cadmium ~ juan
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Cadmium is a soft metal that is a byproduct of zinc production. It can cause health issues when inhaled or ingested, as the body absorbs it and stores it in organs like the liver and kidneys. Dental amalgam fillings contain cadmium, which can stain teeth and impact periodontal health over time. Cadmium poisoning was responsible for the Itai-itai disease that affected women working in battery factories in Japan, causing bone and kidney problems. Mild cases are treated with supplements, while more severe cases require hospitalization, supplements, and potentially chelation therapy or dialysis.
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Cadmium
Cadmium is a soft, bluish-white metal that is toxic and carcinogenic. It occurs naturally in zinc ores and is produced as a byproduct of zinc smelting. Cadmium is used in batteries, pigments, plastics, and other applications. Long-term exposure can cause kidney and lung damage and cancer in humans. The main sources of human exposure are burning fossil fuels, waste incineration, and contaminated food and water from industrial pollution.
Cadmium toxicity in human
This document discusses cadmium, a heavy metal that exists in small particles in air as a byproduct of industrial processes like smelting. It is extremely toxic even in low concentrations and can bioaccumulate in organisms. Cadmium is primarily toxic to lungs and kidneys, and long-term exposure can cause cancers and skeletal effects like osteoporosis. Sources of cadmium exposure include tobacco smoke, contaminated food, and industrial pollution. The document examines cadmium poisoning symptoms, diagnosis, and treatments focusing on chelation therapy and reducing further exposure through diet and lifestyle changes.
Heavy metals
The document discusses heavy metals, which are defined as metallic elements that are relatively dense and toxic in low concentrations. Common heavy metals include aluminum, antimony, arsenic, barium, bismuth, cadmium, lead, mercury, nickel, uranium, and tin. Heavy metals enter the human body through food and water. While some heavy metals like iron and zinc are essential nutrients, others such as cadmium and lead are highly toxic even in small amounts. Sources of heavy metal exposure include mining, industrial waste, vehicle emissions, and food/water contamination. The document provides details on specific heavy metals like cadmium, chromium, arsenic, and lead, their sources, and health effects.
Heavy metals toxicity
Here you will be able to understand and aware of the acute diseases caused by the toxic heavy metals.
Heavy metal toxicity aman
Heavy metals like arsenic, lead, mercury, and cadmium are highly toxic. Their toxicity depends on factors like solubility, dose, exposure duration, and route of entry into the body. Arsenic poisoning is common and causes nausea, vomiting, and cancer. Lead exposure occurs through contaminated food, water, paint, gasoline, and other sources, especially affecting children. Mercury exposure comes from mining, fish consumption, and industrial sources, with neurological impacts. Cadmium is found in soil, fertilizers, batteries and causes kidney and bone damage. Regulations aim to limit exposure levels through air, water, and food.
Toxic effect of heavy metals
This document discusses the toxic effects of heavy metals such as mercury and lead. Mercury is a liquid metal that occurs naturally as cinnabar ore. It is released into the environment through coal burning and waste incineration. Mercury exposure can damage the brain, kidneys and nervous system. Methylmercury exposure in the womb can impair child development. Lead is a metal used in batteries, paint and plumbing. Lead exposure interferes with hemoglobin production and brain development in children, causing issues with behavior and attention. Both mercury and lead contamination stem from industries like mining and smelting as well as vehicle emissions.
heavy metals
This document discusses heavy metals and provides information on several specific heavy metals. It lists the densities of common heavy metals and substances, with mercury, lead, and cadmium among the heaviest. Heavy metals are defined as having densities over 5g/cm3 and occurring in the middle to bottom of the periodic table. The document then discusses the bioaccumulation and biomagnification of heavy metals in organisms and food chains. It also explains that heavy metals are more toxic when bonded to short carbon chains. Information is provided on the sources, toxicity and health effects of cadmium, chromium, arsenic, and lead in the environment and human body.
Heavy Metals
Heavy metals such as mercury, cadmium, chromium, and lead were discussed in the document. These metals can enter the environment from natural and human sources and persist indefinitely. While some heavy metals are essential in small amounts, higher concentrations can be toxic. Exposure to heavy metals can occur through food, water, air and cause health effects like organ damage and cancer. Current research studies analyzed heavy metal levels in foods, soils and plants in the Philippines and found levels exceeding safety limits.
