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Labview based software

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LabView-based software is a product offered by National Instruments. It is a graphical programming environment used for the development of complex measurement, test, and control systems. The software provides a user-friendly interface and tools for designing, testing, and deploying applications across a wide range of industries and applications.

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Lab products found in correlation

Bnc 2110, by National Instruments (1 mentions)

7 protocols using labview based software

1

Preliminary Hemodynamic Evaluation of CPDS

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Preliminary experiments were performed to verify the hemodynamics of the developed CPDequipped EVCS under pulsatile flow, with a blood analog fluid and a silicone tube used as a SV substitute (Figure 1D). The coronary flow and pressure signals were acquired at the inlet of the culture chamber (P1); pressure was acquired along the SV substitute (P2) through purposedeveloped pressure ports (Figure 1D). A transit-time ultrasound flow meter (HT110R, Transonic System Inc., Ithaca, NJ, USA) equipped with a !" probe was used for flow rate and two pressure transducers (Press-S-000, PendoTECH, NJ, USA) were used for pressure. Signals were acquired at 200 Hz via a PC equipped with an I/O board (NIDAQCard-6036E, National Instruments Corp.), with a LabView-based software (National Instruments Corp., TX, USA).
Piola M., Ruiter M., Vismara R., Mastrullo V., Agrifoglio M., Zanobini M., Pesce M., Soncini M, & Fiore G.B. (2017). Full Mimicking of Coronary Hemodynamics for Ex-Vivo Stimulation of Human Saphenous Veins. Annals of biomedical engineering, 45(4).
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2

Intrinsic Optical Imaging and Two-Photon Microscopy of Olfactory Bulb

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We used computer controlled LEDs to shine far red light (780nm) for imaging intrinsic optical signals, a good proxy for presynaptic OSN activity19 (link),54 ,55 , on the dorsal surface of the bulb, acquiring images at 25 Hz (Vosskuhler, 1300-QF CCD camera). For two photon imaging, we used a Chameleon Ultra II Ti:Sapphire femtosecond pulsed laser (Coherent) and a custom-built multiphoton microscope. The shortest possible optical path was used to bring the laser onto a galvanometric mirrors scanning system (6215HB, Cambridge Technologies). The scanning system projected the incident laser beam tuned at 930nm through a scan lens and tube lens to backfill the aperture of an Olympus 20X, 1.0 NA objective. Scanning and acquisition were performed using custom Labview based software (National Instruments).
Chae H., Kepple D.R., Bast W.G., Murthy V.N., Koulakov A.A, & Albeanu D.F. (2019). Mosaic representations of odors in the input and output layers of the mouse olfactory bulb. Nature neuroscience, 22(8), 1306-1317.
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3

Gas Delivery for Cell Culture Experiments

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Gas supplied to culture plates was delivered by mass flow controllers (Aalborg) directed by LabView-based software (National Instruments). All experiments used two feed gas mixtures for delivery to the plate mixing tree and manifold: Gas Input 1: 95% N2/5% CO2, and Gas Input 2: 95% air/5% CO2. Hereafter, for convenience, these gas mixtures will be referred to as N2/CO2 and air/CO2, respectively. Gas flow rates were changed at different time points with a LabView program.
Yao M., Rabbani Z.N., Sattler T., Nguyen K.G., Zaharoff D.A., Walker G, & Gamcsik M.P. (2019). Flow-encoded oxygen control to track the time-dependence of molecular changes induced by static or cycling hypoxia.. Analytical chemistry, 91(23), 15032-15039.
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4

