Pretreatment Serum Amyloid A and C-reactive Protein Comparing with Epstein-Barr Virus DNA as Prognostic Indicators in Patients with Nasopharyngeal Carcinoma: A Prospective Study

Qiu-Yan Chen,Qing-Nan Tang,Lin-Quan Tang,Wen-Hui Chen,Shan-Shan Guo,Li-Ting Liu,Chao-Feng Li,Yang Li,Yu-Jing Liang,Xue-Song Sun,Ling Guo,Hao-Yuan Mo,Rui Sun,Dong-Hua Luo,Yu-Ying Fan,Yan He,Ming-Yuan C 대한암학회 2018 Cancer Research and Treatment Vol.50 No.3

Purpose The measuring Epstein-Barr virus (EBV) DNA is an important predictor of nasopharyngeal carcinoma (NPC). This study evaluated the predictive value of pretreatment serum amyloid A (SAA) and C-reactive protein (CRP) comparing with EBV DNA in patients with NPC. Materials and Methods In an observational study of 419 non-metastatic NPC patients, we prospectively evaluated the prognostic effects of pretreatment SAA, CRP, and EBV DNA on survival. The primary endpoint was progress-free survival (PFS). Results The median level of SAA and CRP was 4.28 mg/L and 1.88 mg/L, respectively. For the high- SAA group (> 4.28 mg/L) versus the low-SAA ( 4.28 mg/L) group and the high-CRP group (> 1.88 mg/L) versus the low-CRP ( 1.88 mg/L) group, the 5-year PFS was 64.5% versus 73.1% (p=0.013) and 65.2% versus 73.3% (p=0.064), respectively. EBV DNA detection showed a superior predictive result, the 5-year PFS in the EBV DNA  1,500 copies/mL group was obviously different than the EBV DNA < 1,500 copies/mL group (62.2% versus 77.8%, p < 0.001). Multifactorial Cox regression analysis confirmed that in the PFS, the independent prognostic factors were including EBV DNA (hazard ratio [HR], 1.788; p=0.009), tumour stage (HR, 1.903; p=0.021), and node stage (HR, 1.498; p=0.049), but the SAA and CRP were not included in the independent prognostic factors. Conclusion The results of SAA and CRP had a certain relationship with the prognosis of NPC, and the prognosis of patients with high level of SAA and CRP were poor. However, the predictive ability of SAA and CRP was lower than that of EBV DNA.

Prevalence, Risk Factors, and Psychological Effects of Primary Nocturnal Enuresis in Chinese Young Adults

Hui Jie Hu,Zhen Wei Zhang,Yu Liang,Yan Yan Luo,Qi Feng Dou,Cui Ping Song,Hui Min Zhang,Ying Zhao,Guang Run Tian,Ke Zhang,Qiu Fang Mao,Jing Gui Song,Soren Rittig,Jian Guo Wen 대한배뇨장애요실금학회 2021 International Neurourology Journal Vol.25 No.1

Purpose: This study aimed to investigate the prevalence, risk factors, and effects of primary nocturnal enuresis (PNE) on physical and mental health in young adults in mainland China. Methods: An anonymous questionnaire was used to collect information including the sociodemographic characteristics, history of PNE, family history, daytime voiding symptoms, Pittsburgh Sleep Quality Index (PSQI) scores, Self-Esteem Scale (SES), and Self-Rating Depression Scale (SDS). A total of 22,500 university students from 23 provinces and 368 cities in mainland China were included. Results: In total, 21,082 questionnaires were collected, and 20,345 of them qualified for statistical analysis. The PNE prevalence was 1.17%, and the distribution of monosymptomatic nocturnal enuresis (MNE) and nonmonosymptomatic nocturnal enuresis (NMNE) was 66.1% and 33.9%, respectively. In total, 28% of respondents with PNE reported bedwetting daily, 31.6% between 1 and 7 times weekly, and 40.4% between 1 and 4 times monthly; 80% of PNE cases had no history of treatment. The prevalence of PNE in patients with a family history, frequency, urgency, urinary incontinence, and recurrent urinary tract infections was significantly higher than in those without these conditions (P<0.001). PNE was significantly correlated with the PSQI total score (sleep quality) (P=0.011). The SES score was lower and the SDS was higher (P<0.001) in the PNE group than in those without PNE. Conclusions: In mainland China, the PNE prevalence among young adults was found to be high, and PNE had significant effects on physical and mental health. Risk factors included a family history, daytime voiding symptoms, and lack of treatment.

