Storage & Shipping - BioReagent Hub

4ans

194views

Stain PBMCs with trypan blue; there are many blue dots in the background—are they debris or dye precipitate?

Storage & Shipping WWendyExtract4190 2026-04-30 #Trypan blue #PBMC #Cell counting

4ans

176views

After paraformaldehyde fixation, the cell nuclei appear blurred—is this a reagent batch issue?

Storage & Shipping DDavid 2026-07-22 #Paraformaldehyde #Immunohistochemistry #Rat liver

4ans

207views

Can self-prepared PBS, aliquoted and sterilized, be used for rabbit perfusion fixation?

Storage & Shipping TTubeZone3890 2026-08-08 #Phosphate buffer solution #Animal perfusion #High-pressure steam sterilization

0ans

250views

How should residual detection be performed for GMP-grade universal nuclease-treated lysate?

Storage & Shipping EExtract 2026-09-19 #GMP-grade reagent #Versatile Nuclease #Viral vector

Plant PDH E1αElisa K...

HMG-COA Elisa Kit

5ans

245views

Can glucose and lactate in cell culture supernatants be measured directly on a microplate reader using a biochemical kit microplate method?

Storage & Shipping RReagentHub 2026-09-03 #Biochemical reagent kit #Cell supernatant #Glucose

5ans

232views

Looking for recommendations for primary neuron transfection reagents; the cells are quite sensitive and I'm concerned about toxicity.

Storage & Shipping CCeller 2026-09-14 #Primary neurons #Transfection reagent #Low toxicity

5ans

343views

After the recombinant cytokine lyophilized powder is dissolved, repeated freeze-thaw cycles cause a severe drop in activity. What should be done?

Storage & Shipping 林林小小 2026-08-28 #Recombinant cytokines #Lyophilized powder #Activity

5ans

228views

Which company's serum-free mesenchymal stem cell medium has small batch-to-batch variation and a reasonable price?

Storage & Shipping 周周燕燕 2026-09-09 #Serum-free medium #Mesenchymal stem cells #Batch-to-batch variation

5ans

267views

Will the antibody expression level of 293 cells drop after replacing serum with serum-free medium?

Storage & Shipping BBuffer9515 2026-09-11 #Serum-free medium #HEK293 #Antibody expression

5ans

213views

Our lab would like to purchase BCA kits in bulk. What is the availability and pricing for the 500-assay pack?

Storage & Shipping 张张佳倩 2026-09-04 #BCA Assay Kit #Bulk purchase #Price

5ans

212views

For batch testing of rat TNF-α, how do the lead time and price of a 96T ELISA kit compare?

Storage & Shipping 杨杨娜2860 2026-09-12 #ELISA kit #TNF-α #Rat

ELISA试剂盒

Plant PDH E1αElisa K...

5ans

226views

Will adding too much reverse transcriptase inhibit downstream qPCR? How many units are generally appropriate to add to a 20 µL system?

Storage & Shipping NNinaAssay36 2026-09-13 #Reverse transcriptase #RT-qPCR #System optimization

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