Fractions proceed to pose a important problem for college kids and their lecturers alike. Mathematics training analysis signifies that the problem with fractions might stem from the constraints of part-whole ideas of fractions, which is the central focus of fractions curriculum and instruction within the USA.
Students’ improvement of extra refined ideas of fractions, past the part-whole concept, lays the groundwork for the later examine of vital mathematical subjects, akin to algebra, ratios, and proportions, that are foundational understandings for many STEM-related fields.
In specific, the Common Core State Standards for Mathematicsname for college kids to develop measurement ideas of fractions. In order to assist such ideas, it is very important perceive the underlying psychological actions that undergird them in order that lecturers can design applicable tutorial alternatives.
Description: This kit is a highly sensitive and specific enzyme immunoassay for the detection of Influenza A nucleoprotein antigen in complex sample matrices derived from both human and veterinary sources.
Description: Description of target: Dengue fever, also known as breakbone fever, is an infectious tropical disease caused by the dengue virus andtransmitted by mosquitoes. Dengue fever virus (DENV) is a virus of the family Flaviviridae, genus Flavivirus and contains a single-stranded RNA genome with positive polarity. There are four serotypes of the virus, which are referred to as DENV-1, DENV-2, DENV-3 and DENV-4.The geographical distribution is around the equator, particularly Latin America, Central Africa, India, Southeast Asia, Western Pacific and South of the USA.Dengue viruses are transmitted to humans through the bites of infective female yellow fever mosquitoes (Stegomyia aegypti, formerly Aedes aegypti). The mosquitoes generally acquire the virus while feeding on the blood of an infected person. After virus incubation for eight to ten days, an infected mosquito is capable, during probing and blood feeding, of transmitting the virus for the rest of its life.Yellow fever mosquitoes are well adapted to living in close proximity to humans, and to feeding off people rather than other vertebrates. They prefer to lay their eggs in artificial water containers, such as flower vases, uncovered barrels, buckets and discarded tires.The incubation period ranges from 3-14 days, but most often it is 4-7 days. Typically, people infected with dengue virus are asymptomatic or only have symptoms of a common cold. The characteristic symptoms of dengue are sudden-onset fever (up to 40 C) with intense headache (especially behind the eyes), and muscle and joint pain. In combination with a skin rash this symptoms are known as the „dengue triad“. This usually lasts 3-7 days. In some patients the disease proceeds to a critical phase. Dengue Hemorrhagic Fever (DHF) or Dengue Shock Syndrome (DSS) occur in less than 5 % of all cases of dengue. About 1-5 % of severe cases are fatal. In individual epidemics the case-fatality rate may reach up to 15 %.Infection with one serotype is believed to produce lifelong immunity to that serotype but only short term protection against the others. Secondary infection with a different serotype may result in severe clinical manifestations. There is no vaccination available.;Species reactivity: Human;Application: ;Assay info: Assay Methodology: Quantitative Reverse Capture Sandwich ELISA ;Sensitivity: Sensitivity is determined as the probability of the assay indicating a positive score in samples with the specific analyte present: > 98%
Description: This kit is an enzyme-linked immunosorbent assay for qualitative detection of antibodies to hepatitis B virus core antigen (anti-HBc) in human serum or plasma. It is intended for use in clinical laboratories for diagnosis and management of patients related to infection with hepatitis B virus.
Description: This kit use JEV solid phase antigen to detect specific antibody against JEV antigen, have high sensitivity, specificity, reproducibility, and is easy to operate quickly and used repeatedly.
Description: This kit use NDV solid phase antigen to detect specific antibody against NDV antigen, have high sensitivity, specificity, reproducibility, and is easy to operate quickly and can be used dividually in multiple times.
Description: ssDNA Antibody ELISA kit is a solid phase enzyme immunoassay (ELISA) for the quantitative measurement of IgG class antibodies against single-stranded DNA in human serum or plasma.
