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Design dell'impianto e distribuzione delle sollecitazioni

Design dell'impianto e distribuzione delle sollecitazioni

Raziya Perween; Vikram Blaggana; Preeti Upadhyay

Edizioni Sapienza
2023
pokkari
Lo sviluppo di un sostituto ideale per il dente mancante stato uno dei principali obiettivi dei dentisti per millenni. L'obiettivo dell'odontoiatria moderna quello di riportare il dente del paziente a un profilo, una funzione, un comfort, un'estetica e un linguaggio normali. L'implantologia unica in quanto raggiunge tutti gli obiettivi. Gli impianti dentali sono viti biocompatibili in titanio che vengono inserite chirurgicamente nella mascella e nella mandibola per sostituire i denti mancanti. Il design dell'impianto (materiale, dimensione e struttura) un fattore importante che influenza la stabilit dell'impianto e lo stress generato nell'osso circostante.
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Designs de implantes e distribuição de tensões

Designs de implantes e distribuição de tensões

Raziya Perween; Vikram Blaggana; Preeti Upadhyay

Edicoes Nosso Conhecimento
2023
pokkari
O desenvolvimento de um substituto ideal para um dente perdido tem sido um dos principais objectivos dos dentistas desde h mil nios. O objetivo da medicina dent ria moderna restaurar o dente do paciente para o contorno, a fun o, o conforto, a est tica e a fala normais. A implantologia dent ria nica, pois permite atingir todos os objectivos. Os implantes dent rios s o parafusos biocompat veis, como o tit nio, que s o colocados cirurgicamente na maxila e na mand bula para substituir um dente perdido. O desenho do implante (material, dimens o e estrutura) um fator importante que afecta a estabilidade do implante e a tens o gerada no osso circundante.
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Transdermales Pflaster für ein blutdrucksenkendes Medikament

Transdermales Pflaster für ein blutdrucksenkendes Medikament

Pavan Kumar Yadav; Deepak Kumar; Preeti Pal

Verlag Unser Wissen
2024
pokkari
Das Szenario der Forschung war die Entwicklung eines Polymermatrix-Diffusionskontrollierten transdermalen Wirkstoffabgabesystems, das den Wirkstoff Telmisartan mit einem unterschiedlichen Verh ltnis von hydrophilem (HPMC) und lipophilem (EC, Eudragit RS 100) Polymersystem durch L sungsmittelgie technik auf Aluminiumfolie enth lt, wobei 30% w/v Dibutylphthalat des Polymergewichts als Weichmacher und 20% w/v, 30% w/v Dimethylsulfoxid (Polymergewicht) als Permeationsverst rker f r die transdermale Wirkstofffreisetzung verwendet wurden. Insgesamt neun Formulierungen wurden unter Verwendung desselben Arzneimittels und verschiedener Polymeranteile entwickelt. Alle transdermalen Pflaster wurden physikochemisch bewertet: Dicke, Gewichtsvariation, prozentuale Feuchtigkeitsaufnahme, prozentualer Feuchtigkeitsverlust, Faltfestigkeit, Flachheit, Wirkstoffgehalt und prozentuale Wirkstofffreisetzung. . Die In-vitro-Permeationsstudie wurde mit Diffusionszellen durchgef hrt. Die maximale prozentuale Wirkstofffreisetzung in vitro wurde bis zu 48 Stunden mit der Formulierung F8 beobachtet, die HPMC: EC: Eudragit RS 100 im Verh ltnis (5:0:1) enth lt.
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Patch transdermique d'un médicament antihypertenseur

Patch transdermique d'un médicament antihypertenseur

Pavan Kumar Yadav; Deepak Kumar; Preeti Pal

Editions Notre Savoir
2024
pokkari
Le sc nario de cette recherche tait de d velopper un syst me de d livrance de m dicaments transdermique matrice polym re contr l par diffusion contenant le m dicament Telmisartan avec diff rents ratios de syst mes polym res hydrophiles (HPMC) et lipophiles (EC, Eudragit RS 100) par la technique de coul e de solvant sur une feuille d'aluminium en utilisant 30% w/v de Dibutyl Phthalate du poids polym re, incorpor comme plastifiant et 20% w/v, 30% w/v de Dimethyl Sulfoxide (poids polym re) a t utilis comme am liorateur de perm ation pour la lib ration de m dicaments transdermiques. Au total, neuf formulations ont t d velopp es en utilisant le m me m dicament et diff rents ratios de polym res. Tous les patchs transdermiques ont fait l'objet d'une valuation physicochimique portant sur l' paisseur, la variation de poids, le % d'absorption d'humidit , le % de perte d'humidit , l'endurance au pliage, la plan it , la teneur en m dicament et le % de lib ration du m dicament. . L' tude de perm ation invitro a t r alis e l'aide de cellules de diffusion. La lib ration maximale du m dicament a t observ e jusqu' 48 heures avec la formulation F8 contenant du HPMC, de l'EC et de l'Eudragit RS 100 dans un rapport de 5:0:1.
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Patch transdermico di un farmaco antipertensivo

