Call for reviewers & manuscripts?

Dear Professors and Researchers Peace be upon all of you. It is a great pleasure to announce that The Egyptian Journal of Community Medicine is no available at this link. All publications are...

29 December 2019 5,875 1 View

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hello every one I want to synthesis the CuInSexS2-x QDs and as I am elementary in chemistry, I want to know that how to determine the sub x in such structure in practice (mean in the synthesis of...

24 November 2019 2,100 1 View

Does glycidol react with OH or carboxylic group in citric acid? which one has higher tendency to react with epoxide ring?

As you know, citric acid has three carboxylic acids with pka: 3.13, 4.76, and 6.4 as well as a hydroxyl group with pka 11.6 to 14.5 (depending on the reference). On the other hand, OH has a potent...

10 November 2019 9,900 2 View

How to chose semiconductor material for synthesis of colloidal QD?

Hello I want to know, how to chose appropriate semiconductor material for QD synthesis? it is base on bandgap? or something else? how scientists know that the I-III-VI elements (for example) are...

07 November 2019 662 2 View

ECL versus CLIA?

Hi everybody. I am interested to know what is different between: electrochemiluminescence (ECL) method and chemiluminescent immunoassay (CLIA) method ? TNX... Kambbiz

16 December 2018 6,418 3 View

Large chi value?

In a study on a large sample size, while testing the association between 2 variables using chi square with DF=1 Chi square value was very high (more than 400) Is this acceptable? How to interpret...

10 November 2018 4,865 3 View

How to enter a varibale measured in different levels into SPSS?

I have a data set one of the variables is the serum level of specific antibody. Measured in quantitatively. Some levels are expressed as undetected, 1000. How to enter this...

06 July 2018 3,960 2 View

Is there any compound/method to promote chlorophyll stability (color changing) under ethylene gas treatment?

I need a material to add to chlorophyll directly to prolong its color stability.

21 April 2018 9,071 1 View

How to calculate sample size for testing the validity of a new screening test in hospital setting?

How to calculate sample size for testing the validity of a new screening test in hospital setting?

03 April 2018 1,761 0 View

How can I carry out convergent or discriminant validity for a questionnaire ?

16 November 2016 9,341 4 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 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

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 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