Wei-Guang Zhang's research while affiliated with South China Normal University and other places
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Publications (228)
For the first time, hierarchical porous amorphous metal-organic frameworks (HP-aMOFs) containing ultramicropores, micropores, and mesopores were synthesized by etching a composite of MOF glass (agZIF-76) and ZnO using ammonia. These...
Matching the thickness of the graphitic carbon nitride (CN) nanolayer with the charge diffusion length is expected to compensate for the poor intrinsic conductivity and charge recombination in CN for photoelectrochemical cells (PEC). Herein, the compact CN nanolayer with tunable thickness is in situ coated on carbon fibers. The compact packing alon...
A dinuclear zinc complex [Zn2L2] (1), and four mononuclear zinc complexes [ZnBr2(LH)2] (2), [ZnCl2(LH)2] (3), [Zn(LH)2(NCS)2] (4) and [ZnI(CH3OH)L] (5), have been prepared from the Schiff base 5-bromo-2-((cyclohexylimino) methyl)phenol (HL) by microwave irradiation method. All the zinc complexes were characterized by CHN elemental analyses, infrare...
The research on amorphous metal-organic frameworks (aMOFs) is still in its infancy, and designing and constructing aMOFs with functional pores remains a challenge. Two aMOFs based on Co(II) and heterotopic triangular ligands with large conjugated aromatic planes, namely aMOF-1 and aMOF-2, were constructed and characterized by IR, XPS, EA, ICP, XANS...
A metal-organic cage (MOC)-based porous salt composed of cationic Zr-MOC and anionic Cu-MOC was incorporated into SBA-15 nanopores via a two-step impregnation method for the first time. The encapsulated MOC-based...
Pores are generally important for coordination polymers (CPs) to realize adsorption functions, while the high-capacity uptake of guest molecules by nonporous CPs is still very rare. Herein, we demonstrate an...
Although significant progress on the development of functional covalent organic frameworks (COFs) as effective porous adsorbents for capturing radioactive iodine has been achieved, systematic study on regulating the iodine adsorption...
Metal-organic framework (MOF) glass is a new type of glass material, but it usually lacks sufficient porosity. Thus, regulating the pore structure of MOF glass to improve its adsorption performance is very important. Herein, we found that the porosity of MOF glasses agZIF-62 and agZIF-76 can be regulated via an ammonia-immersion approach. After amm...
The application of metal-organic frameworks (MOFs) for iodine adsorption is of current interest. As a typical MOF, MIL-101 exhibits good potential in this area. To improve the iodine capture ability of MIL-101, ethylenediamine (ED)-modified MIL-101-ED (x mmol) (x = 1, 5, 10, and 15, representing different amounts of ED) were used for iodine vapor a...
The development of covalent organic frameworks (COFs) with advanced linkages and exceptional chemical stability is of importance but remains a challenge. Herein, a hydrazone-linked COF (hydrazone-MTH-TFPB COF) was converted through mild oxidation into a hydrazide-linked one (hydrazide-MTH-TFPB COF). The hydrazide-linked COF exhibited high crystalli...
Objective:
To investigate the factors related to renal impairment in patients with diabetic kidney disease (DKD) from the perspective of integrated Chinese and Western medicine.
Methods:
Totally 492 patients with DKD in 8 Chinese hospitals from October 2017 to July 2019 were included. According to Kidney Disease Improving Global Outcomes (KDIGO)...
Chiral triazole pesticides may cause enantioselectively adverse effects to non-target organisms. In this work, we employed zebrafish as an aquatic organism model to explore stereoselective acute toxicity, bioaccumulation, oxidative stress, and thyroid disruption of cis-metconazole enantiomers. The median lethal concentration values of (1S, 5R)-metc...
Porous spherical silica-based chiral stationary phases (CSPs) have been commercially used in the field of chiral separation, however, the scope of their application is, to some extent, limited by the instability of silica towards mobile phase containing strong base or acid. As such, developing new matrix-based CSPs is one of the effective strategie...
Background and aims:
Hepatocellular carcinoma (HCC) is the fourth most common cause of cancer-related death and ranks sixth in terms of incident cases worldwide. The purpose of this study was to develop an effective and sensitive method to distinguish liver cancer tissues from normal tissues in HCC patients. Integrin α6 is a promising cell surface...
