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Showing 1 to 11 of 11 for “"Microcalorimeter"”.
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The design and characterization of a microcalorimeter to aid drug discovery
… describes the design and characterization of a microcalorimeter used to aid drug discovery. There are four key functional requirements for the device: (1.) 8.4 [mu]J energy resolution, (2.) 20 [mu]L reactant volume (combined total), (3.) 10% experimental variance, and (4.) 100 [mu]K baseline …
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Design and manufacturing of a microcalorimeter for measuring heat flows in electrochemical reactions to milli-Kelvin precision
Due to their high energy density, lithium-air batteries have tremendous potential for application to batteries for electric vehicles. While significant efforts have been made in understanding the material origins of electrochemical performance under discharging and charging conditions, there is …
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A liquid-in-glass thermometer with sub-microKelvin resolution, and its application for calorimetry
… In this thesis, a novel single-reaction microcalorimeter with optical readout, based on liquid expansion, was designed and built. The instrument was first constructed as a miniature liquid-in-glass thermometer in which the meniscus level was read by a Michelson interferometer. Contact …
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Heats of immersion of zeolites in n-alcohols
… have been determined using a Calvet MS-70 microcalorimeter. The specific heat of immersion decreased non-linearly as a function of chain length of alcohol for NaY and 5A. In contrast, the specific heat of immersion passed through a maximum at n-pentanol for ZSM-S. The specific immersion …
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Controlled release of Isothiazoline biocides from industrial minerals
… of the biocide in solution, and the Flow Microcalorimeter used to measure the bond strength between the biocide molecules and the minerals. The minerals were added to an exterior paint made according to an Imerys in-house formulation. Various modifications of this initial coating …
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Thermodynamic studies of xanthate adsorption on pyrite
… of adsorption of xanthates on pyrite using a microcalorimeter. The electrochemical studies have shown that the ΔG° of the proposed half-cell reaction, i.e., 2X<sup>-</sup> X<sub>2</sub> + 2e, is negative for all the xanthate homologues, i.e., potassium ethyl xanthate (KEX), potassium amyl …
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Calcium vapour deposition on semiconducting polymers studied by adsorption calorimetry and visible light absorption
A novel UHV microcalorimeter has been used to study the interaction between calcium and three polymers: MEH-PPV, MEH-PPP and P3HT. All three polymers behave differently in their reaction kinetics with calcium. On MEH-PPV we measure 45 μJ/cm² of heat generated in excess of the heat of bulk metal …
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Surface Free Energy Characterization of Powders
… measurements were conducted using a flow microcalorimeter on a number of powdered talc samples. The results were then used to calculate the contact angles using a rigorous thermodynamic relation. The measured heat of immersion values in water and calculated contact angles showed that the …
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Adsorption and Reaction Microcalorimetry on Nickel and Platinum Single Crystal Surfaces
The unique Cambridge single crystal adsorption microcalorimeter has been applied to a range of systems of catalytic interest to extract fundamental thermodynamic data. Coverage-dependent adsorption heats and sticking probabilities have been obtained with CO, NO, oxygen and ethylene adsorbates and …
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Kinetic modeling and automated optimization in microreactor systems
… were unknown prior to experimentation. A simple microcalorimeter is built using thermoelectric elements and a silicon microreactor to experimentally determine the heats of reaction during flow to allow for understanding the heat transfer needs for scale up. The result from the nitration of …
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Photon-Number Resolving by Superconductive Devices
… detectors is the Transition-Edge Sensor (TES): a microcalorimeter that takes advantage of the sharp transition (few millikelvin) from the superconducting to the normal phase; for this reason it is sometimes called Superconductive Phase Thermometer (SPT). In the ultraviolet (UV) to infrared (IR) …