Where can I buy Agilent software?

Hello. I have old agilent instrument, 6340 with 1100series HPLC, LC-Ion trap MS. We have software for LC, chemstation, but, not for MS. I asked Agilent korea if I can buy some software, and they...

05 January 2021 1,970 3 View

Statistics: Controlling for pubertal status and gender?

Hi, I am not sure whats the best way to "control" for pubertal stage and gender in my analysis. Actually, puberty is classified in 5 stages (1=prepubertal to 5=fully grown). To make it easier and...

06 May 2020 9,363 3 View

How to make a 1500 watt high voltage(5-20KV) power supply?

I need to design and make a high voltage power supply to use in a lab made electrostatic precipitation with this specs: Input voltage: AC: 220 volt Output voltage: DC: 5-20 KV (Continuous...

09 April 2020 5,172 21 View

Experience with immunostaining with anti-Hepatocyte Specific Antigen (Hep Par-1) antibodies in frozen tissue?

Dear scientists, I would like to stain the formaldehyde-fixed, OCT-embedded human liver tissues with anti-Hep Par-1 antibodies (DAKO; clone OCH1E5) for IHC staining. Do you by any chance having...

20 February 2020 3,017 3 View

What causes wrinkles in thin films to disappear after heat treatment?

When I anneal the free standing thin film (>300 degree Celsius), wrinkles of the thin film disappear. What is the principle of this phenomenon? (This thin film is can be a single layer or a...

28 December 2019 8,410 4 View

What happens to the mechanical properties when annealing a metal thin film?

If the metal thin film is annealed, How do the mechanical properties such as tensile strength, hardness, Young's modulus change? The metal thin film is not alloy and thickness is less than 100...

21 August 2019 8,069 3 View

How do you calculate IC 50 for inhibition of tyrosinase activity?

How do you calculate IC 50 of different plant extracts in tyrosinase inhibition essay?

28 April 2019 8,241 2 View

Induce Point Mutation in Microbes (RpoB gene for Rifampicin resistance)?

Hi, I try to make Rifampicin resistance microbes (e.g., Corynebacterium) using point mutation in RpoB gene. The doubling time of Corynebacterium is ~3.5hrs, and spontanoeus mutation rate for...

01 April 2018 6,253 2 View

Possible reasons causing ribosomal RNA size shift?

Hi all, I ran my RNA gel (formaldehyde gel containing MOPS buffer) to check the integrity of ribosomal RNA isolated from primary mouse hepatocytes. The 18s and 28s bands are good, which may...

26 November 2017 5,882 1 View

CDNA synthesis of norovirus

04 August 2017 2,580 3 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

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

How to write a scientific report?

We are analysing scientific reports at University in great detail, so I wanted to find a scientific report about how to write a scientific report. Including detail such as what information to put...

02 March 2021 7,602 4 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Do you know good and user-friendly programs to measure plant quantitative traits?

For my research i will need to measure plant quantitative traits (especially leaves area and roots length, but would be nice to add some more information). I recently discovered...

01 March 2021 5,035 2 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

Any suggestions for a website that allows you to create questionnaires and gather unlimited data (Totally free)?

I have found only four of them; www.surveyplanet.com www.online-anket.gen.tr www.surveey.com and of course google forms. Expecting to see your suggestions if there is any. Thank you

28 February 2021 3,237 3 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 3 View