Is anyone willing to share a protocol for the isolation of exosomes from plasma of cancer patients?

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Breaking organoids to single-cell suspension while passaging?

I'm currently working with mouse uterine organoids and I've seen that many authors perform organoid passaging using mechanical or enzymatic methods to dissolve the Matrigel while breaking the...

01 July 2024 381 2 View

Noves Ricerca Group?

Good morning to all, I have received an invitation to publish a paper from Noves Ricerca Group in a Q2 Journal. They have read my paper and very quickly they have accepted it for publication. It...

20 May 2024 7,407 3 View

Is it possible to use a antibody specific for IF in IHC? and if yes, which will be the protocol??

I have an antibody specific just for ICC and WB but I should use the same antibody to perform an IHC staining. Is it possible to use this ab also in IHC?

15 May 2024 6,392 3 View

What type of high-quality nanopure water do you use for NTA analyses?

We recently acquired a ViewSizer3000 from Horiba, and the manufacturer recommended us to use nanopure water from XZero for the NTA analyses. Do you recommend using any other brands of NW? Which...

05 May 2024 1,976 1 View

What is the best way to concentrate the protein and remove the imidazole post Ni-NTA purification?

I've always struggled with concentrating and washing my proteins after purification. Often I lose almost everything in the process. I have used dialysis membranes followed by column filter...

16 April 2024 5,716 0 View

Orbitrap Astral Mass Spectrometer: applications?

Hi everyone, I'm a PhD student at CAST, Analytical Biochemistry and Proteomics Research Unit, University, "G. d'Annunzio" of Chieti-Pescara. We currently use the Thermo Fisher Orbitrap Fusion...

10 April 2024 9,346 0 View

How does the IP legal framework affect innovation in language technology?

Title: Impact of Patents on Innovation in Language Technology Description: This research examines the influence of patents on innovation in language technology. It explores the balance between...

09 April 2024 9,061 1 View

What are the ethical implications of using AI in surveillance systems to combat cybercrime, and how can these systems be designed to respect privacy?

How can we navigate the ethical challenges of employing AI in surveillance systems for cybercrime prevention, particularly concerning privacy rights? What design principles and safeguards should...

22 March 2024 5,267 3 View

Has anyone experience with a good one antibody for the western blot detection of SQSTM1 in human cells?

The old antibody has been discontinued and the currently offered are detecting a band at 62 kDa, which does not reflect the correct molecular weight (47 kDa).

17 March 2024 4,300 2 View

Seeking Reviews for Q-TOF LCMS-9030 Mass Spectrometer?

Dear Forum Members, I hope this message finds you well. I am currently considering the purchase of a Q-TOF LCMS-9030 Mass Spectrometer for my laboratory, and I would greatly appreciate hearing...

10 March 2024 9,081 0 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

Could it be a cell culture contamination?

Hello everyone! I observed in my culture (htert-RPE1 cells) an orange- red particle at the bottom of the dish. It is visible to the naked eye as a very very small red dot. Could it be a...

09 August 2024 2,824 3 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

How to normalize and take the significance of the MTT OD values with 3 replicates for the same cell-line?

Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...

07 August 2024 8,106 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

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

The Curse of Evolution and Complexity?

Brain and body mass together are positively correlated with lifespan (Hofman 1993). The duration of neural development is one of the best predictors of brain size, and conception is the best...

05 August 2024 6,247 3 View

Do you have good tips for seaweed tissue preservation in the field for post RNA extraction?

I will be with my students collecting seaweed samples in a marine farm and later we will process this tissue for RNA isolation and further sequencing. Does anyone have tips on how to collect the...

04 August 2024 501 2 View

How to isolate lymphocytes from mouse spleen?

I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...

04 August 2024 9,913 7 View

How to Add Missing Water Molecules in Protein-Membrane Simulations?

I have protein-membrane simulations (PDB, PSF, DCD) and have noticed that water molecules near the protein are not visible in the simulations. How can I fix this issue? Is there a way to place the...

04 August 2024 1,200 2 View