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    • 52. 发明授权
    • Aquatic pollution monitoring
    • 水体污染监测
    • US09057717B2
    • 2015-06-16
    • US13512285
    • 2010-11-26
    • Odd Ketil Andersen
    • Odd Ketil Andersen
    • A01K61/00G01N33/18G01N21/47
    • G01N33/186G01N21/4788
    • A method of monitoring the effect of pollution in an aquatic mass, said method comprising disposing in said aquatic mass a biosensor unit containing a living sessile organism which exhibits apical growth and which is bound to a carrier, directing an electromagnetic beam towards a corresponding detector and between an edge and the apical tip of said sessile organism whereby to produce a diffraction pattern, detecting said diffraction pattern using said detector and monitoring a change (e.g. successive changes) in said diffraction pattern over time which is indicative of the natural growth of the apical tip of said organism.
    • 一种监测水生质量污染影响的方法,所述方法包括在所述水生物质中放置生物传感器单元,所述生物传感器单元含有表现为顶端生长并与载体结合的生物固定生物体,将电磁波束导向相应的检测器, 在所述无柄生物体的边缘和顶端之间,从而产生衍射图案,使用所述检测器检测所述衍射图案并监测随着时间的所述衍射图案中的变化(例如连续变化),其指示顶端的自然生长 所述生物体的尖端。
    • 55. 发明授权
    • Water monitoring system using bivalve mollusks
    • 使用双壳软体动物的水监测系统
    • US07330794B2
    • 2008-02-12
    • US10343660
    • 2001-07-30
    • Jason EzrattyRobert MorganDavid EddyDonald Morgan
    • Jason EzrattyRobert MorganDavid EddyDonald Morgan
    • G06F19/00C12Q1/00C12N5/02G01F1/12
    • G01N33/186G01N2520/00
    • A toxicant detection system comprises at least one watertight chamber containing a mollusk. Water to be screened is introduced into the chamber. The mollusk is preferably supported on a mounting structure which facilitates quick mounting of the mollusk in the device, comprising a releasable element affixed to the shell of the mollusk, e.g., a bolt which is screwed into a nut affixed to the mollusk's shell. A sensing apparatus is provided which includes a movable member supported in the chamber so that it engages the shell of the mollusk, and moves when the shell opens and closes. The sensing apparatus detects the position of the mollusk shell based on the position of the movable member. The sensing apparatus preferably includes a Hall effect transducer which co-acts with a magnet carried on the movable member. The system allows for accurate readings of the small movements of the mollusk shell which aid in detecting toxicants, and also provides for installation of mollusks of varying sizes, without the need to move components of the standard configuration of the chamber. Methods and systems for detecting or identifying a toxicant in water being screened are also described.
    • 毒物检测系统包括至少一个包含软体动物的水密室。 要被筛选的水被引入室内。 软体动物优选地支撑在便于将软体动物快速安装在装置中的安装结构上,该安装结构包括固定在软体动物的壳体上的可释放元件,例如拧入固定在软体动物壳上的螺母的螺栓。 提供了一种感测装置,其包括支撑在室中的可动构件,使得其接合软体动物的壳体,并且当壳体打开和关闭时移动。 感测装置基于可动构件的位置来检测软体动物壳的位置。 感测装置优选地包括霍尔效应传感器,其与携带在可动构件上的磁体共同作用。 该系统允许准确读取软体动物壳的小的运动,其有助于检测毒物,并且还提供安装不同尺寸的软体动物,而不需要移动腔室的标准构造的部件。 还描述了用于检测或鉴定被筛选的水中的毒物的方法和系统。
    • 56. 发明申请
    • Transgenic animals for monitoring water quality
    • 用于监测水质的转基因动物
    • US20060143718A1
    • 2006-06-29
    • US11286613
    • 2005-11-23
    • Daniel Nebert
    • Daniel Nebert
    • A01K67/027
    • G01N33/5308G01N21/763G01N33/186G01N33/5088G01N2520/00
    • The present invention provides methods and systems that uses transgenic zebrafish with an easily assessable reporter gene under the control of pollutant-inducible DNA response elements. Transgenic zebrafish, carrying pollution-inducible response elements, are placed in the water to be tested, and the contaminants become bioconcentrated (generally 1,000- to 40,000-fold, relative to the water) in the tissues of the fish thereby activating specific response elements, which up-regulate the LUC reporter gene. Fish are then removed from the test water and placed immediately in a luminometer cuvette and incubated with luciferin. Luciferin is rapidly taken up into the tissues of the fish, oxidized by luciferase, and light is produced. The luminescence is proportional to the environmental concentration of the pollutant (to which the fish had been exposed), which drives the expression of the LUC gene by means of the various DNA motifs. The luminescence is quantitated in the luminometer. In each response element-containing construct, a specific class of polluting chemicals, allowing for differential identification of pollutants in a complex mixture activates the expression of the LUC gene. This assay does not require killing the fish and allows for repeated analysis of the same site with the same fish. The sensitivity of the system can be manipulated by varying the sequence of the response element.
    • 本发明提供了在污染诱导型DNA应答元件控制下使用转基因斑马鱼与容易评估的报道基因的方法和系统。 带有污染诱导型应答元件的转基因斑马鱼被放置在被测试的水中,并且污染物在鱼的组织中变得生物浓缩(相对于水)为生物浓缩物(通常为1,000至40,000倍),从而激活特定的应答元件, 其上调LUC报告基因。 然后将鱼从测试水中取出并立即放置在发光计比色皿中并与荧光素一起温育。 萤光素被迅速吸收到鱼的组织中,被荧光素酶氧化,产生光。 发光与污染物的环境浓度(鱼已暴露于其中)成比例,通过各种DNA图案驱动LUC基因的表达。 在发光计中定量发光。 在每个含有响应元素的构造中,特定类别的污染化学品允许复杂混合物中污染物的差异鉴定激活了LUC基因的表达。 该测定不需要杀死鱼,并允许用相同的鱼重复分析相同的位点。 可以通过改变响应元件的顺序来操纵系统的灵敏度。
    • 57. 发明申请
    • Apparatus and method of portable automated biomonitoring of water quality
    • 水质便携式自动生物监测仪器及方法
    • US20040206162A1
    • 2004-10-21
    • US10774639
    • 2004-02-03
    • Tommy R. SheddMark W. WidderMark W. BrownMurray S. Swanson
    • G01N033/18
    • G01N33/186
    • A portable automated biomonitoring system for monitoring water quality includes an exposure chamber for housing an aquatic organism and a water inlet for directing water to the exposure chamber. The aquatic organism has ventilatory behavior and body movement sensitive to water quality. Electrodes sense electrical signals produced by the organism during its ventilatory behavior and body movement, and a controller responsive to signals from the electrodes determines a plurality of ventilatory parameters based on the signals. The ventilatory parameters are compared with corresponding thresholds to determine when the water to which the organism is exposed has caused physiological stress to the organism. The water being evaluated may be recirculated through the system for further analysis.
    • 用于监测水质的便携式自动生物监测系统包括用于容纳水生生物的暴露室和用于将水引导到暴露室的进水口。 水生生物具有对水质敏感的通气行为和身体运动。 电极在其通气行为和身体移动期间感测由生物体产生的电信号,并且响应于来自电极的信号的控制器基于该信号确定多个通气参数。 将通气参数与相应的阈值进行比较,以确定生物体暴露的水何时对生物体产生生理压力。 被评估的水可以通过系统再循环以进一步分析。