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Cadmium
Cadmium is a soft, bluish-white metal that is toxic and carcinogenic. It occurs naturally in zinc ores and is produced as a byproduct of zinc smelting. Cadmium is used in batteries, pigments, plastics, and other applications. Long-term exposure can cause kidney and lung damage and cancer in humans. The main sources of human exposure are burning fossil fuels, waste incineration, and contaminated food and water from industrial pollution.
Cadmium toxicity in human
This document discusses cadmium, a heavy metal that exists in small particles in air as a byproduct of industrial processes like smelting. It is extremely toxic even in low concentrations and can bioaccumulate in organisms. Cadmium is primarily toxic to lungs and kidneys, and long-term exposure can cause cancers and skeletal effects like osteoporosis. Sources of cadmium exposure include tobacco smoke, contaminated food, and industrial pollution. The document examines cadmium poisoning symptoms, diagnosis, and treatments focusing on chelation therapy and reducing further exposure through diet and lifestyle changes.
Heavy metals
The document discusses heavy metals, which are defined as metallic elements that are relatively dense and toxic in low concentrations. Common heavy metals include aluminum, antimony, arsenic, barium, bismuth, cadmium, lead, mercury, nickel, uranium, and tin. Heavy metals enter the human body through food and water. While some heavy metals like iron and zinc are essential nutrients, others such as cadmium and lead are highly toxic even in small amounts. Sources of heavy metal exposure include mining, industrial waste, vehicle emissions, and food/water contamination. The document provides details on specific heavy metals like cadmium, chromium, arsenic, and lead, their sources, and health effects.
Heavy metals toxicity
Here you will be able to understand and aware of the acute diseases caused by the toxic heavy metals.
Heavy metal toxicity aman
Heavy metals like arsenic, lead, mercury, and cadmium are highly toxic. Their toxicity depends on factors like solubility, dose, exposure duration, and route of entry into the body. Arsenic poisoning is common and causes nausea, vomiting, and cancer. Lead exposure occurs through contaminated food, water, paint, gasoline, and other sources, especially affecting children. Mercury exposure comes from mining, fish consumption, and industrial sources, with neurological impacts. Cadmium is found in soil, fertilizers, batteries and causes kidney and bone damage. Regulations aim to limit exposure levels through air, water, and food.
Toxic effect of heavy metals
This document discusses the toxic effects of heavy metals such as mercury and lead. Mercury is a liquid metal that occurs naturally as cinnabar ore. It is released into the environment through coal burning and waste incineration. Mercury exposure can damage the brain, kidneys and nervous system. Methylmercury exposure in the womb can impair child development. Lead is a metal used in batteries, paint and plumbing. Lead exposure interferes with hemoglobin production and brain development in children, causing issues with behavior and attention. Both mercury and lead contamination stem from industries like mining and smelting as well as vehicle emissions.
heavy metals
This document discusses heavy metals and provides information on several specific heavy metals. It lists the densities of common heavy metals and substances, with mercury, lead, and cadmium among the heaviest. Heavy metals are defined as having densities over 5g/cm3 and occurring in the middle to bottom of the periodic table. The document then discusses the bioaccumulation and biomagnification of heavy metals in organisms and food chains. It also explains that heavy metals are more toxic when bonded to short carbon chains. Information is provided on the sources, toxicity and health effects of cadmium, chromium, arsenic, and lead in the environment and human body.
Heavy Metals
Heavy metals such as mercury, cadmium, chromium, and lead were discussed in the document. These metals can enter the environment from natural and human sources and persist indefinitely. While some heavy metals are essential in small amounts, higher concentrations can be toxic. Exposure to heavy metals can occur through food, water, air and cause health effects like organ damage and cancer. Current research studies analyzed heavy metal levels in foods, soils and plants in the Philippines and found levels exceeding safety limits.
Cadmium Toxicity.pptx
Cadmium is a toxic heavy metal that occurs naturally and is used industrially. It can cause health effects when inhaled or ingested through contaminated food, water, air or tobacco smoke. Cadmium poisoning can damage the kidneys and bones and cause cancer. It accumulates in the body over time. Diagnosis involves testing urine or blood for cadmium levels. Treatment focuses on chelation therapy to remove cadmium from the body. Prevention efforts include reducing cadmium emissions, promoting recycling to limit industrial exposure, and controlling tobacco use.
