air
•Download as PPTX, PDF•
0 likes•118 views
The document discusses the composition of air and the importance of its main components. Air contains oxygen, nitrogen, carbon dioxide, and water vapor. Experiments are described that show air contains carbon dioxide, water vapor, and dust particles. Oxygen supports respiration and combustion, while nitrogen and carbon dioxide are important for plants and various industrial uses.
Report
Share
Report
Share
Recommended
E2 Acid Rain
Acid deposition refers to acidic particles and gases that deposit on earth through wet or dry deposition. Wet deposition is acid rain with a pH below 5.6, which removes acids from the atmosphere in rain or snow. Dry deposition occurs when particles like sulfates and nitrates or gases like sulfur dioxide and nitrogen oxides deposit on surfaces and later form acids when contacting water. Acid rain is caused by oxides of sulfur and nitrogen originating from fossil fuel combustion, smelting, vehicle emissions, and natural processes like volcanoes and bacteria. When these oxides react with water and oxygen in the air and atmosphere, they form acids like sulfuric acid and nitric acid which fall to earth as acid rain.
Suramya
The document discusses the greenhouse effect and the gases that cause it. It explains that greenhouse gases like carbon dioxide and methane in the atmosphere trap infrared radiation reflected from the Earth's surface, preventing it from escaping into space and warming the planet. These gases are emitted through processes like burning fossil fuels, agriculture like rice cultivation and livestock grazing, and decay from landfills. The greenhouse effect is what determines the surface temperatures of planets like Earth and Venus by modifying the radiative equilibrium through their atmospheric compositions.
Reaxys intro june18
This document provides an introduction to Reaxys, a chemistry discovery engine. It outlines the agenda which includes what's new in Reaxys, what Reaxys is, who uses it, what content is included, and what functions it performs. Reaxys allows searching of over 500 million experimental facts from 400 core chemistry journals and 16,000 periodicals. It is used widely in industries like pharmaceuticals and food and by professionals including chemists and patent researchers. Reaxys integrates data to help answer questions about compounds and their properties, synthesis, commercial availability and related biological effects.
The diet detective top ten
The document provides top ten tips from "The Diet Detective" who has 15 years of experience as a dancer, nutritionist, and researcher in nutrition. The tips include ensuring hunger levels are moderate before eating, not shopping for food when hungry, speaking positively to oneself, avoiding calling efforts a "diet" and instead seeing long-term lifestyle changes, eating like our ancestors with more protein and fat and less carbs along with intermittent fasting, assessing for sugar or carb addictions, finding what works best for one's body through detective work on allergies and intolerances, connecting with a community for support and knowledge sharing, and keeping a food journal for planning, tracking results and expressing gratitude.
Compara add(saurabh nigam)
This document discusses comparative advertising in India. It provides context on the emergence of regulations for comparative advertising through acts like the MRTP Act and Trademarks Act. Key cases that helped develop principles for comparative ads are summarized, like Moov vs Volini where the ad was found to disparage a competitor's product. The document also notes debates around the adequacy of rules and risks of comparative advertising like denigration of other brands. Experts are quoted discussing both benefits and potential downsides of comparative ads for brands.
Mas last vacation
We stayed in a rented house with friends in the town of Villeta for a vacation. We enjoyed reasonably priced local seafood, dancing, swimming and visiting tourist sites like a waterfall called High Monkey. The experience of sharing time with friends in Villeta was good and the writer would like to return there with family.
Chemical Plaque Control
The document discusses various chemical agents that are used for plaque control. It categorizes them into first, second, and third generation agents. Some examples of first generation agents mentioned are antibiotics, phenols, triclosan and metallic ions. Chlorhexidine is discussed as a commonly used second generation bisbiguanide agent. Delmopinol is given as an example of a third generation agent. The mechanisms of action and advantages/disadvantages of some of these agents are also summarized.
