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Usb 6259

Manufactured by National Instruments
Sourced in United States

The USB-6259 is a high-performance multifunction data acquisition (DAQ) device from National Instruments. It features 16-bit analog-to-digital converters, 32 analog input channels, and 4 analog output channels. The device supports a sampling rate of up to 1.25 MS/s and provides connectivity through a USB interface.

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13 protocols using usb 6259

1

Electrochemical Performance Evaluation of RuO2 Electrodes

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All the measurements
were performed in an electrochemical cell, as presented in Figure 6c,d. One of the fabricated
electrodes (RuO2, RuO2–CuO, RuO2–Nf, or RuO2–CuO–Nf) and a standard
glass ion-selective Ag|AgCl (RL-100, HYDROMET, Poland) reference electrode
were connected to the measuring device (Data Acquisition (DAQ) device,
USB-6259, National Instruments, USA) through a circuit board via galvanic
connections. The measuring device was powered by a high-performance
digital power supply (E3631A, Agilent, USA) with an input voltage
of 12 V. The potential difference between a fabricated and the reference
electrode was monitored and registered with the use of the LabVIEW
program (National Instruments, USA).
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2

Wireless Telemetric ECG Monitoring in Mice

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After recovery, mice were slightly sedated with isoflurane before connection to the ECG set-up. The connector strip on the rigid platform of the harness was connected to a 4-channel unity gain preamplifier (based on a TL074 SMT Opamp, Texas Instruments, Dallas, TX, USA) by means of Winslow connector pins (267-7400, RS components, Corby, UK). The preamplifier was attached to a swivel system through a 6-channel commutator (Plastics One, Roanoke, VA, USA) allowing free movement of the animal in the cage. Next, using a custom-made amplifier (based on TL074 Opamp, Texas Instruments), the ECG signals were high-pass filtered at 0.15 Hz and amplified 512 times. The ECG signals were digitized at a sampling rate of 2000 Hz (16-bit resolution, +/− 10 V input range) by means of a NiDAQ card (USB-6259, National Instruments, Austin, TX, USA) with 32 analog input channels. For this study, mice remained connected to the ECG set-up for four consecutive days. Three simultaneously recorded ECG traces were obtained in lead I, II and III configurations (Figure 2). In this study, the ECG data were subdivided into fragments of twenty minutes for the subsequent optimization and validation of the analysis parameters. For analysis of long-term ECG recordings, we developed custom algorithms that can be applied to multiple recorded fragments using a straightforward batch processing mode.
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3

NI-DAQmx Supported NeuroPG Protocol

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Currently, only National Instruments (NI; Austin, TX, USA) DAQ hardware supporting session based control (NI-DAQmx drivers) is supported by NeuroPG. At least three analog input channels and one counter/timer output are required but do not need to be on the same device. NeuroPG was tested using the NI USB-6259 and the NI PCIe-63321 X Series.
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4

Extracranial LFP and Multiunit Recordings

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LFP recordings outside of the MRI environment were performed using a differential amplifier (DP304, Warner Instruments) and a data acquisition system (USB 6259, National Instruments). Multiunit recordings were performed using the OpenEphys system and a sharpened tungsten electrode (0.5 kOhm impedance, 120 μm diameter, AM systems) attached to a 105 μm diameter optical fiber.
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5

Frequency-Modulation SREF Imaging

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The details of the frequency-modulation method we adopt here can be found in our previous publication24 (link). The main difference comes from the signal detection part. For FM-SREF detection, a non-resonance electro-optic modulator (EO-AM-NR-C2, Thorlabs) is used, and it is driven by a 50-kHz square wave amplified by a high-voltage amplifier (HVA200, Thorlabs) to achieve more than 90% modulation depth. The square wave is generated by our home-built lock-in photon counter for the convenience of phase control and signal synchronization. For filter set configuration, a 2-mm-thick shortpass dichroic mirror (T785spxxr-UF2, Chroma) was used for flatness consideration, all the other optical filters used for nitrile-band SREF signal detection are the same as those used in our previous publication20 (link). The same objective (UPLSAPO, 1.2NA, Olympus) and detector (SPCM-NIR-14-FC, Excelitas) were used for all measurements and imaging. And all imaging scanning and data acquisition (including the lock-in photon counter) are driven by a Multifunction I/O card (USB-6259, NI) controlled with a LabVIEW-based home-built software. The detailed construction of the three systems used in this research can be found in Fig. S1, Fig. S2c, and Fig. 4a. The lock-in photon counter can be coded by following the time sequence diagram shown in Fig. S3.
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6

