Resources

Proteomics Databases



Metabolomics Databases

• • Advantages and Disadvantages of SWATH-MS

  What Is SWATH-MS? SWATH-MS is a mass spectrometry technique based on data-independent acquisition (DIA), first introduced by SCIEX. Unlike the traditional data-dependent acquisition (DDA) approach, SWATH-MS does not rely on on-the-fly precursor ion selection. Instead, it divides the full m/z scan range into a series of fixed-width windows and fragments all ions within each window, thereby systematically acquiring all detectable fragment ion spectra. Its core strengths include high throughput, excellent.....

• • SWATH-MS Data Analysis Workflow and Common Pitfalls

  Introduction: The Power of SWATH-MS Relies on Proper Data Analysis SWATH-MS (Sequential Window Acquisition of All Theoretical Fragment Ion Spectra), a representative technique in data-independent acquisition (DIA), has significantly advanced large-scale, highly reproducible, and label-free quantitative proteomics. However, the intrinsic complexity of the data poses challenges, including intricate analysis workflows, strong parameter dependencies, and high variability in analytical outcomes. This article....

• • Application and Analysis of Advantages of SWATH-MS in Plasma Proteomics

  Plasma is among the most complex and research-relevant biological sample types. It carries protein signatures secreted from tissues throughout the body and is widely used in biomarker discovery, early disease diagnosis, and precision medicine due to its accessibility and high stability. However, plasma proteomics faces two major challenges: 1. An extremely wide dynamic range (>10¹⁰), with a small number of high-abundance proteins (e.g., albumin, globulin) accounting for over 90% of the total protein .......

• • How to Use SWATH-MS for Label-Free Protein Quantification?

  In proteomics research, label-free quantification (LFQ) has become an increasingly prominent approach for differential protein profiling and mechanistic studies. This is largely attributed to its advantages, including the elimination of costly labeling reagents, scalability with respect to sample number, and compatibility with clinical specimens. Among the diverse LFQ strategies, SWATH-MS—representing a data-independent acquisition (DIA)-based method—integrates the broad identification capability of........

• • Yellow Skin: Glycation? MtoZ Biolabs Unravels the Mystery

  Skin - an essential part of our body, not only a marker of external beauty, but also an important reflection of our health status. Glycation is a natural process in the human body that occurs when sugars such as glucose or fructose bind with skin's collagen and elastin proteins, making the skin's collagen stiff, causing the skin to lose its natural structural support, resulting in wrinkles, fine lines, and sagging. Skin glycation is a non-enzymatic biochemical process that involves the reaction betwee......

• • Advanced LC-MS Method for DON (Vomitoxin) Detection in Food Products

  In the domain of food safety, the detection of deoxynivalenol (DON, commonly known as vomitoxin) remains a significant challenge. Produced by specific fungal species, this mycotoxin is frequently detected in grains and flour and can pose a wide range of health risks. With increasing public and industry concern regarding food safety, the accurate detection of DON has become a central focus for both regulatory agencies and food manufacturers. The LC-MS (liquid chromatography–mass spectrometry) platform ......

• • Explore Protein Peptides: MtoZ Biolabs' Solution

  Food protein bioactive peptides are small molecular peptides composed of short-chain amino acids. They not only exist naturally in food but can also be derived from protein degradation in food. These peptides have multiple biological activities, including antioxidant, anti-inflammatory, hypotensive, and immune-regulating properties, making them of significant value in the development of healthy and functional foods.   The Importance of Bioactive Peptides Bioactive peptides are organic, isolated fragme......

• • What Is SWATH Mass Spectrometry?

  With the rapid advancement of proteomics, mass spectrometry has become a central tool for uncovering the molecular mechanisms underlying biological processes. Mass spectrometry techniques have continuously evolved—from early Data-Dependent Acquisition (DDA) methods to more recent Data-Independent Acquisition (DIA) strategies—enabling significant improvements in the depth, accuracy, and reproducibility of proteomic data. Within the DIA framework, SWATH-MS (Sequential Window Acquisition of All Theoretical....

• • Quantitative Analysis of SWATH Proteomics Using OpenSWATH: A Complete Workflow Overview

  SWATH-MS (Sequential Window Acquisition of All Theoretical Mass Spectra) is a mass spectrometry technique based on Data-Independent Acquisition (DIA), and has gained widespread adoption in proteomics research in recent years. Owing to its excellent reproducibility, high throughput, and comprehensive proteome coverage, it has become a preferred approach for large-scale quantitative analysis. Among the available tools for processing DIA data, OpenSWATH stands out as one of the most widely used, offering an...

• • SWATH-MS vs DDA-MS: Which Technique Is Suitable for Your Research?

  In proteomics research, selecting an appropriate mass spectrometry acquisition method is crucial for obtaining high-quality data. Among the most prevalent approaches are SWATH-MS (Sequential Window Acquisition of all Theoretical fragment ion spectra) and DDA-MS (Data-Dependent Acquisition), each offering distinct advantages. A clear understanding of their underlying principles, application contexts, and technical limitations can guide researchers in developing sound experimental strategies. What Is DDA.....