http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
MEASURING CUSTOMER ENGAGEMENT ON SOCIAL MEDIA: TOWARDS A MORE QUALITATIVE AND COMPREHENSIVE APPROACH
Othman Boujena,Bruno Godey,Isabelle Ulrich,Aikaterini Manthiou,Daniele Pederzoli,Raffaele Donvito,Gaetano Aiello,Valentina Mazzoli 글로벌지식마케팅경영학회 2021 Global Fashion Management Conference Vol.2021 No.11
Uterine blood flow indices, antinuclear autoantibodies and unexplained recurrent miscarriage
( A. Pietropolli ),( Valentina Bruno ),( M. V. Capogna ),( S. Bernardini ),( E. Piccione ),( C. Ticconi1 ) 대한산부인과학회 2015 Obstetrics & Gynecology Science Vol.58 No.6
Objective To study the correlation between 2D and 3D uterine flow indexes and the presence or the absence of antinuclear antibodies (ANA) in women with unexplained recurrent miscarriage (uRM). Methods Fifty-two subjects (26 uRM and 26 control women) underwent 2D Doppler measurement of pulsatility index and resistance index of the uterine arteries in both the follicular and midluteal phase of the cycle. Additionally, 3D ultrasonography determination of vascularisation index, flow index, and vascularisation flow index was carried out with the aid of the VOCAL technique. Serum assay for the presence of ANA was performed in all women. Results Pulsatility index of ANA+ uRM women was higher than that of ANA- uRM women and control ANA+ and ANAwomen, both in the follicular and in the midluteal phase of the cycle. Vascularisation index in ANA- uRM women was significantly higher than that in ANA+ control women. Flow index in uRM ANA+ women was significantly lower than that of each of the other groups. Conclusion ANA might be involved in uRM by determining an impairment in uterine blood flow hemodynamic, particularly in uterine blood flow intensity and uterine artery impedance.
Mario Preti,Lauro Bucchi,Bruno Ghiringhello,Silvana Privitera,Valentina Frau,Elisabetta Corvetto,Chiara Benedetto,Leonardo Micheletti 대한부인종양학회 2017 Journal of Gynecologic Oncology Vol.28 No.4
Objective: To evaluate the prevalence and risk factors for unrecognized invasive carcinomain a series of patients undergoing surgical excision after an office biopsy of vulvar high-gradesquamous intraepithelial lesion (VHSIL). Methods: Two hundred and sixteen consecutive patients treated in a tertiary-level referralcenter for vulvar disease in north-western Italy were recruited. Patients' records werereviewed by trained personnel. Factors showing a statistically significant (p<0.05) associationwith detection of stromal invasion at excisional surgery in univariate analysis were furtherexamined in a backward stepwise multiple logistic regression model. Results: The median patient age was 50 years (range, 19–88). More than 25% patients withVHSIL at biopsy had associated cervical/vaginal intraepithelial neoplasia, and more than 35%had a multifocal lesion. Invasive carcinoma was detected in surgical specimens from 24 patients(11%). The depth of stromal invasion varied between 0.1 mm and 3.0 mm with a median of 0.5mm. In multivariate analysis, the risk of invasive carcinoma detection was greater for patients inthe highest tertile of age (p=0.008), for patients with a lesion ≥20 mm in size (p=0.013) and withclitoral involvement (p<0.001), and for patients presenting with a nodular lesion (p=0.078). Conclusion: Our study suggests that patient age, lesion size, clitoral involvement andnodular appearance in patients with VHSIL at vulvoscopy-directed biopsy are independentlyassociated with the risk of unrecognized invasive carcinoma.
Bombeccari, Gian Paolo,Garagiola, Umberto,Candotto, Valentina,Pallotti, Francesco,Carinci, Francesco,Gianni, Aldo Bruno,Spadari, Francesco Korean Association of Maxillofacial Plastic and Re 2018 Maxillofacial Plastic Reconstructive Surgery Vol.40 No.-
Background: Proliferative verrucous leukoplakia (PVL) is an oral potentially malignant disorder, characterized by multifocal expression, progressive clinical evolution, and a high rate of malignant transformation. Evidence-based information regarding optimal PVL management is lacking, due to the paucity of data. The present report describes a case of PVL associated with HPV-16 infection and epithelial dysplasia treated by diode laser surgery, and the outcome of disease clinical remission over a 2-year follow-up period. Case report: A 61-year-old Caucasian male with oral verrucous hyperkeratosis presented for diagnosis. The lesions were localized on the maxillary gingiva and palatal alveolar ridge. Multiple biopsy specimens have been taken by mapping the keratotic lesion area. Microscopic examination was compatible with a diagnosis of PVL with focal mild dysplasia, localized in the right maxillary gingiva. Polymerase chain reaction (PCR) was done for human papillomavirus (HPV) detection which revealed presence of HPV DNA, and the genotype revealed HPV 16 in the sample. The PVL in the right gingival area was treated on an outpatient basis by excision with a diode laser. This approach resulted in good clinical response and decreased morbidity over a 2-year follow-up period. Conclusions: This case illustrates the benefit of a conservative approach by diode laser treatment than wide surgical excision for management of the PVL lesions associated with mild dysplasia and HPV-16 infection.
Enhancement of Phenolic Compounds Oxidation Using Laccase from Trametes versicolor in a Microreactor
Ana Jurinjak Tušek,Marina Tišma,Valentina Bregovic,Ana Pticar,Želimir Kurtanjek,Bruno Zelic 한국생물공학회 2013 Biotechnology and Bioprocess Engineering Vol.18 No.4
Laccases catalyse the oxidation of a wide range of substrates by a radical-catalyzed reaction mechanism,with a corresponding reduction of oxygen to water in a four-electron transfer process. Due to that, laccases are considered environmentally friendly enzymes, and lately there has been great interest in their use for the transformation and degradation of phenolic compounds. In this work, enzymatic oxidation of catechol and L-DOPA using commercial laccase from Trametes versicolor was performed, in continuously operated microreactors. The main focus of this investigation was to develop a new process for phenolic compounds oxidation, by application of microreactors. For a residence time of 72 s and an inlet oxygen concentration of 0.271 mmol/dm3, catechol conversion of 41.3% was achieved, while approximately the same conversion of L-DOPA (45.0%) was achieved for an inlet oxygen concentration of 0.544 mmol/dm3. The efficiency of microreactor usage for phenolic compounds oxidation was confirmed by calculating the oxidation rates;in the case of catechol oxidation, oxidation rates were in the range from 76.101 to 703.935 g/dm3/d (18 - 167 fold higher, compared to the case in a macroreactor). To better describe the proposed process, kinetic parameters of catechol oxidation were estimated, using data collected from experiments performed in a microreactor. The maximum reaction rate estimated in microreactor experiments was two times higher than one estimated using the initial reaction rate method from experiments performed in a cuvette. A mathematical model of the process was developed, and validated, using data from independent experiments.