Open Access Journal Research Center, a predatory publisher?

Dear Peers, I recently received an invitation as a guest editor from a journal under Open Access Journal Research Center (OAJRC). The OAJRC is not listed in the predatory publishers, but the...

09 November 2020 1,575 7 View

How to avoid particle aggregation when using Laser Direct Infrared (LDIR) to analyze microplastics?

I am trying to use LDIR system to identify microplastics of different types. However, significant aggregation of microplastics was observed during analysis. Especially for particles with a...

17 September 2020 1,532 1 View

Are there any platform to publish analysis protocol for human factors assessment?

I only find a BMC journal "Trials" to publish " randomized controlled trials in health ". https://trialsjournal.biomedcentral.com/ Are there any platform to publish general protocol for...

02 July 2020 4,691 3 View

DNA absorbance test on SpectraMax Microplate Reader, why A260/A280 false?

Hi guys. Here is the problem: Using an SpectraMax Microplate Reader for DNA absorbance test, there is one problem that the A260/A280 is always wrong, sometimes half plate wrong and sometime,...

29 March 2020 5,972 3 View

How can I observe my bacterial pellet after a centrifugation of a low concentration suspension ?

Hello, I'm currently working on DNA extraction from E. coli suspended in PBS. I'm working with concentrations ranging from 102 CFU/mL to 105 CFU/mL (and 108 CFU/mL as a positive control) and I...

02 March 2020 7,522 14 View

What progresses have been made in improving the assessment of motivation for a career with high income, high pressure, high risk and high expertise?

Hi all, For example (just an example), it will be a huge waste of time and money if a Ph.D candidate in physics at MIT becomes bored with academia or is scared away and withdraws. Then how can we...

07 November 2019 815 3 View

Control chart for kinematic viscosity?

I am interested to hear from people's opinion from the oil industry, or any company who performs QC check with kinematic viscosity. We got a CANNON kinematic viscometer in lab. It seems to be a...

27 October 2019 8,369 3 View

How can i implement Thomas-middlecoff method in matlab?

Hello everyone, I wonder if anyone can give me some advise on the matlab code to generate a mesh by solving the elliptic equation. Its some basic knowledge in the field of CFD, with which i am...

18 December 2018 6,181 1 View

How do I compare two time series volatility is similar or not?

11 December 2018 9,566 2 View

Can anyone offer me a booklist about learning algebraic geometry?

such as the book written by Hartshorn

07 September 2018 8,968 11 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

Can someone suggest a way to prepare slides to observe under confocal microscope for observing fluorescent tagged proteins??

I am growing the cells on coverslips and transfecting the fluorescent tagged protein directly on them. Then i want to observe these cells under confocal microscope. Currently i am just using...

01 March 2021 6,142 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 2 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

Why does intensity drops as concentration increases?

Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?

28 February 2021 3,653 4 View

B-mercaptoethanol (BME) protocol?

Hi everybody, I have been running a multiplex IHC which allow me to stain the same tissue with different markers (Primary Ab + Secondary conjugated Ab) (AF487, AF555, AF647). Since I would like to...

27 February 2021 5,028 2 View