Floating-gate memristor based on a MoS/h-BN/AuNPs mixed-dimensional heterostructure.

Memristors have recently received substantial attention because of their promising and unique emerging applications in neuromorphic computing, which can achieve gains in computation speed by mimicking the topology of the brain in electronic circuits. Traditional memristors made of bulk MoOand HfO, for example, suffer from a low switching ratio and poor durability and stability. In this work, a floating-gate memristor is developed based on a mixed-dimensional heterostructure comprising two-dimensional (2D) molybdenum disulfide (MoS) and zero-dimensional (0D) Au nanoparticles (AuNPs) separated by an insulating hexagonal boron nitride (h-BN) layer (MoS/h-BN/AuNPs).

Nanodiamonds conjugated upconversion nanoparticles for bio-imaging and drug delivery.

A multifunctional nanoplatform with simultaneous imaging and therapeutic capacities has been fabricated by covalently conjugating nanodiamonds (NDs) with upconversion NaYF:Yb,Er nanoparticles (UCNPs). Green emission can be observed for the UCNP-NDs composites under 980 nm excitation, and in vitro imaging was carried out towards HeLa cells. The UCNP-NDs also shows good drug storage capability toward anticancer drug doxorubicin (Dox) and exhibits significant pH-dependent drug-release behavior.

Induction of systemic resistance against tobacco mosaic virus by Ningnanmycin in tobacco.

Ningnanmycin (NNM) is an antiviral agent firstly isolated from Strepcomces noursei var·xichangensisn. Studies have shown that NNM promotes PAL, POD and SOD activity and possesses antiviral activity against tobacco mosaic virus (TMV). In this study, our results demonstrated that NNM inhibited the polymerization process of TMV coat protein (TMV-CP) in vitro and promoted the systemic accumulation of pathogenesis-related proteins (PRs), which are the markers of systemic acquired resistance (SAR).

[Clinical research of HPV DNA detection and HPV RNA detection in single time].

Objective: To research the application of the single time detection of HPV E6/E7 mRNA and HC2-HPV-DNA in cervical screening project.

Methods: We detected both HPV E6/E7 mRNA and HC2-HPV-DNA of each sample which collected from 130 cervical disease patients' cervix during Jan. 2008 and July.