• The aggregation behavior of the synthesized amphiphiles was studied through fluorescence spectroscopy, dynamic light scattering (DLS), and cryo-transmission electron microscopy (cryo-TEM). (fu-berlin.de)
  • We address these topics using a complementary set of methods founded in macromolecular crystallography and electron microscopy to determine the 3-dimensional atomic structures of key players in these transport systems. (au.dk)
  • We are furthermore engaged in development of methods for low-resolution crystallography and single-particle cryo-electron microscopy, as it pertains to the challenging field of membrane protein structure. (au.dk)
  • The long-term objective of the lab is to elucidate the molecular mechanisms underlying NPC-dependent sterol transport through a combination of crystallography and electron microscopy. (au.dk)
  • To do so, we use X-ray crystallography, electron cryo-microscopy (cryo-EM) together with biochemical techniques to characterize the molecular mechanism of GPCR signalling complexes. (psi.ch)
  • SARS-CoV-2 identification in lungs, heart and kidney specimens by transmission and scanning electron microscopy. (cdc.gov)
  • Metals are required in many different biological systems and processes, and also find application in a whole host of drugs and medical diagnostic agents. (exeter.ac.uk)
  • You will learn how organisms use metals in key life processes, such as respiration and electron transfer, how they transport and store metals and understand how we can use our knowledge of bonding and reactivity to design therapeutic and diagnostic agents at the cutting edge of medicine. (exeter.ac.uk)
  • Transition metals in biological processes, their role in electron transfer reactions, active site structures and catalytic mechanisms. (exeter.ac.uk)
  • Chemical Biotechnology involves the use of the tools and techniques of chemistry to understand and manipulate biological processes. (brocku.ca)
  • But applications beyond the capability of classical force-field methods include such fundamental processes as electronic transitions (photon absorption, non-linear spectroscopy), electron transport phenomena and proton transfer. (cecam.org)
  • But many fundamental biological processes that involve, for example, the conversion of light into energy forms that are usable for chemical transformations are quantum mechanical in their nature. (cecam.org)
  • Halide argyrodite solid-state electrolytes of the general formula Li 6 PS 5 X exhibit complex static and dynamic disorder that plays a crucial role in ion transport processes. (mines.edu)
  • To contribute to the knowledge of mitochondrial biogenesis and function, we focused on studies of two key mitochondrial processes, the processing of preproteins that are imported to the mitochondria, and mechanism of pyruvate transport to these organelles. (nusl.cz)
  • Inorganic species and especially metal ions play fundamental roles in biological processes such as signaling, catalysis, electron transfer and oxygen transport. (univie.ac.at)
  • Respiration continuously transports oxygen to cellular processes. (gsu.edu)
  • Sodium participates in active transport processes across cell membranes. (gsu.edu)
  • We show that mechanical tension modulates active transport processes in neurons and that external forces can couple to internal (subcellular) forces and change the overall transport dynamics. (nature.com)
  • A cascade of health problems has consequently ensue, since your metabolic processes rely on biologically active enzymes. (irishfilmnyc.com)
  • Gradually, I changed methodologies, biochemical, molecular biological and physiological, and I have had the pleasure of being part of how plant respiration over time has proven to be involved in many fundamental life processes, developing a more integrated view of plant metabolism. (lu.se)
  • In modeling complex biological processes, it is often possible to describe broad trends using simple regression or other statistical models. (cdc.gov)
  • The goal is detailed molecular-level understanding of the mechanism of assembly and/or the role of the metal center(s) in catalysis, regulation or electron transfer. (uga.edu)
  • TcDH contains a unique metal site comprising Crated into proteins for the purposes of copper trafficking three copper ions in a configuration that enables two-electron and storage (3, 4) and electron transport and catalysis (5-7). (docslib.org)
  • Thus, metalloproteins have many different functions in cells, such as storage and transport of proteins, enzymes and signal transduction proteins, or infectious diseases. (wikipedia.org)