Two amorphous metal−organic frameworks (aMOFs) were obtained from crystalline Co-MOF (SCNU-Z6) via temperature-induced (aT-SCNU-Z6) and water-immersed (aW-SCNU-Z6) approaches. They exhibited high iodine uptake, with the adsorption capacities of aT-SCNU-Z6 and...
Purpose
To explore the effect of half ¹⁸F-FDG dose on image quality of pediatric oncological patients using total-body PET/CT. and investigate the ultra-low dose of administered tracer activity.
Methods
100 pediatric oncological patients who underwent total-body PET/CT using the uEXPLORER scanner with half ¹⁸F-FDG dose (1.85 MBq/kg) were retrospect...
In this work, multi‐spectroscopic and molecular docking methods have been conducted in the investigation of enantioselective interactions between diclazuril enantiomers and human/bovine serum albumins (HSA/BSA). The binding constants between serum albumins (SAs) and diclazuril enantiomers revealed that SAs exhibited stronger binding affinity for (R...
Radioactive iodine is a major nuclear waste, and its capture and immobilization are highly desirable. Herein, a new Ni(II) metal-organic framework based on a newly designed imidazole-tetrazole heterotopic tripodal ligand,...
Two Cu(I) coordination polymers (CPs), namely, [CuI(DBPT)(H2O)]n (HDBPT = 3,5-di(1H-benzeimidazol-yl)phenyl)-2H-tetrazole, CP 1) and [CuI(DBPT)·DMF] n (CP 2), were constructed based on a new N-containing heterotopic triangular ligand. CP 1 is...
Three new zinc complexes [Zn3L2(μ2-η1:η1-CH3COO)2(μ2-η2:η0-CH3COO)2] (1), [ZnCl2(HL)] (2) and [ZnBr2(HL)] (3), where L = 5-bromo-2-(((2-isopropylamino)ethyl)imino)methyl)phenolate, HL = 5-bromo-2-(((2-isopropylammonio) ethyl)imino)methyl)phenolate, have been synthesized under microwave irradiation. The complexes were characterized by elemental anal...
Purpose
To investigate the effects of dose reduction on image quality and lesion detectability of oncological ¹⁸F-FDG total-body PET/CT in pediatric oncological patients and explore the minimum threshold of administered tracer activity.
Methods
A total of 33 pediatric patients (weight 8.5–58.5 kg; age 0.8–17.6 years) underwent total-body PET/CT us...
It is well known that Hg(II) ion is one of the most toxic chemical species in the environment, thus developing new sensors for recyclable detection of Hg(II) with excellent sensitivity and selectivity is highly desirable. Herein, a new bipyridine-containing hydrazone-linked covalent organic framework (COF), termed Bpda-Bth COF, is synthesized using...
Reactions of Zn(NO3)2 with a new rigid tripodal imidazolyl-pyrazolyl heterotopic ligand, 4-(3,5-di-imidazol-1-yl-phenyl)-1H-pyrazole (HDIPP), result in a new compound with the formula {[Zn(HDIPP)2]·2NO3}n (Zn-HDIPP). Zn-HDIPP exhibits a 3D framework with a three-fold interpenetrating dia network topology. It shows high hydrolytic stability in the p...
Metal-organic materials capable of turn-on sensing of metal ions in water are highly desirable but relatively infrequently reported. Herein, a hydrogen-bonded inorganic-organic network based on Cu(I) ions and luminescent organic ligands, namely Cu-HBIBA (HBIBA = 4-[bis-(4-imidazol-1-ylphenyl)amino]benzoic acid), was synthesized and applied to detec...
“The strategy of constructing an metal‐organic cage (MOC)‐based extended framework by covalent cross‐linking of MOCs has been successfully realized. The resulting framework retained the function of MOCs and could adsorb anionic pollutants. Our proposed strategy can expand the range of cationic porous materials, which have potential applications in...
The Front Cover shows the synthesis of an amorphous cationic porous metal–organic material CL‐aMOC‐1 through the covalent linking of a large cationic metal–organic cage with an aromatic diamine linker. The Chinese dragon represents CL‐aMOC‐1, which can adsorb toxic oxo‐anions (represented as fish) with high capacities and rapid kinetics in water. M...