Carbon-di-oxide into fuel
Nanotechnology allows for the conversion of carbon dioxide into usable fuel. Carbon dioxide levels in the atmosphere are rising at 2.2 parts per million per year and are projected to exceed 400 parts per million in 2016. Nanoporous membranes and metal organic frameworks can be used to capture carbon dioxide through thermodynamic potentials and porous crystalline structures, respectively. The captured carbon dioxide can then be converted into methane fuel using nanosized catalysts at low temperatures and pressures or through titania nanotubes and a co-catalyst using sunlight. The resulting methane fuel provides a safe and transportable energy storage medium and feedstock.
Recommended
E2 Acid Rain
Acid deposition refers to acidic particles and gases that deposit on earth through wet or dry deposition. Wet deposition is acid rain with a pH below 5.6, which removes acids from the atmosphere in rain or snow. Dry deposition occurs when particles like sulfates and nitrates or gases like sulfur dioxide and nitrogen oxides deposit on surfaces and later form acids when contacting water. Acid rain is caused by oxides of sulfur and nitrogen originating from fossil fuel combustion, smelting, vehicle emissions, and natural processes like volcanoes and bacteria. When these oxides react with water and oxygen in the air and atmosphere, they form acids like sulfuric acid and nitric acid which fall to earth as acid rain.
Suramya
The document discusses the greenhouse effect and the gases that cause it. It explains that greenhouse gases like carbon dioxide and methane in the atmosphere trap infrared radiation reflected from the Earth's surface, preventing it from escaping into space and warming the planet. These gases are emitted through processes like burning fossil fuels, agriculture like rice cultivation and livestock grazing, and decay from landfills. The greenhouse effect is what determines the surface temperatures of planets like Earth and Venus by modifying the radiative equilibrium through their atmospheric compositions.
Reaxys intro june18
This document provides an introduction to Reaxys, a chemistry discovery engine. It outlines the agenda which includes what's new in Reaxys, what Reaxys is, who uses it, what content is included, and what functions it performs. Reaxys allows searching of over 500 million experimental facts from 400 core chemistry journals and 16,000 periodicals. It is used widely in industries like pharmaceuticals and food and by professionals including chemists and patent researchers. Reaxys integrates data to help answer questions about compounds and their properties, synthesis, commercial availability and related biological effects.
The diet detective top ten
The document provides top ten tips from "The Diet Detective" who has 15 years of experience as a dancer, nutritionist, and researcher in nutrition. The tips include ensuring hunger levels are moderate before eating, not shopping for food when hungry, speaking positively to oneself, avoiding calling efforts a "diet" and instead seeing long-term lifestyle changes, eating like our ancestors with more protein and fat and less carbs along with intermittent fasting, assessing for sugar or carb addictions, finding what works best for one's body through detective work on allergies and intolerances, connecting with a community for support and knowledge sharing, and keeping a food journal for planning, tracking results and expressing gratitude.
Compara add(saurabh nigam)
This document discusses comparative advertising in India. It provides context on the emergence of regulations for comparative advertising through acts like the MRTP Act and Trademarks Act. Key cases that helped develop principles for comparative ads are summarized, like Moov vs Volini where the ad was found to disparage a competitor's product. The document also notes debates around the adequacy of rules and risks of comparative advertising like denigration of other brands. Experts are quoted discussing both benefits and potential downsides of comparative ads for brands.
Mas last vacation
We stayed in a rented house with friends in the town of Villeta for a vacation. We enjoyed reasonably priced local seafood, dancing, swimming and visiting tourist sites like a waterfall called High Monkey. The experience of sharing time with friends in Villeta was good and the writer would like to return there with family.
Chemical Plaque Control
The document discusses various chemical agents that are used for plaque control. It categorizes them into first, second, and third generation agents. Some examples of first generation agents mentioned are antibiotics, phenols, triclosan and metallic ions. Chlorhexidine is discussed as a commonly used second generation bisbiguanide agent. Delmopinol is given as an example of a third generation agent. The mechanisms of action and advantages/disadvantages of some of these agents are also summarized.
