A sodium alginate-based injectable hydrogel system for locoregional treatment of colorectal cancer by eliciting pyroptosis and apoptosis.

Effective delivery of sufficient doxorubicin (DOX) molecules in tumors is hindered by the complex biological barriers. Herein, a DOX-loaded sodium alginate-based injectable hydrogel (DOX@MHB-conj-SA) was designed by the Michael addition reactions between the sulfydryl in cross-linkers and the double bonds in a derivative of sodium alginate. DOX@MHB-conj-SA was administrated to CT26 tumor-bearing mice via peritumoral injection for locoregional treatment of colorectal cancer by inducing apoptosis and pyroptosis.

Chitosan-based thermosensitive injectable hydrogel with hemostatic and antibacterial activity for preventing breast cancer postoperative recurrence and metastasis via chemo-photothermal therapy.

Primary resection surgery is a conventional approach in breast cancer treatment, which plays a pivotal role in the prevention of recurrence and metastasis. In this study, an injectable hydrogel comprising chitosan (CS), β-glycerophosphate (β-GP), and dopamine (DA) with near-infrared (NIR) photothermal attributes was developed. The composite hydrogels integrate doxorubicin (DOX), termed DCGD, and can be used for chemotherapy, synergistic photothermal therapy, anti-bacterial and hemostasis.

Oral Curcumin through Mesoporous Silica Nanomaterials with Distinct Morphologies: Synthesis, Characterization, Biosafety Evaluation, and Antioxidant Activity .

Antioxidant play a crucial role in the prevention and treatment of diseases associated with oxidative stress. Curcumin (CUR), as a natural antioxidant, exhibits numerous therapeutic properties, including antioxidant, anti-inflammatory, antibacterial, and antitumor activities. However, its limited bioavailability and poor water solubility hinder its application as an effective antioxidant.

Injectable doxorubicin-loaded hyaluronic acid-based hydrogel for locoregional therapy and inhibiting metastasis of breast cancer.

Therapy and metastasis pose significant challenges for breast cancer therapy. Locoregional chemotherapy presents a promising strategy to address these dilemmas. In this study, a doxorubicin-loaded injectable hydrogel based on hyaluronic acid (DOX-MCHA) was fabricated for locoregional chemotherapy and inhibiting the metastasis of breast cancer.

Triggering Pyroptosis by Doxorubicin-Loaded Multifunctional Nanoparticles in Combination with Decitabine for Breast Cancer Chemoimmunotherapy.

Pyroptosis, a form of programmed cell death, holds great promise for breast cancer treatment. However, the downregulation of gasdermin E (GSDME) limits the effectiveness of pyroptosis. To address this challenge, we developed a folic acid-modified and glutathione/reactive oxygen species dual-responsive nanocarrier (FPSD NPs) for the targeted delivery of doxorubicin (DOX).

Alkaline absorbents for SO and SO removal: A comprehensive review.

Injection of an alkaline absorbent into the flue gas can significantly reduce SO and SO emissions. The article presents alkaline absorbents employed in industrial processes to remove SO and SO from flue gases, detailing their characteristics and applications across various process conditions. It summarizes the mechanisms and influencing factors behind SO and SO removal, outlines the impact of multi-component gases, particularly SO, on SO removal in actual flue gases, and elucidates this competitive phenomenon from a theoretical standpoint.

Abnormalities of white matter network properties in middle-aged and elderly patients with functional constipation.

Purpose: To explore white matter network topological properties changes in middle-aged and elderly patients with functional constipation (Functional Constipation, FC) by diffusion tensor imaging (DTI), and to evaluate the correlation between the abnormal changes and clinical data.

Methods: 29 FC patients and 31 age- and sex-matched healthy controls (HC) were recruited. Magnetic resonance imaging and clinical data were collected.

Development of High-Performance Iron-Based Phosphate Cathodes toward Practical Na-Ion Batteries.

Iron-based phosphate cathode of NaFe(PO)(PO) has been regarded as a low-cost and structurally stable cathode material for Na-ion batteries (NIBs). However, their practical application is greatly hindered by the insufficient electrochemical performance and limited energy density. Here, we report a new iron-based phosphate cathode of NaFe(PO)(PO) with the intergrown heterostructure of the maricite-type NaFePO and orthorhombic NaFe(PO)(PO) phases at a mole ratio of 0.

