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Article
Ferroelectric fatigue and polarization hysteresis behavior of a [001]c Pb(In0.5Nb0.5)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystal
Under the cyclic loading of a strong bipolar electric field, severe and rapid ferroelectric fatigue phenomena were observed in a [001]c poled 0.24PIN-0.49PMN-0.27PT single crystal, where both of coercive field Ec
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Article
Ultrasonic pulse-echo technique for the characterization of elastic constants of single domain Pb(Zn1/3Nb2/3)O3–5.5%PbTiO3 single crystals with 3m symmetry
The ultrasonic pulse-echo (UPE) technique is a classical method to characterize the elastic constants of solid materials. However, no detailed analysis exists in the literature regarding the application of thi...
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Article
Defect dynamics in clusters of self-propelled rods in circular confinement
Rod-shaped active micro/nano-particles, such as bacterial and bipolar metallic micro/nano-motors, demonstrate novel collective phenomena far from the equilibrium state compared to passive particles. We apply a...
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Article
Open AccessMechanical-force-induced non-local collective ferroelastic switching in epitaxial lead-titanate thin films
Ferroelastic switching in ferroelectric/multiferroic oxides plays a crucial role in determining their dielectric, piezoelectric, and magnetoelectric properties. In thin films of these materials, however, subst...
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Article
Effects of palmatine hydrochloride mediated photodynamic therapy on oral squamous cell carcinoma
Oral squamous cell carcinoma (OSCC) is a common malignant tumor, accounting for about 7% of all malignant tumors. Palmatine hydrochloride (PaH) is the alkaloid constituent of Fibraurea tinctoria Lour. The present...
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Article
Ferroelectric properties of Ag doped PbZr0.53Ti0.47O3 thin film deposited by sol–gel process
To suppress the generation of oxygen vacancy during the PbZr0.53Ti0.47O3 (PZT) film synthesis process, herein, the 0–3 type Ag/PZT film is chosen as a prototype to systematically investigate the mechanisms of oxy...
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Article
Bactericidal effects of hematoporphyrin monomethyl ether-mediated blue-light photodynamic therapy against Staphylococcus aureus
The implementation of photodynamic therapy (PDT) usually uses red light as the excitation source to obtain a deeper penetration depth. However, for some superficial infectious diseases, using red-light PDT may...
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Article
Aging and thermal stability of [001]c- and [111]c-poled 0.63Pb(Mg1/3Nb2/3)O3–0.37PbTiO3 single crystals
The aging characteristics and thermal stability of [001]c- and [111]c-poled tetragonal 0.63Pb(Mg1/3Nb2/3)O3–0.37PbTiO3 single crystals have been studied. For [001]c-poled crystal, the d33,
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Article
Dynamic scaling of internal bias field in Mn-doped 0.24Pb(In1/2Nb1/2)O3–0.42Pb(Mg1/3Nb2/3)O3–0.34PbTiO3 ferroelectric ceramic
The influences of temperature, electric field, and frequency on the internal bias field E i have been investigated in poled and aged Mn-doped 0.24Pb(In1/2Nb1/2)O3–0.42Pb(Mg1/3Nb
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Article
Open AccessDoxorubicin combined with low intensity ultrasound suppresses the growth of oral squamous cell carcinoma in culture and in xenografts
Oral squamous cell carcinoma (OSCC) invades surrounding tissues by upregulating matrix metalloproteinases (MMPs) -2 and −9, which causes over-expression of the Hedgehog signaling proteins Shh and Gli-1 and deg...
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Article
Photophysical properties, singlet oxygen generation efficiency and cytotoxic effects of aloe emodin as a blue light photosensitizer for photodynamic therapy in dermatological treatment
Conventional photodynamic therapy (PDT) uses red light for deeper penetration. A natural compound, aloe emodin (AE) with anticancer and photosensitising capabilities, excited by blue light, is proposed to trea...
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Article
Open AccessAntiproliferative and Apoptosis-inducing Effect of exo-Protoporphyrin IX based Sonodynamic Therapy on Human Oral Squamous Cell Carcinoma
Sonodynamic therapy (SDT) is an innovative modality for cancer treatment. But the biological effect of SDT on oral squamous cell carcinoma has not been studied. Our previous study has shown that endo-Protoporp...
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Article
The effect of annealing temperature on the optical and electrical properties of cubic MgZnO films grown by RF magnetron sputtering
A series of cubic MgZnO films with a band gap of 5.0 eV (240 nm) are grown on the Si substrate by radio-frequency (rf) magnetron sputtering with various annealing temperature. Highly (111) textured single phas...
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Article
A single-mode Mn-doped 0.27PIN-0.46PMN-0.27PT single-crystal ultrasonic motor
Mn-modified rhombohedral phase yPb(In1/2Nb1/2)O3-(1-x-y)Pb(Mg1/3Nb2/3)O3-xPbTiO3 (PIN-PMN-PT:Mn) single crystal has attracted considerable attention for its outstanding piezoelectric properties and high mechanica...
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Article
Small molecule inhibitor of c-Met (PHA665752) suppresses the growth of ovarian cancer cells and reverses cisplatin resistance
c-Met as a tyrosine-kinase receptor plays a major role in tumorigenesis, invasion, and metastatic spread of human tumors, including ovarian cancer. Expressing high levels of c-Met proteins is often associated ...
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Article
Open AccessEnhancement of anti-tumor effects of 5-fluorouracil on hepatocellular carcinoma by low-intensity ultrasound
Hepatocellular carcinoma (HCC) accounts for 75 % of liver cancers and is the second most lethal cancer, associated with its multiple etiologies, poor prognosis and resistance to chemotherapy drugs. Chemotherap...
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Article
Open Access5-Aminolevulinic Acid-Mediated Sonodynamic Therapy Inhibits RIPK1/RIPK3-Dependent Necroptosis in THP-1-Derived Foam Cells
Necroptosis, or programmed necrosis, contributes to the formation of necrotic cores in atherosclerotic plaque in animal models. However, whether inhibition of necroptosis ameliorates atherosclerosis is largely...
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Article
Semiconductor/relaxor 0–3 type composites without thermal depolarization in Bi0.5Na0.5TiO3-based lead-free piezoceramics
Commercial lead-based piezoelectric materials raised worldwide environmental concerns in the past decade. Bi0.5Na0.5TiO3-based solid solution is among the most promising lead-free piezoelectric candidates; howeve...
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Article
Phase transitional behavior and electrical properties of Pb(In1/2Nb1/2)O3–Pb(Mg1/3Nb2/3)O3–PbTiO3 ternary ceramics
Relaxor based ternary (0.60 − x)Pb(In1/2Nb1/2)O3–0.40Pb(Mg1/3Nb2/3)–xPbTiO3 ((0.60 − x)PIN–0.40PMN–xPT) polycrystalline ceramics were synthesized by two-step columbite precursor method. The effects of PIN/PT cont...
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Article
Open AccessZnO Nanorod Array Grown on Ag Layer: A Highly Efficient Fluorescence Enhancement Platform
ZnO nanorods (NRs) are known for ultra-sensitive biomolecule detection through fluorescence enhancement. In this work, we demonstrate that ZnO NR arrays grown on Ag layers can significantly improve the enhance...