Carbon-di-oxide into fuel
Nanotechnology allows for the conversion of carbon dioxide into usable fuel. Carbon dioxide levels in the atmosphere are rising at 2.2 parts per million per year and are projected to exceed 400 parts per million in 2016. Nanoporous membranes and metal organic frameworks can be used to capture carbon dioxide through thermodynamic potentials and porous crystalline structures, respectively. The captured carbon dioxide can then be converted into methane fuel using nanosized catalysts at low temperatures and pressures or through titania nanotubes and a co-catalyst using sunlight. The resulting methane fuel provides a safe and transportable energy storage medium and feedstock.
Medicinal Chemistry of Salicylic Acid
This document discusses the medicinal chemistry of salicylic acid. It describes the synthesis of salicylic acid via diazotization and Kolbe's reactions. It also outlines the structure activity relationship of salicylic acid, noting that the ortho position of the -OH group is essential for activity and other substitutions or changes can decrease potency or increase toxicity.
Resealed erythrocytes
This document discusses the use of erythrocytes (red blood cells) as drug delivery carriers. It describes how erythrocytes can be loaded with drugs through various methods like hypotonic lysis, dialysis, and electroencapsulation. Loaded erythrocytes are then resealed to form drug-loaded carrier erythrocytes. Erythrocytes offer benefits as carriers including biocompatibility, long circulation times, and the ability to encapsulate large drug volumes. However, limitations include potential drug leakage and an inability to target non-phagocytic tissues. The document reviews various loading methods and their efficiencies.
Carboxylic Acids- Post-Lab Discussion
The document summarizes experiments conducted on carboxylic acids and their derivatives. It discusses (1) esterification reactions between acetic acid and ethanol catalyzed by sulfuric acid, (2) using ferric chloride tests to detect phenols and enols, (3) hydrolysis reactions of anhydrides and benzamide producing carboxylic acids and ammonia, and (4) using dicarboxylic acids to remove stains. Key points covered include the mechanisms of esterification and hydrolysis, results of qualitative tests, and observations made during the experiments.
Liposomes
Liposomes are spherical vesicles composed of phospholipid bilayers that can encapsulate aqueous solutions. They can be used to deliver both hydrophilic and hydrophobic drug molecules by encapsulating them within the aqueous interior or embedding them within the phospholipid membrane respectively. Liposomes offer several advantages for drug delivery such as protecting drugs, altering pharmacokinetics and biodistribution, and facilitating drug targeting to specific sites. However, developing effective liposomal drug formulations faces challenges including high production costs, short shelf life, and potential new toxicities.
Liposomes and liposomal drug delivery system( recent advancement)
This document summarizes a seminar presentation on recent trends in pharmaceutical sciences focusing on liposomes. It defines liposomes as concentric bilayered vesicles enclosing an aqueous volume within a phospholipid membrane. The presentation covers the structural components of liposomes including commonly used phospholipids, classification based on lamellarity and size, various preparation methods such as mechanical dispersion, solvent dispersion, and detergent removal. It also discusses characterization, stability considerations, applications in drug delivery, recent advances, and some marketed liposome products.
Resealed erythrocytes
The document discusses resealed erythrocytes as drug delivery carriers. Erythrocytes can be loaded with drugs through osmotic lysis methods where they swell in a hypotonic solution, allowing drug entry, then reseal in an isotonic solution. They are biocompatible and biodegradable with long circulation times, making them promising carriers. Methods like hypotonic lysis, electroporation, and endocytosis can load drugs into erythrocytes in a controlled manner.
Synthesis of silver nanoparticles presentation
This document discusses various methods for synthesizing silver nanoparticles (Ag NPs). It covers physical approaches like evaporation-condensation and laser ablation. It then discusses several chemical approaches for reduction of silver ions to produce Ag NPs, including reduction by tri-sodium citrate, sodium borohydride, UV irradiation, gamma irradiation, laser irradiation, microwave irradiation, sonochemical reduction, and electrochemical methods. It notes the advantages of these chemical synthesis techniques and how stabilizing agents prevent agglomeration of the nanoparticles.
Andy Duran's Keynote on E-Cigarette's for the 2016 Drug Free America Foundati...
Presentation slides from Andy Duran's Keynote on E-Cigarette's for the 2016 Drug Free America Foundation Summit. www.leadingefforts.org.
