Blog

Research tips, protocol guides, and product updates.

Cell Lysis Protocol for Protein Extraction

Comprehensive cell lysis protocol for protein extraction covering RIPA, NP-40, and native lysis buffers with optimization tips for Western blot and IP applications.

2026-03-23·9 min read
cell lysisprotein extractionWestern blotRIPA buffersample preparation

Colony PCR Protocol: Fast Screening of Bacterial Clones Without Miniprep

Optimized colony PCR protocol for screening bacterial transformants. Covers primer design, lysis methods, cycling conditions, and troubleshooting.

2026-03-23·10 min read
colony PCRcloning screeningbacterial transformationPCRmolecular biology

Confocal Microscopy Sample Preparation Protocol: From Fixation to Z-Stack Imaging

Detailed confocal microscopy sample preparation protocol for fluorescence imaging. Covers fixation, permeabilization, staining, and mounting.

2026-03-23·11 min read
confocal microscopyimmunofluorescencesample preparationfluorescence imagingcell biology

DNA Extraction Protocol from Cells: Complete Guide

Step-by-step DNA extraction protocol from cultured cells and tissue. Covers spin column, phenol-chloroform, and salting-out methods with troubleshooting.

2026-03-23·8 min read
DNA extractiongenomic DNAmolecular biologycell culture

Agarose Gel Electrophoresis Protocol: Setup to Analysis

Complete agarose gel electrophoresis protocol with gel preparation, running conditions, staining options, and troubleshooting for DNA and RNA analysis.

2026-03-23·9 min read
gel electrophoresisagarose gelDNA analysismolecular biology

Immunofluorescence Staining Protocol: Cells and Tissue

Complete immunofluorescence staining protocol for cultured cells and tissue sections. Covers fixation, permeabilization, antibody selection, and imaging tips.

2026-03-23·8 min read
immunofluorescenceIF stainingfluorescence microscopyantibodycell biology

Immunohistochemistry Protocol: Complete IHC Guide

Detailed IHC protocol for FFPE and frozen tissue sections. Covers antigen retrieval, blocking, antibody incubation, and chromogenic detection methods.

2026-03-23·9 min read
immunohistochemistryIHCantibody staininghistologypathology

Northern Blot Protocol: RNA Detection and Analysis

Complete Northern blot protocol for detecting specific RNA transcripts. Covers denaturing gel preparation, membrane transfer, hybridization, and signal detection.

2026-03-23·9 min read
Northern blotRNA analysishybridizationgene expression

Plasmid Cloning Protocol: A Complete Guide to Restriction Enzyme-Based Molecular Cloning

Step-by-step plasmid cloning protocol covering restriction digestion, ligation, transformation, and screening. Optimized for researchers.

2026-03-23·9 min read
molecular cloningplasmid cloningrestriction enzymesligationtransformation

Protein Purification Protocol: From Lysate to Pure Protein

Complete protein purification protocol covering affinity, ion exchange, and size exclusion chromatography with practical tips for recombinant protein workflows.

2026-03-23·9 min read
protein purificationchromatographyHis-tagrecombinant protein

qPCR Protocol Guide: Real-Time PCR From Setup to Analysis

Comprehensive qPCR protocol covering SYBR Green and TaqMan assays, primer validation, standard curves, and data analysis for reliable gene expression results.

2026-03-23·8 min read
qPCRreal-time PCRgene expressionSYBR GreenTaqMan

RNA Extraction Protocol: A Complete Step-by-Step Guide

Master RNA extraction with this detailed protocol covering TRIzol, column-based, and magnetic bead methods. Includes troubleshooting tips for high-quality RNA.

2026-03-23·9 min read
RNA extractionmolecular biologyTRIzolgene expression

RT-PCR Protocol: Reverse Transcription PCR Guide

Detailed RT-PCR protocol covering one-step and two-step reverse transcription PCR, primer design, enzyme selection, and troubleshooting common issues.

2026-03-23·8 min read
RT-PCRreverse transcriptioncDNA synthesisgene expression

Site-Directed Mutagenesis Protocol: PCR-Based Methods for Precise Point Mutations

Complete site-directed mutagenesis protocol using inverse PCR and overlap extension methods. Primer design, DpnI selection, and troubleshooting.

