PoCaE_DMP files

1. Data collection and documentation (Please refer also to the other documents of the Data Management Plan: DMP_i Assembling; DMP_iii Assessment of performances; DMP_iv Quantitative results) ii. Equipment setting SAMPLE INJECTOR Figure 1.ii.1. Diagram of the electropneumatic part. C4D: capacitively coupled contactless conductivity detector. From Musile et al. Analytica Chimica Acta 1350 (2025), 343835. Figure 1.ii.2. Electronic circuitry. Scheme of the device components managed with the MSP430FR2433 Launchpad. I2C: inter-integrated circuit, a serial communication bus; DAC: digital-to-analog convertor; TTL: transistor-transistor logic, on/off-control signals. From Musile et al. Analytica Chimica Acta 1350 (2025), 343835. Portable device: DESIGN List of components to be housed in the portable case: - High voltage power supply (HVPS). Two HVPS for applying a high voltage within ±30kV - Pneumatic section. It includes pressure regulators, an air compressed cylinder, latching valves, and an air valve. - Hydraulic section. It includes reservoirs, tubes, injection system - Detector. It consists of a contactless conductivity detector (C4D) - Safety cage. It consists of a polycarbonate box and a safety microswitch - Microcontroller board. It includes the electronic board for controlling the entire device - Battery Portable device: SELECTION OF THE INJECTION SYSTEM Figure 1.ii.3. Schematic representation of the microfluidic part integrating the six-port valve. The green numbers represent the length of the used tubes expressed in millimetres, while the red numbers the internal diameter (micrometres). Equipment setting -Feasibility study: selection of the injection systemSample Cations solution (ammonium, potassium, calcium, sodium magnesium, lithium, barium) Effective capillary length 26 cm Total capillary length 40 cm ID capillary 25 µm Injection time 2600 ms 0.4 bar Voltage 20 kV Buffer Histidine 15 mM, Acetic acid 50 mM, 18-crown-6 4 mM -Feasibility study: selection of the injection system - Sample Anions solution (gamma-hydroxybutyric acid, alfa-hydroxybutyric acid, and beta-hydroxybutyric acid added to a sample of urine Effective capillary length 70 cm Total capillary length 85 cm ID capillary 25 µm Injection time 15200 ms 0.4 bar Voltage -20 kV Buffer Arginine 20 mM, Maleic Acid 10 mM, CTAB 30 µM, vancomycin 5 mM (pH 7.35)