Heavy metal and human health
This document discusses heavy metals and their effects on human health. It provides background on heavy metals and lists some of the most hazardous ones, including arsenic, lead, mercury, and cadmium. It discusses factors that affect metal toxicity like dose, duration of exposure, and route of exposure. It then goes into more detail on the sources, absorption, distribution, mechanisms of toxicity, symptoms, diagnosis, and regulations for specific metals like lead, mercury, arsenic, cadmium, and others. The document provides a comprehensive overview of several heavy metals and their impacts on the human body.
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Cadmium
The document discusses cadmium metabolism and pathogenesis effects. It provides an overview of cadmium, including its discovery, properties, sources of exposure, and industrial applications. Regarding pharmacokinetics, it notes that cadmium is absorbed through inhalation from sources like smoking or smelters (15-50% absorption) and ingestion mainly through foods like meats (6% absorption). Once absorbed, cadmium binds to proteins like albumin and metallothionein and is transported primarily to the liver and kidneys, where 50-75% of the total body burden accumulates over time.
Hg Toxicity
Mercury is a heavy metal that occurs naturally and can be toxic to humans. It exists in elemental, inorganic, and organic forms, with organic mercury posing the greatest risk. Sources of mercury exposure include mining, fossil fuel combustion, industrial manufacturing, and consumption of contaminated fish. Mercury poisoning can cause neurological, kidney, and developmental issues. Symptoms range from rashes and irritability to tremors, impaired vision and hearing, and Minamata disease.
Heavy metals
When scaling elements to be summarized:
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1) Metal toxicity or metal poisoning refers to the toxic effects of certain metals in excessive amounts or certain chemical forms. Some metals are toxic when they form soluble poisonous compounds.
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3) The factors influencing metal toxicity include the metal properties like solubility and ligands, as well as environmental factors like pH, temperature, and organic substances present. Arsenic toxicity is linked to its interference with cellular respiration and sulfhydryl groups in proteins.
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Heavy metals are natural constituents of the earth’s crust , but indiscriminate human activities have drastically altered their geochemical cycles and biochemicals balance.
Any toxic metals may be called heavy metals.
Since heavy metals have a propensity to accumulate in selective body organs.
The average safety levels in food or water are often misleading high.
Heavy is any metal or metalloid of environmental concern.
Heavy metals are metallic element that have relatively high density usually greater than 5 g/cm3, or their density is greater than the density of water.
Heavy metals
Heavy metals like lead, mercury, cadmium and arsenic are toxic to human health. They are mainly produced by industrial activities and slowly deposit in surrounding environments. Heavy metals are determined using techniques like atomic absorption spectrophotometry and x-ray fluorescence. Mercury and arsenic exposure can cause various health effects ranging from skin irritation to cancer and death. Control methods include periodic vacuuming, replacing appliances, removing old paints, and using absorbents to remove heavy metals from indoor air.
Heavymetals & living system ppt
This document discusses heavy metals, their properties, effects on living organisms and the environment, and methods for measuring and treating heavy metal toxicity. Heavy metals are naturally occurring but human activities have increased their levels. They can accumulate in organisms and cause damage even at low concentrations. The document outlines the health effects of several heavy metals like mercury, cadmium, and lead. It also discusses heavy metal contamination of plants, soil, water and indoor environments. Methods for detecting and removing heavy metals include atomic absorption spectrophotometry, chelation therapy and use of absorbents.
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Heavy metals are Globally distributed
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Chromium exists in two forms - trivalent chromium found in foods and supplements which is safe for humans, and hexavalent chromium which is toxic and can cause skin and lung issues. Chromium is used widely in industry and can expose humans through environmental discharge from activities like metal processing, welding stainless steel, leather tanning, and producing chromate. Chromium supplements are taken to help control blood sugar but can interact with some medications. Symptoms of chromium toxicity include gastrointestinal irritation, skin rashes, and lung inflammation from inhalation. Treatment focuses on removing the source of exposure and managing symptoms.
Metal toxicity
Toxicity is a function of solubility. Insoluble compounds as well as the metallic forms often exhibit negligible toxicity. The toxicity of any metal depends on its ligands. Heavy metal toxicity can result in damaged or reduced mental and central nervous function, lower energy levels, and damage to blood composition, lungs, kidneys, liver, and other vital organs.