Description: MPO Antibody ELISA Kit is an indirect solid phase enzyme immunoassay (ELISA) for the quantitative measurement of IgG class autoantibodies against myeloperoxidase (MPO) in human serum or plasma.
Description: The Kit is an indirect solid phase enzyme immunoassay (ELISA) for the quantitative measurement of IgG class autoantibodies against bovine, porcine and recombinant human insulin in human serum or plasma.
Description: Qualitativeindirect ELISA kit for measuring Chicken H5N1 antibody in samples from serum, plasma, eggyolk. A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Description: Qualitativeindirect ELISA kit for measuring Chicken H5N1 antibody in samples from serum, plasma, eggyolk. Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
Description: Qualitativeindirect ELISA kit for measuring Human Sulfatide antibody in samples from serum. A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Description: Qualitativeindirect ELISA kit for measuring Human Sulfatide antibody in samples from serum. Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
Description: Quantitativesandwich ELISA kit for measuring Human Trichinella antibody in samples from serum, plasma, cell culture supernates, tissue homogenates. A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Description: Quantitativesandwich ELISA kit for measuring Human Trichinella antibody in samples from serum, plasma, cell culture supernates, tissue homogenates. Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
Description: Quantitativesandwich ELISA kit for measuring Human P53 antibody in samples from serum, plasma. A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Description: Quantitativesandwich ELISA kit for measuring Human P53 antibody in samples from serum, plasma. Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
Description: CD anti-HBs ELISA (Quantitative) kit is an enzyme linked immunosorbent assay (ELISA) for in vitro quantitative determination of antibodies to hepatitis B virus surface antigen (anti-HBs) in human serum or plasma for clinical purposes and assessing antibody response levels to HBsAg-vaccine.
Description: This anti-HBc IgM kit is an enzyme-linked immunosorbent assay (ELISA) for qualitative determination of IgM class antibodies to hepatitis B virus core antigen in human serum or plasma. It is intended for use in clinical laboratories for diagnosis and management of patients related to infection with hepatitis B virus.
Description: Anti-TP ELISA is an enzyme-linked immunosorbent assay for qualitative determination of antibodies to Treponema Pallidum in human serum or plasma samples. The assay is intended to be used in clinical laboratories for diagnosis and management of patients related to infection with Treponema Pallidum.
Description: This kit use PTS solid phase antigen to detect specific IgG antibody against PTS antigen, have high sensitivity, specificity, reproducibility, and is easy to operate quickly and can be used in multiple times.
Description: The Human SSA Antibody ELISA kit is designed to detect and quantify the level of human SSA Antibody in cell culture supernatant, serum, plasma and tissue.
Description: The Human SSB Antibody ELISA kit is designed to detect and quantify the level of human SSB Antibody in cell culture supernatant, serum, plasma and tissue.
Description: The Human ssDNA Antibody ELISA kit is designed to detect and quantify the level of human ssDNA Antibody in cell culture supernatant, serum, plasma and tissue.
Description: The Human SP100 Antibody ELISA kit is designed to detect and quantify the level of human SP100 Antibody in cell culture supernatant, serum, plasma and tissue.
Description: The Human NUP210 Antibody ELISA kit is designed to detect and quantify the level of human NUP210 Antibody in cell culture supernatant, serum, plasma and tissue.
Description: The Human CCP Antibody ELISA kit is designed to detect and quantify the level of human CCP Antibody in cell culture supernatant, serum, plasma and tissue.
Description: Anti-Histone is an indirect solid phase enzyme immunoassay (ELISA) for measurement of IgG class autoantibodies to histone in human serum or plasma.
Description: Anti-Sm is an indirect solid phase enzyme immunoassay (ELISA) for the quantitative measurement of IgG class autoantibodies against Sm in human serum or plasma.
Description: The Transglutaminase Antibody IgG ELISA Kit is an indirect solid phase enzyme immunoassay (ELISA) for measurement of IgG class autoantibodies against tissue Transglutaminase (tTG) in human serum or plasma.
