Physical Sciences and Mathematics Commons^™

Folate Targeted Agents For Diagnostic And Therapeutic Uses, Mekeda Carr

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Folic acid has been frequently exploited for target therapies geared toward overexpressed folate receptors on malignant cells. The folic acid/folate-receptor high affinity interaction can be used to not only target but image cancer cells. Folate-linked nanoparticles represent a potential new drug carrier for tumor cell-selective therapeutics. Folate targeting, nanoparticles in therapeutics, and cancer cell imaging will be outlined in this literature report.

Uhplc In The Analysis Of Drug Components, Rana Chandra Sekhar Reddy Pulagam

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The main objective of this article is to highlight the new trends that have emerged in the enhancement of the HPLC which have given rise to the use of UHPLC. This innovative tool is much more reliable and effective as compared to HPLC, in the investigation of many chemical compounds. In this article, special insight is given on the changes that have been made with regards to both instruments. In this article focus is also placed on the implementation of UPLC in various fields of interest, in order to enhance the processes for which it is utilized. The pros and …

Folic Acid And Its Receptors, Jacqueline Spreadbury

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Folic acid, also known as folate or vitamin B9, is essential for various functions in the human body and life as we know it. Folate is the compound that occurs naturally in food, and folic acid is the synthetic form of this vitamin. Chemically speaking, folic acid has the hydrogen (H+) attached to the compound whereas folate is the conjugate, having lost the hydrogen (H+). Structure, Functions of Folate, Folic Acid in Bacteria, Folate Receptors, and Folic Acid Receptor in Macrophages are discussed in this literature review project. (abstract by OPUS staff)

Literature Search On Using Dendrimer Nanoparticles As Drug Delivery Vehicles, Sivateja Kasaraneni

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The architectural design of dendrimers, multivalency, well-defined molecular weight and higher degree of branching differentiates them as unique and excellent nanocarriers in therapeutic applications such as drug delivery, gene transfection, tumor therapy, imaging and diagnostics. Nanoparticle drug-delivery systems are well known to increase the stability and selectivity of therapeutic agents. However immunogenicity, reticuloendothelial system uptake, drug leakage, cytotoxicity, hemolytic toxicity, poor aqueous solubility restrict the use of these drug delivery systems. These defects are overcame by surface engineering of the dendrimer molecule.

Drug molecule can be efficiently conjugated or encapsulated into the interior of the dendrimer or physically adsorbed onto …

Nih Shift Literature Search, Nicole Owens

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The NIH shift is a chemical shift of substituents in aromatic hydroxylation reactions. The substituents that undergo this shift are hydrogen, halogens, acyl and alkyl groups. It is an important aspect that is a requirement in the hydroxylation of aromatic compounds by monooxygenase enzymes.

The NIH shift or the National Institute of health shift gets its name from the founders of this mechanism. The National Institute of Health was the first to observe this phenomenon in there studies and are the first to report this chemical shift.

Folate Nanoparticle Conjugates, Safwat A. Masood

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The folate receptor is overexpressed on the surface of numerous cancer cell types including those of the breast, lung, kidney, ovary, and brain. Recent interest has exploded in the use of folate to deliver payloads and imaging agents to folate receptor positive cancer cells based on several positive clinical trials including phase III trials of EC-145, which is poised to become the first folate targeted, FDA approved drug. Given the success of EC-145 and numerous other agents in the pharmaceutical pipeline, there remains a great interest in the exploitation of this technology in the delivery of nanoscale agents to folate …

Capture And Analysis Of Cells Using Magnetic Beads, Alexandro Dominguez

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Magnetic separation of cells and bacterium is a fascinating field of study. There are tremendous capabilities in separation, selectivity, and sensitivity. Magnetic separation reduces complex techniques, time consuming preparation, and complicated multistep methods of separation.The separation of cells, bacterium, and macromolecules can be extremely challenging. Fortunately, magnetically tagged cells, bacterium and macromolecules can be easily separated without great expertise. Antibody magnetic micro beads are specific to a cell, bacterium, or macromolecules. Separating a mixture can lead to a better, more accurate analysis of samples that can be crucial in the medical field, therapeutic drug delivery systems, and in some circumstances …

Evaluation And In Vitro Studies Of Folate Peg Biotin And Other Peg Agents, Christopher E. Zmudka

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Folate receptor alpha is a membrane-bound protein displaying high affinity for folic acid. This receptor is believed to serve as a receptor-mediated transport system of folic acid into cancer and cells associated with inflammation. Interesting, most normal cells in the body have little if no high affinity folate receptor alpha. Based on these attributes, folate based drug delivery, imaging systems, and diagnostic systems are in several stages of development worldwide.

Numerous methods have been explored in the literature in an attempt to detect low levels of free folate receptor and/or rare circulating cancer cells. In an attempt to further exploit …

Nanoparticles For Mercury Abatement, Sunil Krishna Thanikanti

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Mercury is considered to be a global contaminant. It does not break down in the environment and can build up in living organisms. Mercury can be carried long distances on wind currents, staying in the atmosphere for long periods of time, when in its vapor form. High mercury exposure results in permanent nervous system and kidney damage. Mercury exists in three different chemical forms: elemental, inorganic, and organic. The routes of exposure can be inhalation, ingestion, or skin contact. Vapor from liquid elemental mercury and methyl mercury are more easily absorbed than inorganic mercury salts and can, therefore, cause more …

Novel Ruthenium Complexes As Photodynamic Therapeutic Agents, Sareen Kumar Kushangari

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This project reviews the literature of novel ruthenium c complexes in photodynamic drug therapy. (Abstract by OPUS staff)

Detection Of Folate Binding Protein, Anwer Unnisa

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Cancer is the second leading cause of death despite the anti cancer developments including hormone therapy, radiotherapy, chemotherapy. Chemotherapy includes use of potent drugs such as camptothecin, paclitaxel and mitomycin. These drugs have an effect which is dose responsive, where the drug exposure and cell kill are proportional. This chemotherapy is high dose and has less selectivity for cancer cells and has more toxic effect to normal cells. Such kind of non specific treatment to tumor is causing hurdles in the treatment of cancer by chemotherapy. To overcome this current limitation to chemotherapy, the anti cancer drug with high specificity …

Purification And Analysis Of Folate Dye Conjugates, Anisha Hari Ganji

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Folate receptors play an important role in drug delivery systems as they are known to increase the potency and reduce toxicity of many cancer therapies. Folate receptors are present in abundance on cancerous tissues more so than on non-cancerous tissues. Folate binds to a variety of drugs that include chemotherapeutic agents, liposomes, radio-imaging agents, immunotherapeutic drugs and the like. Folate has been researched and used over the past decade as it is inexpensive and binds to the folate receptors with high affinity when compared to monoclonal antibodies. Nuclear imaging by SPECT and PET has interested many researchers. Other processes include …

Degree Of Labeling Of Folate-Bsa With Rhodamine Dye, Prathibha Yazala

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Folic acid is a very important vitamin. It is needed by cells for various physiological functions. It plays an important role in growth and multiplication of cells and therefore is needed very much by cancerous cells. One of the ways folate reaches the cells is the folate receptor mediated endocytosis. Therefore folate binding proteins are abundant on cancerous cells. Clinical trials proved that the folate receptor targeted drug delivery is very promising to increase the drug exposure to malignant cells and to reduce the toxicity to healthy cells. It was recently discovered that folate receptor is also over expressed on …