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CRS Employment Opportunities: Research Manager – Banking, Insurance, Securities, and Macroeconomics Policy Section

CRS is accepting applications for a Research Manager – Banking, Insurance, Securities, and Macroeconomics Policy Section, GS-15 until April 6, 2020.

Click here for more information.




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CRS Employment Opportunities: Analyst on Congress and the Legislative Process

CRS is accepting applications for an Analyst on Congress and the Legislative Process, GS-12 until April 17, 2020.

Click here for more information.




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CRS Employment Opportunities: Analyst in Environmental Policy

CRS is accepting applications for an Analyst in Environmental Policy, GS-14 until May 7, 2020.

Click here for more information.




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FCC Adopts a New Official Seal in Anticipation of Relocation

In anticipation of its upcoming move, the FCC has adopted a new FCC seal. The redesigned seal is the product of an agency-wide contest that solicited proposals from employees and contractors. The winning design, submitted by Umasankar Arumugam, was selected by a vote of the agency’s employees and contractors.

The revised design incorporates several elements: communications technologies currently...




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AMSAT Solicits Nominations for the 2020 Board of Directors Election

AMSAT is soliciting candidate nominations for the 2020 Board of Directors Election set for later this year, to fill the seats of three incumbent Directors whose 2-year terms expire in 2020: Tom Clark, K3IO; Mark Hammond, N8MH, and Bruce Paige, KK5DO. AMSAT members may further elect up to two Alternate Directors for 1-year terms. Valid Director nominations must be in writing and require either o...




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RSGB’s RadCom Magazine May Edition Available to All Online




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May/June Issue of ARRL’s On the Air Magazine Now Available

The May/June digital edition of ARRL’s On the Air magazine is now available. Read it and other ARRL digital publications by browsing to the ARRL Magazines page. In this issue:

  • Tips for better repeater operating

  • Understanding modulation

  • Go-kit basics

  • Building a portable antenna mount

  • Shopping for a mobile radio

…and much more!

You can also read the issue on your Apple, Android, or Kindle device by ...




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IARU Region 2 Online Emergency Communication Workshops Get Under Way

International Amateur Radio Union Region 2 (IARU R2) virtual emergency communication workshops got under way on April 29, when the first of the programs in English and Spanish, “What is Winlink and its Importance during Emergency Communications,” was presented in Spanish. Workshop presenter Alfonso Tamez, XE2O, of the Mexican Federation of Radio Amateurs, offered insights into the usefulness an...




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Coronavirus Creating Short-Term Delivery Delays from ARRL Headquarters




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[ASAP] “Sample-to-Answer” Detection of Rare ctDNA Mutation from 2 mL Plasma with a Fully Integrated DNA Extraction and Digital Droplet PCR Microdevice for Liquid Biopsy

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00818




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[ASAP] Microfluidic Platform for the Isolation of Cancer-Cell Subpopulations Based on Single-Cell Glycolysis

Analytical Chemistry
DOI: 10.1021/acs.analchem.9b05738




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[ASAP] ICBM-OCEAN: Processing Ultrahigh-Resolution Mass Spectrometry Data of Complex Molecular Mixtures

Analytical Chemistry
DOI: 10.1021/acs.analchem.9b05659




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[ASAP] One-Step Surface Modification to Graft DNA Codes on Paper: The Method, Mechanism, and Its Application

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00317




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[ASAP] Hollow Fiber Liquid-Phase Microextraction At-Line Coupled to Capillary Electrophoresis for Direct Analysis of Human Body Fluids

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00697




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[ASAP] In Situ Incorporation of Fluorophores in Zeolitic Imidazolate Framework-8 (ZIF-8) for Ratio-Dependent Detecting a Biomarker of Anthrax Spores

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00499




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[ASAP] FTIR Spectroelectrochemistry of F4TCNQ Reduction Products and Their Protonated Forms

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00615




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[ASAP] Bifunctional Au@Pt/Au core@shell Nanoparticles As Novel Electrocatalytic Tags in Immunosensing: Application for Alzheimer’s Disease Biomarker Detection

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00760




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[ASAP] Intuitive Model of Surface Modification Induced by Cluster Ion Beams

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c01219




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[ASAP] High-Field Asymmetric Waveform Ion Mobility Spectrometry and Native Mass Spectrometry: Analysis of Intact Protein Assemblies and Protein Complexes

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00649




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[ASAP] Sulfenic Acid-Mediated on-Site-Specific Immobilization of Mitochondrial-Targeted NIR Fluorescent Probe for Prolonged Tumor Imaging

Analytical Chemistry
DOI: 10.1021/acs.analchem.9b05855




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[ASAP] Structural Characterization of Individual a-Synuclein Oligomers Formed at Different Stages of Protein Aggregation by Atomic Force Microscopy-Infrared Spectroscopy

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00593




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[ASAP] Temporal-Spatial-Color Multiresolved Chemiluminescence Imaging for Multiplex Immunoassays Using a Smartphone Coupled with Microfluidic Chip

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c01405




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[ASAP] Toward the Rational Design of Universal Dual Polarity Matrix for MALDI Mass Spectrometry

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00570




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[ASAP] Single-Cell Metabolic Profiling: Metabolite Formulas from Isotopic Fine Structures in Heterogeneous Plant Cell Populations

