23,747 research outputs found
Correlation between the Bone Marrow Blood Perfusion and Lipid Water Content on the Lumbar Spine in Female Subjects.
No full textCardiac rupture after minor blunt chest injury as a result of occult recent myocardial infarction.
No full textSuccessful Resuscitation after sudden death in a one year old infant who sustained a blunt chest injury after a fall from 10 m.
No full textClinical and Radiographic and Pedobarographic analysis of skeletally immature patients with surgically treated distal metaphyseal fractures of the tibia: is concomitant fixation of the fibula necessary?
No full text
Lysophospholipids Enhance Matrix Metalloproteinase-2 Expression in Human Endothelial Cells
No full text
Molecular modification on dye-sensitized solar cells by phosphonate self-assembled monolayers
No full text[[abstract]]Molecular modification by phosphonic acids forms phosphonate dipole layers on TiO2 and influences photoelectrochemical characteristics of DSSCs. V-oc is dipole-related and eta is dominated by V-oc. A phosphonic acid with a negative dipole moment shifts the TiO2 E-CB closer to the vacuum level and causes a larger V-oc. A higher E-CB increases the E-F gradient and results in a larger J(sc). APPA has the largest negative dipole moment, so the APPA-modified DSSC shows the largest V-oc and J(sc), and the highest eta. The dark currents of modified DSSCs are not just dipole-related. They are dominated mainly by the electron tunneling effect. A shorter phosphonate dipole layer offers a smaller tunneling barrier and makes reverse electron injection easier. So the CEPA- and APPA-modified DSSCs show smaller charge transfer impedances at the TiO2/dye/electrolyte interfaces and larger dark currents than the other four modified DSSCs. Although the TFBPA dipole layer is not the longest, the TFBPA-modified DSSC exhibits the largest impedance and smallest dark current because the charge recombinations at the interface and reverse injection of electrons are suppressed by the strong electron-withdrawing property.[[note]]SC
Using the CES-D in a two-phase survey for depressive disorders among non-referred adolescents in Taipei: a stratum-specific likelihood ratio analysis
No full text- …