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This document provides information on heavy metal toxicity. It discusses that heavy metals are naturally occurring elements that can be toxic even in small amounts. It outlines the major sources of heavy metal pollution as mining and processing, industrial and domestic waste, agricultural runoff, and combustion of fossil fuels. Specific heavy metals discussed in detail include lead, arsenic, and mercury. For each metal, the document examines mechanisms of toxicity, signs and symptoms of acute and chronic poisoning, methods of diagnosis, and regulations to prevent heavy metal exposure.
heavy metal
1) The study analyzed heavy metal concentrations in the tissues of 6 fish species from the Mediterranean Sea to understand the relationship between metal accumulation and fish size.
2) Metal concentrations were generally highest in the liver and varied between species, with cadmium levels highest in the liver of Trigla cuculus.
3) A negative relationship was found between metal levels and fish size for most species, though zinc and lead showed a positive relationship with size in Mugil cephalus.
4) The results provide insight into how species differences, tissue types, and size affect heavy metal accumulation in aquatic organisms.
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- Radioisotopes have many medical uses like treating cancer and thyroid disorders. Iodine-131 and cobalt-60 are used for radiation therapy. Tracers like sodium-24 help study blood circulation.
- They also have applications in agriculture like using phosphorus-32 to study plant metabolism, and in archaeology by using carbon-14 for radiocarbon dating to estimate the age of organic artifacts.
- Additional uses include detecting leaks in underground pipes by tracing radioisotopes in water, measuring steel thickness, and studying the wearing rate of engines.
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Cadmium Toxicity.pptx
Cadmium is a toxic heavy metal that occurs naturally and is used industrially. It can cause health effects when inhaled or ingested through contaminated food, water, air or tobacco smoke. Cadmium poisoning can damage the kidneys and bones and cause cancer. It accumulates in the body over time. Diagnosis involves testing urine or blood for cadmium levels. Treatment focuses on chelation therapy to remove cadmium from the body. Prevention efforts include reducing cadmium emissions, promoting recycling to limit industrial exposure, and controlling tobacco use.
Heavy metal and human health
This document discusses heavy metals and their effects on human health. It provides background on heavy metals and lists some of the most hazardous ones, including arsenic, lead, mercury, and cadmium. It discusses factors that affect metal toxicity like dose, duration of exposure, and route of exposure. It then goes into more detail on the sources, absorption, distribution, mechanisms of toxicity, symptoms, diagnosis, and regulations for specific metals like lead, mercury, arsenic, cadmium, and others. The document provides a comprehensive overview of several heavy metals and their impacts on the human body.
Application of radioisotopes in industry
Radiation processing, non-destructive testing, and radiotracer applications are the three main industrial uses of radioisotopes. Radiation processing uses gamma rays, electrons or X-rays to sterilize medical products, hygienize sewage sludge, treat flue gases, and manufacture products like cross-linked polymers. Non-destructive testing techniques like gamma radiography and computed tomography use radiation to detect flaws in materials without damaging them. Radiotracers can be used to measure liquid levels, thickness, and smoke detection.
Cadmium
The document discusses cadmium metabolism and pathogenesis effects. It provides an overview of cadmium, including its discovery, properties, sources of exposure, and industrial applications. Regarding pharmacokinetics, it notes that cadmium is absorbed through inhalation from sources like smoking or smelters (15-50% absorption) and ingestion mainly through foods like meats (6% absorption). Once absorbed, cadmium binds to proteins like albumin and metallothionein and is transported primarily to the liver and kidneys, where 50-75% of the total body burden accumulates over time.
Hg Toxicity
Mercury is a heavy metal that occurs naturally and can be toxic to humans. It exists in elemental, inorganic, and organic forms, with organic mercury posing the greatest risk. Sources of mercury exposure include mining, fossil fuel combustion, industrial manufacturing, and consumption of contaminated fish. Mercury poisoning can cause neurological, kidney, and developmental issues. Symptoms range from rashes and irritability to tremors, impaired vision and hearing, and Minamata disease.
Heavy metals
When scaling elements to be summarized:
Scale all elements as needed by using the "Increase Font Size" and "Decrease Font Size" buttons or manually changing the font size for editable text. Summarize the document in 3 sentences or less.
The document discusses heavy metals, their sources, effects on human health and aquatic ecosystems, and ways to reduce exposure. It defines heavy metals, describes how they accumulate in organisms and biomagnify up the food chain, and explains their health impacts including effects on organs and links to conditions like cancer. Recommendations are provided to minimize exposure to heavy metals such as limiting certain fish and rice consumption, being aware of lead pipes, and stopping smoking.
