检索结果-南通市图书馆

Efficient light harvesting from flexible perovskite solar cells under indoor white light-emitting diode illumination

引用

Nano Research 2017年第6期10卷 2130-2145页

作者： giulia Lucarelli Francesco Di Giacomo Valerio Zardetto Mariadriana creatore Thomas M. Brown Centre for Hybrid and Organic Solar Energy (CHOSE) Department of Electronic Engineering University of Rome Tor Vergata Via del Politecnico 100133 Rome Italy Hoist Centre/TNO - Solliance 5655AE Eindhoven the Netherlands Department of Applied Physics Eindhoven University of Technology P.O. Box 513 5600 MB Eindhoven the Netherlands

This is the first report of an investigation on flexible perovskite solar cells for artificial light harvesting by using a white light-emitting diode （LED） lamp as a light source at 200 and 400 Ix, values typically found in indoor environments. Flexible cells were developed using either low-temperature sol-gel or atomic- layer-deposited compact layers over conducting polyethylene terephthalate （PET） substrates, together with ultraviolet （UV）-irradiated nanoparticle TiO2 scaffolds, a CH3NHBPbI3xClx perovskite semiconductor, and a spiro-MeOTAD hole transport layer. By guaranteeing high-quality carrier blocking （via the 10-40 nm-thick com- pact layer） and injection （via the nanocrystalline scaffold and perovskite layers） behavior, maximum power conversion efficiencies （PCE） and power densities of 10.8% and 7.2 pW-cm-2, respectively, at 200 lx, and 12.1% and 16.0 -tW＇cm-2, respectively, at 400 lx were achieved. These values are the state-of-the-art, comparable to and even exceeding those of flexible dye-sensitized solar cells under LED lighting, and significantly greater than those for flexible amorphous silicon, which are currently the main flexible photovoltaic technologies commercially considered for indoor applications. Furthermore, there are significant margins of improvement for reaching the best levels of efficiency for rigid glass-based counterparts, which we found was a high of PCE -24% at 400 lx. With respect to rigid devices, flexibility brings the advantages of being low cost, lightweight, very thin, and COlfformal, which is especially important for seamless integration in indoor environments.

关键词： flexible perovskite solar cells indoor light harvesting atomic layer deposition nanocrystalline scaffolds flexible photovoltaics energy harvesting

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Validity of studies suggesting preoperative chemotherapy for resectable thoracic esophageal cancer:A critical appraisal of randomized trials

引用

World Journal of Gastrointestinal Oncology 2020年第1期12卷 113-123页

作者： giulia Manzini Ursula Klotz Doris Henne-Bruns Michael Kremer Department of General and Visceral Surgery University of UlmUlm 89081Germany Department of General and Visceral Surgery Hospital of AarauAarau 5000Switzerland

BACKGROUND In 2015,Kidane published a Cochrane review and meta-analysis to summarise the impact of preoperative chemotherapy versus surgery alone on survival for resectable thoracic esophageal *** authors concluded that preoperative chemotherapy improved overall survival(OS).AIM The aim of this article was to assess the validity of the three most powerful studies included in the Cochrane review and the meta-analysis supporting the advantage of preoperative chemotherapy and to investigate the impact of an exclusion of these three studies on the result of the *** OS was selected as the endpoint of *** the ten included papers which analysed this endpoint,we identified the three publications with the highest weights influencing the final *** validity of these papers was analysed using the CONSORT checklist for randomized controlled *** performed a new meta-analysis without the three studies to assess their impact on the general result of the original *** The three analysed studies revealed several *** answers were found in up to one third of the items of the CONSORT *** information about sample-size calculation and power,unclear or inadequate randomisation,and missing blinded set-up were the most common *** the three criticized studies were excluded in the meta-analysis,preoperative chemotherapy showed no benefit in *** The three most powerful publications in the Cochrane review show substantial *** the exclusion of these studies from the meta-analysis,preoperative chemotherapy does not seem to result in an advantage in *** suggest a more critical appraisal regarding the validity of single studies.

