Laser-induced crystallization through optical trapping offers precise and spatiotemporal control of crystallization kinetics at the microscale region. Here, we demonstrate the optical trapping-induced crystallization of various amino acids, including glycine, l-cysteine, and l-alanine, by focusing a 532 nm continuous-wave laser in amino acid/HO solution. The coordinated effect of optical forces and heat-driven molecular delivery improves the local molecular concentration, leading to nucleation and subsequent crystal growth.
View Article and Find Full Text PDF3D printing of inorganic materials with nanoscale resolution offers a different materials processing pathway to explore devices with emergent functionalities. However, existing technologies typically involve photocurable resins that reduce material purity and degrade properties. We develop a general strategy for laser direct printing of inorganic nanomaterials, as exemplified by more than 10 semiconductors, metal oxides, metals, and their mixtures.
View Article and Find Full Text PDFThree-dimensional (3D) laser nanoprinting allows maskless manufacturing of diverse nanostructures with nanoscale resolution. However, 3D manufacturing of inorganic nanostructures typically requires nanomaterial-polymer composites and is limited by a photopolymerization mechanism, resulting in a reduction of material purity and degradation of intrinsic properties. We developed a polymerization-independent, laser direct writing technique called photoexcitation-induced chemical bonding.
View Article and Find Full Text PDFObjective: Follistatin (FST) inhibits the action of activin by interfering with the binding of activin to its receptor. Although the prognostic value of FST in various cancers has been investigated previously, studies rarely focused on hypopharyngeal carcinoma (HPC). In our study, the effect of FST expression on HPC tissues and cell lines was investigated.
View Article and Find Full Text PDFVet Immunol Immunopathol
June 2021
Disease outbreaks heavily impact the economic viability of animal industries. Little is known about the mechanisms of immune system-related diseases in geese. Toll-like receptors (TLRs) play a major role in the anti-inflammatory immunity process in most animal species, but they have not been studied in the Magang goose.
View Article and Find Full Text PDFInduction of the innate immune pathways is critical for early anti-viral defense. How geese recognize viral molecules and activate these pathways is not well understood. In mammals, Toll-like receptor 3 (TLR3) recognizes double-stranded RNA.
View Article and Find Full Text PDFTime shift among samples remains a significant challenge in data analysis, such as quality control of natural plant extracts and metabolic profiling analysis, because this phenomenon may lead to invalid conclusions. In this work, we propose a new time shift alignment method, namely, automatic time-shift alignment (ATSA), for complicated chromatographic data analysis. This technique comprised the following alignment stages: (1) automatic baseline correction and peak detection stage for providing useful chromatographic information; (2) preliminary alignment stage through adaptive segment partition to correct alignment for the entire chromatogram; and (3) precise alignment stage based on test chromatographic peak information to accurately align time shift.
View Article and Find Full Text PDF. Hypoxia regulates the survival of mesenchymal stem cells (MSCs) but the mechanism is unclear. In hypoxia, the level of high mobility group box 1 (HMGB1) was increased in many cells which may be involved in the regulation of cell biology.
View Article and Find Full Text PDFMutations in the gene of connexin 26 (Cx26) are the most common cause of human non‑syndromic hereditary deafness. The pathogenesis of deafness caused by Cx26 remains uncertain. To explore the basic mechanism underlying Cx26 null mutations, ultrastructural changes and a number of marker proteins in the cochlear sensory epithelium of Cx26 conditional knockout mice were observed in the current study.
View Article and Find Full Text PDFSichuan Da Xue Xue Bao Yi Xue Ban
September 2012
Objective: To determine the association of procalcitonin (PCT) with trauma severity and post traumatic sepsis in children.
Methods: The blood samples of 30 children with acute trauma in a Pediatric unit were collected for four consecutive days. The levels of PCT, IL-6, CRP and WBC were measured.
Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
June 2012
Objective: To present the efficacy of minimally invasive technology of coblation in the treatment of infant epiglottic cyst.
Methods: The clinical data of 30 infants with epiglottic cyst treated between January 2008 and January 2011 were reviewed retrospectively. All infants with epiglottic cyst were treated with the ArthroCare ENT Coblator II Surgery System after being checked completely.
Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
April 2012
Objective: To explore which index is more suitable to show the degree of sleep fragment in children with sleep-disordered breathing (SDB).
Methods: Between October 2009 and August 2011, Forty-five children (4 - 8 years) who were diagnosed as obstructive sleep apnea hypopnea syndrome (OSAHS) were enrolled in OSAHS group[obstructive apnea index (OAI) > 1 times/h or apnea hypopnea index (AHI) > 5 times/h, lowest oxygen saturation (LSaO2) < 0.92] and 54 children were enrolled in SDB group (1 ≤ AHI ≤ 5 times/h and OAI ≤ 1 times/h), 18 children with chorditis nodules made up control group (AHI < 1 times/h and LSaO2 ≥ 0.
Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
April 2011
Objective: To investigate the activity of bilateral posterior cricoarytenoid muscle satellite cell after denervation or reinnervation with ansa cervicalis.
Methods: Twenty four dogs were randomly divided into 3 groups. The bilateral laryngeal recurrent nerves were cut in group one in all dogs.
Guang Pu Xue Yu Guang Pu Fen Xi
February 2004