Results 41 to 50 of about 587,888 (232)

Nanoribbon-Based Electronic Detection of a Glioma-Associated Circular miRNA

open access: yesBiosensors, 2021
Nanoribbon chips, based on “silicon-on-insulator” structures (SOI-NR chips), have been fabricated. These SOI-NR chips, whose surface was sensitized with covalently immobilized oligonucleotide molecular probes (oDNA probes), have been employed for the ...
Yuri D. Ivanov   +18 more
doaj   +1 more source

cDNA-RNA subtractive hybridization reveals increased expression of mycocerosic acid synthase in intracellular Mycobacterium bovis BCG. [PDF]

open access: yes, 2001
Identifying genes that are differentially expressed by Mycobacterium bovis BCG after phagocytosis by macrophages will facilitate the understanding of the molecular mechanisms of host cell-intracellular pathogen interactions. To identify such genes a cDNA-
Centre Gunnels Wood   +7 more
core   +3 more sources

Probe Generation Directly from Small Numbers of Cells for DNA Microarray Studies

open access: yesBioTechniques, 2003
Recently, we described a technique that allows us to prepare probes for expression profiling from 0.5–1 μg RNA without template or signal amplification.
C.C. Xiang   +6 more
doaj   +1 more source

tmRNA - a novel high-copy-number RNA diagnostic target - its application for Staphylococcus aureus detection using real-time NASBA [PDF]

open access: yes, 2009
A real-time nucleic acid sequence-based amplification assay, targeting tmRNA, was designed for the rapid identification of Staphylococcus aureus. The selectivity of the assay was confirmed against a panel of 76 Staphylococcus strains and species and 22 ...
Anonymous   +9 more
core   +1 more source

Development of a Chemiluminescence-Based Ribonuclease Protection Assay

open access: yesBioTechniques, 2002
The ribonuclease protection assay (RPA) is a widely used method for the detection and quantification of specific mRNA transcripts in a complex mixture of total RNA or mRNA molecules. While exhibiting many advantages over other RNA detection methods, RPAs
Christopher Rosenau   +2 more
doaj   +1 more source

Quantification of virus-infected cells using RNA FISH-Flow

open access: yesSTAR Protocols, 2023
Summary: We present a protocol to detect cells that have been infected by RNA viruses. The method, RNA fluorescence in situ hybridization flow cytometry (RNA FISH-Flow), uses 48 fluorescently labeled DNA probes that hybridize in tandem to viral RNA.
Cody J. Warren   +6 more
doaj  

The T7-primer is a source of experimental bias and introduces variability between microarray platforms. [PDF]

open access: yesPLoS ONE, 2008
Eberwine(-like) amplification of mRNA adds distinct 6-10 bp nucleotide stretches to the 5' end of amplified RNA transcripts. Analysis of over six thousand microarrays reveals that probes containing motifs complementary to these stretches are associated ...
Ron M Kerkhoven   +6 more
doaj   +1 more source

Discovery of RNA-binding proteins and characterization of their dynamic responses by enhanced RNA interactome capture

open access: yesNature Communications, 2018
RNA interactome capture allows the detailed investigation of RNA-bound proteomes. Here the authors describe enhanced RNA-interactome capture using LNA-modified probes for increased sensitivity and specificity.
Joel I. Perez-Perri   +7 more
doaj   +1 more source

Transcription-Based Amplified Colorimetric Thrombin Sensor Using Non-Crosslinking Aggregation of DNA-Modified Gold Nanoparticles

open access: yesSensors, 2021
Gold nanoparticles (AuNPs) have been employed as colorimetric biosensors due to the color difference between their dispersed (red) and aggregated (blue) states.
Yu Muto, Gen Hirao, Tamotsu Zako
doaj   +1 more source

Multiple changes in gene expression in chronic human Achilles tendinopathy [PDF]

open access: yes, 2002
Atlas™ cDNA cell interaction arrays (CLONTECH) were used to examine degenerate tissue from four patients with Achilles tendon disorders, in order to identify changes in expression of genes important in cell–cell and cell–matrix interactions. The greatest
Armitage   +22 more
core   +1 more source

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