  • Proton-coupled electron transfer plays an important role in substrate oxidation by C-H bond cleavage and long-range pathways associated with bioenergetics. (ecu.edu)
  • These redox-active Fn-5HOW derivatives exhibit tyrosine-like proton-bound oxidation and are associated with the spectroscopic characteristics of neutral radicals that are easily distinguishable from natural aromatic amino acids. (ecu.edu)
  • To do this, redox molecules must first undergo a series of chemical reactions-oxidation or reduction reactions-to transport electrons to the intended target. (phys.org)
  • 61.Co-enzymes involved in biological oxidation. (firstranker.com)
  • In the dark anoxic water column at 7 m depth, nitrite seemed to be the key electron acceptor involved in CH 4 oxidation, yet additions of Fe(III) , anthraquinone-2,6-disulfonate and humic substances also stimulated anoxic CH 4 oxidation. (copernicus.org)
  • Metal centers constitute the active sites of at least one third of all enzymes and determining the assembly mechanism of metallocenters and the electronic and structural properties of metal centers that confer selective and specific catalytic activity present fascinating challenges to inorganic chemists. (uga.edu)
  • They are also of few mononuclear and polynuclear clusters in less than two potential technological interest for construction of the anodes dozen different types of enzymes catalyzing diverse biological of (implantable) biofuel cells (10). (docslib.org)
  • Over 20 copper-containing enzymes that the active site of a not previously described enzyme, thiocya- catalyze a wide-ranging group of chemical reactions have been nate dehydrogenase. (docslib.org)
  • In addition to bonding proteins, sulfur is also required for the proper organize and biological task of enzymes. (irishfilmnyc.com)
  • Recent years have seen strong research efforts on the lipid component of biological membranes. (lu.se)
  • The Chandel Lab, at Northwestern University, investigated this phenomenon to answer the question: If If cancer cells aren't getting most of their energy through the mitochondria, how does inhibiting the mitochondrial electron transport chain disproportionately kill them? (buckinstitute.org)
  • Cytotoxicity and cellular uptake studies were carried out over HeLa cancer cells to evaluate their biological applicability. (fu-berlin.de)
  • We specialize in structure and function of membrane proteins, with a special focus on the transport mechanisms mediating uptake of lipids, vitamins, sugars and ions. (au.dk)
  • These questions lies at the core of understanding how sterol uptake and homeostasis is maintained and how NPC proteins confer their essential biological function in vivo . (au.dk)
  • Chapter 4 describes morphological studies of non-fullerene acceptor-based organic photovoltaic active layers by X-ray scattering and solid-state nuclear magnetic resonance. (umass.edu)
  • Chapter 5 describes the use of X-ray scattering and solid-state nuclear magnetic resonance to understand the morphology degradation of non-fullerene acceptor-based organic photovoltaic active layers. (umass.edu)
  • However, some pre- three copper ions located at the corners of a near-isosceles tri- vious microbiological evidence showed that thiocyanate may be angle and facilitates a direct thiocyanate conversion into cya- degraded by cell-free extracts of haloalkaliphilic thiocyanate- nate, elemental sulfur, and two reducing equivalents without utilizing SOB in the presence of an electron acceptor via a involvement of molecular oxygen . (docslib.org)
  • These include electron paramagnetic resonance (EPR), resonance Raman, FTIR, and UV/visible/near-IR absorption and natural and magnetically induced circular dichroism (CD and MCD). (uga.edu)
  • A molecular mechanism of ca- chemical reaction producing cyanate and elemental sulfur as final talysis is suggested based on high-resolution three-dimensional products (21, 22): structures, electron paramagnetic resonance (EPR) spectroscopy, quantum mechanics/molecular mechanics (QM/MM) simulations, - - 0 + - N ≡ C-S + H2O → N ≡ C-O + S + 2H + 2e [1] kinetic studies, and the results of site-directed mutagenesis. (docslib.org)
  • Weak acid at acid pH: more lipid-soluble, becauses it is uncharged--the uncharged form more readily passes through biological membranes. (pharmacology2000.com)
  • Living systems achieve this functionality with their own version of electronics based on lipid membranes and ion channels and pumps, which act as a kind of "biological transistor. (columbia.edu)
