What is the LD50 of Melissa officinalis?

10 November 2018 7,213 0 View

How to publish a Book?

How to publish a book in a publishing house such as Dunod, Masson or willy ...?

08 September 2018 6,913 0 View

Hello. I have a problem. It's been a while since I can no longer follow anyone??

Hello. I have a problem. It's been a while since I can no longer follow anyone. Whenever you press the "follow" icon, a red banner appears where this writing "You've reached your limit of...

10 November 2017 5,992 6 View

Centrifugation between the number of Revolutions (rmp) and time??

Centrifugation between the number of laps and time?? The number of sessions per second can be compensated. Or the speed of the rotation. The duration of the centrifuge. I mean, could we double the...

09 October 2017 7,852 4 View

What is the difference between the cytosol and the s9 fraction?

-To evaluate a biochemical or enzymatical parameters in tissue take the cell cytosol of these tissue. But according to research: after differential centrifugation there are a lot of cytosoliques...

04 May 2017 972 2 View

What is the optimal concentration of formaldehyde for the realization of good histological study of the full brain (brain completely) of rats ?

The objectif of this histological study is the comparison between the different regions of brain in rats. Questions: - What is the optimal concentration of formaldehyde for the realization of good...

03 April 2017 4,740 8 View

No title

Which drugs and chemicals have been reported to cause false positive urine immunoassay screen results for PCP?

01 January 1970 535 0 View

What is "alternative oxidase"?. Is that there in humans or only in plants?

Alternative oxidase (AOX): The alternative oxidase (AOX) is an enzyme that forms part of the electron transport chain in mitochondria of different organisms. Proteins homologous to the...

01 January 1970 5,233 4 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 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

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 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

Can someone suggest a way to prepare slides to observe under confocal microscope for observing fluorescent tagged proteins??

I am growing the cells on coverslips and transfecting the fluorescent tagged protein directly on them. Then i want to observe these cells under confocal microscope. Currently i am just using...

01 March 2021 6,142 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 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