Ni 9401

Manufactured by National Instruments

Sourced in United States

The NI-9401 is a digital input/output (DIO) module that provides 8 channels of 5 V/TTL-compatible digital I/O. The module can be used to interface with a variety of digital devices and sensors. It is designed to be used with National Instruments' CompactDAQ and CompactRIO hardware platforms.

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Lab products found in correlation

Ava1000 100gm, by Basler (1 mentions) Labview 2016, by National Instruments (1 mentions) Env 223am, by Med Associates (1 mentions) Env 221m, by Med Associates (1 mentions) Env 203, by Med Associates (1 mentions) Env 200r2m, by Med Associates (1 mentions) Ps350, by Stanford Research Systems (1 mentions)

5 protocols using ni 9401

Inkjet Apparatus for High-Speed Imaging

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A home-built inkjet apparatus was employed for this experiment. The system comprised a piezoelectric inkjet nozzle with a diameter of 40 μm (MJ-ATP-01-040 DLC, MicroFab Technologies), a waveform driver (JetDrive, MicroFab Technologies), a nano-pulsed flashlight source (NP-1A, SUGAWARA Laboratories Inc), a CCD camera (avA1000-100gm, Basler) with a high magnification zoom lens (Zoom 6000 Lens System, Navitar), and the 5 × objective lenses (Infinity Corrected Long Working Distance Objective, Mitutoyo). The inkjet nozzle belongs to a squeeze-mode design where a piezo transducer wrapped the outside of a glass capillary tube. The inkjet nozzle pushes out the liquid when receiving the trigger pulse at a jetting frequency of 10 Hz. Based on single-flash high-speed imaging, all jetting images were obtained by the ultra-short pulse flashlight and the CCD camera. The drop watcher system employs a stroboscopic principle to capture the jetting image. The strobe trigger delay time can be adjusted in 1 μs increments. The very short flashlight with a duration of 180 ns avoided significant motion blurring. These components were electrically synchronized and controlled by an embedded controller (cRIO-9035 and NI-9401, National Instruments).

Kim S., Cho M, & Jung S. (2022). The design of an inkjet drive waveform using machine learning. Scientific Reports, 12, 4841.

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Electrical Stimulation System for Cell Culture

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A schematic of the electrical stimulation system is depicted in Fig. S2. Electrical stimuli were delivered to the culture chamber by a 4-channel, current-controlled stimulator (Digitimer D330 MultiStim) that has a maximum output of 500 mA per channel. The stimulator was remotely controlled by a high-speed TTL pulse generator (National Instruments NI-9401, 100 ns update rate), which was connected to the stimulator by customized wiring between a 25-pin and a 15-pin D-sub connector. The timing and duration of stimulus pulses for each of the 4 independent channels were user-specified in a custom LabVIEW program.

Jackman C., Li H, & Bursac N. (2018). Long-term Contractile Activity and Thyroid Hormone Supplementation Produce Engineered Rat Myocardium with Adult-like Structure and Function. Acta biomaterialia, 78, 98-110.

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Operant Behavior Testing Platform for Neuroscience Research

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The operant behavior testing (OBT) components were obtained from Med Associates, Inc. (Fairfax, VT): nose poke (ENV-114AM), cue light (ENV-221M), tone generator (ENV-223AM), pellet dispenser (ENV-203) and pellet receptacle (ENV-200R2M). Lithium-Ion batteries (12 V, 10 Ah Model: CR12V10Ah with BMS protection circuit) were purchased from Dakota Lithium Battery (Seattle, WA). An MD-ROOC uses one battery at a time. A bidirectional digital I/O interface (NI 9401), wireless data acquisition unit (cDAQ 9191) and interface software (LabVIEW 2016) originated from National Instruments (Austin, TX). The wireless-LAN router (E1200 N300 Wi-Fi Router) was from Linksys (Irvine, CA). The battery delivers the power for all OBT and National Instruments components. A locally constructed digital interface contains an in-house built printed circuit board that accepts digital inputs to control MedAssociates components as well as receiving signals from the nose poke. (Supplementary Information Figures S.1–3).
Ordinarily, OBT componentsuse 28 V for both power and control signals. However, they can be configured, or modified, to use 12 V signals instead. Table 1 lists the modifications neccessary to allow the OBT components to be operated at 12 V.

Degreed B., Ngo K.T., Jaquins-Gerstl A, & Weber S.G. (2019). A Rotating Operant Chamber For Use With Microdialysis. Journal of neuroscience methods, 326, 108387.

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Gas-Sensing PID Electrode Setup

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For the set-up of the PID electrode we used a high-voltage power supply PS350 from Stanford Research Systems, Sunnyvale, CA, USA; a transimpedance amplifier IVC102 from Burr-Brown, Tucson, AZ, USA; a conductive O-ring from Parker Chomerics, Woburn, MA, USA; a commercial PID sensor piD-TECH from AMETEK MOCON, Brooklyn Park, MN, USA; a bare MgF₂ glass window purchased from AOTK, Xiamen, China; a Krypton gas fill from PKR 106-6, Heraeus Noblelight, Banbury, Great Britain; a National Instruments CompactDAQ data acquisition platform cDAQ-9178 chassis with modules NI 9401 and NI 9201, from National Instruments, Austin, TX, USA, and two independent gas lines from GFC mass flow controller, Aalborg Instruments & Controls, Orangeburg, New York, NY, USA. For the acquisition of data we used LabVIEW LabVIEW 2011, National Instruments, Austin, TX, USA, with a software routine developed by the authors and available at the GitHub (https://github.com/INLnano/LabVIEW).

Miranda A, & De Beule P.A. (2021). Atmospheric Photoionization Detector with Improved Photon Efficiency: A Proof of Concept for Application of a Nanolayer Thin-Film Electrode. Sensors (Basel, Switzerland), 21(22), 7738.

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Dual-Wavelength Fiber Photometry System

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A dual-wavelength fiber-photometry system (Doric Lenses) was assembled with a dichroic mini cube (iFMC4), 405-nm and 465-nm connectorized LEDs, a fluorescence detector/amplifier, then connected with a pyPhotometry controller board (1.0.2) and operated by Python script provided by pyPhotometry. Calcium-dependent fluorescence (465-nm excitation; F₄₆₅) and isosbestic control fluorescence (405-nm excitation; F₄₀₅) were monitored at 130-Hz sampling rate using 1-color time-division mode (alterations), and the data were analyzed by a custom-built LabView software. Isosbestic F₄₀₅ fluorescence was fitted to F₄₆₅ signals by least mean squares fitting (F₄₀₅^fitted). Motion-corrected fluorescence signal (dF/F) was calculated by: (F₄₆₅ – F₄₀₅^fitted)/F₄₀₅^fitted. Both breathing monitoring (PowerLab) and fiber photometry systems received a synchronization signal (3.3-V or 5-V TTL) generated by a cDAQ output device (NI-9401, National Instruments) or a Raspberry Pi 4B device.

Jhang J., Liu S., O’Keefe D.D, & Han S. (2023). A top-down slow breathing circuit that alleviates negative affect. bioRxiv.

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