Electric currents carrying a net spin polarization are widely used in spintronics, whereas globally spin-neutral expected to play no role spin-dependent phenomena. Here we show that, contrast this common expectation, spin-independent conductance compensated antiferromagnets and normal metals can be efficiently exploited provided their magnetic space group symmetry supports non-spin-degenerate Fermi surface. Due momentum-dependent polarization, such as active elements antiferromagnetic tunnel...

Ferromagnets are known to support spin-polarized currents that control various spin-dependent transport phenomena useful for spintronics. On the contrary, fully compensated antiferromagnets expected only globally spin-neutral currents. Here, we demonstrate these can represent Néel spin currents, i.e., staggered flowing through different magnetic sublattices. The emerge in with strong intrasublattice coupling (hopping) and drive such as tunneling magnetoresistance (TMR) spin-transfer torque...

Antiferromagnetic (AFM) spintronics exploits the Néel vector as a state variable for novel spintronic devices. Recent studies have shown that fieldlike and antidamping spin-orbit torques (SOTs) can be used to switch in antiferromagnets with proper symmetries. However, precise detection of remains challenging problem. In this Letter, we predict nonlinear anomalous Hall effect (AHE) detect most compensated supporting SOT. We show magnetic crystal group symmetry these combined coupling produce...

Abstract Live bacteria-mediated antitumor therapies mark a pivotal point in cancer immunotherapy. However, the difficulty reconciling safety and efficacy of bacterial has limited their application. Improving tumor-targeted delivery while maintaining biosafety is critical hurdle for clinical translation live microbial therapy cancer. Here, we developed “dead” yet “functional” Salmonella -loaded macrophages using liquid nitrogen cold shock an attenuated typhimurium VNP20009-contained...

Topological antiferromagnetic (AFM) spintronics is an emerging field of research, which exploits the N\'eel vector to control topological electronic states and associated spin-dependent transport properties. A recently discovered spin-orbit torque has been proposed electrically manipulate Dirac band crossings in antiferromagnets; however, a reliable AFM material realize these properties practice missing. In this Letter, we predict that room-temperature metal ${\mathrm{MnPd}}_{2}$ allows...

The 8-\textit{Pmmn} borophene is one kind of new elemental monolayer, which hosts anisotropic and tilted massless Dirac fermions (MDF). planar \textit{p-n} junction (PNJ) structure as the basic component various novel devices based on monolayer material has attracted increasing attention. Here, we analytically study transport properties MDF across PNJ. Similar to isotropic graphene junctions, perfect transmission exists but its direction departures normal PNJ induced by anisotropy tilt,...

Bioactive peptides used for food preservation can prolong the shelf life through bacteriostasis and antioxidation. On one hand, bioactive inhibit lipid oxidation by scavenging free radicals, interacting with metal ions, inhibiting peroxidation. other fundamentally growth reproduction of microorganisms destroying their cell membranes or targeting intracellular components. Besides, are biocompatible biodegradable in vivo. Therefore, they regarded as a promising alternative to chemical...

Using first-principles quantum-transport calculations, we investigate spin-dependent electronic and transport properties of antiferromagnetic tunnel junctions (AFMTJs) that consist (110)-oriented (AFM) metal $\mathrm{Ru}{\mathrm{O}}_{2}$ electrodes an insulating $\mathrm{Ti}{\mathrm{O}}_{2}$ tunneling barrier. We predict the emergence a giant magnetoresistance (TMR) effect in wide energy window, series barrier layer thicknesses, different interface terminations, indicating robustness this...

Abstract Lung metastases are the leading cause of death among cancer patients. The challenges inefficient drug delivery, compounded by a robust immunosuppressive microenvironment, make effective treatment difficult. Here, an innovative dual‐engineered macrophage‐microbe encapsulation (Du‐EMME) therapy is developed that integrates modified macrophages and engineered antitumor bacteria. These macrophages, termed R‐GEM cells, designed to express RGD peptides on extracellular membranes,...

In strawberry, sucrose is the major form of carbohydrate translocated from leaves to fruits and plays an important role in fruit ripening. As a conserved energy sensor, nonfermenting-1 (SNF1)-related kinase 1 (SnRK1) plant carbon metabolism. However, evidence that SnRK1 regulates accumulation lacking. this study, we transiently expressed FaSnRK1α strawberry found overexpression (OE) gene significantly increased content, whereas repression by RNA interference (RNAi) decreased content. Further...

