Results 31 to 40 of about 3,854 (187)

2D van der Waals System Integrated with Targeting Radio‐Diagnostic and Imaging Functions

Small, EarlyView.
Layered double hydroxide (LDH) nanoplates were engineered for tumor‐targeted imaging and therapy. By exploiting folate receptor (FR) expression levels, the system achieves selective tumor accumulation and high‐resolution dual PET/fluorescence (PET/FL) imaging.
Sairan Eom, Jae Hun Ahn, Jung Yung Kim, Kyo Chul Lee, Yong Jin Lee, Sanoj Rejinold N, Jin‐Ho Choy   +6 more
wiley   +1 more source

Acute Copper and Ascorbic Acid Supplementation Inhibits Non-heme Iron Absorption in Humans [PDF]

, 2016
The objective of the study is to determine the effect of copper (Cu) plus the reducing agent ascorbic acid (AA) on the absorption of non-heme iron (Fe). Experimental study with block design in which each subject was his own control.
Olivares Grohnert, Manuel, Figueroa Donoso, Constanza, Pizarro Aguirre, Fernando   +2 more
core   +1 more source

Enhanced production of 60Fe in massive stars

Nature Communications
Massive stars are a major source of chemical elements in the cosmos, ejecting freshly produced nuclei through winds and core-collapse supernova explosions into the interstellar medium.
A. Spyrou, D. Richman, A. Couture, C. E. Fields, S. N. Liddick, K. Childers, B. P. Crider, P. A. DeYoung, A. C. Dombos, P. Gastis, M. Guttormsen, K. Hermansen, A. C. Larsen, R. Lewis, S. Lyons, J. E. Midtbø, S. Mosby, D. Muecher, F. Naqvi, A. Palmisano-Kyle, G. Perdikakis, C. Prokop, H. Schatz, M. K. Smith, C. Sumithrarachchi, A. Sweet   +25 more
doaj   +1 more source

A Multicenter Non‐Inferiority Randomized Controlled Trial of Sentinel Lymph Node Biopsy in Early Breast Cancer: Conventional Dual Tracer Versus Superparamagnetic Iron Oxide

World Journal of Surgery, EarlyView.
The gold standard for detecting sentinel lymph node (SLN) in early breast cancer is combined use of radioisotope and blue dye. A newer agent, superparamagnetic iron oxide (SPIO), was developed to address the challenges faced with the traditional method.
Chiu Hoi Woon Tiffany, Ray Ka Wai Hung, Kong Wai Chung Angela, Kwok Sin Man, Sheung Robin Lok Man, Violet Yee Kei Tsoi   +5 more
wiley   +1 more source

Campo del Cielo Iron Meteorite: Sample Shielding and Meteoroids Preatmospheric Size [PDF]

, 2015
Long-lived cosmogenic radioisotopes, 10Be, 26Al, 36Cl, 41Ca and 59Ni, have been measured in five samples from the Campo del Cielo iron meteorite by accelerator mass spectrometry (AMS). The 36Cl activities were significantly above the background.
Liberman, R G, Reedy, R.C., Fernandez Niello, J O, di Tada, M., Fifield, L Keith, Masarik, J   +5 more
core  

A simplified method for determination of radioactive iron in whole-blood samples [PDF]

, 2001
For studies on iron absorption in man radioisotopes represent an easy and simple tool. However, measurement of the orbital electron emitting radioiron, Fe-55, in blood is difficult and insufficiently described in the literature.
Hansen, M., Bukhave, Klaus, Sørensen, Anne Dorthe, Bukhave, K, Sørensen, A. D.   +4 more
core   +1 more source

A Low‐Power Radioisotope XRF Spectrometer for Detection of Light Elements on Planetary Missions

X-Ray Spectrometry, EarlyView.
ABSTRACT Current X‐ray spectrometers for in situ geochemical analysis on planetary missions typically rely either on X‐ray tubes, which demand electrical power and add mass and thermal complexity, or on alpha particle X‐ray spectrometers (APXS) that use rare 244Cm$$ {}^{244}\mathrm{Cm} $$ sources, and come with severe concerns on radiation safety and ...
Leandro Silveri, Artem Knyazev, Hashem Alaidaros, Maryam Manzoor Amanullah, Zach Ioannou, Tengiz Ibrayev, Danish Khan, Sara Leardini, Laura Manenti, Simi Maria Emilia Mangani, Safa Naseem, Sandhya Sharma, Sara Trevisan, Alia Zino, Francesco Arneodo   +14 more
wiley   +1 more source

Relative Absorption of Iron and Magnesium from Sulfate Salts, Amino Acid Chelates Complexed and/or Mixed with Vegetables, and Taste-Free Supplements [PDF]

, 1997
Common methods for determining mineral absorption by the body are invasive and frequently utilize radioisotopes. In experiment one. rats were given a dose of radiolabeled ferrous sulfate.
Bowden, Jennifer A.
core   +2 more sources

The Ames impact structure, Oklahoma: New radioisotopic constraints and implications for North American impact chronology

Meteoritics &Planetary Science, EarlyView.
Abstract The Ames impact structure (Oklahoma) is thought to have formed during the Ordovician Meteor Event, based on conodont biostratigraphy of its crater fill. Here, U–Pb zircon dates from its impact‐melt portion, conducted using secondary ion mass spectrometry and laser ablation–inductively coupled plasma–mass spectrometry (n = 37 spots), yield a ...
Elizabeth J. Catlos, Andrew F. Parisi, Michael E. Brookfield, Timmons Erickson, Sean P.S. Gulick, Axel K. Schmitt, Daniel F. Stockli, Daniel P. Miggins, Ben Ruchte, Mark Cloos   +9 more
wiley   +1 more source

Influence of iron status on cadmium and zinc uptake by different ecotypes of the hyperaccumulator Thlaspi caerulescens [PDF]

, 2002
We have previously identified an ecotype of the hyperaccumulator Thlaspi caerulescens (Ganges), which is far superior to other ecotypes (including Prayon) in Cd uptake.
Steve P. McGrath, Malcolm J. Hawkesford, Zhao, F-J., Kathryn L. Tearall, Fang-Jie Zhao, Tearall, K. L., McGrath, S. P., Hawkesford, M. J., Enzo Lombi, Howarth, J. R., Lombi, E., Jonathan R. Howarth   +11 more
core   +1 more source