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

What kind of food stuff increase the potentiality of human brain?

There are different kinds of food stuffs which we intake daily according to our requirements. Carbohydrate, protein, fat, mineral, vitamin, water are mainly working for the growth and development...

01 March 2021 831 2 View

What is the best universal primer for genus bacterial identification?

I would like to ask whether anybody can offer the best universal primer for genus bacterial identification??

23 January 2021 9,017 3 View

In this winter, the trend of death and infection rate due to covid-19 in Bangladesh is much lower than USA or other 1st world countires, why?

According to the opinions of experts the casualties caused by covid-19 would suppose to be increased in winter. Similar trend is seen in the case of USA and other 1st world countries....

14 January 2021 2,146 2 View

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12 January 2021 8,485 1 View

What is the mechanism of fixing nitrogen by root nodules of leguminous crops?

Generally, nodules are formed in the roots of leguminous crops. These nodules can fix nitrogen from the atmosphere. However, what is the mechanism to fix nitrogen from the atmosphere?

04 January 2021 7,870 17 View

Apparently it is seen that the severity of covid-19 in Bangladesh is lighter than the 1st world countries, what is the probable reason behind this?

Bangladesh is also suffering from covid-19 like other countries from the beginning of its attack. Though it is a third world country but the infection and casualties rate attacked by covid -19 are...

22 December 2020 1,047 11 View

How nodules are formed in the roots of leguminous crops?

What is the mechanism of formation of nodule in the roots of leguminous crop with the help of nitrogen fixing bacteria?

22 December 2020 5,906 7 View

What is the best journal for my paper?

Hi there, I am searching for the best journal suited to my paper. On the website of publishers like Springer, Elsevier,... we can use the advance search option but that is only limited to that...

17 December 2020 210 4 View

Which will be more effective to expose anyone's potentiality; oral presentation in an international conference or publish the findings in a journal?

Both oral presentation in an international conference and publishing the research findings in an international journal are credential for any researcher. However, which one is more preferable or...

03 December 2020 447 3 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 View

To date, according to health authorities, 30% of the population's diseases are initiated by drinking water pollution. Do you know this problem?

The main studies are as follows: * regular and timely receipt of information about the state of the environment using automated systems (stationary and mobile); * operational analysis of the...

23 February 2021 912 5 View