  • 59.Explain the various transport process across Cell membranes. (firstranker.com)
  • 7. Transport across cell membranes. (firstranker.com)
  • The successful candidate will join our group at the institute of Chimie et Biology des Membranes et Nano-objets (Pessac, Bordeaux) which aims at deciphering the molecular mechanisms of active transport across biological membranes, using biochemical, biophysical and cryoEM approaches. (cnrs.fr)
  • In my talk, I will show you some examples how such biological cues influence the dynamic properties of membranes. (lu.se)
  • A second central issue lies in the functions of the biological membranes. (lu.se)
  • We also collaborate with other groups for Mossbauer, electron-nuclear double resonance (ENDOR), X-ray absorption and X-ray crystallography studies of proteins prepared in our laboratory. (uga.edu)
  • Recent technological breakthroughs, such as ultra-fast pulsed lasers, high-performance computing and crystallography of macromolecules, helped to improve the experimental tools of physicists, biologists, and chemists working, in particular, in the area of chemical and biological physics. (cecam.org)
  • For example, in biological physics these details are mainly obtained by x-ray crystallography of a crystallized version of the macromolecules. (cecam.org)
  • On oxygenation the two copper(I) atoms at the active site are oxidized to copper(II) and the dioxygen molecules are reduced to peroxide, O2− 2. (wikipedia.org)
  • Most calculations on large chemical and/or biological molecules use classical molecular dynamics up to now. (cecam.org)
  • We are excited at the prospect of expanding the palette of active devices that will have new functions, such as harvesting energy from ATP, as was done here, or recognizing specific molecules, giving chips the potential to taste and smell. (columbia.edu)
  • It is abundant partly because the body is up to 60% water, but is also a constituent of most large biological molecules and is continually being exchanged in the process of metabolism and respiration. (gsu.edu)
  • In biological systems, there already exists a small class of molecules capable of shuttling electrons. (phys.org)
  • These molecules, known as "redox" molecules, can transport electrons to any location. (phys.org)
  • As the interaction free energies between the redox centres scale linearly with overall ring charge and in conjunction with fast intramolecular electron transfer (∼107 s−1), these molecules can be considered as uniformly charged nanorings (diameter ∼1-2 nm). (imperial.ac.uk)
  • These reactive species can interact with biological molecules in ways that can damage cells. (cdc.gov)
  • In my group, we try to better understand theoretically the charge transport mechanisms at the atomic scale. (uni-augsburg.de)
  • Through this study, we find that anion disorder plays a decisive role in dictating the extent and timescales of both lithium and cyanide dynamics in Li 6 PS 5 CN and presents an exciting materials design strategy for harnessing coupled motions in complex ion transport mechanisms in the next generation of solid-state electrolytes. (mines.edu)
  • Investigating the mechanisms of neuronal transport is critical in understanding neuronal function. (nature.com)
  • Quercetin is therefore expected to act as a phytochemical by exerting a wide variety of biological activities through these action mechanisms. (rsc.org)
  • Inhalation Toxicology Downloaded from informahealthcare.com by CDC Information Center on 07/10/12 upon an understanding of the underlying biological mechanisms. (cdc.gov)
  • Another research field focuses on metal ions that are not found in the active center of proteins but form pools of loosely bound ions, which are crucial in signaling. (univie.ac.at)
  • Muscle fiber contraction is initiated by information transported by calcium ions . (gsu.edu)
  • Quantum coherences and their effects on spectroscopy of large molecular aggregates are a very exciting issue these days due to recent experimental progress on both biological and synthetic samples showing unexpected long coherence times in large disordered systems. (cecam.org)
  • By engineering cells with synthetic biology components, Bentley's research team created a sophisticated synthetic "switching" system in bacterial cells that recognizes electrons instead of more traditional molecular signals and incorporates the biologically programmable genetic circuitry of CRISPR. (phys.org)
  • Before the 20th century, biological warfare took three main forms: (1) deliberate poisoning of food and water with infectious or toxic material, (2) use of microorganisms or toxins in some form of weapon system, and (3) use of biologically inoculated fabrics. (medscape.com)
