Miniaturized thermal shift assay of β-lactoglobulin using PULSEspencer R and qTOWER iris 384

15 May 2026

This application note demonstrates a miniaturized thermal shift assay (TSA) workflow for assessing protein stability using β‑lactoglobulin as a model system. By combining the PULSEspencer R for precise low‑volume dispensing with the qTOWER iris 384 for UV fluorescence detection, the study shows that reliable and reproducible TSAs can be performed at reduced reaction volumes.

Discover how this approach enables high‑throughput screening while minimizing sample and reagent consumption, without compromising data quality. The results confirm consistent melting temperature measurements across conditions, and highlight the suitability of this workflow for protein analytics and pharmaceutical development applications.

qTOWER iris: The Real-Time PCR-Thermocycler

Analytik Jena GmbH+Co. KG

No matter where your journey takes you in the world of qPCR, this real-time PCR thermal cycler is ready for anything, giving you full control and freedom of choice - from consumables to assays to colour modules. The instrument is operating quietly, smoothly and delivers reliable results on six channels. The temperature and readout accuracy are unsurpassed. With this open system you are well equipped for all your projects.

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High-Throughput ScreeningHigh-throughput screening (HTS) is an automated drug discovery technique for identification of active compounds against a compound library. Use HTS readers and integrated assay preparation / analysis workstations to screen your compounds. Identify active compounds against various HTS libraries, including membranes, proteins and peptides and HTS cell lines. Find the best high-throughput screening products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Assay DevelopmentThe process of proving an assay to be sensitive with respect to the target is known as assay development. The assay should be able to characterize novel compounds and measure the potency of these compounds against a validated biological target.
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