Instantaneous frequency extraction in time-varying structures using a maximum gradient method

Jing-liang Liu,Xiaojun Wei,Ren-Hui Qiu,Jin-Yang Zheng,Yan-Jie Zhu,Irwanda Laory 국제구조공학회 2018 Smart Structures and Systems, An International Jou Vol.22 No.3

A method is proposed for the identification of instantaneous frequencies (IFs) in time-varying structures. The proposed method combines a maximum gradient algorithm and a smoothing operation. The maximum gradient algorithm is designed to extract the wavelet ridges of response signals. The smoothing operation, based on a polynomial curve fitting algorithm and a threshold method, is employed to reduce the effects of random noises. To verify the effectiveness and accuracy of the proposed method, a numerical example of a signal with two frequency modulated components is investigated and an experimental test on a steel cable with time-varying tensions is also conducted. The results demonstrate that the proposed method can extract IFs from the noisy multi-component signals and practical response signals successfully. In addition, the proposed method can provide a better IF identification results than the standard synchrosqueezing wavelet transform.

Instantaneous frequency extraction in time-varying structures using a maximum gradient method

Liu, Jing-liang,Wei, Xiaojun,Qiu, Ren-Hui,Zheng, Jin-Yang,Zhu, Yan-Jie,Laory, Irwanda Techno-Press 2018 Smart Structures and Systems, An International Jou Vol.22 No.3

A method is proposed for the identification of instantaneous frequencies (IFs) in time-varying structures. The proposed method combines a maximum gradient algorithm and a smoothing operation. The maximum gradient algorithm is designed to extract the wavelet ridges of response signals. The smoothing operation, based on a polynomial curve fitting algorithm and a threshold method, is employed to reduce the effects of random noises. To verify the effectiveness and accuracy of the proposed method, a numerical example of a signal with two frequency modulated components is investigated and an experimental test on a steel cable with time-varying tensions is also conducted. The results demonstrate that the proposed method can extract IFs from the noisy multi-component signals and practical response signals successfully. In addition, the proposed method can provide a better IF identification results than the standard synchrosqueezing wavelet transform.

ELECTRIC-FIELD DEPENDENCE OF MOLECULAR CONFORMATIONS OBSERVED BY USING SCANNING TUNNELING MICROSCOPY

XIAO JING MA,RUI ZHANG,YONG TAO SHEN,XIAO HUI QIU,YAN LIAN YANG,CHEN WANG 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2008 NANO Vol.3 No.2

We review the progress in observation of electrically induced conformational changes of a range of single molecules and molecular assemblies using scanning tunneling microscopy (STM). Recent results using species with optical active functional groups and supramolecular structures confirmed the previously observed effects that the cholesterol molecules with soft linkers have the conformational bistability when switching the bias polarity, while no discernable changes were observed for the mesogen molecules, containing rigid linking units. In addition, it was also observed that the linker units could have appreciable impacts on the assembling characteristics.

Shorter Distance Between the Nodule and Capsule has Greater Risk of Cervical Lymph Node Metastasis in Papillary Thyroid Carcinoma

Wang, Qiu-Cheng,Cheng, Wen,Wen, Xin,Li, Jie-Bing,Jing, Hui,Nie, Chun-Lei Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.2

Background: The purpose of this study was to assess the relationship between different sonographic features of papillary thyroid carcinoma (PTC) on high-frequency ultrasound and cervical lymph node metastasis (CLNM). Materials and Methods: We enrolled 548 patients who underwent initial surgery for PTC between May 2011 and December 2012 in our hospital at diagnosis. The sonographic features of 513 PTC nodules in 513 eligible patients, who had single PTC nodules in their thyroid glands, were retrospectively investigated. All patients with a suspect malignant nodule (d<0.5cm) among multiple nodules were initially diagnosed by fine-needle aspiration biopsy (FNAB) to ascertain if the suspect nodule was PTC. The final diagnosis of all the thyroid nodules and existence of CLNM were based on postoperative pathology. Patients were divided into two groups: a positive group with CLNM (224 nodules) and a negative group without CLNM (289 nodules). The following factors were investigated: gender, age, echogenicity, echotexture, size, shape, location, margin, contour, calcification morphology, distance between the nodule and pre- or post-border of the thyroid capsule, vascularity and the differences between the two groups. Results: Correlation analysis showed that shorter distances between the nodule and pre- or postborder of thyroid capsule resulted in greater risk of CLNM (Spearman correlation coefficient=-0.22, p<0.0001). The significant factors in multivariate analysis were age<45yrs, larger size (d>1cm), "wider than tall" shape, extrathyroid extension and mixed flow (internal and peripheral) (p<0.05, OR=0.406, 2.093, 0.461, 1.610, 1.322). Conclusions: Significant sonographic features of PTC nodules in preoperative high-frequency ultrasound are crucial for predicting CLNM.

