Journal of the Taiwan Institute of Chemical Engineers
·
2025
·
IF 6.3
Yihan Wang,Yihao Wang,Jianjun Cheng,Chun Chen,Fei Zhan,Lei Wang,Guoyong Song
Background Durable superhydrophobic coatings offer a pleasing visual experience and robust self-cleaning capabilities, providing reliable support for enhancing living quality and industrial safety. In the manufacturing of modern superhydrophobic coatings, especially those derived from natural and renewable biomass materials, abrasion resistance, practicality, and the application performance of various colors have become key considerations. Wood fiber, a natural, abundant and sustainable material, has great potentials in hydrophobic material application due to its low-cost, biodegradation, UV resistance properties. Methods In this study, a biomimetic bird's nest-shaped material with multicolored durable superhydrophobic functions achieved by modifying wood fiber with ZnO nanoparticles and fluorination was developed, which takes the form of powder, flexible film, and solid powder paint. Significant Findings Compared to traditional hydrophobic paints, it can be easily applied to various substrate surfaces with desired colors, including flexible tapes and paper, rigid glass and steel plates, providing a feasible solution for the low-cost, excellent durability, multi-functional, and high-value utilization of superhydrophobic materials.
✓ 已验证
产品关联
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2026
·
IF 12.5
Tongtong Ma,Xinyue Ma,Qiao Huang,Lin Zhang,Baiyi Lu,Kaiyu He,Yibin Ying,Yingchun Fu
Integrated PNCE enables dual-interface confinement and electrochemical sensing. • ZIF-8 confined growth regulates transport and enhances selective adsorption. • Sensitive TC detection with low LOD (0.22 ng mL −1 ) and high enrichment (>85%) in chicken samples. Nanochannel-based electrochemical sensors show great promise for food analysis, yet small-molecule detection remains challenging due to insufficient molecular recognition and limited interface utilization. Herein, we report a portable paper-based nanochannel electrode (PNCE) integrated with selective adsorption elements, in which nanoporous gold layers were modified on both sides of the nanochannels, and its application in small-molecule analysis was explored. ZIF-8 was controllably grown across the outer surfaces and internal fibrous pathways through counter-diffusion, narrowing the local transport pathways and restricting ion and probe transport. Combined with the strong adsorption capability of ZIF-8, the resulting ZIF-8/PNCE system directly captured target small molecules and suppressed the diffusion of electrochemical probes, thereby enabling sensitive small-molecule detection without requiring additional labeling or biological recognition elements. Based on the cooperative contribution of outer-surface interaction and inner-channel confinement, the ZIF-8/PNCE system achieved preferential adsorption and sensitive class-level detection of tetracycline-class antibiotics (TCs), with TC selected as a representative model analyte and a detection limit of 0.22 ng mL −1 , comparable to or even surpassing many sensing systems that rely on biological recognition probes. Moreover, electrostatic potential and binding-energy simulations further confirmed the strong interaction between TC and ZIF-8. Reliable recoveries (94.16–115.6%) in real chicken samples demonstrated the practical applicability of the platform. This work establishes a dual-interface confinement-regulated electrochemical sensing strategy for portable and label-free small-molecule analysis. Download: Download high-res image (168KB) Download: Download full-size image
✓ 已验证
产品关联
DOI
高影响因子
Scientific Reports
·
2026
·
IF 3.9
Ma Ke-Yu,Hou Bao-Long,Fan An-Qi,Huang An-Li,Li Bo-Rui,Liang Yan-Ni,Wang Zheng
Indigo Naturalis (IN), utilized for thousands of years in China, is known for its effects in clearing heat, removing toxins, and alleviating diarrhea. Studies indicate that IN possesses anti-ulcerative colitis (UC) effects. However, the molecular processes that explain its therapeutic outcomes are still not fully understood. This study was to clarify the mechanism of IN against UC using both in vitro and vivo research methods. RAW264.7 cells were activated by lipopolysaccharide (LPS) (1 µg/mL) to found an inflammatory model; MTT and NO test was conducted to examine the influence of IN, indigo, indirubin, isatin, and MIX (indigo, indirubin, and isatin) on cell viability and anti-inflammatory activity. Inflammatory cytokines expression was evaluated with ELISA. Western Blotting was employed to analyze the MAPK, STAT3, and NF-κB pathways. UC model was generated by 2.5% DSS in C57BL/6 mice. Disease activity index (DAI) scoring , myeloperoxidase (MPO), and H&E staining are all for mice status. We demonstrated that IN, indirubin, and isatin can all regulate the expression of inflammatory cytokines. NF-κB, STAT3, and MAPK pathways was closely associated with IN, whereas indirubin acted to block the activation of both the NF-κB and STAT3 pathways. Contrastingly, the isatin mechanism of action was tightly connected with the regulation of the NF-κB and MAPK pathways. Additionally, MIX inhibited the activation of STAT3 pathway while suppressing the level of p-P38 expression in the MAPK pathway. MIX can enhance multiple indicators and conditions in UC mice. The active ingredients in IN (indigo, indirubin, and isatin, MIX) can significantly improve the condition of UC mice. MIX exerts anti-inflammatory effects by inhibiting the activation of the STAT3 pathway and expression of p-P38 in the MAPK pathway.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
