Materials Literature
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Abstract The demand for high resolution has raised interest for the use of aplanatic solid immersion lenses (aSIL) for backside optical inspection and failure analysis of integrated circuits due to its high numerical aperture capability. This work investigates the performance of aSIL microscopy in imaging of fully dep…
Several studies have recently reported that cold working exacerbates stress corrosion cracking (SCC) of materials in various environments, including those in which they were previously thought to be immune. While these studies usually consider cold work as a homogeneous effect, the presence of grain boundaries results…
Multilayered crystalline nanofibers are exemplary model system for the study of exciton dynamics and lasing in organic materials due to their well-defined morphology, high luminescence efficiencies, and color tunability. The multi-layered nanofibers are composed of alternating layers of two different organic molecules…
Background and aims: Fatigue has a high prevalence in working population and associated with psychological stress in work environment, strongly. Occupational fatigue has negative effects on human errors and performance. Self report fatigue and hormonal change are fatigue assessment tools. This study aimed to evaluate…
Η παρούσα διατριβή μελετά τις δομικές, ηλεκτρονιακές και μηχανικές ιδιότητες κραμάτων τιτανίου στοχεύοντας στη κατανόηση της ηλεκτρονιακής προέλευσης του χαμηλού μέτρου ελαστικότητας των υλικών αυτών που χρησιμοποιούνται σε ορθοπεδικά εμφυτεύματα. Η αναγκαιότητα αυτή προέκυψε από τα δύο βασικά προβλήματα των σημερινών…
Mesophase pitch solution was melted into carbon nanotubes (CNTs) sheet to fabricate carbon composites. The influence of heat treatment and mesophase pitch on microstructure and thermal conductivity was investigated. The structure evolution was characterized by SEM, Raman spectroscopy and thermal behavior was studied b…
A major cause of cancer treatment failure is multidrug resistance (MDR) and radioresistance to standard therapies. Overexpression of ATP-binding cassette (ABC) transport proteins by cancer cells, which actively transport anti-cancer agents (e.g. doxorubicin, Dox) out of the cells against concentration gradients, is a…
본 전기로 환원슬래그는 팽창성 물질이 함유되어 불안정한 상태이므로 건설용 재료로 그대로 사용하기에는 다소 무리가 있다. 그러나 전기로 환원슬래그에는 11CaO·7Al2O3·CaF2와 β-C2S (calcium aluminate compounds) 물질이 함유되어 있으므로 적절한 성분 보조제를 혼합하여 사용한다면 콘크리트용 혼화재료로서 사용이 가능할 것으로 판단된다. 이에 본 연구에서는 콘크리트 혼화재료서 전기로환원슬래그 미분말의 사용 가능성을 검토하고자 한다. 전기로 환원슬래그 미분말의 치환율별 모르타르 강도특성과 응결특성을 검토 결과, 최적 치환율은 30% 수준으…
Like most of the materials used by humans, polymeric materials are proposed in the literature and occasionally exploited clinically, as such, as devices or as part of devices, by surgeons, dentists, and pharmacists to treat traumata and diseases. Applications have in common the fact that polymers function in contact w…
Application of p-type semiconductor copper oxide thin films as methane gas sensors in air was investigated. A series of copper oxide thin film had been prepared. The thin films were fabricated by using direct current (DC) sputtering technique on corning glass substrates at different deposition time (30 to 180 min. at…
선박 · 해양플랜트를 비롯한 강구조물에서는 건조중 형성된 결함이나 사용중에 가해지는 여러 가지 하중등에 의하여 균열을 비롯한 손상이 발생한다. 따라서 균열의 해석을 위하여 균열의 세기를 여러 가지 방법으로 평가하며, 파괴역학적 수법 에 의한 응력확대계수 K도 그 중의 한가지 방법이다. 본 연구에서는 이러한 목적으로 사용되는 강구조물용 강재의 응력확대 계수 K의 평가를 위하여 특히 CT시험편에 대하여 J 적분을 사용하여 평가를 실시하였다. CT시험편의 J 적분의 평가에는 inhouse FEM program을 사용하였으며, 859개의 node 와 1618개의 eleme…
Abstract not provided.
Abstract : The interaction of liquids with a materials surface is of fundamental importance to many processes including adhesion, chemical reactions, hydrodynamic transport, and surface cleanability. Surface properties can range from being hydrophilic, or oleophilic, where the liquid wets the surface and spreads, to s…
Abstract Aim: Renal cell carcinomas (RCCs) is a diverse group of tumors of varying aggressiveness. The development of noninvasive biomarkers of RCC aggressiveness is hindered by a lack of relevant model systems that recapitulate the human situation. In this study, we report the development of patient- derived tumor ti…
Surface plasmon resonance (SPR) is an efficient mechanism for biosensing due to its high field intensity and subwavelength confinement. However, the information obtained from these sensors is limited as they only rely on a single measurement at TM polarization. This limitation results in cross sensitivity of the surfa…
\n\t\t\t\t\t Ionic Liquids based on the dicyanamide anion were found to support efficient, high-current zinc electrochemistry. Rechargeable batteries based on zinc metal and conductive polymers were also shown to store energy efficiently, while maintaining high rate capabilities over hundreds of cycles.\n\t\t\t\t
7xxx series aluminum alloys are very attractive materials for their applications in the automotive and aerospace industries due to their excellent combination of properties such as high strength-to-density ratio, high fracture toughness and resistance to stress corrosion cracking. These aluminum alloys are generally s…
Abstract Ovarian cancer is the fifth leading cause of death in women. The current chemotherapy and the standard first line treatment for ovarian cancer is combination of ‘platinum plus taxanes’ which associated with serious side effects such as neutropenia and neurotoxicity due to ‘the non-specific biodistribution’ an…
Abstract not provided.
The majority of studies investigating the physics of ultrasound-triggered microbubble behaviour have been conducted at low frequencies (<5 MHz), motivated by imaging applications for the heart, liver and pancreas. There is gaining interest, however, in employing contrast imaging strategies to higher frequency applicat…