Age-stage, two-sex life tables of the maple poison moth (Lymantria nebulosa Wileman) at different ambient temperatures

Lei Ling,Huang Hui Jing,Yi Jin Yu,Qiu Lin,Ding Wen Bin,He Hua Liang,Yi Tu Yong,Li You Zhi,Xue Jin 한국곤충학회 2021 Entomological Research Vol.51 No.4

The maple poison moth (MPM), Lymantria nebulosa (Wileman), is a Lepidopteran defoliator and one of the most important pests of Liquidambar formosana Hance. The objective of this study was to determine the effects of temperature on the population growth and reproduction of this species. MPM were raised in artificial climate chambers in a laboratory at 21 ± 1°C, 24 ± 1°C, 27 ± 1°C, 30 ± 1°C, 33 ± 1°C and 36 ± 1°C, under a relative humidity (RH) of 70% ± 10% and a 14 L:10D photoperiod, and age-stage, two-sex life tables complied for insects at each temperature. The developmental duration, adult preoviposition period and overall preoviposition period decreased with temperature in a time-dependent manner. The growth curves of the different temperature groups overlapped considerably. The highest larval survival rate (80%) was recorded at 30 ± 1°C. At 36°C only a few eggs hatched and the first instar could not complete the first molt. We consequently regard 36°C as the lethal temperature threshold for this species. Life expectancy decreased with age under all six temperatures. The endogenous growth rate was significantly lower at 21 ± 1°C than at the other temperatures, and was highest in 30 ± 1°C group. The net growth rate of the 30 ± 1°C group was also significantly higher than others. Reproductive parameters were highest at 27 ± 1°C and 30 ± 1°C. Although environmental factors absent from the laboratory environment may limit the generality of our results, they nonetheless provide a theoretical basis for developing integrated control methods for MPM in the wild.

AN 8MN BAND DOUBLE-RIDGE WAVEGUIDE UPCONVERTOR

Fan, Deng Shao,Qun, Wu,Hui, Qiu Jing 대한전자공학회 1992 HICEC:Harbin International Conference on Electroni Vol.1 No.1

An 8㎜-band double-ridge upconvertor is described in this paper. the convertor operates over three bands of X, K and Ka. The conversion loss measured is as little as 2.9dB at sum-frequency of 35㎓, with bandwidth over 500㎒. The maximum power output of sum-frequency signal is 1.35mw; There is no stray frequency spectrum even as the amplitude of sum-frequency signal exceeds 30dB. Testing results show that the upconvertor has reaalized to convert X-band signal to Ka-band linearly.

3-Methylthiopropionic Acid of Rhizoctonia solani AG-3 and Its Role in the Pathogenicity of the Fungus

Frederick Kankam,Hai-Tao Long,Jing-He,Chun-hong Zhang,Hui-Xiu Zhang,Lumei Pu,Huizhen Qiu 한국식물병리학회 2016 Plant Pathology Journal Vol.32 No.2

Studies were conducted to determine the role of 3-methylthioproprionicacid (MTPA) in the pathogenicityof potato stem canker, Rhizoctonia solani, and theconcentrations required to inhibit growth of R. solaniunder laboratory and plant house-based conditions. The experiments were laid out in a completely randomizeddesign with five treatments and five replications. The treatments were 0, 1, 2, 4, and 8 mM concentrationsof MTPA. The purified toxin exhibited maximalactivity at pH 2.5 and 30oC. MTPA at 1, 2, 4, and 8 mMlevels reduced plant height, chlorophyll content, haulmfresh weight, number of stolons, canopy development,and tuber weight of potato plants, as compared to thecontrol. MTPA significantly affected mycelial growthwith 8 mM causing the highest infection. The potatoseedlings treated with MTPA concentrations of 1.0–8.0mM induced necrosis of up to 80% of root system area. Cankers were resulted from the injection of potatoseedling stems with 8.0 mM MTPA. The results showedthe disappearance of cell membrane, rough mitochondrialand cell walls, change of the shape of chloroplasts,and swollen endoplasmic reticulum. Seventy-six (76)hours after toxin treatment, cell contents were completelybroken, cytoplasm dissolved, and more chromatinwere seen in the nucleus. The results suggestedthat high levels of the toxin concentration caused cellmembrane and cytoplasm fracture. The integrity of cellularstructure was destroyed by the phytotoxin. Theconcentrations of the phytotoxin were significantly correlatedwith pathogenicity and caused damage to thecell membrane of potato stem base tissue.

AN 8MN BAND DOUBLE-RIDGE WAVEGUIDE UPCONVERTOR

Deng Shao Fan,Wu Qun,Qiu Jing Hui 대한전자공학회 1992 대한전자공학회 Conference Vol.1992 No.2