APPLIED CLAY SCIENCE
·
2023
·
IF 5.6
Li Li,Guanzheng Zhuang,Peng Yuan
Sepiolite can form stable hybrid pigments by immobilizing organic dyes in its microporous structure. Previous investigations demonstrated that the micropores and coordinated water might be responsible for the exceptional color and stability of indigo-sepiolite hybrid pigments. This work reveals the roles of coordinated water in forming hybrid pigments by acid modification. Raw sepiolite was modified by nitric acid at different conditions before use. Then a series of indigo-sepiolite pigments were prepared by indigo and acid-modified sepiolite. Their microstructures were characterized and analyzed by X-ray diffraction, Fourier transform infrared, transmission electron microscopy , and N 2 adsorption-desorption. The color properties of hybrid pigments were evaluated by reflectance spectra and CIE color parameters. Investigations into the chemical stability of pigments were conducted using concentrated HNO 3 and dimethyl sulfoxide. In addition, the photostability of pigments exposed to simulated 30-year illumination in a typical museum was studied. Acid modification of sepiolite contributed to a larger specific surface area and pore volume. However, acid modification resulted in worse color properties and stability due to the removal of coordinated water bonded with octahedral Mg 2+ . These findings confirmed that coordinated water molecules were the key to stabilizing indigo-sepiolite hybrid pigments by forming hydrogen bonds .
✓ 已验证
产品关联
DOI
高影响因子
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
·
2023
·Vol. 24
·期 3
·2395
·
IF 5.6
Yanqing Li,Yingwu Lin,Fang Wang,Jinghan Wang,Osami Shoji,Jiakun Xu
With the increasing demand for blue dyes, it is of vital importance to develop a green and efficient biocatalyst to produce indigo. This study constructed a hydrogen peroxide-dependent catalytic system for the direct conversion of indole to indigo using P450BM3 with the assistance of dual-functional small molecules (DFSM). The arrangements of amino acids at 78, 87, and 268 positions influenced the catalytic activity. F87G/T268V mutant gave the highest catalytic activity withkcatof 1402 min−1and with a yield of 73%. F87A/T268V mutant was found to produce the indigo product with chemoselectivity as high as 80%. Moreover, F87G/T268A mutant was found to efficiently catalyze indole oxidation with higher activity (kcat/Km= 1388 mM−1min−1) than other enzymes, such as the NADPH-dependent P450BM3 (2.4-fold), the Ngb (32-fold) and the Mb (117-fold). Computer simulation results indicate that the arrangements of amino acid residues in the active site can significantly affect the catalytic activity of the protein. The DFSM-facilitated P450BM3 peroxygenase system provides an alternative, simple approach for a key step in the bioproduction of indigo.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Forensic Sciences Research
·
2022
·
IF 0
Qi Yang,Huan Yu,Yiling Qu,Xiaochun Zhang,Ruocheng Xia,Ziwei Wang,Rui Tan,Lei Xiong,Shihan Xi,Jun Wu,Yuzhen Gao,Suhua Zhang,Chengtao Li
Insertion/deletion polymorphisms (InDels) have been treated as a prospective and helpful genetic marker in the fields of forensic human identification, anthropology and population genetics for the past few years. In this study, we developed a six-dye multiplex typing system consisting of 34 autosomal InDels and Amelogenin for forensic application. The contained InDels were specifically selected for Chinese population with the MAF ≥ 0.25 in East Asia, which do not overlap with the markers of Investigator® DIPplex kit. The typing system was named as GoldeneyeTM DNA ID System 35InDel Kit, and a series of developmental validation studies including repeatability/reproducibility, concordance, accuracy, sensitivity, stability, species specificity and population genetics were conducted on this kit. We confirmed that the 35InDel kit is precise, sensitive, species specific and robust for forensic practice. Moreover, the 35InDel kit is capable of typing DNA extracted from forensic routine case-type samples as well as degraded samples and mixture samples. All markers are proved to be highly polymorphic with an average observed heterozygosity (He) of 0.4582. The combined power of discrimination (CPD) is 0.999 999 999 999 978 and the combined power of exclusion in duos (CPED) and trios (CPET) are 0.978 837 and 0.999573, respectively, which are higher than those of the Investigator® DIPplex kit. Thus, the GoldeneyeTM DNA ID System 35InDel kit is suitable for forensic human identification and could serve as a supplementary typing system for paternity testing.Supplemental data for this article is available online at https://doi.org/10.1080/20961790.2021.1945723 .
