One-pot synthesis and characterization of a BSA-Cu2S/CuS quantum dots drug delivery system based on biuret’s reaction by Porfirio Estrada-Rojas, Juan Francisco Hernández-Paz, Claudia Alejandra Rodríguez-González, Mónica Elvira Mendoza-Duarte, Santos Adriana Martel-Estrada, Laura Elizabeth Valencia-Gómez, Héctor Camacho-Montes, Imelda Olivas-Armendáriz

“…Additional tests, including fluorescence and UV–vis spectroscopy, validated the optical properties of the quantum dots. Transmission electron microscopy (TEM) confirmed crystalline structure of the CuS and Cu _2 S quantum dots, with particle size measurements aligning with expectations. …”
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Four cardiomyopathy patients with a heterozygous DSG2 p.Arg119Ter variant by Takuya Sumida, Shou Ogawa, Shuichiro Higo, Yuki Kuramoto, Ryo Eto, Yoshihiko Ikeda, Congcong Sun, Junjun Li, Li Liu, Tomoka Tabata, Yoshihiro Asano, Mikio Shiba, Yasuhiro Akazawa, Daisuke Nakamura, Takafumi Oka, Tomohito Ohtani, Yasushi Sakata

“…Immunohistochemical analysis of endomyocardial biopsy samples revealed that the expression of not only desmoglein-2 but also desmoplakin was markedly reduced. Transmission electron microscopy revealed pale and fragmented desmosomes and widened gaps between intercalated discs in the myocardium. …”
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Overexpression of Parkin promotes the protective effect of mitochondrial autophagy on the lung of rats with exertional heatstroke by Ran Meng, Zhengzhong Sun, Ruxue Chi, Yan Gu, Yuxiang Zhang, Jiaxing Wang

“…The morphology of mitochondria in type Ⅱ epithelial cells of lung tissue was observed using transmission electron microscopy; and the apoptosis of lung tissue, the level of mitophagy, and the co-localization of Pink1 and Parkin were determined using immunofluorescence. …”
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Inactivation of antibiotic resistant bacteria by nitrogen-doped carbon quantum dots through spontaneous generation of intracellular and extracellular reactive oxygen species by Weibo Xia, Zixia Wu, Bingying Hou, Zhang Cheng, Dechuang Bi, Luya Chen, Wei Chen, Heyang Yuan, Leo H. Koole, Lei Qi

“…This antimicrobial mechanism was supported by scanning and transmission electron microscopy, significant regulation of genes related to oxidative stress, and increased protein and lactate dehydrogenase leakage. …”
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CYP3A5 promotes glioblastoma stemness and chemoresistance through fine-tuning NAD+/NADH ratio by Wentao Hu, Xiaoteng Cui, Hongyu Liu, Ze Li, Xu Chen, Qixue Wang, Guolu Zhang, Er Wen, Jinxin Lan, Junyi Chen, Jialin Liu, Chunsheng Kang, Ling Chen

“…Mechanistic studies were conducted using nontargeted metabolomics, RNA-seq, seahorse, transmission electron microscopy, immunofluorescence, flow cytometry, ChIP‒qPCR, RT‒qPCR, western blotting, etc. …”
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Size-controllable synthesis of hydroxyapatite nanorods via fluorine modulation: applications in dental adhesives for enhanced enamel remineralization by Linzhi Meng, Mengmeng Shu, Peng Mei, Yakun Liang, Lunguo Xia

“…The characterization analyses of FHA nanorods were demonstrated by X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and transmission electron microscopy (TEM). The composite adhesives containing 10 wt% different FHA nanorods were characterized via scanning electron microscopy (SEM). …”
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Liposome-like encapsulation of fish oil-based self-nano emulsifying formulation for improved bioavailability by Iqbal Ahmad, Aparana Dogra, Tanya Nagpal, Chandvi Sharma, Sudhakar Singh, Nikhil Shaiva, Gaurav Saini, Kanishk Luhach

“…The optimized formulation exhibited significantly smaller particle sizes (100–300 nm), low PDI (0.149–0.303), and a stable zeta potential(-32.5 to -27.9 mV), potentially contributing to improved absorption and stability. Transmission electron microscopy confirmed the dual nature of the formulation, displaying characteristics of both nanoemulsion and liposomal structures. …”
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Modeling extracellular matrix through histo-molecular gradient in NSCLC for clinical decisions by Camila Machado Baldavira, Tabatha Gutierrez Prieto, Juliana Machado-Rugolo, Juliana Machado-Rugolo, Jurandir Tomaz de Miranda, Lizandre Keren Ramos da Silveira, Ana Paula Pereira Velosa, Walcy Rosolia Teodoro, Alexandre Ab’Saber, Teresa Takagaki, Vera Luiza Capelozzi

