Straight answers on how core biotech techniques actually work, written by the scientists who run them every day — plus honest, first-hand notes on what our training programs and hands-on workshops really cover, so you know what you're signing up for.
FPLC (Fast Protein Liquid Chromatography) is the workhorse behind most protein purification pipelines. Here's how labs actually use it for quality control and scale-up.
Read the full guidePractical guides to ELISA biomarker analysis, enzyme activity and inhibition assays, oxidative stress assays, flow cytometry gating and Annexin V / PI apoptosis detection.
In-vitro oxidative stress assays explained: DPPH, ABTS, FRAP, DCFH-DA ROS, MDA, SOD, catalase and GSH tests, with tips for reliable antioxidant results.
Enzyme activity and inhibition assays explained: alpha-amylase, alpha-glucosidase, AChE, tyrosinase and ACE tests, IC50 values and enzyme kinetics.
How ELISA and multi-mode plate readers quantify biomarkers: ELISA types, detection modes, 4PL standard curves and assay validation essentials.
Multicolor flow cytometry gating explained: singlet and viability gates, compensation, FMO controls, back-gating and UMAP/tSNE analysis.
A primer on how flow cytometry works — fluidics, optics, and electronics, and the core vocabulary of gating, compensation, and MFI.
From single-cell suspension to gated results — sample prep, panel design, control tubes, and how to report flow cytometry data correctly.
How Annexin V / PI staining detects apoptosis by flow cytometry: principle, protocol, quadrant interpretation, controls and common mistakes.
Flow cytometry can read thousands of individual cells per second, which is exactly why it's become the default method for immunophenotyping, cell cycle studies, and apoptosis detection.
Cell culture, cell viability and cytotoxicity assays (MTT, resazurin, LDH), cell line authentication by STR profiling, and flow cytometry-based cell analysis.
Validate cell line authenticity with STR profiling, species testing and mycoplasma screening, plus database matching and how often to test.
MTT vs resazurin (alamarBlue) vs LDH assay compared: principles, sensitivity, interference and when to use each viability or cytotoxicity assay.
Why volumetric flow cytometry gives more accurate absolute cell counts than a haemocytometer or counting beads.
How forward and side scatter reveal cell size and internal complexity without labeling — and how to read the FSC/SSC plane.
Culture, viability, flow cytometry, functional assays — cell biology studies cover a lot of ground. Here's what's typically included, and why labs choose to outsource this work.
MTT or LDH? Trypan Blue or Annexin V? Here's what each cytotoxicity assay actually measures, and how to pick the right format for your compound or material.
Controlled cell death or damage? Here's how TUNEL, Annexin V, and caspase activity assays tell apoptosis apart from necrosis, and what each stage of the process actually looks like.
Immunophenotyping, cell cycle, apoptosis detection, intracellular staining — flow cytometry does a lot in cultured cell work. Here's how each application actually fits together.
In-vitro cell culture lets researchers study living cell behavior outside the body — which is exactly why it sits at the center of drug discovery, toxicology testing, and biomanufacturing.
Each microscopy technique answers a different question: brightfield for structure, fluorescence for localization, immunofluorescence for pathology. Here's how labs decide which one fits the job.
Real-time PCR (qPCR) primer efficiency and melt curves, multiplex qPCR, RNA isolation, NGS, DNA methylation and mutation analysis.
Calculate qPCR primer efficiency from a standard curve and read melt curves to confirm specific amplification and rule out primer dimers.
Get high-quality RNA from difficult tissues: fibrous, fatty, RNase-rich, plant, bone and FFPE samples. Homogenisation, extraction and RNA QC tips.
Design and optimise multiplex qPCR: primer and probe design, fluorophore choice, primer limiting, master mix and singleplex vs multiplex validation.
A step-by-step walkthrough of next-generation sequencing — library prep, sequencing by synthesis, and the bioinformatics pipeline from FASTQ to VCF.
How to read a qPCR amplification curve, calculate assay efficiency, and choose between absolute and relative (ΔΔCq) quantification.
Amplicon or shotgun? Here's how metagenomic sequencing profiles an entire microbial community's DNA directly, without culturing a single organism first.
DNA methylation controls gene expression without touching the underlying sequence. Here's how bisulfite sequencing and methylation-specific PCR actually detect it.
Somatic or germline — the same variant can mean very different things. Here's how mutation analysis tells the two apart, and when Sanger sequencing beats NGS.
From vector design to CRISPR-Cas9 editing, gene cloning underpins recombinant protein production, transgenic organisms, and therapeutic research. Here's how it actually works.
Real-Time PCR, or qPCR, measures DNA amplification as it happens. That's what makes it so useful for gene expression analysis, pathogen detection, and genetic screening.
Next-generation sequencing and microarray technology both study gene expression and mutations, but they're not interchangeable. Here's when researchers reach for each one.
Protein purification by FPLC and chromatography (affinity, ion exchange, size exclusion), FPLC vs HPLC, western blot, mass spectrometry and enzyme analysis.