Heavy Metal Toxicity
This document discusses heavy metal poisoning from metals such as lead, mercury, cadmium, and others. It covers the sources of exposure, pharmacokinetics, symptoms of acute and chronic poisoning, diagnosis, and treatment methods. Heavy metals are absorbed from the environment through water, food, and industrial exposures. They can cause neurological, gastrointestinal, renal and other organ system effects. Diagnosis involves measuring metal levels in blood and urine. Treatments include chelating agents like EDTA and dimercaprol that bind metals and remove them from the body.
Common Heavy Metal Contaminations and Its Hazard
This piece of education slide provide you a general information about 4 Common Heavy Metal Contamination and its Hazard in ground water. It consist of many information that may has advantage to the researcher especially someone who researching on removable of chemical contamination from ground water.
Metal toxicity (Arsenic, Lead, Mercury)
1) Metal toxicity or metal poisoning refers to the toxic effects of certain metals in excessive amounts or certain chemical forms. Some metals are toxic when they form soluble poisonous compounds.
2) Arsenic contamination of groundwater is a major problem in Bangladesh, exposing millions of people. Arsenic is a metalloid that is toxic in its inorganic forms, especially trivalent arsenite which has a slow excretion rate.
3) The factors influencing metal toxicity include the metal properties like solubility and ligands, as well as environmental factors like pH, temperature, and organic substances present. Arsenic toxicity is linked to its interference with cellular respiration and sulfhydryl groups in proteins.
Heavy metals
This document provides information on adverse health effects of heavy metals in children. It discusses sources and routes of exposure to heavy metals like arsenic, cadmium, copper, and thallium. The document describes the mechanisms and clinical effects of heavy metal toxicity and strategies for prevention. It aims to provide an overview of public health impacts, epidemiology, and prevention of heavy metal toxicity in children.
Heavy metals and its effects on plants and environment
Heavy metals are natural constituents of the earth’s crust , but indiscriminate human activities have drastically altered their geochemical cycles and biochemicals balance.
Any toxic metals may be called heavy metals.
Since heavy metals have a propensity to accumulate in selective body organs.
The average safety levels in food or water are often misleading high.
Heavy is any metal or metalloid of environmental concern.
Heavy metals are metallic element that have relatively high density usually greater than 5 g/cm3, or their density is greater than the density of water.
Heavy metals
Heavy metals like lead, mercury, cadmium and arsenic are toxic to human health. They are mainly produced by industrial activities and slowly deposit in surrounding environments. Heavy metals are determined using techniques like atomic absorption spectrophotometry and x-ray fluorescence. Mercury and arsenic exposure can cause various health effects ranging from skin irritation to cancer and death. Control methods include periodic vacuuming, replacing appliances, removing old paints, and using absorbents to remove heavy metals from indoor air.
Heavymetals & living system ppt
This document discusses heavy metals, their properties, effects on living organisms and the environment, and methods for measuring and treating heavy metal toxicity. Heavy metals are naturally occurring but human activities have increased their levels. They can accumulate in organisms and cause damage even at low concentrations. The document outlines the health effects of several heavy metals like mercury, cadmium, and lead. It also discusses heavy metal contamination of plants, soil, water and indoor environments. Methods for detecting and removing heavy metals include atomic absorption spectrophotometry, chelation therapy and use of absorbents.
Heavy metal contamination of global environment
The term heavy metal refers to any metallic chemical element that has a relatively high density and is toxic or poisonous at low concentrations.
Heavy metals are Globally distributed
pollutants
Chromium toxicity
Chromium exists in two forms - trivalent chromium found in foods and supplements which is safe for humans, and hexavalent chromium which is toxic and can cause skin and lung issues. Chromium is used widely in industry and can expose humans through environmental discharge from activities like metal processing, welding stainless steel, leather tanning, and producing chromate. Chromium supplements are taken to help control blood sugar but can interact with some medications. Symptoms of chromium toxicity include gastrointestinal irritation, skin rashes, and lung inflammation from inhalation. Treatment focuses on removing the source of exposure and managing symptoms.
Metal toxicity
Toxicity is a function of solubility. Insoluble compounds as well as the metallic forms often exhibit negligible toxicity. The toxicity of any metal depends on its ligands. Heavy metal toxicity can result in damaged or reduced mental and central nervous function, lower energy levels, and damage to blood composition, lungs, kidneys, liver, and other vital organs.
