blood urine Articles
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Analysis of Whole Blood for Trace Lead (Pb) by Graphite Furnace AAS
Toxic effects from heavy metals (Pb, As, Se, Cd, Bi, Sn, Tl, and Hg) have been characterized in medical literature for decades. Originally, complex extractions were performed to isolate the poisonous components from the complex biological matrices: blood, serum, urine and tissues. Recently, optical emission and atomic absorption spectroscopy techniques were developed to determine these ...
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Utility of check dams in dilution of fluoride concentration in ground water and the resultant analysis of blood serum and urine of villagers, Anantapur District, Andhra Pradesh, India
High levels of fluoride (beyond 1.5 ppm) in ground water as source of drinking water are common in many parts of Andhra Pradesh, India, causing fluorosis. The study carried out in endemic Nalgonda District, Andhra Pradesh, has indicated that the fluoride-rich ground water present in the wells located down stream and close to the surface water bodies is getting diluted by the low-fluoride surface ...
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Composition of essential and non-essential elements in tissues and body fluids of healthy subjects and patients with colorectal polyps
This study was devoted to the quantification of 21 metals (Al, Ba, Ca, Cd, Co, Cr, Cs, Cu, Fe, Hg, Li, Mg, Mn, Mo, Ni, Pb, Se, Sn, Sr, V and Zn) in the colorectal tissue of 52 healthy subjects, 31 patients with polyps and 21 post-operated patients, and in blood, serum and urine of all subjects. Tissues of healthy subjects had a content of metals similar to those of post-operated patients and to ...
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Characterization of trenbolone acetate and estradiol metabolite excretion profiles in implanted steers
Exogenous growth promoters have been used in United States beef cattle production for over 50 years. The environmental fate and transport of steroid growth promoters suggest potential for endocrine disrupting effects among ecological receptors; however, the initial excretion of steroid metabolites from cattle administered growth promoters has not been well characterized. To better characterize ...
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The Functions and Roles of Enzymes
Catalysis Enzymes are a class of biological catalysts. They govern many catalytic processes such as metabolism, nutrition, and energy conversion of organisms. Most of the reactions closely related to life processes are enzyme-catalyzed reactions. These properties of the enzyme enable the intricate process of material metabolism in the cell to proceed in an orderly manner, and to adapt material ...
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What Are the Applications of Enzymes in Disease Research and Treatment?
With the development of biotechnology in the modern information age, the research, development and utilization of enzymes have become more and more in-depth, and correspondingly, the application of enzymes in medicine has become more and more extensive. 1. The relationship between enzymes and certain diseases The diseases caused by the lack of enzymes in the human body are mostly congenital or ...
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Impact of feeding flaxseed oil on delaying the development of osteoporosis in ovariectomised diabetic rats
This work is aimed to study the effect of diabetes on bone health and to evaluate the impact of feeding flaxseed oil on delaying osteoporosis. About 70 female albino rats were included; 30 were ovariectomised (ovx). Experimental diabetes was induced. Rats were classified in groups as control, sham, diabetic, diabetic received flaxseed oil in the diet, ovx, ovx-diabetic and ovx-diabetic received ...
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Lead in finger bone, whole blood, plasma and urine in lead-smelter workers: extended exposure range
Objectives: To assess the historical exposure and to study the relationships between lead concentrations in whole blood (B-Pb), plasma (P-Pb), urine (U-Pb), finger bone (Bone-Pb) and duration of employment in workers at a secondary lead smelter and to compare the relationships between B-Pb and P-Pb with results from previous studies of populations with a wide range of lead exposure. Methods: In ...
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Technical Hints and Tips for Optimal Performance of your Loeser Osmometer
General function and description: The sample (serum, blood, urine or any other aqueous solution) is filled in a plastic sample tube and cooled via a Peltier element. These are semiconductor devices, which become cold on one side and warm on the other when electrical current flows through. The cold side cools the sample whilst the heat from the warm side dissipates into the air by convection. ...
