[HTML][HTML] In silico assessment of primers for eDNA studies using PrimerTree and application to characterize the biodiversity surrounding the Cuyahoga River
Abstract Analysis of environmental DNA (eDNA) enables the detection of species of interest
from water and soil samples, typically using species-specific PCR. Here, we describe a …
from water and soil samples, typically using species-specific PCR. Here, we describe a …
[HTML][HTML] Dynamic microbial populations along the Cuyahoga River
The study of the microbial communities has gained traction in recent years with the advent of
next-generation sequencing with, or without, PCR-based amplification of the 16S ribosomal …
next-generation sequencing with, or without, PCR-based amplification of the 16S ribosomal …
Experimental and theoretical study of parasitic leakage/resonance in a K/Ka-band MMIC package
…, RN Simons, KA Shalkhauser - IEEE Transactions on …, 1996 - ieeexplore.ieee.org
In this paper, electromagnetic (EM) leakage and spurious resonances in a K/Ka-Band (18-40
GHz) MMIC hermetic package designed for a phase shifter chip are studied using the finite …
GHz) MMIC hermetic package designed for a phase shifter chip are studied using the finite …
Control and Non-Payload Communications (CNPC) Prototype Radio-Generation 2 Security Flight Test Report
DC Iannicca, JA Ishac, KA Shalkhauser - 2015 - ntrs.nasa.gov
NASA Glenn Research Center (GRC), in cooperation with Rockwell Collins, is working to
develop a prototype Control and Non-Payload Communications (CNPC) radio platform as part …
develop a prototype Control and Non-Payload Communications (CNPC) radio platform as part …
Submicron-gate InP power MISFET's with improved output power density at 18 and 20 GHz
…, VJ Kapoor, KA Shalkhauser… - IEEE transactions on …, 1991 - ieeexplore.ieee.org
The microwave characteristics at 18 and 20 GHz of submicron-gate indium phosphide (InP)
metal-insulator-semiconductor field-effect transistors (MISFETs) for high output power …
metal-insulator-semiconductor field-effect transistors (MISFETs) for high output power …
Bit-error-rate testing of high-power 30-GHz traveling wave tubes for ground-terminal applications
KA Shalkhauser, G Fujikawa - 1986 - ntrs.nasa.gov
Tests were conducted at NASA Lewis to measure the bit-error-rate performance of two 30
GHz, 200 W, coupled-cavity traveling wave tubes (TWTs). The transmission effects of each …
GHz, 200 W, coupled-cavity traveling wave tubes (TWTs). The transmission effects of each …
Automated testing of developmental satellite communications systems and subsystems
RJ Kerczewski, KA Shalkhauser - 25th ARFTG Conference …, 1985 - ieeexplore.ieee.org
Lower frequency bands allocated for satellite communications use are rapidly becoming
saturated due to steadily increasing demand. NASA has an ongoing program to develop the …
saturated due to steadily increasing demand. NASA has an ongoing program to develop the …
A three-dimensional finite-element thermal/mechanical analytical technique for high-performance traveling wave tubes
KF Bartos, EB Fite, KA Shalkhauser, GR Sharp - 1991 - ntrs.nasa.gov
Current research in high-efficiency, high-performance traveling wave tubes (TWT's) has led
to the development of novel thermal/ mechanical computer models for use with helical slow-…
to the development of novel thermal/ mechanical computer models for use with helical slow-…
Universal test fixture for monolithic mm-wave integrated circuits calibrated with an augmented TRD algorithm
RR Romanofsky, KA Shalkhauser - International Conference on …, 1989 - ntrs.nasa.gov
The design and evaluation of a novel fixturing technique for characterizing millimeter wave
solid state devices is presented. The technique utilizes a cosine-tapered ridge guide fixture …
solid state devices is presented. The technique utilizes a cosine-tapered ridge guide fixture …
Deep sequencing of environmental DNA isolated from the Cuyahoga River highlights the utility of river water samples to query surrounding aquatic and terrestrial …
Abstract Analysis of environmental DNA (eDNA) enables detection of specific species from
water and soil samples. Typically, these analyses are performed by amplifying a short DNA …
water and soil samples. Typically, these analyses are performed by amplifying a short DNA …