Purpose: To investigate the effects of dose reduction on image quality and lesion detectability of oncological ¹⁸F-FDG total-body PET/CT in paediatric oncological patients, and explore the minimum threshold of administered tracer activity.
Methods: A total of 33 paediatric patients (weight, 8.5–58.5 kg; age 0.8–17.6 years) underwent total-body PET/...
Since Fe(III) ion is of importance in biological systems, the development of new sensors for detecting Fe(III) with excellent selectivity and low detection limit is desirable. Herein, a new stable...
Cationic amorphous metal‐organic cage (MOC)‐based materials capable of removing anionic pollutants from water are receiving increasing attention but they are still relatively less reported. Herein, for the first time, a cationic porous MOC‐based extended framework, namely, CL‐aMOC‐1, was constructed by covalent linking of a cationic Pd12L24 (L=3,5‐...
Metal-organic frameworks (MOFs) with high chemical stability in solution are of great interest and have potential for the removal of environmental contaminants. Herein, a MOF (SCNU-Z4) possessing a cage cavity...
A metal-organic framework (MOF), namely SCNU-Z3, based on a imidazole-tetrazole tripodal ligand and Mn(II), has been constructed. It exhibits a porous 3D framework composed of truncated octahedron cage subunits. Unexcepted...
Diclazuril (DIC) is widely used as a racemic mixture to prevent and treat coccidiosis in farm animals, while the pharmacokinetic, bioactivity and toxicity of DIC enantiomers are not known at all. This study first established a simple, sensitive and reliable liquid chromatography tandem mass spectrometry method for separation of R-DIC and S-DIC and...
Nine new N-methoxy-β-carboline alkaloids (NMCAs) (1a/1b−3a/3b and 4−6) and two known NMCAs (7 and 8) were isolated from the stems of Picrasma quassioides. Their structures were elucidated by spectroscopic data analyses, quantum chemical calculations, and single-crystal X-ray crystallographic data. An analysis of the ¹³C NMR chemical shifts of the N...
The development of robust and efficient stationary phase for chromatographic biopharmaceutical purification is of prime importance but remains challenging. Herein, we firstly develop a series of protein A-mesoporous silica composites via covalently coupling protein A with the tagged carbonyl imidazole moieties in the column, which constitutes a fac...
Ordered interlayer stacking is intrinsic in two-dimensional covalent organic frameworks (2D COFs) and has strong implications on COF's optoelectronic properties. Reversible interlayer sliding, corresponding to shearing of 2D layers along their basal plane, is an appealing dynamic control of both structures and properties, yet it remains unexplored...
Sporormielones A–E (1–5), unpresented C-C coupled orsellinic acid derivative dimers containing tricyclic cores with a dimethylcyclopentenone unit, were obtained, and 1–3 and 5 showed obvious short-term memory improvement activity in...
A new strategy of using MOF as an effective amplifier in QCM miRNA sensor was promoted based on the selective interaction between MOF (UiO-66) with different zeta potentials and different...
Background. Mallet fracture is avulsion of the terminal extensor tendon from the base of the distal phalangeal bone with a bony fragment. This study was performed to evaluate the anatomical characteristics of mallet fractures, investigate a new mallet fracture classification system using anatomical and imaging methods, and discuss the treatment sch...
For the development of asymmetric supercapacitors with higher energy density, the study of new electrode materials with high capacitance is a priority. Herein, the electrochemical behavior of nano copper in alkaline electrolyte is first discovered. It is found that there are two obvious reversible redox symmetric peaks in the range of −0.8–0.2 V in...
The interaction between an aMOC and miRNA/DNA is studied and the use of signal probe DNA (spDNA)@aMOC complex as an effective amplifier in QCM sensor to detect miRNA is developed....
Aim:
Serum anti-phospholipase A2 receptor (anti-PLA2R) antibodies are highly accurate in diagnosing idiopathic membranous nephropathy (IMN) in populations with kidney disease. However, the diagnostic value of anti-PLA2R antibodies for IMN in diabetic kidney disease (DKD) is unclear. The objective of this study is to determine the diagnostic effica...
A 2D imine-linked COF with a hitherto unreported htb type topology was synthezied from a linear diamine linker and a judiciously designed tetra-aldehyde building block. This work opens the door...
