Instruments

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Does school exclusion facilitate criminal vulnerability for students and are sufficient preventative measures in place?

The research questions for the study are as follows: Does school exclusion facilitate criminal vulnerability? Are students who are excluded from school at higher risk of county lines...

29 October 2023 661 22 View

I need a high-quality method for efficient extraction of acylcarnitines from fecal specimens?

Dear All, I need a high-quality method/protocol to efficiently extract acylcarnitines from fecal specimens for further LC-MS/MS analysis. This method must be feasible and removes the interfering...

29 October 2023 172 4 View

For Beas 2b cell line can i use DMEM media for cell culture?

Is that ok to use DMEM media for maintaining beas2b cell line?

29 October 2023 5,893 3 View

Can self-healing hydrogels be formed quickly due to the presence of Schiff-base bond during fragmentation?

Hello all, Regarding self-healing hydrogels, can only the covalent Schiff-base bond break and form quickly, or do other bonds give this self-healing property to the hydrogel?

29 October 2023 1,099 3 View

Does the concentration of analyte affect when adding mobile phase to the matrix (urine /blood) after extraction and prior LC-MS/MS?

in bio-fluid samples, we used to add mobile phase (mobile phase A, B, or mixture) to the sample after extraction and prior to LC-MS/MS Wondering, it does not affect the analyte concentration?!!!....

28 October 2023 10,047 2 View

3D cell invasion in Matrigel - why do my cells look "fuzzy"?

Hi everyone, I started using Matrigel about 6 months ago for my cell invasion assays. The first batch (for which I didn't write down the lot number) gave me great results (upper row in the...

28 October 2023 6,324 4 View

Vicon nexus help?

Hello everybody I am researcher from University of Novi Sad, Serbia and I was doing research on lateral steps on Vicon system. However i finished my project on Foro Italico University in Rome and...

28 October 2023 5,985 1 View

What is satisfaction?

What is satisfaction? I would like to hear your opinions from various perspectives. It has many perspectives: logical, mathematical, philosophical, musical, pictorial, poetic, spiritual, physical,...

27 October 2023 3,088 27 View

Can primary neuron migrate through transwell?

I plan to use brain tissue for a transwell expeiment? not sure if any primary neural cells can pass the wells. if you know any references about this kind of expeiments or results of your own,...

26 October 2023 3,408 0 View

BURAI fails to get path of pw.x and mpi Ubuntu?

I tried to run quantum espresso file using BURAI.It says that path of pw.x (and mpi) in the BURAI is incorrect.However,upon checking,i find them to be correct.Kindly,help. I am unable to get to...

26 October 2023 7,908 0 View

How is fuzzy logic specifically applied in the trusted routing protocol, and what advantages does it offer over traditional routing methods ?

25 October 2023 9,502 3 View

What duration of ECG measurement do I need to accurate capture heart rate variability in cats and dogs?

I would like to measure heart rate variability as a measure of welfare in cats and dogs. As the individuals are free-roaming, not all will be comfortable with wearables. I was looking at Star-Oddi...

20 October 2023 8,906 3 View

What is the difference between sample preparation and sample cleanup?

Is sample cleanup not a part of sample preparation. Are there any examples sample cleanup that are not sample preparation in analytical chemistry?

20 October 2023 5,832 8 View

Why in experimental design dealing with coding variables rather than real variables?

In experimental design, when the aim is to find an objective function or response as a function of variables, the real variables are converted to coded variables. For example, if the real...

20 October 2023 7,379 11 View

How can I apply an electric or magnetic field to a cluster?

I want to apply a field to a cluster by VASP, how can I provide a suitable INCAR for this? And if this calculation needs other point, please advise me.

20 October 2023 6,964 3 View

Does anyone know how to make Al soluble or react with the alkaline environment of geopolymer composites to create homogeneity?

By using activated aluminum powder with 50 micro. to create foam, I am trying to experiment and find resources for the problem of uniform foam structure in lightweight geopolymer materials.

18 October 2023 274 1 View

What is the recommended volume of PBS plus Protease Inhibitor for homogenizing rat trigeminal ganglion?

We intend to assess levels of cytokines and growth factors in the trigeminal ganglion of rats using the ELISA method. However, we are uncertain about the recommended volume of PBS + protease...

17 October 2023 8,755 1 View

Sample Preparation Method for pesticide Residues in Blood Sample?

Hello Everyone, I need a sample extraction method for pesticides residues in blood sample on GC-MS/MS or LC-MS/MS. thanks.

17 October 2023 1,599 2 View

How to introduce siRNA in human astrocyte (no primary) cultures?

Hi everyone. Does anyone try to transfect human astrocytes in culture (no primary) to introduce siRNA in order to silence gene expression? Which one would be the best option do do it effectively?...

17 October 2023 721 1 View

How to open large ND2 file in FIJI?

Dear colleagues, good day! I have a large ND2 file (~6 GB) that cannot be opened in FIJI due to its size (FIJI says that there is no available memory). I have already increased the available...

16 October 2023 1,914 3 View

How to extract organic Matter from soil ?

How to extract organic Matter from soil ? Suggest books.

15 October 2023 8,663 5 View

How to find the Degree of reaction from TGA analysis?

How can one determine the Degree of Reaction (DOR) using Thermogravimetric Analysis (TGA)? In modern times, blended mixes with various Supplementary Cementitious Materials (SCMs) are common,...

15 October 2023 4,758 2 View

Does the operation of an optical fiber require normal refraction or total internal refraction?

normal refraction or total internal refraction

14 October 2023 3,131 1 View

Are losses better for optical fiber or optical crystal fiber?

losses

14 October 2023 4,498 2 View

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