For Experiment 2, rats were implanted with similar electrodes targeting the VTA. In this experiment, most rats had 8-channel electrodes, while one had 32 channels.
Nichrome wire
Nichrome wire is a metal alloy composed of approximately 80% nickel and 20% chromium. It is known for its high electrical resistance and durability, making it a commonly used material in various applications, including laboratory equipment. Nichrome wire is valued for its ability to maintain its electrical properties at high temperatures.
Market Availability & Pricing
The Formvar-Insulated Nichrome Wire is a product officially offered by A-M Systems and available through their authorized distributors. Pricing for this item typically starts from $266.00.
Need Operating Instructions, SDS, or distributor details? Just ask our AI Agent.
Is this product still available?
Get pricing insights and sourcing optionsLab products found in correlation
34 protocols using «nichrome wire»
Implantation of Drivable Electrode Bundles in Rat VTA
For Experiment 2, rats were implanted with similar electrodes targeting the VTA. In this experiment, most rats had 8-channel electrodes, while one had 32 channels.
Extracellular Recording in Chick NCL
After the surgery, the chicks were left to recover until the next day in their home cages. Between the 8th and the 12th day after hatching, we recorded neural responses to face-like stimuli in the NCL of chicks. Before every recording session, the microdrive was connected to the Plexon system (Plexon Inc.) via a QuickClip connector and an omnetics headstage (Neuralynx). After every recording session, the tetrodes were manually advanced by ca. 100 µm.
Signals were preamplified with a 16-channel head-stage (20×, Plexon Model number: PX.HST/16 V-G20-LN) subsequently amplified 1,000× and digitalized. Spike detection and sorting was automatically performed in Kilosort 2.0 (66 (link)) with following parameters: ops.minfr_goodchannels = 0.1; ops.Th = [10 5]; ops.lam = 20; ops.AUCsplit = 0.95; ops.ThPre = 8; ops.spkTh = −6. All identified units were manually curated using Phy 2.0.
Microwire Electrode Implantation in Rat VTA
Electrodes were constructed from 25μm formvar-insulated NiChrome wires (A-M Systems Carlsborg, WA) as previously described (Takahashi, Batchelor et al. 2017 ). The wires were bundled in two 27-gauge cannulas centered 740 um apart and mounted in a custom 3D-printed microdrive. Prior to implantation, wires were trimmed to 1-2 mm, spread to allow ≥ 25 μm between them, and gold-plated to an impedance of 400-700 kΩ (at 100 Hz). Surgeries were performed under isoflurane with aseptic technique, and 0.5 mg/kg Carprofen was provided for two days for pain management. For two weeks, oral cephalexin and topical Neosporin were also provided.
For
Extracellular Recordings from Chick Nidopallium Caudolaterale
After the surgery, the chicks were left to recover until the next day in their home cages. Between the 8th and the 12th day after hatching we recorded neural responses to face-like stimuli in the NCL of chicks. Before every recording session the microdrive was connected to the Plexon system (Plexon Inc., USA) via a QuickClip connector and an omnetics headstage (Neuralynx, USA). After every recording session the tetrodes were manually advanced by ca. 100 µm.
Signals were pre-amplified with a 16-channel head-stage (20×, Plexon Model number: PX.HST/16V-G20-LN) subsequently amplified 1000 × and digitalised. Spike detection and sorting was automatically performed in Kilosort 2.0 48 with following parameters: ops.minfr_goodchannels = 0.1; ops.Th = [10 5]; ops.lam = 20; ops.AUCsplit = 0.95; ops.ThPre = 8; ops.spkTh = -6. All identified units were manually curated using Phy 2.0.
