HolobiomicsLab
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- ▌ Transformer Encoder Architecture Implementation · holobiomicslabUse when when processing sequential spectroscopic data (1H NMR spectra) where both local chemical shift patterns and global spectral dependencies are needed for compound classification.
- ▌ Chromatin Accessibility Occupancy Prediction · holobiomicslabUse when after you have (1) corrected ATAC-seq BAM files for Tn5 insertion bias using ATACorrect, (2) computed per-base footprint scores using ScoreBigwig, (3) obtained a motif database (e.
- ▌ Configuration File Generation And Templating · holobiomicslabUse when when deploying a complex bioinformatics pipeline (like HiC-Pro) across heterogeneous computing environments where required tools (bowtie2, samtools, R, Python) may be installed in non-standard locations, differ in version, or require scheduler-specific configuration (TORQUE, SGE, SLURM.
- ▌ Fragment Length Estimation Cross Correlation · holobiomicslabUse when when beginning ChIP-Seq analysis with single-end BED/SAM input and no prior knowledge of the library's fragment length.
- ▌ Saddle Matrix Computation From Binned Tracks · holobiomicslabUse when you have a cooler Hi-C contact matrix file and an associated eigenvector track (from prior eigs_cis calculation or similar), and you need to quantify the preferential interaction patterns between A and B chromatin compartments.
- ▌ Acquisition Mode Enumeration And Validation · holobiomicslabUse when adopting a mass spectrometry-based analysis tool (e.
- ▌ Adduct Annotation Against Reference Library · holobiomicslabUse when after computing a histogram of all pairwise mass differences from an MSI dataset, use this skill when you have observed mass difference peaks that may correspond to known adducts (e.g., [M+H]+, [M+Na]+, [M−H2O]+).
- ▌ Binary Classification Output Interpretation · holobiomicslabUse when you have executed a binary classifier (such as BitterPredict.m) on a set of molecules with chemical structure descriptors and need to translate the raw predictions into a structured CSV output file that maps molecule identifiers to their predicted class labels (bitter or not-bitter).
- ▌ Chemical Informatics Data Format Conversion · holobiomicslabUse when when you have raw SMILES strings collected from multiple external databases that require standardization and deduplication before integration into a unified chemical structure database. Specifically, apply this skill when you need to convert interim/tables/0_original/structure/smiles.tsv.
- ▌ CI CD Pipeline Reproducibility Verification · holobiomicslabUse when when a repository displays a GitHub Actions workflow badge (e.
- ▌ Collision Cross Section Bias Quantification · holobiomicslabUse when you have ion mobility-mass spectrometry lipidomics data from samples spiked with U¹³C-labeled lipid internal standards (fully labeled yeast extract) and want to assess whether measured CCS values systematically deviate from a validated DT CCS N₂ reference library, indicating bias that may.
- ▌ Count Verification Against Published Values · holobiomicslabUse when when you have access to a curated dataset (such as LOTUS) with published headline statistics in a peer-reviewed article or enriched index, and you need to validate data integrity, trace reporting accuracy, or establish a reproducible baseline before downstream analysis.
- ▌ Cross Language Implementation Compatibility · holobiomicslabUse when when a new file format specification has multiple language implementations and you need to validate that all implementations correctly interpret the specification.
- ▌ Database Schema Design For Sequential Media · holobiomicslabUse when when you have large sequential media files (mzML spectra, text chapters, or similar) and need to enable both random access by ID and sequential iteration without loading the entire file into memory.
- ▌ Dataframe Construction From Backend Sources · holobiomicslabUse when when implementing a new MsBackend subclass that stores only a subset of core spectra variables (e.
- ▌ Deep Learning Model Architecture Validation · holobiomicslabUse when after converting or loading a Keras model to HDF5 TensorFlow 2.3.0 format, especially when the model will be served through a pipeline (e.g., NP Classifier) that expects specific input/output layer names.
- ▌ Deep Neural Network Training Regularization · holobiomicslabUse when training a DNN on retention time prediction or similar continuous regression tasks where: (1) the feature space is very high-dimensional (thousands of molecular descriptors and fingerprints), (2) the training set is moderately sized (tens of thousands of molecules), (3) you observe or.
- ▌ Dotnet Framework Installation In Containers · holobiomicslabUse when you need to containerize a C# application (e.g., AirdPro) that targets .NET Framework 4.8 and must run on Linux hosts via Docker, but the application was originally built for Windows. Use this skill when you are building multi-stage Docker images from a Ubuntu 22.
