Diffusion ict
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This document discusses the differences and similarities between diffusion and osmosis. Diffusion involves the net movement of particles from an area of higher concentration to lower concentration without a membrane. Osmosis requires a semi-permeable membrane and involves the net movement of water molecules from an area of higher water potential to lower water potential. Both processes aim to evenly distribute particles or solvent, but diffusion can occur over longer distances while osmosis is limited by the membrane. Common misconceptions about these processes are also addressed.
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This document discusses the differences and similarities between diffusion and osmosis. It begins by introducing the group members working on the topic. Then, it provides examples and comparisons of diffusion and osmosis. The main differences are that diffusion involves transport across no membrane, while osmosis requires a semi-permeable membrane. Osmosis also involves the movement of water, while diffusion can involve any molecules or ions. Their similarities are that both involve the passive transport of substances from an area of higher concentration to lower concentration. The document then discusses misconceptions students may have and provides activities to help overcome them, such as using demonstrations involving semi-permeable membranes.
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High pressure liquid chromatography (HPLC) uses very fine silica gel particles in columns, greatly increasing separation power but severely decreasing mobile phase flow rate. High pressure pumps are needed to push the mobile phase through stainless steel columns. HPLC allows for improved separation compared to regular column chromatography due to the small particle size increasing surface area, but requires specialized equipment like high pressure pumps and stainless steel columns to accommodate the low flow rates. HPLC finds applications in forensic analysis of substances in the body and pharmaceutical analysis to test drug purity.
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described clinical examination all orthopeadic conditions .
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ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
What sets Denis apart is his comprehensive understanding of Business and Systems Analysis technologies, honed through involvement in all phases of the Software Development Lifecycle (SDLC). From meticulous requirements gathering to precise analysis, innovative design, rigorous development, thorough testing, and successful implementation, he has consistently delivered exceptional results.
Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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BBR 2024 Summer Sessions Interview Training
Qualitative research interview training by Professor Katrina Pritchard and Dr Helen Williams
PCOS corelations and management through Ayurveda.
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LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
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Diffusion ict
- 1. ICT IN BIOLOGY DIFFUSION VSOSMOSIS
- 2. YAASHINI A/P SELVARAJAH D20091034837 NATASHA KAUR A/P MINDAR SINGH D20091034839 AMARPREET KAUR A/ GURNAM SINGH D20091034873 KRISNAVIMALA A/P KRISHUAN D20091034821 Group members
- 6. comparison
- 8. Flow from [higher] to [lower] of solute
- 9. Flow from [lower] to [higher] of solvent
- 10. Between gas molecules, solid-liquid or liquid-gas
- 12. Can spread over long distance
- 13. Nature of transport (presence of a semi-permeable membrane)
- 14. Flow from [lower] to [higher] of solute
- 15. Flow from [higher] to [lower] of solvent
- 16. Only between two solvents
- 17. Relatively slower (time-dependant process)
- 19. Osmosis Concept 1. Water molecules are always moving about 2. Net movement of WATER MOLECULES (Solvent) from a solution of [higher] of water to one with [lower] of water 3. Movement of WATER MOLCULES must be through a PARTIALLY PERMEABLE MEMBRANE
- 20. Water Potential ‘High’ Water Potential Instead of using the word concentration for water… We use WATER POTENTIAL - Water potential is the measure of tendency for water to move from one place to another - Water moves from High Water Potential to Low Water Potential ‘Low’ Water Potential
- 21. Osmosis Concept (revised) 1. Net movement of WATER MOLECULES (Solvent) from a solution of higher concentration of water to one with lower concentration of water 2. Movement of WATER MOLCULES must be through a PARITALLY PERMEABLE MEMBRANE water potential water potential
- 22. Container A (Concentrated Solute Solution) 20% Water Concentration 80% Solute Concentration Container B (Diluted Solute Solution) 66.6% Water Concentration 33.33% Solute Concentration Remember Diffusion? Net Movement of particles down a concentration gradient from an area of higher concentration to an area of lower concentration! Legend Water molecule Partially Permeable Membrane Solute molecule
- 23. It’s about the Word Play A B 80% sucrose 20% water 20% sucrose 80% water Net Concentrated Solution (Sucrose for example) Low Water Potential Low concentration of Solvent High concentration of Solute Hypertonic compared to B Dilute Solution High Water Potential High Concentration of Solvent Low Concentration of Solute Hypotonic compared to A
- 24. MISCONCEPTIONS
- 26. To Recall…HERE ARE THE ACTIVITIES
- 27. POE Spot the errors! Semi-Permeable Membrane A 10% sucrose solution B 20% sucrose solution “Osmosis taking place via the uni-direction movement of water molecules from A to B” Solution A is hypertonic solution Solution B is hypotonic solution
- 28. Spot the errors! Semi-Permeable Membrane A 10% sucrose solution “Osmosis taking place via the uni-direction movement of water molecules from A to B” A 10% sucrose solution B 20% sucrose solution Solution A is hypertonic Solution B is hypotonic V V
- 29. Misconceptions 1. Semi-permeable membrane (Partially) 2. This is a hypertonic solution (need to be relative to something) 3. Molecules only move from high water potential to low water potential (It’s the net movement, molecules do not stop moving anyway)
- 31. Dostudents believe that a balloon can be semi-permeable?
- 33. Do students believe that molecules want to spread out?
- 35. ATP ENERGY Water ATP energy Gas Molecules Ink drop in solution Blood cell Isotonic drink Colour gas Liquid molecules Grape jus Fish in hypotonic
- 36. Movement of substance Tonicity Movement of molecules Semi-permeable membrane Syrup drink SEMI-PERMEABLE MEMBRANE Perfume No semi-permeable membrane Solid molecules
- 39. THANK YOU -KANY-