What are some factors that would result in a small fEPSP?

Hi everyone, I'm consistently having small fEPSP's of approximately -0.01 mv. I've been moving the position of my electrodes and increasing the stimulation intensity but the response doesn't...

03 December 2020 7,125 7 View

What is an appropriate tip diameter size for a stimulating electrode?

I'm setting up an electrophysiology rig examining LTP in the CA1 region of the hippocampus. What is an appropriate tip diameter size for a stimulating electrode to generate fEPSP? Also, I'm...

01 December 2020 5,139 2 View

Acoustic shock wave from spark?

I'm working with an application where I'd like to detect a short sound from a distance up to 100 m. An ultrasonic chirp has been unreliable so far. I was contemplating the use of the snap of an...

30 September 2020 8,627 4 View

What are the ways to know whether or not the analysis with multiple imputations is a better estimate than the one with missing data?

I have a panel data set: 39 countries and 12 years (n = 468). My key variable of interest (Variable A) has missing data, along with other variables, and 387 cases are available out of 468. I have...

11 March 2018 6,448 3 View

Do social scientists in European have less preference in the use of statistical analysis than their counterparts in the United States do?

I am a social scientist (more accurately a criminologist) who works in the United States. A couple of years ago, I submitted my manuscript to a journal in Europe for a possible publication. The...

08 March 2018 549 4 View

Invasive devices are being used to stimulate organs in the body. What frequencies, voltages, and pulse lengths are being used?

There are a lot of invasive technologies in use today that are used to stimulate organs, the nervous system, the brain, and pain receptors in the body. One example, would be a device that...

03 March 2018 570 3 View

How can I create a damper/spring-foundation under a steel beam in dynamic explicit in Abaqus ?

Hi, I am new to abaqus. I am modelling a steel cantilever beam under impact loading in abaqus. I used solid-homogeneous as my section. I created a step "Dynamic-Explicit"(time period=0.01),...

25 February 2017 1,542 3 View

There are many antennas out there. I want to broadcast a signal that only one would receive. How can I do this?

07 May 2016 5,153 6 View

Is anyone doing research on the extraction of biological signals using atomic magnetometers positioned remotely (>10cm) from the body?

Recent research has enabled EEG readings with a sensor 4mm away from the skin: https://www.osapublishing.org/boe/abstract.cfm?uri=boe-3-5-981 In 2013, an extremely sensitive atomic magnetometer...

30 November 2015 6,483 3 View

Can I dissolve ferric oxide in hexane and then add a silane to functionalize a inorganic compound

I am exploring the use of an absorbent which removes AsIII and AsV from water

13 July 2015 2,404 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software?

Hi every one Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software? Biogas fuel is not available in the options thanks

23 February 2021 6,518 3 View

Are there any candidates for an Einstein's bare cosmological constant?

It is commonly accepted that General Relativity has its own 'bare' cosmological constant that contributes together with the cosmological constant resulting from vacuum energy density for an...

23 February 2021 5,448 8 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

Negative result on natural product sample cholinergic assay?

i have been doing cholinergic assay on natural product and for some of the samples, i get negative value for the inhibition activity. can anyone help me explain the meaning of the negative value...

17 February 2021 4,118 1 View