How do I interpret fit statistics SEM and Modindices output?

Hi, I would need some help in understanding the SEM output. I run a latent change score analysis to test the change score of a variable of interest at two-time points (repeated measure) PLD1 and...

05 January 2021 3,367 2 View

Lipofectamine 3000 in 10 cm dish?

Dear all, I'm trying to transfect HeLa cells with lipofectamine 3000 in a 10 cm dish. Do someone of you have a protocol to share? I still examined the table for scaling up or down lipo3000 but it...

13 October 2020 2,926 3 View

Which is the best system to keep endocrinology samples frozen in the field, without electricity?

Hi everyone, I am looking for suggestions to store biological samples in the field for endocrinology analyses, where I will not have electricity. One of the options we are evaluating is a solar...

01 September 2020 3,766 3 View

How to combine beam and shell elements in ANSYS APDL?

Hi everyone! I have a doubt and I hope there is someone who can give me an advice. I am modeling a MEMS gyroscope for my Master thesis and I am starting with a very basic structural design. My...

20 August 2020 9,524 5 View

How to edit density and heat capacity in Aspen Plus ?

Recently I'm trying to edit a pure component mass density and heat capacity of an existing component NaNO3 but failed. Could anyone help me on this? Thanks a lot.

17 July 2020 8,800 8 View

Do you have suggestions about CROSS CULTURAL ADAPTATION of questionnaires?

Hi! I am currently translating and adaptating a questionnarire about attitudes towards inclusion, and I would like to have suggestions about specific literature in translation and cross-cultural...

23 March 2020 2,630 3 View

Can the pcDNA5FRT/TO vector be used for transient overexpression of a gene in a common cell line?

01 March 2020 3,206 2 View

Does CXCL8 or other chemokines induce in vitro cell proliferation?

hi everybody, i have some troubles with chemokines and cell proliferation. Different papers evidence that CXCL8 (but also CXCL12, CCL2 and other chemokines) are able to promote cancer cell...

03 February 2020 214 4 View

Anyone could suggest how to analyze calcium imaging using imagej?

Hi, we would like to analyze time sequences images of calcium imaging assay performed with Fluo4-AM in imagej. Is there any plugin that we could install to do this? Do you have any kind of...

27 January 2020 2,665 1 View

Chloroform and isopropanol RNA extractions?

I have to perform RNA extraction with TRIzol LS and I just realized that we have chloroform stabilized with ethanol. Is that ok? And should chloroform and isopropanol be "molecular biology...

30 September 2019 4,647 5 View

How to avoid ATP degradation while performing ATP assay?

I am using the ATP Assay Kit (Colorimetric/Fluorometric) (ab83355) for measuring intracellular ATP from treated cell lines. Although my standards are wokring fine when using the fluorometric...

15 February 2021 3,746 4 View

Simultaneous imaging of multiple components (Carbohydrates, Fat, Protein) in food products using confocal microscopy??

Hi Everyone, I am trying to characterize the microstructure (localization of carbohydrates, fats, and proteins) of coconut milk powder using confocal microscopy. From the review of the available...

12 January 2021 5,464 2 View

Does Lucifer Yellow interfere with miniEPSC/IPSC recordings?

I want to mark the neurons I am recording from during whole cell Patch clamp. I am thinking of using Lucifer Yellow. Does it increase noise during recording? What are the better alternatives to...

04 January 2021 7,791 3 View

What is the best dye to use to visualise electroporation of neurons with DNA for later expression of a genetically-encoded fluorescent reporter?

We would like to electroporate neurons in organotypic slice cultures with DNA for genetically-encoded flourescent reporters (pH reporters, GEVIs etc). We would like to use an anionic dye that can...

17 November 2020 2,794 1 View

What is the time required for an enzyme or an protein molecule to consume an ATP molecule during a reaction?

In what time do a protein body consumes an ATP molecule for an active process to happen?

02 October 2020 8,135 4 View

Can I image AlexaFluor488-labeled proteins in fixed tissue?

I'm planning to administer an immunogen labeled with AlexaFluor-488 into macaques with the goal to image the immunogen in the draining lymph node after it is biopsied. I'm having trouble finding...

21 September 2020 7,156 3 View

How efficient are HiTrap desalting columns for separation of proteins from free fluorescent labels?

I am looking for a reliable and fast method for separation of protein-fluorescent probe conjugates from the respective free fluorophores present in labeling reactions. HiTrap desalting columns...

06 September 2020 8,039 8 View

What are the effects of phosphorus deficiency on dehydrogenase activity in soil bacteria and fungi?

I suspect that under phosphorus deficiency the electron transport chain in the plasmamembrane and mitochondria of soil bacteria and AM fungi, respectively, is disrupted as a result of lower ATP...

30 August 2020 4,659 3 View

Please recommend biological investigation of newly identified anticancer compounds that specifically inhibit Src kinase?

We aim to publish ta high impact journals (If 6+). Compounds showed incredible activities on cancer cell line (submicromolar on several types). I need your recommendation on how to determine...

24 May 2020 1,230 3 View

Does anyone have useful tips for staining and imaging 3-4 endogenous proteins by immunofluorescence microscopy?

Please I need some technical advise on multiplex IF for at least 3 proteins: I am trying to image 3 different endogenous proteins by IF-confocal microscopy, but only have primary antibodies raised...

10 May 2020 2,132 1 View