A pair of homochiral coordination polymers, [Cu(DPT)]
n
(1M and 1P, HDPT = 3,5-di-4-pyridinyl-2H-tetrazole), were assembled from achiral precursors. Crystal structure analysis showed that they are chiral three-dimensional (3D) coordination polymers based on a new double-stranded helical building block that is composed of two different 1D helices. I...
A metal-organic framework (MOF), named SCNU-Z2, based on a new heterotopic tripodal nitrogen-containing ligand, has been constructed. Due to the replacement of one imidazole group in the reported ligand with one tetrazole group, the charge of the framework is changed from cationic to anionic but retains the same framework structure. The framework c...
Background:
The angiography with micro-computed tomography (micro-CT) has been proved its great advantages on investigating the intra-osseous vascularity of carpal bones. But few researches have focused on the intra-hamate vascularity. This study aimed to illustrate the intra-osseous arteries of the hamate and the relationship between the intra-ha...
Sensitive and selective detection of miRNA is of great significance for the early diagnosis of human diseases, especially for cancers. Quartz crystal microbalance (QCM) is an effective tool for detecting biological molecules; however, the application of QCM for miRNA detection is still very limited. One of the great needs for QCM detection is to fu...
Colorectal cancer (CRC) is the third most common cancer and the fourth leading cause of cancer deaths worldwide. Integrin α6 is overexpressed in all stages of CRC which makes it a potential diagnostic biomarker for CRC. Previously, we identified an integrin α6-targeted peptide CRWYDENAC (dubbed RWY) using phage display technology and employed it fo...
Two new heterometallic coordination polymers, namely, [SmNa(μ2-HBIP)(μ3-HBIP)3]n (1) and {[TbAg2(μ3-HBIP)(μ3-BIP)(μ4-BIP)(H2O)]·4H2O}n (2), have been successfully synthesized under suitable conditions by selecting a N-heterocyclic carboxylic acid, 3-(1H-benzimidazol-2-yl)propanoic acid (H2BIP), as the multidentate ligand. Single-crystal X-ray diffr...
Systematic investigation of cyproconazole, including absolute stereochemistry, fungicidal activity, quantification in two matrices, and stereoselective degradation in cucumber, are conducted in this study. By virtue of the vibrational circular dichroism (VCD) spectroscopy, absolute configurations of four stereoisomers were identified to be (2R, 3R)...
Oxo-anion pollutants pose serious threat to natural water systems. It is highly necessary to develop cationic porous materials capable of removing oxo-anion from sewage. However, they are relatively rarely reported compared with anionic and neutral materials. Herein, two cationic amorphous metal-organic cage-based solids containing cages of differe...
Integrin α6 emerges to be a diagnostic biomarker for hepatocellular carcinoma (HCC). Here, we translated our previously identified integrin α6 targeted peptide RWY into a positron emission tomography (PET) tracer 18F-RWY for the detection of HCC lesions in following four HCC mouse models including subcutaneous, orthotopic, genetically engineered an...
Bayer red mud accounts for the largest proportion of solid waste produced in the non-ferrous metallurgy industry and is usually handled by stockpiling because of its high alkalinity. The calcification–carbonation method (CCM) was proposed to extract alumina and sodium oxide from red mud using a fully hydrometallurgical process in order to scale the...
In terms of secondary resource recovery and environmental impact, fly ash is attracting a great deal of attention in China. This study aimed to investigate the carbochlorination process of titanium oxide to recover titanium. The extraction kinetics mechanism of titanium oxide from fly ash was investigated at temperatures ranging from 850°C to 1050°...
In the metal extraction process, recovery of valuable elements from fly ash can have economic benefits and maximize its utilization. Extraction of Mg and Ca from fly ash by the carbochlorination method was studied as a function of carbochlorination temperature, time, carbon content, pellet diameter, and chlorine gas flow rate. The kinetic regime of...
Covalent organic frameworks are a new class of crystalline porous materials that have various potential applications. However, utilization of covalent organic frameworks as new stationary phases for gas chromatography separation has been less explored. In this work, a hydrazone‐linked chiral covalent organic framework has been covalently bonded ont...
