Neurological diseases such as cancers,
neurodegenerative diseases, infections, pain, and
psychiatric disorders are a leading cause of disability,
morbidity, and mortality, affecting more than 1.5 billion
people worldwide, with the number rising if curative
treatments fail to emerge (Lalatsa & Barbu, 2016). Delivery
of therapeutics to the brain is difficult, as the vast majority
of therapeutic agents are excluded from the brain by the
blood brain barrier (BBB). Poor delivery to the brain
remains the bottleneck in the development of central nervous
system therapies (Pardridge, 2005) resulting in long
drug development times and a high failure rate in clinical.
-4%
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PRODUCT DETAILS
- Publisher : Book Rivers (June 2021)
- Language : English
- Paperback : 286 pages
- ISBN: 978-93-91000-97-4
- Country: India
- Website: www.bookrivers.com
10 in stock
Description
Additional information
| Weight | 300 g |
|---|---|
| Dimensions | 6 × 9 × 9 cm |
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DENTAL IMPLANT IMAGING
Computed tomography (CT) has been the gold
standard for many years as the information provided is
three-dimensional and generally very accurate. However,
CT examinations are expensive and deliver a relatively
high radiation dose to the patient. The latest imaging
modality introduced is cone beam volumetric tomography
(CBVT) and this technology is very promising with regard
to pre-implant imaging.
A Mirror of General English For class x
Dear Students at this level are supposed to have some fundamental knowledge of English grammar. This book helps students to improve their grammar knowledge, expanding their vocabulary, and becoming more confident in following expressing themselves in English.
RETAIL STORE MANAGEMENT
Retail comes from the French word retailler. It was
used with the meaning of "sale in small quantities" in 1433.
Retail is the last phase of an economic activity. As per
Philip Kotler, Retailing includes all the activities involved
in selling goods or services to the final consumers for
personal or non-business use. It is those business firms in
distribution channel that comes at the end of the pipeline
connecting manufacturers and customers.
कामकाजी माताएँ एवं किशोर
कुछ शोध परिणामों से यह ज्ञात हुआ है कि व्यवसाय का प्रकार, व्यवसाय की स्थिति/पद तथा माता का व्यवसाय से समझौते का स्तर, माता की क्रियाओं की गुणवत्ता तथा बालकों की देख-रेख के स्तर में महत्वपूर्ण भूमिका का निर्वाह करता है। इस सम्बन्ध में हाॅफमैन (1989) बताते हैं कि व्यवसायरत् माताओं की कि‛ाोर बालिकायें सामाजिक रूप से अपने आपको अधिक समर्थ पाती हैं। उनके आत्मवि‛वास, आत्म उपयुक्ततता एवं स्वतंत्रता की भावना में बढ़ोत्तरी होती है। यही तथ्य बालकों के लिए अलग होता है क्योंकि माताओं का व्यवसायरत् होना कि‛ाोर बालकों पर अलग प्रकार का प्रभाव डालता है। इसके विपरीत बहुत ही सफलतम परिवारों में व्यवसायरत् माताओं के कि‛ाोरों की बुद्धिलब्धि तथा पहचान अधिक उच्च कोटि की होती है। यह विपरीत प्रभाव कई कारणों से प्रभावित होता है।
BIO MATERIALS FOR DENTAL IMPLANTS
Many surgical procedures have been developed to restore more favorable anatomy for prosthesis support. They include vestibuloplasty, Vestibuloplasty with skin or mucosal grafting; and augmentation with bone grafting procedures. These procedures offered short-term improvement to denture stability and retention; however none showed long-term clinical success. Hence implant dentistry had evolved into a reasonably predictable treatment modality for the majority of such patients
During Covid-19 Pandemic: A Glance
PRODUCT DETAILS
- ISBN : 978-93-90548-04-0
- Publisher : Book River (10 March 2021)
- Language : English
- Dimensions : 12 x 2 x 21 cm
- Country of Origin : India
- Pages : 245
Fracture Behavior of Biological Materials and Interfaces
Fracture Behavior of Inhomogeneous Biological Materials and Interfaces
Biological materials like bone, nacre, human tooth layers are inhomogeneous materials made up of soft collagen, and hard, hydroxyapatite (HAP) mineral arranged in such a fashion so that these materials have higher strength and toughness, the measure of crack resisting behavior in materials, at the same time, which is exclusive in nature for different class of materials available for different application areas. The interfaces in these biological materials are designed in such a fashion so that the load transfer between the constituents takes place so smoothly, therefore, become a region of strength, not susceptible to failure like in other man-made materials and composites. It is important to understand these aspects of biological materials so that they can be mimicked to the novel materials to satisfy the growing need of different industries.
This work is focused on studying different layers of human tooth, and its interface for crack initiation and growth, the crack arresting behavior of the interface layer of the outer cover of human tooth, the enamel, and the inner, dentine, called dentine enamel junction. These works are done by developing a numerical model using the commercial finite element analysis tool, ABAQUS. The crack growth pattern of the enamel and the dentine has also been investigated. The role of porosity and permeability on the energy release rate which is the measure of fracture toughness has also been investigated. The key features of the book are:
- Study on the role of shear modulus of the defect and the matrix material in which the defect is embedded on the energy release rate.
- The role of small coating layer between the outer matrix and the inner layer on the fracture behavior, especially the stress concentrations in these different layers due to change in the elastic modulus.
- The crack growth pattern in human enamel, the outer tooth layer.
- The crack arresting phenomena of the interfacial, dentine enamel junction (DEJ).
- The role of porosity and permeability on the energy release rate in the inner layer of human tooth, dentine.
ANALOG ELECTRONICS
A better device is the triac, bidirectional thyristor, which allows the full a.c. power to be controlled. It comprises two thyristors connected in parallel and working in opposition but controlled by the same gate. The trigger pulses to a triac are provided by a special device called diac, bidirectional breakdown diode. It is, in effect, two Zener diodes connected back to back. The diac conducts in either direction if the applied voltage reaches the breakdown voltage of about 30 V. This
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