نتایج جستجو برای: laser radiation

تعداد نتایج: 413362  

Journal: :iranian journal of radiation research 0
s.r. hosagoudar genomics and proteomics laboratory, department of sericulture, karnatak university, dharwad 580 003, karnataka, india h.b. manjunatha genomics and proteomics laboratory, department of sericulture, karnatak university, dharwad 580 003, karnataka, india

background: in the light of various applications of uv laser in biological system, we have investigated the effect of picosecond uv laser radiation on silkworm bombyx mori. materials and methods: the eggs of nb4d2 of different stages were exposed to pico second pulse laser at 355 nm from nd:yag laser for different durations. results: due to irradiation alterations in crescent larval body markin...

Abstract Objective: To evaluate and compare the analgesic effects of caudal epidural administration of lidocaine (LIDO), caudal laser radiation and epidural lidocaine plus laser radiation in horses. Study design: A blinded, randomized, prospective, experimental cross-over study. Animals: Five healthy horses, 15.7 +/- 4.9 years of age, weighing 240 +/- 37 kg. Methods: The...

ژورنال: پوست و زیبایی 2013
اباذری, محمد , مجدآبادی, عباس ,

Background and Aim: Liposuction is one of the most popular procedures for removing unwanted body fat deposits now. The conventional methods for liposuction however have many drawbacks among them is long recovery time, scars, bruising, skin flaccidity and excessive blood loss. Considering the increasing demand for body sculpting, the need to improve these techniques is of vital importance. ...

Journal: :journal of plant physiology & breeding 2011
seyed ahmad sadat noori leila ferdosizadeh ali izadi-darbandi seyed mohammad mehdi mortazavian saeedeh saghafi

laser is one of the sources that induce a biological effect in higher plants. the positive effect of laser on some crops has been proved. this research was carried out to study the effect of laser radiation on the accumulation of proline in spring wheat (triticum aestivum cv. kavir) under different nacl treatment levels. semi-coherent red beam, infrared beam and one-second harmonics of neodymiu...

Journal: :فرآوری و نگهداری مواد غذایی 0
رزاق محمودی استادیار گروه بهداشت مواد غذایی و آبزیان، دانشکده دامپزشکی دانشگاه تبریز ابراهیم صفری استادیار گروه فیزیک، دانشگاه تبریز محمد سعید حسین زاده دانش آموخته دکترای حرفه ای دامپزشکی دانشگاه تبریز

application of optical radiation such as laser and other short wavelength radiation for inactivation of many food-borne pathogen microorganisms in food industry (as major challenges in the food industry and so that many diseases are resulted from this food contamination) was known as a new technology. material and methods: effects of green continuous waves lasers on structural (using sds-page m...

عشایری, حسن, محسنی, محمدعلی,

The purpose of this study were to 1) demonstrate the effect of infrared laser radiation on the sensory nerve latency of peripheral nerve, and 2) determine temperature changes in the tissue surrounding of the treated area. Fifty health subjects without an history of right and left upper extremity pathological conditions were divided into two groups: laser (n=30) and placebo (n=20) groups. Six 1 ...

A Majdabadi

Nowadays laser is extensively used in various industrial, communicative, medical, and other fields. Using laser in medicine has enabled physicians to perform the most accurate and finest operations within few minutes. Non-observance of safety points during laser performance could be seriously harmful for the medical staff and the patient. Therefore, in order to prevent the possible damage of th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده فیزیک 1387

یک تشدیدگر برای تولید پالس های فمتوثانیه خود قفل شده مد در لیزر الکترون آزاد فرابنفش طراحی شده است که کارکرد مدولاتور آن بر پایه تغییر بهره که خود نتیجه عملکرد حلقه انباشت و خصوصیات تشدیدگر لیزر می باشد، استوار است. پهن شدگی بهره ناشی از پخش توزیع انرژی الکترون ها روی پارامترهای بهره (شدت اشباع و بهره سیگنال کوچک) اثر می گذارد و می توان جفت شدگی بهینه را محاسبه کرد. همچنین وابستگی طول پالس فوق ...

ژورنال: مجله دندانپزشکی 2001
اکبری, محمد , تک زارع, علیرضا , تک زارع, نسرین , سمیاری, حسن , یارمحمدی, کامران ,

Pain reduction and surgical wound healing enhancement have several advantages. Wound healing is a complex and organized phenomenon. During this phenomenon, definite and harmonized processes such as: reconstruction, immigration parenchyma and connective tissue cells proliferation and re-construction of gingival connective tissue take place. Studies show that lower power laser (He-Ne) can induce ...

M Mandegar Fard N Farsi

Lymphangioma circumscriptum is a congenital lymphatic malformation that results in gradual dilatation of lymphatic vessels and development of lymphatic cisterns. The treatment of choice is radical surgery. Other treatment methods including cryotherapy, sclerosing agent injections, radiation therapy and CO2 laser were suggested. We report successful treatment of a 14-year-old boy affected with l...

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