- ▌ Linear Regression Concentration Calibration · holobiomicslabUse when your metabolomics experiment includes calibration line samples with known concentrations for spiked compounds, and you have computed batch-corrected compound/internal-standard ratios (ratio_corrected assay) and wish to convert relative ratios into absolute quantitative values for pathway.
- ▌ Mass Spectrometry Data Visualization Pandas · holobiomicslabUse when when you have mass spectrometry data (mzML, Bruker .d, or CSV) loaded into a Pandas DataFrame with columns for m/z, retention time, ion mobility, or intensity values, and you need to render spectrum plots, chromatograms, mobilograms, or 2D peak maps.
- ▌ Molecular Descriptor Fingerprint Generation · holobiomicslabUse when you have a collection of chemical structures (SMILES, InChI, SDF, or mol formats) and need to train or apply a machine learning model for retention time prediction or molecular property estimation.
- ▌ Molecular Formula Assignment And Validation · holobiomicslabUse when you have a calibrated FT-ICR transient (ESI_NEG or similar ionization mode) and need to annotate each detected m/z peak with its most likely elemental composition.
- ▌ R Dependency Package Compatibility Auditing · holobiomicslabUse when a Shiny application or R-based tool is known to run on only one operating system (e.g., Windows-only), and you need to identify the root causes preventing execution on Linux or macOS before undertaking cross-platform porting.
- ▌ Shiny Application Cross Platform Adaptation · holobiomicslabUse when when a Shiny application is documented or observed to run only on Windows, blocking deployment to Linux or macOS users. Typical triggers include hardcoded Windows path separators, unavailable packages on non-Windows systems, or system calls specific to the Windows API.
- ▌ Sonarcloud Static Code Analysis Integration · holobiomicslabUse when when you have a GitHub-hosted Python project (or other supported language) with an existing test suite and want to gate code contributions on multiple quality dimensions beyond unit tests—specifically when you need automated reporting of code coverage, technical debt, security issues, and.
- ▌ Application Server Datasource Configuration · holobiomicslabUse when when deploying a Java web application (such as CEU Mass Mediator) that requires access to a database managed outside the application server, and you have obtained database credentials from the maintainers.
- ▌ Chemical Identifier Mapping Across Services · holobiomicslabUse when when you have .msp files with sparse or incomplete chemical metadata (e.g., only compound names) and need to populate missing identifiers (SMILES, InChI, InChI keys, CAS numbers, IUPAC names, formulas) by querying multiple external chemical databases.
- ▌ Class Imbalance Handling In Neural Networks · holobiomicslabUse when your PPI prediction dataset has a large mismatch between positive (true interactions) and negative (non-interactions) labels—typical in CF-MS interactome prediction where true interactions are rare. When training an end-to-end neural network (e.
- ▌ Computational Reproducibility Documentation · holobiomicslabUse when when releasing or archiving a computational workflow (e.g., an R or Python-based normalization pipeline) and you need to ensure that future users or reviewers can re-run the analysis in an identical computational environment.
- ▌ CSV Table Validation And Integrity Checking · holobiomicslabUse when you have received a raw peak table CSV (in either standardized format or output from metabolomic software tools like XCMS, MZmine, etc.) and a corresponding label file, and you need to confirm both files are well-formed and mutually consistent before passing them to NOREVA preprocessing.
- ▌ Deep Learning Model Training And Validation · holobiomicslabUse when you have paired mass-spectrometry spectral data (m/z and intensity arrays) with known molecular fingerprints or InChIKeys, and need to train a supervised deep learning model to predict fingerprints for novel spectra.
- ▌ Descriptive Statistics Aggregation By Group · holobiomicslabUse when after lipid matching is complete and you have a table of matched lipid abundances with sample annotations (e.g., experimental condition, disease state, or treatment group).
- ▌ Discrepancy Detection Threshold Calibration · holobiomicslabUse when normalizing metabolomics data using both QC and biological samples together.
- ▌ Distance Metric Computation Adjacency Index · holobiomicslabUse when you have a collection of tokenised BGCs (each gene represented as a combination of Pfam domains and subPfams) and need to identify redundant or highly similar clusters before downstream analysis.
- ▌ Domain Ontology Mapping Tcm And Ethnobotany · holobiomicslabUse when when integrating structure-organism pairs from TCM databases, ethnobotanical collections, or alternative medicine sources that use domain-specific or transliterated terminology (e.