  • Very little is known about the molecular interactions of NPC proteins with substrates and interaction partners, including whether NPC membrane proteins mediate any kind of active transport of sterols. (au.dk)
  • The long-term objective of the lab is to understand the molecular mechanism of energy-independent transport of sugar in the Sugar Porter family and the GLUTs by determining structures of proteins in the SP family and, and use this information to guide our biochemical studies of mechanism. (au.dk)
  • Effective intracellular transport of proteins and organelles is critical in cells and is especially important for ensuring proper neuron functionality. (nature.com)
  • In neurons, most proteins are synthesized in the cell body and must be transported through thin structures over long distances where normal diffusion is insufficient. (nature.com)
  • For instance, preassembled units of synaptic proteins are transported in vesicles to synapses to provide building blocks for the active zone, which is necessary for rapid fusion of synaptic vesicles 7 . (nature.com)
  • Image analysis of the matched maps identified 7 proteins that were either over- or down-expressed: activated protein kinase c receptor (LACK), alpha tubulin (×2), prostaglandin f2-alpha synthase, protein disulfide isomerase, vesicular transport protein and a hypothetical protein. (who.int)
  • This functionality is used in cytochromes, which function as electron-transfer vectors. (wikipedia.org)
  • Electron transport and cytochromes. (exeter.ac.uk)
  • Shepard, whose lab is a leader in the development of engineered solid-state systems interfaced to biological systems, notes that despite its overwhelming success, CMOS solid-state electronics is incapable of replicating certain functions natural to living systems, such as the senses of taste and smell and the use of biochemical energy sources. (columbia.edu)
  • From the electron transport chain to the maintaining of membrane potentials of cells, metals play essential supporting roles for the atoms involved in the major structures of life. (gsu.edu)
  • Active transport is directed motion along cytoskeletal structures that is driven by molecular motors 4 . (nature.com)
  • The theory based on the Tien-Gordon model shows that the electrons may now be transmitted under absorption or emission of photons, i.e. at energies that are multiples of the photon energy away from the Fermi energy. (uni-augsburg.de)
  • At Colorado School of Mines, her research is focused on developing and designing solid-state materials for renewable energy, with an emphasis on understanding the design principles that connect chemistry, local and long-range structure, and dynamics to functional properties such as charge transport and light absorption/emission. (mines.edu)
  • New results concerning water splitting (H-abstraction model), reaction center (active tetramer), quinone reduction (lipids and proton wire), and light protection (function of cytochrome b559, cyclic electron transport around photosystem II). (elte.hu)
  • Cyclic oligomers comprising strongly interacting redox-active monomer units represent an unknown, yet highly desirable class of nanoscale materials. (imperial.ac.uk)
  • Gene biotechnology involves the use of DNA technology, bioinformatics and microbiological techniques to study biological phenomena. (brocku.ca)
  • Spin-dependent transport phenomena constitute another aspect of future research directions of the group. (uni-augsburg.de)
  • These substances (eg, copper, silver) in which electrons are loosely bound are termed conductors, because they readily permit the flow of electrons. (medscape.com)
  • Chapter 2 describes modified ZnO nanoparticles as electron transport layer to improve the performance and stability of organic solar cells. (umass.edu)
  • nanoparticles in biological tissue for medical appplications, and more. (dissertation.com)
  • Some sulfur- Here we report the discovery and characterization of a pre- oxidizing bacteria (SOB) known to play an important role in viously undescribed copper center that forms the active site of global geochemical cycles can utilize thiocyanate as the sole a copper-containing enzyme thiocyanate dehydrogenase (sug- source of energy and nitrogen . (docslib.org)
  • The enzyme, thiocyanate dehydrogenase (TcDH), reveals several features special to the chemistry of biological opper is widely utilized in life systems (1, 2). (docslib.org)
  • Insight into the Function of Active Site Residues in the Catalytic Mechanism of Human Ferrochelatase. (uga.edu)
