How Bacteria changes the pH of nutrient broth media?

Bacteria can change the pH of media by producing EPS. In my work, initial pH of nutrient broth is 6.5 and after the bacterial growth pH increases about 7.5. Which type of reactions can involved in...

01 February 2019 7,393 5 View

Is siderite protective in nature for metals?

If mild steel exopsed to a solution for 3 months. after the 3 months exposure siderite is present in corrosion products. I observe that in this case corrosion is more in comparision of control. I...

10 November 2017 6,173 2 View

Why pitting occur in distilled water and deionized water when i perform cyclic polarization and anodic polarization?

I am facing a problem when i perform anodic and cyclic polarization in distilled and deionized water for SS304L. the pH of distilled water and deionized water is 6.3 to 6.5. and when i perform all...

09 October 2017 9,644 2 View

What are the effects of sulfites on corrosion?

06 July 2017 7,716 1 View

What is the difference between impact factor and impact index?

Please tell me what is the difference between impact index and impact factor? Suppose If any journal have impact index 4.3 what does it means?

09 October 2016 6,010 1 View

Bacterial growth by spectrophotometer

Why we take the optical density of bacteria at 600 nm generally. what is the basic concept behind it?

03 April 2016 1,557 6 View

Is Pseudomona aeruginosa an Iron oxidizing bacteria? how can i confirm that the bacterial isolates are iron oxidizing?

Is Pseudomona aeruginosa an Iron oxidizing bacteria? how can i confirm that the bacterial isolates are iron oxidizing?

01 February 2016 8,978 3 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

How to best wash a 96-well plate containing microplastic?

I am planning my protocol for my dissertation for an experiment quantifying bacterial (E. coli) biofilm formation on micro-plastic (5mm discs of polyethylene bags) by conducting a crystal violet...

23 February 2021 7,868 2 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

Can I follow Researchers from Teaching and testing areas?

I want Researchers from Educational Measurement and Evaluation, relating to teaching, learning , academic performance and test validation

18 February 2021 4,757 13 View

I want to simulate a system containing protein and heavy metals; which force field is most reliable for this purpose?

The protein I want to simulate has multiple heavy metals. I wanted to know which force-field I should use with GROMACS to achieve this. Most importantly, do the latest updates in the force-field...

16 February 2021 2,420 1 View