- ▌ Enrichment Metric Scaling And Normalization · holobiomicslabUse when you have parsed GO enrichment results (CSV with GO term identifiers, p-values or adjusted p-values, gene ratios, and gene counts) and need to prepare these metrics for dotplot visualization.
- ▌ Feature Hashing Representation Mass Spectra · holobiomicslabUse when when you have high-resolution mass spectra that must be rapidly searched against large spectral libraries with open modifications, and you need to reduce the dimensionality of spectral data without losing the ability to retrieve spectrally similar peptides.
- ▌ Fiams Spectra Window Extraction And Merging · holobiomicslabUse when you have raw FIA-MS full-scan data in mzML format and need to prepare it for untargeted metabolite discovery. Apply this skill when your goal is to detect and annotate unknown metabolites across a wide m/z range (e.
- ▌ Flux Distribution Segregation Visualization · holobiomicslabUse when you have sampled feasible flux distributions from multiple constraint-based models (e.g., cell-line-specific variants of a metabolic model) and need to visually and quantitatively compare how well different constraint scenarios segregate biological samples.
- ▌ Ggplot2 Customization For Statistical Plots · holobiomicslabUse when when a statistical analysis function (e.g., random_forest or PCA_plot from Omu) returns a ggplot2 object and you need to adjust visual presentation—such as removing gridlines, applying a clean background theme (e.
- ▌ Ggplot2 Theme Customization For Publication · holobiomicslabUse when you have generated a ggplot2 object from a domain-specific function (e.g., omu's plot_volcano) and need to refine its appearance for publication.
- ▌ HTML Report Generation From Processed Omics · holobiomicslabUse when after completing batch normalization and quality control filtering on a Metaboprep object, when you need to communicate QC decisions, visualize exclusion patterns, and export final processed data for downstream analysis or sharing with collaborators.
- ▌ Ion Image Augmentation Contrastive Learning · holobiomicslabUse when when you have preprocessed mass spectrometry ion images (single-channel 2D arrays or multi-channel spectral images) and need to train a self-supervised encoder to learn low-dimensional representations for downstream tasks such as co-localized ion discovery (COL mode) or isotope ion.
- ▌ Ion Mobility Filtering And Tolerance Tuning · holobiomicslabUse when your raw MSI dataset is acquired on an ion-mobility-enabled instrument (e.g., Bruker .baf, .tsf, or .tdf formats) and your analyte of interest has a known or experimentally determined ion mobility value (1/K0 or drift time μs).
- ▌ Laser Ablation Isotope Image Interpretation · holobiomicslabUse when you have imported a raw LA-ICP-MS raster image (line-by-line, spot-wise, or ablation-time-aligned format) and need to isolate tissue regions from instrumental background or air before quantifying regional elemental abundance.
- ▌ Mass Spectrometry Data Object Instantiation · holobiomicslabUse when when you have mass spectrometry data stored in non-standard formats (SQLite, HDF5, custom binary) that pymzML does not natively support, and you want to enable random-access and sequential parsing of spectra without converting to mzML first.
- ▌ Mass Spectrometry Data Structure Conversion · holobiomicslabUse when when you have received metabolomics mass-spectrometry data in vendor-native or open formats (.raw, .d, mzXML) and need to ingest it into SMART for preprocessing, peak detection, or statistical analysis.
- ▌ Mass Spectrometry Quantification Extraction · holobiomicslabUse when you have raw LipidSearch or LIQUID output files (CSV or TSV format) containing lipid identifiers and per-sample quantification measurements, and you need to convert them into a machine-readable data matrix for downstream statistical analysis, normalization, or differential abundance.
- ▌ Mass Spectrum Scan Extraction And Windowing · holobiomicslabUse when when you have a full mass spectrum scan (e.g., FT1 or FT2 scan from an Orbitrap or IonTrap instrument) and need to isolate a narrow m/z window containing a known or predicted precursor ion before matching it to theoretical isotopic envelopes.
- ▌ Metabolite Column Filtering By Missing Rate · holobiomicslabUse when apply this filter when raw metabolomics data contains metabolite columns with varying amounts of missing values and you aim to conduct statistical analysis or imputation. The trigger is the presence of column-wise NA prevalence >10% in metabolite features;
- ▌ Metabolite Correlation Network Construction · holobiomicslabUse when after variance-stabilizing normalization and imputation of metabolomic data when you have a MultiAssayExperiment object containing normalized metabolite abundances and wish to identify groups of co-abundant metabolites that may share biochemical pathways or regulatory mechanisms.