Heavy metals toxicity
This document provides information on heavy metal toxicity. It discusses that heavy metals are naturally occurring elements that can be toxic even in small amounts. It outlines the major sources of heavy metal pollution as mining and processing, industrial and domestic waste, agricultural runoff, and combustion of fossil fuels. Specific heavy metals discussed in detail include lead, arsenic, and mercury. For each metal, the document examines mechanisms of toxicity, signs and symptoms of acute and chronic poisoning, methods of diagnosis, and regulations to prevent heavy metal exposure.
heavy metal
1) The study analyzed heavy metal concentrations in the tissues of 6 fish species from the Mediterranean Sea to understand the relationship between metal accumulation and fish size.
2) Metal concentrations were generally highest in the liver and varied between species, with cadmium levels highest in the liver of Trigla cuculus.
3) A negative relationship was found between metal levels and fish size for most species, though zinc and lead showed a positive relationship with size in Mugil cephalus.
4) The results provide insight into how species differences, tissue types, and size affect heavy metal accumulation in aquatic organisms.
Radioactivity
- Radioisotopes are unstable isotopes that decay and emit radiation. They can be naturally occurring or artificially produced by bombarding nuclides with particles.
- Radioisotopes have many medical uses like treating cancer and thyroid disorders. Iodine-131 and cobalt-60 are used for radiation therapy. Tracers like sodium-24 help study blood circulation.
- They also have applications in agriculture like using phosphorus-32 to study plant metabolism, and in archaeology by using carbon-14 for radiocarbon dating to estimate the age of organic artifacts.
- Additional uses include detecting leaks in underground pipes by tracing radioisotopes in water, measuring steel thickness, and studying the wearing rate of engines.
Radioactive elements in water
This document discusses radioactivity in drinking water. It notes that minute traces of radioactivity are normally found in all drinking water, with concentrations varying by location. Many natural and artificial radioactive elements and their decay products contribute to this radioactivity. Specifically, potassium-40 is a significant natural contributor. Uranium-238, thorium-232, and their decay products including polonium, radon, and radium isotopes are also widespread natural sources. Radium-226, radium-228, and their daughters pose the greatest health risks. Artificial radioactivity can also come from fallout from nuclear weapons testing. Radioactivity in water can damage tissues, DNA, and increase cancer and birth defect risks. It also
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Heavy metals and its effects on plants and environment
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The document is a proposal for a future urban gallery called Park Artlet. It outlines concepts for the gallery including thinking globally, creating a communal space, incorporating urban art, and infusing the space with greenery. The proposal describes Park Artlet as a design that converts parking spaces into a public space for art, community, and green space. It aims to showcase local creativity and foster innovative collaboration on a global scale.
Activity 9 Team Cadmium
This document provides a communications management plan for a gallery project team. It includes an introduction outlining the purpose and scope of the plan. It then identifies the project coordinator and four team members, and defines their goals and responsibilities. Finally, it outlines the team's communication vehicles including an Asana project management site and IDI forum, project meetings, and reporting and deliverables for tasks, final art, post-mortems, and follow ups.
Cadmium (Jeremy Willett)
Cadmium is a soft, bluish-white metal that was first discovered in 1817 by German chemist Friedrich Strohmeyer while studying calamine. It has several important industrial uses including in nickel-cadmium batteries, as an anti-corrosive coating for steel, and in semiconductors. However, cadmium is also toxic to humans and accumulates primarily in the kidneys, where high levels can lead to kidney failure. While cadmium intake has decreased in recent decades, it remains a concern due to negative health effects. Cadmium is obtained as a byproduct during production of other metals like zinc, copper and lead.
Amelioration the toxic effects of cadmium exposure in nileTilapia (Oreochromi...
Hussein A. Kaoud, Manal M. Zaki, Ahmed R. El-Dahshan,
Sherein Saeid, and Hesham Y. El Zorba (2011): Amelioration the Toxic Effects of Cadmium-Exposure in NileTilapia (Oreochromis Niloticus) by using Lemna gibba L. Life Science Journal, Volume 8,Issue 1, 185-195, 2011.
Wheat: The Grain at the Center of Civilization
Presentation delivered by Dr. Rachel Laudan (Food historian, UK) at Borlaug Summit on Wheat for Food Security. March 25 - 28, 2014, Ciudad Obregon, Mexico.
http://www.borlaug100.org
Ameliorative Potentials of a Combination of Fenugreek and α-tocopherol on Cad...
