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  • Online Resource  (36)
  • Rodrigo, Luis  (20)
  • Stoytcheva, Margarita  (16)
  • [Erscheinungsort nicht ermittelbar] : IntechOpen  (36)
  • 1
    Online Resource
    Online Resource
    Diverticular Bowel Disease : Diagnosis and Treatment (2024)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9780854662029 , 9780854662043 , 9780854662036
    Language: Undetermined
    Pages: 1 Online-Ressource (88 p.)
    Keywords: Gastroenterology ; Choledocholithiasis ; Diverticulectomy ; Duodenal Diverticulitis ; Colonic Diverticulitis ; Esophageal Diverticula ; Diagnostic Procedures ; Clinical Complications ; Perforation ; Diverticulosis ; Microbiota ; Colonic Diverticular Bleeding ; Outpatient Management
    Abstract: Diverticulosis refers to an outpouching of colonic mucosa and submucosa outside of the intestinal lumen. It commonly occurs around the penetrating blood vessels. It can occur in any segment of the bowels; however, the sigmoid colon is the most affected segment. Diverticulosis (the presence of diverticula in the colon) remains asymptomatic in most individuals, but approximately 25% of people with diverticulosis will experience symptomatic diverticulosis, which is referred to as diverticular disease. In the past two decades, diverticular disease has become one of the most commonly diagnosed bowel disorders. It is seen across the globe and its incidence is high, especially in Western countries. It is estimated that in many developed countries around 50% of the population older than 50 years is affected by diverticular disease. It was once believed to be associated with increasing age, however, in recent studies, its prevalence in younger populations has increased. In about 10%–25% of patients with diverticulosis, the disease progresses and leads to diverticulitis. Many theories have been suggested for the different etiologies of diverticular disease, and the most common cause is believed to be a low-fiber diet. It is believed that diets low in fiber are associated with increased intracolonic pressure, which leads to diverticula formation. Diverticular disease can have variable clinical presentations. Most often it presents as abdominal pain or change in bowel habits and rectal bleeding. Its clinical picture can at times mimic inflammatory bowel disease or bowel malignancy. Its common sequelae include diverticulitis, perforation, and peri-colic abscess/phlegmon. The complications of diverticular disease include abscess, fistula, and bowel strictures. Small or localized collections can be managed with intravenous antibiotics and depending on the available resources, intervention radiology can also be used to manage such cases. CT scan is considered a more specific technique for diagnosis. It can also be used for reviewing the patient's progress to treatment, with serial scans over time. It is also used for treating some complications, such as performing percutaneous drainage of abdominal abscesses
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  • 2
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    Online Resource
    Celiac Disease and Gluten-Free Diet (2023)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9781837688715 , 9781837688708 , 9781837688722
    Language: Undetermined
    Pages: 1 Online-Ressource (74 p.)
    Keywords: Immunology
    Abstract: Celiac disease is an autoimmune disease that primarily affects the small intestine, causing chronic inflammation and sometimes villous atrophy. It is related to the ingestion of gluten products and affects genetically susceptible people. This book provides a comprehensive overview of celiac disease, presenting information on its diagnosis and management
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  • 3
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    Online Resource
    Immunology of the GI Tract : Recent Advances (2022)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781803560878 , 9781803560861 , 9781803560885
    Language: Undetermined
    Pages: 1 Online-Ressource (312 p.)
    Keywords: Gastroenterology
    Abstract: The intestine is the largest digestive organ in the human body and one of the largest organs in contact with the outside world. In addition to digesting food to facilitate the absorption of nutrients, it has a variety of other functions, including the transmission of information and regulation of the metabolism. Due to its unique structure, the intestine is constantly exposed to various antigens and microbes. To protect the body from pathogens, while also maintaining a stable environment, the human intestinal tract has evolved unique regional immune characteristics maintained by the mature intestinal mucosal immune system. This intricate system involves intestinal epithelial cells, and intestinal lymphoid tissue composed of Peyer’s patches, isolated lymphoid follicles, mesenteric lymph nodes, and so on. The congenital and adaptive immune mechanisms created by the unique structure, function, and microenvironment of the intestine differ from those of the central and peripheral immune organs forming the regional immunity of the intestine. Intestinal flora also plays an important role in maintaining intestinal homeostasis, altering the structure and function of the immune system, reshaping the immune microenvironment, and promoting interference with the development of specific diseases. In fact, the immune function of the intestinal region directly affects the development of many intestine-specific diseases. However, the integrity of this function depends on the expression of congenital genes and the regulation of the neuroendocrine system. The microenvironment created by intestinal flora and its products also affects the immunity of the intestinal region. In early life, appropriate intestinal colonization by specific microflora stimulates the maturation of the intestinal mucosa-associated lymphoid tissue. If the appropriate intestinal flora fails to form during this life stage, the function of the intestinal immune system becomes impaired, leading to increased incidence and/or morbidity of certain intestinal diseases, including ulcerative colitis, Crohn’s disease, and others
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  • 4
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    Online Resource
    Hepatitis B (2022)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781803550077 , 9781803550060 , 9781803550084
    Language: Undetermined
    Pages: 1 Online-Ressource (126 p.)