- ▌ Metabolomic Data Preprocessing Optimization · holobiomicslabUse when you have multi-class or time-course metabolomic peak tables (with or without quality control samples and/or internal standards) and need to select the preprocessing workflow from hundreds of candidate combinations.
- ▌ Metabolomics Software Build Reproducibility · holobiomicslabUse when when developing or maintaining a multi-platform metabolomics GUI tool (such as Maven GUI) that must produce binary executables for end users, and you need to ensure that builds are reproducible across different OS platforms, dependency versions are pinned and tracked, and release artifacts.
- ▌ Model Validation And Performance Evaluation · holobiomicslabUse when after training a MEISTER deep learning reconstruction model on mass spectrometry data, you must validate performance on independent test sets before applying the model to new experimental or clinical samples.
- ▌ Molecular Formula Heteroatom Classification · holobiomicslabUse when after molecular formula assignment has been completed on detected peaks in a processed mass spectrum object.
- ▌ Molecular Structure Representation Learning · holobiomicslabUse when when you have paired mass spectra and molecular structure data and need to train a model that can bidirectionally map between experimental spectra and chemical structures.
- ▌ Msi Data Visualization And Spatial Analysis · holobiomicslabUse when when you have imzML-format MSI data and need to identify biochemical species in specific tissue regions or anatomical structures.
- ▌ Multi Channel Image Registration Validation · holobiomicslabUse when after importing and manually aligning two element channels in LA-ICP-MS images, use this skill to confirm registration quality before computing spatial relationships.
- ▌ Multi Generation Transformation Hierarchies · holobiomicslabUse when the analytical goal requires detection of downstream transformation products that are not direct metabolites of the parent but rather products of further metabolism or degradation (e.g., secondary metabolites, conjugates of phase I products).
- ▌ Normalization Method Comparative Evaluation · holobiomicslabUse when you have raw metabolomics intensity data affected by batch effects and signal drift, and need to select among multiple normalization approaches based on published comparative metrics.
- ▌ Numerical Feature Serialization And Storage · holobiomicslabUse when after computing molecular descriptors (RDKit, mordred) or featurizing chromatographic parameters (column metadata, gradient slopes, pH, additives), you have a NumPy array or list of arrays in memory that must be persisted for reproducibility, shared across pipeline stages, or archived.
- ▌ Outlier Detection Via Multivariate Distance · holobiomicslabUse when after batch normalization when you have a Metaboprep object with metabolomic feature data and need to identify samples that are statistical outliers in the high-dimensional feature space. Use it when you want to detect unusual sample profiles before downstream multivariate analyses (e.
- ▌ Pearson Correlation Coefficient Computation · holobiomicslabUse when after annotating mass-difference pairs with candidate adduct identities, compute correlations to test whether putative parent and adduct ion intensities co-vary across the imaging pixel grid. High positive correlation (with Bonferroni-corrected p-value < 0.
- ▌ Polarity Filtering In Targeted Metabolomics · holobiomicslabUse when when working with targeted LC–MS metabolomics or lipidomics data where compound targets span both positive and negative ionization modes, or when your raw .
- ▌ Rt Uncertainty Quantification And Filtering · holobiomicslabUse when you have a set of metabolite candidates with observed retention times and access to a trained DNN retention time predictor (MAE 39.2±1.2 s) or meta-learned projections between chromatographic methods.
- ▌ Scalable Network Inference High Dimensional · holobiomicslabUse when when working with feature abundance tables (rows=features, columns=samples) where the feature count exceeds 10,000 and you need to infer a network of correlations between features.
- ▌ Spearman Correlation Computation Microbiome · holobiomicslabUse when you have cross-validated predictions of metabolite abundances from a microbiome-metabolome model and need to: (1) measure predictive accuracy at the individual metabolite level; (2) aggregate performance across all metabolites to report mean SCC;
- ▌ Spectral Feature Extraction And Integration · holobiomicslabUse when when you have a base message passing neural network (e.g., chemprop) trained on molecular graphs and need to augment it with infrared spectral information to improve prediction accuracy for molecular properties.
- ▌ Spectral Vector Representation And Encoding · holobiomicslabUse when when you have a set of mass spectra (query or library) that need to be searched against a large spectral reference database, and you want to use fast approximate nearest neighbor methods rather than exhaustive pairwise comparisons.