Patch transdermico di un farmaco antipertensivo

Pavan Kumar Yadav; Deepak Kumar; Preeti Pal

Edizioni Sapienza
2024
pokkari
Lo scenario della ricerca stato quello di sviluppare un sistema di rilascio transdermico di farmaci a matrice polimerica a diffusione controllata, contenente il farmaco Telmisartan con un diverso rapporto tra sistema polimerico idrofilo (HPMC) e lipofilo (EC, Eudragit RS 100), mediante la tecnica di colata con solvente su un foglio di alluminio, utilizzando il 30% w/v di Dibutyl Phthalate del peso polimerico, incorporato come plastificante e il 20% w/v, il 30% w/v di Dimethyl Sulfoxide (peso polimerico) stato utilizzato come potenziatore della permeazione per il rilascio transdermico del farmaco. In totale sono state sviluppate nove formulazioni, utilizzando lo stesso farmaco e diversi rapporti polimerici. Tutti i cerotti transdermici sono stati valutati dal punto di vista fisico-chimico con spessore, variazione di peso, % di assorbimento di umidit , % di perdita di umidit , resistenza alla piegatura, planarit , contenuto di farmaco e % di rilascio di farmaco. . Lo studio di permeazione invitro stato eseguito con celle di diffusione. Il rilascio massimo di farmaco in invitro stato osservato fino a 48 ore con la formulazione F8 contenente HPMC: EC: Eudragit RS 100 in rapporto (5:0:1).
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Patch transdérmico de um medicamento anti-hipertensivo

Patch transdérmico de um medicamento anti-hipertensivo

Pavan Kumar Yadav; Deepak Kumar; Preeti Pal

Edicoes Nosso Conhecimento
2024
pokkari
O objetivo da investiga o foi desenvolver um sistema de administra o transd rmica controlada por difus o de matriz polim rica contendo o f rmaco Telmisartan com diferentes propor es de sistema polim rico hidrof lico (HPMC) e lipof lico (EC, Eudragit RS 100) atrav s da t cnica de moldagem por solvente em folha de alum nio, utilizando 30% p/v de ftalato de dibutilo do peso polim rico, incorporado como plastificante e 20% p/v, 30% p/v de dimetilsulf xido (peso polim rico) como potenciador de permea o para a liberta o transd rmica do f rmaco. No total, foram desenvolvidas nove formula es utilizando o mesmo f rmaco e diferentes r cios de pol meros. Todos os adesivos transd rmicos foram avaliados do ponto de vista f sico-qu mico com a espessura, varia o de peso, % de absor o de humidade, % de perda de humidade, resist ncia dobragem, planicidade, teor de f rmaco e % de liberta o de f rmaco. . O estudo de permea o invitro foi efectuado por c lulas de difus o. A % m xima de liberta o de f rmaco foi observada at 48 horas com a formula o F8 contendo HPMC: EC: Eudragit RS 100 na propor o de (5:0:1).
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Smart Materials

Smart Materials

Ankita Kumari; Vineeta Nikhil; Preeti Mishra

Lap Lambert Academic Publishing
2025
pokkari
Dental materials, used to restore tooth form, function, and integrity, include preventive, restorative, and auxiliary materials. Preventive materials protect against caries, such as fluoride varnishes, while restorative materials repair or replace damaged teeth, like composites and ceramics. Auxiliary materials aid in the fabrication of dental devices but do not become part of the final product, such as impression materials. Historically, dental restorations involved materials like cork, ivory, and metal foils. Over time, materials evolved, moving from gold and silver amalgam to tooth-colored options like composites and ceramics. Despite their development, traditional materials had limitations, such as poor mechanical properties and low biological compatibility. The introduction of smart materials in the 1980s revolutionized dentistry. These materials respond to environmental stimuli like stress, temperature, or pH, making them highly adaptable. Smart materials can be bioinert, bioactive, or bio responsive, with the latter reacting to changes in the environment. Examples include pH-sensitive composites, shape-memory alloys, thermochromic materials, and piezoelectric materials.
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Gate 2022 Life Science Zoology- Guide by Dr. Prabhanshu Kumar, Dr. Nibedita Mukhopadhyay

Gate 2022 Life Science Zoology- Guide by Dr. Prabhanshu Kumar, Dr. Nibedita Mukhopadhyay

Prabhanshu Kumar; Er. Preeti T. Kumar

G. K. Publications
2022
nidottu
Lakhs of students write the GATE exam annually. The level of competition is fierce, owing to the increasing competition every year for a limited number of seats. If you are a serious aspirant, it is advisable to prepare for GATE with the right books. A major game-changer is the habit to practice and revise the concepts and this is why our GATE 2022 Prep Series: Life Science- Zoology is your best bet to be GATE ready The entire book has been divided into units. These units are divided into chapters, further segmented into topics. The questions given with the unit have detailed answers, supported by in-depth explanations and diagrams. With the right effort and proper guidance, we're sure that you will be able to face GATE 2022 confidently. Features: In-depth coverage of topics from all sections 1650+ objective type questions Ample questions supplemented with solutions and diagrams Complete GATE 2016-21 Solved Papers 3 full-length mock tests.
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A Thousand Beginnings and Endings

