Developing hCG, FSH, LH biosimilar ?

Hi, We into developing hCG, FSH, LH biosimilar expressing CHO clones. Want to collaborate, or seek consultancy from the experts in the field. regards,

08 September 2018 4,072 0 View

Immortal heterohybridoma line secreting monoclonal anti-D antibodies ?

If any scientist ihas developed a Immortal heterohybridoma line secreting monoclonal anti-D antibodies, we are keen to collaborate to take the research to clinical level for conducting the...

08 September 2018 4,628 0 View

TGE is working but not SGE in DG44 cells ?

Our lab is working on developing the stable gene expressing clone in DG44 cells,. After transfection, transient gene expression is working, after growing the cells in the media with out GHT and...

07 August 2018 7,212 3 View

Looking for retroviral vector system for transducing DG44 cells ?

Hi We are Looking for retroviral vector system for transducing DG44 cells with GOI to produce expressing clone. Suggestion, collaboration are welcome.

02 March 2018 6,452 1 View

What is the difference in running a E.Coli Fermentor and Mammalian CHO cell bioreactor ?

what is the difference in running a E.Coli Fermentor and Mammalian CHO cell bioreactor ?

11 December 2017 5,219 0 View

Want to learn the 5'-ITR and 3'-ITR sequence of the Sleeping beauty transposon ?

Want to learn/know the 5'-ITR and 3'-ITR sequence of the Sleeping beauty transposon for designing the experiments working with Sleeping beauty transposase.

10 November 2017 3,667 3 View

Expression improvement in0 DG44 CHO cells and NANA glycosylation ?

Working on the DG44 CHO cells for recombinant protein expression, we have been getting the low expression of 0.5ug/ml recombinant protein and also Gal-a(1,3)Gal glycosylation of protein....

08 September 2016 8,016 1 View

Why restriction enzyme Sap1 does not cut the circular plasmid ?

06 July 2016 8,177 3 View

Want to express hCG (alfa hCG + beta hCG) using human albumin signal peptide ?

Beta hCG expression is not seen, took of native signal peptide (20aa) of beta-hCG and replaced with human albumin signal peptide (18aa). Still B-hCG expression is not seen in the HEK293 cells. We...

03 April 2016 6,363 2 View

Two hundred USD Award for designing the Plasmid ?

We are working with pDUO2 plasmid and after transfecting it getting low expression of protein. I want to place A2UCOE sequence [HNRPA2B1 and CBX3] before the promoter for better expression, if any...

06 July 2015 3,510 2 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Samples to study circular dichroism (chirality)?

I want to build a low-cost polarimeter to study circular dichroism (chirality). What type of samples can I use? I am looking for samples that can be found outside the laboratory.

01 March 2021 9,101 3 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

Problem with shRNA transfection. Why are only two plates getting contaminated instead of all?

I transfected my LNCaP-WT cells with 3 shRNA plus their NTC two weeks ago and split two puromycin selected cell plates on Friday last week(Feb 26). I checked for GFP in the cells, and they all...

28 February 2021 4,949 3 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

Why is the efficiency of viral mRNA electroporation in PBMC low?

Hello, I have been struggling with the electroporation of PBMC with HIV-I mRNA. Although the quality of the RNA generated is good, and the handling of the cells in meticulous, the frequency of...

27 February 2021 9,233 3 View

Can anyone help with Schistosoma identification?

Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...

25 February 2021 7,760 6 View