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Related Concept Videos

Stereoisomers02:32

Stereoisomers

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On the basis of mirror symmetry, stereoisomers of an organic molecule can be further classified into diastereomers and enantiomers. Diastereomers are stereoisomers that are not mirror images of each other. Substituted alkenes, such as the cis and trans isomers of 2-butene, are diastereomers, as these molecules exhibit different spatial orientations of their constituent atoms, are not mirror images of each other, and do not interconvert. Here, the interconversion is suppressed due to...
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Extraction: Advanced Methods00:56

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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Reduction of Alkenes: Asymmetric Catalytic Hydrogenation02:17

Reduction of Alkenes: Asymmetric Catalytic Hydrogenation

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Catalytic hydrogenation of alkenes is a transition-metal catalyzed reduction of the double bond using molecular hydrogen to give alkanes. The mode of hydrogen addition follows syn stereochemistry.
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¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)01:20

¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)

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When proton-coupled carbon-13 spectra are simplified by a broadband proton decoupling technique, structural information about the coupled protons is lost. Distortionless enhancement by polarization transfer (DEPT) is a technique that provides information on the number of hydrogens attached to each carbon in a molecule. While the DEPT experiment utilizes complex pulse sequences, the pulse delay and flip angle are specifically manipulated. The resulting signals have different phases depending on...
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Reconstruction of Signal using Interpolation01:10

Reconstruction of Signal using Interpolation

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Signal processing techniques are essential for accurately converting continuous signals to digital formats and vice versa. When a continuous signal is sampled with a period T, the resulting sampled signal exhibits replicas of the original spectrum in the frequency domain, spaced at intervals equal to the sampling frequency. To handle this sampled signal, a zero-order hold method can be applied, which creates a piecewise constant signal by retaining each sample's value until the next...
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In-situ Hybridization02:31

In-situ Hybridization

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In situ hybridization (ISH) is a technique used to detect and localize specific DNA or RNA molecules in cells, tissue, or tissue sections using a labeled probe. The technique was first used in 1969 for the investigation of nucleic acids. It is currently an essential tool in scientific research and clinical settings, especially for diagnostic purposes.
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Hybridization in situ of Salivary Glands, Ovaries, and Embryos of Vector Mosquitoes
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An improved hybrid image steganography method using AES algorithm.

Syeda Zahra Banoori1, Wajidullah Khan1, Shahid Rahman2

  • 1Department of Computer Science, Abasyn University Peshawar, Peshawar, Pakistan.

Scientific Reports
|December 8, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces a hybrid image steganography method using LSB substitution, AES encryption, and other techniques to reduce data loss and enhance reliability. The novel approach improves secret data security and robustness against various attacks.

Keywords:
AESCryptographyHistogram analysisImageImage quality assessment metricsImage steganographyLSB

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Area of Science:

  • Computer Science
  • Information Security
  • Digital Image Processing

Background:

  • Image steganography lacks robust solutions for information loss and reliability during secret data extraction.
  • Existing methods often suffer from data degradation and vulnerability to attacks.

Purpose of the Study:

  • To propose a novel hybrid image steganography method addressing information loss and reliability.
  • To enhance the security and robustness of hidden data within cover images.

Main Methods:

  • A hybrid approach combining Least Significant Bit (LSB) substitution with a value difference algorithm.
  • Integration of transposition, magic matrix, a secret key, and the Advanced Encryption Standard (AES) algorithm.
  • Utilizing the RGB color model for embedding data in JPEG cover images.

Main Results:

  • The proposed method demonstrated superior performance in quality assessment metrics (PSNR, SSIM, RMSE, NCC).
  • Effective handling of various image dimensions and message text sizes was observed.
  • High robustness against steganalysis, noise, cropping attacks, and JPEG compression was confirmed.

Conclusions:

  • The hybrid steganography scheme offers a secure and reliable solution for embedding secret data.
  • The method provides robust protection against various data extraction challenges and security threats.