David E. Schwartz
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View article: Left Atrial-to-Right Atrial Shunt Without Atrial Septal Defect or Precordial Murmur
Left Atrial-to-Right Atrial Shunt Without Atrial Septal Defect or Precordial Murmur Open
Pulmonary varix is infrequent, and when present, is usually clinically silent and found only as an incidental finding on chest roentgenogram. Hypertrophic cardiomyopathy, in contrast, is fairly frequent, and when present, is frequently cli…
View article: Printed hygroscopic electrodes for low-cost capacitive relative humidity sensors
Printed hygroscopic electrodes for low-cost capacitive relative humidity sensors Open
A capacitive relative humidity sensor includes a first electrode and a second electrode, where at least the one of the electrodes is a water-permeable electrode. The electrodes act in conjunction with a water-sensitive hygroscopic dielectr…
View article: Metal nanoparticle-decorated nanotubes for gas sensing
Metal nanoparticle-decorated nanotubes for gas sensing Open
Disclosed herein are embodiments of compositions for gas sensing and sensors utilizing the same. In one embodiment, a composition comprises carbon nanotubes and and polymer-coated metal nanoparticles bound to the carbon nanotubes.
View article: Sensor network system
Sensor network system Open
A sensor network system that includes a sensor array having a plurality of sensor units that include a plurality of sensor elements, each sensor element configured to generate an electrical signal in response to a chemical environment in t…
View article: Method and system for analyzing gas leak based on machine learning
Method and system for analyzing gas leak based on machine learning Open
Embodiments of the present invention provide a system for estimating a location of a gas leak, based on machine learning from forward gas concentration data provided by an analog or scale model including a gas source. The system improves s…
View article: Programmable micro-transfer-printing for heterogeneous material integration
Programmable micro-transfer-printing for heterogeneous material integration Open
Micro-transfer printing is an emerging assembly technique to deterministically transfer ink comprising micro-/nano-objects from a donor substrate to a receiver substrate. This technique has generated increasing interest over the last decad…
View article: Abandoned U.S. Published Patent Applications (Jan. 1, 2000 to July 1, 2017)
Abandoned U.S. Published Patent Applications (Jan. 1, 2000 to July 1, 2017) Open
U.S. Published Patent Applications from January 1, 2000 to July 1, 2017 that were "truly" abandoned, identified by Christopher Cotropia and David Schwartz. "Truly" abandoned, coding methodology, and analysis available in Christopher Cotrop…
View article: Ultra-Low SWaP CO<sub>2</sub> Sensing for Demand Control Ventilation (Final Report)
Ultra-Low SWaP CO<sub>2</sub> Sensing for Demand Control Ventilation (Final Report) Open
In this project PARC and Energy ETC aimed to develop an ultra-low cost, size, weight, and power (SWaP) printed CO2 sensor system for occupancy detection to enable Demand Control Ventilation (DCV) on a per-room basis. The CO2 sensor technol…
View article: Passively-Powered Adaptively-Located Flexible Hybrid Sensors Final Report
Passively-Powered Adaptively-Located Flexible Hybrid Sensors Final Report Open
PARC, a Xerox Company, is developing a low-cost system of peel-and-stick wireless sensors that will enable widespread building environment sensor deployment with the potential to deliver up to 30% energy savings. The system is embodied by …
View article: A self-regenerating electrocaloric cooler.
A self-regenerating electrocaloric cooler. Open
In this paper, we report a self-regenerating solid-state electrocaloric cooler that achieves a high ratio between the temperature span of the device and the electric-field-induced temperature change of the electrocaloric (EC) elements. The…
View article: Peel-and-Stick Sensors Powered by Directed RF Energy
Peel-and-Stick Sensors Powered by Directed RF Energy Open
PARC, a Xerox Company, is developing a low-cost system of peel-and-stick wireless sensors that will enable widespread building environment sensor deployment with the potential to deliver up to 30% energy savings. The system is embodied by …
View article: Isoflurane promotes phagocytosis of apoptotic neutrophils through AMPK-mediated ADAM17/Mer signaling
Isoflurane promotes phagocytosis of apoptotic neutrophils through AMPK-mediated ADAM17/Mer signaling Open
A patient's recovery from lung inflammatory injury or development of multi-system organ failure is determined by the host's ability to resolve inflammation and repair tissue damage, both of which require the clearance of apoptotic neutroph…
View article: Tissue Specificity of Human Angiotensin I-Converting Enzyme
Tissue Specificity of Human Angiotensin I-Converting Enzyme Open
Background: Angiotensin-converting enzyme (ACE), which metabolizes many peptides and plays a key role in blood pressure regulation and vascular remodeling, as well as in reproductive functions, is expressed as a type-1 membrane glycoprotei…
View article: Printed dose-recording tag based on organic complementary circuits and ferroelectric nonvolatile memories
Printed dose-recording tag based on organic complementary circuits and ferroelectric nonvolatile memories Open
We have demonstrated a printed electronic tag that monitors time-integrated sensor signals and writes to nonvolatile memories for later readout. The tag is additively fabricated on flexible plastic foil and comprises a thermistor divider, …
View article: Cardiac Depression Induced by Cocaine or Cocaethylene Is Alleviated by Lipid Emulsion More Effectively Than by Sulfobutylether‐β‐cyclodextrin
Cardiac Depression Induced by Cocaine or Cocaethylene Is Alleviated by Lipid Emulsion More Effectively Than by Sulfobutylether‐β‐cyclodextrin Open
Objectives Cocaine intoxication leads to over 500,000 emergency department visits annually in the United States and ethanol cointoxication occurs in 34% of those cases. Cardiotoxicity is an ominous complication of cocaine and cocaethylene …