  • With this in mind, an emerging chemotherapeutic mechanism of action involves the inhibition of the mitochondrial electron transport chain (ETC), one of the ways that cells transform energy. (buckinstitute.org)
  • 52.Explain the steps involved in Electron transport chain and its mechanism. (firstranker.com)
  • Kinetic study and molecular docking pointed out that 4c(2) bound well into the active sites of hAChE, forming steady and sturdy interactions with key residues in hAChE. (inrae.fr)
  • They are second only to hemoglobin in biological popularity of use in oxygen transport. (wikipedia.org)
  • Oxygen transport and storage. (exeter.ac.uk)
  • It is the hope that through the control over chemical synthesis, it may be possible to tune the interrelated transport properties (electrical conductance, thermopower, thermal conductance) such that the figure of merit is strongly increased. (uni-augsburg.de)
  • In the assembly, proton transport will be facilitated by ionomer percolation. (scielo.org.za)
  • Microarray analysis also provided several important biological clues for further investigating fluoride-induced damage in sperm morphology and functions. (fluoridealert.org)
  • A collision between an atom and an alpha particle can result in a transfer of energy sufficient to "knock out" an electron from the atom, producing an ionized or excited atomic state. (cdc.gov)
  • NAD/NADH are able to transfer electrons in a process that captures the energy by generating high-energy phosphate bonds. (medscape.com)
  • Often atomic-level details are known from experiments in chemical and biological physics these days. (cecam.org)
  • Our investigations may be relevant for optical nanoantennas in high-sensitivity chemical and biological sensors, for realizing active elements based on light-controlled electrical conduction, or for improved photovoltaic devices. (uni-augsburg.de)
  • The Chemical and Biological Engineering Department at Colorado School of Mines is proud to continue hosting our renowned Seminar Series presented by Shell. (mines.edu)
  • Since 2012, our Seminar Series has featured a range of diverse voices from many of the top scholars and researchers in the fields of Chemical and Biological Engineering. (mines.edu)
  • This was the first multilateral agreement that extended prohibition of chemical agents to biological agents. (medscape.com)
  • They also developed a plague biological weapon by breeding fleas fed on plague-infected rats, and releasing millions of fleas in aerial attacks on Chinese cities. (medscape.com)
  • Successful completion of an Honours Bachelor's degree, or equivalent, normally with an average of not less than 78%, or the equivalent grade point average in major courses in an undergraduate program in biotechnology, chemistry, or the biological sciences (composed of but not limited to biochemistry, biology, genetics, or microbiology). (brocku.ca)
  • Successful completion of an appropriate Master's degree in Biotechnology, Biophysics, Chemistry or the Biological Sciences (composed of but not limited to Biochemistry, Biology, Genetics or Microbiology). (brocku.ca)
  • Here, one approach is to synthesize and investigate model complexes of active centers. (univie.ac.at)
  • Experimental results combined with calculations suggest that the photocatalysis of a novel antenna-reactor complex composed of an Al core and a Cu2O shell is primarily from hot-electron injection. (dissertation.com)
  • Here we aimed to investigate a hybrid catalytic model (biological and metal catalysts) where the biological catalyst can enhance the anode's open circuit voltage (OCV) by supplying free (solvated) electrons and protons 1 to optimize the metal's OCV for a fuel cell, which is also a nano-drug delivery system (NDDS). (scielo.org.za)
  • Additionally, the semitransparency of biological tissue between 700 and 1000 nm makes such light sources appealing for a broad class of biomedical applications, particularly imaging and sensing. (europa.eu)
  • Convincing data have been presented to show that production of reactive oxygen species (ROS) occurs in nonphagocytic cells, including endothelial cells ( 8 ), vascular smooth muscle cells ( 9 ), and aortic adventitial fibroblasts ( 10 ), and superoxide anion has a variety of biological functions that accompany induction of gene expression ( 11 ), cellular proliferation ( 12 ), apoptosis ( 13 , 14 ), and hypertrophy ( 15 ). (diabetesjournals.org)
