What percentages of CD4+ or CD8+ T cells are Tbet positive in spleen?

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What's the concentration of mouse plasma/serum IL-12?

I have been trying to measure mouse plasma/serum IL-12 by multiplex TH1/TH2 cytokine kit (MSD). And the IL12 concentration from healthy mouse is around 1ng/mL from my measurement. For other...

07 August 2014 9,414 4 View

What percentages of CD4+ or CD8+ T cells are IFN-γ positive in spleen and PBMC?

I am trying to do IFN-γ intracellular staining of mouse spleen cells and PBMC. I will stimulate cells with PMA and ionomycin first. I want to know what percentages of CD4+ T cells or CD8+ T cells...

06 July 2014 9,363 6 View

Anyone have experience with mouse serum IL-12 ELISA?

Recently I have been working with detecting serum IL12 by ELISA. Based on that result, the sera from healthy mice have around 10000~20000pg/mL IL12p40/p70. But when I searched the literature,...

05 June 2014 6,937 2 View

What's the CD11b-LyC(hi) population in mouse PBMCs?

When I stained mouse PBMCs, I saw there was a population of Ly6c+CD11b- cells (>10%) and these cells express CD86. From the FSC and SSC, I can tell they are not lymphocytes. Does anybody have an...

01 February 2014 8,722 7 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

What precautions should be taken while handling S. aureus enterotoxin Type B in the lab?

I would like to understand potential safety concerns while handling SEB in the lab. Especially while working in animal house facility. Would like to know precautions for handling. Sigma MSDS...

07 August 2024 6,034 3 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 to determine positive-stained cells in FACS? Use isotype or unstained control?

To compare positive and negative cell populations in flow cytometry, should I compare unstained cells with antibody stained cells? Or with the isotype control? Most papers show comparison with...

06 August 2024 6,728 6 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

Why do we equate male and female arousal?

Women, on the other hand, can become physically aroused (increased blood flow in the reproductive organs) without becoming psychologically aroused even in the slightest. (Robert Weiss)

05 August 2024 9,537 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 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