Results 181 to 190 of about 12,260,572 (400)

Distinct conformational and functional effects of two adjacent pathogenic mutations in cardiac troponin I at the interface with troponin T

open access: yesFEBS Open Bio, 2015
The α‐helix in troponin I (TnI) at the interface with troponin T (TnT) is a highly conserved structure. A point mutation in this region, A116G, was found in human cardiac TnI in a case of cardiomyopathy.
Shirin Akhter, J.-P. Jin
doaj   +1 more source

The set of common fixed points of a one-parameter continuous semigroup of mappings is F(T(1)) cap F(T(sqrt 2)) [PDF]

open access: yesarXiv, 2004
In this paper, we prove the following theorem: Let {T(t) : t >= 0} be a one-parameter continuous semigroup of mappings on a subset C of a Banach space E. The set of fixed points of T(t) is denoted by F(T(t)) for each t >= 0. Then cap_{t >= 0} F(T(t)) = F(T(1)) cap F(T(sqrt 2)) holds. Using this theorem, we discuss convergence theorems to a common fixed
arxiv  

Annual Banned‐Substance Review 17th Edition—Analytical Approaches in Human Sports Drug Testing 2023/2024

open access: yesDrug Testing and Analysis, EarlyView.
Scenarios of drug exposure and administration as well as detection assays for drugs and methods of sports doping published between 2023 and 2024 are critically reviewed and evaluated in context with the Prohibited List 2024 as established by the World Anti‐Doping Agency.
Mario  Thevis   +2 more
wiley   +1 more source

The iterated Aluthge transforms of a matrix converge [PDF]

open access: yesarXiv, 2007
Given an $r\times r$ complex matrix $T$, if $T=U|T|$ is the polar decomposition of $T$, then, the Aluthge transform is defined by $$ \Delta(T)= |T|^{1/2} U |T |^{1/2}. $$ Let $\Delta^{n}(T)$ denote the n-times iterated Aluthge transform of $T$, i.e. $\Delta^{0}(T)=T$ and $\Delta^{n}(T)=\Delta(\Delta^{n-1}(T))$, $n\in\mathbb{N}$.
arxiv  

The utility of molecularly imprinted polymers for mass spectrometric protein and proteomics analysis

open access: yesPROTEOMICS, Volume 22, Issue 23-24, December 2022., 2022
Abstract Selective and efficient sample clean‐up is important in mass spectrometric protein‐ and proteomics analyses from biological matrices. Molecularly imprinted polymers (MIPs), polymers prepared to have tailor‐made cavities for capture of target analytes may by such represent an interesting alternative for selective clean‐up.
Trine Grønhaug Halvorsen   +1 more
wiley   +1 more source

On stability of delay equations with positive and negative coefficients with applications [PDF]

open access: yesZeitschrift f\"{u}r Analysis und ihre Anwendungen, Volume 38, Issue 2, 2019, 157-189, 2019
We obtain new explicit exponential stability conditions for linear scalar equations with positive and negative delayed terms $$ \dot{x}(t)+ \sum_{k=1}^m a_k(t)x(h_k(t))- \sum_{k=1}^l b_k(t)x(g_k(t))=0 $$ and its modifications, and apply them to investigate local stability of Mackey--Glass type models $$\dot{x}(t)=r(t)\left[\beta\frac{x(g(t))}{1+x^n(g(t)
arxiv  

Troponin T release after heart transplantation. [PDF]

open access: bronze, 1993
R. Zimmermann   +8 more
openalex   +1 more source

Autopsy findings in cases of fatal COVID‐19 vaccine‐induced myocarditis

open access: yesESC Heart Failure, EarlyView.
Abstract COVID‐19 vaccines have been linked to myocarditis, which, in some circumstances, can be fatal. This systematic review aims to investigate potential causal links between COVID‐19 vaccines and death from myocarditis using post‐mortem analysis.
Nicolas Hulscher   +3 more
wiley   +1 more source

Proteomic profiling of impaired excitation–contraction coupling and abnormal calcium handling in muscular dystrophy

open access: yesPROTEOMICS, Volume 22, Issue 23-24, December 2022., 2022
Abstract The X‐linked inherited neuromuscular disorder Duchenne muscular dystrophy is characterised by primary abnormalities in the membrane cytoskeletal component dystrophin. The almost complete absence of the Dp427‐M isoform of dystrophin in skeletal muscles renders contractile fibres more susceptible to progressive degeneration and a leaky ...
Paul Dowling   +3 more
wiley   +1 more source

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