20+ Executive Research Development Interview Questions and Answers

MFI is a measure of the flow rate of melted plastic through a standardized capillary under controlled conditions.

• MFI is used to determine the viscosity of a polymer.

• It is measured in grams per 10 minutes (g/10min).

• The test involves melting a sample of the polymer and extruding it through a capillary under a constant load.

• The MFI value is affected by factors such as temperature, pressure, and the type of polymer being tested.

• MFI is commonly used in the plastics industry to ens...read more

Yes, I have extensive experience in on-floor quality control in manufacturing environments.

• Implemented quality control processes on the production floor

• Conducted regular inspections to ensure product quality standards are met

• Trained production staff on quality control procedures

• Analyzed data to identify trends and areas for improvement

• Collaborated with cross-functional teams to address quality issues

High acid insoluble ash content indicates poor quality of the food product.

• High acid insoluble ash content suggests presence of impurities or contaminants in the food product

• It may indicate improper processing or storage of the food product

• Low quality ingredients or adulteration can also lead to high acid insoluble ash content

• It can affect the nutritional value and safety of the food product

NMR spectroscopy and mass spectroscopy are analytical techniques used to study the structure and composition of molecules.

• NMR spectroscopy involves the study of nuclear spins in a magnetic field to determine the structure of organic compounds.

• Mass spectroscopy is used to determine the molecular weight and structure of compounds by ionizing and separating them based on mass-to-charge ratio.

• Both techniques are widely used in the pharmaceutical industry for drug discovery and de...read more

Research and development is the process of creating new products, services, or processes through scientific and technological innovation.

• It involves conducting experiments, analyzing data, and testing hypotheses.

• It can lead to the creation of new technologies, medicines, and other innovations.

• It is essential for companies to stay competitive and meet the changing needs of consumers.

• Examples include the development of the iPhone, the creation of new cancer treatments, and the ...read more

Reactors are vessels designed to contain chemical reactions. They are used in various industries for processes like synthesis, fermentation, and polymerization.

• Reactors are used in industries such as pharmaceuticals, petrochemicals, food and beverage, and chemicals.

• They are used for processes like synthesis of pharmaceuticals, fermentation of beer, polymerization of plastics, and production of chemicals.

• Reactors can be batch reactors, continuous stirred-tank reactors, or plug...read more

HPLC calibration involves preparing standard solutions, injecting them into the system, and adjusting parameters to ensure accurate and precise results.

• Prepare standard solutions of known concentration

• Inject the solutions into the HPLC system

• Adjust parameters such as flow rate, column temperature, and detector wavelength to optimize separation and sensitivity

• Calculate calibration curves and determine the linearity, accuracy, and precision of the system

• Perform regular checks a...read more

pH is a measure of acidity or alkalinity on a scale of 0-14. The pH of our skin is typically around 4.7-5.75.

• pH stands for 'potential of Hydrogen' and measures the acidity or alkalinity of a substance on a scale of 0-14.

• A pH of 7 is considered neutral, below 7 is acidic, and above 7 is alkaline.

• The pH of our skin is typically around 4.7-5.75, making it slightly acidic to help protect against harmful bacteria and fungi.

The column in HPLC is where the separation of compounds occurs based on their interactions with the stationary phase.

• The column is packed with a stationary phase material, such as silica or polymer beads

• Compounds in the sample mixture interact differently with the stationary phase, leading to separation

• The mobile phase carries the sample through the column, with compounds eluting at different times based on their interactions

• Column dimensions, particle size, and stationary ph...read more

SN1 and SN2 are two types of nucleophilic substitution reactions in organic chemistry.

• SN1 involves a two-step mechanism with formation of a carbocation intermediate, while SN2 involves a one-step mechanism with simultaneous bond formation and bond breaking.

• SN1 reactions are favored in polar protic solvents and with tertiary substrates, while SN2 reactions are favored in polar aprotic solvents and with primary substrates.

• SN1 reactions proceed via a racemic mixture of products,...read more

CBC stands for Complete Blood Count, a blood test that measures various components of blood.

• CBC is a common blood test that measures red blood cells, white blood cells, and platelets.

• It can help diagnose conditions such as anemia, infections, and leukemia.

• CBC results can also indicate dehydration, inflammation, or other health issues.

