Ammonium stable at alkaline pH?

I have this strange behaviour when performing electrochemical N2 reduction. I often encounter NH4+ dissolved in aqueous, alkaline electrolyte (pH=13). How can this be possible? I did some control...

04 August 2020 9,078 3 View

What is the ideal sample size for a Between-Subjects factorial design?

Hi, I was wondering if there was any recommended literature that determines the 'ideal' or 'preferred' sample size for each treatment within a between-subjects factorial design. Thank you.

18 April 2020 8,328 5 View

Is it possible for cultured bacteria that are in their stationary phase to go back into their log-phase after addition of depleted source ?

Hello all, We have a discussion in our lab and would love your input: Is it possible for cultured bacteria that are in, or approaching, their stationary phase (in our case OD 5 - 6) to go back...

09 December 2019 1,156 8 View

How to transfer organisms from liquid nitrogen to the critical point dryer?

Hello all, I'm trying to look at how a certain kind of beetle grips itself to the leaf it's on. I'm looking to flash freeze the beetle and the leaf by using liquid nitrogen, however, to transfer...

17 June 2019 3,687 2 View

What is the percentage of full length clones in a good cDNA library?

We have made a cDNA library from a single cell organism using the CloneMiner II kit from Thermo and the amount of full length clones seems to be between 40 and 50% Is this a reasonable number or...

14 August 2016 9,341 3 View

Calculating the X-ray penetration dept, but what is the Mass Attenuation Coefficients (MAC) of Iodine?

18 July 2016 8,724 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

Did anyone ever try using pLVX-TetOne Plasmid with a copGFP as a selection marker instead of Puromycin?

When using a lentiviral vector for inducible expression of genes using the Tet-On system. In the literature, I saw a widely used of pLVX-TetOne-Puro Plasmid, is there a reason why people prefer to...

25 February 2021 1,011 3 View

Does anyone have a sequence for the human CD34 promoter?

I'm looking for the human CD34 promoter sequence to engineer into a vector construct. Can anyone recommend a good source for this sequence? Thanks very much, Laura

25 February 2021 8,205 1 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How to use protein A G beads to purify antibody?

Secretory universal influenza antibody CR9114 were successfully expressed by adenovirus vector ,then we used protein A G beads purify CR9114.But the molecular weight of the purified antibody under...

22 February 2021 4,318 2 View

Has anyone used deep learning for 2D/3D REGISTRATION ?

I am a Master student in Biomedical (Bio-electrical) Engineering and work on " 2D-3D registration ( CT and X-Ray) as my thesis. I created DRR from CT and want use CNN( Convolutional Neural...

19 February 2021 6,354 3 View

Despite single-cell RNA, how can I characterize a new cell subtype/phenotype?

A new cell subtype was found out only during regeneration phases after a cuprizone-induced demyelination model. How can I characterize this cell? It is important to highlight that was already...

13 February 2021 1,245 1 View