    Keywords: Hepatology
    Abstract: Current pharmacologic therapies for chronic hepatitis B virus (HBV) infection allow viral suppression and normalization of the liver enzyme alanine aminotransferase (ALT) and prevent liver disease from progressing. The currently available antiviral therapies very rarely lead to a functional cure. Thus, the future of a cure for HBV lies in triple combination therapies with concerted action on replication inhibition, antigen reduction, and immune stimulation. This book reviews the mechanisms and pathogenesis of HBV, as well as discusses current and potential future treatments
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  • 5
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    Online Resource
    Arsenic Monitoring, Removal and Remediation (2022)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781839696664 , 9781839696657 , 9781839696671
    Language: Undetermined
    Pages: 1 Online-Ressource (106 p.)
    Keywords: Ecological science, the Biosphere
    Abstract: Arsenic Monitoring, Removal and Remediation discusses methods for determining arsenic levels in the environment and removing arsenic pollution. Chapters in the first section comment on the principal methods for arsenic determination in environmental samples with emphasis on sample pretreatment, extraction, separation, and method validation techniques for speciation analysis. Attention is paid to the electrochemical methods for arsenic quantification as an alternative to the commonly used techniques and to the potential of the differential alternative pulses voltammetry for arsenic determination in the presence of interferences. Chapters in the second section highlight the benefits of using adsorption for arsenic species removal and suggest remedial approaches against arsenic pollution, including bioremediation, along with traditional techniques
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  • 6
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    Advances in Hepatology (2021)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781839686245 , 9781839686238 , 9781839686252
    Language: Undetermined
    Pages: 1 Online-Ressource (258 p.)
    Keywords: Hepatology
    Abstract: This book discusses clinical advances in hepatology, with a focus on metabolic diseases and chronic hepatitis C. The development of direct-acting antiviral (DAA) agents for the treatment of hepatitis C virus (HCV) infection in 2010 has completely transformed the management of this disease. This transformative nature of DAA therapy underpins the goal of the World Health Organization (WHO) to eliminate HCV infection as a public health threat by 2030. The advantages of using these therapies include high efficacy (sustained virological response rate 〉95%) with minimal side effects, good tolerability, easy drug administration (once-daily oral dosing) and short duration of treatment (8-12 weeks). The commercialization of second-generation DAA agents due to their high effectiveness, few side-effects and pangenotypic action. This transformative nature of DAA therapy underpins the goal of the WHO to eliminate HCV infection as a public health threat by 2030
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  • 7
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    Online Resource
    Osteoporosis : Recent Advances, New Perspectives and Applications (2021)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781839692376 , 9781839692369 , 9781839692383
    Language: Undetermined
    Pages: 1 Online-Ressource (98 p.)
    Keywords: Chiropractic & osteopathy
    Abstract: Osteoporosis is a significant social health problem, not only in terms of pain and disability but also in terms of mortality rate. Osteoporosis affects approximately 200 million people worldwide, with nearly 9 million fractures occurring annually.This book provides an overview of osteoporosis, addressing different aspects of the disease and related conditions. It includes five chapters that cover such topics as glucocorticoid-induced osteoporosis, the relationship between osteoporosis and diet, osteoporosis in the dento-maxillofacial complex, and more
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  • 8
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    Hepatitis B and C (2020)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9781789239485 , 9781789239478 , 9781838803735
    Language: English
    Pages: 1 Online-Ressource (112 p.)