FPLC vs HPLC compared: pressure, resins, buffers, resolution and scale. Learn which suits recombinant protein purification and which suits QC.
How affinity chromatography purifies proteins by specific molecular binding — ligand chemistry, capacity limits, and elution strategy.
How ion exchange separates proteins by net surface charge — choosing anion vs. cation exchange, buffer design, and gradient strategy.
An introduction to FPLC — the instrument flow path, key vocabulary like CV and %B, and the four chromatography modes.
How SEC separates molecules by hydrodynamic radius, why it's the standard aggregation check, and how load volume determines resolution.
Protein A, G, or L — which capture method actually fits your antibody? Here's how the standard purification workflow works, and why it removes contaminants that would otherwise show up as assay background.
Total vs. free amino acids sound similar but need completely different sample prep. Here's what a full amino acid profile actually measures, and why the distinction matters.
How peptide mass fingerprinting identifies a protein from nothing more than a gel band, and what in-gel versus in-solution identification actually means for your sample.
Activity, kinetics, purity, concentration — enzyme analysis covers a lot of ground. Here's what gets tested, which techniques are used, and why it matters across six different industries.
Western blot (immunoblotting) detects and quantifies specific proteins with a level of specificity that's hard to match — which is why, decades on, it's still a default method in research and diagnostic labs.
HPLC and gas chromatography for pharmaceutical and food quality control.
HPLC separates compounds with a precision few other techniques match, which is exactly why pharma QC labs rely on it for assay purity, impurity profiling, and content uniformity testing.
Gas chromatography separates and quantifies volatile compounds fast and accurately, which is why it's a QC staple for residual solvent testing and product purity checks.
Phytochemical profiling and HPTLC fingerprinting, total antioxidant capacity (DPPH, ABTS, FRAP, ORAC) and phytosterol and organosulfur bioavailability.
How to measure total antioxidant capacity: DPPH, ABTS/TEAC, FRAP, CUPRAC, ORAC and phosphomolybdenum assays, units and best practices.
Phytochemical profiling and fingerprinting explained: screening tests, HPTLC, HPLC, GC-MS and LC-MS, marker compounds and chemometrics.
How to evaluate phytosterol and organosulfur bioavailability: INFOGEST digestion, Caco-2 models, GC-MS and LC-MS analysis, and formulation tips.
Analytical method validation under ICH Q2(R2), equipment qualification (DQ, IQ, OQ, PQ) and data integrity with audit trails in GLP and GMP labs.
ICH Q2(R2) method validation explained: specificity, accuracy, precision, reportable range, LOD/LOQ, changes from Q2(R1) and the link to ICH Q14.
Equipment qualification in contract research: DQ, IQ, OQ and PQ, USP <1058> instrument groups, calibration, GLP/GMP compliance and requalification.
Data integrity in bioanalytical labs: ALCOA+, audit trail requirements and review, 21 CFR Part 11 and Annex 11, red flags and best practices.
Bioanalytical skills employers look for, and what our industry-ready and summer training programs cover.
The bioanalytical techniques biotech, pharma and CRO employers want in 2026: LC-MS/MS, HPLC, ELISA, qPCR, flow cytometry, validation and more.
300 hours, five modules, one goal: walking into a biopharma or diagnostics lab already knowing how to run the instruments. Here's what each module actually covers.
Not every student has 300 hours to spare. Here's how our short-term summer courses let you pick one lab discipline and build genuine hands-on skill in it over a single break.
Inside our hands-on workshops: HPLC, gas chromatography, flow cytometry, cell culture, protein purification and western blot.
Multi-color panels are where flow cytometry gets genuinely tricky. This workshop is built to get you comfortable with gating strategy design and real-world data analysis.
Instrument setup, sample prep, full analysis — this hands-on GC workshop covers the entire workflow, not just the theory behind it.
This one's intensive by design: instrument fundamentals, method development, and result interpretation, all covered in a single HPLC training workshop.
Good aseptic technique isn't something you read about — it's something you build at the bench. That's the entire premise of this in-vitro cell culture workshop.
You start with a crude lysate and end with a purified protein. This workshop walks through every chromatography-based purification step in between, hands-on.
Protein isolation, SDS-PAGE, antibody-based detection — this western blot workshop covers the complete technique end to end, not just the theory slides.
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Short-term training gets you certified on specific lab techniques in a matter of weeks. An internship spans months and gives you broader, deeper hands-on exposure to real project work. Which one fits depends on your current career stage and how much time you have.
Most short-term biotechnology training programs at Allele Life Sciences run a few weeks and focus on a specific set of instruments and techniques, so you leave able to actually run them rather than just knowing the theory.
Our hands-on workshops cover the full technique end to end — instrument setup, sample preparation, running the actual protocol, and interpreting the results — rather than lecture-only theory.
Our training and workshops are built for students, researchers, and working professionals who want practical, bench-level competency in biotechnology, molecular biology, and pharmaceutical QC techniques.
Get in touch with our team — we're always happy to write about the techniques our readers care about.
