31 hasil untuk "Hamid Rashedi"
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Artikel Jurnal Teks lengkap
Indigenous production of biosurfactant and degradation of crude oil
The present study investigated the isolation and identification of biosurfactant producing bacteria from Iranian oil wells. The biosurfactant production of bacteria isolates was evaluated and confirmed using hemolysis and emulsification tests. The biodegradation of crude oil was studied using GC…
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Numerical Analysis of the Reaction-diffusion Equation for Soluble Starch and Dextrin as Substrates of Immobilized Amyloglucosidase in a Porous Support by Using Least Square Method
In this study, substrates concentration profile has been studied in a porous matrix containing immobilized amyloglucosidase for glucose production. This analysis has been performed by using of an analytical method called Least Square Method and results have been compared with numerical solution…
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Role of Crisis Management in Reducing Socio-Psychological Vulnerabilities after Natural Disasters (Case study: Citizens of Bam City)
Natural disasters in various forms have been identified as destructive phenomena during the life of earth planet and are also a serious threat to the inhabitants of the planet. Therefore, this issue leaded to the formation of a process called crisis management which includes activities occurring…
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PVC membrane and All-Solid-Sate Sensor for the Potentiometric Analysis of Trimipramine
Two symmetrical and asymmetrical potentiometric membrane electrodes were developed and evaluated for the analysis Trimipramine (TMP). The symmetrical electrode was a poly(vinyl chloride) (PVC) membrane electrode (PME), a similar membrane of which was further used on an all-solid-state (ASS)…
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Design of lightweight oil-well cement slurries incorporating D-124 microspheres and glass bubbles for low-temperature applications
Lightweight cement (LWC) systems are essential for ensuring good integrity in low-pressure, low-temperature, and gas-prone formations, where conventional cement slurries often lead to lost circulation, gas migration, and insufficient early strength. In this study, four types of LWC formulations…
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Optimization of the Production of Biosurfactant by Psuedomonas aeruginosa HR Isolated from an Iranian Southern Oil Well
In this study 152 bacterial strains were isolated from the contaminated oils in the southwest of Iran. Hemolysis was used as a criterion for the primary isolation of biosurfactant producing-bacteria. Fifty five strains had haemolytic activity , among them tweleve strains were good biosurfactant…
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Nanocomposite Hydrogels: A Promising Approach for Developing Stimuli-responsive Platforms and their Application in Targeted Drug Delivery
Introduction: With the development of hydrogels from half a century ago, their application in various medical fields, including drug delivery has been widely expanded. Hydrogels used in this field are produced with synthetic polymers such as polyvinylpyrrolidone, polyvinyl alcohol, or natural…
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Artikel Jurnal Teks lengkap
Design of a Novel Electrochemical Nanobiosensor for the Detection of Prostate Cancer by Measurement of PSA Using Graphene-based Materials
In this work, an aptamer-based electrochemical nanobiosensor has been developed for early detection of prostate cancer. Prostate-specific antigen (PSA) is the most common marker of prostate cancer, and this study aimes to detect this biomarker through electrochemical nanobiosensor-based aptamer…
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Artikel Jurnal Teks lengkap
Photocatalytic Decomposition of Ethylbenzene in Air using TiO2 Nano-catalysts in an Annular Photoreactor
The contaminated environment by various pollutants in the last decades is a serious concern for the governments and human societies all over the world. Volatile Organic Compounds (VOCs), emitted from a wide range of industries, are among such pollutants which can easily move in the air due to their…
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Advancements in tissue and organ 3D bioprinting: Current techniques, applications, and future perspectives
3D bioprinting techniques have emerged as a flexible tool in tissue engineering and regenerative medicine to fabricate or pattern functional 3D bio-structures with precise geometric designs, bridging the divergence between engineered and natural tissue constructs. A significantly increasing…
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P3HB from CH4 using methanotrophs: aspects of bioreactor, fermentation process and modelling for cost-effective biopolymer production
P3HB (poly-β-hydroxybutyrate), an energy-storage compound of several microorganisms, can be used as bioplastics material. P3HB is completely biodegradable under aerobic and aerobic conditions, also in the marine environment. The intracellular agglomeration of P3HB was examined employing a…
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Synthesis and Evaluation of Lipid-based Nanoparticle Containing Ginger Extract against Aspergillus Species
Introduction: Loading the active ingredients of medicinal plants in lipid nanoparticles reduces the reaction of the active substance with the surrounding environment, such as water and oxygen, and reduces the intensity of transmission or evaporation to the external environment. In this study…
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Long-Term Stable Fabrication of a Nanocomposite Tm(III) Sensor Containing Nanographene/Nanosilica/RTIL/Ionophore
Given the results of our previous study indicating a relatively strong interaction between 2,2’-dianilinedisulfide (DADS) and Tm(III) ions, the ligand was incorporated as a sensing material into a nano-composite carbon paste electrodes composed of nanographene (NG), nanosilica (NS), and a room…
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Chitosan nanocarriers: Pioneering encapsulation and targeted delivery of 5-fluorouracil - A comprehensive review
5-Fluorouracil (5FU) is a common chemotherapy drug for various cancers. It has exhibited large potentials for the treatment of both malignant and premalignant tumors. In the meantime, topical application of 5FU has been limited to surface pre-carcinogenic tumors. So far, a number of nano systems…
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A novel pH-responsive nanocarrier using polyvinyl alcohol/starch/molybdenum disulfide loaded with quercetin for breast cancer therapy
In recent years, nanotechnology-based cancer therapies have significantly advanced, showing potential as an alternative to traditional treatments, such as chemotherapy. Despite this progress, the low solubility of quercetin (QC) as an anticancer drug may limit its bioavailability and therapeutic…
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Thulium Selective Sensor based on Nanographene/RTIL/Ionophore/Graphite
In this work, nanographene was used as a proper nano-material to modify the composition of carbon paste electrode. Because of a selective interaction between 4-methyl-1,2-bis(2-pyridinecarboxamido) benzene (MPB) and thulium ions identified by our previous work, MPB was incorporated as a sensing…
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Fluoxetine Determination by PVC membrane and Nano-Composite Carbon Paste Electrodes
Fluoxetine is one of the most prescribed antidepressant drug. Two kinds of potentiometric sensor were made for determination of fluoxetine. Both sensors respond based on ion-exchange mechanism. In construction of two electrodes fluoxetine-tetraphenylborate ion-pair was used as a sensing element…
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RETRACTED: Preparation of a pH‐responsive chitosan‐montmorillonite‐nitrogen‐doped carbon quantum dots nanocarrier for attenuating doxorubicin limitations in cancer therapy
Abstract Despite its widespread usage as a chemotherapy drug in cancer treatment, doxorubicin (DOX) has limitations such as short in vivo circulation time, low solubility, and poor permeability. In this regard, a pH‐responsive chitosan (CS)‐ montmorillonite (MMT)‐ nitrogen‐doped carbon quantum dots…
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PVC Membrane Sensor and Wire Coated Electrode for Determination of Flurazepam
Flurazepam is a benzodiazepine derivative which possesses anxiolytic, anticonvulsant, sedative and skeletal muscle relaxant properties. This research introduces two kinds of PVC membrane sensor (symmetric and asymmetric) for determination of flurazepam (FLZ) in pharmaceutical formulation. For the…