CALYPSO structure prediction method

Wang, YanChao; Jian, Leo Chin

doi:10.1360/n972015-00575

Cited by 8 publications

(5 citation statements)

References 39 publications

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“…In comparison with HB and HD, HE / HF exhibited a wide range of absorption ranging from 450 nm to 800 nm, with a maximum absorption peak of HE / HF at 640 nm (Figure 1a). The molar absorption coefficient (ϵ) of HE / HF at 640 nm in DMSO reached 2.14×10 4 and 2.40×10 4 M −1 cm −1 , respectively, which were higher than those of HD (ϵ 650nm =1.62×10 4 M −1 cm −1 ) [47] and amino‐substituted hypocrellins (ϵ >600nm ∼10 4 M −1 cm −1 ) [35–37] . FL imaging in NIR−I has wide applications in minimal tissue scattering and autofluorescence [27,48] .…”

Section: Resultsmentioning

confidence: 87%

“…The synthesis of HE / HF was divided into two steps (Scheme 1). Firstly, HD was synthesized as reported before [46,47] . Then the methoxy group at the position 2 in the HD structure was replaced by cyclohexylamine /cyclopentylamine under mild condition.…”

Section: Resultsmentioning

confidence: 99%

“…HE and HF were synthesized in two reaction steps as outlined in Scheme 1; HD was prepared in accordance with previously reported methods [33,46–48] …”

Section: Methodsmentioning

confidence: 99%

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Near‐Infrared Hypocrellin Derivatives for Synergistic Photodynamic and Photothermal Therapy

Ding

Liu

et al. 2020

Chemistry An Asian Journal

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Hypocrellin B (HB) derived from naturally produced hypocrellins has attracted considerable attention in photodynamic therapy (PDT) because of its excellent photosensitive properties. However, the weak absorption within a "phototherapy window" (600-900 nm) and poor water solubility of HB have limited its clinical application. In this study, two HB derivatives (i. e., HE and HF) were designed and synthesized for the first time by introducing two different substituent groups into the HB structure. The obtained derivatives showed a broad absorption band covering the near-infrared (NIR) region, NIR emission (peaked at 805 nm), and singlet oxygen quantum yields of 0.27/0.31. HE-PEG-NPs were also prepared using 2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[methoxy(polyethyleneglycol)-2000] (DSPE-mPEG2000) to achieve excellent dispersion in water and further explored their practical applications. HE-PEG-NPs not only retained their 1 O 2-generating ability, but also exhibited a photothermal conversion efficiency of 25.9%. In vitro and in vivo therapeutic results revealed that the synergetic effect of HE-PEG-NPs on PDT and photothermal therapy (PTT) could achieve a good performance. Therefore, HE-PEG-NPs could be regarded as a promising phototheranostic agent.

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Section: Resultsmentioning

confidence: 87%

Section: Resultsmentioning

confidence: 99%

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Near‐Infrared Hypocrellin Derivatives for Synergistic Photodynamic and Photothermal Therapy

Ding

Liu

et al. 2020

Chemistry An Asian Journal

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“…On the one hand, COF materials have a large specific surface area. COF's, on the other hand, have a good, easily modified pore environment that helps capture target molecules 79 . Therefore, the use of COF's as a fiber material can improve the extraction efficiency of the tested material to a great extent, facilitating further determination.…”

Section: Applying Cof's To Different Types Of Detection Platformsmentioning

confidence: 99%

Covalent organic frameworks as advanced materials in the application of chemical detection

Liu

Wang

et al. 2022

Journal of Polymer Science

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With the development of industrialization, chemical detection plays a vital role in many fields. As a new type of porous material, covalent organic frameworks (COF's) possess the characteristics of huge specific surface area, low density, great stability, and adjustable pore size. These characteristics make it a great prospect for chemical detection. In the article, we mainly show how to design several analytic platforms to achieve precise target detection by utilizing the special properties of COF's, put forward the relevant mechanisms of successful detections, and analyze the related parameters of analyte detection performance. Finally, the current challenges of chemical detection based on COF's are presented, and we also prospect the future research directions.

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“…Pesticide residues in winter jujube should be paid attention to. Up to now, the studies on the analysis of pesticides in jujube samples are very few and the methods are time consuming and labor intensive .…”

Section: Introductionmentioning

confidence: 99%

Multiresidue analysis of 16 pesticides in jujube using gas chromatography and mass spectrometry with multiwalled carbon nanotubes as a sorbent

et al. 2014

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Although jujube is a minor crop and very few pesticides are registered on it, the application of pesticides during the growth stage of jujube is inevitable to control the pests or diseases. This situation has led to pesticide misuse. A modified quick, easy, cheap, effective, rugged, and safe method using a novel sorbent, multiwalled carbon nanotubes, as a dispersive solid-phase extraction sorbent combined with gas chromatography with mass spectrometry, was developed for the determination of 16 pesticides in jujube. Under the optimized conditions, recoveries of 76.7-112.4% were obtained for the target analytes at three spiked concentration levels. The relative standard deviations ranged from 1.2 to 12.3%. Limits of detection and limits of quantification for 16 pesticides ranged from 1 to 10 and 3 to 30 μg/kg, respectively. The residues of chlorpyrifos, hexaconazole, tebuconazole, and cyhalothrin were detected from samples obtained from the market.

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CALYPSO structure prediction method

Abstract: The design of new high energy density materials based on CALYPSO method

Cited by 8 publications

References 39 publications

Near‐Infrared Hypocrellin Derivatives for Synergistic Photodynamic and Photothermal Therapy

Near‐Infrared Hypocrellin Derivatives for Synergistic Photodynamic and Photothermal Therapy

Covalent organic frameworks as advanced materials in the application of chemical detection

Multiresidue analysis of 16 pesticides in jujube using gas chromatography and mass spectrometry with multiwalled carbon nanotubes as a sorbent

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