I am working on the manufacturing of berberine citrate in my lab. I am unable to find out the actual technical properties of berberine citrate including its solubility, assay and other information.
I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...
02 March 2021 2,735 2 View
We have thin roots of from 1 year old different species of plants. We are looking into anatomical details of the roots. What's the best method to preserve and process the roots once they are...
23 February 2021 1,898 1 View
I'm looking to do a sliding wear (plate-on-plate) simulation of GFRP composite plates with Archard Wear Model. Any hints or example steps are appreciated.
17 February 2021 1,447 2 View
There are numerous roots in this tap root system. Kindly suggest or share a research paper where I can clarify the doubts as to which root should be chosen for sectioning and for further root...
14 February 2021 1,816 3 View
We have a AAA class Newport solar simulator. We changed the Xenon Arc Lamp recently (XBO450W, Make:OSRAM) as the lifetime got over. However, the intensity is coming to be only 0.2 sun instead of 1...
14 February 2021 9,998 3 View
I am searching for tools to construct molecular beacons which shall be complementary to a given sequence. I don't want to design any primers. I found that UNAfold is one such tool which I could...
02 February 2021 9,065 5 View
I am synthesizing 7 amino acid long peptide sequence with CTC resin, 50oC coupling for 10 min. On cleavage (TFA/TIPS/Water 95:2.5:2.5) I got peptide with good yield. However, It has 68 Da more...
30 January 2021 8,483 3 View
Hello everyone, I am trying to prepare curvature map in ArcGIS 10.4, using spatial analyst tool. I am using 10 m CartoDem (projected in UTM 44N). I am getting very different value, curvature...
12 January 2021 504 4 View
I want to publish a case report regarding jejunal diverticula
02 January 2021 7,630 5 View
I am trying to maintain two different high DC voltages of same polarity (either positive or negative) between two parallel electrodes separated by 500 um inside the vacuum. However, what I found...
21 December 2020 1,735 3 View
Descriptions and simple method of alkaloid extraction
01 January 2021 5,830 6 View
I have found an old pharmaceutical research from 1833 in which emetic power of Cucumis melo roots was confirmed. I cannot find data about chemical constituents of the Cucumis melo roots. Their...
30 October 2020 3,633 3 View
Can someone suggest a simple calorimetric assay protocol for determination of total alkaloid content of plant extract?
10 September 2020 8,835 3 View
my target to isolate alkaloids from plant leaves, as phytochemistry of plant reported for some alkaloid derivatives , so please guide me.
01 August 2020 7,376 15 View
Herbarium collections are increasingly becoming enormous resource for DNA studies; but for many species in certain families, there is difficulty in obtaining amplifiable DNA. I would like to...
25 March 2020 4,469 11 View
Hello everyone, The crud extracts of peganum harmala seeds contains alkaloids and polyphenolic compounds and i want to do the HPLC , LC-MS or RMN without extracting them, can you give me the...
06 March 2020 6,849 4 View
Any researcher working on the alkaloids(Trichodesmine, Junceine, Riddelline, Senecionine, Seneciphylline, Lycopsamine and Intermidine) in india. Need help regarding this.
03 March 2020 1,060 4 View
Ultrasonic separation is a very simple and effective method for isolating the target component from a mixture that affects the extraction rate. However, depending on the strength, there is a...
02 March 2020 1,089 1 View
Many of the targets for codeine samples, whether pharmaceutical or non-pharmaceutical, contain lactose as a diluent. There is a problem that I care about now. It is the inhibitory effect of...
16 February 2020 9,852 5 View
Hello! I am working on the extraction of alkaloids from a plant. I prepared a degreased hydroalcoholic extract, to which I performed an acid extraction and then basified. This last basic fraction...
05 February 2020 7,547 4 View