    Series Statement: Infectious Diseases 5
    Keywords: Endocrinology
    Abstract: This book on Hepatitis B and C contains very useful and recent information about the general characteristics of these common types of chronic liver infections. Referred to as Hepatitis B, there are three chapters describing the main epidemiological, clinical, therapeutic, and prognosis aspects. The molecular variants for HBsAg, its genotyping, and their clinical implications are fully analyzed. The implications of coinfection Hepatitis B and C in HIV patients and their treatment are described. In relation to Hepatitis C, there are three chapters describing the general characteristics of this chronic viral infection. The challenges and strategies for access to treatment of Hepatitis C in Latin America are fully covered and these can be applied in other countries with similar epidemiological and financial problems for access to treatment on a large scale. The role of direct-acting antivirals (DAA) in the treatment of chronic Hepatitis C infection with liver cirrhosis is clearly documented
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  • 9
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    Online Resource
    Applications of Nanobiotechnology (2020)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9781789859782 , 9781789859775 , 9781838809973
    Language: English
    Pages: 1 Online-Ressource (140 p.)
    Keywords: Biotechnology
    Abstract: This book is dedicated to the applications of nanobiotechnology, i.e. the way that nanotechnology is used to create devices to study biological systems and phenomena. It includes seven chapters, organized in two sections. The first section (Chapters 1–5) covers a large spectrum of issues associated with nanoparticle synthesis, nanoparticle toxicity, and the role of nanotechnology in drug delivery, tissue engineering, agriculture, and biosensing. The second section (Chapters 6 and 7) is devoted to the properties of nanofluids and the medical and biological applications of computational fluid dymanics modeling
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  • 10
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    E. Coli Infections : Importance of Early Diagnosis and Efficient Treatment (2020)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781839625244 , 9781839625237 , 9781839625251
    Language: English
    Pages: 1 Online-Ressource (234 p.)
    Keywords: Infectious & contagious diseases
    Abstract: Gram-negative Escherichia coli (E. coli) bacteria are the most numerous commensal aerobic germs located in the human colon. Diarrhea caused by E. coli pathogenic strains is a major cause of death in developing countries, especially the sub-Saharan and South Asian areas. Some strains cause diarrhea, and all of them may produce an infectious disease. This book includes ten chapters covering the main aspects of infections related to E. coli, their pathogenic mechanisms, treatments, and resistance to diverse antibiotics
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  • 11
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    Liver Disease and Surgery (2019)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781789850666 , 9781789850659 , 9781838802738
    Language: English
    Pages: 1 Online-Ressource (248 p.)
    Keywords: Surgery
    Abstract: The goal of this book is to present a review of the different categories of liver disease, as well as address the role of surgery in managing these complex diseases. The book includes chapters written by international experts on the most current indications and guidelines regarding the diagnoses and management of liver diseases, as well as a variety of technical elements involved with the surgical procedures. Different surgical techniques involved in performing a hepatectomy will be discussed, including various instruments used, as well as the effect of modern technology as evidenced by novel procedures. An important focus of the book has been identifying the proper place of all these hepatectomy methods in the armamentarium of the experienced hepatobiliary surgeon, including the role of locoregional treatments such as ablation and embolization as adjuncts. Finally, the role of hepatectomy compared to orthotopic liver transplantation is discussed, so that the reader can have a well-rounded picture of the challenges and opportunities involved. Overall, this book has the potential to serve as an invaluable "tool" for both the hepatologist and the internist, as well as for the hepatic surgeon
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  • 12
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    Online Resource
    Celiac Disease : From the Bench to the Clinic (2019)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9781789850505 , 9781789850499 , 9781838817589
    Language: Undetermined
    Pages: 1 Online-Ressource (100 p.)
    Keywords: Immunology
    Abstract: Celiac disease (CD) occurs in about 1% of people worldwide. Diagnosis rates are increasing due to a true rise in incidence, rather than increased awareness and detection. CD affects genetically susceptible individuals who are triggered by the ingestion of gluten. The disease has many clinical manifestations, ranging from severe to minimally symptomatic or non-symptomatic presentations. Diagnosis requires the presence of duodenal chronic inflammation, and most patients have circulating antibodies against tissue transglutaminase. Our understanding of the basic and clinical aspects of CD increases, which is as a major health problem of almost global occurrence. Case finding, distinguishing CD from other gluten-sensitive conditions, better care, and balanced use of resources are the current challenges
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  • 13
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    Bile Duct Cancer (2019)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781789238761 , 9781789238754 , 9781839622151
    Language: Undetermined
    Pages: 1 Online-Ressource (112 p.)
