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Related Concept Videos

Short-distance Transport of Resources02:12

Short-distance Transport of Resources

Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
Distributed Loads: Problem Solving01:21

Distributed Loads: Problem Solving

Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
ABC Transporters: Exporter01:31

ABC Transporters: Exporter

ATP-binding cassette or ABC transporter is the largest superfamily of integral membrane proteins. The transporters have transmembrane-binding domains (TMDs) and nucleotide-binding domains (NBDs). The TMDs are specific to their substrates, whereas the NBDs are similar to engines that complete ATP hydrolysis to complete the substrate transport. They can be full transporters consisting of two TMDs and NBDs, half transporters with one TMD and NBD, while some encoded with a single TMD or NBD are...
Manipulation and Analysis01:21

Manipulation and Analysis

GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
Applications of GIS: Disaster Management and Emergency Response01:29

Applications of GIS: Disaster Management and Emergency Response

Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
ABC Transporters: Importer01:27

ABC Transporters: Importer

ATP-binding cassette or ABC transporters are a class of ATP-driven pumps that hydrolyze ATP to move solutes across the membrane. They can be grouped into importers and exporters. While exporters are present in all domains of life, importers exist only in bacteria and some plants.
In bacteria, based on the number of transmembrane helices and the chemical nature of their substrates, the ABC importers can be divided into three types:

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Related Experiment Video

Updated: Jun 7, 2026

Remote Laboratory Management: Respiratory Virus Diagnostics
14:56

Remote Laboratory Management: Respiratory Virus Diagnostics

Published on: April 6, 2019

Lessons in logistics from Somalia.

D Kemball-Cook1, R Stephenson

  • 1International Disaster Institute 85, Marylebone High Street London W1M 3DE, U.K.

Disasters
|October 21, 2010
PubMed
Summary
This summary is machine-generated.

A Somali refugee relief operation improved dramatically through dynamic leadership and systems management by CARE. Centralizing logistics in a single UN organization is crucial for future emergency relief operations.

Related Experiment Videos

Last Updated: Jun 7, 2026

Remote Laboratory Management: Respiratory Virus Diagnostics
14:56

Remote Laboratory Management: Respiratory Virus Diagnostics

Published on: April 6, 2019

Area of Science:

  • Humanitarian Logistics
  • Disaster Management
  • International Relations

Background:

  • The Somali refugee relief operation faced collapse by February 1981.
  • The United Nations High Commission for Refugees (UNHCR) and the Governor of Somalia sought external management.
  • The agency CARE was contracted to manage the operation's logistics.

Purpose of the Study:

  • To describe the successful turnaround of the refugee relief operation in Somalia.
  • To diagnose the key factors contributing to the operation's success.
  • To offer general conclusions for improving future relief logistics management.

Main Methods:

  • Analysis of the refugee relief operation's management and outcomes.
  • Identification of critical success factors, including leadership, systems management, personnel adaptability, food monitoring, and governmental support.
  • Evaluation of the operation's reliance on expatriate expertise.

Main Results:

  • Over 99% of food reached refugee camps by August 1981, a significant improvement.
  • Success factors included dynamic leadership, systems management, adaptable personnel, professional food monitors, and government support.
  • A key limitation was the continued dependency on expatriate expertise.

Conclusions:

  • Centralizing in-country logistics within a single organization at the outset of emergencies is essential.
  • The current international relief system is inadequate in ensuring centralized logistics.
  • A dedicated UN Emergency Logistics Office is proposed to manage in-country logistics.