公开(公告)号：US20230064742A1

公开(公告)日：2023-03-02

申请号：US17797037

申请日：2021-02-23

Applicant: Texas Tech University System

Inventor： Shakil Ahmad Shimul ,  Wei Li

IPC: F24F13/10 ,  F16K31/02

Abstract: A fluidic valve system comprises a housing, a shell mounted to the housing, a vent for allowing fluid to enter the housing in a high pressure zone, at least one Dielectric Elastomer Actuator (DEA) flap forming a seal with the shell, wherein applying a voltage to the DEA flap causes the DEA flap to open the seal with the shell so that fluid can exit through a low pressure zone created between the shell and the DEA flap, and a power supply for supplying the voltage to the DEA flap.

公开(公告)号：US11092532B2

公开(公告)日：2021-08-17

申请号：US16621307

申请日：2018-06-22

Applicant: Texas Tech University System

Inventor： Dhananjay Kumar Singh ,  Caroline C. Ahrens ,  Wei Li ,  Siva A. Vanapalli

IPC: G01N15/02 ,  G03H1/04 ,  G03H1/08 ,  G01N33/50 ,  G01N15/10

Abstract: The present invention includes method and device for label-free holographic screening and enumeration of tumor cells in bulk flow comprising: a laser source, a micro-objective, a pinhole device and a collimating lens, a mirror, a sample chamber with a sample flow inlet on a first side of the sample chamber and a sample flow outlet connected by a microchannel, and a detector, wherein the collimated laser beam passes through microchannel and interacts with cells in the sample to generate a respective hologram at the detector, wherein a processor calculates a numerical reconstruction from the respective hologram and generates a focused image of the numerous cells using the numerical reconstruction, wherein the numerous cells are enumerated by looking at a size, a maximum intensity and a mean intensity of the focused image.