نتایج جستجو برای: soft formation
تعداد نتایج: 646832 فیلتر نتایج به سال:
We reported soft sheets of fibrillar bone tissues from an intact Triceratops horn from the Hell Creek Formation in MT [6]. We illustrated red blood cell (RBC) like microstructures, oblate and stellate osteocytes, and organelle-like components within osteocytes. Soft vessels were found protruding from fractured Triceratops ribs, but no soft vessels were found in the horn. Our findings are signif...
Objective(s):Staphylococcus aureus is a Gram-positive pathogen, well known for its resistance andversatile lifestyle. Under unfavourable conditions, it adapts biofilm mode of growth. For staphylococcal biofilm formation, production of extracellular polymeric substances (EPS) is a pre-requisite, which is regulated by ica operon-encoded enzymes. This study was designed to know the impact of ascor...
Engineered tendon fibroblast and collagen-based soft tissue constructs have been developed to characterize growth and remodeling in soft tissue via in-vitro studies of the effects of controlled mechanical interventions on collagen content and orientation. Growth and remodeling often occur simultaneously in soft tissue. The present contribution distinguishes these separate biological processes a...
Facial soft tissue injuries are common in pediatric trauma patients. Early diagnosis and definitive treatment as well as good postoperative wound care are important when dealing with soft tissue injuries, such as facial nerve and parotid injuries, animal bites, avulsive skin wounds and eyelid and ear lacerations. Children heal quickly, but they also tend to develop hypertrophic scars. Proper wo...
BACKGROUND The soft tissue around dental implants forms a barrier between the oral environment and the peri-implant bone and a crucial factor for long-term success of therapy is development of a good abutment/soft-tissue seal. Sol-gel derived nanoporous TiO2 coatings have been shown to enhance soft-tissue attachment but their effect on adhesion and biofilm formation by oral bacteria is unknown....
In this study, we combine the elastic instability and non-linear rate-dependent phenomena to achieve microstructure tunability in soft layered materials. In these soft composites, elastic instabilities give rise to formation of wrinkles or wavy patterns. In elastic materials, the critical wavelength as well as amplitude at a particular strain level are exclusively defined by the composite micro...
Background: The soft tissue around dental implants forms a barrier between the oral environment and the periimplant bone and a crucial factor for long-term success of therapy is development of a good abutment/soft-tissue seal. Sol-gel derived nanoporous TiO2 coatings have been shown to enhance soft-tissue attachment but their effect on adhesion and biofilm formation by oral bacteria is unknown....
To eliminate or reduce stick–slip vibration in torsional of the drilling string and improve rate penetration (ROP), a model considering ROP was established based on multidimensional string. The verified by simulation analysis. characteristics three stages stationary, slip, stick were analyzed. This paper investigated influence rotary torque, speed, weight bit (WOB) vibrations drill Based this, ...
Type beta transforming growth factor (TGF-beta), in combination with epidermal growth factor (EGF) can induce nonneoplastic normal rat kidney cells to express a transformed phenotype and to form colonies in soft agar. Retinoic acid by itself has no effect on colony formation; but at concentrations of 10(-9) M or greater, it can greatly enhance the response of the cells to EGF and TGF-beta, as m...
The surprising recent discoveries of quasicrystals and their approximants in soft-matter systems poses the intriguing possibility that these structures can be realized in a broad range of nanoscale and microscale assemblies. It has been theorized that soft-matter quasicrystals and approximants are largely entropically stabilized, but the thermodynamic mechanism underlying their formation remain...
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