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Cell Based Potency Assay Jobs in Delaware (NOW HIRING)

Cell Based Potency Assay information

What are some common challenges faced when developing and validating cell-based potency assays in a laboratory setting?

Developing and validating cell-based potency assays can be challenging due to the inherent biological variability of living cells, which can impact assay reproducibility and consistency. Additionally, optimizing assay conditions—such as cell passage number, incubation times, and reagent quality—requires careful attention to detail. Collaboration across multidisciplinary teams, including scientists, quality control, and regulatory affairs, is often necessary to ensure the assay meets rigorous industry and compliance standards. Successful candidates should be comfortable troubleshooting technical issues and adapting protocols to achieve reliable results.

What are the key skills and qualifications needed to thrive as a Cell Based Potency Assay Scientist, and why are they important?

To excel as a Cell Based Potency Assay Scientist, you need a solid background in cellular biology, assay development, and quantitative analysis, usually supported by a degree in life sciences or a related field. Familiarity with laboratory instruments like flow cytometers, plate readers, and proficiency in data analysis software such as GraphPad Prism are typically required, along with knowledge of GMP/GLP standards. Attention to detail, strong problem-solving abilities, and effective communication skills are essential soft skills in this role. These competencies ensure accurate assay results, regulatory compliance, and clear collaboration with cross-functional teams in biopharmaceutical development.

What are cell based potency assays?

Cell based potency assays are laboratory tests that use living cells to measure the biological activity of a drug, vaccine, or biologic product. These assays help determine how effective a compound is in producing a desired cellular response, making them crucial for drug development and quality control. By closely mimicking the drug’s mechanism of action in the body, they provide more relevant information about efficacy and safety compared to non-cellular assays.

What is the difference between Cell Based Potency Assay vs Cell Culture Technician?

AspectCell Based Potency AssayCell Culture Technician
Primary ResponsibilitiesAssessing the biological activity of products using cell-based methodsMaintaining and preparing cell cultures for various experiments
Required SkillsKnowledge of assay development, data analysis, cell biology techniquesCell culture techniques, aseptic handling, media preparation
Work EnvironmentLaboratories focused on assay validation and quality controlCell culture labs, manufacturing, or research facilities
Common CertificationsBiotech or laboratory certifications, cell biology trainingCell culture training, laboratory safety certifications

While both roles involve working with cells, the Cell Based Potency Assay specialist focuses on developing and performing assays to measure product activity, whereas the Cell Culture Technician primarily prepares and maintains cell cultures. The assay role requires analytical skills and assay-specific knowledge, while the technician role emphasizes cell handling and maintenance skills.

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Infographic showing various Cell Based Potency Assay job openings in Delaware as of July 2026, with employment types broken down into 30% Locum Tenens, 5% Internship, 52% Full Time, 5% Part Time, 1% Contract, and 7% Summer. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution.
Downstream Operations Scientist

Other

Posted 7 days ago


University Of Delaware rating

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Job description

Downstream Operations Scientist

Apply now Job no: 502528
College / VP Area: Research Office
Work type: Staff
Location: Newark, DE
Categories: Research & Laboratory, Full Time

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Pay Grade: 33E

Context of the Job:

The Downstream Operations Scientist is responsible for leading downstream purification unit operations for materials from bioreactors and shake flasks with culture volumes ranging from 250mL to 50L in scale at the National Institute for Innovation in Manufacturing Biopharmaceuticals (NIIMBL). The work will involve 21CFR58 compliant downstream operations and data analysis, including utilizing automation systems. The scientist will also collaborate with bioreactor specialists and an analytical team.

Among other activities, NIIMBL executes technical projects that advance the readiness levels of relevant technologies, assays, and methods. The scopes of scientific projects generally include many organizations as partners and collaborators such as scientists from several large and small companies, a scientist from a Federal agency, and a scientist from a University. Many of these projects will be hosted at the University of Delaware in a state-of-the-art laboratory facility purpose-built for such studies. These projects will involve a diverse set of technologies and approaches and address drug substance, drug product, and analytical needs by the industry appropriate to several types of biopharmaceuticals: vaccines, therapeutic proteins and antibodies, antibody-drug conjugates, bispecific antibodies, gene therapy vectors, and cell therapies, among others.