• The test involves taking a sample of blood from a vein in the arm and analyzing it in a lab.

• CBC is often included in routine check-ups and can b...read more

LoQ values should be set based on the sensitivity of the analytical method and the required level of detection.

• Determine the sensitivity of the analytical method

• Consider the required level of detection

• Set the LoQ value based on these factors

• LoQ values should be validated through experiments

• LoQ values may vary depending on the sample matrix and the type of analyte

I work with a variety of data types including quantitative, qualitative, structured, and unstructured data.

• Quantitative data - numerical data that can be measured and quantified (e.g. sales figures, survey responses)

• Qualitative data - non-numerical data that describes qualities or characteristics (e.g. customer feedback, interview transcripts)

• Structured data - organized data that fits into predefined categories (e.g. spreadsheets, databases)

• Unstructured data - unorganized dat...read more

Additive refers to a substance added to another substance to improve or enhance its properties.

• Additives can be used in various industries such as food, cosmetics, and manufacturing.

• Examples of additives include preservatives, colorants, and stabilizers.

• Additives can improve the appearance, taste, texture, and shelf life of a product.

• Additives can also enhance the performance or functionality of a material or product.

• Additives should be used in appropriate amounts to avoid ne...read more

MFI stands for Microfinance Institution.

• MFI provides financial services to low-income individuals and small businesses.

• It includes microcredit, microsavings, microinsurance, and other financial products.

• MFI aims to promote financial inclusion and alleviate poverty.

• Examples of MFIs include Grameen Bank, FINCA, and Kiva.

• MFIs often operate in developing countries where traditional banking services are not available.

Validation can be started by defining the requirements and creating a validation plan.

• Define the requirements for the product or process

• Create a validation plan that outlines the testing and acceptance criteria

• Perform the validation testing according to the plan

• Document the results and any deviations from the plan

• Review and approve the validation results

HPLC is a type of chromatography used for separating compounds in a mixture based on their interactions with a stationary phase and mobile phase.

• HPLC stands for High Performance Liquid Chromatography, while chromatography is a broader term encompassing various techniques for separating mixtures.

• HPLC typically uses a liquid mobile phase, while chromatography can use liquid, gas, or solid phases.

• HPLC is more precise and sensitive than traditional chromatography methods.

• Examples...read more

I have over 10 years of experience working in the spices and seasonings industry, including product development and market research.

• Developed new spice blends for a major food company

• Conducted market analysis on consumer preferences for seasonings

• Managed relationships with spice suppliers and negotiated contracts

Formulation is the process of creating a specific mixture or combination of ingredients to achieve a desired outcome.

• Formulation involves selecting and combining ingredients in specific quantities.

• It is commonly used in industries such as pharmaceuticals, cosmetics, and food production.

• Examples include formulating a new medication, creating a skincare product, or developing a new recipe for a food product.

The column used in HPLC is typically a stainless steel tube filled with a stationary phase.

• The column is a crucial component of the HPLC system, where the separation of compounds occurs.

• The stationary phase inside the column interacts with the mobile phase to separate the analytes based on their properties.

• Columns can vary in length, diameter, and particle size depending on the specific application.

• Common types of columns used in HPLC include C18, C8, and silica-based columns...read more

Design considerations in product design involve factors such as user needs, functionality, aesthetics, materials, and manufacturing processes.

• Consider user needs and preferences to ensure the product meets their requirements

• Focus on functionality to ensure the product performs its intended purpose effectively

• Pay attention to aesthetics to create an appealing and visually pleasing design

• Select appropriate materials that are durable, cost-effective, and environmentally friendly...read more

Principal of HPLC is based on the separation of components in a mixture using a liquid mobile phase and a solid stationary phase.

• HPLC stands for High Performance Liquid Chromatography.

• It involves the use of a liquid mobile phase to carry the sample through a column packed with a solid stationary phase.

• The components in the sample interact differently with the stationary phase, leading to separation based on their properties.

• The separated components are detected and quantified...read more

Design guidelines are principles and recommendations for creating effective and user-friendly products or services.

• Consider user needs and preferences

• Ensure consistency in design elements

• Prioritize simplicity and clarity

• Incorporate accessibility features

• Test and iterate on designs based on user feedback