Nanoparticles powerpoint
Nano particles are extremely small particles that are now being used in many products including sunscreen. There is ongoing research about whether nano particles in sunscreen are safe. While nano particles help sunscreen go on clear rather than white, some studies show they may penetrate the skin and cause harm. Alternative natural nano particles from ivy are being researched as potentially safer options. Overall, the risks of nano particles in sunscreen are still being evaluated.
Liposomes- A Novel Drug Delivery System
Liposomes are spherical vesicles made of phospholipid bilayers that can encapsulate aqueous content. They are used to deliver vaccines, drugs, and other substances to target cells and organs. Liposomes are composed of natural or synthetic phospholipids, along with cholesterol and other lipids. Various preparation methods are used to load drugs into liposomes either before or after formation. Liposomes offer advantages like reduced toxicity and targeted delivery compared to free drugs. However, liposomes also have challenges like low drug loading capacity and lack of long-term stability.
Liposomes- A Novel Drug Delivery System
Liposomes are spherical vesicles made of phospholipid bilayers that can encapsulate hydrophilic or hydrophobic drugs. They range in size from 25nm to 5000nm. This document discusses the structure of liposomes and their components, including phospholipids and cholesterol. Various preparation methods are described, such as lipid film hydration, ethanol injection, and detergent removal. Liposomes offer advantages for drug delivery, such as the ability to encapsulate different drug types and provide controlled release. They can be classified based on structure, method of preparation, composition, and specialty type.
Presentation On Nanoparticles
The document summarizes a presentation on developing paclitaxel nanoparticles using human serum albumin (HSA) as a polymer. Paclitaxel is insoluble in water and has low bioavailability. Nanoparticles can increase paclitaxel's stability, target delivery to tumor sites, and reduce toxicity. The method involves dissolving paclitaxel in chloroform and mixing it with an HSA solution to form an emulsion. The chloroform is then evaporated to form paclitaxel-loaded HSA nanoparticles.
Nanoparticle
This document discusses nanotechnology and nanoparticles in pharmacy. It begins by defining nanotechnology as manipulating matter at the atomic scale between 1-1000 nm. In pharmacy, nanoparticles are used to synthesize, characterize, and screen particles at the nano range. The document then discusses various methods of nanoparticle preparation including emulsion polymerization, dispersion polymerization, and interfacial polymerization. It covers advantages and applications of nanoparticles in targeted drug delivery and concludes by discussing pharmaceutical aspects such as purification, freeze drying, and sterilization of nanoparticles.
nanoparticles
The document discusses targeted drug delivery using nanoparticles. It describes various methods for preparing nanoparticles, including cross-linking of polymers, emulsion polymerization, and solvent evaporation. Nanoparticles can be engineered using these methods to encapsulate drugs and release them in a targeted manner in the body.
Preparation of Nanoparticles
Nanotechnology involves working with materials at the nanoscale, between 1 to 100 nanometers. There are top-down and bottom-up approaches to creating nanoparticles. Top-down involves breaking bulk materials into nanoparticles while bottom-up involves building nanoparticles from individual atoms or molecules. Nanoparticles can be created through various methods including attrition, pyrolysis, and liquid phase techniques like sol-gel and microemulsions. Nanoparticles find applications in areas like batteries and 3D printing.
Liposome ppt
This document provides an overview of liposomes. It begins with an introduction describing liposomes as concentric bilayer vesicles composed mainly of phospholipids and cholesterol. It then covers the mechanism of liposome formation, classifications, biological fate, preparation methods, characterization techniques, advantages and disadvantages, and applications. Preparation methods discussed include physical dispersion, solvent dispersion, detergent solubilization, and various size reduction/increase techniques. Characterization includes assessing size, shape, lamellarity, surface charge, drug release, and encapsulation efficiency using tools like microscopy, NMR, and chromatography.
My research proposal.ppt
This document outlines a research proposal that investigates teachers' perceptions of assessing students' oral reading skills in rural primary schools. The study aims to understand teachers' views on reading aloud assessments, and whether their perceptions differ based on years of teaching experience or education level. A mixed methods approach is proposed, using questionnaires to collect quantitative data on 80-120 teachers, and interviews of 12 teachers to obtain qualitative views. The research questions focus on teachers' perceptions of reading assessments, any differences related to experience or qualifications, and factors influencing perceptions. The significance, limitations, and methodology are described in the proposal.