Major Responsibilities

  • Serve as a lead technical scientist on multiple projects involving downstream purification unit operations for the manufacture of industrially relevant products and related activities.
  • Adhere to 21CFR58 GxP guidelines in execution of work.
  • Set-up, operate, troubleshoot, maintain, and clean downstream bioprocessing equipment.
  • Use manufacturing experience to identify process parameters and define their setpoints.
  • Perform DoE studies to confirm the impact of process parameters on impurity levels, product recovery, and potency.
  • Characterize performance of existing purification and formulation unit operations, including column chromatography (e.g., ProA, SEC, CEX, AEX), filtration, TFF, and bulk filling.
  • Develop new primary recovery unit operations such as centrifugation, homogenization, flocculation, tangential-flow filtration (TFF), and depth filtration.
  • Develop new chromatography unit operations, from screening and characterization to optimization and initial scale-up.
  • Optimize buffer compositions to improve the stability and solubility of target molecules.
  • Collaborate with an analytical team to adapt and troubleshoot research analytical methods such as HPLC, SDS-PAGE, enzyme activity and endotoxin assays to quantify yield, activity, and purity at various stages of the manufacturing process.
  • Document all work and analyses in an electronic lab notebook. Perform tracking and trend analysis of method performance.
  • Analyze process performance trends, perform statistical data analysis, and present data to teams.
  • Partner with Informatics Infrastructure team on deploying structured data capture systems.
  • Draft and revise SOPs and batch records.
  • Maintain detailed documentation of lab activities and tabulation of data.
  • Compile data generated to present and discuss at team meetings.
  • Author, review and edit technical reports and manuscripts intended for publication.
  • Stay current with relevant technologies and scientific literature.
  • Perform other job-related duties as assigned.

Qualifications:

  • A Masters in chemical engineering or relevant life science discipline and 5 years of industrially relevant downstream purification experience is required with preference for experience in a 21CFR58-compliant GxP environment, or a PhD in chemical engineering or relevant life science discipline and 2 years of industrially relevant downstream purification experience is required with preference for experience in a 21CFR58-compliant GxP environment.
  • Hands-on experience with a range of downstream unit operations and control systems, experience with DeltaV preferred.
  • Operates chromatography skids and other bioprocess equipment for purification of industrially relevant materials.
  • Knowledge of biotech manufacturing process and equipment including cell culture, depth and tangential flow filtration, column chromatography, protein purification and formulation and/or buffer and media operations.
  • Possess a contribution mindset fueled by an inner drive to take initiative without being directed.
  • Excellent interpersonal and managing skills with the desire to work collaboratively and effectively in a team environment.
  • Ability to demonstrate effective leadership through communication, respect, influence, persuasion, and trust.
  • Excellent problem solving and critical thinking skills.
  • Excellent writing, communication, and presentation skills.
  • Strong MS Excel, PowerPoint, and Word skills. Microsoft Project skills.
  • Excellent organization and planning skills.
  • Strong attention to detail and ability to adhere to standards procedures.
  • Ability to function in a rapidly changing environment.

Notice of Non-Discrimination and Equal Opportunity
The University of Delaware does not discriminate against any person on the basis of race, color, national origin, sex, gender identity or expression, sexual orientation, genetic information, marital status, disability, religion, age, veteran status or any other characteristic protected by applicable law in its employment, educational programs and activities, admissions policies, and scholarship and loan programs as required by Title IX of the Educational Amendments of 1972, the Americans with Disabilities Act of 1990, Section 504 of the Rehabilitation Act of 1973, Title VII of the Civil Rights Act of 1964, and other applicable statutes and University policies. The University of Delaware also prohibits unlawful harassment including sexual harassment and sexual violence.

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