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Related Concept Videos

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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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Phosphoinositides and PIPs01:42

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Phosphoinositides are a group of phospholipids containing a glycerol backbone with two fatty acid chains and a phosphate attached to a myoinositol sugar ring. The inositol head group extends into the cytoplasm, where it is modified by adding phosphate groups to form phosphatidylinositol phosphates or PIPs.
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IP3/DAG Signaling Pathway01:11

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Membrane lipids such as phosphatidylinositol (PI) are precursors for several membrane-bound and soluble second messengers. Specific kinases phosphorylate PI and produce phosphorylated inositol phospholipids. One such inositol phospholipids are the  phosphatidylinositol-4,5 bisphosphate [PI(4,5)P2], present in the inner half of the lipid bilayer. Upon ligand binding, GPCR stimulates Gq proteins to turn on phospholipase Cꞵ. Activated phospholipase Cꞵ cleaves PI(4,5)P2 and...
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Triglycerides are a form of long-term energy storage molecules. They are made of glycerol and three fatty acids. To obtain energy from fat, triglycerides must first be broken down by hydrolysis into their two principal components, fatty acids and glycerol. This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl-CoA, which is used by the Krebs cycle. The glycerol that is released from triglycerides after lipolysis...
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Methods of Documentation III: PIE01:21

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Problem-intervention-evaluation (PIE) is a systematic approach to documentation used in healthcare settings for clinical decision-making and patient care planning. It is a structured approach to organizing patient data based on problems, interventions, and evaluations. Here's a breakdown of its key features and considerations:
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Asymmetric Lipid Bilayer01:35

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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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Blockchain Private File Storage-Sharing Method Based on IPFS.

Peng Kang1, Wenzhong Yang2, Jiong Zheng1

  • 1College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China.

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|July 27, 2022
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Summary
This summary is machine-generated.

This study proposes a novel blockchain-based method for secure knowledge file storage and sharing using Named Data Network (NDN) and Interplanetary File System (IPFS). It enhances data integrity and efficient sharing through decentralized consensus and NDN encryption.

Keywords:
IPFSNDNblockchaindecentralizationshared storage

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Area of Science:

  • Computer Science
  • Information Security
  • Distributed Systems

Background:

  • Current centralized systems for knowledge file management lack transparency and are vulnerable to intellectual property theft.
  • Existing methods often rely on untrusted third parties for file examination and encryption, creating opaque processes.
  • Lack of uniform standards hinders consistent file management across institutions.

Purpose of the Study:

  • To ensure the secure storage of knowledge files.
  • To enable efficient sharing of copyrighted files.
  • To address the limitations of centralized file management systems.

Main Methods:

  • Integration of Named Data Network (NDN) with distributed blockchain and Interplanetary File System (IPFS).
  • Utilizing NDN for file content signature and encryption, separating security from transmission.
  • Employing NDN's flexible routing strategies and IPFS for secure encrypted data storage.
  • Leveraging decentralized consensus for synchronized blockchain file sharing and traceability.

Main Results:

  • The proposed method enhances the security and integrity of knowledge file storage.
  • It facilitates efficient and traceable sharing of copyrighted files.
  • The system separates file security and transmission processes effectively.
  • Decentralized consensus ensures consistent and reliable file management.

Conclusions:

  • The blockchain knowledge file storage and sharing method based on NDN offers a secure and efficient solution.
  • It overcomes the drawbacks of centralized systems, protecting intellectual property.
  • Future research should explore further optimizations and broader applications of this hybrid approach.