Results 101 to 110 of about 80,368 (300)

The NagY antiterminator in Enterococcus faecalis: a novel regulatory mechanism and its impact on cell metabolism

Microbiology Spectrum
The Enterococcus genus is the most controversial group of lactic acid bacteria. While some strains are used as probiotics, other species, including Enterococcus faecalis, are responsible for health-related pathologies.
Diane Soussan, Marine Salze, Blandine Harel, Victor Combret, Erwan Bourdonnais, Isabelle Rincé, Sabrina Gueulle, Dimitri Fayolle, Alain Rincé, Cécile Muller   +9 more
doaj   +1 more source

Packed for Ossification: High‐Density Bioprinting of hPDC Spheroids in HAMA Toward Endochondral Ossification

Advanced Healthcare Materials, EarlyView.
Human periosteum‐derived cell spheroids bioprinted at high density within a hyaluronic acid matrix promote fusion and hypertrophic cartilage formation in vitro. Early encapsulation enhances spheroid interaction and matrix maturation, generating scalable cartilage templates intended for endochondral bone regeneration.
Ane Albillos Sanchez, Maria Paula Marks, Paula Casademunt, Adrián Seijas‐Gamardo, Ioannis Papantoniou, Lorenzo Moroni, Carlos Mota   +6 more
wiley   +1 more source

Tracking Spatiotemporal Extracellular Matrix Evolution and Tissue Fusion in 3D Microtissues via Click Chemistry‐Based Metabolic Labelling

Advanced Healthcare Materials, EarlyView.
Metabolic labeling of nascent proteins in 3D microtissue spheroids provides a powerful analytical approach for large‐scale tissue engineering. Incorporation of non‐canonical amino acids with fluorescent tagging enables spatiotemporal investigation of extracellular matrix deposition and its evolution during multicellular tissue development and fusion ...
Theresa Koenig, F. Max Yavitt, Laura Veenendaal, Tim B. F. Woodfield   +3 more
wiley   +1 more source

Natural Biomaterials for Osteochondral Repair: From Source to Strategy

Advanced Healthcare Materials, EarlyView.
Biological origin‐guided overview of natural biomaterials and therapeutic strategies for osteochondral tissue engineering. The circular diagram categorizes representative materials and strategies into plant/algae‐derived, microbial‐derived, animal‐derived, and human‐derived sources, centered on an osteochondral defect repair model.
Hengyu Liu, Hanyang Zhang, Wenbo Yang, Hao Chen, Jincheng Wang, Fei Chang   +5 more
wiley   +1 more source

Endotoxin induces rat lung ribonuclease activity

, 1993
Lipopolysaccharide (endotoxin), a component of Gram-negative bacteria, causes marked alterations in eukaryotic gene expression and cellular physiology.
Donald Massaro, Clerch, Linda B., Linda B. Clerch, Massaro, Donald, Angélique Wright, Wright, Angélique   +5 more
core   +1 more source

Effect of concentration, temperature, and time on the stability of hepatitis C virus nucleic acid in serum

Microbiology Spectrum
To explore the influence of storage temperature and time on the stability of different concentrations of hepatitis C virus nucleic acid (HCV RNA) samples and to provide data reference for laboratory quality control.
Ya-pei Wang, Shu-wen Yang, Fan Jia, Wei Wang, Xue Xu, Yi-xuan Wang, Jing-feng Bi, Bo-an Li   +7 more
doaj   +1 more source

Viral Infection‐Inspired Autonomous Detection of Fusion‐Competent Viruses for Screening and Environmental Surveillance

Advanced Materials, EarlyView.
Inspired by viral entry mechanisms, the FUSION assay enables autonomous detection of respiratory viruses via membrane fusion–triggered CRISPR‐Cas13a activation. VEACON selectively fuses with fusion‐competent viruses, triggering fluorescence within confined vesicles.
Jae Chul Park, Yidam Song, Hyun‐Woo Choi, Jaeuk Sung, Harin Jin, WonSeok Gwak, Kirim Yoo, Soohwang Lee, Jongeon Park, Jeongmin Kim, Hye‐Jun Jo, Jahyun Koo, Youngdo Jeong, Kwan Hyi Lee, Seung‐Jung Kee, Hojun Kim   +15 more
wiley   +1 more source

Influence of IAA, kinetin and ABA on ribonuclease activity in the embryonal roots of two barley (Hordeum vulgare L.) cultivars

Acta Agrobotanica, 2013
IAA, kinetin and ABA in a concentration of 10-7M did not cause major changes in the activity of ribonuclease in both cultivars. IAA and kinetin in a concentration of 10-5M lowered the activity of the tested enzyme, more in the 'Union' than in the ...
Halina Skoczek
doaj   +1 more source

Intimate Interaction Between Nucleic Acid and Conjugated Polymers in Organic Electrochemical Transistors Enables Ultrasensitive Biomarker Detection

Advanced Materials, EarlyView.
The intimate interaction between negatively charged RNA molecules and conjugated polymers in organic electrochemical transistors (OECTs) in aqueous electrolytes is investigated. It demonstrates that RNA binding reduces the volumetric capacitance of the polymer channel, enabling the development of an ultrasensitive biosensing platform capable of ...
Hong Liu, Naixiang Wang, Anneng Yang, Jiajun Song, Li Li, Iain McCulloch, Helen Ka‐wai Law, Feng Yan   +7 more
wiley   +1 more source

Influence of gibberellic acid on hydrolytic enzymes activity in germinating different-aged lupin seeds

Acta Societatis Botanicorum Poloniae, 2015
The influence of GA3 -on the germination of different-aged lupin seed and α-amylase, protease and ribonuclease activity in the embryonic axis and cotyledons of these seeds were investigated after 24, 48, 72 and 96 h of germination. GA3 treatment of older
T. Mierzwińska
doaj   +1 more source