Results 41 to 50 of about 2,435,567 (309)

Hematopoietic (stem) cells—The elixir of life?

open access: yesFEBS Letters, EarlyView.
The aging of HSCs (hematopoietic stem cells) and the blood system leads to the decline of other organs. Rejuvenating aged HSCs improves the function of the blood system, slowing the aging of the heart, kidney, brain, and liver, and the occurrence of age‐related diseases.
Emilie L. Cerezo   +4 more
wiley   +1 more source

Analysis of spin-up and spring back loads of landing gear based on slip rate

open access: yesHangkong gongcheng jinzhan
The landing gear spin-up and spring back loads are the important part of the aircraft landing load. In order to effectively analyze the spin-up and spring back loads of the landing gear in the preliminary design stage,the two-wheel strut landing gear ...
WU Ming   +3 more
doaj   +1 more source

THE INFLUENCE OF THE APPLICATED ON THE FILTERING PAPER MOTOR OIL QUANTITY ON ITS INDICATORS’ EVALUATION

open access: yesВестник СибАДИ, 2018
The most common method of controlling the motor oil detergent-dispersant properties is the «drop sample» method (the applying process of the engine  oil drop to the filter paper -»blue tape» and the calculating process of the  drop sample with an oil ...
A. P. Zhigadlo   +3 more
doaj   +1 more source

Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing

open access: yesFEBS Letters, EarlyView.
Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley   +1 more source

Presentation of the bk21 (Kacprzak) test as a less traumatic alternative to the Lachman test and Drop Leg test in diagnosing anterior cruciate ligament tear

open access: yesСпортивная медицина: наука и практика, 2021
Objective: despite the fact that anterior cruciate ligament injuries are the most common ligament injuries, the problem of making a quick and accurate diagnosis still exists.
B. Kacprzak, N. Siuba-Jarosz
doaj   +1 more source

Rapid detection of bacteria in foods and biological fluids [PDF]

open access: yes, 1973
Simple and inexpensive apparatus, called "redox monitoring cell," rapidly detects presence of bacteria. Bacteria is detected by measuring drop in oxygen content in test solution. Apparatus consists of vial with two specially designed electrodes connected
Fealey, R. D., Renner, W.
core   +1 more source

Function‐driven design of a surrogate interleukin‐2 receptor ligand

open access: yesFEBS Letters, EarlyView.
Interleukin (IL)‐2 signaling can be achieved and precisely fine‐tuned through the affinity, distance, and orientation of the heterodimeric receptors with their ligands. We designed a biased IL‐2 surrogate ligand that selectively promotes effector T and natural killer cell activation and differentiation. Interleukin (IL) receptors play a pivotal role in
Ziwei Tang   +9 more
wiley   +1 more source

Performance of identical rockbolts tested on four dynamic testing rigs employing the direct impact method

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2021
Impact drop tests are routinely used to examine the dynamic performance of rockbolts. Numerous impact tests have been carried out in the past decades on independently designed, constructed and operated testing rigs.
Charlie C. Li   +7 more
doaj   +1 more source

Preliminary study on the performance of biomorphic silicon carbide as substrate for diesel particulate filters [PDF]

open access: yes, 2018
This paper presents the results of a preliminary experimental study to assess the performance of biomorphic silicon carbide when used for the abatement of soot particles in the exhaust of Diesel engines.
Becerra Villanueva, José Antonio   +5 more
core   +1 more source

Multiple ETS family transcription factors bind mutant p53 via distinct interaction regions

open access: yesFEBS Letters, EarlyView.
Mutant p53 gain‐of‐function is thought to be mediated by interaction with other transcription factors. We identify multiple ETS transcription factors that can bind mutant p53 and found that this interaction can be promoted by a PXXPP motif. ETS proteins that strongly bound mutant p53 were upregulated in ovarian cancer compared to ETS proteins that ...
Stephanie A. Metcalf   +6 more
wiley   +1 more source

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