摘要:
An apparatus is provided for sensing an analyte in a fluid. The apparatus includes a fluid collecting device configured to collect the fluid containing the analyte; a fluid input in fluid communication with the fluid collecting device configured to input the fluid containing the analyte into the fluid collecting device, an analyte interactant in fluid communication with the fluid collecting device, wherein the analyte interactant, when contacted by the analyte, reacts to cause a first change in thermal energy within the fluid collecting device; a modulator that causes a second change in thermal energy; a thermal sensing device comprising at least one pyroelectric device thermally coupled to the fluid collecting device to generate a first signal in response to at least one of the first change in thermal energy and the second change in thermal energy; a control device operatively coupled to the thermal sensing device and the modulator that generates a second signal, wherein the second signal comprises information useful in characterizing the analyte. A related method also is disclosed.
摘要:
Embodiments relate to a fluid sensor and a method for examining a fluid. A fluid sensor includes a substrate which comprises a recess for receiving a fluid to be examined, wherein the fluid sensor is implemented to detect electrical changes in the recess caused by the fluid to be examined.
摘要:
A method that identifies the compounds contributing to a sweet odor from an air conditioner, reproduces the sweet odor, and prepares a corresponding sweet odor composition. Through the analysis method of the present invention, the compounds contributing to the sweet odor from an air conditioner are identified and quantified. The sweet odor is reproduced from a combination of the compounds identified by the analysis method of the present invention. The reproduced sweet odor provides significant data required for development of an apparatus and a method for removing specific odor.
摘要:
The present invention provides methods of identifying a genetic abnormality such as mutation in EGFR or KRAS or ALK which is associated with the management of lung cancer or diagnosing, prognosing or monitoring the treatment of pre-cancerous conditions of the lung, such as bronchial dysplasia or atypical alveolar hyperplasia (AAH), through the detection of at least one volatile organic compound indicative of these states.
摘要:
The present invention provides a system and method for diagnosing, monitoring or prognosing Multiple Sclerosis at different stages as well as affording the prediction of disease activity and response to a treatment regimen, using at least one sensor comprising carbon nanotubes or metal nanoparticles, each coated with various organic coatings in conjunction with a pattern recognition algorithm.
摘要:
A method for determining asphaltene stability in a hydrocarbon-containing material having solvated asphaltenes therein is disclosed. In at least one embodiment, it involves the steps of: (a) precipitating an amount of the asphaltenes from a liquid sample of the hydrocarbon-containing material with an alkane mobile phase solvent in a column; (b) dissolving a first amount and a second amount of the precipitated asphaltenes by changing the alkane mobile phase solvent to a final mobile phase solvent having a solubility parameter that is higher than the alkane mobile phase solvent; (c) monitoring the concentration of eluted fractions from the column; (d) creating a solubility profile of the dissolved asphaltenes in the hydrocarbon-containing material; and (e) determining one or more asphaltene stability parameters of the hydrocarbon-containing material.
摘要:
The detecting and monitoring of solid structure or phase transformation, such as those used for testing the formation of gas hydrates and their inhibition by chemical additives may be conducted in a multi-test assembly of laboratory bench scale loops. The test loop contains a fluid that includes water and hydrate-forming guest molecules such as methane, ethane, carbon dioxide and the like at hydrate-forming conditions of low temperature and high pressure. A small bit or “pig” may be circulated through the test loop at variable speeds to circulate the fluid in the loop. The pig may be moved or impelled through the test loop remotely. The exterior of the pig and/or the interior of the loop may be smooth and/or have a friction-reducing coating thereon to facilitate movement of the pig through the loop. The formation of hydrates may be monitored with consistent and reproducible results.
摘要:
Method for predicting amounts of biogenic gas generated by biological conversion of organic matter deposited in sediments on the geological time scale.Bioreactive structural units having formulae CxHyOvSzNw with x>6, y>x, v
摘要翻译:通过地质时间尺度预测沉积物中有机物生物转化产生的生物气体量的方法。 考虑具有x> 6,y> x,v <6,z <6和w <6的式C x H y O v S z N w的生物反应结构单元。 然后在靠近表面的深度处取出沉积系列的岩石样品,使得所述岩石未经历任何生物降解,并确定存在于该样品中的每个生物反应结构单元的量。 定义了反应方案,其中生物反应性结构单元与电子受体平行反应,并且每个生物反应性结构单元与这些电子受体依次反应。 最后,通过生物反应结构单元的生物降解产生的生物气体的量通过反应方案和样品中存在的每个结构单元的量来确定。
摘要:
Provided is a microfluidic device including: a sample chamber; at least one analyzing unit receiving a sample from the sample chamber and detecting components contained in the sample according to a reaction of the sample and a reagent; and a denaturation detection chamber determining the storage condition of the microfluidic device, wherein the denaturation detection chamber accommodates a material whose light absorption changes according to the temperature and the water thereof.