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    Resources

      Proteomics Databases

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      Metabolomics Databases

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    • • MS/MS Proteomics

      MS/MS Proteomics, or tandem mass spectrometry proteomics, is an advanced analytical technique used to explore the protein composition and structure of biological samples in depth. By fragmenting proteins into peptide sequences, mass spectrometry enables the identification and quantification of proteins. This method is indispensable in biological and medical research because proteins are integral to cellular functions. Understanding how protein expression changes under various biological states and con......

    • • Global Proteomic Analysis

      Global proteomic analysis is a proteomics approach that systematically investigates all proteins within an organism, focusing on their composition and changes in expression. Unlike traditional methods that analyze one or a few proteins, global proteomics provides a comprehensive view of proteomic features under varying physiological or pathological conditions. This approach aids researchers in understanding complex cellular functions, signaling pathways, and protein interactions. The central aspect of......

    • • Flow Cytometry Protein Quantification

      Flow cytometry protein quantification is a high-throughput analytical technique grounded in flow cytometry, enabling precise measurement of target protein expression at the single-cell level. This method uses fluorescently labeled antibodies that bind specifically to target proteins, with a flow cytometer detecting the intensity of the fluorescence signals to quantify protein expression within a cell population. Unlike traditional protein quantification methods such as Western blot or ELISA, flow cyto......

    • • ESI Proteomics

      ESI proteomics is a method in proteomics research that leverages ESI technology. This technique involves using a high-voltage electric field to transform protein solutions into charged microdroplets. These droplets convert into gas-phase ions upon desolvation, facilitating efficient ionization and mass spectrometric analysis of proteins and peptides. As a "soft ionization" technology, ESI excels in preserving the structural integrity of macromolecules like proteins, while offering high sensitivity in ......

    • • Environmental Proteomics

      Environmental proteomics is an emerging interdisciplinary field that employs high-throughput techniques, such as mass spectrometry, to study the composition, function, and dynamic changes of proteins in environmental samples. This field aims to elucidate the biomolecular response mechanisms within environmental systems and their ecological and health implications. Unlike traditional genomic or metabolomic studies, environmental proteomics directly focuses on proteins, which are the functional expressi......

    • • Gel-Based Proteomics

      Gel-based proteomics is a key method in proteomics research that employs gel electrophoresis for protein separation and analysis. This technique separates proteins based on molecular weight, isoelectric point, or charge, and integrates methods such as staining and mass spectrometry for the qualitative and quantitative analysis of proteins. One of the strengths of gel-based proteomics is its ability to visually represent the complexity of proteomes and highlight differences in protein expression throug......

    • • Disease Proteomics

      Disease proteomics is concerned with the systematic study of proteins and their expression patterns related to diseases. This field aims to uncover the mechanisms of disease occurrence and progression, as well as the characteristics of biomarkers. Unlike traditional genomic research, disease proteomics focuses on protein functions, interactions, modifications, and their roles in disease processes. Proteins, being the products of gene expression, play critical biological roles both inside and outside t......

    • • DIGE Analysis

      DIGE analysis is a powerful technique for studying variations in protein expression, based on the principles of traditional two-dimensional gel electrophoresis (2-DE). Unlike traditional methods, DIGE enhances the accuracy and efficiency of quantitative and differential protein analysis by using fluorescent dyes to label samples. This approach labels samples with distinct colors, allowing for the simultaneous separation and comparison of multiple samples on a single gel, thereby minimizing data bias f......

    • • DIGE 2D Gel Electrophoresis

      DIGE 2D gel electrophoresis is a classic protein separation technique that plays a crucial role in proteomics research. Utilizing two orthogonal separation mechanisms-Isoelectric Focusing (IEF) and SDS-PAGE (Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis)-this method effectively separates proteins on a two-dimensional plane. This allows for the clear analysis of thousands of proteins in complex samples. Since its inception in the 1970s, it remains an essential tool in proteomics due to its ......

    • • Differential Proteomics

      Differential proteomics analysis involves using quantitative proteomics techniques to study protein expression changes under various physiological or pathological conditions, aiming to identify proteins with significant expression differences. Unlike traditional molecular biology methods, differential proteomics provides a comprehensive view of the dynamic changes in hundreds or thousands of proteins, thus elucidating their roles in biological processes. This approach is applicable across numerous fie......

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