2026-03-23·9 min read
site-directed mutagenesisSDMprimer designDpnIprotein engineering

Southern Blot Protocol: Complete DNA Detection Guide

Step-by-step Southern blot protocol for genomic DNA analysis. Covers restriction digestion, gel electrophoresis, transfer, hybridization, and detection methods.

2026-03-23·9 min read
Southern blotDNA analysishybridizationgenomic DNA

Bacterial Transformation Protocol with Competent Cells

Step-by-step bacterial transformation protocol for chemically competent and electrocompetent E. coli cells, including heat shock, electroporation, and troubleshooting tips.

2026-03-22·8 min read
bacterial-transformationcompetent-cellscloningprotocolsE-coli

Cell Culture Protocol for Mammalian Cells: Complete Guide

Comprehensive mammalian cell culture protocol covering aseptic technique, passaging, cryopreservation, thawing, and contamination prevention for adherent and suspension cells.

2026-03-22·7 min read
cell-culturemammalian-cellsprotocolstissue-culture

ChIP-seq Protocol Step by Step: Chromatin Immunoprecipitation Sequencing

Comprehensive ChIP-seq protocol covering crosslinking, chromatin shearing, immunoprecipitation, library preparation, and sequencing for histone modifications and transcription factor binding.

2026-03-22·8 min read
ChIP-seqepigeneticschromatinprotocolsnext-gen-sequencing

CRISPR Knockout Protocol: A Complete Guide to Gene Editing

Step-by-step CRISPR knockout protocol covering sgRNA design, Cas9 delivery, transfection, screening, and validation for mammalian cell gene knockout experiments.

2026-03-22·7 min read
CRISPRgene-editingknockoutprotocolsCas9

ELISA Protocol: Sandwich Method Step by Step

Complete sandwich ELISA protocol with detailed steps for coating, blocking, sample incubation, detection, and quantification. Includes troubleshooting and optimization tips.

2026-03-22·7 min read
ELISAimmunoassayprotocolssandwich-ELISA

Flow Cytometry Staining Protocol: Surface and Intracellular Markers

Complete flow cytometry staining protocol for surface and intracellular markers, including panel design, compensation, gating strategy, and troubleshooting tips.

2026-03-22·7 min read
flow-cytometryFACSstainingprotocolsimmunophenotyping

Co-Immunoprecipitation Protocol: Detecting Protein-Protein Interactions

Detailed co-immunoprecipitation (Co-IP) protocol for identifying protein-protein interactions, including lysis, antibody binding, bead capture, washing, and western blot analysis.

2026-03-22·8 min read
co-IPimmunoprecipitationprotein-interactionsprotocols

PCR Protocol for Beginners: A Complete Step-by-Step Guide

Learn the PCR protocol from scratch with this beginner-friendly guide covering reaction setup, thermocycler programming, gel analysis, and troubleshooting common PCR problems.

2026-03-22·8 min read
PCRmolecular-biologyprotocolsbeginners

Transfection Protocol with Lipofectamine: Complete Guide

Detailed Lipofectamine transfection protocol for mammalian cells covering Lipofectamine 2000, 3000, and RNAiMAX with optimization tips, DNA/RNA ratios, and troubleshooting.

2026-03-22·7 min read
transfectionlipofectamineprotocolsgene-expressionmammalian-cells

Western Blot Protocol Step by Step: A Complete Guide

Master the western blot protocol with this detailed step-by-step guide covering sample preparation, gel electrophoresis, transfer, antibody incubation, and detection.

2026-03-22·8 min read
western-blotprotein-analysisprotocolsimmunodetection

Getting Started with AI-Generated Lab Protocols

Learn how LabProtocol.co uses GPT-4o to generate detailed, reproducible laboratory protocols in seconds.

2026-03-15·2 min read
getting-startedAIprotocols

10 Western Blot Optimization Tips from AI Analysis

Common Western blot problems and evidence-based solutions, compiled from analysis of thousands of published protocols.

2026-03-10·2 min read
western-blotoptimizationtips

How AI Can Help Solve the Reproducibility Crisis

The reproducibility crisis costs $28 billion annually. AI-generated protocols could be part of the solution.

2026-03-05·2 min read
reproducibilityresearchAI