Results 21 to 30 of about 78,567 (340)

Aptamers: Potential Diagnostic and Therapeutic Agents for Blood Diseases

open access: yesMolecules, 2022
Aptamers are RNA/DNA oligonucleotide molecules that specifically bind to a targeted complementary molecule. As potential recognition elements with promising diagnostic and therapeutic applications, aptamers, such as monoclonal antibodies, could provide ...
Maher M. Aljohani   +5 more
doaj   +1 more source

Electrochemical Aptasensor for Detection of Dopamine [PDF]

open access: yes, 2020
This work presents a proof of concept of a novel, simple, and sensitive method of detection of dopamine, a neurotransmitter within the human brain. We propose a simple electrochemical method for the detection of dopamine using a dopamine-specific aptamer
Abu-Ali, Hisham   +4 more
core   +1 more source

Aptamers in analytics [PDF]

open access: yesThe Analyst, 2016
Nucleic acid aptamers are promising alternatives to antibodies in analytics.
Ilgu, Muslum, Nilsen-Hamilton, Marit
openaire   +3 more sources

Synthesis and characterization of novel ssDNA X-aptamers targeting Growth Hormone Releasing Hormone (GHRH).

open access: yesPLoS ONE, 2022
BackgroundGrowth Hormone Releasing Hormone (GHRH), 44 amino acids containing hypothalamic hormone, retains the biological activity by its first 29 amino acids.
Burcu Ayhan-Sahin   +4 more
doaj   +2 more sources

A grafting strategy for the design of improved G-quadruplex aptamers and high-activity DNAzymes. [PDF]

open access: yesPLoS ONE, 2009
Nucleic acid aptamers are generally obtained by in vitro selection. Some have G-rich consensus sequences with ability to fold into the four-stranded structures known as G-quadruplexes.
Tao Li, Erkang Wang, Shaojun Dong
doaj   +1 more source

Advances in Screening and Development of Therapeutic Aptamers Against Cancer Cells

open access: yesFrontiers in Cell and Developmental Biology, 2021
Cancer has become the leading cause of death in recent years. As great advances in medical treatment, emerging therapies of various cancers have been developed.
Zheng Li   +6 more
doaj   +1 more source

Progress on application of aptamers on food safety detection

open access: yesZhongguo shipin weisheng zazhi, 2022
Aptamers are DNA or RNA molecules that can bind to their target molecules with high affinity and specificity, and because aptamers are stable, simply synthesized and chemically modified, aptamers have become useful tools for analytical, diagnostic and ...
LI Na, WANG Ming, YUAN Jinglei
doaj   +1 more source

Mechanistic insights into an engineered riboswitch: a switching element which confers riboswitch activity [PDF]

open access: yes, 2010
While many different RNA aptamers have been identified that bind to a plethora of small molecules only very few are capable of acting as engineered riboswitches.
Duchardt-Ferner, Elke   +6 more
core   +1 more source

Characterization of MNK1b DNA Aptamers That Inhibit Proliferation in MDA-MB231 Breast Cancer Cells

open access: yesMolecular Therapy: Nucleic Acids, 2016
Elevated expression levels of eukaryotic initiation factor 4E (eIF4E) promote cancer development and progression. MAP kinase interacting kinases (MNKs) modulate the function of eIF4E through the phosphorylation that is necessary for oncogenic ...
Eva M García-Recio   +6 more
doaj   +1 more source

Aptamer Technology and Its Applications in Bone Diseases

open access: yesCell Transplantation, 2023
Aptamers are single-stranded nucleic acids (DNA, short RNA, or other artificial molecules) produced by the Systematic Evolution of Ligands by Exponential Enrichment (SELEX) technology, which can be tightly and specifically combined with desired targets ...
Xiangzhong Liu   +7 more
doaj   +1 more source

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