BMS481 Bioanalytical Chemistry UITM Assignment Answer Malaysia

BMS481 Bioanalytical Chemistry is a course offered at UITM (Universiti Teknologi MARA) in Malaysia. This course provides an introduction to a range of scientific instrumentation techniques commonly utilized in biological science analysis. Students will explore the theory and applications of chromatography, electrophoresis, and various spectroscopy techniques within modern biological laboratories. Through this course, students will develop a strong foundation in utilizing these instrumental methods for scientific research and analysis in the field of biology.

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Assignment Brief 1 : Describe the fundamentals concepts of analytical techniques e.g. accuracy, concentrations, molarity

In this assignment, you are required to describe the fundamental concepts of analytical techniques, focusing on accuracy, concentrations, and molarity.

Accuracy:

Accuracy refers to how close a measured value is to the true or accepted value. In analytical techniques, accuracy is crucial as it determines the reliability of the results. It is achieved by minimizing systematic errors and random errors during the measurement process. Systematic errors can be reduced through calibration and standardization, while random errors can be minimized by taking multiple measurements and calculating the average.

Concentrations:

Concentration in analytical techniques is a measure of the amount of a solute present in a given volume of a solvent or solution. It is typically expressed in various units, such as molarity (moles of solute per liter of solution), mass/volume percentage, or parts per million (ppm). Concentration plays a vital role in determining the reactivity and behavior of substances in chemical reactions, biological processes, and environmental studies.

Molarity:

Molarity is a specific unit of concentration widely used in analytical chemistry. It represents the number of moles of solute dissolved in one liter of solution and is denoted by the symbol “M.” The formula to calculate molarity is:
Molarity (M) = Number of moles of solute (mol) / Volume of solution (L)

Assignment Brief 2 : Illustrate the principles and applications of basic centrifugation, chromatographic and spectroscopic analytical techniques in the isolation and characterization of biological molecules.

In this assignment, you will illustrate the principles and applications of basic centrifugation, chromatographic, and spectroscopic analytical techniques in the isolation and characterization of biological molecules.

Centrifugation: 

Centrifugation is a separation technique that utilizes centrifugal force to separate components in a heterogeneous mixture based on their density. Heavier particles settle at the bottom, while lighter ones stay at the top after centrifugation. In the isolation of biological molecules, centrifugation is used to separate cellular components, such as organelles, proteins, and nucleic acids. It is widely employed in biochemistry, molecular biology, and clinical laboratories.

Chromatography: 

Chromatographic techniques are used to separate and analyze complex mixtures based on their differential interactions with a stationary phase and a mobile phase. In the context of biological molecules, chromatography plays a crucial role in separating proteins, nucleic acids, and other biomolecules. For instance, High-Performance Liquid Chromatography (HPLC) and Gas Chromatography (GC) are widely used to analyze amino acids, nucleotides, and fatty acids in biological samples.

Spectroscopic Techniques:

 Spectroscopy involves the study of interactions between matter and electromagnetic radiation. In the context of biological molecules, spectroscopic techniques like UV-Visible Spectroscopy, Infrared (IR) Spectroscopy, and Nuclear Magnetic Resonance (NMR) are used to characterize biomolecules based on their absorption, emission, or nuclear magnetic resonance properties. These techniques help identify functional groups, determine molecular structures, and quantify biomolecules in a sample.

Molarity: 

Molarity is a specific unit of concentration widely used in analytical chemistry. It represents the number of moles of solute dissolved in one liter of solution and is denoted by the symbol “M.” The formula to calculate molarity is:
Molarity (M) = Number of moles of solute (mol) / Volume of solution (L)

Assignment Brief 3 : Perform scientific experiments on biomolecules separation, characterization and analysis.

In this assignment, you are required to perform scientific experiments on biomolecule separation, characterization, and analysis.

Biomolecule Separation: 

Design and execute experiments using techniques such as gel electrophoresis or size-exclusion chromatography to separate biomolecules like proteins, nucleic acids, or carbohydrates based on their size, charge, or other physical properties.

Biomolecule Characterization:

 Employ spectroscopic techniques like UV-Visible Spectroscopy or IR Spectroscopy to characterize biomolecules. Determine the absorption spectra or functional groups present in the biomolecules to identify and confirm their structures.

Biomolecule Analysis:

 Use techniques like HPLC or enzymatic assays to quantify specific biomolecules in a given sample. This could involve measuring enzyme activity, protein concentration, or nucleic acid content in biological samples.

Remember to document your experimental procedures, observations, and results accurately, and draw meaningful conclusions based on the data obtained from the experiments.

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