Ameliorative Potentials of a Combination of Fenugreek and α-tocopherol on Cad...Prof. Hesham N. Mustafa
This study evaluated the protective effects of fenugreek and alpha-tocopherol on cadmium-induced testicular damage in rats. Rats were divided into four groups: a control group, a cadmium chloride group, a cadmium chloride and fenugreek/alpha-tocopherol group, and a fenugreek/alpha-tocopherol only group. The cadmium chloride group showed damage to testicular architecture and depletion of germ cells. However, the combined fenugreek/alpha-tocopherol treatment with cadmium chloride showed an improvement in testicular structure and a partial restoration of the germinal epithelium. Ultrastructural analysis also found mitochondrial damage and vacuol[THVInstitute13] Cadmium at Foundry Cove: An Ecology & Evolution Story
The document provides an overview of a workshop on evolution and ecology being presented by the Changing Hudson Project. The workshop introduces students to how the Hudson River estuary has changed over time through lessons and activities about heavy metal pollution at Foundry Cove and how the mud worm population there evolved resistance to cadmium. Students discuss what they know about evolution, examine how worm populations were affected by the toxic pollution, and learn how natural selection led to the evolution of cadmium-resistant worms through experiments and diagrams. The workshop aims to help students understand local ecological changes and evolutionary adaptation to environmental disturbances.
Activity 10 Team Cadmium
The document outlines the minutes from Team Cadmium's first meeting. Key discussion points included:
- Choosing titles and roles for team members and creating an organizational chart.
- Reviewing and approving a management and communication plan to coordinate work and provide feedback.
- Discussing and establishing rules for setting goals, providing feedback, and conducting post-project reviews.
- Debating various gallery themes and concepts, ultimately agreeing to create a "Future Gallery" that uses signs and elements of different cultures to challenge notions of interpretation and meaning across borders.
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Cadmium toxicity abhi
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CADMIUM.pptxTEXTBOOK ON PHYSICAL CHEMISTRY AND MINERALOGY OF SOILS
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The aim of this study is to synthesis of TKP (MBHPE-TKP) resin for the removal of heavy metals from aqueous solution. Ion exchange resins are polymers that are capable of exchanging particular ions within the polymer with ions in a solution that is passed through them. This ability is also seen in various natural systems such as soils and living cells. The synthetic resins are used primarily for purifying water, but also for various other applications including separating out some elements. Factorial design of experiments is employed to study the effect of above factors pH, time and sorbent used. The new synthesized resins i.e. MBHPE–TKP is hydrophilic and biodegradable, so after effluent treatment used resins can be disposed off without facing any environmental problem .This study focuses on synthesis of new cation exchange resin (MBHPE – TKP) and developing method for treatment of highly contaminated industrial effluents.
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Mini Project 1
Copper cyanide is a white to cream colored powder that is insoluble in water and reacts violently with magnesium. It is poisonous and can cause a number of health effects through ingestion, inhalation, eye and skin contact. First aid measures include flushing eyes and skin with water and seeking immediate medical attention for ingestion or inhalation. It is used in electroplating, mining and other industries but has also caused several accidents through mine collapses releasing cyanide or illegal cyanide trails poisoning the environment. Material safety data sheets are important for logisticians handling hazardous chemicals to safely transport, store and handle them while avoiding exposure.
N S5 Lecture 2 Part 2
The document discusses the cycling of heavy metals like mercury, cadmium, and lead in the environment and their effects on human health. It provides examples of how industrial activities have released these metals into water and food chains, resulting in poisoning diseases in humans. Mercury contamination of fish led to Minamata disease in Japan, while cadmium poisoning from mining activities caused the Itai-Itai disease. Lead exposure occurs from gasoline, paints, batteries, and other sources, increasing levels in the body and negatively impacting the nervous system.
Beryllium and cadmium toxicity
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This document discusses the removal of heavy metals from industrial wastewater using low-cost agricultural waste materials as adsorbents. It begins by introducing the problem of heavy metal pollution from industries like electroplating. It then provides background on adsorption as a method for wastewater treatment and removal of toxins like lead, chromium, and nickel. The document examines the use of inexpensive adsorbents derived from agricultural waste including maize cob, coffee husk, and cashewnut husk to purify industrial effluent in a cost-effective way. In summary, the document explores a natural approach for remediating heavy metal contamination through adsorption onto low-cost adsorbents from agricultural by
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The document discusses the bioaccumulation and biomagnification of heavy metals in organisms and the environment. It specifically examines cadmium and chromium, their sources of environmental contamination, human exposure pathways, and health effects. Cadmium and chromium are persistent pollutants that can build up in organisms over time and biomagnify up the food chain. Cadmium exposure is associated with kidney damage and osteomalacia in humans, while chromium exposure depends on its oxidation state, with hexavalent chromium being a carcinogen that can cause lung cancer and genetic damage.