Corresponding organizations : University of Trento
Virus Injection and Electrode Implantation in Mouse CeL
For the chronic implantation of electrodes, the mice were anesthetized with isoflurane using SomnoSuite (Kent Scientific, CT, USA). Stainless steel screws were implanted into the skull for electrode fixation. Each bundle of electrodes, consisting of 16 individually insulated nichrome wires (with a diameter of 15 μm and impedance of 70–120 KΩ; A-M Systems, WA, USA), was attached to the electrode guides. Two electrodes were connected to a 36-pin dual-row male nano connector (Omnetics, MN, USA). The connectors were referenced and grounded via four insulated silver wires (127 μm in diameter; A-M Systems). The electrodes were slowly placed into the CeL (1–5 μm/s) using a manipulator (Scientifica, Uckfield, UK), and the reference and ground wires were placed into the cerebellum. Electrodes and connectors were firmly fixed on the skull with Superbond (Sun Medical, Moriyama, Japan). The mice were allowed to recover for 21 days after surgery.
Top 5 most cited protocols using «nichrome wire»
Investigating Hippocampal LTP Modulation by Nr4a
Corresponding organizations : University of Pennsylvania
Chronic Hippocampal Electrode Implantation in Rats
Rats were chronically implanted with a custom implant (Versadrive; Neuralynx, Montana) that allowed for LFP and single cell recording from a 2 × 2 array of tetrodes in both the left and right hippocampus (− 3.8 AP, ± 3.8 ML, set at ± 10°). All tetrodes were made from 25 μm diameter nichrome wire (A–M systems; Carlsborg, WA). Their tips were placed 2.0 mm below the skull surface. For all implants, each tetrode wire was gold plated before implantation until the impedance was between 80 and 200 kΩ.
All implants were fixed to the skull via the skull screws (FHC Inc.) and Grip Cement (Dentsply Inc.). The wound was sutured and topical antibiotic applied. The interval between surgery and the beginning of electrophysiological recording was 1 week.
Corresponding organizations : University of Vermont, University of California, Irvine, Inserm, Institut de Neurobiologie de la Méditerranée, University College London
Hippocampal LTP after Sleep Deprivation
Corresponding organizations : University of Pennsylvania, University of Michigan–Ann Arbor
Hippocampal Synaptic Plasticity in Cdk5 Mice
Corresponding organizations : Massachusetts Institute of Technology, Broad Institute, Howard Hughes Medical Institute, University of Virginia
Optogenetic Manipulation and Electrophysiology in Rat VLO
To confirm the efficacy of eNpHR3.0-mediated inhibition, the optrode was slowly lowered to the left VLO using a micromanipulator (IVM-1000, Scientifica, UK) in anesthetized rats expressing eNpHR3.0. The optical fiber was connected to a 593-nm laser (YL593T6, SLOC, China) controlled by a pulse stimulator (Master-9, A.M.P.I., Israel). The power density of light emitted from the optrode was calibrated to approximately 5 mW. After spontaneous firing of neurons was detected, 593-nm laser illumination (10 epochs of 500 ms, separated by a variable interval of 20 to 40 s) reliably suppressed neural activities in a temporally precise, stable, and reversible manner (fig. S3).
Similarly, for the rats expressing ChR2, 473-nm laser (BL473T3, SLOC, China) illumination (5 mW, 20 Hz, 15-ms pulse duration, 10 epochs of 500 ms, separated by a variable interval of 20 to 40 s) induced reliable spikes in VLO neurons (fig. S8). Note that the rats used to confirm the efficacy of ChR2-mediated activation were raised on food without Dox after virus injection.
Corresponding organizations : Army Medical University, City University of Hong Kong
Spelling variants (same manufacturer)
Similar products (other manufacturers)
The spelling variants listed above correspond to different ways the product may be referred to in scientific literature.
These variants have been automatically detected by our extraction engine, which groups similar formulations based on semantic similarity.
About PubCompare
Our mission is to provide scientists with the largest repository of trustworthy protocols and intelligent analytical tools, thereby offering them extensive information to design robust protocols aimed at minimizing the risk of failures.
We believe that the most crucial aspect is to grant scientists access to a wide range of reliable sources and new useful tools that surpass human capabilities.
However, we trust in allowing scientists to determine how to construct their own protocols based on this information, as they are the experts in their field.
Ready to get started?
Sign up for free.
Registration takes 20 seconds.
Available from any computer
No download required
Revolutionizing how scientists
search and build protocols!