Bhavesh Tiwari

23 Questions 124 Answers 0 Followers

Questions related from Bhavesh Tiwari

How to separate D-Arabinose and L-Arabinose using HPLC?

Want to determine content of D-Arabinose in L-Arabinose using HPLC.

04 April 2019 8,257 4 View

Why the LOD and LOQ values for determining the sensitivity of the analytical methods are considered as response of 3 and 10 times to the noise?

In HPLC why we do not use other ratios? For example, in case of LOQ, why not the ratio of 5, 6, 7, 8, 9 considered?

01 January 2017 4,632 7 View

Does the order matter for an author in a publication and to what extent?

What if the appropriate order is not followed in any institution?

10 October 2015 4,351 5 View

What is the impact of immunostimulatory and immunosuppressive drugs on the following parameters?

Body weight of animals (in vivo study) Thymus and spleen weight Blood cells (WBC's) Delayed Type hypersensitivity Haemagglutination titre NO production in macrophages Oxidative burst Plaque...

08 August 2014 2,324 12 View

Why is the approach towards science declining amongst students?

I have been teaching to students since 10-12 years and have observed this being happening amongst the students who opt commerce rather science. Though they have got good percentages.

08 August 2014 1,392 4 View

Will you consider food as medicine?

Kindly add your valuable thoughts on it with possible reasons.

08 August 2014 4,910 3 View

What is your opinion about research on plant of the same genus and species available in different nations?

If plant A is available in two different geographical locations (say nations B and C) and some researcher (from nation B) worked and reported antibacterial activity of the plant,Whether a...

08 August 2014 2,391 5 View

How you would differentiate discovery, invention and innovation in a scientific way?

Kindly explain.

08 August 2014 4,358 2 View

How does citation to an article enhances the quality and efficiency of future research for a particular researcher whose article has been cited?

It is scientifically must to cite the articles which we refer during the process of conduct of research. What impact such citations create in the scientific life of that researcher? I am talking...

08 August 2014 2,135 4 View

What will be the exact role of herbal/natural drugs in the management of life threatening disease Tuberculosis in the forthcoming years?

As there is so much research going on efficacy of natural/herbal drugs in the management of tuberculosis and simultaneously there is emergence of MDR and XDR strains of this bacteria.

07 July 2014 8,061 11 View

How much descriptive legend or caption to figures or tables should be?

With respect to Scientific paper or thesis.

07 July 2014 4,299 0 View

Which part of a medicinal plant should be selected for research?

I am working on a plant (shrub) which has some biological activity traditionally claimed for its roots. As uprooting the plant is scientifically and ethnically incorrect, then what if I start...

07 July 2014 3,640 7 View

How do you justify the use of plants randomly selected in research?

It is generally believed that the plant used for research should have some ethnopharmacological basis. Then how it should be justified to use a randomly selected plant for research? The plant was...

07 July 2014 7,837 19 View

Will random selection or ethnopharmacological basis be convenient to start research on medicinal plants?

Could you kindly elaborate on both the aspects of plant selection during research? Ethhnopharmacological basis or random selection?

07 July 2014 251 15 View

What are the differences between thesis and a research paper?

I would like to know about the possible differences in describing the content (materials and methods, discussion and conclusion, etc.). How one should justify the thesis and research paper in...

07 July 2014 4,325 5 View

What are the IC50 value of ascorbic acid in different antioxidant assays?

The IC50 value of ascorbic acid reported in research papers differs significantly. I have used DPPH assay, galivonoxyl free radical scavenging assay and ferric ion scavenging assay for evaluating...

07 July 2014 2,498 4 View

What is it meant by standardized plant extracts?

Kindly ponder your valuable thoughts over the term standardized plant extracts. Now a days this is in great demand as a commercial point of view too.

07 July 2014 1,695 3 View

Why isolate phytochemical constituents if they may show synergy in the efficacy?

Why to go for isolation of phytochemical constituents when we know that these components act synergistically to show the enhanced efficacy?

07 July 2014 286 25 View

Will HPTLC or HPLC be convenient for quantitation of a natural drug from unknown plant samples? What will be their advantages or disadvantages?

I have found HPTLC more difficult and inaccurate for estimation of markers form plant based drugs. Kindly suggest.

07 July 2014 8,458 9 View

What is the difference between the mechanism of action of levamisole and leflunomide?

In the search of some immunomodulatory plant based drugs during a preclinical study involving the immunosuppression by cyclophosphamide followed by treatment of the diseased condition with...

07 July 2013 9,481 2 View

Which are the cell lines used to evaluate cytotoxicity of an extract from herbal drug?

Cytotoxicity of drugs is carried out in cell lines.

06 June 2013 9,892 11 View

Is log conversion of data sets a useful option in linearity study of method validation?

Data set is following exponential pattern instead of showing linear response. Regression analysis is to be carried out with the data set.

04 April 2013 9,777 5 View

What is the method of extraction and isolation of terpenoids especially lupeol?

I want to isolate terpenoid rich fraction from plant based matrices.

04 April 2013 5,300 7 View