Results 21 to 30 of about 85,545 (170)

Use of a Cytobrush for Sampling the Ear Canal of Dogs With Otitis Externa

open access: yesVeterinary Dermatology, Volume 37, Issue 2, Page 227-235, April 2026.
Cytological examination of the ear canal is essential for evaluating dogs with otitis externa (OE). The conventional sampling method uses a swab. However, the cytobrush (gynaecological cervical brush), already used for cytological collection from other anatomical sites, has not been adequately investigated for this purpose in dogs with OE.
Nicoly Radaeli Atanasio   +3 more
wiley   +1 more source

Colorimetric and Photothermal Hollow Nanocomposite Based on Silver‐Seeded Prussian Blue Analog for Dopamine Monitoring and Photothermal Sterilization

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Multi‐element Prussian blue analog (PBA) nanocomposites have attracted wide attention for their superior characteristics to single‐functional nanomaterials in extensive applications of diagnosis and therapy. In this study, a novel hollow nanocomposite was designed and fabricated by embedding S2− and Ag nanoparticles into a NiCuMnFe (PBA).
Tao Ji   +7 more
wiley   +1 more source

Hybrid Probiotic Hydrogel With Curcumin‐Loaded MnO2 Nanoparticles Enhances Diabetic Wound Healing Through Multimodal Microenvironmental Regulation

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Skin wound injuries are often accompanied by bacterial infections and severe inflammation. Especially, M1‐type macrophages at the wound site can trigger a cascade of inflammatory responses, mediating a vicious cycle of inflammation. Meanwhile, hypoxia further exacerbates vascular damage and constriction in the wound microenvironment, thereby ...
Xianfeng Wang   +6 more
wiley   +1 more source

An Ultrasmall Strontium‐Loaded Polydopamine Nanoformulation for Near‐Infrared‐Enhanced Periodontitis Therapy via Photodynamic Gas‐Promoted Antibacterial and Bone Repair

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT Periodontitis is a chronic infectious oral disease triggered by periodontopathogenic bacteria, resulting in the progressive inflammation and destruction of the tissues surrounding teeth. To achieve reprogramming of the infectious microenvironment for periodontitis therapy, a nanoformulation was proposed by loading polydopamine (PDA) with ...
Hao Liang   +14 more
wiley   +1 more source

New Advances of Degradable Magnesium‐Based Metal Biomaterials in the Field of Orthopedics

open access: yesRare Metals, Volume 45, Issue 2, February 2026.
ABSTRACT Based on their outstanding biomechanical properties and superior osteogenic activity, magnesium (Mg) and its alloys have been extensively investigated for their biocompatibility and therapeutic efficacy in treating fractures and bone defects.
Jia‐Nan Yu   +8 more
wiley   +1 more source

芒萁侵入红壤退化裸地对土壤理化性质和细菌组成的影响

open access: yesShuitu Baochi Xuebao, 2023
芒萁是最早侵入红壤退化裸地的先锋植物,其侵入过程对土壤环境的改变在退化裸地生态恢复进程中具有重要意义。以福建省长汀县红壤侵蚀裸地为研究对象,分析测定退化裸地中芒萁侵入区和非侵入区土壤理化性质和细菌组成及多样性。结果表明:芒萁侵入裸地显著提高土壤最大持水量、土壤含水率、全碳、全氮、全钾、有机质和pH,并显著降低土壤容重;芒萁侵入区增加根瘤菌目和慢生根瘤菌属等14种土壤优势细菌,变形菌门和甲型(α)变形杆菌的相对丰度显著提高 ...
喻君保   +6 more
doaj  

NIR‐Responsive Nano‐Integrated Magnesium Phosphate Cement Promotes Bone Regeneration via Osteoblast‐Exosome‐Osteoclast Crosstalk

open access: yesRare Metals, Volume 45, Issue 2, February 2026.
ABSTRACT The limited osteogenic capacity of magnesium phosphate cement (MPC) has constrained its biomedical applications, underscoring the necessity to develop MPC with enhanced physical properties and bone‐forming capabilities. In this study, a multifunctional MPC system was developed by incorporating zoledronic acid‐loaded near‐infrared (NIR ...
Bin Wang   +8 more
wiley   +1 more source

几株光合细菌的气体代谢及对产甲烷细菌甲烷生成的影响

open access: yes, 1995
三株分别属于光合细菌三个主要类群(紫无硫细菌、紫硫细菌和绿硫细菌)的菌种和两种产甲烷细菌进行了混合培养试验,结果表明,自养生长的光合细菌减少了产甲烷菌的CH4生成;而异养生长时紫无硫细菌Rhodopseudomonaspalustris能利用乙酸放出CO2供产甲烷菌利用。在光照厌氧条件下,三株光合细菌的生长培养物和静止细胞都能利用有机酸产氢,有时还伴随有CO2产出。同时试验了不同pH值、温度和光照强度对光产氢的影响。在实验室条件下 ...
刘之慧, 范鏖,王西俜,刘之慧
core  

细菌间的交流方式——密度感应

open access: yesZhongguo shiyan zhenduanxue, 2011
多年来,细菌被认为是简单的有机体,相互间的联系只限于新陈代谢方面,即一个细菌利用另一细菌的代谢产物 ...
胡金树, 朱一堂, 赵建宏
doaj  

Cu‐Enhanced Medium‐Entropy TiZrCoCrMo Alloys: Balancing Superior Antibacterial and Osteogenic Properties for Orthopedic Implants

open access: yesRare Metals, Volume 45, Issue 2, February 2026.
ABSTRACT This study introduces novel nonequiatomic TiZrCoCrMoCux (x = 0, 5, 10; at%) medium‐entropy alloys (MEAx) tailored for orthopedic implants, synergistically combining the biocompatibility of Ti‐based alloys, the wear resistance of CoCrMo alloys, and the antibacterial/osteogenic attributes of Cu. The alloy's microstructure, mechanical properties,
Hang Yu   +9 more
wiley   +1 more source

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