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Related Concept Videos

Storage01:23

Storage

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A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
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Eukaryotic Compartmentalization01:46

Eukaryotic Compartmentalization

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One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...
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Distribution Reliability and Automation01:25

Distribution Reliability and Automation

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Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
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Protecting Groups for Aldehydes and Ketones: Introduction01:23

Protecting Groups for Aldehydes and Ketones: Introduction

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Protecting groups are compounds that can bind to a specific functional group in the presence of other functional groups to protect them from undesired chemical reactions. These compounds can selectively bind to particular functional groups and advance chemoselective reactions in polyfunctional systems (Figure 1). After the functional group has served its purpose, it is removed by reacting it with specific compounds.
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Asymmetric Lipid Bilayer01:35

Asymmetric Lipid Bilayer

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Biological membranes show uneven distribution of different types of lipids in the inner and outer layers, resulting in transverse asymmetric membranes. The treatment of the erythrocyte membrane with the enzyme phospholipase confirmed the asymmetric nature of the lipid bilayer. The enzyme hydrolyzes lipids into fatty acids and hydrophilic groups. The phospholipase acts only on the outer layer of the membrane, while the inner layer remains intact. The phospholipase treatment resulted in 80%...
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Extraction: Partition and Distribution Coefficients01:14

Extraction: Partition and Distribution Coefficients

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The distribution law or Nernst's distribution law is the law that governs the distribution of a solute between two immiscible solvents. This law, also known as the partition law, states that if a solute is added to the mixture of two immiscible solvents at a constant temperature, the solute is distributed between the two solvents in such a way that the ratio of solute concentrations in the solvents remains constant at equilibrium.
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Related Experiment Video

Updated: Jul 12, 2025

Quasi-light Storage for Optical Data Packets
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EStore: A User-Friendly Encrypted Storage Scheme for Distributed File Systems.

Yuxiang Chen1,2,3, Guishan Dong1,3, Chunxiang Xu1

  • 1School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Sensors (Basel, Switzerland)
|October 28, 2023
PubMed
Summary

EStore offers a user-friendly encrypted storage solution for Hadoop distributed file systems, enhancing data security and collaboration. This system addresses plaintext vulnerabilities and complex key management issues, ensuring data confidentiality and availability.

Keywords:
ciphertext retrievaldistributed file systemencrypted storagefine-grained encryptionkey managementsecure data sharing

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Area of Science:

  • Computer Science
  • Information Security
  • Distributed Systems

Background:

  • Cloud-based distributed file systems enable collaboration but often store data in plaintext, posing security risks.
  • Simple encryption methods compromise data availability and present complex key management challenges, increasing leakage risks.
  • Existing systems lack robust control over uploaded and shared data, necessitating secure storage solutions.

Purpose of the Study:

  • To propose EStore, a user-friendly encrypted storage scheme for Hadoop distributed file systems.
  • To enhance data security, availability, and collaboration in cloud-based storage environments.
  • To address challenges of plaintext storage, data control, and complex key management.

Main Methods:

  • Developed an encrypted storage model and threat model with a corresponding system architecture.
  • Designed and implemented six security and usability protocols for EStore.
  • Integrated user/key management, searchable encryption, and encryption/decryption modules.
  • Focused on minimizing client overhead and storage redundancy.

Main Results:

  • EStore provides a secure and user-friendly encrypted storage scheme.
  • The system effectively manages users and keys through registration and authentication.
  • Searchable encryption and secure data outsourcing are supported with minimal performance impact.
  • Security analysis confirms the feasibility and security of the proposed protocols.

Conclusions:

  • EStore offers a robust solution for secure data storage and collaboration on distributed file systems.
  • The scheme enhances data confidentiality and availability while simplifying key management.
  • Users gain improved security and control over their data compared to original file systems.