#praxilabs

Monoclonal Antibody Production is a comprehensive laboratory process that demonstrates how highly specific antibodies are generated using hybridoma technology. Students learn essential techniques, including sterile cell culture, mouse immunization, spleen cell isolation, myeloma cell fusion with polyethylene glycol (PEG), HAT selection, hybridoma cloning, FACS preparation, and ELISA-based antibody screening. The workflow also covers evaluating cell confluency, serial serum dilution, and hybridoma cryopreservation. By following each stage of monoclonal antibody production, learners gain a deeper understanding of antibody development, laboratory best practices, and the experimental methods widely used in biomedical research, diagnostics, and therapeutic antibody manufacturing.

Non Ohmic Resistance is a key concept in electricity that demonstrates how certain materials exhibit a nonlinear relationship between current and voltage. Unlike Ohmic conductors, non-Ohmic resistors experience changes in resistance as temperature rises with increasing applied voltage. Through this experiment, students investigate the I-V characteristics of a non-Ohmic resistor, compare its behavior with Ohmic resistance, and understand why it does not follow Ohm's law. By collecting and analyzing experimental data, learners gain practical insights into electrical conductivity, resistance variation, and the principles governing non-Ohmic materials in real-world electrical and electronic applications.

Determination of Citric Acid is a fundamental analytical chemistry experiment that demonstrates how acid-base titration is used to measure citric acid concentration in lemon-flavored soda beverages. Using a standard sodium hydroxide solution and phenolphthalein indicator, students identify the endpoint of neutralization and calculate the concentration of citric acid through volumetric analysis. The experiment reinforces essential laboratory concepts, including standard solutions, quantitative analysis, neutralization reactions, titration calculations, and data interpretation. By applying theoretical knowledge to a practical beverage analysis, learners gain valuable experience in analytical techniques widely used in food quality control, research laboratories, and chemistry education.

Determination of Citric Acid is a fundamental analytical chemistry experiment that demonstrates how acid-base titration is used to measure citric acid concentration in lemon-flavored soda beverages. Using a standard sodium hydroxide solution and phenolphthalein indicator, students identify the endpoint of neutralization and calculate the concentration of citric acid through volumetric analysis. The experiment reinforces essential laboratory concepts, including standard solutions, quantitative analysis, neutralization reactions, titration calculations, and data interpretation. By applying theoretical knowledge to a practical beverage analysis, learners gain valuable experience in analytical techniques widely used in food quality control, research laboratories, and chemistry education.

The Chloride Test in Water is a fundamental analytical chemistry experiment that measures chloride ion concentration using the indirect Volhard titration method. Students learn how excess silver nitrate reacts with chloride ions before the remaining silver ions are back-titrated with thiocyanate in an acidic medium, using ferric alum as an indicator. The experiment introduces key concepts such as precipitimetry, solubility product (Ksp), endpoint detection, and precipitation reactions. By completing this laboratory exercise, learners gain practical experience in chloride analysis, understand the theory behind chloride determination, and develop essential quantitative analysis skills for environmental, industrial, and water quality testing.

The Amylase Test is a fundamental biochemistry laboratory experiment used to qualitatively detect salivary amylase and evaluate its ability to hydrolyze starch into simpler sugars. By observing iodine color changes, students can measure enzyme activity under different temperature and pH conditions to identify the optimum environment for starch digestion. This experiment also introduces essential laboratory techniques, proper handling of equipment, and the principles of enzyme catalysis. Through the Amylase Test, learners gain practical insights into how environmental factors influence enzyme function and develop a deeper understanding of biochemical reactions involved in carbohydrate metabolism.

The NMR Simulator provides an interactive environment for learning how proton Nuclear Magnetic Resonance (¹H NMR) is used to analyze pesticide compounds and determine their chemical structures. Through virtual experimentation, learners interpret NMR spectra by examining the number of signals, chemical shifts, multiplicity, and peak integration. The simulation also introduces essential concepts such as nuclear spin, magnetic resonance, solvent selection, and the role of internal standards in NMR analysis. By combining theoretical knowledge with hands-on spectral interpretation, the NMR Simulator helps students develop practical skills in chemical characterization, spectrometry techniques, and structural elucidation used in research and analytical testing laboratories. 

Fajans Titration is a precipitation titration technique used to determine the concentration of silver nitrate by titrating it with a standard sodium chloride solution. This experiment introduces students to the principles of precipitimetry, the significance of the solubility product (Ksp), and the role of adsorption indicators in detecting the titration endpoint through a distinct color change. Learners also explore Fajans' rule, the conditions required for successful precipitation reactions, and the characteristics of suitable indicators and reaction media. By completing this experiment, students develop practical analytical skills while gaining a deeper understanding of precipitation-based volumetric analysis.