A new two-dimensional (2D) 3d–4f heterometallic coordination polymer, which is {[Tb2Zn4(µ3-TFMIDC)4(µ4-HTFMIDC)(H2O)8]·2H2O}n, has been successfully synthesized by the solvothermal reaction of 2-(trifluoromethyl)-1H-4,5-imidazole dicarboxylic acid (H3TFMIDC) with Zn(II) and Tb(III) ions. The title compound was structurally characterized by diverse...
Full-spectrum-responsive AgI/WS 2 composites as an efficient photocatalyst have been synthesised by an in-situ growth of AgI on the surfaces of WS 2 nanosheets. The photocatalytic activities of the samples were evaluated by degradation of rhodamine B dilute solution under visible light irradiation. Experimental results showed that the introduction...
Cationic framework materials capable of removing anionic pollutants from wastewater are highly desirable but relatively rarely reported. Herein, a cationic MOF (SCNU-Z1-Cl) possessing tubular channels with diameter of 1.5 nm based on Ni(II) and a nitrogen-containing ligand has been synthesized and applied to capture hazardous anionic contaminants f...
The preparation of zeolite A from high alumina fly ash (HAFA) of China has been carried out using the alkali fusion and hydrothermal synthesis method with the consideration of comprehensive utilization of the alumina and silica contents in HAFA. The pre-roasting, acid leaching, alkali fusion and hydrothermal synthesis experiments were carried out a...
To systematically and efficiently evaluate the roles of various parameters on the carbochlorination process, the five-level Taguchi method was used to investigate the carbochlorination of alumina and silica from high-alumina fly ash. A four-stage carbochlorination mechanism of fly ash was proposed. The results revealed that under optimum conditions...
The extraction of valuable elements from high-alumina fly ash was carried out using two methods, the carbochlorination method and the carbothermic method. The carbochlorination experiments were conducted to investigate the impacts of the factors of reaction time, temperature, and carbon content. The carbochlorination of fly ash at a carbon: alumina...
In this paper, ferric sulfate was extracted from titanium white waste acid as the iron source of lithium iron phosphate precursor. The ferric sulfate obtained from titanium white waste acid, ammonium phosphate tribasic, and ammonia hydroxide were used as raw materials through liquid precipitation method to obtain iron phosphate as the precursor of...
Background: Diabetes mellitus (DM) has become the leading cause of chronic kidney disease (CKD). Nondiabetic renal diseases (NDRDs) have different clinicopathological features and prognosis from those of diabetic nephropathy. Our study sought to analyze the clinical and pathological features of NDRDs, in different age groups through a cross-section...
In the present work, wrinkled n-type WS2 nanosheets were synthesized and then used to construct the In2.77S4/WS2 p-n heterojunction photocatalyst. Experimental results reveal that the as-prepared hybrids present excellent photocatalytic activity for Cr(VI) reduction and tetracycline oxidation under visible and infrared light irritation. The photoca...
The Ag2CrO4/SnO2 n–n type heterojunction has been fabricated by coupling Ag2CrO4 particles with SnO2 nanorods via an in situ synthetic method. The photocatalytic degradation mechanism of the as-prepared heterojunction has also been discussed. Characterization results revealed that the as-fabricated Ag2CrO4/SnO2 composites could reinforce the photo-...
In this paper, a miRNA‐based quartz crystal microbalance (QCM) biosensor was fabricated and used to the rapid and effective sensing of miRNA. The specific hybridization between probe miRNA and different selected miRNAs (miR‐27a, miR‐27b, and Let‐7a) cause a different interaction mode, thus display different frequency change and response patterns in...
Aims
Diabetes mellitus (DM) has overtaken infection and immunological factors as the most common cause of end-stage renal disease. The 2007 Kidney Disease Outcomes Quality Initiative (KDOQI) guideline is a widely accepted guideline for the clinical diagnosis of diabetic nephropathy (DN) and non-diabetic renal disease (NDRD). Our study sought to ver...
The carbochlorination kinetics of high-alumina fly ash was investigated. The influence of reaction temperature, time, carbon content, pellet diameter, and Cl2 flow rate on the reaction was analyzed. The morphological changes of the samples during the reaction showed that different sizes of spherical particles disappeared entirely after the carbochl...