“…For that, we used 120 tissue sections from patients and evaluated the immunohistochemical, immunofluorescence, and transmission electron microscopy (TEM) to each of these markers. …”
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Bone marrow mesenchymal stem cell-derived extracellular vesicles alleviate diabetes-exacerbated atherosclerosis via AMPK/mTOR pathway-mediated autophagy-related macrophage polariza... by Libo Liu, Ziyu An, Huan Zhang, Xueqi Wan, Xin Zhao, Xueyao Yang, Jinfan Tian, Xiantao Song

“…Methods EVs were isolated from the supernatant of cultured BMSCs and characterized with transmission electron microscopy (TEM), nanoparticle tracking analysis (NTA), and western blotting. …”
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Clusterin induced by OPC phagocytosis blocks IL-9 secretion to inhibit myelination in a model of Alzheimer's disease by Rebecca M. Beiter, Tula P. Raghavan, Olivia Suchocki, Hannah E. Ennerfelt, Courtney R. Rivet-Noor, Andrea R. Merchak, Jennifer L. Phillips, Tim Bathe, John R. Lukens, Stefan Prokop, Jeffrey L. Dupree, Alban Gaultier

“…Methods: We employed a combination of immunofluorescence and transmission electron microscopy techniques, primary culture of OPCs, and an animal model of Alzheimer's disease. …”
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Study on the Regulated Cell Death of Hypertrophic H9c2 Cells Induced by Au:Ag Nanoparticles by Galindo-Padrón AG, Lorenzo-Anota HY, Rueda-Munguía M, García-Carrasco A, Gaitán López M, Vázquez-Garza E, Campos-González E, Lozano O, Cholula-Díaz JL

“…Their physicochemical properties were characterized through UV-vis spectroscopy, X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, dynamic light scattering (DLS), ζ-potential measurements, and transmission electron microscopy (TEM). Moreover, the effect of the metal-based nanoparticle exposure on healthy and hypertrophic H9c2 cells was measured by analyzing the cellular vitality, the loss of mitochondrial membrane potential (∆Ψm), and the production of mitochondrial reactive oxygen species (mROS).Results: The Au:Ag NPs did not affect the cell vitality of healthy or metabolically activated macrophages. …”
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Ultrastructural Changes in Clinical and Microbiota Isolates of Klebsiella pneumoniae Carriers of Genes blaSHV, blaTEM, blaCTX-M, or blaKPC When Subject to β-Lactam Antibiotics by Dyana Leal Veras, Ana Catarina de Souza Lopes, Grasielle Vaz da Silva, Gabriel Gazzoni Araújo Gonçalves, Catarina Fernandes de Freitas, Fernanda Cristina Gomes de Lima, Maria Amélia Vieira Maciel, Ana Paula Sampaio Feitosa, Luiz Carlos Alves, Fábio André Brayner

“…In accordance with the susceptibility profile, the clinical isolates were subjected to subminimum inhibitory concentrations (sub-MICs) of cefotaxime, ceftazidime, aztreonam, and imipenem and the isolates from the microbiota to ampicillin and amoxicillin, for analysis by means of scanning and transmission electron microscopy. The K. pneumoniae isolates showed different morphological and ultrastructural changes after subjection to β-lactams tested at different concentrations, such as cell filamentation, loss of cytoplasmic material, and deformation of dividing septa. …”
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Pink1/Parkin signaling mediates pineal mitochondrial autophagy dysfunction and its biological role in a comorbid rat model of depression and insomnia by Zirong Li, Yi Shu, Deguo Liu, Sheng Xie, Liangbo Xian, Jiaqi Luo, Xiuwen Huang, Haixing Jiang

“…Sleep deprivation further disrupted the levels of autophagy damage factors, including histamine (MDA), glutathione (GSH), and catalase (CAT), in the cerebrospinal fluid of CUMS+ SD rats. Transmission electron microscopy of the pineal gland in CUMS+SD rats revealed damage to mitochondrial autophagy. …”
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CPT1 deficiency blocks autophagic flux to promote lipid accumulation induced by co-exposure to polystyrene microplastic and cadmium by Zhixuan Chen, Huayi Qu, Jian Sun, Tao Wang, Yan Yuan, Yan Yuan, Yan Yuan, Jianhong Gu, Jianhong Gu, Jianhong Gu, Jianchun Bian, Jianchun Bian, Jianchun Bian, Zongping Liu, Zongping Liu, Zongping Liu, Hui Zou, Hui Zou, Hui Zou