✓ 已验证
产品关联
DOI
PubMed
Bioresources and Bioprocessing
·
2022
·Vol. 9
·期 1
·1-16
·
IF 4.983
Sun Bing-Yao,Sui Hua-Lu,Liu Zi-Wei,Tao Xin-Yi,Gao Bei,Zhao Ming,Ma Yu-Shu,Zhao Jian,Liu Min,Wang Feng-Qing,Wei Dong-Zhi
Indirubin is a bisindole compound for the treatment of chronic myelocytic leukemia. Here, we presented a structure-guided method to improve the activity of a flavin-containing monooxygenase (bFMO) for the efficient production of indirubin in Escherichia coli. A flexible loop interlocked with the active pocket through a helix and the substrate tunnel rather than the active pocket in bFMO were identified to be two reconfigurable structures to improve its activity, resulting in K223R and N291T mutants with enhanced catalytic activity by 2.5- and 2.0-fold, respectively. A combined modification at the two regions (K223R/D317S) achieved a 6.6-fold improvement in catalytic efficiency (kcat/Km) due to enhancing π–π stacking interactions stabilization. Finally, an engineered E. coli strain was constructed by metabolic engineering, which could produce 860.7 mg/L (18 mg/L/h) indirubin, the highest yield ever reported. This work provides new insight into the redesign of FMOs to boost their activities and an efficient approach to produce indirubin.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
FOOD CHEMISTRY
·
2022
·
IF 9.231
Shuangshou Wang,Lu Zhang,Qiwen Jin,Zhongqiu Xu,Jiayi Zhao,Yuwen Ding,Wenzhi Li,Peng Lin,Jing Gu,Qi Zhang,Yang Chen,Hongmei Chen,Tingxuan Yan
A filter paper-based colorimetric strategy for instrument-independent visual detection of artificial food colorants (FCs) was developed in this study. Indicator papers were prepared via the one-step polycondensation of silane coupling agents onto glass microfiber filter papers, and colorimetric cards with a fine one-to-one correspondence between their colors and FCs concentrations were straightforward obtained by the extraction of FCs with indicator papers by virtue of electrostatic interaction and hydrophobic effect. Filter papers post-modified via such a simple way were proved to be of improved binding class selectivity and colorimetric sensitivity, allowing for in-situ colorimetric assay of FCs in an unprecedently wide range of applicable pH (1.0–12.0) with high reliability and fine versatility. Finally, the semiquantitative naked-eye determination of FCs (Allura red, brilliant blue and sunset yellow) in real-world drink samples was experimentally confirmed to be feasible by comparison with the findings of UV–vis absorption spectra, HPLC and mass spectra.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
DYES AND PIGMENTS
·
2022
·
IF 5.122
Li Li,Guanzheng Zhuang,Mengyuan Li,Peng Yuan,Liangliang Deng,Haozhe Guo
Maya blue is a greenish-blue and stable pigment composed of indigo and palygorskite or sepiolite . Previous studies implied that the properties of Maya blue were influenced by different hydroxyl groups in the clay structure, e.g., zeolitic water, coordinated water, and structural hydroxyls. Therefore, an in-depth investigation was planned to analyze the structures and properties of indigo-sepiolite hybrid pigments in this work. Sepiolite materials were heated at 160, 360, 610, and 880 °C to remove zeolitic water, the first coordinated water, the second coordinated water, and structural hydroxyls. A series of Maya blue simulants were prepared by heating the mixture of indigo and sepiolite materials at 180 °C. Reflectance spectroscopy and CIE 1976 color space were employed to characterize color properties and color differences of hybrid pigments. Chemical resistance to concentrated HNO 3 and dimethyl sulfoxide (DMSO), and photostability under visible light were evaluated. Microporous analysis and Fourier transform infrared spectroscopy were applied to study the indigo-sepiolite interaction. Coordinated water was essential for the greenish-blue color and outstanding stability of Maya blue, while zeolitic water and structural hydroxyls did not affect pigments’ properties. Indigo molecules were confirmed to be inserted into sepiolite channels and formed hydrogen bonds with coordinated water at one side. Structural hydroxyls were insignificant for the formation of Maya blue. This work provides a guideline for preparing stable clay-dye hybrid pigments.
