Which rotary evaporater is best for plant extracts?

We want to purchase a rotary evaporater for our lab for evaporating the solvents from plant extracts so can you please suggest me which one is best and easy to handle.

04 May 2018 6,133 11 View

What is best method of extraction from plants for antimicrobial activity and antioxidant activity from plants?

I want to carry out antibacterial activity and antioxidant potential of dry plant powder in polar and non polar solvents .

10 November 2017 8,612 3 View

Can anyone provide me the protocol of sequential extraction method for plant extraction?

I want to know about the sequential extraction by non polar to polar solvents in Soxhlet apparatus?

09 October 2017 5,845 6 View

What is preliminary method for antimicrobial activity of plant extract ?

I want to know particularly the disc diffusion assay and MIC which one to perform at early?

09 October 2017 5,187 4 View

I want to ask should i use different antibiotics for gram positive and gram negative strains?

I am working on antibacterial activity of wild plants of family Asterceae so Iam using 3 gram positive strains and 3 gram negative strains so i want to ask whether i use a single broad spectrum...

09 October 2017 4,964 7 View

How to calculate the fraction metabolized of a drug by an enzyme using clearance(ml/min) values of the metabolite formed?

I am trying to find the fraction metabolized of a drug by CYP and UGT enzymes. I am unable to get the values of fraction metabolized (Fm) directly from the literature. Can we calculate the Fm of a...

21 February 2021 5,379 2 View

How long does it take to design and validate transition state analogue inhibitors?

Hi, I'm asking from the point of view of designing a research plan: How long (approximately) can it take to determine the transition state structure of an enzyme substrate using kinetic isotope...

14 February 2021 2,610 1 View

Kinetics of Enzyme production in Recombinant E Coli?

Hello, I am trying to find kinetic information (such as rate of enzyme production etc.) on the expression of taq polymerase in E-Coli after inserting a recombinant plasmid. Any help would be...

12 February 2021 1,386 3 View

How to do the calculation for super oxide dimutase assay and how to calculate the R squared value in regression equation for catalase assay?

i have the enzymatic antioxidant assay by following the method of Misra and Fridovich, 1972 for super oxide dimutase and Luck, 1974 for catalase assay can any help me how to the calculation for...

11 February 2021 2,241 3 View

CAT assay in microplate?

I'd like to know if anyone can provide me with a protocol for traditional catalase enzymatic assay in a 96 well microplate, for cell line and/or C.elegans spectrophotometric measurements. Thanks!

11 February 2021 7,273 3 View

No title

Hello! I want to determine the activity of my in house Reverse Transcriptase enzyme. For this, I have used Thermo's Enzcheck Reverse Transcriptase assay kit. I used commercial Thermo RT enzyme to...

08 February 2021 7,285 1 View

How define one baker unit(BU) is the amount of hydrogen peroxide catalase ?

07 February 2021 2,006 1 View

Does DNA A-tailing survive after agarose gel electrophoresis and purification?

Hi everyone, I need to clone in pGEM-T vector the result of amplifying a metagenomic library by PCR with a high fidelity polymerase but I only want to clone the fragments of an specific size...

04 February 2021 6,051 8 View

What are some common oxidants used to oxidize iron sulfur clusters in proteins for techniques like EPR?

I have used potassium ferricyanide (which is likely the most common) extensively in the past, but I am curious to know if there are other oxidants that work well. I need to generate the oxidized...

29 January 2021 9,803 4 View

Papain Enzyme Assay...?

Hi all, I would like to know how can I estimate the activity of the enzyme, papain, which is used in reactions as crude latex extract of papaya. Please share some procedures if anybody having...

26 January 2021 569 4 View