Results 1 to 10 of about 2,331,212 (353)

Stability and Detection Limit of Avian Influenza, Newcastle Disease Virus, and African Horse Sickness Virus on Flinders Technology Associates Card by Conventional Polymerase Chain Reaction [PDF]

open access: yesAnimals
The Flinders Technology Associates (FTA) card, a cotton-based cellulose membrane impregnated with a chaotropic agent, effectively inactivates infectious microorganisms, lyses cellular material, and fixes nucleic acid.
Machimaporn Taesuji   +3 more
doaj   +2 more sources

Determination of uranium in solutions by the neutron activation analysis method with 252Cf radionuclide neutron source [PDF]

open access: yesNuclear Technology and Radiation Protection, 2021
A determination option for 238U in solutions by the neutron activation analysis was investigated. A radionuclide treatment based on 252Cf was used as a neutron source.
Ivannikov Sergei I.   +2 more
doaj   +1 more source

Quantifying in situ N2 fluxes from an intensively managed calcareous soil using the 15N gas-flux method

open access: yesJournal of Integrative Agriculture, 2022
Denitrification-induced nitrogen (N) losses from croplands may be greatly increased by intensive fertilization. However, the accurate quantification of these losses is still challenging due to insufficient available in situ measurements of soil ...
Yan LIU   +9 more
doaj   +1 more source

Luminescent method for determination of nanoscale particles of rare earth elements with sulfosalicylic acid derivatives

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2022
It was of interest to search for luminescent reactions to terbium in complexes with sulfosalicylic acid derivatives and to enhance them by studying the effect of third components (aminopolycarboxylic acids, organic bases and surfactants).
S.A. Elcheparova, A.A. Kokoevа
doaj   +1 more source

Review on the Analysis and Testing Method of Typical Plant Growth Regulators in Environment

open access: yesYankuang ceshi, 2023
Plant growth regulators (PGRs) are defined as naturally occurring or artificially synthesized compounds. The functions of PGRs mainly include accelerating or delaying seed germination, breaking plant dormancy, stimulating or reducing bud elongation ...
HU Xiaolei   +4 more
doaj   +1 more source

In-vitro Study for Cerenkov Luminescence Imaging Application in Hepatic Metastasectomy

open access: yesFrontiers in Physics, 2021
Cerenkov luminescence imaging (CLI) has been recently proposed as a method to visualize surgical margins in the operating theater, immediately after resection, to allow refining surgery in a single procedure. Our group is preparing a pilot clinical study
Esther Ciarrocchi   +10 more
doaj   +1 more source

Designing Highly Sensitive Surface Plasmon Resonance Sensor With Dual Analyte Channels

open access: yesIEEE Access, 2021
The ease of controlling waveguide properties through unparalleled design flexibility has made the photonic crystal fiber (PCF) an attractive platform for plasmonic structures.
Md. Aslam Mollah   +6 more
doaj   +1 more source

Quantitative Spectrochip-Coupled Lateral Flow Immunoassay Demonstrates Clinical Potential for Overcoming Coronavirus Disease 2019 Pandemic Screening Challenges

open access: yesMicromachines, 2021
As coronavirus disease 2019 (COVID-19) continues to spread around the world, the establishment of decentralized severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) diagnostics and point-of-care testing is invaluable.
Kai-Feng Hung   +8 more
doaj   +1 more source

Molecularly Imprinted Electrochemical Sensor-Based Fe2O3@MWCNTs for Ivabradine Drug Determination in Pharmaceutical Formulation, Serum, and Urine Samples

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
Ivabradine hydrochloride (IVR) is a medically important drug because of its ability to lower the heart rate. Techniques reported for IVR determination were expensive, laborious, besides being of poor selectivity.
Fatehy M. Abdel-Haleem   +11 more
doaj   +1 more source

Concentration Sensitivity of Nucleic Acid and Protein Molecule Detection Using Nanowire Biosensors

open access: yesBiophysica, 2021
The concentration detection limit (DL) of biomacromolecules attainable using a nanowire detector has become a topical issue. A DL of 10−15 M is required to reveal oncological and infectious diseases at an early stage.
Yuri D. Ivanov   +3 more
doaj   +1 more source

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