Transfected cells died after trypsinization ?

Hi all, I am facing a problem to trypsinize and combine/move the transfected cells into new well . I was planning to pool the transfected cells into a new well to ensure better cell-cell...

11 December 2019 3,243 5 View

Constitutive expression of eGFP in transfected cells?

Hi, I am trying to culture a stable clones using transfected cells. As the clones grow, I noticed the eGFP signal diminishes over time but the cells are still resistant to antibiotics and do not...

11 December 2019 176 14 View

New in lentivirus transduction work?

Hi all, I am new in lentivirus transduction work and have some problem as listed below: 1) Is CMV promoter considered a strong promoter to express the gene I want in the transgenic organism...

09 October 2019 8,592 4 View

Problem with stable cell line generation?

Hi all, I am facing a problem to generate a stable cell line after successful transfection. I added puromycin to kill the untransfected cells, however, eventually all my transfected cells are...

08 September 2019 9,024 2 View

Will miRNA transfection affect cell morphology?

Hi Scientist, I am transfecting an oncogenic miRNA into a breast cancer cell line and based on your experience in the mammalian cell line, will such transfection affect the cell morphology?

06 July 2019 7,378 8 View

Suggestion for good plasmid extraction kit?

Hi, Can anyone recommend a plasmid extraction kit that could produce good plasmid yield (>300ng/uL). The plasmid I am using now is a high copy number plasmid and the bacteria I am using is...

06 July 2019 6,820 3 View

MiRNA primer sequence?

Dear all, I have a miRNA primer sequence left by someone else and I would like to know about the sequence of this primer. Is there any method I can use to sequence and know the sequence of this...

05 June 2019 5,879 7 View

Co-transfection of miRNA mimics and inhibitors?

Hi, Is there any paper which reported the co-transfection of miRNA mimics and inhibitors? Thank you.

05 June 2019 9,712 3 View

Use of fluorescence or luciferase approach in checking transfection efficiency?

Hi all, I would like to seek for your opinions on whether fluorescence approach (GFP) or luciferase approach is better in assessing transfection efficiency / success (after miRNA...

03 April 2019 1,383 6 View

Single plasmid that carries both miRNA and reporter gene like GFP/luciferase?

Hi researcher, I wonder any of you have tried to design a single plasmid that carries both miRNA and reporter gene like GFP / luciferase? I am thinking with such plasmid, I will just need to...

03 April 2019 5,144 7 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How does an antibody have full intact antibody + half antibody?

Hello, I was just wondering how does a antibody have full intact antibody + half antibody? Is it because of the drug conjugation?

28 February 2021 1,577 1 View

How do I choose contrasts in SPM8?

I am learning how to use SPM for PET and PET-MR analysis, but I haven't found any great resources that explain how contrasts work. I have a series of PET images where our hypothesis argues that...

24 February 2021 1,534 2 View

Does anyone have any ideas why drug-resistant malaria is increasing in Southeast Asia even when those drugs are no longer used?

When dealing with bacterial toxins, there are three varieties of microbes that develop in your petri dish: toxic, resistant, and susceptible. Initially, there are only toxic and vulnerable...

21 February 2021 6,084 5 View

What is the most prevalent drug related problem in the developed countries?

Detecting the drug related problems is an important step in the pharmaceutical care plan

21 February 2021 5,421 3 View

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19 February 2021 8,647 3 View

How to improve dissolution of neosome?

I have made neosome from herbal drug. Neosomes are stable. But I face problems in dissolution. I used minimum ratio of 1:1:0.25 ( Drug:span 60: Cholesterol and GMs. Now how can I active better...

17 February 2021 3,584 1 View

How to determine the drug loading and the drug release capacity of a polymer micelle using UV spectroscopy?

Currently, I am working on PLA-PEG copolymer micelle for the drug delivery system. I have seen several papers where some researcher talks to centrifuge the drug-loaded micelle to separate the...

13 February 2021 5,822 7 View

Should the AUC in a concentration-time graph of a subcutaneous implant be roughly the same for poeple?

I have 2 concentration time curves of a subcut drug implant. the first group has a peak around the 50 day mark where as the second group does not. Both groups received the same implant by the same...

10 February 2021 2,305 3 View

How can I add the metal oxide NP's to the cell lines? I have to make some drug and NP conjuhgates. How much concentration to use? Need some help?

Hi everyone. I am working on metal oxides. I need to make some conjugates of drugs and NP. But I am unsure of what concentrations to make. I have read some articles, but they haven't mentioned...

10 February 2021 3,372 2 View