For the first time, an amorphous solid contains large cationic M12L24 metal–organic cage (MOC) based on Pd(II) and 3,5-di-pyridin-4-yl-benzaldehyde (L), namely aMOC-1, was constructed and characterized. Although it is an amorphous structure, regular cavity that created by MOC still exists in the solid and performs excellent dye adsorption and separ...
The direct Z-scheme Ag2WO4/WS2 photocatalysts had been fabricated by using a deposition method. Experimental results indicated that WS2 nanosheets could improve the photocatalytic activity, light absorption and recyclability of Ag2WO4 under the visible light irradiation. The degradation efficiency of the as-obtained Ag2WO4/WS2 hybrids for rhodamine...
To explore the influence of in situ hydrolysis reaction on the assembly of coordination polymers (CPs), seven new CPs based on in situ formed 3,5-di(1H-1,2,4-triazol-1-yl)benzoic acid (HDTBA) from two different precursors, 3,5-di(1H-1,2,4-triazol-1-yl)benzonitrile (DTBN) and 5-(3,5-di(1H-1,2,4-triazol-1-yl)phenyl)-2H-tetrazole (HDTPT), were constru...
The In2.77S4/SrCO3 heterojunction photocatalyst had been prepared by one-step hydrothermal method. X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectrometry, UV–Vis diffuse reflectance spectroscopy and electrochemical impedance spectroscopy were used to analyze the structure, morphology, chemical compositions, optical pr...
In this study, the reaction mechanism of mullite carbochlorination was investigated to determine its potential in the use of high-alumina fly ash. Thermodynamic analysis of carbochlorination reduction was conducted to determine the two-stage mechanism of carbochlorination of the system Al6Si2O13-C-Cl2. The calculation results agreed well with the e...
The In2.77S4 microspheres had been firstly fabricated by using polyethylene glycol (PEG) as the morphological modifier and then used to hybridize with In(OH)3 nanocubes by a simply depositional method. The structure, optical properties, morphology, chemical compositions, and charge carrier behaviors of the as-prepared In2.77S4/In(OH)3 composites we...
Purpose:
To explore the relationship between central blood pressure (BP) parameters and cardiac structure and function parameters in healthy individuals.
Methods:
Four hundred Chinese participants with no overt cardiovascular disease participated in this study. One hundred and seventy-one participants (42.8%) were male and the mean age was 60 ye...
A microporous metal–organic framework (MOF), [Cd(IP)Cl]n (1, HIP = 1H-imidazo[4,5-f][1,10]phenanthroline), with 1D square channels along the c axis was constructed through the solvothermal method. Because of the polar nitrogen atoms and the π-electron-rich ligand, activated MOF 1a presents a strong interaction with CO2, showing selective capture of...
A new 3D Zn(II) MOF based on 2-(hydroxymethyl)-1H-imidazole-4,5-dicarboxylic acid (H4hmIDC), formulated as {[Zn3(HhmIDC)2(H2O)2]·2H2O}n, has been successfully prepared under hydrothermal conditions and structurally characterized by single-crystal X-ray diffraction, elemental analysis and infrared spectroscopy, as well as power X-ray diffraction. It...
Menthol has been widely used in pharmaceuticals, food industry, oral health care products, cosmetic industry, and tobacco products, and its HPLC chiral separation has been less reported till now. Herein, a simple and direct method has been developed for separation of menthol by normal-phase HPLC coupled with refractive index detector and/or optical...
Objective:
To investigate the effect of 810 nm near-infrared (NIR) laser on the revascularization of ischemic flaps.
Background:
It has long been proved that photobiomodulation therapy (PBMT) improves the blood supply of flaps. NIR laser improves the treatment of hypodermis-located lesions and of flap survival, but basic research on the use of 8...
The sodium pump Na+/K+ ATPase a1 subunit(NKA a1), an attractive cancer-related biomarker and therapeutic target, is closely related to the development and progression of several cancers including breast cancer. Currently, a NKA a1 inhibitor, UNBS1450, has already evidenced its great therapeutic potential in personalized cancer treatment. The abilit...
Covalent organic frameworks (COFs), as an emerging class of crystalline porous organic polymers, have great potential for applications in chromatographic separation owning to their fascinating crystalline structures and outstanding properties. However, development of COF materials as novel stationary phases in high performance liquid chromatography...