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.
Walmart Business+ and Spark Good for Nonprofits.pdf
"Learn about all the ways Walmart supports nonprofit organizations.
You will hear from Liz Willett, the Head of Nonprofits, and hear about what Walmart is doing to help nonprofits, including Walmart Business and Spark Good. Walmart Business+ is a new offer for nonprofits that offers discounts and also streamlines nonprofits order and expense tracking, saving time and money.
The webinar may also give some examples on how nonprofits can best leverage Walmart Business+.
The event will cover the following::
Walmart Business + (https://business.walmart.com/plus) is a new shopping experience for nonprofits, schools, and local business customers that connects an exclusive online shopping experience to stores. Benefits include free delivery and shipping, a 'Spend Analytics” feature, special discounts, deals and tax-exempt shopping.
Special TechSoup offer for a free 180 days membership, and up to $150 in discounts on eligible orders.
Spark Good (walmart.com/sparkgood) is a charitable platform that enables nonprofits to receive donations directly from customers and associates.
Answers about how you can do more with Walmart!"
More Related Content
Viewers also liked
Medicinal Chemistry of Salicylic Acid
This document discusses the medicinal chemistry of salicylic acid. It describes the synthesis of salicylic acid via diazotization and Kolbe's reactions. It also outlines the structure activity relationship of salicylic acid, noting that the ortho position of the -OH group is essential for activity and other substitutions or changes can decrease potency or increase toxicity.
Resealed erythrocytes
This document discusses the use of erythrocytes (red blood cells) as drug delivery carriers. It describes how erythrocytes can be loaded with drugs through various methods like hypotonic lysis, dialysis, and electroencapsulation. Loaded erythrocytes are then resealed to form drug-loaded carrier erythrocytes. Erythrocytes offer benefits as carriers including biocompatibility, long circulation times, and the ability to encapsulate large drug volumes. However, limitations include potential drug leakage and an inability to target non-phagocytic tissues. The document reviews various loading methods and their efficiencies.
Carboxylic Acids- Post-Lab Discussion
The document summarizes experiments conducted on carboxylic acids and their derivatives. It discusses (1) esterification reactions between acetic acid and ethanol catalyzed by sulfuric acid, (2) using ferric chloride tests to detect phenols and enols, (3) hydrolysis reactions of anhydrides and benzamide producing carboxylic acids and ammonia, and (4) using dicarboxylic acids to remove stains. Key points covered include the mechanisms of esterification and hydrolysis, results of qualitative tests, and observations made during the experiments.
Liposomes
Liposomes are spherical vesicles composed of phospholipid bilayers that can encapsulate aqueous solutions. They can be used to deliver both hydrophilic and hydrophobic drug molecules by encapsulating them within the aqueous interior or embedding them within the phospholipid membrane respectively. Liposomes offer several advantages for drug delivery such as protecting drugs, altering pharmacokinetics and biodistribution, and facilitating drug targeting to specific sites. However, developing effective liposomal drug formulations faces challenges including high production costs, short shelf life, and potential new toxicities.
Liposomes and liposomal drug delivery system( recent advancement)
This document summarizes a seminar presentation on recent trends in pharmaceutical sciences focusing on liposomes. It defines liposomes as concentric bilayered vesicles enclosing an aqueous volume within a phospholipid membrane. The presentation covers the structural components of liposomes including commonly used phospholipids, classification based on lamellarity and size, various preparation methods such as mechanical dispersion, solvent dispersion, and detergent removal. It also discusses characterization, stability considerations, applications in drug delivery, recent advances, and some marketed liposome products.
Resealed erythrocytes
The document discusses resealed erythrocytes as drug delivery carriers. Erythrocytes can be loaded with drugs through osmotic lysis methods where they swell in a hypotonic solution, allowing drug entry, then reseal in an isotonic solution. They are biocompatible and biodegradable with long circulation times, making them promising carriers. Methods like hypotonic lysis, electroporation, and endocytosis can load drugs into erythrocytes in a controlled manner.