Hydraulic Bioreactor for IVD Loading

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A hydraulically actuated bioreactor loading system, capable of fitting within an incubator, was built to physiologically load and mechanically evaluate 9 bovine IVDs or 6 human IVDs simultaneously (Figure 2). The system is capable of applying up to 4kN at 1 Hz and consists of a hydraulic pump (PP10/G2-005/3, Rexroth Bosch Group, Charlotte, NC) which is connected to three proportional hydraulic valves (4WREEM, Rexroth Bosch Group). Each hydraulic valve is connected to three hydraulic actuators (CHE 32-18-9A, Parker, Fairfield, NJ). Each actuator is instrumented with a 1000lb load-cell (06-1432-07 Honeywell, Columbus, OH) and a displacement transducer (LVDT, Omega LD620-10, Stamford CT) (Figure 2A). The pressure between the hydraulic valve and the hydraulic actuators is monitored via a pressure transducer (A-10, WIKA, Lawrenceville, GA). All electronics interface with a computer through a data acquisition system (USB-6259, National Instruments, Austin, TX) and are controlled using custom Labview software. The applied force was controlled via a proportional-integral-differential (PID) controller which minimizes the error between the averaged applied force and the force set point (Figure 2B).
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7

Multisensory Illusion of Hand Ownership

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To test the MiHand system, subjects were seated at a table, with an artificial hand placed on the table next to the real hand. The real hand was obscured from a subject’s line of sight by a platform covering it. The control hand was placed in view on the table. For example, if the artificial hand was the right hand as in Fig. 1, the artificial hand was placed to the immediate left of the real right hand. The real right hand was placed beneath a platform, and the real left hand was visible on the table. A drape covered both arms and the artificial hand’s wrist terminus, leading to an immediate visual illusion of ownership because the artificial hand appeared as if it could be connected to the subject (Fig. 1).
LabVIEW (National Instruments Corporation) running on Windows 7 was used to control the experiment and record data through two DAQs (USB-6259 and USB-6009, National Instruments Corporation).
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8

Multimodal Neuromuscular Recordings

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In all experiments, surface EMG was collected from the medial gastrocnemius (mGAS) and soleus (SOL) muscles in the right leg using self-adhesive Ag-AgCl surface electrodes (BlueSensor M; Ambu, Copenhagen, Denmark). The recordings were made using a bipolar set-up with electrodes placed in-line with the muscle fibers at an inter-electrode (i.e., center-to-center) distance of 18 mm. The skin of the subject's right leg was shaved and cleaned with skin preparation gel (NuPrep; Weaver and Company, Aurora, CO) and alcohol (MediSwab; BSN Medical, Hamburg, Germany) before the electrodes were secured. Acceleration of the plane was measured with a 3-axis accelerometer (3D Accelerometer; TMSi, Oldenzaal, Netherlands) and together with EMG was digitized at 2000 Hz on a data acquisition board (Porti7; TMSi, Oldenzaal, Netherlands). Vestibular stimuli, force plate signals and laser sensor data were digitized at 2000 Hz and recorded via a separate data acquisition board (USB-6259; National Instruments) using a custom MATLAB script (MathWorks, Natick, MA, United States). The two recording systems received a trigger signal at the onset of the vestibular stimulus to synchronize the data.
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9

Stable Organic Electrochemical Transistors

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The transistor was gated with (x, y) lateral Au electrodes covered with PEDOT:PSS, and aqueous NaCl electrolyte (100 mM) in deionized water. All measurements were recorded after cycling the OECTs (repetitive 0.3/−0.3 V cycles at the gate for 10 sec each) in order to obtain reproducible behavior. Each current amplitude I0 was defined for pulsing each gate with tP = 50 ms and TP = 10 s (using the average of 5 pulses) and recording the drain current. The amplitude I0 was quite stable for 5 pulses. When the devices are operated in normal conditions (using VDS < 0.6 V and VP < 0.6 V), they are quite stable for at least a six month period. OECT dimensions (PEDOT:PSS channel width, length and gate electrode) were determined with optical microscopy. The thickness of the PEDOT:PSS film was determined with profilometry. The drain current was measured using a National Instrument PXIe-1062Q system. The OECT was biased with a PXIe-4145 source measure unit (SMU) that was simultaneously recording drain current with a sampling rate of 1kHz. Gate voltages were generated by a National Instrument USB-6259. Both gate voltages and drain current measurements were internally triggered by the PXIe system. The acquisition system was monitored by custom-made LabVIEW software.
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10

Multimodal Neuromuscular Evaluation Protocol

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In all experiments, surface EMG was collected from the medial gastrocnemius (mGAS) and soleus (SOL) muscles in the right leg using self-adhesive Ag-AgCl surface electrodes (BlueSensor M; Ambu, Copenhagen, Denmark). The recordings were made using a bipolar set-up with electrodes placed in-line with the muscle fibers at an inter-electrode (i.e., center-to-center) distance of 18 mm. The skin of the subject’s right leg was shaved and cleaned with skin preparation gel (NuPrep; Weaver and Company, Aurora, CO) and alcohol (MediSwab; BSN Medical, Hamburg, Germany) before the electrodes were secured. Acceleration of the plane was measured with a 3-axis accelerometer (3D Accelerometer; TMSi, Oldenzaal, Netherlands) and together with EMG was digitized at 2000 Hz on a data acquisition board (Porti7; TMSi, Oldenzaal, Netherlands). Vestibular stimuli, force plate signals and laser sensor data were digitized at 2000 Hz and recorded via a separate data acquisition board (USB-6259; National Instruments) using a custom MATLAB script (MathWorks, Natick, MA, United States). The two recording systems received a trigger signal at the onset of the vestibular stimulus to synchronize the data.
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