Background:
The etiology of Kienböck's disease is controversial, and the blood supply is a possible pathogenic factor. The red lead (Pb3O4) angiography with micro-computed tomography (micro-CT) of lunate to investigate intralunate arteries has rarely been reported. This study aimed to investigate a new, reasonable, and simplified technique to stud...
Resolution of chiral compounds has played an important role in the pharmaceutical field, involving detailed studies of pharmacokinetics, physiological, toxicological, and metabolic activities of enantiomers. Herein, a reliable method by high-performance liquid chromatography (HPLC) coupled with an optical rotation detector was developed to separate...
Reactions of Co(II) with 5-(3-(1H-imidazol-1-yl)phenyl)-1H-tetrazolate (HIPT) resulted in three Co(II) coordination polymers (CPs), namely, {[Co(IPT)2(H2O)2]·2H2O}n (1), [Co(IPT)2]n (2), and {[Co3(IPT)2(CH3COO)2(OH)2(H2O)2]·2H2O}n (3). Compound 1 that obtained from CoCl2·6H2O at 120 °C is a 2D network based on Co(II) ions and μ2-IPT⁻ ligands. Compo...
Extradomain-B fibronectin (EDB-FN), an oncofetal isoform of FN, is a promising diagnostic and therapeutic target of tumors, including breast cancer. Many EDB-FN-targeted drugs have been developed and have shown therapeutic effects in clinical trials. Molecular imaging to visualize EDB-FN-positive cancers may help select the right patients who will...
Two new imidazole-based dicarboxylate ligands, which are 2-(pyridin-4-ylmethyl)-1H-imidazole-4,5-dicarboxylic acid (H3pPyMIDC) and 2-(pyridin-3-ylmethyl)-1H-imidazole-4,5-dicarboxylic acid (H3mPyMIDC), have been designed and successfully synthesized. Both two multidentate ligands are then used to react with different kinds of alkaline earth metal i...
A series of new two-dimensional (2D) lanthanide(III) coordination polymers, namely {[Ln2(μ
2-HTFMIDC)3(DMA)4] · 2H2O}n
[Ln = Pr (1); Nd (2); Sm (3); Eu (4); H3TFMIDC = 2-(trifluoromethyl)-1H-imidazole-4,5-dicarboxylic acid, DMA = N,N′-dimethylacetamide] for type I and {[Ln2(μ
2-HTFMIDC)3(DMA)2(H2O)2] · DMA}n
[Ln = Eu (5); Gd (6)] for type II, have...
Direct acid leaching of converter vanadium slag by titanium dioxide waste is eco-friendly and efficient, but with low selectivity. This novel technique can result in a vanadium solution which contains chromium(III), aluminium(III), magnesium(II), manganese(II) and high amount of iron(II) and iron(III). Bis (2-ethylhexyl) phosphoric acid (D2EHPA) an...
The imidazole-based dicarboxylate ligand 2-(4-(pyridin-4-yl)phenyl)-1H-imidazole-4,5-dicarboxylic acid (H3PyPhIDC), was synthesized and its coordination chemistry was studied. Solvothermal reactions of CaII, MnII, CoII, and NiII ions with H3PyPhIDC produced four coordination polymers, [Ca(μ3-HPyPhIDC)(H2O)2]n (1), {[M3(μ2-H2PyPhIDC)2(μ3-HPyPhIDC)26...
Citations
... Oil water separation is an important process for treating oily wastewater. However, traditional oil removal methods not only face difficulties in recovering adsorbent products, low adsorption rates, high economic costs, but also have limitations such as unfriendly environment [4,5]. Therefore, how to effectively treat oil pollutants in water has become a challenge faced by humans. ...
... The synthesis of new metal complexes with antibacterial properties is a prominent subject in the fields of coordination chemistry and bioinorganic chemistry. 8 Additionally, Ni and Cu metals are frequently employed in coordination chemistry due to their well-documented biological activities, especially their antimicrobial properties. 9 Moreover, previous studies have demonstrated the effective interaction of metals with the active site of FabH, leading to interference with its enzymatic activity. ...