Synthesis of silver nanoparticles presentation
This document discusses various methods for synthesizing silver nanoparticles (Ag NPs). It covers physical approaches like evaporation-condensation and laser ablation. It then discusses several chemical approaches for reduction of silver ions to produce Ag NPs, including reduction by tri-sodium citrate, sodium borohydride, UV irradiation, gamma irradiation, laser irradiation, microwave irradiation, sonochemical reduction, and electrochemical methods. It notes the advantages of these chemical synthesis techniques and how stabilizing agents prevent agglomeration of the nanoparticles.
Andy Duran's Keynote on E-Cigarette's for the 2016 Drug Free America Foundati...
Presentation slides from Andy Duran's Keynote on E-Cigarette's for the 2016 Drug Free America Foundation Summit. www.leadingefforts.org.
Nanoparticles powerpoint
Nano particles are extremely small particles that are now being used in many products including sunscreen. There is ongoing research about whether nano particles in sunscreen are safe. While nano particles help sunscreen go on clear rather than white, some studies show they may penetrate the skin and cause harm. Alternative natural nano particles from ivy are being researched as potentially safer options. Overall, the risks of nano particles in sunscreen are still being evaluated.
Liposomes- A Novel Drug Delivery System
Liposomes are spherical vesicles made of phospholipid bilayers that can encapsulate aqueous content. They are used to deliver vaccines, drugs, and other substances to target cells and organs. Liposomes are composed of natural or synthetic phospholipids, along with cholesterol and other lipids. Various preparation methods are used to load drugs into liposomes either before or after formation. Liposomes offer advantages like reduced toxicity and targeted delivery compared to free drugs. However, liposomes also have challenges like low drug loading capacity and lack of long-term stability.
Liposomes- A Novel Drug Delivery System
Liposomes are spherical vesicles made of phospholipid bilayers that can encapsulate hydrophilic or hydrophobic drugs. They range in size from 25nm to 5000nm. This document discusses the structure of liposomes and their components, including phospholipids and cholesterol. Various preparation methods are described, such as lipid film hydration, ethanol injection, and detergent removal. Liposomes offer advantages for drug delivery, such as the ability to encapsulate different drug types and provide controlled release. They can be classified based on structure, method of preparation, composition, and specialty type.
Presentation On Nanoparticles
The document summarizes a presentation on developing paclitaxel nanoparticles using human serum albumin (HSA) as a polymer. Paclitaxel is insoluble in water and has low bioavailability. Nanoparticles can increase paclitaxel's stability, target delivery to tumor sites, and reduce toxicity. The method involves dissolving paclitaxel in chloroform and mixing it with an HSA solution to form an emulsion. The chloroform is then evaporated to form paclitaxel-loaded HSA nanoparticles.
Nanoparticle
This document discusses nanotechnology and nanoparticles in pharmacy. It begins by defining nanotechnology as manipulating matter at the atomic scale between 1-1000 nm. In pharmacy, nanoparticles are used to synthesize, characterize, and screen particles at the nano range. The document then discusses various methods of nanoparticle preparation including emulsion polymerization, dispersion polymerization, and interfacial polymerization. It covers advantages and applications of nanoparticles in targeted drug delivery and concludes by discussing pharmaceutical aspects such as purification, freeze drying, and sterilization of nanoparticles.
nanoparticles
The document discusses targeted drug delivery using nanoparticles. It describes various methods for preparing nanoparticles, including cross-linking of polymers, emulsion polymerization, and solvent evaporation. Nanoparticles can be engineered using these methods to encapsulate drugs and release them in a targeted manner in the body.
Preparation of Nanoparticles
Nanotechnology involves working with materials at the nanoscale, between 1 to 100 nanometers. There are top-down and bottom-up approaches to creating nanoparticles. Top-down involves breaking bulk materials into nanoparticles while bottom-up involves building nanoparticles from individual atoms or molecules. Nanoparticles can be created through various methods including attrition, pyrolysis, and liquid phase techniques like sol-gel and microemulsions. Nanoparticles find applications in areas like batteries and 3D printing.
