Results 81 to 90 of about 7,947 (303)

Symmetries and invariances in classical physics [PDF]

open access: yes, 2005
Symmetry, intended as invariance with respect to a transformation (more precisely, with respect to a transformation group), has acquired more and more importance in modern physics.
Brading, Katherine   +3 more
core  

On the Status of the Geodesic Principle in Newtonian and Relativistic Physics [PDF]

open access: yes, 2011
A theorem due to Bob Geroch and Pong Soo Jang ["Motion of a Body in General Relativity." Journal of Mathematical Physics 16(1), (1975)] provides a sense in which the geodesic principle has the status of a theorem in General Relativity (GR).
Weatherall, James Owen   +1 more
core   +1 more source

Clinical performance of the urine‐based TERT promoter AbsoluteQ Digital PCR for non‐invasive detection of bladder cancer

open access: yesMolecular Oncology, EarlyView.
A urine‐based digital PCR assay targeting two hotspot TERT promoter variants detected bladder cancer with high sensitivity and no false positives in this case–control cohort. The streamlined AbsoluteQ workflow outperformed Sanger sequencing and supports non‐invasive molecular testing for bladder cancer detection.
Anna Nykel   +12 more
wiley   +1 more source

Coordinates, observables and symmetry in relativity [PDF]

open access: yes, 2007
We investigate the interplay and connections between symmetry properties of equations, the interpretation of coordinates, the construction of observables, and the existence of physical relativity principles in spacetime theories. Using the refined notion
Westman, Hans   +3 more
core  

The Confrontation between General Relativity and Experiment

open access: yesLiving Reviews in Relativity, 2014
The status of experimental tests of general relativity and of theoretical frameworks for analyzing them is reviewed and updated. Einstein’s equivalence principle (EEP) is well supported by experiments such as the Eötvös experiment, tests of local Lorentz
Clifford M. Will
doaj   +1 more source

A novel quinazolinone insulin receptor inhibitor and its synergy with an EGFR inhibitor in glucose‐driven glioblastoma

open access: yesMolecular Oncology, EarlyView.
The novel styrylquinazolinone‐based molecule W1B effectively suppresses glioblastoma by inhibiting IGF1R and EGFR. In high‐glucose microenvironments driving tumor resistance, W1B acts synergistically with the EGFR inhibitor dacomitinib. This combination safely blocks compensatory survival signaling in zebrafish xenograft models. Showcasing promising in
Patryk Rurka   +9 more
wiley   +1 more source

Relativity theory between structural and dynamical explanations [PDF]

open access: yes, 2006
In this review article I discuss Harvey Brown’s recent book Physical Relativity (OUP, 2005) by presenting and criticizing some of his main arguments in favour of a dynamical underpinning of rods contractions and clocks dilations. The problem about how we
Dorato, Mauro
core  

Liquid biopsy‐based diagnostic evaluation of hypermethylated CpG sites for ovarian cancer diagnosis

open access: yesMolecular Oncology, EarlyView.
This schematic outlines the workflow from biomarker identification to duplex MethyLight assay validation for epithelial ovarian cancer diagnosis using cfDNA‐based liquid biopsy. Initial screening of hypermethylated CpG candidates (cg02957270, cg10061138 cg00480298, COL2A1) was performed in tissue using ARMS‐PCR, COBRA, qPCR and image analysis. Selected
Deepa Bisht   +3 more
wiley   +1 more source

On the meaning of Lorentz covariance [PDF]

open access: yes, 2003
In classical mechanics, the Galilean covariance and the principle of relativity are completely equivalent and hold for all possible dynamical processes.
Szabó, László E., Læszló E. Szabó
core  

Recent astronomical tests of general relativity [PDF]

open access: yes, 2015
The history of experimentation relevant to general relativity covers the time post-1928. Classes of investigation are the weak equivalence principle (equivalence of inertial and gravitational mass and gravitational redshift), orbital precession of a body
Treschman, Keith John
core   +1 more source

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