关键词： Esophageal cancer Assessment of validity Meta-analysis CONSORT Overall survival

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Relation between skeletal muscle volume and prognosis in rectal cancer patients undergoing neoadjuvant therapy

引用

World Journal of Gastrointestinal Oncology 2022年第2期14卷 423-433页

作者： Paola De Nardi Alessandro Giani giulia Maggi Marco Braga Department of Gastrointestinal Surgery IRCCS San Raffaele Scientific InstituteMilano 20132Italy Department of Surgery School of MedicineUniversity of Milano-BicoccaMilan ItalyMonza 20900Italy Department of Oncologic Surgery Policlinico CasilinoRome 00169Italy Department of Surgery San Gerardo HospitalUniversity Milano BicoccaMonza 20900Italy

The prognostic role of body composition indexes,and specifically sarcopenia,has recently been explored in different cancer ***,conflicting results have been *** in cancer type,cancer stage or oncological treatments,as well as different methodology and definition of sarcopenia,could be accounted for different conclusions retrieved from *** focusing on colorectal cancer,it clearly appears that colon and rectal cancers are often treated as a single entity though they have different behaviors and ***,patients with advanced rectal cancer represent a peculiar group of patients that according to current guidelines are treated with neoadjuvant chemotherapy and radiotherapy followed by radical *** review was restricted to a homogeneous group of patients with advanced lower rectal cancer and the aim of exploring whether there is a correlation between skeletal muscle depletion and *** was searched for articles related to patients with advanced rectal cancer undergoing neoadjuvant chemo-radiotherapy(NCRT)followed by radical surgery,in whom muscle mass and/or change in muscle mass during neoadjuvant treatment were *** full-text articles were selected and included in the present *** main findings of our review were:(1)The majority of the studies defined sarcopenia as muscle mass alone over muscle strength or physical performance;(2)There was a great deal of heterogeneity in the definition and measures of sarcopenia,in the definition of cut-off values,and in the method to measure change in muscle mass;(3)There was not full agreement on the association between sarcopenia at baseline and/or after chemoradiotherapy and prognosis,and only few studies found a significance in the multivariate analysis;and(4)It seems that a loss in skeletal muscle mass during NCRT is associated with the worst outcomes in terms of disease-free *** conclusion,analysis of muscle mass might provid

关键词： Advanced rectal cancer Sarcopenia Neoadjuvant treatment Chemoradiotherapy Surgery Muscle mass change Prognosis Survival Review

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Circulating and stool nucleic acid analysis for colorectal cancer diagnosis

引用

World Journal of Gastroenterology 2014年第4期20卷 957-967页

作者： giulia De Maio Claudia Rengucci Wainer Zoli Daniele Calistri Biosciences Laboratory Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori IRCCS

In recent years, the need to identify molecular markers characterized by high sensitivity and specificity in detecting and monitoring early and colorectal cancer lesions has increased. Up to now, none of the markers or panels of markers analyzed have met the rigorous standards required of a screening program. The important discovery of circulating nucleic acids in biological fluids has aroused intense scientific interest because of their usefulness in malignant and non malignant diseases. Over time, their yield and stability have been identified and compared with other “standard” biomarkers. The analysis of circulating DNA from blood and stool is a relatively simple and non-invasive procedure, representing a very attractive marker to detect genetic and epigenetic mutations and to monitor disease progression. A correlation between blood and stool biomarkers could also help to enhance currently available diagnostic approaches. However, various processing and analytic problems need to be resolved before such an approach can be applied in clinical practice.

