Two new species of the congrid eel genus Bathycongrus are described from deep waters eastern Taiwan. albimarginatus sp. nov., which belongs to group with two enlarged teeth on vomer and more total vertebrae, is 16 specimens can be distinguished by vertical fins broad white margins, pores head predorsal lateral line, vertebrae 195–201. brunneus has no vomer, one specimen 12 subequal 174+ vertebrae.

Two organic halogen co-crystal scintillators with strong halogen-bond-induced charge-transfer interactions enable a fast response, low detection limit and ultra-high-resolution imaging.

Metal-free molecular perovskites have shown great potential for X-ray detection due to their tunable chemical structures, low toxicity, and excellent photophysical properties. However, limited absorption environmental instability restrict practical application. In this study, cesium-based (MDABCO-CsX3, X = Cl, Br, I) are developed by introducing Cs+ at the B-site enhance while retaining toxicity. The effects of halide modulation on physical properties device performance systematically...

Lighting up enzyme activity: Fluorogenic substrates have been developed that upon hydrolysis form reactive quinone methides, which can react with cell components in vivo to generate an immobilized fluorescent label (see scheme). These compounds be used for the histological staining of tissues or activity-based screening cells by fluorescence-activated sorting. Detailed facts importance specialist readers are published as "Supporting Information". Such documents peer-reviewed, but not...

A review of the freshwater ophichthid eel genus Lamnostoma from Taiwan is provided with three species recognized. mindora has been recorded in previous literature and its presence confirmed. Two specimens polyophthalmum represent first record Taiwan. new species, taiwanense sp. nov., described on basis two collected northeastern It can be distinguished by having 3 preopercular pores, higher number teeth lower jaw, a series white spots hill-shaped papillae along head. key to all known provided.

A new species of the cutthroat eel genus Synaphobranchus is described from Taiwan on basis 12 types and 11 non-type specimens. The can be distinguished its congeners in having most head abdomen naked, except for a patch scales behind eye, dorsal surface trunk naked or covered by scattered scales; oval shape; fin slightly before to about opposite origin anal fin; mean vertebral formula 28-28-131, precaudal vertebrae 50–56, total 124–135. Comments occurred adjacent regions are provided.

Two new species similar to Ophichthus megalops Asano, 1987 with dark-tipped anal fins, are described on the basis of one specimen each species. semilunatus sp. nov. from northeastern Taiwan is characterized by having 176 total vertebrae, three rows teeth maxilla, + supraorbital pores, two preopercular a brownish anterior-nostril tube, and blotch anterior margin anus. brevidorsalis New Caledonia smaller eyes 2.7 in head, short head 9.5% length, long tail 59.8% slightly snout 19.4% 43...

Aqueous Zn-ion batteries (AZIBs) and hybrid supercapacitors (AZHSCs) are considered promising energy-storage alternatives to Li-ion due the attractive merits of low-price high-safety. However, lack suitable cathode materials always hinders their large-scale application. Herein, amorphous K-buserite microspheres (denoted as K-MnOx ) reported for both AZIBs AZHSCs, mechanism is systematically revealed. It found that composed rich units, which can irreversibly be transformed into Zn-buserite...

Abstract Thioglycosides are hydrolase‐resistant mimics of O‐linked glycosides that can serve as valuable probes for studying the role in biological processes. The development an efficient, enzyme‐mediated synthesis thioglycosides, including S‐GlcNAcylated proteins, is reported, using a thioglycoligase derived from GH20 hexosaminidase Streptomyces plicatus which catalytic acid/base glutamate has been mutated to alanine (SpHex E314A). This robust, easily‐prepared, engineered enzyme uses GlcNAc...

Abstract The architectural design and fabrication of low‐cost, high‐performance organic scintillators are critical for medical imaging material/device analysis. However, achieving large‐area high‐transparency in a low‐cost easy‐to‐implement method remains challenge. Herein, new strategy regulating the side chain length maleimide derivatives is demonstrated to develop large‐area, high spatial resolution X‐ray imaging. effective intermolecular interactions relatively twisted molecular...

Abstract Harnessing supramolecular interactions to regulate the structure and performance of functional materials is a key challenge in chemistry. Herein, study utilizes 18‐crown‐6 (18C6) ether‐assisted alkali‐metal (Na, K, Cs) copper(I) iodide assemblies precisely material structures. This approach facilitated transition from 1D mono‐royal crown coordination (18C6@KCuI 2 , CKCI) 0D di‐royal ((18C6) @Na (H O) 3 Cu 4 I 6 CNCI) tri‐royal @Cs CCCI) Interestingly, CCCI single‐crystal exhibits...

Lanthanide‐based metal‐organic framework (Ln‐MOF) scintillators are promising for X‐ray imaging owing to their structural tunability and high attenuation. However, achieving efficient triplet‐sensitized scintillation remains challenging due the inefficient energy transfer between organic ligand triplets lanthanide centers, leading weak radioluminescence limited resolution. Herein, we propose a dual‐antenna strategy by synergizing 4,4’‐oxybis (benzoic acid) (Oba) phenanthroline derivatives...