“…As observed by transmission electron microscopy (TEM), the number of autophagosomes was significantly increased in the PS-MPs and Cd co-treated group. …”
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Klebsiella pneumoniae-derived extracellular vesicles impair endothelial function by inhibiting SIRT1 by Xinxin Li, Jinghua Cui, Zanbo Ding, Ziyan Tian, Yiming Kong, Linghai Li, Yang Liu, Wen Zhao, Xueying Chen, Han Guo, Zhengshuo Cui, Xinwei Li, Jing Yuan, Huina Zhang

“…Methods K.pn EVs were purified from the bacterial suspension using ultracentrifugation and characterized by transmission electron microscopy nanoparticle tracking analysis, and EV marker expression. …”
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Wu-Mei-Wan enhances brown adipose tissue function and white adipose browning in obese mice via upregulation of HSF1 by Shen Chen, Kexin Nie, Hongzhan Wang, Yang Gao, Xinyue Jiang, Hao Su, Zhi Wang, Yueheng Tang, Fuer Lu, Hui Dong, Jingbin Li

“…Brown adipose tissue (BAT) activity was evaluated using Positron Emission Tomography, and ultrastructural changes were examined via transmission electron microscopy. Proteomic analysis identified targets of WMW in obesity treatment. …”
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Huoxiang Zhengqi dropping pills alleviate exertional heat stroke–induced multiple organ injury through sustaining intestinal homeostasis via regulating MAPK/NF-κB pathway and gut m... by Lei Li, Lei Li, Lei Li, Jun Ma, Jun Ma, Zeshi Li, Zeshi Li, Juelin Chen, Jiawei Zhou, Yawei Wang, Yankun Pei, Yitong Gong, Jianyao You, Yangyang Cao, Man Wang, Jikuai Chen, Wenjun Chang, Weiyi Ma, Hanyu Zhu, Chuhan Xiang, Shuogui Xu, Qing Song, Qing Song

“…This study showed that HXZQD alleviated EHS-induced intestinal damage by preserving barrier proteins (ZO-1, Occludin, and Ecadherin) and maintaining intestinal barrier integrity. Transmission electron microscopy confirmed the preservation of tight junction structures. …”
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Therapeutic effect of dihydroartemisinin on Alzheimer’s disease model mice with senile macular degeneration by Gao Han, Gong Xuewu, Zhang Meng, Wang Yuejing, Wang Yuchun, Zhang Keshuang, Yao Hongbo

“…DHA and donepezil could improve the damage of cerebral cortex structure and reduce the deposition of extracellular amyloid β-protein in AD mice. Transmission electron microscopy showed that DHA and donepezil could reduce mitochondrial vacuolation and synaptic edema. …”
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Acaricidal and insecticidal activities of entomopathogenic nematodes combined with rosemary essential oil and bacterium-synthesized silver nanoparticles against camel tick, Hyalomm... by Bander Albogami, Hadeer Darwish, Akram Alghamdi, Ahmed BahaaEldin Darwish, Wafa Mohammed Al-Otaibi, Mohamed A. Osman, Zamzam M. Al Dhafar, Abeer Mousa Alkhaibari, Abadi M. Mashlawi, Fadi Baakdah, Ahmed Noureldeen

“…Visual observation showed a color change from yellow to dark brown for AgNPs biosynthesized from P. mirabilis; the transmission electron microscopy (TEM) image and ultraviolet–visible (UV-Vis) spectrum showed well-dispersed particles with a diameter of 5–45 nm; and the greatest surface plasmon peaked at 320 nm. …”
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Integrated removal of chromium, lead, and cadmium using nano-zero-valent iron-supported biochar: Mechanistic insights and eco-toxicity assessment by Yuzhen Wei, Jialu Yu, Fasih Ullah Haider, Qinhu Zhang, Run Chu, Cai Liqun

“…An in-depth characterization of the underlying adsorption mechanism was performed by using kinetic and isotherms models such as Pseudo-first-order, Pseudo-second-order, Langmuir and Freundlich, X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM) analysis. Each HM exhibited a distinct adsorption mechanism. …”
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