A Thousand Beginnings and Endings

Ellen Oh; Elsie Chapman; Renée Ahdieh; Sona Charaipotra; Preeti Chhibber; Roshani Chokshi; Aliette De Bodard; Melissa de la Cruz; Julie Kagawa; Rahul Kanakia; Lori M. Lee; E. C. Myers; Cindy Pon; Aisha Saeed; Shveta Thakrar; Alyssa Wong

Greenwillow Books
2020
nidottu
Sixteen extraordinary authors—including New York Times bestsellers Melissa de la Cruz, Renée Ahdieh, and Julie Kagawa—reimagine the folklore and mythology of East and South Asia in short stories that are by turns enchanting, heartbreaking, romantic, and passionate. This exquisite paperback anthology includes an original bonus story from Ellen Oh. In a starred review, Publishers Weekly called A Thousand Beginnings and Endings a “must-read.” A mountain loses her heart. Two sisters transform into birds to escape captivity. A young man learns the true meaning of sacrifice. A young woman takes up her mother’s mantle and leads the dead to their final resting place.Bestselling and award-winning authors explore the timeless themes of East and South Asian lore in sixteen original stories that will appeal to every reader. From fantasy to science fiction to contemporary, from romance to tales of revenge, these stories will beguile readers from start to finish. Edited by We Need Diverse Books co-founder Ellen Oh and Elsie Chapman, this anthology contains stories from sixteen Asian and South Asian authors, including New York Times bestsellers and award-winners. In a starred review, Kirkus called it an “incredible anthology that will keep readers on the edges of their seats, wanting more.”Featuring:Renée Ahdieh, Elsie Chapman, Sona Charaipotra, Preeti Chhibber, Roshani Chokshi, Aliette de Bodard, Melissa de la Cruz, Julie Kagawa, Rahul Kanakia, Lori M. Lee, E. C. Myers, Cindy Pon, Aisha Saeed, Shveta Thakrar, Alyssa Wong, and a new original story by Ellen Oh.
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Diagnosis and Treatment of Rare Gynecologic Cancers

Diagnosis and Treatment of Rare Gynecologic Cancers

Michael Frumovitz; Mario M. Leitao Jr.; Preetha Ramalingam

Elsevier - Health Sciences Division
2022
sidottu
Offering a one-stop guide to recognition and therapeutic decision making, Diagnosis and Treatment of Rare Gynecologic Cancers fills a gap in the medical literature on uncommon ovarian, uterine, cervical, and vulvovaginal cancers and trophoblastic diseases. This authoritative text, edited by Drs. Michael Frumovitz, Mario Leitao, and Preetha Ramalingam, has been authored by internationally recognized experts from top institutions such as MD Anderson Cancer Center and Memorial Sloan Kettering Cancer Center. Each chapter covers different cancer subtypes and has been reviewed by an oncologist and a pathologist. Provides up-to-date clinical guidance on assessment and therapeutic options for patients with rare gynecologic malignancies. Presents information in a templated, easy-to-read format. Each chapter includes an introductory clinical case followed by epidemiology of disease, pathologic assessment, basic science/molecular/translational research, work-up of newly diagnosed disease, staging, treatment of newly diagnosed disease, treatment of recurrent disease, potential therapeutic targets, and a case resolution. Includes diagnostic and treatment algorithms for each form of cancer. Contains numerous anatomical figures, radiographs, photographs, and tables for quick visual reference. Enhanced eBook version included with purchase. Your enhanced eBook allows you to access all of the text, figures, and references from the book on a variety of devices.
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Mermaids Never Drown

Mermaids Never Drown

Zoraida C?rdova; Natalie C Parker; Darcie Little Badger; Kalynn Bayron; Preeti Chhibber; Rebecca Coffindaffer; Julie C Dao; Maggie Tokuda-Hall; Adriana Herrera; June Hur; Katherine Locke; Kerri Maniscalco; Julie Murphy; Gretchen Schreiber; Julian Winters

St Martin's Press
2023
sidottu
14 Young Adult short stories from bestselling and award-winning authors make a splash in Mermaids Never Drown - the second collection in the Untold Legends series edited by Zoraida C rdova and Natalie C. Parker - exploring mermaids like we've never seen them before A Vietnamese mermaid caught between two worlds. A siren who falls for Poseidon's son. A boy secretly pining for the merboy who saved him years ago. A storm that brings humans and mermaids together. Generations of family secrets and pain. Find all these stories and more in this gripping new collection that will reel you in from the very first page Welcome to an ocean of hurt, fear, confusion, rage, hope, humor, discovery, and love in its many forms. Edited by Zoraida C rdova and Natalie C. Parker, Mermaids Never Drown features beloved authors like Darcie Little Badger, Kalynn Bayron, Preeti Chhibber, Rebecca Coffindaffer, Julie C. Dao, Maggie Tokuda-Hall, Adriana Herrera, June Hur, Katherine Locke, Kerri Maniscalco, Julie Murphy, Gretchen Schreiber, and Julian Winters.
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