关键词： Colorectal cancer Circulating DNA Circulating RNA Early diagnosis DNA integrity

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Surveillance strategies following curative resection and nonoperative approach of rectal cancer:How and how long?Review of current recommendations

引用

World Journal of Gastrointestinal Surgery 2023年第2期15卷 177-192页

作者： Andrea Lauretta giulia Montori Gian Piero Guerrini Department of Surgical Oncology Centro di Riferimento Oncologico di Aviano IRCCSAviano 33081Italy Department of General Surgery Vittorio Veneto HospitalULSS 2 Marca TrevigianaVittorio Veneto 31029Italy Hepato-Pancreato-Biliary Surgical Oncology and Liver Transplantation Unit Policlinico-AUO ModenaModena 41124Italy

Different follow-up strategies are available for patients with rectal cancer following curative treatment.A combination of biochemical testing and imaging investigation,associated with physical examination are commonly ***,there is currently no consensus about the types of tests to perform,the timing of the testing,and even the need for follow-up at all has been *** aim of this study was to review the evidence of the impact of different followup tests and programs in patients with non-metastatic disease after definitive treatment of the primary.A literature review was performed of studies published on MEDLINE,EMBASE,the Cochrane Library and Web of Science up to November *** published guidelines from the most authoritative specialty societies were also *** to the follow-up strategies available,the office visit is not efficient but represents the only way to maintain direct contact with the patient and is recommended by all authoritative specialty *** colorectal cancer surveillance,carcinoembryonic antigen represents the only established tumor *** and chest computed tomography scan is recommended considering that the liver and lungs are the most common sites of *** local relapse in rectal cancer is higher than in colon cancer,endoscopic surveillance is *** follow-up regimens have been published but randomized comparisons and meta-analyses do not allow to determine whether intensive or less intensive follow-up had any significant influence on survival and recurrence detection *** available data do not allow the drawing of final conclusions on the ideal surveillance methods and the frequency with which they should be *** is very useful and urgent for clinicians to identify a cost-effective strategy that allows early identification of recurrence with a special focus for highrisk patients and patients undergoing a“watch and wait”approach.

关键词： Rectal cancer Follow-up Surveillance Recurrence Carcinoembryonic antigen Computed tomography

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Persistent dysexecutive syndrome after pneumococcal meningitis complicated by recurrent ischemic strokes:A case report

引用

World Journal of Clinical Cases 2023年第22期11卷 5344-5350页

作者： Laura Abbruzzese giulia Martinelli giulia Salti Benedetta Basagni Alessio Damora Cristiano Scarselli giulia Peppoloni Aleksandra Podgorska giuliana Rosso Marco Bacci Alba Rosa Alfano MAURO MANCUSO CRT Tuscany Rehabilitation ClinicMontevarchiArezzo 52025Italy Physical and Rehabilitative Medicine Unit NHS ASL-Tuscany South EstGrosseto 58100Italy Department of Internal Medicine and Medical Specialties UOC GeriatricsSapienza University of RomeRome 00185Italy

Meningitis is a possible complication of pneumococcal infection concerning acute otitis media and *** might compromise cognitive function,both for the infection itself and the vascular events that sometimes follow the acute *** SUMMARY Here we describe the case of a 32-year-old female patient admitted to the emergency room due to extensive pneumococcal meningitis as a consequence of sinus *** presented with extensive laminar ischemic damage in the acute phase,resulting in severe cognitive and behavioural *** years of follow-up,through neuropsychological assessments and neuroradiological investigations,demonstrated the presence of subsequent vascular events,3 months and 2 years after *** The case is discussed in light of scientific knowledge of the long-term outcomes of this pathology in order to potentially improve diagnosis and promote better outcomes.

关键词： Pneumococcal meningitis Stroke,Cognitive and behavioural functioning Long-term outcome Case report

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Male sexual signaling and expected effects of hatchery-induced sperm competition vary with water depth at which whitefish are caught

引用

Current Zoology 2021年第3期67卷 337-340页

作者： giulia Perroud David Nusbaumer Christian de Guttry Claus Wedekind Department of Ecology and Evolution University of Lausanne1015 LausanneSwitzerland

Salmonids like whitefish(Coregonus spp.)are often propagated in supportive *** are caught from their spawning locations,their gametes mixed,and the resulting offspring reared in a protected environment before being released into the *** procedure can affect sexual selection,for example,by enhancing the importance of sperm competition or by reducing the relevance of sexual *** it is often unclear how sperm competitiveness is affected by a male's overall genetic quality,there is accumulating evidence that sexual signals reveal good genes and that mate choice based on such signals can increase offspring viability(Auld et al.2019).Therefore,supportive breeding may affect the genetic variance and the mean genetic quality of next generations.