Clinical development of MRI-based multi-sequence multi-regional radiomics model to predict lymph node metastasis in rectal cancer.

Objective: We aim to construct a magnetic resonance imaging (MRI)-based multi-sequence multi-regional radiomics model that will improve the preoperative prediction ability of lymph node metastasis (LNM) in T3 rectal cancer.

Methods: Multi-sequence MRI data from 190 patients with T3 rectal cancer were retrospectively analyzed, with 94 patients in the LNM group and 96 patients in the non-LNM group. The clinical factors, subjective imaging features, and the radiomic features of tumor and peritumoral mesorectum region of patients were extracted from T2WI and ADC images.

Reforestation of changes the relative abundances of important prokaryotic families in soil.

Over the past decades, many forests have been converted to monoculture plantations, which might affect the soil microbial communities that are responsible for governing the soil biogeochemical processes. Understanding how reforestation efforts alter soil prokaryotic microbial communities will therefore inform forest management. In this study, the prokaryotic communities were comparatively investigated in a secondary Chinese fir forest (original) and a reforested Chinese fir plantation (reforested from a secondary Chinese fir forest) in Southern China.

Phase Change Study of a New Two-Phase Absorbent Based on DAP.

In order to overcome the drawbacks of conventional absorbents, which exhibit slow absorption rates and low absorption loads, this study suggests enhancing the absorbent system for CO absorption by incorporating a nonaqueous solvent into 1,3-propanediamine (DAP) and tetramethylethylenediamine (TMEDA), resulting in a two-phase system. The mechanism of solvent absorption of CO was investigated using nuclear magnetic resonance (NMR) carbon spectroscopy. By comparing the absorption load, fraction ratio, and viscosity of different absorbents after absorbing carbon dioxide, the two-phase absorbents with good performance were selected.

Development of injectable in situ hydrogels based on hyaluronic acid via Diels-Alder reaction for their antitumor activities studies.

The objective of this study was to develop an injectable hydrogel based on furfuryl amine-conjugated hyaluronic acid (FA-conj-HA) and evaluate the in vivo anti-4 T1 tumor activity of doxorubicin-loaded hydrogel (DOX@FA-conj-HA). The cargo-free hydrogel (FA-conj-HA) was fabricated through a Diels-Alder reaction at 37 °C with FA-conj-HA as a gel material and four armed poly(ethylene glycol)2000-maleimide (4-arm-PEG2000-Mal) as a cross-linker. The bio-safety of FA-conj-HA were assessed, and the in vivo antitumor activity of DOX@FA-conj-HA was also investigated.

Structure-Property Relationships for the Electronic Applications of Bis-Adduct Isomers of Phenyl-C Butyric Acid Methyl Ester.

Higher adducts of a fullerene, such as the bis-adduct of PCBM (bis-PCBM), can be used to achieve shallower molecular orbital energy levels than, for example, PCBM or C Substituting the bis-adduct for the parent fullerene is useful to increase the open-circuit voltage of organic solar cells or achieve better energy alignment as electron transport layers in, for example, perovskite solar cells. However, bis-PCBM is usually synthesized as a mixture of structural isomers, which can lead to both energetic and morphological disorder, negatively affecting device performance. Here, we present a comprehensive study on the molecular properties of 19 pure bis-isomers of PCBM using a variety of characterization methods, including ultraviolet photoelectron spectroscopy, thermal gravimetric analysis, differential scanning calorimetry, single crystal structure, and (time-dependent) density functional theory calculation.

A novel self-assembled nanoplatform based on retrofitting poloxamer 188 for triple-negative breast cancer targeting treatment.

Poloxamer 188 is a widely used pharmaceutical excipient, which can be found in a variety of drug formulations. In this study, a novel self-assembled nanoplatform was developed for active targeting of folate receptor-overexpressing triple-negative breast cancer. This platform, FPP NPs, was prepared by the retrofitted poloxamer 188 derivatives, resulting in nanoparticles with an appropriate size (< 100 nm), good stability, and satisfactory biocompatibility.

Synthesis of the pH-sensitive nanoparticles based on the acylhydrazone bonds conjugated doxorubicin and studies on their in vivo anti-tumor effects.