    Keywords: Oncology
    Abstract: Cholangiocarcinoma is a type of malignant tumor that affects the biliary system. It can arise anywhere in the bile ducts, manifesting itself as obstructive jaundice. It has an annual incidence of 1-2 cases per 100,000 people. One variety of the disease, the Klatskin tumor, occurs in the hepatic hilum and is characterized by poor prognosis. Generally, cholangiocarcinomas are slow-growing tumors with late metastases. Localized tumors are treated surgically, but intervention is discouraged when they are extensive. The disease affects both sexes, but most cases occur in patients aged over 60 years. Primary sclerosing cholangitis, chronic biliary infection, and choledochal cysts are associated with an increased risk of cholangiocarcinoma
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  • 14
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    Iron Deficiency Anemia (2019)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781789854442 , 9781789854435 , 9781838806422
    Language: Undetermined
    Pages: 1 Online-Ressource (124 p.)
    Keywords: Haematology
    Abstract: Iron deficiency (ID) and iron deficiency anemia (IDA) are prevalent conditions all over the world. The groups at highest risk are children, pre-menopausal women and socially disadvantaged people. Diagnose of ID using a full blood examination and iron studies can be difficulted by concomitant inflammation. Management of ID involves identification and treatment of its cause, as well as effective iron replacement. Patients who fail to respond to iron replacement will performed an endoscopy to exclude internal bleeding. Both enteral and parenteral iron are effective at replacing iron. For adult patients, we recommend trialling daily oral iron (30-100 mg of iron) as the first-line therapy. Patients who fail to respond to oral iron replacement can be safely managed with intravenous iron
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  • 15
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    Arsenic : Analytical and Toxicological Studies (2018)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781789235173 , 9781789235166 , 9781838816469
    Language: Undetermined
    Pages: 1 Online-Ressource (90 p.)
    Keywords: Inorganic chemistry
    Abstract: Arsenic - Analytical and Toxicological Studies is a collection of original works focused on arsenic occurrence and chemistry, methods for arsenic determination and removal and arsenic toxicity and health risks. The most commonly used techniques for arsenic quantification and speciation, such as atomic absorption spectrometry, inductively coupled plasma-mass spectrometry, and inductively coupled plasma-emission spectrometry, among others, and the various procedures applied for arsenic separation and removal are exhaustively described. The mechanism of arsenic-induced toxicology, involving arsenic interaction with critical thiols in proteins and the health risks associated with exposure to arsenic, is also discussed
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  • 16
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    Liver Research and Clinical Management (2018)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781789230918 , 9781789230901 , 9781838814724
    Language: Undetermined
    Pages: 1 Online-Ressource (248 p.)
    Keywords: Hepatology
    Abstract: Hepatology is the medical specialty that studies the normal functioning of the liver and its diseases. It has experienced a steady progress in recent decades, as well as occurred in other medical specialties. It deals with the acute and chronic inflammatory processes of the liver, among which is the viral hepatitis. Recently, very effective drugs have been introduced in this field that achieves the elimination of the hepatitis C virus in the great majority of patients. Nonalcoholic steatohepatitis has increased markedly worldwide especially in Western countries in relation to overweight, diabetes, and other metabolic conditions. Cirrhosis and its complications are better managed, and patients live longer, thanks also to the earlier detection of hepatocarcinoma and the generalization of the use of liver transplants. This book deals with all of these interesting topics, thanks to the excellent collaboration of a great group of specialists that have collaborated with their knowledge and expertise in this edition
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  • 17
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    Advances in Pancreatic Cancer (2018)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9781789236415 , 9781789236408 , 9781838816834
    Language: Undetermined
    Pages: 1 Online-Ressource (224 p.)
    Keywords: Oncology
    Abstract: Pancreatic cancer is a growing source of cancer-related death and has poor survival rates, which have not improved in the last few decades. Its high-mortality rate is attributed to pancreatic cancer biology, difficulty in early diagnosis, and lack of standardized international guidelines in assessing the pancreatic masses. This book aims to provide an update in the current state of play in pancreatic cancer diagnosis and to evaluate the benefits and limitations of the available diagnostic technology and therapy. The main modalities for diagnosis are imaging with HCT, MRI, USE, and PET. Some chapters review the improvements in the techniques used. Timely and accurate diagnosis of pancreatic cancer can lead to improve in the current poor outcome of this disease
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  • 18
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    Ascites : Physiopathology, Treatment, Complications and Prognosis (2017)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789535136149 , 9789535136132 , 9789535145998
    Language: Undetermined
    Pages: 1 Online-Ressource (174 p.)
