Is there any public database that has both chest x-rays and CT Chest available?

More Niharika Baviriseaty's questions See All

How can I make the CST simulation run faster?

I am trying to simulate a metasurface of 24x24 elements, but even with a GPU of 48GB it takes very long to simulate. I want to obtain the field along the defined curve.

10 June 2024 3,577 7 View

Why is my protein concentration increasing after storage at -20°C?

I have a few proteins that I produce recombinantly in E. coli cells. All of them are disordered proteins and are stored in the presence of 4mM DTT at -20°C before use. One of them also contains...

28 November 2023 2,682 2 View

Why do A431 cells form clumps in propidium iodide staining solution?

I've been trying to study cell cycle using PI (propidium iodide + Triton-X + sodium citrate)b staining solution. I trypsinize my cells (A431: skin carcinoma), fix them using 100% methanol and...

20 November 2023 2,443 3 View

Not getting any protein expression. How to tackle the issue?

I am trying to express a novel GlcNAcT enzyme in BL21(DE3). I have successfully cloned it in pET28a vector and confirmed it through sequencing. I tried following previous protocols for GlcNAcT...

19 July 2023 6,063 2 View

How to obtain sensitivity from cst?

I am working on obtaining sensitivity of microstrip patch in cst but I cannot seem to understand how to obtain the plots in the paper ( page 6044/fig 8). I manually derived the formula for...

27 February 2023 5,663 0 View

How to conduct qualitative detection of sialic acid using resorcinol method on TLC plates made with silica gel??

I am qualitatively trying to determine the sialic acid using resorcinol on TLC plates. Can someone help me with the process?

26 January 2023 7,824 0 View

How do I grow WI-38 (human normal lung) cell line?

I have WI-38 cells. Although the cells look healthy, they are growing very slow,. I have increased the serum (FBS) from 10 to 15%, cultured in high glucose and high glutamate media, yet it is not...

05 December 2022 6,450 2 View

What is the role of 8M urea in protein purification buffer besides solubilization?

Hello, I am trying to express and purify recombinant nuclear pore proteins in E. coli cells. All the published protocols I have found use 8M urea in the lysis buffer and subsequently during...

19 October 2022 4,623 5 View

How to get sample wise allele frequency in a VCF file?

Given a multi sample VCF file how to obtain AF for each sample in the file

17 October 2022 2,525 1 View

Post peak behavior of hinge of a conrete column in SAP2000 is not matching with the backbone curve defined in hinge defination in SAP2000 v23.3.1?

What can be the possible reason for this mismatch of backbone curve and hinge load path as shown in the figure. Same behavior is observed in beams as well. Because of this issue columns in my...

28 January 2022 6,160 3 View

I need JCPDS file of LSFCO nanomaterial. Can anyone provide me?

Require for Rietveld refinement in XRD.

08 August 2024 3,080 2 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

How to fix background error in rietveld refinement of one XRD peak using GSAS-II?

I want to refine one XRD peak of my in-situ xrd but the background is never working good which ultimately fails the refinement. How to refine and adjust the background using GSAS-II

05 August 2024 5,291 2 View

How to calculate the molar proportions of the oxides from the XRF analyses?

02 August 2024 2,565 2 View

Hello, regarding Mxene 2D titanium carbide?

I fabricated Ti3C2Tx using concentrated HF 40%, I plot an XRD as attached image below.. please let to know if I obtained it or not.

02 August 2024 6,789 4 View

Can a Conventional 50W visible LED Lamp Emit UV Light?

I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....

31 July 2024 3,843 7 View

Why Powder XRD is performed after cruhsing a crystal if Single Crystal XRD analysis of the same crystal has been performed already ?

What information we can get from PXRD analysis other than from SCXRD analysis of a crystal ?

30 July 2024 6,261 4 View

Can anyone guide me the best method to analyze the XRD data???

I will be doing an XRD on a sample which is powdered in natured and is a hydrogenated compound. I would like to know how we can understand the individual components and components by using the...

28 July 2024 4,548 2 View

Guidance needed for preparing the hydrogel samples for the XRD instrument?

I'm working with a hydrogel sample and I'd like to perform XRD analysis. Can anyone offer guidance on preparing the hydrogel for the XRD instrument? Specifically, I'm unsure about the best method...

20 July 2024 3,611 4 View

Can we measure the 2θ variation within a 5° range on a Bruker D2 Phasor XRD? is it compatible with diffraction angles (2θ) below 10°?

Can we measure the 2θ variation within a 5-degree range on a Bruker D2 Phaser XRD machine? I have experienced problems with diffraction angles (2θ) below 10 degrees. Is this range within the...

13 July 2024 2,615 4 View

Yueh Z Lee

Possibly this database?

https://academic.oup.com/gigascience/article/10/11/giab076/6437679

Tajinder Kumar Saini

Here are some notable databases that contain both chest X-rays and CT chest scans:

NIH Chest X-ray Dataset (CXR):Description: This dataset is provided by the National Institutes of Health (NIH) and contains 112,120 frontal-view chest X-ray images from 30,805 unique patients. Website: https://nihcc.app.box.com/v/ChestXray-NIHCC

ChestX-ray8 Dataset:Description: The ChestX-ray8 dataset contains 108,948 frontal-view chest X-ray images from 32,717 patients with various radiological findings. Website: https://nihcc.app.box.com/v/ChestXray-NIHCC

CheXpert Dataset:Description: The CheXpert dataset includes 224,316 frontal-view chest X-ray images with associated radiology reports. It provides annotations for different pathologies and uncertainty labels. Website: https://stanfordmlgroup.github.io/competitions/chexpert/

LIDC-IDRI Database:Description: The LIDC-IDRI (Lung Image Database Consortium and Image Database Resource Initiative) database includes CT scans of lung nodules from 1,010 patients. It is widely used for lung nodule detection and classification tasks. Website: https://wiki.cancerimagingarchive.net/display/Public/LIDC-IDRI

MosMedData: Moscow Chest CT Dataset:Description: MosMedData is a large-scale chest CT dataset with over 7,000 anonymized CT scans of patients with pulmonary diseases. It covers various conditions, including COVID-19. Website: https://mosmed.ai/en/datasets/covid19

COVID-19 Image Data Collection:Description: This dataset contains chest X-ray and CT images of COVID-19 patients, as well as images from other respiratory conditions and healthy individuals. Website: https://github.com/ieee8023/covid-chestxray-dataset