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Pre-diffusion of agar plates seeded with bacteria and inoculated disks for disk diffusion assay.

01 February 2020 503 12 View

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01 February 2020 5,339 3 View

Which is a better disinfectant pure acetone or 70% isopropyl alcohol?

Which one kills bacteria & fungi faster & more effectively?

01 February 2020 1,299 5 View

Which type of petri dishes are more suitable for growing bacteria & for antimicrobial susceptibility testing? TC treated or non-treated?

TC = Tissue-Culture treated

01 February 2020 3,245 6 View

How to prepare a 50% DMSO plant extract?

How to prepare 50% DMSO from 100% DMSO? What is the solution should I use to dilute it? I have water and chloroform. The plant material is initially extracted in chloroform. Need to...

11 December 2019 9,613 8 View

How long should be a dried plant material extracted in chloroform & hexane be stable?

11 December 2019 9,819 10 View

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09 October 2019 5,940 7 View

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07 August 2019 5,810 21 View

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07 August 2019 3,660 6 View

Is there a good chance of increasing IELTS band score for writing & speaking from 5.5 to 6 after a remark?

What are the chances of increasing IELTS band score for writing & speaking by 0.5 after a remark (EOR)?

04 May 2019 6,877 12 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

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

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02 March 2021 3,060 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View