    Keywords: Hepatology
    Abstract: The term "ascites" is from the Greek word askites meaning "baglike." Although most commonly due to cirrhosis, severe liver disease or metastatic cancer, its presence can be a sign of other significant medical problems, such as Budd-Chiari syndrome. Diagnosis of the cause is usually done with blood tests, an ultrasound scan of the abdomen, and direct removal of the fluid by a needle or paracentesis (which may also be therapeutic). Treatment using medications (diuretics), external drainage, or other treatments is clearly defined. In this book, the authors describe the physiopathology of the diverse causes of ascites,the types of treatments recommended, the recent advances achieved, the complications and the prognosis of the different clinical situations that doctors must face
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  • 19
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    Celiac Disease and Non-Celiac Gluten Sensitivity (2017)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789535131786 , 9789535131779 , 9789535147992
    Language: Undetermined
    Pages: 1 Online-Ressource (144 p.)
    Keywords: Hepatology
    Abstract: This book contains recent advances about CD and NCGS written in eight chapters and is divided in three sections. In the first section, the main hallmarks of both diseases are described, together with the current diagnostic criteria of CD and its influence on the response to the vaccination against hepatitis B virus infection. The second section is dedicated to the description of several techniques for gluten determination in foods and if its consumption is good for nonceliac people. Finally, the third section contains complementary information related to the description and application of novel endoscopic techniques for confirming the diagnosis of CD. Another topic describes the growing consumption of gluten-free products and the adherence to this type of diet
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  • 20
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    Human Helminthiasis (2017)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789535129547 , 9789535129530 , 9789535173403
    Language: Undetermined
    Pages: 1 Online-Ressource (158 p.)
    Keywords: Infectious & contagious diseases
    Abstract: Human helminthiasis, known as worm infections, is any macroparasitic disease affecting humans, in which a part of the body is invaded by a lot of worms, known as helminths. They are broadly classified into flukes, tapeworms, and roundworms. Soil-transmitted helminthiasis and schistosomiasis are the most important, being included into the neglected tropical diseases. Helminthiasis has been found to result in poor birth outcome, less cognitive development, lower school and work performance, lower socioeconomic development, and poverty. Soil-transmitted helminthiases are responsible for parasitic infections in as much as a quarter of the human population worldwide. This group of infective diseases has been targeted under the joint action of the world's leading pharmaceutical companies and local governments, trying to achieve their eradication
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  • 21
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    Applications of the Voltammetry (2017)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789535132165 , 9789535132158 , 9789535148081
    Language: Undetermined
    Pages: 1 Online-Ressource (162 p.)
    Keywords: Analytical chemistry
    Abstract: The present book Applications of Voltammetry is a collection of six chapters, organized in two sections. The first book section is dedicated to the application of mathematical methods, such as multivariate calibration coupled with voltammetric data and numeric simulation to solve quantitative electroanalytical problems. The second book section is devoted to the electron transfer kinetic studies and electroanalytical applications of the voltammetry, such as interfacial electron transfer of the haem group in human haemoglobin molecules, physisorbed on glass-/tin-doped indium oxide substrates, analysis of dyes and metal ions in trace concentrations and characterization of the antioxidant properties of wine and wine products, using a variety of voltammetric techniques and electrodes. The most recent trends and advances in voltammetry are professionally commented
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  • 22
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    Lab-on-a-Chip Fabrication and Application (2016)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789535124580 , 9789535124573 , 9789535157823
    Language: English
    Pages: 1 Online-Ressource (208 p.)
    Keywords: Condensed matter physics (liquid state & solid state physics)
    Abstract: The necessity of on-site, fast, sensitive, and cheap complex laboratory analysis, associated with the advances in the microfabrication technologies and the microfluidics, made it possible for the creation of the innovative device lab-on-a-chip (LOC), by which we would be able to scale a single or multiple laboratory processes down to a chip format. The present book is dedicated to the LOC devices from two points of view: LOC fabrication and LOC application
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  • 23
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    Colorectal Cancer : From Pathogenesis to Treatment (2016)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789535125457 , 9789535125440 , 9789535141846
    Language: Undetermined
    Pages: 1 Online-Ressource (440 p.)
