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Articles 1 - 10 of 10
Full-Text Articles in Physical Sciences and Mathematics
Literature Search On Using Dendrimer Nanoparticles As Drug Delivery Vehicles, Sivateja Kasaraneni
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 …
Characterization Of Polymeric Phthalocyanine Nanoparticles Using Dynamic Light Scattering Laser, Satish Kumar Murarishetty
Characterization Of Polymeric Phthalocyanine Nanoparticles Using Dynamic Light Scattering Laser, Satish Kumar Murarishetty
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The objective of this study is to use DLS (Dynamic Light Scattering) to analyze polymeric copper phthalocyanine nanoparticles (CuPcNPs). CuPcNPs are synthesized in order to facilitate drug penetration of bacterial biofilms for the treatment of chronic wounds. Microorganisms that reside inside the biofilms of chronic wounds are very resistant to any kind of treatment, even to the host’s own immune system. Therefore we have proposed an alternative method to destroy the microorganisms existing within the biofilms. Photodynamic anti-bacterial chemotherapy (PACT) has received much attention for the past decade due to the multi-drug resistant strands. PACT uses photons, a photosensitizer, and …
Nano Encapsulated Drug Delivery For Biofilms, Arunakanth Chavala
Nano Encapsulated Drug Delivery For Biofilms, Arunakanth Chavala
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Biofilms are now considered ubiquitous in the natural world. Bacterial biofilms have been observed to be extremely heterogeneous, both structurally and with regard to the physiology of the bacterial cells within them. The prevailing conceptual model depicts bacterial biofilms as being made up of microcolonies, which serve as the basic unit of the greater biofilm structure. A major concern with this approach is the frequently observed development of resistance to antimicrobial compounds. A number of elements in the process of biofilm formation have been studied as targets for novel drug delivery technologies. The present study aimed to penetrate biofilm by …
Using Photoactive Nanoparticles As Photodynamic Antimicrobial Chemotherapeutic (Pact) Agent To Treat Chronic Wounds, Chaitanya Poola
Using Photoactive Nanoparticles As Photodynamic Antimicrobial Chemotherapeutic (Pact) Agent To Treat Chronic Wounds, Chaitanya Poola
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The purpose of this study is to use photoactive vitamin nanoparticles as photodynamic antimicrobial chemotherapeutic agent to treat patients with chronic wounds. Chronic wounds are considered as a pandemic health problem which affects millions of people and increases ~10 % annually. According to the American Academy of Dermatology, the expense of treating chronic wounds constitutes over half of the total cost for all skin diseases. The main cause of chronic wounds is due to the existence of biofilms. Biofilms are complex microbial communities containing and are reported to be major factor contributing to multiple chronic inflammatory diseases. Owing to bacterial …
Novel Ruthenium Complexes As Photodynamic Therapeutic Agents, Sareen Kumar Kushangari
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
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 …
Using Photoactive Vitamin Nanoparticles As Photodynamic Antimicrobial Chemotherapeutic (Pact) Agents To Treat Chronic Wounds, Rahul A. Khanke
Using Photoactive Vitamin Nanoparticles As Photodynamic Antimicrobial Chemotherapeutic (Pact) Agents To Treat Chronic Wounds, Rahul A. Khanke
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The objective of the proposed study is to develop new materials and methods to manage microbial growth in chronic wounds using phototherapy. Chronic wounds are considered as a worldwide health problem. The most common chronic wounds can be classified into three categories: venous ulcers, diabetic ulcers, and pressure ulcers. Venous ulcers, which usually occur in the legs, account for about 70% to 90% of chronic wounds and can become infected easily. Venous ulcers are sores that develop after veins in the legs have been damaged. These ulcers can penetrate deeply into the skin. Occasionally, if a venous ulcer persists for …
Solvent Effects On Emission Spectra Of Carminic Acid And Determination Of Its Ground And Excited State Dipole Moments, Sarika B. Jaggannagari
Solvent Effects On Emission Spectra Of Carminic Acid And Determination Of Its Ground And Excited State Dipole Moments, Sarika B. Jaggannagari
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Absorption and fluorescence emission spectra of Carminic acid were recorded in solvents with different solvent parameters like polarities, dielectric constant and refractive index. The solvents used in the experiment were water, DMSO, acetonitrile, methanol, propanol and butanol. The atomic radius of the molecule was found out using Hartree-Fock method in molecular modeling using Spartan software and it is applied to find out the dipole moments. The dipole moments of Carminic acid in the ground state and excited states have been determined and Solvatochromic shift method has been used to determine the excited state dipole moments. The linear progressions were made …
Ruthenium Complexes As Dna Photonucleases In Treatment Of Malignant Skin Carcinoma, Devi Kalyan Karumanchi
Ruthenium Complexes As Dna Photonucleases In Treatment Of Malignant Skin Carcinoma, Devi Kalyan Karumanchi
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A variety of Ruthenium complexes possessing terpyridine complexes as ligands in their coordination sphere have been investigated extensively as DNA photo nucleases in vitro. This work has led to the realization that compounds of Ruthenium bind to DNA purines and that the interactions are of an unprecedented bridging variety. Owing to the molar absorptivity of these complexes in the visible region, direct cleavage of duplex DNA by these complexes requires irradiation in the range of 400-500 nm.
Although the observation of DNA photo cleavage in vitro makes these systems good candidates for further investigation, it does not provide any information …
Labeling Of Folic Acid On Bovine Serum Albumin, Hari Krishna Kosuri
Labeling Of Folic Acid On Bovine Serum Albumin, Hari Krishna Kosuri
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Recent Clinical research focused mainly on the therapeutic safety which mainly involves the avoidance of toxicities. To prevent the toxicities, site targeted drugs are improved which exhibit their therapeutic action on the specific target or the diseased target without disturbing the healthy cells. Folic acid, a natural Vitamin (Vit B9) has shown promising results in site specificity mainly in the cancer cells where they are abundantly present.
Folic acid is of great importance because of the promising results of several clinical trials which demonstrate that Folic acid increases the potency and simultaneously reducing the toxicity of the cancer therapies. Various …