Virus Research and Diagnostic Laboratory Research Scientist 1 Interview Questions and Answers

Buchwald coupling reaction is a palladium-catalyzed cross-coupling reaction used in organic synthesis to form carbon-carbon bonds.

• Involves coupling of an aryl halide with an arylboronic acid in the presence of a palladium catalyst and a base

• Commonly used in the synthesis of biaryl compounds

• Named after its discoverer, Stephen L. Buchwald

• Provides a versatile method for the formation of carbon-carbon bonds in organic mole

The Van Dee meter equation is used to calculate the velocity of a fluid flow in a pipe.

• The Van Dee meter equation is based on the principle of conservation of mass and energy.

• It takes into account the pressure difference between two points in a pipe, the density of the fluid, and the pipe diameter.

• The equation is typically used in fluid mechanics and engineering applications to determine flow rates.

• Example: V = (2*(P1 ...read more

AEX stands for Average Execution Time, a metric used to measure the average time taken to execute a process or task.

• AEX is calculated by summing up the total execution time of a process and dividing it by the number of executions.

• For example, if a process takes 10 seconds to execute and it is run 5 times, the AEX would be 10/5 = 2 seconds.

AEX stands for Amsterdam Exchange, a stock exchange in the Netherlands.

• AEX is a stock market index composed of the 25 most actively traded Dutch companies on the Amsterdam Exchange.

• It is often used as a benchmark for the Dutch stock market.

• Examples of companies included in the AEX index are Royal Dutch Shell, ASML, and Unilever.

Indicators are substances that change color in response to changes in pH levels, helping to determine the acidity or alkalinity of a solution.

• Indicators are typically weak acids or bases that dissociate in water and change color based on the concentration of H+ ions.

• Common indicators include phenolphthalein, litmus, and bromothymol blue.

• The color change of an indicator is due to a shift in the equilibrium between the a...read more