    Keywords: Gastrointestinal & colorectal surgery
    Abstract: Colorectal cancer (CRC) is a major health problem because it represents around 10% of all cancers and achieves a worldwide estimate of 1.4 million newly diagnosed cases annually, resulting in approximately 700,000 deaths. Approximately 19-31% of patients present liver metastases. At diagnosis, a further 23-38% will develop extra-hepatic disease. Over the past decade, the widespread use of modern chemotherapeutic and biological agents, combined with laparoscopic surgical techniques, has improved the prognosis of metastatic CRC. A better understanding of the biology of the tumor, along with high efficiency of diagnostic and therapeutic methods, as well as the spread of screening programs, will improve the survival of the CRC patients in the near future
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  • 24
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    Acute and Chronic Pancreatitis (2015)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789535120261 , 9789535172321
    Language: English
    Pages: 1 Online-Ressource (234 p.)
    Keywords: Endocrinology
    Abstract: The inflammatory procceses of pancreatic gland can be acute and chronic. Acute pancreatitis constitutes the majority of cases requiring hospital admission in gastroenterology. We are yet to discover many things about its pathophysiology, which is a certain drawback for the progress in its treatment. Prediction of severity is necessary for the management plan. However, our progress in the field was significant in the recent decade and a leap forward is expected in this cumbersome condition which has many unmet needs. Chronic pancreatitis is a progressive inflammatory disease characterized by debilitating pain and pancreatic insufficiency. Although medical treatment and endoscopic interventions are primarily offered to patients with chronic pancreatitis, approximately around 50% will ultimately require palliative surgery
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  • 25
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    Agricultural Chemistry (2013)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9789535110262 , 9789535150312
    Language: English
    Pages: 1 Online-Ressource (224 p.)
    Keywords: Agricultural science
    Abstract: The present book is a collection of ten original research articles and reports, associated with selected topics in agricultural chemistry. The discussed issues are organized in four sections: Classification and labeling of active substances in plant protection products, Environmental and stress plant physiology and behavior, Antimicrobial and antioxidant potential of plant extracts, and Pollutants analysis and effects. The information provided in this book should be of interest for academic researchers and for agriculturalists
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  • 26
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    Acute Pancreatitis (2012)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9789533079844 , 9789535167792
    Language: English
    Pages: 1 Online-Ressource (302 p.)
    Keywords: Endocrinology
    Abstract: Acute Pancreatitis (AP) in approximately 80% of cases, occurs as a secondary complication related to gallstone disease and alcohol misuse. However there are several other different causes that produce it such as metabolism, genetics, autoimmunity, post-ERCP, and trauma for example... This disease is commonly associated with the sudden onset of upper abdominal pain that is usually severe enough to warrant the patient seeking urgent medical attention. Overall, 10-25% of AP episodes are classified as severe. This leads to an associated mortality rate of 7-30% that has not changed in recent years. Treatment is conservative and generally performed by experienced teams often in ICUs. Although most cases of acute pancreatitis are uncomplicated and resolve spontaneously, the presence of complications has a significant prognostic importance. Necrosis, hemorrhage, and infection convey up to 25%, 50%, and 80% mortality, respectively. Other complications such as pseudocyst formation, pseudo-aneurysm formation, or venous thrombosis, increase morbidity and mortality to a lesser degree. The presence of pancreatic infection must be avoided
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  • 27
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    Pesticides in the Modern World : Trends in Pesticides Analysis (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9789533074375 , 9789535151548
    Language: English
    Pages: 1 Online-Ressource (528 p.)
    Keywords: Pest control
    Abstract: The book offers a professional look on the recent achievements and emerging trends in pesticides analysis, including pesticides identification and characterization. The 20 chapters are organized in three sections. The first book section addresses issues associated with pesticides classification, pesticides properties and environmental risks, and pesticides safe management, and provides a general overview on the advanced chromatographic and sensors- and biosensors-based methods for pesticides determination. The second book section is specially devoted to the chromatographic pesticides quantification, including sample preparation. The basic principles of the modern extraction techniques, such as: accelerated solvent extraction, supercritical fluid extraction, microwave assisted extraction, solid phase extraction, solid phase microextraction, matrix solid phase dispersion extraction, cloud point extraction, and QuEChERS are comprehensively described and critically evaluated. The third book section describes some alternative analytical approaches to the conventional methods of pesticides determination. These include voltammetric techniques making use of electrochemical sensors and biosensors, and solid-phase spectrometry combined with flow-injection analysis applying flow-based optosensors
    Note: English
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  • 28
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    Pesticides in the Modern World : Effects of Pesticides Exposure (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9789533074542 , 9789535151654
    Language: English
    Pages: 1 Online-Ressource (390 p.)
