BIOCHEMISTRY

Quantitative estimation of reducing sugar (Glucose) by DNS method.

Introduction: The DNS (3,5-dinitrosalicylic acid) method is commonly used for the quantitative estimation of reducing sugars, including glucose. This method is based on the reaction of reducing sugars with DNS reagent, which results in the formation of a coloured compound that can be measured spectrophotometrically. Principle: The principle behind the DNS (3,5-dinitrosalicylic acid) method for […]

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Enzyme Immobilization/ Immobilized enzyme: Introduction, Methods, Factors, Kinetics,Applications

Introduction: Benefits of immobilized enzyme: Fig: Application of immobilised enzyme Properties of carrier matrix for ideal immobilization: Biocompatibility: The carrier matrix needs to be biocompatible in order to maintain the activity, stability, and conformation of the specific enzyme. It shouldn’t cause the enzyme to become denaturized or inactive. Chemical Stability: The matrix should be chemically

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Reactive oxygen species (ROS)- Introduction, Types, Sources, Scavenging Enzymes, Cancer

Reactive oxygen species (ROS) are chemically reactive molecules that can cause damage to cells and tissues, leading to oxidative stress. Mitochondria are the main source of ROS production in cells, and enzymes can regulate ROS levels. ROS can also act as signaling molecules in cellular processes and have been implicated in various diseases. Detecting and measuring ROS levels is crucial in understanding their role in cellular function and dysfunction.

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