✓ 已验证
产品关联
DOI
高影响因子
TALANTA
·
2022
·
IF 6.556
Ming Guan,Xiaojing Kang,Le Wei,Xingjun Hu,Chao Han,Xing Li,Hanwen Liu,Liang Qu,Zhenwen Zhao
Silk, as one of the representative artifacts of China, profoundly affects the communication between eastern and western civilizations, and dyes, as the color support of silks, reflected crucial historical, cultural and technological information. Surface enhanced Raman spectroscopy (SERS) characterized by vibrational information has been extensively employed in dye analysis. However, since natural plants with complex coloring compositions in ancient China were broadly applied in dying textiles, the existing SERS methods often misinterpret results in dye analysis. Besides, semi-quantification of each component was of great difficulty by SERS, limiting the exquisite comparative analyses of different historical samples. For the first time, a dual-mode strategy combining SERS with high mass resolution MALDI FTICR MS was developed in virtue of core-shell silver nanoparticles (AgNPs@PDA), which realized the precise identification and semi-quantification of complex dye mixtures, thus significantly improving the accuracy and applicability of traditional SERS method. Four typical dye components (alizarin, purpurin, berberine and indigo) have been identified and semi-quantified in unearthed dyed silks from Tang Dynasty based on the method. More interestingly, multiple dye components with different contents and their ratio could be precisely determined, which might help in further investigating their dyeing techniques. This dual-mode strategy represents a promising tool for providing solid support for cognition, evaluation and restoration of textile objects in museums and conservation centers.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
MICROCHEMICAL JOURNAL
·
2023
·
IF 4.8
Mingyi Yao,Jian Liu,Narengaowa,Yonggu Li,Feng Zhao
Accurate detection of natural dyes in archaeological textiles is challenging due to limited sample availability. In situ detection of fibers by surface-enhanced Raman scattering (SERS) can overcome this challenge. In this study, we present two methods for the preparation of SERS substrates based on the laser photoreduction reaction and the galvanic displacement reaction, respectively. Our results show that the substrates prepared by these methods, including 450 nm-AgNPs, Cu-based Ag, and Zn-based Ag, offer several advantages such as rapid preparation, easy handling, low cost, high sensitivity and excellent reproducibility. Using these substrates, we successfully detected anthraquinones (alizarin, purpurin), indigoids (indigotin, indirubin), and protoberberine-type dyes in archaeological textiles from the Wei and Jin Dynasties. Notably, we were able to detect both indigo and protoberberine-type dyes in one archaeological fiber. The minimally invasive, in situ analytical approach developed provides a valuable tool for analytical applications where sampling is limited to microscopic amounts.
✓ 已验证
产品关联
DOI
高影响因子
SURFACE & COATINGS TECHNOLOGY
·
2021
·
IF 4.158
Ting Shi,Qian Jia,Hongning Wang,Ruoyu Chen
The multifunctional coatings with hydrophobicity , oleophobicity, and antireflection have great practical application value. In this work, the mixed sol of alumina sol and silica sol prepared by the sol-gel method was deposited on both sides of glass substrates by dip-coating method. After the calcined coating was treated with hot water at 90 °C, the coating changed from smooth to grass-like hierarchical nanoflakelets, and the uneven distribution of silica nanospheres on grass further increased the porosity of the coating and formed a more complex double nano-scale structure. Finally, the coating was modified with PFDTES by the chemical vapor deposition method (CVD). The results showed that the highest transmittance of the coating reached 99.59% in the visible wavelength range of 400–800 nm, the contact angles of water, glycerin, ethylene glycol, and soybean oil were 175°, 150°, 140°, 120°, respectively, and the rolling angle of water is less than 3°. The coating has multiple functions of high transmittance, superhydrophobicity, and oleophobicity. In addition, the coating has significant resistance to chemical erosion, mechanical stress, and ultraviolet radiation , showing great potential for practical application.
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）