-
Article
Open AccessTopological electronic structure and spin texture of quasi-one-dimensional higher-order topological insulator Bi4Br4
The notion of topological insulators (TIs), characterized by an insulating bulk and conducting topological surface states, can be extended to higher-order topological insulators (HOTIs) hosting gapless modes l...
-
Article
Open AccessTowards layer-selective quantum spin hall channels in weak topological insulator Bi4Br2I2
Weak topological insulators, constructed by stacking quantum spin Hall insulators with weak interlayer coupling, offer promising quantum electronic applications through topologically non-trivial edge channels....
-
Article
Enhanced acetone sensing performance of Ti3C2 MXene/α-Fe2O3 nanorod composite
An optimized acetone gas sensor based on Ti3C2/α-Fe2O3 (TF) composite materials was synthesized using microwave and etching methods. The structures, morphology and composition of the TF composites were characteri...
-
Article
Dual inhibition of CHK1/FLT3 enhances cytotoxicity and overcomes adaptive and acquired resistance in FLT3-ITD acute myeloid leukemia
FLT3 inhibitors (FLT3i) are widely used for the treatment of acute myeloid leukemia (AML), but adaptive and acquired resistance remains a primary challenge. Inhibitors simultaneously blocking adaptive and acqu...
-
Article
Open AccessObservation of dimension-crossover of a tunable 1D Dirac fermion in topological semimetal NbSixTe2
Condensed matter systems in low dimensions exhibit emergent physics that does not exist in three dimensions. When electrons are confined to one dimension (1D), some significant electronic states appear, such a...
-
Article
Open AccessLight-induced dimension crossover dictated by excitonic correlations
In low-dimensional systems with strong electronic correlations, the application of an ultrashort laser pulse often yields novel phases that are otherwise inaccessible. The central challenge in understanding su...
-
Article
Open AccessCoexistence of resistance oscillations and the anomalous metal phase in a lithium intercalated TiSe2 superconductor
Superconductivity and charge density wave (CDW) appear in the phase diagram of a variety of materials including the high-Tc cuprate family and many transition metal dichalcogenides (TMDs). Their interplay may giv...
-
Article
A charge-density-wave topological semimetal
Topological physics and strong electron–electron correlations in quantum materials are typically studied independently. However, there have been rapid recent developments in quantum materials in which topologi...
-
Article
Open AccessVisualization of the electronic phase separation in superconducting KxFe2−ySe2
Type-II iron-based superconductors (Fe-SCs), the alkali-metal-intercalated iron selenide AxFe2−ySe2 (A = K, Tl, Rb, etc.) with a superconducting transition temperature of 32 K, exhibit unique properties such as h...
-
Article
Publisher Correction: A charge-density-wave topological semimetal
A Correction to this paper has been published: https://doi.org/10.1038/s41567-021-01169-4.
-
Article
Open AccessA vacuum ultraviolet laser with a submicrometer spot for spatially resolved photoemission spectroscopy
Vacuum ultraviolet (VUV) lasers have demonstrated great potential as the light source for various spectroscopies, which, if they can be focused into a small beam spot, will not only allow investigation of meso...
-
Article
Open AccessMode-resolved reciprocal space map** of electron-phonon interaction in the Weyl semimetal candidate Td-WTe2
The excitation of coherent phonons provides unique capabilities to control fundamental properties of quantum materials on ultrafast time scales. Recently, it was predicted that a topologically protected Weyl s...
-
Article
Comparison of chalcopyrite bioleaching after different microbial enrichment in shake flasks
The bioleachings of chalcopyrite ore were compared after inoculating different cultures enriched from the original acid mine drainage sample. The results showed that the higher bioleaching performance was achi...
-
Article
Bioleaching of chalcopyrite concentrate using Leptospirillum ferriphilum, Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans in a continuous bubble column reactor
To estimate the bioleaching performance of chalcopyrite for various hydraulic residence times (HRTs), laboratory-scale bioleaching of chalcopyrite concentrate was carried out in a continuous bubble column reac...
-
Article
Comparison of bioleaching behaviors of different compositional sphalerite using Leptospirillum ferriphilum, Acidithiobacillus ferrooxidans and Acidithiobacillus caldus
Two sphalerite samples with different iron/sulphur (Fe/S) ratios, Shuikousan ore (Fe/S 0.2) and Dachang ore (Fe/S 0.52), were processed using three microbial species, Leptospirillum ferriphilum, Acidithiobacillus...
-
Article
Characterization and Reconstitute of a [Fe4S4] Adenosine 5′-Phosphosulfate Reductase from Acidithiobacillus ferrooxidans
Adenosine 5′-phosphosulfate (APS) reductase is a key enzyme involved in the pathways of sulfate reduction and sulfide oxidation in the biological sulfur cycle. In this study, the gene of APS reductase from Acidit...
-
Article
Expression, purification and characterization of an iron-sulfur cluster assembly protein, IscU, from Acidithiobacillus ferrooxidans
An iron-sulfur cluster assembly protein, IscU, is encoded by the operon iscSUA in Acidithiobacillus ferrooxidans. The gene of IscU was cloned and expressed in Escherichia coli. The protein was purified by one-ste...
