Results 1 to 10 of about 635,921 (300)

Cobalt Phthalocyanine-Ionic Liquid Composite Modified Electrodes for the Voltammetric Detection of DNA Hybridization Related to Hepatitis B Virus [PDF]

open access: yesMicromachines, 2021
In this study, cobalt phthalocyanine (CoPc) and ionic liquid (IL) modified pencil graphite electrodes (PGEs) were designed and implemented to detect sequence-selective DNA hybridization related to the Hepatitis B virus (HBV). The surface characterization
Ece Yaralı, Arzum Erdem
doaj   +2 more sources

Silicene Quantum Capacitance Dependent Frequency Readout to a Label-Free Detection of DNA Hybridization— A Simulation Analysis [PDF]

open access: yesBiosensors, 2021
The use of deoxyribonucleic acid (DNA) hybridization to detect disease-related gene expression is a valuable diagnostic tool. An ion-sensitive field-effect transistor (ISFET) with a graphene layer has been utilized for detecting DNA hybridization ...
Md. Sazzadur Rahman   +7 more
doaj   +2 more sources

Microchemomechanical devices using DNA hybridization. [PDF]

open access: yesProc Natl Acad Sci U S A, 2021
Significance With simple DNA origami lever arms arranged in hinges and accordion structures, we amplify the nanometer displacements from DNA hairpin zippers to 4-μm motion, easily observable and quantified in real space and real time with conventional optical microscopy.
Zhu G   +9 more
europepmc   +4 more sources

ISOLATION AND IDENTIFICATION OF Spiroplasma citri USING SOME SENSITIVE METHODS [PDF]

open access: yesArab Universities Journal of Agricultural Sciences, 2005
Spiroplasma citri, the causal agent of stubborn disease, was isolated from leaves and fruits of diseased citrus plants and cultured on solid and liquid C3G medium.
Mahrous Rasha M.   +5 more
doaj   +1 more source

Cloning and physical localization of male-biased repetitive DNA sequences in Spinacia oleracea (Amaranthaceae) [PDF]

open access: yesComparative Cytogenetics, 2021
Spinach (Spinacia oleracea Linnaeus, 1753) is an ideal material for studying molecular mechanisms of early-stage sex chromosome evolution in dioecious plants. Degenerate oligonucleotide-primed polymerase chain reaction (DOP-PCR) technique facilitates the
Jian Zhou   +8 more
doaj   +3 more sources

Fluorescence Imaging Study of Film Coating Structure and Composition Effects on DNA Hybridization

open access: yesAdvanced NanoBiomed Research, 2023
Hybridization of surface‐bound DNA with complementary strands is the basis of many biotechnological applications. Herein, the structure of interfacial coatings between substrate and bound DNA is a crucial element for hybridization behavior. Herein, three
Bingquan Yang   +8 more
doaj   +1 more source

The Roles of the Fluorescent In Situ Hybridization (FISH) and Comparative Genomic Hybridization (CGH) Techniques in the Detection of the Breast Cancer

open access: yesBiology, Medicine & Natural Product Chemistry, 2022
This paper aimed to understand and compare the two popular cytogenetic techniques of fluorescence in situ hybridization (FISH) and comparative genomic hybridization (CGH) in detecting breast cancer chromosomal abnormality.
Harem Othman Smail
doaj   +1 more source

Detection of chromosome aberrations in the human interphase nucleus by visualization of specific target DNAs with radioactive and non-radioactive in situ hybridization techniques: diagnosis of trisomy 18 with probe L1.84 [PDF]

open access: yes, 1986
The localization of chromosome 18 in human interphase nuclei is demonstrated by use of radioactive and nonradioactive in situ hybridization techniques with a DNA clone designated L1.84.
A. Brückner   +33 more
core   +1 more source

Bismuth Oxide Nanoparticles/Chitosan/Modified Electrode as Biosensor for DNA Hybridization

open access: yesInternational Journal of Electrochemical Science, 2011
An electrochemical DNA biosensor based on nanoparticles bismuth oxide Bi2O3 for DNA immobilization and hybridization detection is presented. The nano Bi2O3/chitosan-modified gold electrode (AuE) was fabricated and oligonucleotides were immobilized onto ...
Safura Taufik   +3 more
doaj   +1 more source

Nano scale instance-based learning using non-specific hybridization of DNA sequences

open access: yesCommunications Engineering, 2023
DNA, or deoxyribonucleic acid, is a powerful molecule that plays a fundamental role in storing and processing genetic information of all living organisms.
Yanqing Su   +7 more
doaj   +1 more source

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