关键词： sexual signaling sperm competition whitefish

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Perioperative chemotherapy for advanced gastric cancer - results from a tertiary-care hospital in Germany

引用

World Journal of Gastrointestinal Oncology 2020年第5期12卷 559-568页

作者： Katrin Bauer giulia Manzini Doris Henne-Bruns Peter Buechler Department for General VisceralThoracic and Paediatric SurgeryClinic of KemptenKempten 87439Germany Department of General and Visceral Surgery University Hospital of UlmUlm 89081Germany

BACKGROUND Neoadjuvant/perioperative chemotherapy is the recommended treatment for advanced stages of gastric cancer(>T2,N+)before tumour resection in many European ***,there is no consensus as to whether perioperative chemotherapy is as effective in distal as in proximal tumours,in addition to a relevant uncertainty concerning appropriate treatment modalities for elderly *** To investigate the role of perioperative chemotherapy in advanced gastric cancer in patients from a German tertiary clinic with respect to efficacy,localisation,and *** We performed a retrospective analysis of 158 patients from our clinic with adenocarcinoma of the stomach or the gastroesophageal junction who underwent resection between 2008 and *** data were evaluated particularly in relation to patient age,tumour site,and perioperative *** Administration of perioperative chemotherapy did not lead to a significant survival advantage in our study *** 5-year survival rates were 40%for patients who received perioperative chemotherapy and 29%for the group without perioperative chemotherapy(P=0.125).Our patients were on average distinctly older than patients in most of the published randomised controlled *** elder than 75 years received perioperative chemotherapy far less *** with a proximal tumour received perioperative chemotherapy much more *** This analysis reconfirms our previous data concerning the effectiveness of perioperative chemotherapy for advanced gastric *** is reasonable doubt that the quality of the existing randomized controlled trials is sufficient to generally justify perioperative chemotherapy in patients with advanced gastric cancer independent of tumour localization or age.

关键词： Gastric cancer Perioperative Chemotherapy Tumour localisation Age distribution Validity

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Neuregulin 1 isoforms could be an effective therapeutic candidate to promote peripheral nerve regeneration

引用

Neural Regeneration Research 2014年第12期9卷 1183-1185页

作者： Giovanna Gambarotta giulia Ronchi Stefano Geuna Isabelle Perroteau Department of Clinical and Biological Sciences University of Turin Neuroscience Institute of Turin (NIT) University of Turin Neuroscience Institute of the "Cavalieri Ottolenghi" Foundation(NICO) University of Turin

Traumatic injuries of peripheral nerves represent common casualties and their social impact is considerably high. Although peripheral nerves retain a good regeneration potential, the clinical outcome after nerve lesion is far from being satisfactory and functional recovery is almost never complete, especially in the case of large nerve defects, that result in loss or diminished sensitivity and/or motor activity of the innervated target organs. Therefore, to improve the outcome after nerve damage, or in peripheral neuropathies, there is a need for further research in nerve repair and regeneration to identify factors that promote axonal regrowth, remvelination and target reinnervation.

关键词： NRG BACE Neuregulin 1 isoforms could be an effective therapeutic candidate to promote peripheral nerve regeneration TACE

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Cell-based therapy in Alzheimer's disease: can human fetal cholinergic neurons “untangle the skein”?

引用

Neural Regeneration Research 2018年第12期13卷 2105-2107页

作者： giulia Guarnieri Erica Sarchielli Gabriella B.Vannelli Annamaria Morelli Anatomy and Histology Unit Department of Clinical and Experimental Medicine University of Florence

Alzheimer＇s disease（AD）is a devastating neurodegenerative disorder and the most common form of old-age *** disease is characterized by a progressive decline in cognitive functions,gradual loss of memory and ability... 详细信息

关键词： untangle the skein can human fetal cholinergic neurons Cell-based therapy in Alzheimer’s disease

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：