Biological fluids
Direct deposition of gas phase generated aerosol gold nanoparticles into biological fluids--corona formation and particle size shifts.
... Figure 2 shows a conceptual scheme of the generation of agglomerate and sintered AuNPs. The heating of bulk material generates a saturated metal vapor. Upon cooling, the vapor immediately nucleates, followed by ...
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Voltammetric determination of metals in waters and biological fluids using sample mineralization with ultraviolet radiation.
... AND BIOLOGICAL FLUIDS USING SAMPLE MINERALIZATION WITH ULTRAVIOLET ...and biological fluids, by using an UV irradiation system with a high power UV radiation source (400 ...and ...
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Stir-bar sorptive extraction for drugs analysis in biological fluids.
... STIR-BAR SORPTIVE EXTRACTION FOR DRUGS ANALYSIS IN BIOLOGICAL FLUIDS. A novel solventless sample preparation, stir-bar sorptive extraction (SBSE), for extraction, and sample enrichment of organic compounds ...
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Cystatin C and lactoferrin concentrations in biological fluids as possible prognostic factors in eye tumor development
... extracellular fluids; the high concentration was shown in cerebrospinal fluid, and in lower concentrations in milk, synovial fluid, serum, urine and bile ...eye fluids (less studied as compared to other ...
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Thermostabilisation of Human Serum Butyrylcholinesterase for Detection of its Inhibitors in Water and Biological Fluids
... The organophosphorus (OP) and carbamate compounds are widely used in agriculture as pesticides and a select few as drugs in the treatment of certain ailments. Besides these, the highly toxic derivatives of phosphoric and ...
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Analysis of organophosphorous pesticides in postmortem biological fluids
... Organophosphorous pesticides are also known as acetylcholinesterase (AChE) agents. Their main mechanism of toxic action is through the inhibition of the enzyme acetylcholinesterase, which is the enzyme responsible for ...
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Methods of extraction and/or concentration of compounds found in biological fluids for subsequent chromatographic determination.
... Apesar do surgimento de técnicas modernas de separação, onde se pode obter alta seletividade e sensibilidade, em termos de detecção, para um dado analito (ou classe), presente em matrize[r] ...
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Determination of parathion in biological fluids by means of direct Solid Phase Microextraction.
... We have developed a simple and rapid method for the quantitation of parathion in blood and urine using DI-SPME. The procedure is sensitive and specific, presenting low limits of detection and quantitation, and moreover ...
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J. Braz. Chem. Soc. vol.19 número5
... The electrochemical behavior of deferiprone was studied in buffer solution on a platinum electrode, using cyclic voltammetry. The kinetic parameters such as the electron transfer coefficient for oxidation and the ...
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Mat. Res. vol.14 número2
... Polymers are often used to coat tablets for controlled drug release. The purpose of this study is to evaluate the solubility of the HPMC and PVA blend compared to isolated polymers in solutions with a pH of ...
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J. Braz. Chem. Soc. vol.24 número10
... In the current work renewable pencil graphite electrode (PGE) is used for the individual and simultaneous determination of Em and Irino using Osteryoung square wave voltammetry procedure. The proposed methodology is ...
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Nitric oxide levels in cochlear fluids of guinea pig
... PURPOSE : To describe a technique to obtain guinea pigs cochlear luids and measure nitric oxide (NO) concentration.. METHOdS : Six guinea pigs were used and sacriiced.[r] ...
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Adsorption behavior of polymer-based drilling fluids on SiO2.
... DRILLING FLUIDS ON SiO 2. Polysaccharide-based drilling fluids have been often applied in horizontal wells of petroleum reservoirs in Campos, Rio de ...
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BIOLOGICAL CONTROL Predators Impairing the Natural Biological Control of Parasitoids
... in biological con- trol: the puzzling coexistence of the coffee leaf miner, Leucoptera coffeellum (Guérin- Mèneville), and its natural ...natural biological con- trol of the coffee leaf ...
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Structural control of ecological and biological networks
... Structural ENC allows for driving a network towards the desired equilibrium values using the inhibition of one or several nodes and/or edges. It is helpful whenever it results difficult to quantitatively control stocks ...
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Numerical Investigation of Single Phase Fluid Flow and Heat Transfer In Rectangular Micro Channel Using Nanofluids as A Cooling Liquid
... pure fluids enhances the single-phase heat transfer coefficient for fully-developed laminar ...pure fluids at the same Reynolds ...pure fluids at the same Reynolds ...
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Uniform flow of viscoelastic fluids past a confined falling cylinder
... Identifying the conditions that lead to the onset of a negative wake is one of the motivations for the present work. In terms of outcome, this study leads to two important contributions: (1) clarify the significant ...
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Analog Model for Quantum Gravity Effects: Phonons in Random Fluids
... that fluids are not only useful analog models for effects in field theory, but random fluids with particular properties can simulate quantum gravity ...
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Dominating biological networks.
... Here, we present novel network-based approaches applied towards a deeper understanding of biological function and disease. We aim to further study and understand currently poorly described mechanisms by which ...
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Nonlinear dynamics of turbulent waves in fluids and plasmas
... Abstract. In a model drift wave system that is interesting both in fluids and plasmas, we find that an embedded mov- ing saddle point plays an important role at the onset of turbu- lence. Here the saddle point is ...
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