Results 71 to 80 of about 53,726 (303)

Aptamer-based inhibition of MNK1 reduces pancreatic ductal adenocarcinoma growth by targeting cancer stem cells

open access: yesJournal of Biomedical Science
Background Pancreatic ductal adenocarcinoma (PDAC) remains one of the deadliest cancers due to late diagnosis, early metastasis and resistance to therapy. Cancer stem cells (CSCs) have been implicated in PDAC aggressiveness and treatment failure.
Alberto Pérez-Ruiz   +14 more
doaj   +1 more source

A DNA-Based Biosensor Assay for the Kinetic Characterization of Ion-Dependent Aptamer Folding and Protein Binding

open access: yesMolecules, 2019
Therapeutic and diagnostic nucleic acid aptamers are designed to bind tightly and specifically to their target. The combination of structural and kinetic analyses of aptamer interactions has gained increasing importance.
Irene Ponzo   +3 more
doaj   +1 more source

Integrative structural biology studies of HIV-1 reverse transcriptase binding to a high-affinity DNA aptamer

open access: yesCurrent Research in Structural Biology, 2020
The high-resolution crystal structure of HIV-1 reverse transcriptase (RT) bound to a 38-mer DNA hairpin aptamer with low pM affinity was previously described.
Steve Tuske   +11 more
doaj   +1 more source

Aptamer-Based Analysis and Manipulation of the Protein Activity in Living Cells

open access: yes, 2022
Directly analyzing and precisely manipulating the activity of target proteins without altering their natural structure and expression would be essential to decoding many protein-dominant cellular processes.
Kanyu Xun   +13 more
core   +1 more source

Ultrathin and Flexible Organic Light‐Addressable Potentiometric Sensors

open access: yesAdvanced Materials Technologies, EarlyView.
The first ultrathin, fully organic, and flexible light‐addressable potentiometric sensor (LAPS) is demonstrated. With a thickness of only 2.3–2.9 µm, this standalone film offers sensitivity to electrolyte potential and stable performance for over 170 days.
Ami Ichikawa   +6 more
wiley   +1 more source

In vitro Selection and Interaction Studies of a DNA Aptamer Targeting Protein A. [PDF]

open access: yesPLoS ONE, 2015
A new DNA aptamer targeting Protein A is presented. The aptamer was selected by use of the FluMag-SELEX procedure. The SELEX technology (Systematic Evolution of Ligands by EXponential enrichment) is widely applied as an in vitro selection and ...
Regina Stoltenburg   +2 more
doaj   +1 more source

Liquid Metal Resistive Sensing Architectures for Measuring Diaphragm Strain Responses on Obstructed Surfaces

open access: yesAdvanced Materials Technologies, EarlyView.
A liquid metal‐based strain‐sensing architecture to measure the deformation of a circular diaphragm against obstructed surfaces is formulated using finite element modeling and confocal imaging to establish the mechanical framework and is utilized to control diaphragm‐induced confinement on a bead array, as validated by biomolecular loading level ...
Abdullah‐Bin Siddique   +4 more
wiley   +1 more source

The life marker chip : potential use of aptamers against small molecules and consideration of instrument planetary protection [PDF]

open access: yes, 2013
The Life Marker Chip (LMC) instrument was developed with the aim to detect evidence of life on Mars. The detection was based on an inhibition immunoassay. In this work aptamers were evaluated as potential alternative to antibodies for the LMC.
Rato, Carla Cristina Pereira Salgueiro Catarino
core   +4 more sources

Aptamer-nanosilver conjugates and their antibacterial activity

open access: yes, 2019
The rise of antibiotic resistance in bacteria constitutes one of the greatest emerging threats to human health that requires the urgent development of new drugs and treatment approaches.
Jennifer Soundy (4455385)
core   +1 more source

Recent Advances in Light‐Addressable Electrochemistry for Spatially Resolved Applications

open access: yesAdvanced Materials Technologies, EarlyView.
This comprehensive review highlights light‐addressable electrochemistry as a powerful tool that uses light to control localized chemical reactions on unstructured semiconductor surfaces. The work evaluates advanced strategies to optimize electrode materials for enhanced spatial resolution and stability. Furthermore, it showcases diverse applications in
Nhi Trang Vo   +2 more
wiley   +1 more source

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