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abby olena

Abby Olena, PhD

Articles by Abby Olena, PhD

A multicolored section of a fruit fly brain

Tumors Disrupt the Blood-Brain Barrier at a Distance

Six primates eat leaves

Umami Taste Receptor Evolved with Primates’ Diets

Watercolor coronaviruses in green, red, blue, and purple are layered above an abstract background of watercolor swashes

Plenty of Evidence for Recombination in SARS-CoV-2

Red blood vessels that decrease in diameter as they radiate outward are pictured on a pink and white surface

Antisense Oligonucleotides Cross Rodents’ Blood-Brain Barrier

A grayscale electron micrograph shows hundreds of sperm cells stuck together in the foreground

Antibodies Stop Sperm in Their Tracks

ribbon model of phenylalanine hydroxylase enzyme

Noncoding RNA Improves Symptoms in Mice with Metabolic Disorder

a micrograph of putative sponge fossils with small tunnel-like structures in white on a black background

890-Million-Year-Old Fossils Are Sponges, Oldest Animals: Study

A close-up of a fruit fly head with antenna clearly visible in front of its red eyes

Bacterial Infections Disrupt Flies’ Sense of Smell

A computer-generated graphic showing a cross-section of red-colored bacteria, with the locations of the protein APOL3 labeled in green.

Human Protein Dissolves Bacterial Membranes

An illustration of several DNA helices on a light red water color background

Human Blood Harbors Cell-Free Microbial DNA

A vial containing a red blood sample is balanced on its end on a table or desk by someone wearing a blue medical glove on their right hand

New Evidence Shows COVID-19 Was in US Weeks Before Thought

A micrograph with a grey background shows both purple bacteria and green algae within a ciliated microorganism

A Protist Hosts Both Green Algae and Purple Bacteria Symbionts

The Scientist Digest cover September 2026
September 2026

Multiplex Microscopy Becomes Easier with Encoded Antibodies

A new system that enables researchers to uniquely tag monoclonal antibodies for use in microscopy could help simplify complex imaging studies.

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Rethinking ALS Biomarkers: From Discovery to Clinical Impact

Rethinking ALS Biomarkers: From Discovery to Clinical Impact

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Best Practices for qPCR Assay Design and Optimization

Best Practices for qPCR Assay Design and Optimization

Bio-Rad
Beyond the Basics: Strategies for Single-Cell and Spatial Transcriptomics Analysis

Beyond the Basics: Strategies for Single-Cell and Spatial Transcriptomics Analysis

bioxcell
Scientist reviewing cellular and molecular data on a computer in a laboratory.

Building Translation-Ready Biomarkers with Connected Workflows

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