公开(公告)号：US20190094190A1

公开(公告)日：2019-03-28

申请号：US16092264

申请日：2017-04-19

Applicant: Waters Technologies Corporation

Inventor： Michael O. Fogwill ,  Joseph D. MICHIENZI ,  Geoff Gerhardt

IPC: G01N30/68 ,  G01N30/30

Abstract: A method for detecting an analyte in a chromatography system includes performing a separation using a mobile phase that includes an organic component. The separation is performed with a primary separation module such as a chromatographic column. A first effluent, from the primary separation module, is modulated so that a fluidic plug containing an amount of the organic component and an analyte is provided to a secondary separation module where a secondary separation is performed. A second effluent, from the secondary separation module, includes temporally-resolved organic component and analyte peaks due to selective retention of the analyte. The second effluent is provided to a flame-based detector which is disabled when the organic modifier peak is received and enabled at least during the time when the analyte peak is received. Thus the analyte can be detected without interference from any response of the detector to the organic component peak.

公开(公告)号：US20150285714A1

公开(公告)日：2015-10-08

申请号：US14679605

申请日：2015-04-06

Applicant: Waters Technologies Corporation

Inventor： Pamela J. Longenbach ,  Moon Chul Jung ,  Frank John Marszalkowski, JR. ,  Geoff Gerhardt

IPC: G01N1/10 ,  B01L3/00

CPC classification number: B01L3/502 ,  B01L3/5453 ,  B01L2300/021 ,  B01L2300/044 ,  B01L2300/0681 ,  B01L2300/0832 ,  B01L2400/0478 ,  G01N1/38 ,  G01N2001/288

Abstract: Provided are devices and methods for sample collection and processing. A tubular body has a chamber closed at a first end by a thin penetrable barrier and open at a second end opposite the first end. The tubular body further includes a partition that divides the chamber into two adjacent compartments, wherein a first compartment of the two adjacent compartments has the partition facing opposite the open end of the chamber and a second compartment of the two adjacent compartments has the partition facing opposite the closed end of the chamber. The partition has one or more holes to allow passage of fluid from the first compartment into the second compartment. A tracking identification may be permanently affixed to the first end of the tubular body.

Abstract translation: 提供了用于样品收集和处理的装置和方法。 管状体具有在第一端处由薄的可穿透屏障封闭并且在与第一端相对的第二端处打开的腔室。 管状体还包括将腔室分成两个相邻隔室的隔板，其中两个相邻隔室的第一隔室具有面向腔室的开口端的隔板，并且两个相邻室的第二隔室具有面向相对的隔板 封闭的腔室。 分隔件具有一个或多个孔，以允许流体从第一隔室进入第二隔室。 跟踪识别可以永久地固定在管状体的第一端。