Why is the GFP expressed from my viral vector so weak?

I made a plant viral vector expressing GFP. I got this GFP from a previously made construct (a viral vector of the same type) which I PCR amplified the GFP from, and used restriction enzyme...

19 October 2020 2,863 3 View

Nicotiana benthamiana growth chamber conditions?

UPDATE: SEE MY LAST COMMENT FOR SOLUTION! I'm trying to figure out the best conditions to grow my N. benthamiana plants in a growth chamber. I will be Agro infiltrating them later, around 4...

11 November 2019 6,018 10 View

How to use biotinylated primary antibody; streptavidin APC secondary antibody in compensation beads to get positive population?

Hello, I am currently setting up my compensation matrix in flow cytometry and to do this I am using compensation beads (versacomp antibody capture beads) to get negative and positive population...

13 February 2019 2,224 4 View

How to measure complement receptor 1 per erythrocyte using flow cytometry?

Hello, I am currently looking for a protocol on how to quantitate complement receptor 1 molecules PER red blood cell using flow cytometry. I am aware that in order to do this, a standard curve has...

05 January 2019 5,345 3 View

Plant histology stains?

Hello, I'm looking for plant histology methods for use on traditional microscopes (we have a UV lamp) instead of confocal laser (too expensive for our lab to use) that would allow me to...

18 November 2018 7,647 1 View

Has anyone succesfully expressed Gq DREADDS in rats?

My lab is interested in using DREADDS (Gq) targeting excitatory neurons in rats, specifically Long Evans. Unfortunately, we have not been able to successfully express Gq in cell culture (mice) or...

22 June 2016 8,233 1 View

Can anyone tell me how to construct a taxonomic tree of all genera of proteobacteria?

I don't need to go to the species level, just the genus level, and I would like to make a hierarchal taxonomic tree to show from phylum (proteobacteria) down to each genus. My plan is to then...

24 July 2015 5,174 9 View

What are ict skills of preschool teachers?

I'm planning to do research on ict skills of preschool teachers. I am wondering what are the ict skills of preschool teachers.

08 February 2015 1,549 14 View

Can anyone share any fellowships, grants, or funding sources you know of for plant biology graduate students?

I'm trying to compile a list of funding opportunities for plant biology graduate students (for me, because I'm looking for funding, but also as a resource to share with others in the future). Does...

01 January 1970 7,116 3 View

Is it possible to have only two options - agree or disagree for an attitude survey for kindergarten pupils?

I am developing an a survey questionnaire on kindergarten pupils' attitude towards money. i am thinking if it is possible for the survey to have only two options so as not to confuse respondents...

01 January 1970 887 4 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

How do I increase the yield of my PCR product?

Hello, We would like to increase the yield of our PCR product. We are running a series of PCR reactions that is targeting ~1.1kb sequence. We begin each reaction with ~400pg of template DNA...

02 March 2021 4,029 3 View

No title

02 March 2021 3,060 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

Why are my bands weird in this Agarose gel?

Can someone please give me some possible things that could go wrong? Here is my recipe: 0.5g Agarose 50 mL of TAE 1x 1 uL ethyl bromide. Gel was run at 100V for 1 hour. The buffer used is also TAE.

01 March 2021 9,952 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

No title

28 February 2021 9,936 2 View