How to judge and prove the uniqueness of the solutions to the following two matrix equations?

It is about the matrix equation AX=B, where a, b c in A and B are independent elements, X should be made of constants. Case 1 A=[a b 0;0 0 c]; B=[a b 0 0;0 0 c c]; The solution is X=[1 0 0 0;0 1...

16 February 2021 5,698 3 View

Alpha and dense granules in platelets not visible in Transmission Electron Microscopy?

I am trying to visualize alpha and dense granules in platelets. However, it seems like the granules were not stained well. Is there any way I can improve my staining technique to obtain better...

04 February 2021 5,925 9 View

How to improve my BrdU immunostaining?

24 January 2021 414 3 View

Just face a Comsol issue dealing with magnetically hyperelastic material?

Hello all, I am just newly doing a simulation to test the deformation status of a magnetized rubber-like material, which is in-compressible, under a shifting magnetic field. Try to find the...

22 January 2021 7,427 2 View

Any tips on Fab blocking of mouse tissue?

Hi, everyone, I am working on immunostaining of bone marrow and growth plates of mice. And I have to use an mouse monoclonal Ab to do this staining. However, with only secondary goat anti-mouse...

21 January 2021 9,826 3 View

NADP+/NADPH in bacterial cell lysates?

Hello all, we'd like to pick your brain . The enzyme we're testing requires NADPH to work. We have controls showing that our reaction needs our enzyme and our enzyme definitely needs NADPH. Since...

20 January 2021 232 2 View

Any suggestions on 50um cryosection immunostaining (growth plate) ?

Hi everyone I am working on immunofluorescence of cryosection of murine growth plates. The Ab worked well on 8um cryosection. But when I stained 50um section, I found the fluorescent signals...

03 January 2021 9,531 3 View

How many times should I inject the drug before I take samples for RNA-Sequencing?

I'm going to perform RNA-sequencing of the zebrafish brain with three different treatments, which are naive fish, alcohol withdrawal fish injected with Saline, alcohol withdrawal fish injected...

08 December 2020 4,643 2 View

Do anyone have experience with zymo research yeast plasmid miniprep?

Hello, I am new to yeast research. I am trying to rescue plasmid from yeast and have tried several protocols developed by researchers. But the results are not promising. I ended up buying this kit...

06 December 2020 1,251 2 View

Why are all the cells are stained by EdU when performing EdU assay?

I was wondering whether there is anyone else have this problem? As shown in the images, almost all the cells are stained with EdU, some are whole nuclei (circle 1), some are puncta inside (circle...

02 December 2020 6,911 4 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

How to find the mean, SD and CI in SPSS?

Hi, I hope that someone can help me with this task: I have 5 groups of participants which are numbered in SPSS from 1 to 5 (according to their group number) and are all under the variable group....

03 March 2021 506 3 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View