- ▌ Spectrum Processing Throughput Benchmarking · holobiomicslabUse when when selecting a spectrum processing library for high-throughput proteomics or metabolomics workflows, or when optimizing an existing pipeline for computational efficiency. Apply this skill when you have access to representative raw MS data (e.
- ▌ String Value Construction From Tabular Data · holobiomicslabUse when you have a JSON table (e.g., protocol records with 'type', 'id', and 'description' fields) and need to create a single concatenated string value by selecting a subset of records matching a condition (e.
- ▌ Structural Identifier Completeness Checking · holobiomicslabUse when preprocessing open mass spectrometry libraries (OMSLs) or aggregated spectral datasets where structural identifiers are inconsistently populated.
- ▌ Tensor Dimension Alignment And Broadcasting · holobiomicslabUse when when implementing a multi-task deep learning model that predicts charge, isotope count, and retention time simultaneously from mass spectrometry data, and separate feature extraction branches produce tensors of different semantic dimensions that must be integrated.
- ▌ Tool Parameter Specification And Validation · holobiomicslabUse when you have a working R package (e.g., IonFlow for ionomics data analysis) that performs well in standalone R environments, but need to expose it as a reusable Galaxy tool so that non-expert users can invoke it without writing R code, while preserving parameter semantics and validating input.
- ▌ Unit Test Design For Data Structure Classes · holobiomicslabUse when when implementing a new data structure class that extends standard Python collections (e.g., collections.UserDict) and must support multiple initialization modes, operator overloading (__add__, __sub__), custom string formatting (__str__, __repr__), and validation logic.
- ▌ Visual Pattern Recognition In Spectral Data · holobiomicslabUse when after database search algorithms have scored unknown MS samples against reference species, and you need to visually inspect and confirm species assignments or identify ambiguous classifications.
- ▌ CI Pipeline Reproducibility Verification · holobiomicslabUse when you have cloned a scientific Python project (e.g., scverse/scanpy) and need to verify that your local development environment matches the CI specification before submitting contributions, or when auditing whether the published test suite executes without failures on a fresh checkout.
- ▌ Dimensionality Reduction Via Reverse Pca · holobiomicslabUse when you have a normalized single-cell expression matrix (e.g., after SCTransform) and need to compute gene-level covariance structure for pathway enrichment analysis (e.g., GESECA) rather than cell-level dimensionality reduction.
- ▌ Gene Set Enrichment Scoring Coregulation · holobiomicslabUse when you have a normalized gene expression matrix (log2-quantile normalized, filtered to high-variance genes) and a collection of annotated gene sets (e.g., Reactome, MSigDB pathways), and need to test whether specific pathways show significant coordinated expression shifts.
- ▌ Gsea Result Interpretation Visualization · holobiomicslabUse when after running fgsea() on a preranked gene list when you need to: (1) identify which pathways are most significantly enriched or depleted (lowest p-values), (2) distinguish between upregulated pathways (ES > 0) and downregulated pathways (ES < 0) within your gene set collection, (3).
- ▌ Hypothesis Weighting Statistical Control · holobiomicslabUse when when you have completed DESeq2 differential expression analysis on RNA-seq count data and obtained p-values for each gene, use IHW if you want to improve power to detect true positives beyond standard independent filtering.
- ▌ Lazy Computation Orchestration With Dask · holobiomicslabUse when your input is a spatial dataset (AnnData object with coordinate metadata) paired with a large tissue image, and you need to extract spatial features (via squidpy.im.calculate_image_features or similar operations) without loading the entire computation graph into memory.
- ▌ Linear Model Fitting For Gene Expression · holobiomicslabUse when you have a normalized gene expression matrix (genes × samples) and an experimental design with known treatment groups or conditions, and you need to estimate the effect of those conditions on expression levels while accounting for sample-to-sample variability.
- ▌ Ma Plot Visualization And Interpretation · holobiomicslabUse when after obtaining shrunken or unshrunken log fold change estimates from DESeq2 results objects, particularly when comparing multiple shrinkage estimator types (apeglm, normal, ashr) or evaluating the effect of shrinkage on fold change estimates across genes with varying expression levels.
- ▌ Marker Gene Identification By Clustering · holobiomicslabUse when you have a processed single-cell expression matrix (AnnData object) with pre-computed cluster assignments (e.g., leiden or louvain clusters in adata.obs) and want to discover which genes define each cluster's transcriptional identity.