Liposome ppt
This document provides an overview of liposomes. It begins with an introduction describing liposomes as concentric bilayer vesicles composed mainly of phospholipids and cholesterol. It then covers the mechanism of liposome formation, classifications, biological fate, preparation methods, characterization techniques, advantages and disadvantages, and applications. Preparation methods discussed include physical dispersion, solvent dispersion, detergent solubilization, and various size reduction/increase techniques. Characterization includes assessing size, shape, lamellarity, surface charge, drug release, and encapsulation efficiency using tools like microscopy, NMR, and chromatography.
My research proposal.ppt
This document outlines a research proposal that investigates teachers' perceptions of assessing students' oral reading skills in rural primary schools. The study aims to understand teachers' views on reading aloud assessments, and whether their perceptions differ based on years of teaching experience or education level. A mixed methods approach is proposed, using questionnaires to collect quantitative data on 80-120 teachers, and interviews of 12 teachers to obtain qualitative views. The research questions focus on teachers' perceptions of reading assessments, any differences related to experience or qualifications, and factors influencing perceptions. The significance, limitations, and methodology are described in the proposal.
Viewers also liked (17)
Liposomes and liposomal drug delivery system( recent advancement)
Liposomes and liposomal drug delivery system( recent advancement)
Andy Duran's Keynote on E-Cigarette's for the 2016 Drug Free America Foundati...
Andy Duran's Keynote on E-Cigarette's for the 2016 Drug Free America Foundati...
Recently uploaded
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.
Walmart Business+ and Spark Good for Nonprofits.pdf
"Learn about all the ways Walmart supports nonprofit organizations.
You will hear from Liz Willett, the Head of Nonprofits, and hear about what Walmart is doing to help nonprofits, including Walmart Business and Spark Good. Walmart Business+ is a new offer for nonprofits that offers discounts and also streamlines nonprofits order and expense tracking, saving time and money.
The webinar may also give some examples on how nonprofits can best leverage Walmart Business+.
The event will cover the following::
Walmart Business + (https://business.walmart.com/plus) is a new shopping experience for nonprofits, schools, and local business customers that connects an exclusive online shopping experience to stores. Benefits include free delivery and shipping, a 'Spend Analytics” feature, special discounts, deals and tax-exempt shopping.
Special TechSoup offer for a free 180 days membership, and up to $150 in discounts on eligible orders.
Spark Good (walmart.com/sparkgood) is a charitable platform that enables nonprofits to receive donations directly from customers and associates.
Answers about how you can do more with Walmart!"
ANATOMY AND BIOMECHANICS OF HIP JOINT.pdf
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
The Diamonds of 2023-2024 in the IGRA collection
A review of the growth of the Israel Genealogy Research Association Database Collection for the last 12 months. Our collection is now passed the 3 million mark and still growing. See which archives have contributed the most. See the different types of records we have, and which years have had records added. You can also see what we have for the future.
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
-------------------------------------------------------------------------------
Find out more about ISO training and certification services
Training: ISO/IEC 27001 Information Security Management System - EN | PECB
ISO/IEC 42001 Artificial Intelligence Management System - EN | PECB
General Data Protection Regulation (GDPR) - Training Courses - EN | PECB
Webinars: https://pecb.com/webinars
Article: https://pecb.com/article
-------------------------------------------------------------------------------
For more information about PECB:
Website: https://pecb.com/
LinkedIn: https://www.linkedin.com/company/pecb/
Facebook: https://www.facebook.com/PECBInternational/
Slideshare: http://www.slideshare.net/PECBCERTIFICATION
How to Make a Field Mandatory in Odoo 17
In Odoo, making a field required can be done through both Python code and XML views. When you set the required attribute to True in Python code, it makes the field required across all views where it's used. Conversely, when you set the required attribute in XML views, it makes the field required only in the context of that particular view.
