DNA isolation from PAXgene Blood RNA tubes ?

I am in such unfortunate situation that I have to try to obtain whole-blood DNA from blood stored in PAXgene Blood RNA tubes [so in tubes containing some RNA-later'ish fluid]. Anyone tried to...

15 December 2020 9,445 2 View

Could the desmin mutation in myofibrillar myopathy be caused by an infection?

A patient with desminopathy (mutation Thr341Pro DES in a heterozygous state) with the progression of the disease has a decrease in taste and smell, immunosuppression, and an increase in IgA in the...

02 November 2020 5,886 6 View

How can we explain the decrease in taste in a patient with desminopathy (myofibrillar myopathy)?

A patient with hereditary desminopathy (mutation Thr341Pro DES in a heterozygous state) with disease progression has a significant decrease in taste. How can this fact be explained?

15 September 2020 3,742 4 View

Can Protein A tag interact directly with secondary antibodies on western blotting?

Hi, everyone! Does anybody have experience with WB of ProtA tagged proteins? Can it give a non-specific signal when you probe the membrane with control ab to different size protein?

29 November 2017 5,953 1 View

Can antibidy react with loading buffer?

Hi, I'm trying to perform some blotting with yeast Trf4 protein, but each time get strange result with nonspecific spots. It appear even in control wells, filled with water+loading dye, but not in...

26 June 2017 3,477 2 View

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05 June 2016 8,332 8 View

How can I make a whole-cell with hyperosmotic intrapipette solution?

I use regular KGluc solution, but with ajusted to 450 mOsm osmolarity. Bath solution is regular Tyrode-based, with normal osmolarity. Under these conditions gigaseal forms very quickly, but when I...

05 June 2015 6,674 4 View

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I am faced with problem to use the same or close to the same actual concentrations of drugs in behavioral tests, as in electrophysiological experiments. Does anybody know the ratio between the...

11 December 2014 9,153 1 View

Is it necessary to reduce the level of uric acid in the blood of a patient with desminopathy (myofibrillary myopathy)?

01 January 1970 422 3 View

How can I reduce the level of the pro-inflammatory cytokine interleukin-6 (Il-6) in myofibrillar myopathy?

Over the past six months, a patient with hereditary desminopathy (Thr341Pro DES mutation in the heterozygous state) has a 1.6-fold increase in the level of the pro-inflammatory cytokine...

01 January 1970 3,273 6 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

Can bacterial suspension be pipetted directly onto petri dish and agar poured onto it?

Hi, recently I encountered a protocol for plating which was not the usual method I have been practicing (pour LB agar onto plate, allow it to solidify, pipette bacterial suspension onto plate,...

28 February 2021 7,292 3 View

Is there anyone who experienced with cytotoxic effect of Hoescht 33342 dye?

Is Hoechst toxic to cells? In general, it is known as non-toxic. I am working with dsRED MDA-MB-231 cell line. I applied it for my PDMS-based microfluidic platform, for this reason, I incubated...

26 February 2021 9,119 3 View

Difficulty in cloning of 1kb gene into vector?

I am facing difficulties in cloning a 1kb gene into a vector (pJIT163). I have my gene on interest (GOI) in pUC57 and want to clone in pJIT163 using SalI and BamHI restriction sites. I am getting...

25 February 2021 3,221 7 View

Why anti-CD20 or other antibodies are not used to label target cells in flow cytometry t-cell cytotoxicity assay?

New to the field of cell therapy. Why fluorescent-labeled antibodies to target cell antigens are not used for determining target cell count by flow cytometry in cytotoxicity assay (eg car-t)? Cell...

21 February 2021 3,278 3 View

Can 5-FOA Diffuse Through Agar?

I am preparing to do a gene knockout in the filamentous fungi Coccidioides posadasii targeting pyrG/URA3 so that 5-FOA can be used for selection pressure instead of traditional antibiotic...

16 February 2021 169 4 View

How do I change g/l into mM for bacto agar. I am trying to get the millimolar content of sodium and chloride percentage in bacto agar. How do I do it?

I am doing a salt tolerance-related experiment and for that I need to relate my salt levels to that in bacto agar. I don't want my salt concentrations to increase due to already salt content...

09 February 2021 4,158 1 View

A film coverage that allows for transmittance of wavelengths on the infrared scale?

I've landed on needing some type of highly optically transparent film or cover material that prevents evaporation of culture media; I am not sure which subfield of materials science would be able...

08 February 2021 5,760 1 View

The reason of PMMA channels cracking?

07 February 2021 3,663 2 View

Transformation into the Stbl3 chemo competent cells?

03 February 2021 1,111 5 View