Can we solate viable cells from frozen xenograft tissues?

I am planning to isolate cells from frozen xenograft tissues (stored in liquid nitrogen). The tissues are stored in 10% DMSO, 30%FBS and 60% RPMI with Penn/Strep. These tissues were frozen with a...

14 December 2020 3,910 1 View

Hello Everyone, Can anyone help me in the transfection procedure of plasmid into chicken spermatozoa by electroporation?

Hello everyone, I am doing an experiment in which, the plan of work is to electroporate a clone (plasmid form) into chicken spermatozoa, which will be used further for artificial insemination....

07 September 2020 7,855 2 View

CG relaxation with B3LYP in VASP?

I am trying to CG relax a amorphous GeSe system with B3LYP and single K-point (gamma). Even though I have a 250 atom model, the calculations seem to be extremely slow. Is there a way to speed up...

23 August 2020 8,848 4 View

Can I use XBridge C18 ( 3x150mm, 3.5 um) column in a Aquity UPLC system for method development?

I have a UPLC system and XBridge C18 ( 3x150mm, 3.5 um). I am running short of time and cant procure a UPLC compatible column for the time being.

15 December 2019 8,433 12 View

Can anybody share links of dorsal hand vein images data set to download?

I need a data set of dorsal hand vein images for experimental purpose.

07 October 2019 1,438 1 View

How to dissolve PtCl2 in water?

HI, I am finding difficulty with the solubility of Platinum (II) chloride. I wanted to prepare PtCl2 in water for electrochemical application.

21 August 2019 5,444 3 View

No title

We have derived from certain astrometric and cosmological observations how physical constants evolve in time (https://doi.org/10.3390/galaxies7020055). The theoretical basis used is rather...

25 May 2019 8,899 3 View

How to link an enzyme to nanoparticle?

Hi everyone, I am looking forward for a solution to my problem. I want to attach an enzyme covalently on gold nanoparticle surface. If i follow EDC-NHS chemistry, the enzyme-nanoparticle complex...

14 April 2019 7,238 2 View

No title

Tartaric acid content by HPLC

09 April 2019 3,675 10 View

I have been doing HPLC with 0.1%OPA/MeOH.....after a couple of runs..the pressure started increasing the maximum level @ 40% MeOH?

washed the column in the reverse direction also but the same problem persists. when flow rate is reduced to 0.8mL/min from 1 ml/min...the pressure reduced to 2800 psi apprx. what more can be done...

04 January 2019 7,935 13 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

No title

01 March 2021 3,905 5 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View