Can anyone help me recognise these structures?

19 June 2023 0 3K Report

Stool examination while fresh. 58-year-old male subject with diarrhoea.

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¿Are oxygen vacancies in semiconductors capable to change the band gap?

Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...

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What is the solubility of Iron (+3) in Bismuth Oxide?

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Which pH range is allowed for subcutaneous pump administration?

Hello, We are designing a protocol to determine the effect of certain compounds in the health of rats, but our problems have certain instability issues when subjected to certain pHs. We were...

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What are novel cryptographic protocols that enhance email security?

what are novel cryptographic protocols that enhance email security?

13 June 2024 7,090 2 View

¿Alguien ha utilizado la Base De Datos ChemNETBase?

Me gustaría saber qué usos tiene la base y para que ha sifdo utilizada https://www.chemnetbase.com/

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Gender medicine myocardial infarction sex difference what are?

sex difference in patients with myocardial infarction

17 May 2024 1,321 0 View

Fluorescence spectroscopy: signal from water?

In order to proceed with the quantification of an Azide Alkyne Cycloaddition reaction efficiency by using a fluorogenic probe with Cy5-DBCO, I first need to construct a calibration curve. The...

16 May 2024 6,266 5 View

Can I calculate the high and low spin of the material in Quantum espresso?

I would like to simulate the high and slow spin configuration of a metal oxide. I am using QE for it, but in my research, I found that this kind of calculus is not possible. Or if it is possible,...

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How to express spinors with an arbitrary change of coordinates?

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Blockchains performance comparison studies?

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I would like to know why I obtained such false positive curves, which appears on both linear ang log scales healthy curves?

The positive curves for E coli different strains from mucual stool sample.

29 March 2024 5,907 0 View

Qiagen QIAamp DNA Stool Kit or QIAamp PowerFecal DNA Kit?

Hello colleagues, I want to determine which kit is better for extracting DNA from insects in bird feces, with the purpose of conducting barcoding later on. So far, we have been using a modified...

07 February 2024 2,601 1 View

Mice Calprotectin ELISA kit (Stool)?

Have anyone tried to measure calprotectin from feces sample of mice using ELISA

03 February 2024 6,049 2 View

How do you collect Mouse fecal samples for microbiome analysis?

I am to collect mice fecal samples for microbiome analysis. I've been reading some articles where each mouse was placed in a cage and allowed to defecate for a few hours since it is ideal to use...

28 January 2024 5,465 1 View

How can I analysis single-gene level abundance in Shotgun sequencing data?

I'm doing analysis with shotgun sequencing data, not 16S, from human stool sample sequenced by Illumina Miseq. Usually I do BIobakery Humann pipeline, and get results of path coverage, path...

02 November 2023 8,085 1 View

I need a high-quality method for efficient extraction of acylcarnitines from fecal specimens?

Dear All, I need a high-quality method/protocol to efficiently extract acylcarnitines from fecal specimens for further LC-MS/MS analysis. This method must be feasible and removes the interfering...

28 October 2023 143 4 View

Why my stool DNA samples have A260/280 > 2?

Hello, I am extracting human DNA from stool samples using Quiagen´s QIAamp Fast DNA Stool Mini Kit. The DNA yield seems to be fine, but the A260/280 ratio is above 2.0 (2.1-2.2). What might be the...

28 September 2023 9,159 1 View

Protocol to prepare mouse fecal sample to measure cytokines by ELISA test?

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26 September 2023 9,542 0 View

Could someone please advise me of a reliable chemistry for assessing intestinal permeability in humans from blood or stool samples?

I plan to evaluate intestinal permeability from blood and stool samples, I am considering markers such as zonnulin or I-FABP through ELISA. if anyone has experience I would be grateful for any advice.

28 August 2023 7,527 0 View

What is the protocol for frozen Human stool for DNA extraction?

-20 C dilution

01 August 2023 197 0 View