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20 December 2020 7,316 8 View

How do Trichogramma parasitoids find their hosts?

I am planing an experiment to investigate the dispersion ability of Trichogramma dendrolimi under semi-field conditions. As far as I know Trichogramma uses kairomones for host finding but are...

29 June 2020 4,262 1 View

Is r-square=0.41 adequate to explain the amount of variance of the dependent variable in a regression model?

Provided that my model is well-fit and correctly classifies 77% of the cases with sensitivity, specificity, positive predictive value, and negative predictive value of 65%, 58%, 61%, and 62%...

01 December 2019 9,715 3 View

Where does the rationale on using AQL 2.5 and 4.0 standards come from?

I'm currently dealing with really large # of samples and want to set my AQL. So far, I've only seen these two as common standards for major and minor nonconformities, respectively. May I ask if...

19 August 2019 4,037 3 View

DNA Concentration and Yield?

I am trying to verify DNA concentrations from a spectrophotometer, and then calculate yield. I took 2uL of DNA+Buffer solution (total sample volume = 100 uL) and added that to 98uL of water to...

28 February 2018 156 12 View

What is the most accurate method to measure yeast MnSOD?

I need to measure the MnSOD enzyme activity in yeast mitochondria. I know that that the IMS contains some Cu/Zn isozyme but I am interested in the MnSOD (which is in the mit. matrix). I have not...

12 September 2016 4,168 2 View

Negative side of social support - parents of children with difficulties

Hi everyone, I am interested to find articles that talk about negative effect that support might have on a parent with developmentally chalenged child (e.g. giving advice when not asked for,...

01 January 1970 709 6 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

No title

02 March 2021 3,060 3 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

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 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

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 View