Results 101 to 110 of about 1,064,285 (340)

Ultraviolet observations of Titan from OAO-2 [PDF]

High altitude deposition of energy in Titan's atmosphere can have a significant effect on the spectral distribution of emitted thermal radiation from the satellite.
Caldwell, J. J.
core   +1 more source

Molecular Signatures in the Near Infrared Dayside Spectrum of HD 189733b [PDF]

, 2008
We have measured the dayside spectrum of HD 189733b between 1.5 and 2.5 microns using the NICMOS instrument on the Hubble Space Telescope. The emergent spectrum contains significant modulation, which we attribute to the presence of molecular bands seen ...
Bouwman, J., Chen, Pin, Deming, D., Deroo, P., Swain, M. R., Tinetti, G., Vasisht, G., Yung, Y.   +7 more
core   +2 more sources

Green Propolis Extract‐Mediated Synthesis of Biogenic Silver Nanoparticles: In Vitro Antileishmanial and Antibacterial Activities, Cytotoxicity and Ex Vivo Irritation Testing

Chemistry &Biodiversity, EarlyView.
ABSTRACT This study describes the green synthesis, characterization, and biological evaluation of silver nanoparticles (AgNPs) obtained from green propolis (AgNPs‐PRO). Before nanoparticles synthesis, a hydroethanolic green propolis extract (GPE) was obtained through ultrasound‐assisted extraction and characterized by high‐performance liquid ...
Erica Tirzah S. Lima, Victoria L. S. Santos, Wanessa J. S. Mota, Frederico S. Martins, Ricardo L. C. de Albuquerque‐Junior, André L. S. Santos, Simone S. C. Oliveira, Jéssica A. de Lima, Adriana de Jesus Santos, Cochiran P. dos Santos, Sona Jain, Eliana B. Souto, Juliana C. Cardoso, Patrícia Severino   +13 more
wiley   +1 more source

Preparation of Polyester-Based Metal-Cross Linked Polymeric Composites as Novel Materials Resistant to Bacterial Adhesion and Biofilm Formation

Molecules, 2011
Bacterial biofilms constitute an extremely resistant form of bacterial colonization with dire health and economical implications. Towards achieving polymeric composites capable of resisting bacterial adhesion and biofilm formation, we prepared five 2,6 ...
Mutasem O. Taha, Ruhaifa Mahmoud, Suhair Saleh, Sami O. Taha, Bassam Sweileh   +4 more
doaj   +1 more source

High Sensitivity L‐Cysteine Indium Telluriselenide Quantum Dot‐Inspired Aptasensor for Interferon Gamma TB Biomarker

ChemElectroChem, EarlyView.
An electrochemical interferon‐gamma (IFN‐γ) aptasensor is developed with L‐cysteine‐indium telluriselenide quantum dot (QD) and 24 mer guanine‐thymine DNA aptamer. The aptasensor exhibits high sensitivity in buffer and human serum samples. From calibration analysis, the limit of detection of the aptasensor is 0.312 pg mL−1 IFN‐γ, which indicates good ...
Kaylin Cleo Januarie, Usisipho Feleni, Candice Cupido, Nelia Abraham Sanga, Rachel Fanelwa Ajayi, Emmanuel Iheanyichukwu Iwuoha, Marlon Oranzie, Jaymi Leigh January, Zandile Dennis Leve   +8 more
wiley   +1 more source

Dextran‐Assisted Biomimetic Fabrication of CdSe:Eu QDs With Enhanced Biocompatibility and Stability

Chemistry – A European Journal, EarlyView.
Dextran‐templated CdSe:Eu quantum dots were synthesized and coated with citrate or APTES to enhance stability and reduce cytotoxicity. Structural, optical, and biological evaluations demonstrated their potential for cellular imaging and theragnostic applications. Abstract A dextran templated biomimetic synthetic approach was applied for the preparation
Myrto Margariti, Marianna Roussaki, Elias Sakellis, Nikos Boukos, Maria Theodosiou, Nikoleta Kostopoulou, Eleni K. Efthimiadou   +6 more
wiley   +1 more source

INFRARED SPECTROPHOTOMETRY, A RAPID AND EFFECTIVE TOOL FOR CHARACTERIZATION OF DIRECT DISTILLATION NAPHTHAS La espectrofotometría infraroja, una herramienta rápida y efectiva para la caracterización de naftas de destilación directa

CT&F Ciencia, Tecnología & Futuro, 2005
The characterization of naphtha obtained by direct distillation of medium and heavy crude oils is often limited by the low yield of these fractions. Gas chromatography is a technique that allows a complete determination of the chemical composition of ...
Carlos-A Baldrich Ferrer, Luz-Ángela Novoa Mantilla   +1 more
doaj  

Silver nanoparticles synthesized biogenically from Aloe fleurentiniorum extract: characterization and antibacterial activity

Green Chemistry Letters and Reviews, 2020
The biogenic synthesis of silver nanoparticles (AgNPs) using Aloe fleurentiniorum extract and antibacterial activity of the synthesized AgNPs were investigated.
Saleh H. Salmen, Sulaiman Ali Alharbi
doaj   +1 more source

A Sequential Catalytic Carbonation–Hydrolysis–Diol Dehydrogenation Reaction of Epoxides

ChemPlusChem, EarlyView.
A sequential/cascade carbonation–hydrolysis–diol dehydrogenation reaction of epoxides is catalyzed by <0.05 mol% of a commercially available ionic liquid and platinum on carbon, to make react CO2 and generate H2. The final catalytic system is achieved after studying the individual steps and finding common reaction conditions. These results open the way
Alejandro Lumbreras‐Teijeiro, Judit Oliver‐Meseguer, Antonio Leyva‐Pérez   +2 more
wiley   +1 more source

Near-infrared laser-mediated drug release and antibacterial activity of gold nanorod–sputtered titania nanotubes

Journal of Tissue Engineering, 2018
The infection control of implants is one of the hot issues in the field of medicine and dentistry. In this study, we prepared gold nanorod–sputtered titania nanotubes on titanium surface, which is the main component of implant material, and aimed to ...
Kyoung-Suk Moon, Young-Bum Park, Ji-Myung Bae, Seunghan Oh   +3 more
doaj   +1 more source