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Exploring the Intricate Link Between Bile Acids and Disease
Bile acids are synthesized in the liver from cholesterol as a raw material. As a natural "emulsifier", they can promote the dissolution, digestion and absorption of fats, fat-soluble vitamins, etc. Meanwhile, as an important signaling molecule, bile acids can activate the relevant receptors to maintain the homeostasis of hepatic glucose and lipid metabolism, and interact with gut bacteria to ...
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A Detailed Introduction to Exosome Proteomics
What are exosomes? Exosomes, a tiny membrane vesicle with a lipid bilayer structure, are secreted by most cells and are approximately 40-200 nm in diameter. exosomes are found in body fluids, including blood, saliva, urine and breast milk. exosomes of different tissue origins differ in content composition and function, and this difference is dynamically regulated by the extracellular matrix and ...
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What Is Metabolomics?
Metabolism is the assembly of biochemical reactions in living organisms, the material basis for life maintenance of living organisms, and an important basis for the study of life activities. Metabolomics studies the endogenous metabolic activities of life under the influence of the internal and external environments, including the detection and analysis of metabolite types and quantities and ...
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Biorepository Safety
What is a Biorepository? A biorepository, or "biobank", is a specialized facility designed to store, archive, and distribute biological samples for research or clinical purposes. Biorepositories house biological samples, such as blood, plasma, urine, saliva, tissues, DNA, and organs, among other specimen types, collected from consenting individuals. Critical associated information, including ...
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Classification and Function of Amylase
Amylase (AMS), also known as 1,4-α-D-glucanohydrolase, is a general term for enzymes that hydrolyze starch and glycogen. The main function of amylase is to break down starch to produce simple sugars such as fructose, maltose, glucose and dextrin. Amylases are also used in food and beverage processing and other industries. Classification of amylases 1. Alpha-amylase Alpha-amylase is mainly ...
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Monlab SL uses iPeak+ to obtain rapid results in drug testing
Monlab SL is a company dedicated to the service of the clinical diagnostic laboratory. They are providing a service according to the needs of hospitals, faculties, research centers, and clinical analysis. One of their business units is the marketing of reliable individual and multipanel blood and urine lateral flow tests. Monlab SL was looking for a reader that would analyze their lateral flow ...
By IUL S.A.
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World Immunization Week: Taming Latent Viruses for Longer Lives
The World Health Organization created World Immunization Week to highlight global collective action and promote the use of vaccines that keep all of us protected against disease. This year, the theme is “Long Life for All: In pursuit of a long life well lived.” The COVID-19 pandemic demonstrated the criticality of mRNA vaccines as a tool for quickly and effectively battling ...
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Chronic wasting disease outbreak across america
CWD (Chronic Wasting disease) is spreading in the United States. It is an infectious disease affecting deer and elk, leaving them ‘zombie like’, according to experts. CWD has already spread to 24 US states as of August 2019. The disease has been seen to affect animals such as reindeer, moose, elk and various deer species. It has been found in free-ranging deer and elk as well as ...
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Biochemical and Clinical Applications of Glucose Oxidase (GOD)
Glucose oxidase (GOD) is a typical oxidoreductase found in honey and molds such as Penicillium notatum. It can highly specifically catalyze the β-D-glucose reaction to generate gluconic acid, which has the function of converting glucose and removing oxygen. Since GOD can quantitatively generate hydrogen peroxide, it is widely used in the field of biochemistry and clinical examination as a ...
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Everything You Want to Know About Horseradish Peroxidase
Peroxidase, usually derived from horseradish, is a common enzyme used in clinical testing reagents. It is widely used not only in several biochemical assays but also in immunoassay (ELISA) kits. As a key component of the color development system of several kits, peroxidase has an important impact on the quality of the kits. Horseradish peroxidase (HRP) is the most commonly used enzyme because ...
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Mass Spectrometry-Based Metabolomics
As a powerful tool for the qualitative and quantitative study of small molecules (metabolites) in biological samples, metabolomics has become a major tool for annotating gene functions and revealing various endogenous physiological and biochemical reactions produced by cells after exogenous stimuli in various research fields, including life sciences, disease diagnosis, drug development, ...
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