Pillar · cytometry and microscopy
How a flow cytometer reads a cell
How a cytometer focuses cells into a laser, turns scatter and fluorescence into pulses, and why a gate is an argument rather than a fact.
8 October 2026 · 8 min read
Knowledge centre
Methods a laboratory can check.
Guides, method explainers and sourcing notes for research laboratories. Written by the EVRINTH Editorial Team from published methods, with catalogue links for enquiry rather than stock claims.
All topicsBuffers and laboratory water26Cell culture26Chromatography26Cold chain and sample storage26Cytometry and microscopy26DNA sequencing26Gels and blotting26Gene expression26Genome editing26Immunoassays26Laboratory labware26Laboratory safety26Liquid handling26Microbiology26Molecular cloning26Nucleic acid purification26PCR and amplification26Protein biochemistry26Proteomics26Research sourcing and study design26
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520 articles
Pillar · genome editing
How CRISPR-Cas9 editing works in research
How a guide RNA directs Cas9 to a research target, how cells repair the cut, and why an off-target risk is part of the experimental design.
8 October 2026 · 8 min read
Pillar · nucleic acid purification
How DNA extraction methods differ
How silica columns, beads, precipitation and organic extraction change DNA yield, length and inhibitors, and which class fits the assay you actually plan to
8 October 2026 · 8 min read
research sourcing
How EVRINTH can receive an enquiry
See how a specification reaches EVRINTH through the contact form, the quotation page, and the laboratory procurement page.
8 October 2026 · 9 min read
protein biochemistry
How laboratories estimate protein concentration
How laboratories estimate protein concentration with absorbance, dye-binding and copper assays, and why the number depends on the standard.
8 October 2026 · 7 min read
gene expression
How many replicates a simple design needs to discuss
What to write when a simple expression design asks for replicates: the biological unit, why one sample cannot carry a treatment claim, and why pilots exist.
8 October 2026 · 9 min read
gels and blotting
How much sample to load
Separate an invisible lane from an overloaded one with a dilution series, and tell a blown blot from a degraded sample.
8 October 2026 · 7 min read
Pillar · pcr amplification
How polymerase chain reaction works
How PCR copies a chosen DNA segment: the temperature cycle, reagents, controls and what a band on a gel does and does not prove.
8 October 2026 · 8 min read
dna sequencing
How short reads and long reads differ
Choose short paired reads or long reads by the repeat, structural variant or homopolymer the experiment actually has to resolve.
8 October 2026 · 9 min read
molecular cloning
How to read a plasmid map
A decision procedure for reading origin class, resistance marker, promoter arrow, MCS, tags and cutters on a plasmid map before you order an enzyme.
8 October 2026 · 11 min read
pcr amplification
How to read a published PCR protocol
Pull enzyme class, buffer, Tm method, cycles and template mass from a published PCR protocol, then mark what you must re-validate.
8 October 2026 · 7 min read
Pillar · research sourcing
How to write a laboratory sourcing enquiry
Write a laboratory enquiry as measurable performance, documents and an acceptance check, so a quotation can be compared with the scientific need.
8 October 2026 · 8 min read