    Keywords: Pest control
    Abstract: The introduction of the synthetic organochlorine, organophosphate, carbamate and pyrethroid pesticides by 1950's marked the beginning of the modern pesticides era and a new stage in the agriculture development. Evolved from the chemicals designed originally as warfare agents, the synthetic pesticides demonstrated a high effectiveness in preventing, destroying or controlling any pest. Therefore, their application in the agriculture practices made it possible enhancing crops and livestock's yields and obtaining higher-quality products, to satisfy the food demand of the continuously rising world's population. Nevertheless, the increase of the pesticide use estimated to 2.5 million tons annually worldwide since 1950., created a number of public and environment concerns. This book, organized in two sections, addresses the various aspects of the pesticides exposure and the related health effects. It offers a large amount of practical information to the professionals interested in pesticides issues
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  • 29
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    Pesticides in the Modern World : Pesticides Use and Management (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9789533074597 , 9789535144151
    Language: Undetermined
    Pages: 1 Online-Ressource (534 p.)
    Keywords: Pest control
    Abstract: This book brings together issues on pesticides and biopesticides use with the related subjects of pesticides management and sustainable development. It contains 24 chapters organized in three sections. The first book section supplies an overview on the current use of pesticides, on the regulatory status, on the levels of contamination, on the pesticides management options, and on some techniques of pesticides application, reporting data collected from all over the world. Second section is devoted to the advances in the evolving field of biopesticides, providing actual information on the regulation of the plant protection products from natural origin in the European Union. It reports data associated with the application of neem pesticides, wood pyrolysis liquids and bacillus-based products. The third book section covers various aspects of pesticides management practices in concert with pesticides degradation and contaminated sites remediation technologies, supporting the environmental sustainability
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  • 30
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    Biodiesel : Quality, Emissions and By-Products (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9789533077840 , 9789535144021
    Language: Undetermined
    Pages: 1 Online-Ressource (394 p.)
    Keywords: Alternative & renewable energy sources & technology
    Abstract: This book entitled "Biodiesel: Quality, Emissions and By-products" covers topics related to biodiesel quality, performance of combustion engines that use biodiesel and the emissions they generate. New routes to determinate biodiesel properties are proposed and the process how the raw material source, impurities and production practices can affect the quality of the biodiesel is analyzed. In relation to the utilization of biofuel, the performance of combustion engines fuelled by biodiesel and biodiesels blends are evaluated. The applications of glycerol, a byproduct of the biodiesel production process as a feedstock for biotechnological processes, and a key compound of the biorefinery of the future is also emphasized
    Note: English
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  • 31
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    Pesticides : The Impacts of Pesticides Exposure (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9789533075310 , 9789535145257
    Language: Undetermined
    Pages: 1 Online-Ressource (460 p.)
    Keywords: Pest control
    Abstract: Pesticides are supposed to complete their intended function without "any unreasonable risk to man or the environment". Pesticides approval and registration are performed "taking into account the economic, social and environmental costs and benefits of the use of any pesticide". The present book documents the various adverse impacts of pesticides usage: pollution, dietary intake and health effects such as birth defects, neurological disorders, cancer and hormone disruption. Risk assessment methods and the involvement of molecular modeling to the knowledge of pesticides are highlighted, too. The volume summarizes the expertise of leading specialists from all over the world
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  • 32
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    Pesticides in the Modern World : Pests Control and Pesticides Exposure and Toxicity Assessment (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9789533074573 , 9789535144267
    Language: Undetermined
    Pages: 1 Online-Ressource (628 p.)