Cardiac Electrophysiology in Murine Models

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EKG signals were recorded as previously described (27 (link)). Mice were sedated with diazepam (10 mg/kg), and electrodes were placed subcutaneously (DI derivation). Traces were recorded using the Power-Lab 2/20 System connected to an amplifier (Panlab Instruments, Spain) at a sample rate of 1 kHz.
The analysis of EKG recordings was performed in Trace-Watcher (43 (link)), a custom Lab-View–based Software (National Instruments, USA) designed and gently provided to us by Dr. Ariel Escobar (UC-Merced, USA). Briefly, EKG signals were filtered with a Gaussian filter at a 0.2-kHz cutoff value, then the baseline was corrected, and the signals were segmented in windows containing the whole cardiac cycle. The P wave, PR interval, and QJ duration were measured. Additionally, R peak locations were automatically detected and then adjusted by a trained observer using PhysioZoo software (44 (link)). Spontaneous cardiac arrhythmias were evaluated by a trained observer during the whole recording.
Sousa Oliveira C.V., Moreno-Loaiza O., Figueiredo-Vanzan D., Peroba Ramos I., Mata-Santos H., Torres Bozza M., Neto Paiva C, & Medei E. (2022). IL-1β is not critical to chronic heart dysfunction in mice with Chagas disease. Frontiers in Immunology, 13, 1010257.
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5

Gas Delivery for Cell Culture

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Gas supplied to culture plates was delivered by mass flow controllers (Aalborg) directed by LabView-based software (National Instruments). All experiments used two feed gas mixtures for delivery to the plate mixing tree and manifold: Gas Input 1: 95% N2/5% CO2, and Gas Input 2: 95% air/5% CO2. For cycling experiments, gas flow rates and switching were controlled with a LabView program.
Yao M., Walker G, & Gamcsik M.P. (2021). A multiwell plate-based system for toxicity screening under multiple static or cycling oxygen environments. Scientific Reports, 11, 4020.
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6

Fetal Hemodynamics Monitoring Protocol

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All signals were digitised at 4096 Hz, decimated to lower sampling rates and stored using LabVIEW-based software (National Instruments, Austin, TX, USA). MAP was recorded using Novatrans III Gold, MX860 pressure transducers (Medex, Hilliard, OH, USA) and corrected for maternal position by subtraction of amniotic fluid pressure. The pressure signals were amplified 500×, low-pass filtered with a Butterworth-filter at 20Hz and saved at 64Hz. The raw electrocardiogram signal was analogue filtered with a first-order high-pass filter at 1Hz and an eighth-order low-pass Bessel-filter set at 100Hz and saved at 512Hz.
Georgieva A., Lear C.A., Westgate J.A., Kasai M., Miyagi E., Ikeda T., Gunn A.J, & Bennet L. (2021). Deceleration area and capacity during labour-like umbilical cord occlusions identify evolving hypotension: a controlled study in fetal sheep. BJOG : an international journal of obstetrics and gynaecology, 128(9).
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7

Measuring Individual Finger Forces Using Piezoelectric Sensors

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Four unidirectional piezoelectric sensors (model 208C02, PCB Piezotronics, Depew, NY) were used to measure the force produced by individual fingers. The sensors were attached with threaded rods to the slots in the top plate of the frame of the experimental device (suspension device, Figure 1A). This configuration allowed vertical adjustments in a range of 40 mm. The slots were placed 30 mm apart in the mediolateral direction and allowed adjustments in the finger longitudinal direction in a range of 150 mm. Both vertical and longitudinal adjustments could be made to accommodate individual differences in finger anatomy. A loop of aircraft cable was suspended from each sensor; the bottom end of the loop was covered in rubber to allow for comfortable finger placement. A hand fixation system was used to stabilize the palm of the hand to ensure a constant hand configuration throughout the experiment (Fig. 1B). A 20″ monitor was located 0.6 m from the subject’s head at eye level, to set tasks and provide visual feedback on their performance.
The signals from each sensor were sent through a signal conditioner (PCB, model 484B06) to a 16-bit analog-to-digital converter (BNC 2110; National Instruments). A LabVIEW-based software (National Instruments, Austin, TX) was developed to display visual feedback and record the force signals from individual fingers at 1000 Hz.
Cuadra C., Bartsch A., Tiemann P., Reschechtko S, & Latash M.L. (2018). Multi-finger synergies and the muscular apparatus of the hand. Experimental brain research, 236(5), 1383-1393.
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