  • They achieved this by integrating a conventional solid-state complementary metal-oxide-semiconductor (CMOS) integrated circuit with an artificial lipid bilayer membrane containing ATP-powered ion pumps, opening the door to creating entirely new artificial systems that contain both biological and solid-state components. (columbia.edu)
  • Sugars are the major cellular source of energy and carbon, and facilitated sugar transport in humans is made possible by sugar transporters called GLUTs that belong to the ubiquitous Sugar Porter (SP) protein family. (au.dk)
  • This transport is powered by the use of cellular ATP. (au.dk)
  • The latter route may also enable discrimination between alternative model formulations repre- senting different biological hypotheses. (cdc.gov)
  • Normally, only one of these three additional half-credit courses may be taken from among 5(alpha)00 or 4(alpha)00 level courses offered by the Departments of Biological Sciences, Chemistry or Physics, which are not cross-listed with the Biotechnology program. (brocku.ca)
  • For the optimisation of bulk heterojunction (BHJ) solar cells FAU investigated the concept of ternary and quaternary polymer/fullerene blends for the active layer of bulk heterojunction solar cells. (europa.eu)
  • An important application in the described field of research are biological as well as artificial light-harvesting systems and solar cells. (cecam.org)
  • Materials such as porcelain and glass are composed of atoms that have powerful bonds between their nuclei and the outer electrons. (medscape.com)
  • Mechanical tension is critical in maintaining proper function in neurons, but its role in transport is not well understood. (nature.com)
  • Students with undergraduate degrees in chemistry or the biological sciences will be exposed to the breadth of biotechnology through mandatory participation in the seminar program and will have the opportunity to focus on selected areas of biotechnology in other graduate courses. (brocku.ca)
  • Candidates who do not comply with the minimum admission requirements for BSc (Entomology), may be considered for admission to the BSc - Extended programme for the Biological and Agricultural Sciences. (up.ac.za)
  • who coined the term the ghost in the machine , went further, attempting to deconstruct the dualistic notion of mind altogether, as a form of false reasoning, claiming that the idea of Mind as an independent entity, inhabiting and governing the body, should be rejected as a redundant piece of literalism carried over from the era before the biological sciences became established. (dhushara.com)
  • This group studies different aspects of quantum transport through nanostructures and nanostructured materials, ranging from charge to heat transport, as well as excited states and their dynamics. (uni-augsburg.de)
  • To this end, we investigate the active and passive transport of vesicles in Aplysia neurons while changing neurite tension via applied strain and quantify the resulting dynamics. (nature.com)
  • Understanding life from its molecular foundation has become a very important and active field of research these days and even full photosynthetic vesicles can be modeled [14]. (cecam.org)
  • These types of systems are present in many active areas of research in the nanotechnology sphere. (dissertation.com)
  • He maintains an active research group and is currently PI of two R01 awards, a P01 award, and a clinical trials U award. (academic-med.com)
  • During World War II, the Japanese operated a secret biological warfare research facility in Manchuria and carried out human experiments on Chinese prisoners. (medscape.com)
  • Jesper Nygård's research has focused on electron transport in low-dimensional semiconductors, superconductors and nanodevices. (lu.se)
  • Dive into the research topics where Allan Rasmusson is active. (lu.se)
  • Measurements of the thermopower of molecular junctions allow to distinguish electron from hole transport. (uni-augsburg.de)
  • In the context of thermoelectrics, we study beside the transport of charges through the molecular junctions also those of heat. (uni-augsburg.de)
  • Light independent and light dependent pathways, their molecular biological ground and significance. (elte.hu)
  • Even first experiments on laser control in biological light-harvesting complexes have been performed [9]. (cecam.org)
  • Beta particle ( ionizing radiation ) - a charged particle emitted from the nucleus of certain unstable atomic nuclei (radioactive isotopes), having the charge and mass of an electron. (cdc.gov)
  • If the atomic structure of the material is such that the force of attraction between its nucleus and outer electrons is small, little force is required to cause electron loss. (medscape.com)
