a major significance in infant nutrition. Zinc is associated with growth while
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Explain about the Pharmaceutical Management? A person with BMI 30 and above may require pharmaceutical management in addition to dietary and lifestyle modifications. It may als
1. Road traffic: of all the sources of noise pollution, road traffic is the most prevalent and perhaps the most damaging source of pollution. More people are exposed to noise
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Define the Feeding and Nutritional Management of spinal trauma? The main objectives of nutritional management are to meet the nutritional needs of the initial acute phase and
Q. How Occlusal load affect osseointegration? Overloading the recognizing bone tissue prematurely will cause failure of osseointegration. A two stage surgery is advised routine
Explain Hazard Hazard : A biological, chemical or physical agent that is reasonably likely to cause illness or injury in the absence of its control.
What is mitochondrial inheritance? The Mitochondrial inheritance is the passage of mitochondrial DNA molecules (mtDNA) to the offspring. All the stock of mtDNA an individual ha
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