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00936




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[ASAP] Probing the Mechanism of Structure-Switching Aptamer Assembly by Super-Resolution Localization of Individual DNA Molecules

Analytical Chemistry
DOI: 10.1021/acs.analchem.9b05563




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[ASAP] Zirconium–Metalloporphyrin Frameworks–Luminol Competitive Electrochemiluminescence for Ratiometric Detection of Polynucleotide Kinase Activity

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c01262




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[ASAP] A Smart Advanced Chemiluminescence-Sensing Platform for Determination and Imaging of the Tissue Distribution of Natural Antioxidants

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00044




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[ASAP] Asymmetrical Flow Field Flow Fractionation Coupled to Nanoparticle Tracking Analysis for Rapid Online Characterization of Nanomaterials

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00406




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[ASAP] Characterizing and Quantitating Therapeutic Tethered Multimeric Antibody Degradation Using Affinity Capture Mass Spectrometry

Analytical Chemistry
DOI: 10.1021/acs.analchem.9b05739




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[ASAP] Rapid and Sensitive Detection of anti-SARS-CoV-2 IgG, Using Lanthanide-Doped Nanoparticles-Based Lateral Flow Immunoassay

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00784




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[ASAP] Isothermal Chemical Denaturation: Data Analysis, Error Detection, and Correction by PARAFAC2

Analytical Chemistry
DOI: 10.1021/acs.analchem.9b05748




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[ASAP] Highly Sensitive and Selective Detection of Heparin in Serum Based on a Long-Wavelength Tetraphenylethylene–Cyanopyridine Aggregation-Induced Emission Luminogen

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00496




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[ASAP] Method for Structural Determination of Lipid-Derived Radicals

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00053




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[ASAP] Metal–Organic Framework-Enhanced Solid-Phase Microextraction Mass Spectrometry for the Direct and Rapid Detection of Perfluorooctanoic Acid in Environmental Water Samples

Analytical Chemistry
DOI: 10.1021/acs.analchem.9b05524




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[ASAP] Capping Ligand Size-Dependent LSPR Property Based on DNA Nanostructure-Mediated Morphological Evolution of Gold Nanorods for Ultrasensitive Visualization of Target DNA

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00321




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[ASAP] Fold-Change Compression: An Unexplored But Correctable Quantitative Bias Caused by Nonlinear Electrospray Ionization Responses in Untargeted Metabolomics

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00246




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[ASAP] Discovering New Lipidomic Features Using Cell Type Specific Fluorophore Expression to Provide Spatial and Biological Specificity in a Multimodal Workflow with MALDI Imaging Mass Spectrometry

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00446




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[ASAP] Breaking the Affinity Limit with Dual-Phase-Accessible Hotspot for Ultrahigh Raman Scattering of Nonadsorptive Molecules

Analytical Chemistry
DOI: 10.1021/acs.analchem.9b05727




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[ASAP] Hydrogen/Deuterium and <sup>16</sup>O/<sup>18</sup>O-Exchange Mass Spectrometry Boosting the Reliability of Compound Identification

Analytical Chemistry
DOI: 10.1021/acs.analchem.9b05379




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[ASAP] Sequencing of Small DNA Fragments with Aggregated-Induced-Emission Molecule-Labeled Nucleotides

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00707




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[ASAP] In Situ Study of the Drug–Target Protein Interaction in Single Living Cells by Combining Fluorescence Correlation Spectroscopy with Affinity Probes

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00263




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[ASAP] Mass Transfer Modulation and Gas Mapping Based on Covalent Organic Frameworks-Covered Theta Micropipette

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c01152




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[ASAP] Characterization of Post-Transcriptional RNA Modifications by Sheathless Capillary Electrophoresis–High Resolution Mass Spectrometry

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c01345




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[ASAP] Metal Ion-Mediated Potential-Resolved Ratiometric Electrochemiluminescence Bioassay for Efficient Determination of miR-133a in Early Diagnosis of Acute Myocardial Infarction

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00377




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[ASAP] Self-Enhanced Chemiluminescence of Tris(bipyridine) Ruthenium(II) Derivative Nanohybrids: Mechanism Insight and Application for Sensitive Silver Ions Detection

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00897




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[ASAP] Correction of <italic toggle="yes">Q</italic> Factor Effects for Simultaneous Collection of Elemental Analysis and Relaxation Times by Nuclear Magnetic Resonance

Analytical Chemistry
DOI: 10.1021/acs.analchem.9b05603




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[ASAP] In Vivo Chemical Analysis of Plant Sap from the Xylem and Single Parenchymal Cells by Capillary Microsampling Electrospray Ionization Mass Spectrometry

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00939




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[ASAP] Counterflow Gradient Focusing in Free-Flow Electrophoresis for Protein Fractionation

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c01024




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[ASAP] Collision-Induced Unfolding Studies of Proteins and Protein Complexes using Drift Tube Ion Mobility-Mass Spectrometer

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00772




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[ASAP] CycloBranch 2: Molecular Formula Annotations Applied to imzML Data Sets in Bimodal Fusion and LC-MS Data Files

Analytical Chemistry
DOI: 10.1021/acs.analchem.0c00170