The high capacity of electrodes allows for a lower mass of electrodes, which is essential for increasing the energy density of the batteries. According to this, silicon is a promising anode candidate for Li-ion batteries due to its high theoretical capacity. However, its practical application is hampered by the significant volume expansion of silicon during battery operation, resulting in pulverization and contact loss. In this study, we developed a stable Li-ion anode that not only solves the problem of the short lifetime of silicon but also preserves the initial efficiency by using silicon nanoparticles covered with glassy ZIF-4 (SZ-4). SZ-4 suppresses silicon pulverization, contact loss, etc. because the glassy ZIF-4 wrapped around the silicon nanoparticles prevents additional SEI formation outside the silicon surface due to the electrically insulating characteristics of glassy ZIF-4. The SZ-4 realized by a simple heat treatment method showed 74% capacity retention after 100 cycles and a high initial efficiency of 78.7%.

Frontiers in Microbiology

Bacillus vallismortis acts against ginseng root rot by modifying the composition and microecological functions of ginseng root endophytes

Article

Author: Yang, Li-Min ; Han, Zhong-Ming ; Han, Mei ; Lv, Ze-Liang ; Yang, Yi-Xin ; Yang, Liu-Yang ; Wang, Wan ; Sun, Zhuo ; Hu, Yang ; Lei, Meng-Yuan ; Cheng, Lin

IntroductionThe endophytic microbiome serves a crucial function as a secondary line of defense against pathogen invasion in plants. This study aimed to clarify the mechanism of action of the ginseng plant growth-promoting rhizobacteria (PGPR) Bacillus vallismortis SZ-4 synergizing with endophytic microorganisms in the prevention and control of root rot.MethodsGinseng root samples from a susceptible group (CK) with a disease level of 0–2 and a biocontrol group (BIO) treated with strain SZ-4 were collected. We employed high-throughput sequencing to examine the microbial community structure of ginseng roots at different disease levels, explore beneficial endophytic bacteria, and evaluate the efficacy of strain SZ-4 in mitigating root rot through synergistic interactions with ginseng endophytic flora.ResultsThe application of the PGPR B. vallismortis SZ-4 biocontrol fungicide has been found to help ginseng resist Fusarium solani by modulating the richness and structure of endophytic microbial populations. The endophytic bacteria HY-43 and HY-46 isolated from ginseng roots treated with B. vallismortis SZ-4 were identified as Bacillus velezensis based on morphological, physiological, and biochemical characteristics, as well as 16S rDNA and gyrB sequencing analyses. The endophytic bacteria HY-43 and HY-46 were combined with strain SZ-4 to generate the bacterial consortia CS4-43 and CS4-46, respectively. Both CS4-43 and CS4-46 significantly enhanced the inhibitory effects of the single strain SZ-4, as well as HY-43 and HY-46, against ginseng root rot, while also promoting plant growth.DiscussionThese findings offers a theoretical foundation for studying the microecological prevention and control of ginseng diseases as well as new insights for conducting research on the efficient and precise management of plant diseases.

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Indication	Highest Phase	Country/Location	Organization	Date
Diabetes Mellitus	Preclinical	-	Sarfez Pharmaceuticals, Inc.	-
Heart Failure	Preclinical	-	Sarfez Pharmaceuticals, Inc.	-

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