cold chain
Data loggers and what a temperature trace shows
A data logger draws a trace, not a verdict. Probe placement changes the meaning. Judge time out of range, not one pretty number.
8 October 2026 · 9 min read
Tag
shipping
Articles tagged shipping. Tags group methods across clusters so a technique can be found from more than one route.
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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8 articles
cold chain
Dry ice is cold carbon dioxide not a magic gel
Dry ice is solid carbon dioxide that sublimes near minus 78.5 °C. It is not a gel pack, and it does not cool by melting into a liquid.
8 October 2026 · 9 min read
cold chain
Dry ice packing for sample shipments
Dry ice keeps non-infectious research samples cold and can burn skin or displace air. Carrier rules and infectious-substance law still govern shipping.
8 October 2026 · 11 min read
cold chain
Enzymes shipped on ice and what to do on arrival
On arrival, name the coolant and move the enzyme to the temperature on its document. A foam shipper is not a place to wait out a meeting.
8 October 2026 · 9 min read
cold chain
Gel packs versus dry ice for a short trip
A short trip still needs the coolant the label names. Gel packs hold the setpoint they were conditioned to. Dry ice is a much colder window.
8 October 2026 · 9 min read
cold chain
Hot climates and the last mile of a reagent shipment
The last mile is the handoff from depot to bench: a hot vehicle and a delayed receiver. Name the shipper, the coolant, and who reads the logger.
8 October 2026 · 9 min read
cold chain
Receiving a warm parcel
A warm parcel stays out of inventory until you have named the shipper, the coolant, any excursion, and the chain of custody.
8 October 2026 · 10 min read
cold chain
Shipping documentation is a carrier and legal question
A courier slip is not a dangerous-goods declaration. Dry-ice paperwork is a carrier and institutional question, not a brochure approval.
8 October 2026 · 8 min read