Quantum geometric tensor (QGT) reflects the geometry of eigenstates a system's Hamiltonian. The full characterization QGT is essential for various quantum systems. However, it challenging to characterize solid-state Here we present scheme by using spin-polarized STM measure two-dimensional systems, in which spin texture extracted from amplitudes Friedel oscillations induced intentionally introduced magnetic impurity and then derived momentum differential texture. surface states topological...

microRNAs (miRNAs) are important regulators of tumor development and progression. In this study, we aimed to explore the expression role miR-622 in hepatocellular carcinoma (HCC). We found that was significantly downregulated human HCC specimens compared adjacent noncancerous liver tissues. downregulation associated with aggressive parameters poor prognosis HCC. Enforced decreased proliferation colony formation induced apoptosis cells. vivo studies demonstrated overexpression retarded growth...

Valleytronics is a research field utilizing valley degree of freedom electrons for information processing and storage. A strong polarization critical realistic valleytronic applications. Here, we predict tunneling Hall effect (TVHE) driven by tilted Dirac fermions in all-in-one tunnel junctions based on two-dimensional (2D) material. Different doping the electrode spacer regions these results momentum filtering fermions, generating transverse current dependent Dirac-cone tilting. Using...

Panax Notoginseng flower saponins (PNFS) are the main active component of notoginseng (Burk) F. H. Chen bud (PNF) and possess significant anti-inflammatory efficacy. This study aims to explore mechanisms underlying PNFS' antiflammatory action in RAW264.7 macrophages.A cell counting kit-8 assay was used determine viability macrophages. Anti-inflammation effects PNFS lipopolysaccharide (LPS)-stimulated macrophages were measured based on detection nitric oxide (NO) overproduction (Griess...

The control of spin-dependent properties by voltage, not involving magnetization switching, has significant advantages for low-power spintronics. Here, we predict that the interfacial crystal Hall effect (ICHE) can serve this purpose. We show ICHE occur in heterostructures composed compensated antiferromagnetic metals and nonmagnetic insulators due to reduced symmetry at interface, it be made reversible if antiferromagnet is layered symmetrically between two identical ferroelectric layers....

The anomalous Hall effect (AHE) is a fundamental spin-dependent transport property that widely used in spintronics. It generally expected currents carrying net spin polarization are required to drive the AHE. Here, we demonstrate that, contrast this common expectation, spin-neutral tunneling AHE (TAHE), i.e., TAHE driven by currents, can be realized an antiferromagnetic (AFM) tunnel junction where AFM electrode with non-spin-degenerate Fermi surface and normal metal separated nonmagnetic...

Engineered bacteria-mediated antitumor approaches have been proposed as promising immunotherapies for cancer. However, the off-target bacterial toxicity narrows therapeutic window. Living microbes will benefit from their controllable immunogenicity within tumors safer applications. In this study, a genetically encoded microbial activation strategy is reported that uses tunable and dynamic expression of surface extracellular polysaccharides to improve biocompatibility while retaining...

We study the mobility of Dirac fermions in monolayer graphene on a GaAs substrate, restricted by combined action extrinsic potential piezoelectric surface acoustical phonons (PA) and intrinsic deformation eigen-phonons (DA). In high temperature ($T$) regime momentum relaxation rate exhibits same linear dependence $T$ but different dependences carrier density $n$, corresponding to $\mu\propto 1/\sqrt{n}$ $1/n$, respectively for PA DA scattering mechanisms. low Bloch-Gr\"uneisen regime, shows...

We present a theoretical study on interactions of electrons in graphene with surface acoustic waves (SAWs). find that owing to momentum and energy conservation laws, the electronic transition accompanied by SAW absorption cannot be achieved via inter-band channels graphene. For graphene, strong SAWs can observed wide frequency range up terahertz at room temperature. The intensity depends strongly temperature adjusted changing carrier density. This is relevant exploration properties...

Our previous study has reported that mitogen-activated protein kinase 4 (MAP4K4) regulates the growth and survival of hepatocellular carcinoma (HCC) cells. This was undertaken to explore roles MAP4K4 in epithelial-mesenchymal transition (EMT) metastasis HCC. Effects overexpression knockdown on migration, invasion, EMT HCC cells were examined. The vivo role lung determined nude mice. relationship between expression human specimens by immunohistochemistry. significantly enhanced migration...

Solving the Hamiltonian of a system yields energy dispersion and eigenstates. The geometric phase eigenstates generates many novel effects potential applications. However, properties go unheeded. Here, we provide insight into introduce amplitude, namely, density states (GDOS) determined by Riemann curvature constant-energy contour. amplitude should accompany various local responses, which are generally formulated real-space Green's function. Under stationary approximation, GDOS simplifies...