Description: The Sperm Antibody ELISA is a reliable and quantitative test for the determination of antibodies directed against human spermatozoa. This test is intended for the use with serum.
Description: A competitive ELISA for quantitative measurement of Goat Sulfatide antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Sulfatide antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Sulfatide antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Thrombopoietin antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Thrombopoietin antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Thrombopoietin antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Erythropoietin antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Erythropoietin antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Erythropoietin antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Endometrium antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Endometrium antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Endometrium antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Endostatin antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Endostatin antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Endostatin antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Elastin antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Elastin antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Elastin antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Cysticercosis antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Cysticercosis antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Cysticercosis antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Goat Thyroid antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Goat Thyroid antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Goat Thyroid antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Trichinella antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Trichinella antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Trichinella antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Goat Thyroglobulin Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Goat Thyroglobulin Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Goat Thyroglobulin Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Goat Toxoplasma Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Goat Toxoplasma Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A sandwich ELISA for quantitative measurement of Goat Toxoplasma Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Melanocyte antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Melanocyte antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Melanocyte antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Leptin Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Leptin Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Goat Leptin Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Rabbit Antiphospholipid Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Rabbit Antiphospholipid Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Rabbit Antiphospholipid Antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Rabbit Antiplatelet antibody in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
×
In this examine, we suggest a studying progression for the measurement concept of fractions-one that focuses on college students’ psychological actions and informs tutorial design.A hierarchy of fraction schemes is charted outlining a progression from part-whole ideas to measurement ideas of fractions: (a) part-whole scheme (PWS), (b) measurement scheme for unit fractions (MSUF), (c) measurement scheme for correct fractions (MSPF), and (d) generalized measurement scheme for fractions (GMSF).
These schemes describe ideas with specific consideration to the psychological actions that undergird them. A synthesis of earlier research supplies empirical proof to assist this studying progression.Evidence from the synthesis of a collection of analysis research means that youngsters’s measurement concept of fractions develops via a number of distinct developmental levels characterised by the development of distinct schemes.
The psychological actions related to these schemes present a information for lecturers to design tutorial alternatives for kids to advance their building of a measurement concept of fractions. Specifinamey, the gathering of quantitative research recommend that college students want alternatives to have interaction in actions that assist two sorts of coordinations-the coordination of partitioning and iterating, and the coordination of three ranges of models inherent in fractions. Instructional implications are mentioned with instance duties and actions designed to impress these coordinations.
Learning progression toward a measurement concept of fractions.
The Potential of Menstrual Blood-Derived Mesenchymal Stem Cells for Cartilage Repair and Regeneration: Novel Aspects.
Menstrual blood is a distinctive physique fluid that incorporates mesenchymal stemcells (MSCs). These cells have attracted a nice deal of consideration resulting from their distinctive benefits together with quick access and ceaselessly accessible pattern supply and no want for advanced moral and surgical interventions, as in comparison with different tissues.
Menstrual blood-derived MSCs possess all the most important stemcell properties and even have a higher proliferation and differentiation potential as in comparison with bone marrow-derived MSCs, making them a perspective device in a additional scientific follow.
Although the potential of menstrual blood stemcells to distinguish into a massive selection of tissue cells has been studied in lots of research, their chondrogenic properties haven’t been extensively explored and investigated. Articular cartilage is vulnerable to traumas and degenerative illnesses, akin to osteoarthritis, and has poor self-regeneration capability and subsequently requires more practical therapeutic method.
MSCs appear promising candidates for cartilage regeneration; nevertheless, no clinically efficient stemcell-based restore methodology has but emerged. This chapter focuses on research within the discipline of menstrual blood-derived MSCs and their chondrogenic differentiation potential and suitability for software in cartilage regeneration. Although a very restricted quantity of research have been made on this discipline to date, these cells would possibly emerge as an environment friendly and simply accessible supply of multipotent cells for cartilage engineering and cell-based chondroprotective remedy.
