Reference Guides

Bench guides that explain the numbers behind each experiment

These pages add context that a calculator alone cannot provide: when to use a method, common interpretation mistakes, practical caveats, and what to check before you trust the output.

The guide library currently includes 26 original reference pages focused on assay planning, interpretation, troubleshooting, and pre-bench checks.

Primer Tm Curation

How to evaluate and compare Tm estimates

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Statistical Test Chooser

Simple decision tree and links

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Buffer pH / pKa

Why buffer compatibility matters

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Osmolarity Curation

Practical checklist for media prep

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

A260 Purity Ratios in Practice

How to read A260/280 and A260/230 before using a sample

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Ligation Molar Ratio Planning

Choose insert and vector amounts without falling back to mass ratio shortcuts

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

qPCR ddCt Interpretation

Know when fold change is meaningful and when the upstream data are too weak

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Cell Seeding Density Planning

Translate target confluence and assay timing into a practical seeding plan

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Hemocytometer Counting Quality Checks

Reduce counting noise, clump bias, and dilution mistakes in manual counts

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

RCF vs RPM for Centrifuge Protocols

Match published spin conditions to your own rotor instead of copying RPM blindly

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

PCR Contamination Control

How to separate setup, template, controls, and interpretation when contamination is suspected

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

qPCR Control Design

NTC, no-RT, reference genes, and replicate design before interpreting Ct values

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Primer Design Checklist

A practical review list for specificity, length, GC balance, dimers, and amplicon context

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

DNA Sample Storage and Handling

Storage, freeze-thaw, labeling, and documentation practices for nucleic acid samples

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

RNA Handling Quality Guide

RNase control, degradation signs, storage choices, and downstream interpretation

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Gel Electrophoresis Troubleshooting

Band shape, smearing, ladder choice, loading mass, and voltage decisions

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Reducing Pipetting Error

Small-volume planning, dead volume, pre-wetting, and repeatability habits

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Serial Dilution Error Propagation

Why small transfer mistakes compound across a dilution series

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Cell Viability Interpretation

How to interpret viability with counting quality, treatment context, and assay timing

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Aseptic Technique Basics

Practical contamination prevention habits for cell culture and routine bench work

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Media and Buffer Preparation Records

What to record when preparing media, buffers, supplements, and working stocks

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Experiment Notebook Standards

How to record assumptions, calculations, deviations, and interpretation in a reusable way

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Replicate Planning for Bench Experiments

Technical replicates, biological replicates, controls, and volume planning in one place

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Plate Layout Planning

Reduce edge effects, labeling mistakes, and control confusion before plating

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Troubleshooting Mindset for Lab Work

A structured way to separate sample, reagent, instrument, and operator causes

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.

Documenting Lab Calculations

How to make calculation outputs reviewable, repeatable, and useful after the experiment

Each guide is written to reduce setup mistakes, highlight edge cases, and make the linked tools easier to use in a real lab workflow.