Confusion

A mental state characterized by bewilderment, emotional disturbance, lack of clear thinking, and perceptual disorientation. | Review and cite CONFUSION protocol, troubleshooting and other methodology information | Contact experts in CONFUSION to get answers

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Questions related to Confusion

Does a mule has 2N+1 chromosome or 2N-1 chromosome?

Dears, I a bit confused. Does a mule has a 2N+1 chromosome or a 2N-1 chromosome? Best regards, Takele

10 November 2021 4,423 2 View

What is the intrinsic different coherence and entanglement?

I started working on coherence and entanglement. At a point, I became confused between the concepts of entanglement and coherence where an author texted it the same however, they are still...

08 November 2021 920 14 View

Is my meta-analysis based on fixed-effect or random-effect?

Hello! I am creating a meta-analysis based on hazard ratios given for breast cancer incidence in BRCA1/2 carriers. Would this be fixed or random-effects? I am creating a forest plot using RevMan...

06 November 2021 4,587 4 View

Can anyone suggests how to do optical simulation for NEMS/ MEMS structure?

I am quite confused with the multiphysics simulation of NEMS/ MEMS structure for optical or electromagnetics study. I'm using comsol multiphysics 5.5 version, the mechanical simulation results or...

04 November 2021 6,985 2 View

Can I use2 questionnaires to subjects before I do narrative interview to 4 students? Is there any ways to see relationship from 2 questionnaires?

I plan in conducting narrative inquiry on students' self-efficacy (SE) and self-regulated writing strategy (SRWS). I will involve students categorized as 4 high achievers in class. My procedures...

04 November 2021 8,499 4 View

Would you please help me to find a way how to calculate serial dilution in one special microbial protocol?

Hi. 1.Pipette 0.9mlsterile saline (0.9% NaCl w/v) into each of six Eppendorftubes and label them.We recommend making a diagram in your notebook showing the procedure and the meaning of your...

03 November 2021 3,739 1 View

Is it statistically possible to have a indirect effect value more than total effect?

I have done a mediation analysis in my SPSS using the PROCESS macro, and I got these values: Total effect: 2.7302 Direct effect: -0.1157 Indirect effect: 2.8459 If this is statistically possible...

30 October 2021 3,057 4 View

Is the "g" can be taken equal to rpm?

In a company protocol it was written that sample needed to be centrifuged at 14000 g for 10min. We used 14000 rpm for 10 min. I am confused that is g can be equal to rpm?

29 October 2021 972 5 View

How do I calculate CFU? I know the equation but bit confused about the dilation factor. How do I do that?

I have calculated microbial colonies into the colony-forming unit but found a higher colony in the last dilation.

18 October 2021 3,025 2 View

Hi, could anyone plz help me out that EKC hypothesis testing; do the coefficient values of GDP/GDPsq values matter or just its signs matter?

I am confused about it that during testing EKC, the studied variable of DGP and its square values are having very small coefficient (0.01 and 0.00) having positive and negative sign respectively...

09 October 2021 5,202 2 View

Should we replenish the PBS every day with a fresh PBS solution during degradation test of an implant?

I am performing an Immersion test for a biomedical implant for 7 days under PBS solution. But I am in a confusion that should I change the PBS solution every day during the 7-day test for better...

08 October 2021 6,963 3 View

How to measure cfDNA in plasma with Sytox Green?

Hi all， I read in the literature that when mesure plasma cfDNA with Sytox Green, plasma was diluted with PBS containing 01%BSA. Is this a necessary step? What is the purpose of adding 0.1%BSA....

04 October 2021 7,232 0 View

What is the procedure and reagents needed to measure glucose levels using glucose oxidase from Sigma?

I am trying to measure glucose levels and in the remote past, I used glucose oxidase method. Unfortunately I lost all my lab books and I cannot recall exactly the procedure now. Worse, it seems...

29 September 2021 934 3 View

Why am I not detecting tetracosane (C24) peak in GCMS?

I have a 1 mg/mL stock of C24 in hexane. I added 50 uL of this to Organic Acids extract before drying down and derivatizing. I then add 100 uL BSTFA and 1 uL is injected (total 0.5 ug). Relevant...

28 September 2021 4,326 4 View

(SAP-or-ETABS) Are the results of Etabs acceptable for nonlinear dynamic analysis?

Hello Recently I have heard that just SAP should be used for dynamic analysis of building and the results of ETABS are not valid for nonlinear dynamic analysis. I have done nonlinear dynamic...

28 September 2021 5,012 5 View

How do I read my loadings?

I am confused with the readings of my loadings, as they are so small and so close to each other. I cannot identify the components, what could be the possible solution?

24 September 2021 3,344 1 View

From two variables of correlational study can 1 variable itself become population ?

For example I want to corelate a variable with any disease can I take the diseased individuals as my sample or this will change my study design?

22 September 2021 7,619 9 View

What is the best way to detect and quantify micro and nanoplastics in a sample?

I am working on detecting of NP and MP from WWTP and I am still confused about the best way to detect them, and what is the difference between FTIR and micro-FTIR spectroscopy ??

21 September 2021 8,054 4 View

Is there any mathematical model or empirical formula can describe the relationship temperature and the rate of amide reaction?

Hi~ There is an amide reaction (-COOH + -NH2 to -N-C=O) at the interface of molten PA6 and silane coupling agent film. How to evaluate the influence of temperature on reaction rate...

18 September 2021 8,697 3 View

Can we check for the simultaneous relationship between income inequality and educational inequality using two stage least squares (2sls) method?

I want to examine the simultaneous relationship between the two using microeconomic (household) data. I am using consumption as a proxy variable for income. I am confused about the modelling of it.

15 September 2021 6,262 13 View

Can someone help me with the differences between RT-PCR, qPCR & RT-qPCR?

This is so confusing especially that standard PCR is like RT-PCR in recent studies. Please Compile this answer in a table format. I made my own but it still not impressive.

11 September 2021 5,663 2 View

How long should I starve my cells?

Hi all, I am doing some splicing-related events of different tumour cells and it is supposed to starve cells before treating cells. One confusion is that how long should I starve the cells? Can I...

09 September 2021 8,056 5 View

How to calculate True Negative in Mask-RCNN model ?

I need to calculate the accuracy, precision, recall, specificity, and F1 score for my Mask-RCNN model. Hence I hope to calculate the confusion matrix to the whole dataset first to get the TP, FP,...

06 September 2021 4,918 8 View

How could I model the material of the crack area for DCB (mode-1) test in ABAQUS?

Hello everyone, I am trying to model a DCB (mode-1) test for a carbon-fiber composite sample. However, I am a bit confused since I am very new to modelling and ABAQUS so I am looking for some...

03 September 2021 1,437 4 View

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