How can I take subsamples of water from a larger sample in a way that allows me to measure the iron content of the subsample?

I learned how to take subsamples with a magnetic stir bar, but I noticed iron particles stick to the bar, and I am having trouble finding a standard method to solve that problem. How can I take a...

04 February 2021 4,778 1 View

Can anyone recommend a good ICC antibody specific for human TMEM119?

Mouse antibodies on the market appear to be better than the human antibodies, which seem to label poorly. Any experience with antiTMEM119 antibodies for labeling human microglia would be helpful....

22 July 2020 7,279 1 View

Is there a microglia specific marker to differentiate from macrophages (that is not TMEM119)?

Hello - I'm working with stem cell derived microglia. When adding to 3D cultures I'm not getting a signal for TMEM119, which based on literature could be due to the immaturity of the cells (where...

19 February 2020 1,543 3 View

Synthetic Materials with Acoustic Impedances of 1.53 and 1.69?

Hello, My name is Colleen O'Brien, a senior biomedical engineering student.For my senior project I am required to build a model of human abdomen to validate a device we are developing. I still am...

04 December 2019 3,275 3 View

Mosaic Image J interaction analysis Hernquist strength?

I'm trying to use Mosaic Image J for interaction Analysis of pre and post synaptic puncta. When running the program it gives measurements for "Strength, Residual, and Scale." Can someone explain...

06 January 2019 4,194 1 View

Clumped co-culture cells cause?

Has anyone dealt with technical issues with both primary rat neuron/glia co cultures and human iPSC neuron astrocyte co cultures (both on PDL), where the cells seem to ball up near the cell body...

18 November 2018 8,787 4 View

Is there an information overload theory?

I am writing an introduction about information overload. As of now I can't find any theory about information overload. Is there one? Better if it is related to library and information science....

18 February 2018 1,267 13 View

What statistical test should I do for sholl analysis (neuronal dendrite complexity) with 2 independent variables?

I have 2 independent variables (genotype and treatment) and I want to analyze their correlation though sholl analysis. Which statistical test should I do?

02 November 2016 6,409 3 View

Can anyone recommend a well recognized online epidemiology course?

Our institution does not have such a course and I would like to become credentialed for epidemiology.

12 November 2013 962 10 View

Your Professional Legacy

How do you want your students to remember you?

01 January 1970 3,600 4 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View