Results 51 to 60 of about 164,923 (351)

Rohphosphatmobilisierung von Sommerweizen, Weißlupine und Ackerbohne in einer Fruchtfolge [PDF]

open access: yes, 2005
In organic farming rock phosphate is used as a mineral P fertilizer, although the agronomic efficiency is limted. The objective of this study was to investigate in field and pot experiments the mobilization of rock phosphate by P-efficient plants (white ...
Leithold, Prof. Dr. Guenter   +4 more
core  

Development of X-ray fluorescence technique for the uranium determination in Mongolian coal, coal ash, and phosphate ore [PDF]

open access: yes, 2014
The results of the determination of uranium in Mongolian brown coal, coal ash, phosphate rock, and technological samples by X-ray fluorescence (XRF) spectrometry are presented.
Bolortuya, D.   +3 more
core   +2 more sources

SiO2‐CaOCME/Poly(Tetrahydrofuran)/Poly(Caprolactone) 3D‐Printed Scaffolds Drive Human‐Bone Marrow Stromal Cell Osteogenic Differentiation

open access: yesAdvanced Healthcare Materials, EarlyView.
3D printed hybrid scaffolds combining bioactive silica–calcium chemistry with elastic polymers guide human bone stem cells to form bone. The scaffolds support cell survival, organization, and invasion while releasing osteogenic ions. Together, architecture and composition drive bone‐specific gene expression, extracellular matrix organization, and ...
David R. Sory   +3 more
wiley   +1 more source

ETV2 Mediated Differentiation of Human Pluripotent Stem Cells Results in Functional Endothelial Cells for Engineering Advanced Vascularized Microphysiological Models

open access: yesAdvanced Healthcare Materials, EarlyView.
A robust method to generate functional human iPSC‐derived endothelial cells using inducible ETV2 expression. These cells self‐organize into stable, lumenized microvascular networks within microfluidic chips, surpassing conventional differentiation methods.
Shun Zhang   +12 more
wiley   +1 more source

Performance of pineapple slips inoculated with diazotrophic phosphate-solubilizing bacteria and rock phosphate

open access: yesRevista Ceres, 2014
Besides fixing N2, some diazotrophic bacteria or diazotrophs, also synthesize organic acids and are able to solubilize rock phosphates, increasing the availability of P for plants.
Lílian Estrela Borges Baldotto   +3 more
doaj   +3 more sources

Use of cadmium isotopes to distinguish sources of cadmium in New Zealand agricultural soil: Preliminary results [PDF]

open access: yes, 2016
In New Zealand’s agricultural soils, phosphate fertiliser applications are the main source of cadmium (Cd). In 1997, the NZ fertiliser industry discontinued sourcing rock phosphate from Nauru (about 450 mg Cd/ Kg P) and began producing superphosphate ...
Balks, Megan   +5 more
core  

A Long‐Lived Human Neurovascular PENTA Culture Model Captures Incomplete Vascular Repair and Glia‐Associated Signaling After Traumatic Brain Injury

open access: yesAdvanced Healthcare Materials, EarlyView.
A long‐lived, five‐cell‐type human neurovascular (PENTA) model recreates vascular disorganization and incomplete repair after traumatic brain injury (TBI). By integrating endothelial, glial, neuronal, and immune components within a 3D scaffold, the platform enables time‐resolved analysis of neurovascular remodeling and provides a human‐relevant system ...
Daniel S. Hinrichsen   +6 more
wiley   +1 more source

Pengaruh Pemberian Pupuk Rock Phosphate terhadap Produksi Tandan Buah Segar (TBS) Kelapa Sawit (Elaeis guineensis Jacq)

open access: yesJurnal Ilmiah Pertanian, 2017
This study aimed to determine the effect of rock phosphate fertilizer with various doses of the production of oil palm fresh fruit bunches. Results from this study is the final conclusion of phosphate rock fertilizer does not affect the measurement of ...
Muhamad Rizal
doaj  

Ediacara biota flourished in oligotrophic and bacterially dominated marine environments across Baltica. [PDF]

open access: yes, 2018
Middle-to-late Ediacaran (575-541 Ma) marine sedimentary rocks record the first appearance of macroscopic, multicellular body fossils, yet little is known about the environments and food sources that sustained this enigmatic fauna.
Bekker, Andrey   +7 more
core   +3 more sources

3D Soft Hydrogels Induce Human Mesenchymal Stem Cells “Deep” Quiescence

open access: yesAdvanced Healthcare Materials, EarlyView.
Three‐dimensional soft hydrogels mimicking the bone marrow niche induce deep quiescence in human mesenchymal stem cells. Unlike 2D culture, 3D matrices halt proliferation, regulate cell‐cycle and quiescence markers, and downregulate mTORC1 signaling, preserving stem cell phenotype and therapeutic potential ex vivo.
David Boaventura Gomes   +11 more
wiley   +1 more source

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