Newsletter Toxic Jewelry
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Copper Cyanide
Copper cyanide is a hazardous chemical that can cause health effects through ingestion, inhalation, eye and skin contact. It is used in industries like mining, electroplating and metal processing. As a logistician, the material safety data sheet (MSDS) for copper cyanide would be useful for ensuring safe handling and transportation of the chemical, and following proper procedures in case of spills or exposure. The MSDS provides important information on hazards, first aid measures, fire risks and safe handling practices.
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This document discusses toxicities and management of poisonings due to heavy metals such as lead, mercury, arsenic, and iron. It provides details on the symptoms of poisoning from each metal, as well as common chelation therapies used to treat heavy metal poisoning, including dimercaprol, calcium disodium edetate, penicillamine, deferoxamine, and deferiprone. The document emphasizes that heavy metal poisoning can be acute or chronic and the metals may enter the body through ingestion, inhalation, or absorption through skin or mucous membranes.
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Cadmium is a naturally occurring metal that can contaminate rice plants through soil and water. It does not break down in the environment. While acute cadmium toxicity from food is unlikely, long term intake of excessive amounts can impact the kidneys. Dietary exposure is currently the main source of cadmium for most people. A risk assessment found the general population unlikely to experience health issues from dietary cadmium levels in Hong Kong. Standards for cadmium in rice have been set by Mainland China, the EU and Hong Kong to limit human exposure.
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Toxicities and manag. of poisonings (heavy metals)
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cadmium ~ juan
- 1. Cadmium
- 2. BACKGROUND Cadmium (Latin cadmia meaning calamine) a chemical element with the symbol Cd and atomic number 48. Cadmium is a soft, malleable, ductile, bluish-white divalent metal It is a by product of zinc Is similar to zinc and mercury
- 3. BACKGROUND found in some paints, batteries and at other industrial workplaces. Cadmium is absorbed through inhalation of the larger particles of ore or the smaller particles of dust. 25%of ingested cadmium is absorbed and transported by the blood into the liver and kidneys. Cadmium can stay in the blood for up to two years.
- 4. DENTAL CORRELATION PERIODONTITIS Cadmium is released from intra-oral alloys in dental patients and is accumulated in both teeth and oral tissues the intermetallic compound of dental amalgam contains approximately 4.5 μg/g Cd in the metal–matrix alloy. levels of Cd in tooth specimens were significantly higher in samples with dental amalgam fillings. Cd released from dental alloy restorations may influence many aspects of mineralized hard tissue of teeth and their immediate surrounding periodontal tissues. YELLOWING of TEETH Caused by chronic exposure to Cadmium(Cd)
- 5. Itai Itai Disease Itai-itai disease: a form of cadmium poisoning. Female workers from Japan who worked in Battery Factories suffered from Cadmium poisoning, they developed kidney related diseases and osteomalacia.
- 6. Cadmium poisoning 3 STAGES 1. Mild stage - with the renal tubular dysfunction and decreased bone mass. 2. Typical stage - with the severe renal tubular dysfunction and pseudofracture detectable by X-ray examination 3. Serious stage -with severe renal dysfunction and pseudofracture or fracture.
- 7. PREVENTION Do not live near hazardous waste sites or industrial factories that emit cadmium into the air Do not work in a metal smelting and/or refining plant Do not work in a plant that produces cadmium products (batteries, coatings, plastics, pigments)
- 8. TREATMENT Mild Treated as outpatients. They were provided with increased dairy products and given vitamin D tablets. With this treatment, their pain decreased within two months and after four months they were able to return to work. Moderate to severe Kept in the hospital and given shots of vitamin D and taken into the sun as much as possible. After they were discharged, they had to receive vitamin D shots for one to two years. In most cases, patients’ pain subsided after two months and by eight months their bone structure had recovered enough for them to walk again.
- 9. TREATMENT To aid in the removal of cadmium a chelating agent can be used. The agent will help bond the excess metals in the bloodstream which will speed up the removal of the excess cadmium. Hemodialysis can also be used to remove the toxins from the bloodstream.