The purpose of this study was to synthesize DHPD polymers through the conjugation of doxorubicin (DOX) molecules onto poly(ethylene glycol) (PEG) chains via acylhydrazone bonds, and to fabricate pH-responsive DHPD nanoparticles (NPs) for investigation of their biosecurity and in vivo anti-tumor activity. The morphology, size distribution, stability, pH-responsiveness, biosecurity, and in vivo anti-tumor effects of the DHPD NPs were evaluated. Characterization of the DHPD polymers using H NMR, FTIR, and Raman spectra confirmed their successful synthesis.

Responsive photonic hydrogel for colorimetric detection of formaldehyde.

Formaldehyde (FA) can damage DNA, cause liver and kidney dysfunction, and ultimately lead to malignant tumors. Therefore, it is essential to develop a method that can conveniently detect FA with high detection sensitivity. Here, a responsive photonic hydrogel was prepared by embedding three-dimensional photonic crystal (PC) into amino-functionalized hydrogel to construct a colorimetric sensing film for FA.

Application of Bis-Adducts of Phenyl-C Butyric Acid Methyl Ester in Promoting the Open-Circuit Voltage of Indoor Organic Photovoltaics.

Fullerene-based indoor OPVs, particularly phenyl-C butyric acid methyl ester (PCBM), has been regarded as a prospective harvesting indoor light energy source to drive low-power consumption electronic devices such as sensors and IoTs. Due to the low tunability of its inherently spherical structure, the performance of the fullerene-based indoor OPVs seem to hit a bottleneck compared with the non-fullerene materials. Here, we explore the potential application of fullerene derivative bis-PCBM in indoor OPVs, which owns a higher the lowest unoccupied molecular orbital (LUMO) level than PCBM.

Conversion of Surface Residual Alkali to Solid Electrolyte to Enable Na-Ion Full Cells with Robust Interfaces.

The deposition of volatilized Na on the surface of the cathode during sintering results in the formation of surface residual alkali (NaOH/Na CO NaHCO ) in layered cathode materials, leading to serious interfacial reactions and performance degradation. This phenomenon is particularly evident in O3-NaNi Cu Mn Ti O (NCMT). In this study, a strategy is proposed to transform waste into treasure by converting residual alkali into a solid electrolyte.

Enriched environment can reverse chronic sleep deprivation-induced damage to cellular plasticity in the dentate gyrus of the hippocampus.

Objective: We studied whether enriched environment (EE), a classic epigenetics paradigm, can prevent cellular plasticity damage caused by chronic sleep deprivation (SD).

Methods: We performed SD in mice by a modified multi-platform method (MMPM). Mice in the SD group were deprived of sleep for 18 h a day.

A "turn-on" inverse opal photonic crystal fluorescent sensing film for detection of cysteine and its bioimaging of living cells.

A "turn-on" inverse opal photonic crystal fluorescent sensing film infiltrated with a coumarin derivative is reported for the reliable and accurate detection of cysteine in human serum and fluorescence imaging of living cells. The coumarin derivative containing allyl ester specifically reacts with cysteine by ammonolysis to generate a fluorescent product whose emission wavelength is at ~ 535 nm, providing a selective fluorescence detection for cysteine. The emitted fluorescence is significantly enhanced due to the slow photon effect derived from the photonic crystal film.

Targeted delivery of doxorubicin into tumor cells to decrease the in vivo toxicity of glutathione-sensitive prodrug-poloxamer188-b-polycaprolactone nanoparticles and improve their anti-tumor activities.

Doxorubicin (DOX) is widely used in the treatment of many tumors, but the dose-dependent toxicity limits its further application. In this study, a unique strategy was developed to improve the anti-tumor effects of free DOX and lower its in vivo toxicity by constructing novel glutathione (GSH)-sensitive poloxamer188-b-polycaprolactone-S-S-doxorubicin nanoparticles (PPSSD NPs). After uptake by tumor cells, the disulfide bonds in the PPSSD NPs would be cloven by reacting with GSH.

Drought-responsive WRKY transcription factor genes and from enhance drought resistance in transgenic .

Drought greatly affects the growth and development of garden plants and affects their ornamental value. WRKY transcription factors make up one of the largest transcription factor families in plants and they play an important role in the plant response to drought stress. However, the function of the WRKY gene in response to drought stress in , which is commonly used in landscaping, has not been studied.