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Characterisation of Nanoporous Gold for Use in a Dissolved Oxygen Sensing Application
Springer Science and Business Media LLC - Tập 5 - Trang 55-63 - 2015
K. Twomey, L. C. Nagle, A. Said, F. Barry, V. I. Ogurtsov
A nanoporous gold (NPG) microdisc array in a three-electrode electrochemical cell arrangement has been fabricated and characterised for a dissolved oxygen sensing application. The device will be used for monitoring of drinking water quality in rural communities in India, where there is a need for a miniaturised, low-cost dissolved oxygen sensor. The NPG microdisc array exhibits improved electroche...... hiện toàn bộ
Effective Release of Ciprofloxacin and Rifampicin Antibiotics from Alginate-Chitosan Complex and Its Application Against Clinical Strains of Staphylococcus aureus
Springer Science and Business Media LLC - - Trang 1-15 - 2023
Armin Nejabatdoust, Seyyed Danial Mirmiran, Ali Salehzadeh, Farzaneh Reza Masouleh
The aim of this study was to characterize the antimicrobial and antibiofilm activities of ciprofloxacin (CIP) and rifampicin (RMP) loaded on a calcium alginate (CaAlg) scaffold via electrostatic interaction of CaAlg/antibiotic (s) and chitosan-TPP nanoparticles (Cs-TPP NPs). The identification of the shape and functional groups was carried out using scanning electron microscope (SEM) and Fourier t...... hiện toàn bộ
Tyrosinase Multilayer-Functionalised Carbon Nanotubes as Electrochemical Labels: Application To Immunoassay
Springer Science and Business Media LLC - Tập 4 - Trang 240-250 - 2014
Porramate Chumyim, Patsamon Rijiravanich, Mithran Somasundrum, Werasak Surareungchai
We have modified carboxylic acid-functionalised multi-walled carbon nanotubes (MWNTs) with multilayers of tyrosinase/polyallylamine using a layer-by-layer process. Based on optical determination, each tyrosinase deposition coated approximately three layers of enzyme onto the nanotubes. Based on kinetic analysis of the steady-state current of the modified MWNTs to catechol, the minimum value of k ...... hiện toàn bộ
Influence of Surfactant-Based Polymer as Micellar Carrier on Dissolution Properties and Oral Bioavailability of Abiraterone Acetate
Springer Science and Business Media LLC - Tập 13 - Trang 1779-1789 - 2023
Komal Parmar, Rajendra Patel
Abiraterone acetate is a novel antiandrogen drug indicated for prostate cancer. However, it suffers from low bioavailability owing to poor dissolution properties. The present work was aimed to develop abiraterone acetate nano-micelles to improve its dissolution properties and oral bioavailability. Film hydration method was employed to fabricate the abiraterone acetate nano-micelles. Impact of vari...... hiện toàn bộ
Bioelectrochemical Systems as Technologies for Studying Drug Interactions Related to Cytochrome P450
Springer Science and Business Media LLC - Tập 9 - Trang 79-86 - 2018
Victoria V. Shumyantseva, Anna A. Makhova, Evgenia V. Shikh, Tatiana V. Bulko, Alexey V. Kuzikov, Rami A. Masamrekh, Tatyana Shkel, Sergey Usanov, Andrei Gilep, Alexander I. Archakov
The electrocatalytic activity of cytochrome P450 3A4 as the main enzyme of drug metabolism was studied. Cytochrome P450 electrodes allowed to register 10−11–10−12 mol of enzyme/electrode. The study has shown that the developed electrochemical systems based on cytochromes P450 are effective non-invasive models for the analysis of drug–drug interactions at the level of biotransformation of xenobioti...... hiện toàn bộ
Synthesis and Characterization of Fe3O4 Nanoparticles Using Prunus serrulata Leaf Extract
Springer Science and Business Media LLC - - 2023
Hüseyin Şengönül, Oktay Demircan
The interest in the green synthesis of nanoparticles has significantly increased in the last decade as an alternative approach to chemical nanoparticle synthesis. Green synthesis is a technique that produces highly valuable matter by minimizing hazardous chemicals and using environmentally friendly, low-cost, and energy-saving materials, such as plant-based, industrial wastes, and recycled substan...... hiện toàn bộ
Nghiên cứu quang học về ảnh hưởng của bức xạ gamma và kim loại nặng lên vi sinh vật (vi khuẩn) Dịch bởi AI
Springer Science and Business Media LLC - Tập 4 - Trang 180-188 - 2014
M. Al-Shanawa, A. Nabok, A. Hashim, T. Smith, S. Forder
Ô nhiễm radionuclide và kim loại nặng là mối quan tâm chính cho môi trường hiện nay, khi hàng ngàn bãi rác trên toàn thế giới đang đe dọa nghiêm trọng đến tất cả các sinh vật sống và con người, đặc biệt là. Do đó, trọng tâm của nghiên cứu này là phát triển các công nghệ cảm biến mới để phát hiện radionuclide và kim loại nặng trong nước bằng cách sử dụng vi sinh vật. Một số phương pháp quang học, t...... hiện toàn bộ
#radionuclide #kim loại nặng #bức xạ gamma #vi sinh vật #E. coli #D. radiodurans
Concurrent Development of Thermal Energy with Magnetic Field on a Particle-Fluid Suspension Through a Porous Conduit
Springer Science and Business Media LLC - Tập 9 - Trang 186-202 - 2018
I. M. Eldesoky, Sara I. Abdelsalam, W. A. El-Askary, M. M. Ahmed
The impact of heat transfer on the magnetohydrodynamic peristaltically induced motion in a channel through porous medium has been investigated. The continuity, momentum, and energy equations have been utilized to represent the flow in a closed form. These non-linear governing equations are solved analytically by employing the perturbation method. The obtained expressions for streamlines, temperatu...... hiện toàn bộ
Physico-chemical Characterization and Biosafety Evaluation of Atorvastatin Nanocapsules Co-encapsulated with Ginger Oil or Grape Seed Oil
Springer Science and Business Media LLC - Tập 13 - Trang 2418-2432 - 2023
Gabriel Pedroso Vicozzi, Luiz Torres Neto, Flávia Suelen De Oliveira Pereira, Ingrid Mullich Flesch, Caroline Portela Peruzzi, Daiana Silva de Avila, Solange Cristina Garcia, Letícia Marques Colomé, Eduardo André Bender
Cardiovascular diseases are one of the major causes of deaths around the world. The leading cause is related to high cholesterol levels; therefore, controlling these levels has been a successful strategy. Among the drugs used for this purpose, atorvastatin (ATV) has great efficacy; however, some side effects reduce patient adhesion. In this context, the development of ATV polymeric nanocapsules co...... hiện toàn bộ
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