Our lab is exploring new ways to analyze tattoo ink composition. Anyone here has seen any interesting literature or industry standards on tattoo ink composition? Thanks.
Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...
02 March 2021 4,569 4 View
I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...
24 February 2021 363 3 View
Are there any types of cylindrical cell culture inserts that are designed to confine cell seeding area? Say, if I'm using a 12 well plate (3.5 cm^2/well), but only want to seed cells in the middle...
22 February 2021 7,127 4 View
Hi there, In order to perform molecule dynamic simulation on gas adsorption on substrate materials, NVT or NPT ensemble is preferable ? Thanks!
08 February 2021 173 1 View
The available water (surface and groundwater) is highly saline (6-20 dS/m). It is required to produce crop (moderately saline tolerant, up to 6 dS/m). Is there any low-cost filtering system (or...
18 January 2021 5,015 3 View
Hi all, I just want to know that, if we keep the siRNA in a -20 degree freezer (as mentioned in the product detail), what will be the average life of the siRNA? Can we store for more than one...
10 January 2021 6,346 6 View
Dear Research Gate Members, I have a query regarding comparing the two groups on the basis of the regression models For Instance: I have two sector companies i.e. Public Sector and Private...
09 January 2021 9,645 8 View
Hi, I got the following error message while running parallelized simulations with OpenMP: OpenMP threads have been requested with cut-off scheme Group, but these are only supported with cut-off...
02 January 2021 4,564 5 View
I have conducted a systematic review and one of the reviewers had mentioned about missing out on some good studies from the sample. on the surface the study is on a different topic but after an...
21 December 2020 573 4 View
I am working with HepG2 cells, and I want to pre-coat my flask/plate to keep the cells in single layer. Can I use gelatin to coat the dish or I need to use collagen? I was wondering if any of you...
15 December 2020 5,599 3 View
Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...
24 February 2021 9,902 5 View
I want to measure thickness of screen printed graphene ink on paper substrate. Can anyone suggest any accurate and feasible method to measure it. I tried profilometry (stylus & optical) but...
11 January 2021 6,179 6 View
Hello I've recently reached the point in my work when I will need to conduct some electrochemical measurements, but unfortunately I have to start everything from scratch, because in our lab no one...
01 December 2020 3,447 3 View
I am having trouble printing with the Dimatix 2831 inkjet printer. The nozzles seem to be pulsating but they are not jetting, the droplets just seem to be hanging from the nozzles. What could be...
23 November 2020 9,136 6 View
Both are available in powder form need guidance for preparation of ink.
27 July 2020 2,564 3 View
I conducted a TLC experiment on ink samples using 5 different solvent systems. 2 of the systems produced TLC plates where the solvent front moved up the plate but the samples were left on the...
07 March 2020 5,753 4 View
We ard injecting an expensive chemical to pre frontal cortex of rat brain via sterotaxis guided by coordinates from brain atlas. We need to check if the injection was successful by a trial with...
26 February 2020 8,528 4 View
I am currently trying to characterize the interactions of different Ionomers used for catalyst inks in different membrane-based electrochemical systems. To study the effect of different solvents...
01 February 2020 9,272 2 View
I have done CV using commercial Pt/C (20%) in 0.1 M KOH at room temperature in N2 atmosphere, scan rate 0.5 V/S. For ink preparation I used 6 mg of catalyst 1 ml ethanol and nation (950 microliter...
19 November 2019 5,401 4 View
Hi, I am currently struggling to achieve a uniform thin film coating of Zinc oxide nano particles for use in QD-LED device. I have many papers detailing similar steps towards achieving the...
09 October 2019 7,892 6 View