Are there references that say to what factors is the folin-ciocalteu reagent sensitive to?

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Dataset of synchronized cardiac angiography and ECG?

Hello, I'm working on medical project and I would need synchronized angiography with ECG? Does anyone know if some open source dataset of this kind exist? Regards, Bruno

25 July 2024 2,214 2 View

Is possible to edit a gene present in a plasmid by Crispr Cas9?

Hello everyone! Someone working with Crispr Cas9. I have a question. Is it possible to edit a gene that is present on a plasmid (in this case with a low copy number)? In this case, is it possible...

22 July 2024 7,073 2 View

Cheaper alternative to XSens mocap system for ergonomic data acquisition?

Hello all, I'm starting a project where we want to automate the video analysis of people working in different environments to produce ergonomic measures like hip flexion, shoulder extension, etc....

16 June 2024 1,843 1 View

Does anyone have experience with immunofluorescence of endoplasmatic reticulum?

Hi! I have performed several immunofluorescences of cultured ARPE-19 cells with different antibodies expecting in each one a cytoplasmic localization. However, it seems to localize in the...

06 June 2024 7,764 1 View

How can I change the coordinate system in Abaqus using Python?

Hello, I'm writing Python scripts for Abaqus and I'm facing a problem. I need to change the coordinate system in a .odb file before extracting data but I'm stuck. I can create my coordinate system...

30 May 2024 7,431 3 View

How can I induce neuroinflammation with LPS in HMC3 cells ?

dear all, I try to induce neuroinflammation in HMC3 cells using LPS for 24h. The concentration used was 500 ng/ml. But unfortunately no change on TNFa was obtained in LPS versus Control...

29 May 2024 4,007 1 View

Are the grey/white bands composed of magnetite and haematite or are there more iron oxdies/suplfides?

This is a Fe-concretion (about 2 cm in diameter) of possible sedimentary origin (Carpathian Flysch; reflected light microscopy). I suppose the dark grains are could be quartz, subsequently...

22 May 2024 7,954 2 View

Does anyone know of a validated questionnaire on self-efficacy in health professionals / medical doctors?

I am searching for a validated measurement instrument to assess self-efficacy in health care professionals / medical doctors / general practitioners regarding their tasks in medical care and...

21 May 2024 656 0 View

Biobase BKQ-B120L autoclave issues?

I am trying to get a new Biobase BKQ-B120L autoclave to work however it does not go through its cycles. It will start up and go to about 110C and then remains there untill the ERR alarm sounds....

21 May 2024 4,886 1 View

Why do I get frameshift mutants in antibody phage display?

I'm performing an antibody phage display with a VHH library and I consistently get frameshift mutants (mainly frame +2) after biopanning. I'm using TG-1 cells for amplification of phagemids and...

14 May 2024 412 2 View

Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

09 August 2024 9,621 0 View

Is there any way to quantify bacterial and fungal cells in their mixed culture?

I am working in fungal fermentation of soybean meal and there is bacterial growth in them at times. I am trying to quantify fungal cell counts and bacterial cells; but I haven't been able to do at...

07 August 2024 7,535 4 View

Why activated CAR-Jurkat cell could not kill targets?

Previously when I co-coluture anti-CD19(FMC63) CAR-Jurkat with Raji with E:T=5:1, Jurkat can eliminate Raji in 24h. However, when I test another CAR construct, although I can dectect totally CD69...

06 August 2024 641 2 View

How much total RNA concentration to be extracted from sorted plasma cells from bone marrow of C57BL/6 mice for RT-PCR ?

i have sorted anti-NP specific plasma cells from bone marrow of C57BL/6 mice at certain times after immunization with variable counts and isolated total RNA using TRIZOL method for RT-PCR using...

05 August 2024 8,835 1 View

How to use Density Functional Theory to calculate carrier mobilities of solid system?

Hello, everyone. I have tried to determine carrier motilities of some materials, by Density Functional Theory, using Quantum ESPRESSO. There are a few methods to do it, like a package called...

04 August 2024 8,894 1 View

Does long-term culture of murine Monocytes result in macrophage differentiation?

Hi, I am isolating monocytes from the bone marrow using the Mouse Monocyte EasySep kit. I want to treat these cells and monitor expression of specific markers over the course of 10 days. I will...

04 August 2024 7,282 2 View

How can I get my Granzyme B flow cytometry stain to be consistent?

I have used PE and PE-Dazzle 594 fluorochromes and have managed to get NK cells to properly show GranzymeB expression after 4 hr PMA/ionomycin stimulaton, but for some reason my CD8 cells in the...

01 August 2024 7,677 2 View

Best mask design for metal deposition aiming build a Perovskite solar cell device?

What types of mask designs for metal deposition, to be used in a PVD system, are best suited for perovskite-based solar cells?

31 July 2024 4,835 3 View

How to culture and maintain Lx-2 cells?

Hi there! I recently started working on Lx-2 cells. When I thaw the cells, they start attaching within few hours but later in about 2 days they started rounding and dying. I used DMEM+2% FBS...

31 July 2024 3,893 0 View

How to treat monolayer culture cell line with essential oil?

Hi all, may I ask you for advice about treating monolayer culture cell line with essential oil. Due to the hydrophobic character of the oil, I am concerning how can it equally affect to all the...

31 July 2024 5,301 2 View