Results 21 to 30 of about 22,306,055 (235)

Intercomparison of C-14 Analysis of Carbonaceous Aerosols: Exercise 2009 [PDF]

open access: yes, 2013
Radiocarbon analysis of the carbonaceous aerosol allows an apportionment of fossil and non-fossil sources of airborne particulate matter (PM). A chemical separation of total carbon (TC) into its subfractions organic carbon (OC) and elemental carbon (EC ...
L. Derendorp   +70 more
core   +1 more source

Assembly of Conducting Polymer and Biohydrogel for the Release and Real-Time Monitoring of Vitamin K3

open access: yesGels, 2018
In this work, we report the design and fabrication of a dual-function integrated system to monitor, in real time, the release of previously loaded 2-methyl-1,4-naphthoquinone (MeNQ), also named vitamin K3.
Brenda G. Molina   +3 more
doaj   +1 more source

Impact of Sidestream Pre-Treatment on Ammonia Recovery by Membrane Contactors: Experimental and Economic Evaluation

open access: yesMembranes, 2022
Membrane contactor is a promising technology for ammonia recovery from the anaerobic digestion centrate. However, high suspended solids and dissolved organic matter concentrations can reduce the effectiveness of the technology. In this study, coagulation–
Miguel Aguilar-Moreno   +5 more
doaj   +1 more source

Haemophilus influenzae Type b Meningitis in the Short Period after Vaccination: A Reminder of the Phenomenon of Apparent Vaccine Failure

open access: yesCase Reports in Infectious Diseases, 2012
We present two cases of bacterial meningitis caused by Haemophilus influenzae type b (Hib) which developed a few days after conjugate Hib vaccination. This phenomenon of postimmunization provocative time period is reviewed and discussed.
Noa Greenberg-Kushnir   +4 more
doaj   +1 more source

A DNA-Based Assay for Digoxin Detection

open access: yesBiosensors, 2018
The most common method for quantifying small-molecule drugs in blood samples is by liquid chromatography in combination with mass spectrometry. Few immuno-based assays are available for the detection of small-molecule drugs in blood.
Michael V. Kjelstrup   +3 more
doaj   +1 more source

Metabolism of C(14)-acetate by cestodes

open access: yesThe Korean Journal of Parasitology, 1965
The adult worm and plerocercoid larva(sparganum) of Diphyllobothrium mansoni and Moniezia expansa employed in this experiment. The adult worms were divided into three portions, i.e. immature, mature and gravid proglottids, and each proglottids were incubated in 50 cc or 250 cc volume of special incubation flasks with incubation medium consisting of 10 ...
Han Jong, Rim   +5 more
openaire   +2 more sources

<14>^C anatomy of algae in inland ponds and lakes, Antarctica [PDF]

open access: yes, 1999
1999-03In order to clarify the credibility of ^C dating using Antarctic samples, ^C concentrations of fresh water algae collected from some coastal lakes in Antarctica were analyzed by Tandetron Accelerator Mass Spectrometry.
Miura, Hideki   +7 more
core   +1 more source

Plug-and-play nucleic acid-mediated multimerization of biparatopic nanobodies for molecular imaging

open access: yesMolecular Therapy: Nucleic Acids
In cancer molecular imaging, selecting binders with high specificity and affinity for biomarkers is paramount for achieving high-contrast imaging within clinical time frames.
Laura Teodori   +11 more
doaj   +1 more source

Performance simulation of solar cell based on AZO/CdTe heterostructure by SCAPS 1D software

open access: yesHeliyon, 2023
Simulation and analysis of solar cells based on the heterojunction of zinc oxide doped with aluminum (AZO) and cadmium telluride (CdTe) with the structure (Al/AZO/CdTe/NiO/Ni) using the Simulator of the capacitance of solar cells - 1 dimension (SCAPS-1D)
José Carlos Zepeda Medina   +10 more
doaj   +1 more source

Azinyl sulfides. LXXXI. 14-Phenyl-7-thiapyrano[2,3-c;6,5-c ']diquinoline-14-carbonitrile [Elektronisk resurs]

open access: yes, 2005
The molecules of the title compound, C26H15N3S, have a pentacyclic ring system which is almost planar, with the central ring in a flattened boat conformation. The folding angle between the two quinoline rings is 6.75 ( 7)degrees.
Svensson, Christer,   +5 more
core   +1 more source

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