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Related Concept Videos

Weak Base Solutions03:21

Weak Base Solutions

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Some compounds produce hydroxide ions when dissolved by chemically reacting with water molecules. In all cases, these compounds react only partially and so are classified as weak bases. These types of compounds are also abundant in nature and important commodities in various technologies. For example, global production of the weak base ammonia is typically well over 100 metric tons annually, being widely used as an agricultural fertilizer, a raw material for chemical synthesis of other...
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A strong acid is a compound that dissociates completely in an aqueous solution and produces a concentration of hydronium ions equal to the initial concentration of acid. For example, 0.20 M hydrobromic acid will dissociate completely in water and produces 0.20 M of hydronium ions and 0.20 M of bromide ions.
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Leveling Effect and Non-Aqueous Acid-Base Solutions02:11

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This lesson defines the leveling effect in acidic and basic solutions and its role in aqueous and non-aqueous solutions. It is essential to understand the competing nature of various species in a chemical system.
The Leveling Effect of a Solvent
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Solution Composition During Acid/Base Titrations01:17

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The titration of a weak acid with a strong base results in the formation of water and the conjugate base of the acid. For instance, titrating acetic acid with sodium hydroxide leads to the formation of water and sodium acetate. A solution of acetic acid and sodium acetate constitutes a buffer whose relative concentration at different stages of the titration is indicated by the α values, which represent percentages of the weak acid and its conjugate base.
The α0 and α1 values...
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Determining the pH of Salt Solutions04:08

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The pH of a salt solution is determined by its component anions and cations. Salts that contain pH-neutral anions and the hydronium ion-producing cations form a solution with a pH less than 7. For example, in ammonium nitrate (NH4NO3) solution, NO3− ions do not react with water whereas NH4+ ions produce the hydronium ions resulting in the acidic solution.  In contrast, salts that contain pH-neutral cations and the hydroxide ion-producing anions form a solution with a pH greater than 7. For...
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Corneal Donor Tissue Preparation for Descemet's Membrane Endothelial Keratoplasty
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Modern Corneal Eye-Banking Using a Software-Based IT Management Solution.

C Kern1, K Kortuem1,2, C Wertheimer1

  • 1Department of Ophthalmology, University Hospital LMU, Munich, Germany.

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|June 12, 2018
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Summary
This summary is machine-generated.

New software streamlines corneal eye banking by automating documentation and managing patient waiting lists within a hospital information system (HIS). This improves efficiency and information flow for pharmaceutical product requirements.

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Area of Science:

  • Ophthalmology
  • Biotechnology
  • Health Informatics

Background:

  • European Union regulations necessitate enhanced documentation for pharmaceutical product requirements of corneal grafts.
  • Existing processes present challenges in managing patient waiting lists and inter-institutional information exchange.

Purpose of the Study:

  • To develop and implement a software solution integrated into a hospital information system (HIS).
  • To streamline documentation processes for corneal grafts.
  • To improve patient waiting list management and enhance communication between clinics and eye banks.

Main Methods:

  • Analysis of the current documentation workflow in eye banking.
  • Implementation of a new workflow and custom software within an electronic health record (EHR) system.

Main Results:

  • The developed software significantly reduces time spent on record keeping by automating documentation.
  • Real-time tracing of human corneal tissue processing from production to surgical allocation is ensured.
  • Integrated patient listing for surgery and waiting list management within the HIS.

Conclusions:

  • The new software supports the entire corneal eye banking process chain, including documentation and waiting list management.
  • Offers a standardized, IT-based solution for eye banks operating within a shared HIS.
  • Enhances operational efficiency and compliance with regulatory requirements.