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Purification Scientist information

What are Purification Scientists?

Purification Scientists are professionals who specialize in isolating and purifying biological or chemical substances, such as proteins, antibodies, or pharmaceuticals, from complex mixtures. They develop, optimize, and scale up purification processes using techniques like chromatography, filtration, and centrifugation. These scientists often work in biotechnology, pharmaceutical, and research laboratories to ensure products are pure, safe, and effective for further research or commercial use.

How much do protein scientists make?

Protein scientists, often classified as biochemists or molecular biologists, typically earn a median annual salary of around $70,000 to $100,000, depending on experience, education, and location. Salaries can increase with advanced skills, certifications, and working in pharmaceutical or biotech industries.

What does a purification scientist do?

A purification scientist is responsible for developing and optimizing methods to isolate and purify chemical compounds, proteins, or other biological materials. They use techniques such as chromatography, filtration, and centrifugation, often working in laboratory or manufacturing settings to ensure product quality and purity. Strong analytical skills and knowledge of laboratory equipment are essential for this role.

What are some common challenges faced by Purification Scientists, and how can they be addressed on the job?

Purification Scientists often encounter challenges such as optimizing purification protocols for novel proteins, troubleshooting unexpected impurities, and maintaining consistency across large-scale runs. These issues can be addressed by staying up-to-date with the latest chromatography techniques, collaborating closely with upstream and analytical teams, and employing robust troubleshooting and documentation practices. Being proactive in adjusting parameters and communicating effectively with colleagues helps ensure high-quality results and smooth workflow within the team.

What are the key skills and qualifications needed to thrive as a Purification Scientist, and why are they important?

To thrive as a Purification Scientist, you need a solid understanding of protein chemistry, chromatography techniques, and laboratory best practices, typically supported by a degree in biochemistry, chemistry, or a related field. Familiarity with technical tools such as HPLC, FPLC systems, and analytical software, as well as experience with relevant safety standards, is often required. Strong problem-solving skills, attention to detail, and the ability to work collaboratively are essential soft skills in this role. These qualifications ensure the efficient and accurate purification of biomolecules, which is critical for research, development, and manufacturing in pharmaceutical and biotech industries.

What biology jobs pay over $100k?

Purification Scientists and other biology-related roles such as biochemists, molecular biologists, and biomedical researchers can earn over $100,000 annually, especially with advanced degrees and experience. Positions in biotech, pharmaceuticals, and research institutions often offer higher salaries, particularly for those with specialized skills in laboratory techniques, data analysis, and regulatory compliance.

What is the difference between Purification Scientist vs Analytical Chemist?

AspectPurification ScientistAnalytical Chemist
Required CredentialsBachelor's or Master's in Chemistry, Biochemistry, or related fieldBachelor's or Master's in Chemistry, Analytical Chemistry, or related field
Work EnvironmentLaboratories focused on purification processes, biopharmaceuticals, or biotechLaboratories performing chemical analysis, quality control, or research
Employer & IndustryPharmaceutical, biotech, or chemical manufacturing companiesPharmaceutical, environmental, or food testing labs
Common Search & ComparisonPurification Scientist vs Analytical Chemist

While both roles require a background in chemistry and laboratory skills, a Purification Scientist primarily focuses on isolating and purifying compounds, often in biopharmaceuticals, whereas an Analytical Chemist specializes in analyzing and testing chemical substances for quality and composition. Both roles are essential in the drug development and manufacturing process, but their daily tasks and focus areas differ.

What is the highest paid type of scientist?

Among scientists, petroleum engineers and data scientists tend to have the highest salaries, often exceeding $100,000 annually. Purification scientists in industries like pharmaceuticals or biotech typically earn less but can achieve higher pay with advanced skills, certifications, and experience in specialized fields.
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Purification Scientist jobs near you
Infographic showing various Purification Scientist job openings in the United States as of July 2026, with employment types broken down into 91% Full Time, 7% Part Time, and 2% Contract. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution.
Principal Scientist, Purification Process Development

Principal Scientist, Purification Process Development

Denali Therapeutics

South San Francisco, CA

$159K - $207K/yr

Full-time

Medical, Retirement

Re-posted 20 days ago

Job description

Neurodegenerative diseases are one of the largest medical challenges of our time. Denali Therapeutics is a biotechnology company dedicated to developing breakthrough therapies for neurodegenerative diseases through our deep commitment to degeneration biology and principles of translational medicine. Denali is founded on the collaboration of leading scientists, industry experts, and investors who share the vision that scientific discovery energetically applied to translational medicine is the key to delivering effective therapies to patients.

We invite you to consider an opportunity with Denali to help achieve our goal of delivering meaningful therapeutics to patients.

This position is responsible for leading, characterizing and validating purification processes, as well as authoring IND/BLA sections to support our large molecule pipeline.

Key Accountabilities/ Core Job Responsibilities:

  • Independently lead purification/downstream process characterization, tech transfer, and late-stage activities, anticipating issues and driving execution.
  • Author protocols, coordinate study execution, review analytical results, generate/review reports, and author IND/BLA sections
  • Coordinate internal team to generate late-stage process characterization and/or validation data packages
  • Support selection/coordination of CDMOs as needed to generate high-quality late-stage data packages
  • Transfer purification processes to CMOs and support ongoing manufacturing activities as needed
  • Support other late-stage projects and apply lessons learned to current projects.
  • Design and execute lab-scale chromatography and filtration studies to inform and support large scale process decisions
  • Maintain existing workflows to provide purification support for cell line and cell culture development activities
  • Execute methods for in-process testing using ELISA, HPLC, UV and SDS-Page based analytics

Qualifications/Skills:

  • Typically requires a PhD in Biology, Biochemistry, Chemical Engineering or related scientific discipline, plus 10+ years' of related work experience.
  • Experience with purification process characterization and validation.
  • Experience reviewing batch records and familiarity with Process Performance Qualification (PPQ) campaigns.
  • Proven track record of representing bioprocess functions in cross-functional teams and working effectively with CMOs.
  • Broad experience in process characterization, design of experiments and analytics.
  • Experience developing protein purification processes to support early or late-stage clinical production.
  • Expertise in AKTA protein purification systems and antibody characterization methods including: HPLC, LC/MS, SDSPAGE, DLS and other biophysical techniques.
  • Excellent critical thinking, scientific problem-solving and communication skills
  • Familiarity with BLA authoring is preferred.
  • Knowledge of process virology, including working with contract labs to plan and execute viral clearance studies is preferred.
Salary Range: $159,000.00 to $207,000.00 .Compensation for the role will depend on a number of factors, including a candidate's qualifications, skills, competencies, and experience. Denali offers a competitive total rewards package, which includes a 401k, healthcare coverage, ESPP and a broad range of other benefits. Learn more at https://www.denalitherapeutics.com/careers

This compensation and benefits information is based on Denali's good faith estimate as of the date of publication and may be modified in the future.

Denali is committed to its core company value of unity by creating a diverse and inclusive environment. We are proud to be an equal opportunity employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity and/or expression, status as a veteran, basis of disability, or any other federal, state, or local protected class.

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