The History of Stoke Newington Street Names
Presented at the Stoke Newington Literary Festival on 9th June 2024
www.StokeNewingtonHistory.com
RPMS TEMPLATE FOR SCHOOL YEAR 2023-2024 FOR TEACHER 1 TO TEACHER 3
RPMS Template 2023-2024 by: Irene S. Rueco
Exploiting Artificial Intelligence for Empowering Researchers and Faculty, In...
Exploiting Artificial Intelligence for Empowering Researchers and Faculty, In...Dr. Vinod Kumar Kanvaria
Exploiting Artificial Intelligence for Empowering Researchers and Faculty,
International FDP on Fundamentals of Research in Social Sciences
at Integral University, Lucknow, 06.06.2024
By Dr. Vinod Kumar KanvariaHow to Setup Warehouse & Location in Odoo 17 Inventory
In this slide, we'll explore how to set up warehouses and locations in Odoo 17 Inventory. This will help us manage our stock effectively, track inventory levels, and streamline warehouse operations.
How to Manage Your Lost Opportunities in Odoo 17 CRM
Odoo 17 CRM allows us to track why we lose sales opportunities with "Lost Reasons." This helps analyze our sales process and identify areas for improvement. Here's how to configure lost reasons in Odoo 17 CRM
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective UpskillingExcellence Foundation for South Sudan
Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.Digital Artifact 1 - 10VCD Environments Unit
Digital Artifact 1 - 10VCD Environments Unit - NGV Pavilion Concept Design
How to Build a Module in Odoo 17 Using the Scaffold Method
Odoo provides an option for creating a module by using a single line command. By using this command the user can make a whole structure of a module. It is very easy for a beginner to make a module. There is no need to make each file manually. This slide will show how to create a module using the scaffold method.
Recently uploaded (20)
Film vocab for eal 3 students: Australia the movie
Film vocab for eal 3 students: Australia the movie
Digital Artefact 1 - Tiny Home Environmental Design
Digital Artefact 1 - Tiny Home Environmental Design
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
Walmart Business+ and Spark Good for Nonprofits.pdf
Walmart Business+ and Spark Good for Nonprofits.pdf
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
RPMS TEMPLATE FOR SCHOOL YEAR 2023-2024 FOR TEACHER 1 TO TEACHER 3
RPMS TEMPLATE FOR SCHOOL YEAR 2023-2024 FOR TEACHER 1 TO TEACHER 3
Exploiting Artificial Intelligence for Empowering Researchers and Faculty, In...
Exploiting Artificial Intelligence for Empowering Researchers and Faculty, In...
How to Setup Warehouse & Location in Odoo 17 Inventory
How to Setup Warehouse & Location in Odoo 17 Inventory
How to Manage Your Lost Opportunities in Odoo 17 CRM
How to Manage Your Lost Opportunities in Odoo 17 CRM
Pride Month Slides 2024 David Douglas School District
Pride Month Slides 2024 David Douglas School District
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective Upskilling
How to Build a Module in Odoo 17 Using the Scaffold Method
How to Build a Module in Odoo 17 Using the Scaffold Method
air
- 2. Gases present in Air:
- 3. Other evidences of air to show that it contains other gases. 1. Cannot be represented by formula 2. Components of air can be separated by physical methods. Importance of Air: Oxygen : -Respiration - Burning - Welding purposes - Artificial oxygen in hospitals - Enhances temperature Carbon dioxide:- Plants for photosynthesis - Fire extinguishers - Dry ice - Fizzy drinks Water vapour: - Moisture for plants Nitrogen: - Soil as nitrates - Combustion of fuel rockets
- 4. To study the components of Air: The active part of air: Oxygen The inactive part of air: Nitrogen Experiments: 1. To show that Air contains carbondioxide: Observation: Lime water turns milky. Inference: carbondioxide reaches with lime water and turns milky. Note: Lime water : Ca(OH) + H O Carbondioxide: Significant component of air 2. To show that Air contains Water vapour: Observation: Water droplets on the outer part of the glass. Inference: Due to the cold surface of the glass the water vapours present in air turns droplets try getting condensed. 3. To show that air contains dust particles: Observation & Inference: Randomly moving dust particles in