    Keywords: Pest control
    Abstract: The present book is a collection of selected original research articles and reviews providing adequate and up-to-date information related to pesticides control, assessment, and toxicity. The first section covers a large spectrum of issues associated with the ecological, molecular, and biotechnological approaches to the understanding of the biological control, the mechanism of the biocontrol agents action, and the related effects. Second section provides recent information on biomarkers currently used to evaluate pesticide exposure, effects, and genetic susceptibility of a number of organisms. Some antioxidant enzymes and vitamins as biochemical markers for pesticide toxicity are examined. The inhibition of the cholinesterases as a specific biomarker for organophosphate and carbamate pesticides is commented, too. The third book section addresses to a variety of pesticides toxic effects and related issues including: the molecular mechanisms involved in pesticides-induced toxicity, fish histopathological, physiological, and DNA changes provoked by pesticides exposure, anticoagulant rodenticides mode of action, the potential of the cholinesterase inhibiting organophosphorus and carbamate pesticides, the effects of pesticides on bumblebee, spiders and scorpions, the metabolic fate of the pesticide-derived aromatic amines, etc
    Note: English
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  • 33
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    Pesticides in the Modern World : Risks and Benefits (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789533074580 , 9789535144250
    Language: Undetermined
    Pages: 1 Online-Ressource (574 p.)
    Keywords: Pest control
    Abstract: This book is a compilation of 29 chapters focused on: pesticides and food production, environmental effects of pesticides, and pesticides mobility, transport and fate. The first book section addresses the benefits of the pest control for crop protection and food supply increasing, and the associated risks of food contamination. The second book section is dedicated to the effects of pesticides on the non-target organisms and the environment such as: effects involving pollinators, effects on nutrient cycling in ecosystems, effects on soil erosion, structure and fertility, effects on water quality, and pesticides resistance development. The third book section furnishes numerous data contributing to the better understanding of the pesticides mobility, transport and fate. The addressed in this book issues should attract the public concern to support rational decisions to pesticides use
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  • 34
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    Biodiesel : Feedstocks and Processing Technologies (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
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    ISBN: 9789533077130 , 9789535144076
    Language: Undetermined
    Pages: 1 Online-Ressource (472 p.)
    Keywords: Alternative & renewable energy sources & technology
    Abstract: The book "Biodiesel: Feedstocks and Processing Technologies" is intended to provide a professional look on the recent achievements and emerging trends in biodiesel production. It includes 22 chapters, organized in two sections. The first book section: "Feedstocks for Biodiesel Production" covers issues associated with the utilization of cost effective non-edible raw materials and wastes, and the development of biomass feedstock with physical and chemical properties that facilitate it processing to biodiesel. These include Brassicaceae spp., cooking oils, animal fat wastes, oleaginous fungi, and algae. The second book section: "Biodiesel Production Methods" is devoted to the advanced techniques for biodiesel synthesis: supercritical transesterification, microwaves, radio frequency and ultrasound techniques, reactive distillation, and optimized transesterification processes making use of solid catalysts and immobilized enzymes. The adequate and up-to-date information provided in this book should be of interest for research scientist, students, and technologists, involved in biodiesel production
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  • 35
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    Pesticides : Strategies for Pesticides Analysis (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9789533074603 , 9789535145233
    Language: Undetermined
    Pages: 1 Online-Ressource (418 p.)
    Keywords: Pest control
    Abstract: This book provides recent information on various analytical procedures and techniques, representing strategies for reliability, specificity, selectivity and sensitivity improvements in pesticides analysis. The volume covers three main topics: current trends in sample preparation, selective and sensitive chromatographic detection and determination of pesticides residues in food and environmental samples, and biological (immunoassays-and biosensors-based) methods application in pesticides analysis as an alternative to the chromatographic methods for "in situ" and "on line" pesticides quantification. Intended as electronic edition, providing an immediate "open access" to its content, the book is easy to follow and will be of interest to the professionals involved in pesticides analysis
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  • 36
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    Pesticides : Formulations, Effects, Fate (2011)
    [Erscheinungsort nicht ermittelbar] : IntechOpen
    Details
    ISBN: 9789533075327 , 9789535145240
    Language: Undetermined
    Pages: 1 Online-Ressource (824 p.)
    Keywords: Pest control
    Abstract: This book provides an overview on a large variety of pesticide-related topics, organized in three sections. The first part is dedicated to the "safer" pesticides derived from natural materials, the design and the optimization of pesticides formulations, and the techniques for pesticides application. The second part is intended to demonstrate the agricultural products, environmental and biota pesticides contamination and the impacts of the pesticides presence on the ecosystems. The third part presents current investigations of the naturally occurring pesticides degradation phenomena, the environmental effects of the break down products, and different approaches to pesticides residues treatment. Written by leading experts in their respective areas, the book is highly recommended to the professionals, interested in pesticides issues
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