1. Advances in electrochemical immunosensors / Elif Burcu Aydin, Muhammet Aydin and Mustafa Kemal Sezgintürk -- 2. Amino and organic acid analysis -- essential tools in the diagnosis of inborn errors of metabolism / William Phipps, Patti Jones and Khushbu Patel -- 3. Lipid trafficking in cardiovascular disease / Andrei C. Sposito, Francesca Zimetti, Joaquim Barreto and Ilaria Zanotti -- 4. Advances in biomarker detection: Alternative approaches for blood-based biomarker detection / Miguel Rosado, Rafael Silva, Mariana G. Bexiga, John G. Jones, Bruno Manadas and Sandra I. Anjo -- 5. Towards a holistic approach for diagnosing sepsis in the emergency department / Gianfranco Cervellin, Philipp Schuetz and Giuseppe Lippi -- 6. Proteomics of reproduction: Prospects and perspectives / Manesh Kumar Panner Selvam, Saradha Baskaran and Ashok Agarwal.