<p>1. Phase-separated condensates of metabolic complexes in living cells: Purinosome and glucosome<br>Songon An, Miji Jeon, Erin L. Kennedy and Minjoung Kyoung<br>2. Synthetic probe development for measuring single or few-cell activity and efflux<br>Alison Lui, Jeffrey Wang, Linda Chio and Markita P. Landry<br>3. Enzymatic activity in single cells<br>Josephine Geertsen Keller, Magnus Stougaard and Birgitta R. Knudsen<br>4. Single-cell assays using integrated continuous-flow microfluidics<br>Ee Xien Ng, Myat Noe Hsu, Guoyun Sun and Chia-Hung Chen<br>5. Single-cell activity screening in microfluidic droplets<br>Stefanie Neun, Tomasz S. Kaminski and Florian Hollfelder<br>6. The microfluidic capture of single breast cancer cells for multi-drug resistance assays<br>Karan Parekh, Hamide Sharifi, Avid Khamenehfar, Timothy V. Beischlag, Robert T.M. Payer and Paul C.H. Li<br>7. Single-cell proteolytic activity measurement using microfluidics for rare cell populations<br>Yu-Chih Chen and Euisik Yoon<br>8. Microfluidic technology for investigation of protein function in single adherent cells<br>Aldo Jesorka, Inga Põldsalu and Irep Gözen<br>9. Nanokits for the electrochemical quantification of enzyme activity in single living cells<br>Rongrong Pan and Dechen Jiang<br>10. Design of an automated capillary electrophoresis platform for single-cell analysis<br>David H. Abraham, Matthew M. Anttila, Luke A. Gallion, Brae V. Petersen, Angela Proctor and <br>Nancy L. Allbritton<br>11. Microelectrophoretic single-cell measurements with microfluidic devices<br>Jay Sibbitts, Jalal Sadeghi and Christopher T. Culbertson<br>12. Chemical probes for spatially resolved measurement of active enzymes in single cells<br>Gang Li and Raymond E. Moellering<br>13. Single-cell proteomics in complex tissues using microprobe capillary electrophoresis mass spectrometry<br>Camille Lombard-Banek, Sam B. Choi and Peter Nemes<br>14. Electroosmotic extraction coupled to mass spectrometry analysis of metabolites in live cells<br>Ruichuan Yin, Venkateshkumar Prabhakaran and Julia Laskin</p>