... Over the past few years, significant strides have been made in employing MOFs as an adsorbent for dye removal. Recently, Feng et al. 159 have reported two amorphous Co-MOFs for dye adsorption. The two amorphous MOFs, namely, aMOF-1 and aMOF-2, are linked with 2,6bis(4-imidazol-1-yl-phenyl)-4-[4-(2H-tetrazol-5-yl)phenyl]pyridine (HBITP) and 4-(4-(1H-imidazol-1-yl-phenyl)-2,6bis(4-(2H-tetrazol-5-yl)phenyl)pyridine (H 2 IBTP), respectively. ...
... Hydrolysis and autophagy are the two main processes of ligand degradation [164] in the copper, zinc, and CuZn complexes. The relationship between the two degradation mechanisms of hydrolysis and autophagy and both lipophilic and hydrophilic ligand biosensors is elaborated in Figure 3. Their induced and cleaved processes for drug release via the mitochondrial and rat sarcoma virus (RAS)-rapidly accelerated fibrosarcoma (RAF)-serine/tyrosine/threonine kinases (MEK)-extracellular signal-regulated kinase (ERK) signalling pathways [40] are highlighted. ...
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... Metal-Organic Frameworks (MOFs) are a new class of porous inorganic−organic materials through the composition between organic ligands and metal ions or clusters, which play an important role in water treatment [25], biosensors [26], electrode materials [27], catalysis [28], adsorption [29,30], diagnostics [31], promotion of wound healing [32] and drug delivery [33,34]. With the continuous development of nanomaterial technology, MOFbased antimicrobial materials have become a hot spot for antimicrobial applications [35]. ...
... During the operation of nuclear power plants and after the disposal of spent fuel, a large quantity of radioactive waste gas is generated, including C-14, I-129, I-131, Co-60, Cs-134, Cs-137, Sr-90, Ce-144, Kr-85 and Xe-13, etc., of which the most serious ones are I-129, I-131. [33][34][35][36] Radioactive iodine vapor is one of the toxic substances contaminated in nuclear waste, as radioactive iodine is absorbed into the bloodstream and quickly accumulates in the thyroid gland. Where the radioactivity may cause radiation damage to thyroid cells, leading to cancers, genetic mutations and other health problems, as well as affecting plants and animals in the ecosystem. ...
... For example, a hydrazide-linked MTH-TFPB COF was prepared by mild oxidation of a hydrazone-linked MTH-TFPB COF. [14] Interestingly, owing to the advantageous interaction between hydrazide moieties and I 2 molecules, hydrazide-MTH-TFPB COF showed higher I 2 uptake (3.05 g g À 1 ), which was~1.3 times than hydrazone-MTH-TFPB COF. Another hydrazone-linked H-COF was converted into an oxadiazole-linked ODA-COF via postoxidative cyclization. ...
Reference: Hydrazone‐Linked Covalent Organic Frameworks
... Moreover, it can lead to urate crystal formation that causes gout (a type of inflammatory arthritis), leading to joint damage, loss of motion and an acute inflammatory response (Koka et al., 2000). Hyperuricemia is the causative risk factor for gout (Choi et al., 2005) and increases the risks for chronic kidney disease (CKD) (Johnson et al., 2018), cardiovascular disease (Feig et al., 2008;Gaffo et al., 2009), hypertension (Feig and Johnson, 2003), insulin resistance (Facchini et al., 1991;Yoo et al., 2005), and diabetic kidney disease (Kim et al., 2012;Qu et al., 2022). Currently, it is recognized that hyperuricemia alone is not sufficient to cause gout and that other factors also play roles in urate crystal formation. ...
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... The effects of MC on human health have not yet been explored. In zebrafish, the median lethal concentration was placed at 3.17 mg/L (He et al., 2022). MC was cytotoxic at 6 mg/kg bw/d in rodents (EFSA, 2009). ...
... Polymers are commonly used as matrices, and the CS is generally coated onto polymer surfaces using coating methods, such as using porous glycidyl methacrylate-co-ethylene dimethacrylate monolith (Noel Echevarria et al. 2018) and glycidyl methacrylate-divinylbenzene copolymer particles (Li et al. 2020) as matrices. In addition, metal oxides such as zirconia (Kumar and Park 2011) as well as covalent organic frameworks (Yan et al. 2022) have been used as matrices to synthesize chiral separation materials, also using coating methods. ...
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