Results 81 to 90 of about 322,012 (264)

Tension mediated nonlinear coupling between orthogonal mechanical modes of nanowire resonators

, 2018
We study the nonlinear coupling between orthogonal flexural modes of doubly clamped InAs nanowire resonators. The two orthogonal modes are formed by the symmetry breaking and lifting of degeneracy of the fundamental mode.
Bhushan, Anand, Deshmukh, Mandar M., Mathew, John P.   +2 more
core   +1 more source

Multi-contrast imaging and digital refocusing on a mobile microscope with a domed LED array [PDF]

, 2015
We demonstrate the design and application of an add-on device for improving the diagnostic and research capabilities of CellScope--a low-cost, smartphone-based point-of-care microscope.
D'Ambrosio, Michael V., Fletcher, Daniel A., Gande, Aditya V., Patel, Hurshal S., Phillips, Zachary F., Rulison, Jared J., Sadras, Nitin, Switz, Neil A., Tian, Lei, Waller, Laura   +9 more
core   +2 more sources

Biventricular Mechanical Circulatory Support Does Not Prevent Delayed Myocardial Ventricular Rupture following Myocardial Infarction

Case Reports in Cardiology, 2013
Cardiogenic shock and myocardial rupture can complicate an acute myocardial infarction (AMI). A case is reported in which a 58-year-old male with an acute inferior myocardial infarction required placement of biventricular assist device for hemodynamic ...
Yazhini Ravi, Emily P. Sudhakar, Pratima Nayak, Chittoor B. Sai-Sudhakar, Konstantinos Dean Boudoulas   +4 more
doaj   +1 more source

Pioglitazone plus (−)‐epigallocatechin gallate: a novel approach to enhance osteogenic performance in aged bone marrow mesenchymal stem cells

FEBS Open Bio, EarlyView.
Aged human bmMSCs are seeded in the scaffold. Osteoblastic induction can slightly increase cell's bone‐forming activity to produce bone‐like tissues, shown as the sporadic xylenol orange‐stained spots (the lower left image). Notably, pioglitazone plus EGCG co‐treatment dramatically increases cell's bone‐forming activity and bone‐like tissue production (
Ching‐Yun Chen, Jia‐Ci Jhang, Chun‐Yi Peng, Quốc Cường Nguyễn, Feng‐Huei Lin, Hung‐Ming Wu, Shankung Lin   +6 more
wiley   +1 more source

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

FEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

Liquid-induced damping of mechanical feedback effects in single electron tunneling through a suspended carbon nanotube [PDF]

, 2015
In single electron tunneling through clean, suspended carbon nanotube devices at low temperature, distinct switching phenomena have regularly been observed. These can be explained via strong interaction of single electron tunneling and vibrational motion
A. K. Hüttel, Ch. Strunk, D. R. Schmid, Enss C., P. L. Stiller   +4 more
core   +2 more sources

Negative differential resistance in memristive systems: historical evolution, mechanisms and neuromorphic applications of niobium oxide devices

Nanoscale
Elucidates diverse NDR mechanisms, modulation strategies, and historical evolution. Comprehensive review of NDR and its application in niobium oxide systems. Offers insights into NDR-memristor synergy for neuromorphic and low-power circuits.
Hongyi Lu, Shiyu Xie, Weijian Zhang, Yue Chen, Jianming Tao, Chinmayee Mandar Mhaskar, Ayan Roy Chaudhuri, Yingbin Lin, Jiaxin Li, Sanjay Mathur, Zhigao Huang   +10 more
openaire   +1 more source

The MMP‐9/TIMP‐1 Ratio and Concentrations of Osteopontin Are Elevated in Cerebrospinal Fluid of People With Multiple Sclerosis and Decrease After Autologous Hematopoietic Stem Cell Transplantation

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objectives To evaluate the utility of cerebrospinal fluid (CSF) biomarkers—matrix metalloproteinase‐9 (MMP‐9), tissue inhibitor of metalloproteinases‐1 (TIMP‐1), the MMP‐9/TIMP‐1 ratio, and osteopontin (OPN)—as indicators of blood–brain barrier (BBB) integrity and disease activity in people with relapsing–remitting multiple sclerosis (pwMS ...
Ivan Pavlovic, Ida Erngren, Kim Kultima, Anders Larsson, Malin Müller, Anna Wiberg, Joachim Burman   +6 more
wiley   +1 more source

Optomechanics in an ultrahigh-Q two-dimensional photonic crystal cavity [PDF]

, 2010
We demonstrate an ultrahigh-Q slotted two-dimensional photonic crystal cavity capable of obtaining strong interaction between the internal light field and the mechanical motion of the slotted structure.
Alegre, Thiago P. Mayer, Painter, Oskar, Safavi-Naeini, Amir H., Winger, Martin   +3 more
core   +1 more source

Calculation of electrical impedance of oscillating piezoceramic disk in the area of high frequencies

Технічна інженерія, 2020
The relevance of the use of various functional elements of piezoelectronics in power and information systems is due primarily to their high reliability. As a result of research of mathematical model of the real device it is possible to define a specific ...
K.V. Bazilo, V.S. Antoiyuk, L.H. Polonskyi, V.D. Holovnia   +3 more
doaj   +1 more source