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1.
Foods ; 12(17)2023 Aug 30.
Artigo em Inglês | MEDLINE | ID: mdl-37685196

RESUMO

High activity of lipoxygenase (LOX) has been identified as a primary cause of oxidative rancidity in legumes. In this study, the application of dielectric barrier discharge atmospheric cold plasma (DBD-ACP) (5 W, 10 min) resulted in an obvious decrease in LOX activity in mung bean (MB), kidney bean (KB), and adzuki bean (AB) flours by 36.96%, 32.49%, and 28.57%, respectively. Moreover, DBD-ACP induced significant increases (p < 0.05) in content of soluble dietary fiber, saturated fatty acids, and methionine. The starch digestibility of legumes was changed, evidenced by increased (p < 0.05) slowly digestible starch and rapidly digestible starch, while resistant starch decreased. Furthermore, DBD-ACP treatment significantly affected (p < 0.05) the hydration and thermal characteristics of legume flours, evidenced by the increased water absorption index (WAI) and gelatinization temperature, and the decreased swelling power (SP) and gelatinization enthalpy (ΔH). Microscopic observations confirmed that DBD-ACP treatment caused particle aggregation.

2.
Nat Commun ; 14(1): 6079, 2023 Sep 28.
Artigo em Inglês | MEDLINE | ID: mdl-37770482

RESUMO

The development of high-performance oxide-based transistors is critical to enable very large-scale integration (VLSI) of monolithic 3-D integrated circuit (IC) in complementary metal oxide semiconductor (CMOS) backend-of-line (BEOL). Atomic layer deposition (ALD) deposited ZnO is an attractive candidate due to its excellent electrical properties, low processing temperature below copper interconnect thermal budget, and conformal sidewall deposition for novel 3D architecture. An optimized ALD deposited ZnO thin-film transistor achieving a record field-effect and intrinsic mobility (µFE /µo) of 85/140 cm2/V·s is presented here. The ZnO TFT was integrated with HfO2 RRAM in a 1 kbit (32 × 32) 1T1R array, demonstrating functionalities in RRAM switching. In order to co-design for future technology requiring high performance BEOL circuitries implementation, a spice-compatible model of the ZnO TFTs was developed. We then present designs of various ZnO TFT-based inverters, and 5-stage ring oscillators through simulations and experiments with working frequency exceeding 10's of MHz.

3.
Nanoscale ; 10(36): 17007-17014, 2018 Sep 20.
Artigo em Inglês | MEDLINE | ID: mdl-30203816

RESUMO

Black phosphorus (BP), a fast emerging 2D material, has shown great potential in future electronics and optoelectronics owing to its outstanding properties including sizable band gap and ambipolar transport characteristics. However, its hole conduction dominance, featured by a much larger hole mobility and the corresponding on-current than that of the electrons, renders the reliable modulation of its carrier type and density a key challenge, thereby hindering its application to complementary electronics. Here, we demonstrate an efficient and reliable n-type doping for BP transistors via surface functionalization by atomic layer deposited magnesium oxide (MgO) with favorable controllability. By optimizing the MgO thickness, an electron mobility of up to 95.5 cm2 V-1 s-1 is reached with a simultaneous significant suppression of hole conduction. Subsequently, a high-performance complementary logic inverter is demonstrated within a single BP flake, which operates well with a supply voltage as low as <0.5 V, outperforming reported BP inverters in terms of logic level match, power consumption and process feasibility. Our findings suggest that surface charge transfer doping via MgO can be used as a promising technique towards high performance BP-based functional nanoelectronics.

4.
Mol Med Rep ; 6(5): 1018-22, 2012 11.
Artigo em Inglês | MEDLINE | ID: mdl-22923177

RESUMO

Osthole, a natural compound, may be extracted from Cnidium monnieri and other medicinal plants. Previous studies have shown that osthole has anticancer effects in various human cancer cell lines. There is, however, no available information concerning the effects of osthole on the migration and invasion of human lung cancer cells. In the current study, we used Transwell assays to demonstrate that osthole inhibited the migration and invasion of A549 human lung cancer cells. Western blot analysis revealed that osthole reduced the levels of matrix metalloproteinase-2 (MMP-2) and matrix metallopeptidase-9 (MMP-9) in the A549 human lung cancer cells. Our findings indicate that osthole may have a novel function as an inhibitor of the metastasis of human lung cancer.


Assuntos
Bloqueadores dos Canais de Cálcio/farmacologia , Movimento Celular/efeitos dos fármacos , Cumarínicos/farmacologia , Metaloproteinase 2 da Matriz/metabolismo , Metaloproteinase 9 da Matriz/metabolismo , Bloqueadores dos Canais de Cálcio/química , Linhagem Celular Tumoral , Cnidium/química , Cumarínicos/química , Humanos , Neoplasias Pulmonares/metabolismo , Neoplasias Pulmonares/patologia , Metaloproteinase 2 da Matriz/química , Metaloproteinase 9 da Matriz/química , Plantas Medicinais/química
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