Abstract Chiral self‐discrimination plays a critical role in supramolecular chemistry and materials science. However, an ideal strategy for achieving chiral remains elusive due to the inevitable nonspecific binding of incorrect enantiomers, insufficient intrinsic optical activity molecules. Herein, novel 1,1′‐binaphthol (BINOL) derivative with imide group fused at peri ‐position one naphthol scaffold is developed, which combines dual functionalities aggregation‐induced emission...

Helicobacter pylori is a highly persistent and common pathogen in humans. It the causative agent of chronic gastritis its further stages. HP0826 beta-1,4-galactosyltransferase involved biosynthesis LPS O-chain backbone H. pylori. Though it was first cloned nearly decade ago, there are surprisingly limited data about characteristics HP0826, especially given prominent role pathogenicity. We here demonstrate that efficient promiscuous biocatalyst. have exploited two novel enzymatic activities...

New way of doing things. An efficient inhibitor a human lysosomal acid β-galactosidase was identified through screening small collection thioglycosides created by using thioglycoligase derived from bacterial (see scheme). The results described here open the interesting possibility finding novel and unpredicted inhibitors enzymes interest relatively simple strategy library generation thioglycoligases.

In the catabolism of lignin-derived biphenyl by Sphingobium sp. SYK-6, LigZ catalyzes cleavage 2,2',3-trihydroxy-3'-methoxy-5,5'-dicarboxybiphenyl (OH-DDVA) to a meta-cleavage product (MCP) identified here as 4,11-dicarboxy-8-hydroxy-9-methoxy-2-hydroxy-6-oxo-6-phenylhexa-2,4-dienoate (DCHM-HOPDA). DCHM-HOPDA is transformed nonenzymatically, likely lactone (k = 0.13 ± 0.01 min-1 , pH 7.5). This hydrolyzed dienolate at alkaline (apparent pKa ~ 11.3). Only substrate for LigY, putative MCP...

Hot exciton organic scintillators offer promising prospects due to their efficient generation of bright triplet excitons and ultrafast response time, having potential applications in security detection medical diagnostics. However, fabricating large-area, highly transparent scintillator screens still remains challenging, impeding the realization high-resolution X-ray imaging. Herein, we firstly demonstrate a novel highly-transparent hot glassy (>87% transmittance @ 450-800 nm), produced...

Abstract X‐ray imaging utilizing organic–inorganic hybrid metal halide (OIHMH) glassy scintillators has garnered significant attention. But their inferior radioluminescence makes achieving rapid image acquisition difficult, posing a persistent challenge for dynamic imaging. Herein, organic phosphonium side‐chain engineering is proposed, introducing bulky aromatic rings at the alkyl chain ends, to improve of OIHMHs. For Mn(II)‐based OIHMHs, (BUP) 2 MnCl 4 (BUP = butyltriphenylphosphonium)...

Leuchtsignale für Enzymaktivität: Fluorogene Enzymsubstrate liefern bei Hydrolyse Chinonmethide, die in vivo mit Zellkomponenten zu immobilisierten Fluoreszenzmarkierungen reagieren können (siehe Schema). Diese Verbindungen eignen sich zur Gewebeanfärbung oder zum aktivitätsbasierten Screening von Zellen durch fluoreszenzaktivierte Zellsortierung.

Fish fossils are only occasionally found in Taiwan, and such rarely appropriately analyzed described. Despite their sparse records, several Plio-Pleistocene localities rich marine organisms have yielded well-preserved specimens, potentially providing insight into the identified fish fauna tropical-subtropical West Pacific. We describe a sandstone nodule containing skeletons from Late Pleistocene Szekou Formation southern Taiwan. The specimen includes nearly complete left jaws, fragmentary...

Human activities strongly influenced the present-day environment of Tibetan Plateau, especially in northeastern area. The questions over when and to what extent humans began utilize plateau have been long investigated, but there are still gaps our understanding, such as relationship between forest dynamics anthropogenic activities. Here, we simulate potential Holocene geographical distribution three dominant coniferous species Northeast Plateau response climate/environment analyze pollen...

Pure and simple. The efficient synthesis of chromogenic aryl glycoside substrates for N-acetyl-α-hexosaminidases, which were previously troublesome to prepare, is described (see scheme). This one-pot arylation/anomerisation sequence gives access a range α-glycosides, minimizes decomposition β-linked intermediates in the case 2-acetamido sugars.

The following nine elongate unpatterned muraenid species of the subfamily Muraeninae, including one new species, are recognized from Taiwan and adjacent waters: Gymnothorax albimarginatus (Temminck & Schlegel), G. dorsalis Seale, melanosomatus Loh, Shao Chen, phasmatodes (Smith), prolatus Sasaki Amaoka, sagmacephalus Böhlke, Pseudechidna brummeri (Bleeker), Strophidon sathete (Hamilton) pseudomelanosomatus described two specimens. This moray eel is distinguished its similar melanosomatus, by...