Assays
What is an Assay?Filters
Flow cytometry is employed to quantitatively measure cell surface and/or intracellular markers, enabling characterization of cell populations based on fluorescence intensity and light scatter properties. This assay utilizes a flow cytometer to analyze individual cells in suspension, providing multi-parametric data on cell phenotype, viability, activation state, or other biological attributes as defined by the experimental panel. Samples are processed, stained with fluorescently labeled antibodies ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
Flow cytometry is a laser-based, high-throughput single-cell analysis technique used to simultaneously measure multiple physical and fluorescent characteristics of cells or particles in suspension. This assay quantifies cell populations based on parameters such as cell size (forward scatter), granularity (side scatter), and fluorescence intensity of labeled surface or intracellular markers, enabling immunophenotyping, cell cycle analysis, viability assessment, and functional studies. Samples are ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay captures administrative and clinical metadata associated with patient study visits, serving as a structured data collection framework rather than a biological measurement assay. It records visit-level contextual information such as visit dates, timepoints, subject identifiers, clinical site details, and protocol-relevant annotations that are essential for linking experimental samples and assay results to their proper clinical context. This metadata layer ensures traceability and data ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay captures metadata associated with tissue collection procedures, documenting critical provenance and contextual information for biological specimens obtained from study subjects. It records standardized parameters such as tissue type, anatomical source, collection method, preservation conditions, and relevant donor or sample identifiers to ensure traceability and reproducibility across downstream experimental workflows. This metadata serves as a foundational record linking collected ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
Positron emission tomography combined with computed tomography (PET-CT) is a hybrid nuclear medicine imaging assay that simultaneously measures functional metabolic activity and anatomical structure within the body. Radioactive tracers (typically 18F-fluorodeoxyglucose, FDG) are administered to the subject, and their differential uptake is detected by the PET component to quantify metabolic or biochemical processes, while the CT component provides high-resolution structural localization. The "Data ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
An antibody titer assay determines the concentration of antibodies in a sample through serial dilution and detection. The process measures the dilution at which a detectable signal is maintained to assess immune strength. Input: Serum or antibody-containing sample Output: Quantitative antibody titer value.
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
Antibody titer analysis interprets and visualizes quantitative results from antibody titration assays. It calculates endpoint values and generates comparative summaries across samples or timepoints. Input: Raw antibody titer data Output: Processed antibody concentration results and summary plots.
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
Flow cytometry is employed to quantitatively measure cell surface and/or intracellular markers, enabling characterization of cell populations based on fluorescence intensity and light scatter properties. This assay utilizes a flow cytometer to analyze individual cells in suspension, providing multi-parametric data on cell phenotype, viability, activation state, or other biological attributes as defined by the experimental panel. Samples are processed, stained with fluorescently labeled antibodies ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay captures administrative and clinical metadata associated with patient study visits, serving as a structured data collection framework rather than a biological measurement assay. It records visit-level contextual information such as visit dates, timepoints, subject identifiers, clinical site details, and protocol-relevant annotations that are essential for linking experimental samples and assay results to their proper clinical context. This metadata layer ensures traceability and data ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay quantifies gene expression at single-cell resolution by linking individual cell transcriptomic profiles to associated experimental or clinical data, enabling integrative analysis across multiple data modalities. Single-cell RNA sequencing (scRNA-seq) technology is employed to capture and measure the transcriptional activity of individual cells, generating high-dimensional expression matrices that are subsequently processed through quality control, normalization, and dimensionality ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
Short read sequencing is a high-throughput next-generation sequencing (NGS) approach used to determine the nucleotide sequence of DNA or RNA fragments, enabling detection of genetic variants, gene expression profiles, or genomic features depending on the library preparation strategy employed. This assay involves fragmentation of input nucleic acids, adapter ligation, and amplification prior to sequencing on short-read platforms (such as Illumina), generating millions of short sequence reads ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay captures metadata associated with tissue collection procedures, documenting critical provenance and contextual information for biological specimens obtained from study subjects. It records standardized parameters such as tissue type, anatomical source, collection method, preservation conditions, and relevant donor or sample identifiers to ensure traceability and reproducibility across downstream experimental workflows. This metadata serves as a foundational record linking collected ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
DNA sequencing libraries are constructed from genomic DNA extracted from tissue samples through a series of enzymatic and physical processing steps, including DNA fragmentation, end-repair, adapter ligation, and amplification. This workflow prepares nucleic acid material for downstream high-throughput sequencing by converting extracted DNA into indexed, platform-compatible libraries. The resulting libraries enable comprehensive genomic or transcriptomic interrogation of tissue-derived specimens, ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay captures administrative and clinical metadata associated with patient study visits, serving as a structured data collection framework rather than a biological measurement assay. It records visit-level contextual information such as visit dates, timepoints, subject identifiers, clinical site details, and protocol-relevant annotations that are essential for linking experimental samples and assay results to their proper clinical context. This metadata layer ensures traceability and data ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
Flow cytometry is a laser-based, high-throughput single-cell analysis technique used to simultaneously measure multiple physical and fluorescent characteristics of cells or particles in suspension. This assay quantifies cell populations based on parameters such as cell size (forward scatter), granularity (side scatter), and fluorescence intensity of labeled surface or intracellular markers, enabling immunophenotyping, cell cycle analysis, viability assessment, and functional studies. Samples are ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay captures metadata associated with tissue collection procedures, documenting critical provenance and contextual information for biological specimens obtained from study subjects. It records standardized parameters such as tissue type, anatomical source, collection method, preservation conditions, and relevant donor or sample identifiers to ensure traceability and reproducibility across downstream experimental workflows. This metadata serves as a foundational record linking collected ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay captures metadata associated with bacterial extraction procedures, documenting the experimental parameters, sample identifiers, reagents, and procedural conditions used during the isolation and extraction of bacterial material from biological or environmental samples. It serves as a standardized record-keeping component that accompanies downstream analytical assays, ensuring traceability and reproducibility by cataloging key variables such as sample source, extraction method, instrument ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
Library preparation converts extracted nucleic acids into sequencing-ready libraries. The process includes fragmentation, adapter ligation, and amplification to generate consistent input for sequencing instruments. Input: TIS, CEL, DNA or RNA sample Output: Indexed sequencing library suitable for sequencing assays.