  • Bioinorganic Chemistry - Topics covered will include: Metal management in biological systems. (exeter.ac.uk)
  • This workshop aims on bringing those people together who work on biological and/or synthetic systems to discuss and exchange ideas how to most efficiently and accurately solve the above mentioned problems. (cecam.org)
  • In combining a biological electronic device with CMOS, we will be able to create new systems not possible with either technology alone," says Shepard. (columbia.edu)
  • This was quite a unique new direction for us and it has great potential to give solid-state systems new capabilities with biological components. (columbia.edu)
  • In this thesis I outline an approach to solving light transport in nanomaterial systems based on the Monte-Carlo method. (dissertation.com)
  • In an effort to create first-of-kind microelectronic devices that connect with biological systems, University of Maryland (UMD) researchers are utilizing CRISPR technology in a novel way to electronically turn "on" and "off" several genes simultaneously. (phys.org)
  • But, free electrons do not exist in biological systems . (phys.org)
  • The potential spectrum of bioterrorism ranges from hoaxes and actual use of agents by individuals or groups against others, to state-sponsored terrorism that employs biological warfare (BW) agents and delivery systems that can produce mass casualties. (medscape.com)
  • To the best of our knowledge, such values are the highest ever reported in this spectral range for PLEDs with a heavy-metal-free, solution-processed active layer without triplet-assisted emission. (europa.eu)
  • Here we present such an approach based on multivariate pattern analysis and apply it to simulated and experimental single-molecule charge transport data. (imperial.ac.uk)
  • Se llevó a cabo un estudio experimental in vitro en una muestra de 18 premolares humanos, los cuales fueron tratados con una de las tres pastas dentales evaluadas y una fluorada. (bvsalud.org)
  • Using the free (solvation) electron model, bioelectrochemical activity (BECA) and a high open circuit voltage were generated by 5.5,10 and 20 mM glucose with 20 kU L -1 glucose oxidase at 37 °C. BECA (glucose oxidase), on its own, produced pulses of various intensities for nano-microsecond durations whereas the hybrid BECA-ECA (glucose oxidase and platinum) anode catalyst provided sustainable pulses of microseconds-minute durations. (scielo.org.za)
  • The envisaged in vivo application was in blood containing glucose and GOx that would pass through a flow field (channel) in the NDDS with a residence time that would allow the free electrons and protons to stimulate an OCV once these were in the anode. (scielo.org.za)
  • In most materials, a number of electrons are free to move about at random until a driving force termed voltage propels them to move in one direction. (medscape.com)
  • Despite how advanced current smart devices might be, today's microelectronic devices process information using materials such as silicon, gold, or chemicals, and an energy source that provides electrons. (phys.org)
  • Freeze-fracture replica electron microscopic image of intestinal epithelial cells. (pharmacology2000.com)
  • We envisaged Pt having a dual function: to power an NDDS (electroporation capability) as an active nanoparticle catalyst, and as Pt 2 +, to kill cancer and microbial cells with cytotoxicity properties. (scielo.org.za)
  • Cargo transport in cells is mediated by a stochastic interplay of passive diffusion and active transport 2 . (nature.com)
  • Additionally, understanding why inhibition of the mitochondrial electron transport chain affects cancer cells more than non-cancerous cells is critical in advancing inhibitors as a treatment option. (buckinstitute.org)
  • ATP is used to transport energy from where it is generated to where it is consumed in the cell. (columbia.edu)
  • Energy production in the electron transport chain makes ATP and forms water for removal. (gsu.edu)
  • Electricity is a form of energy that is expressed in terms of the movement and interaction of electrons. (medscape.com)
  • Of these subunits, KdpA and KdpB form the core, and both are needed for the function of the complex, namely the active transport of potassium against its electrochemical gradient. (au.dk)
  • d,e) Plots of the x and y position as a function of time show that particle behavior is passive (red) most of the time and that when vesicles undergo active motion (green) they are moving over larger distances. (nature.com)