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Blog
Protein NMR and its Role in Drug Discovery
We are fortunate at Sygnature Discovery to be one of the few CROs that…
Blog
Alpha Synuclein : An Intriguing Little Protein (Mini Review)
In this mini review we discuss Alpha Synuclein (αSyn), a small, yet curious 140 amino…
Case Studies
Separating Phosphorylation States of a Kinase Using Ion Exchange Chromatography
In this case study we present our ability to express, phosphorylate and separate the native…
Technical Notes
LogD7.4
Sygnature Discovery’s LogD7.4 validation confirms the assay’s accuracy and reproducibility across a wide range of compound lipophilicities. Using a classical shake‑flask approach with LC–MS/MS quantification, the method shows strong alignment with literature values and low variability across repeat assays, providing high‑quality lipophilicity data to support confident early‑stage ADME decision‑making.
Technical Notes
ChromLogD
Sygnature Discovery’s ChromLogD validation demonstrates a fast and reliable chromatographic approach for determining lipophilicity, with excellent reproducibility across inter‑ and intra‑assay experiments. The method offers a practical, high‑throughput alternative to shake‑flask assays, supporting confident ADME decision‑making in early drug discovery.
Technical Notes
EPSA
Sygnature Discovery’s EPSA validation demonstrates a fast and reliable SFC‑MS method for estimating exposed polar surface area and understanding how effectively compounds can shield polarity. With optimised chromatography, consistent retention times and strong reproducibility, the assay supports rapid permeability assessment—especially valuable for bRo5 molecules and bifunctional degraders.
Technical Notes
Turbidimetric Kinetic Solubility
Sygnature Discovery’s Turbidimetric Kinetic Solubility validation demonstrates a fast, high‑throughput method for determining aqueous solubility through turbidity measurements in physiological buffer. With consistent performance across controls and a broad set of test compounds, the assay reliably distinguishes high, moderate and low solubility ranges, supporting early decision‑making in in vitro discovery workflows.
Technical Notes
Thermodynamic Solubility
Sygnature Discovery’s thermodynamic solubility validation confirms a robust, equilibrium‑based method for generating high‑confidence solubility data across pH 7.4 buffer and biorelevant media including FaSSIF, FeSSIF and FaSSGF. The assay demonstrates strong reproducibility, good agreement with literature values and clear compound‑dependent solubility shifts, supporting absorption prediction, medicinal chemistry optimisation and formulation strategy development.
Case Studies
Fragment Screening by Crystallography: An Alternative to High Throughput Screening
In this Case Study Helen Gingell and Thirumalai Ulaganathan give an introduction to Fragment based drug discovery (FBDD) with…
Case Studies
Sitryx: Empowering New Ideas
Many intriguing drug discovery programmes begin life at start-up biotech companies. Yet at the outset, these new organisations rarely have the resources or laboratory set-up immediately available to turn their ground-breaking ideas into a new medicine. This is where collaborations with expert CROs like Sygnature Discovery can accelerate a drug discovery project towards the clinic.
Case Studies
Corcept Therapeutics: Integrated Drug Discovery Collaboration
Corcept Therapeutics, Menlo Park, CA: Leading cortisol regulation research, targeting Cushing's syndrome & cancers.
Case Studies
CellCentric Lead Optimisation Campaign – CCS1477
Inobrodib, an exciting, first-in-class oral anti-cancer drug in clinical development by CellCentric, was collaboratively designed, synthesised and supported on its pre-clinical journey by an integrated project team at Sygnature Discovery. Inobrodib is now showing promising results in Phase I and II trials for multiple myeloma and other cancer types.
Technical Notes
Chemical Stability
About the Assay Sygnature Discovery’s Chemical Stability assay provides a comprehensive in vitro evaluation of…
Technical Notes
Plasma Stability
About the Assay Sygnature Discovery’s plasma stability assay provides a reliable in‑vitro method for assessing…
Technical Notes
Microsomal Stability
About the Assay Sygnature Discovery’s microsomal metabolic stability assay provides a robust in vitro system…
Technical Notes
Hepatocyte Stability
About the Assay Sygnature Discovery’s hepatocyte metabolic stability assay provides a comprehensive in vitro system…
Technical Notes
Caco-2 Permeability
About the Assay The Caco-2 cell line is derived from human colorectal adenocarcinoma. During extended…
Technical Notes
MDCKII-MDR1
About the Assay The MDCKII–MDR1 (Madin–Darby canine kidney II) is a canine epithelial cell line…
Technical Notes
MDCKII-BCRP
About the Assay The MDCKII–BCRP (Madin–Darby canine kidney II) is a canine epithelial cell line…
Technical Notes
PAMPA Permeability
About the Assay Parallel artificial membrane permeability assay (PAMPA) is an in vitro method to…
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