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
Short read sequencing is a high-throughput next-generation sequencing (NGS) approach used to determine the nucleotide sequence of DNA or RNA fragments, enabling detection of genetic variants, gene expression profiles, or genomic features depending on the library preparation strategy employed. This assay involves fragmentation of input nucleic acids, adapter ligation, and amplification prior to sequencing on short-read platforms (such as Illumina), generating millions of short sequence reads ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
TransCompR cross-species modeling integrates datasets across species to predict conserved biological relationships. It applies computational models to align gene or protein networks. Input: Cross-species expression or phenotype datasets Output: Modeled comparative relationships and prediction outputs.
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay captures metadata associated with cell isolation procedures, documenting the methodological parameters, reagents, instruments, and conditions used to separate and purify specific cell populations from biological samples. It serves as a standardized record of the isolation workflow, including details such as tissue source, dissociation methods, separation techniques (e.g., density gradient centrifugation, fluorescence- or magnetic-activated cell sorting), and quality metrics applied to ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay captures metadata associated with tissue collection procedures, documenting critical provenance and contextual information for biological specimens obtained from study subjects. It records standardized parameters such as tissue type, anatomical source, collection method, preservation conditions, and relevant donor or sample identifiers to ensure traceability and reproducibility across downstream experimental workflows. This metadata serves as a foundational record linking collected ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay captures metadata associated with pathogen challenge experiments conducted in conjunction with antibody depletion procedures, documenting key experimental parameters such as challenge agent identity, dose, route of administration, timepoints, and antibody depletion regimens employed. It serves as a structured record-keeping framework to annotate study design variables, animal cohort assignments, and treatment conditions that contextualize downstream immunological and virological outcome ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
Library preparation converts extracted nucleic acids into sequencing-ready libraries. The process includes fragmentation, adapter ligation, and amplification to generate consistent input for sequencing instruments. Input: TIS, CEL, DNA or RNA sample Output: Indexed sequencing library suitable for sequencing assays.
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
Flow cytometry is employed to quantitatively measure cell surface and/or intracellular markers, enabling characterization of cell populations based on fluorescence intensity and light scatter properties. This assay utilizes a flow cytometer to analyze individual cells in suspension, providing multi-parametric data on cell phenotype, viability, activation state, or other biological attributes as defined by the experimental panel. Samples are processed, stained with fluorescently labeled antibodies ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
Flow cytometry is a laser-based, high-throughput single-cell analysis technique used to simultaneously measure multiple physical and fluorescent characteristics of cells or particles in suspension. This assay quantifies cell populations based on parameters such as cell size (forward scatter), granularity (side scatter), and fluorescence intensity of labeled surface or intracellular markers, enabling immunophenotyping, cell cycle analysis, viability assessment, and functional studies. Samples are ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay represents a model validation workflow in which experimental data are formally linked to a predictive or computational model to assess its accuracy and reliability. The validation process involves comparing model-predicted outputs against observed experimental measurements, using associated standard operating procedures to ensure consistent sample preparation, instrumentation, and analytical methods. Results are evaluated to confirm that the model meets predefined acceptance criteria ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
CITE-seq analysis processes multimodal single-cell data combining RNA sequencing and antibody-derived tags. It integrates transcriptomic and surface protein profiles to classify cell types and states. Input: Raw CITE-seq data Output: Processed expression matrices and integrated cell-type annotations.
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
Short read sequencing is a high-throughput next-generation sequencing (NGS) approach used to determine the nucleotide sequence of DNA or RNA fragments, enabling detection of genetic variants, gene expression profiles, or genomic features depending on the library preparation strategy employed. This assay involves fragmentation of input nucleic acids, adapter ligation, and amplification prior to sequencing on short-read platforms (such as Illumina), generating millions of short sequence reads ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB
This assay captures administrative and clinical metadata associated with patient study visits, serving as a structured data collection framework rather than a biological measurement assay. It records visit-level contextual information such as visit dates, timepoints, subject identifiers, clinical site details, and protocol-relevant annotations that are essential for linking experimental samples and assay results to their proper clinical context. This metadata layer ensures traceability and data ...
Submitter: Charles Demurjian
Assay type: Experimental Assay Type
Technology type: Technology Type
Investigation: IMPAcTB