- ▌ Memory Efficient Single Cell Computation · holobiomicslabUse when your input is a single-cell gene expression matrix too large to fit in RAM, or you are working in a resource-constrained environment (e.g., shared compute cluster, laptop with limited memory). You have constructed or loaded an AnnData object with X as a dask.array.
- ▌ Pathway Cell Type Association Validation · holobiomicslabUse when you have a multi-cluster single-cell RNA-seq dataset with cell-type annotations and you want to test whether known biological pathways (e.g., KEGG or MSigDB gene sets) show significantly elevated or differential enrichment across cell types.
- ▌ Rna Seq Differential Expression Analysis · holobiomicslabUse when you have RNA-seq read count data (from alignment tools, transcript quantification, or feature counting) organized in a count matrix with samples as columns and genes as rows, paired with sample metadata (condition, batch, treatment), and you want to test which genes show statistically.
- ▌ Electrophoretic System Parameter Specification · holobiomicslabUse when you are preparing to perform effective mobility transformation of CE-MS data and must establish the electrophoretic system's calibration context.
- ▌ Ms2 Spectrum Extraction And Consensus Building · holobiomicslabUse when when you have DDA LC-MS/MS data (mzML format) with identified chromatographic peaks at a specific m/z (e.g., 304.1131) and multiple MS2 spectra fragmented from that precursor, and you need to produce a single high-confidence MS2 spectrum for comparison against reference databases (e.
- ▌ Chromatogram Baseline Correction Preprocessing · holobiomicslabUse when you have raw or folded 2D-TIC chromatogram data (typically imported from NetCDF files into RGCxGC chromatogram objects) that exhibits baseline drift, chemical noise, or instrumental artifacts that would obscure true metabolite peaks.
- ▌ Hierarchical Clustering Parameter Optimization · holobiomicslabUse when after peak detection in GC-IMS preprocessing, when you need to group peaks across multiple samples and must decide whether euclidean distance is appropriate for your drift time and retention time coordinate space, and when you need to validate that your chosen dt_cluster_spread_ms and.
- ▌ Mass Spectrometry Matrix Background Simulation · holobiomicslabUse when when you need to create negative control or background-only reference datasets for LC/GC-MS analysis pipelines—specifically to validate peak-picking algorithms, assess false-positive rates, or simulate instrument background and matrix effects (e.
- ▌ Mass Spectrometry Tolerance Window Calibration · holobiomicslabUse when after feature extraction from raw LC-MS or GC-MS data (using XCMS, MS-Dial, or similar), when you have a feature intensity table with m/z and RT metadata and a reference compound database (known molecules list with m/z, RT, and annotation metadata), and you need to assign confidence-ranked.
- ▌ Molecular Identifier Completeness Verification · holobiomicslabUse when during MSP, MGF, JSON, or CSV file parsing when standardizing mass spectra from heterogeneous open mass spectral libraries (OMSLs).
- ▌ Spectral Batch Submission To Networking Server · holobiomicslabUse when you have deconvolved GC-MS spectra in GNPS_GC input-compatible format and want to construct a molecular network to identify relationships between unknown compounds and perform structured chemical similarity analysis.
- ▌ Spectral Library Matching And M Z Peak Ranking · holobiomicslabUse when you have raw GC-MS output in CSV format (with Component.RT, Base.Peak.MZ, Component.Area, Compound.Name, Match.Factor, and File.Name columns) and need to systematically rank putative identifications by match quality and exact mass agreement.
- ▌ Word2vec Model Inference Unknown Word Handling · holobiomicslabUse when when applying a pre-trained Word2Vec model to mass spectra at inference time (e.g., library matching or molecular networking), especially when the query spectra may contain fragment peaks or neutral losses not represented in the model's training vocabulary.
- ▌ Chimeric Spectra Classification Model Training · holobiomicslabUse when when your DDA-mode LC-MS/MS data exhibits chimeric spectra patterns that differ systematically from the reference training set used in DNMS2Purifier, or when you wish to optimize purification sensitivity/specificity for your particular instrument, ionization method, or sample matrix.
- ▌ Chromatogram And Ionization Intensity Modeling · holobiomicslabUse when when you need to simulate LC-MS/MS data for fragmentation strategy development and do not have (or wish to augment) real experimental chromatograms. Specifically: (1) you have a list of known or sampled chemical compounds with molecular formulae;