Stories
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Briefs: Physical Sciences
Pixelized Device Control Actuators for Large Adaptive Optics
A fully integrated, compact, adaptive space optic mirror assembly has been developed, incorporating new advances in ultralight, high- performance composite mirrors. The composite mirrors use Q-switch matrix architecture- based pixelized control (PMN-PT) actuators, which achieve high-...
Briefs: Materials
It is now possible to grow silicon nanowires at chosen positions and orientations by a method that involves a combination of standard microfabrication processes. Because their...
Articles: Robotics, Automation & Control
Whether performing an intricate surgery, positioning a patient, or taking a tissue sample, today’s biomedical devices are taking advantage of advanced motion control devices to ensure...
Briefs: Mechanical & Fluid Systems
Device Acquires and Retains Rock or Ice Samples
The Rock Baller is a sample acquisition tool that improves sample retention. The basic elements of the Rock Baller are the tool rotation axis, the hub, the two jaws, and the cutting blades, which are located on each of the jaws. The entire device rotates about the tool rotation axis, which is aligned...
Articles: Electronics & Computers
Capacitive sensors can be used to measure many different physical parameters that are important when monitoring the health of patients. In particular, the technical advances made by sensor...
Articles: Medical
Advances in medical design are paving the way for diagnostic and treatment options that previously were thought to be impossible. Today, surgeons, emergency medical personnel,...
Briefs: Software
Parallel Computing for the Computed-Tomography Imaging Spectrometer
This software computes the tomographic reconstruction of spatial-spectral data from raw detector images of the Computed-Tomography Imaging Spectrometer (CTIS), which enables transient-level, multi-spectral imaging by capturing spatial and spectral information in a single snapshot....
Briefs: Medical
The term “Multi-Angle and Rear Viewing Endoscopic tooL” (MARVEL) denotes an auxiliary endoscope, now undergoing development, that a surgeon would use in conjunction...
Briefs: Medical
It has been proposed to develop special-purpose electronic noses and algorithms for processing the digitized outputs of the electronic noses for determining whether tissue exposed...
Briefs: Materials
Molecules for Fluorescence Detection of Specific Chemicals
A family of fluorescent dye molecules has been developed for use in "on-off" fluorescence detection of specific chemicals. By themselves, these molecules do not fluoresce. However, when exposed to certain chemical analytes in liquid or vapor forms, they do fluoresce (see figure). These...
Briefs: Physical Sciences
Remote-Sensing Time Series Analysis, a Vegetation Monitoring Tool
The Time Series Product Tool (TSPT) is software, developed in MATLAB®, which creates and displays high signal-to-noise Vegetation Indices imagery and other higher-level products derived from remotely sensed data. This tool enables automated, rapid, large-scale regional surveillance...
Articles: Sensors/Data Acquisition
(Winner of an HP Workstation)
3D Ultrasonic Neuronavigation System for Image-Guided Brain Surgery
Ajay Mahajan
Southern Illinois University Carbondale
Murphysboro, IL
This...
Briefs: Medical
A continuing program of research and development is focusing on the use of controlled illumination by light-emitting diodes (LEDs) to treat mucositis and to accelerate healing of wounds. The...
Who's Who: Medical
Medical imaging technology has led to quicker diagnoses of conditions that, when caught early, can be treated. However, because such devices are large, they are impractical in the...
Application Briefs: Imaging
A partnership between the Toshiba Imaging Systems Division of Toshiba America (Irvine, CA) and Apollo Telemedicine (Falls Church, VA) has resulted in an advanced, real-time diagnostic imaging...
Articles: Medical
New technologies are providing doctors and patients with more options for treatment and improved quality of life than ever before. Procedures once entailing long recovery times and scarring may...
Application Briefs: Robotics, Automation & Control
In the USA and other developed countries, cancer is responsible for 25% of all deaths. In spite of the most recent advances in cancer research, by far the best curative treatment for the disease is...
Briefs: Medical
Stationary Apparatus Would Apply Forces of Walking to Feet
A proposed apparatus would apply controlled cyclic forces to both feet for the purpose of preventing the loss of bone density in a human subject whose bones are not subjected daily to the mechanical loads of normal activity in normal Earth gravitation. The apparatus was conceived for use by...
Who's Who: Medical
At remote sites, the International Space Station, or missions to the Moon or Mars, illness and injury can be extremely serious. Far from hospitals, scientists and astronauts may find...
Briefs: Photonics/Optics
The stimulation of nerve tissue is a technique that is used in both research and clinical applications. Neuroscientists use nerve stimulation to study the fundamental principles of the nervous system...
Briefs: Medical
Studying Functions of All Yeast Genes Simultaneously
A method of studying the functions of all the genes of a given species of micro-organism simultaneously has been developed in experiments on Saccharomyces cerevisiae (commonly known as baker’s or brewer’s yeast). It is already known that many yeast genes perform functions similar to those of...
Briefs: Medical
Analysis of Membrane Lipids of Airborne Micro-Organisms
A method of characterization of airborne micro-organisms in a given location involves (1) large-volume filtration of air onto glass-fiber filters; (2) accelerated extraction of membrane lipids of the collected micro-organisms by use of pressurized hot liquid; and (3) identification and...
Briefs: Medical
A noninvasive, sensitive method of diagnosing certain pathological conditions of the human heart involves computational processing of digitized...
Briefs: Materials
Improved Charge-Transfer Fluorescent Dyes
Improved charge- transfer fluorescent dyes have been developed for use as molecular probes. These dyes are based on benzofuran nuclei with attached phenyl groups substituted with, variously, electron donors, electron acceptors, or combi- nations of donors and acceptors. Optionally, these dyes could be...
Articles: Medical
As advances in cellular biology, gene mapping, and other areas of medicine continue, amazing technologies for diagnosing, treating, and even curing diseases are emerging. Specifically,...
Briefs: Medical
In the race to deliver drugs to market more quickly, biopharmaceutical companies need to classify and interpret data at unprecedented rates with tools that eliminate...
Briefs: Medical
Microwave Treatment of Prostate Cancer and Hyperplasia
Microwave ablation in the form of microwave energy applied to a heart muscle by a coaxial catheter inserted in a vein in the groin area can be used to heat and kill diseased heart cells. A microwave catheter has been developed to provide deep myocardial ablation to treat ventricular tachycardia...
Briefs: Materials
Dendrimeric reporter compounds have been invented for use in sensing and amplifying electrochemical signals from molecular recognition events that involve many chemical and biological entities. These...
Briefs: Medical
Probe for Sampling of Interstitial Fluid From Bone
An apparatus characterized as both a membrane probe and a bone ultrafiltration probe has been developed to enable in vivo sampling of interstitial fluid in bone. The probe makes it possible to measure the concentration of calcium and other constituents of the fluid that may be relevant to bone...
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