نتایج جستجو برای: fluorescence

تعداد نتایج: 107636  

Journal: :Angewandte Chemie 2014
Annemieke van Dam Janina C V Schwarz Judith de Vos Maria Siebes Titia Sijen Ton G van Leeuwen Maurice C G Aalders Saskia A G Lambrechts

No forensic method exists that can reliably estimate the age of fingermarks found at a crime scene. Information on time passed since fingermark deposition is desired as it can be used to distinguish between crime related and unrelated fingermarks and to support or refute statements made by the fingermark donors. We introduce a non-contact method that can estimate the age of fingermarks. Fingerm...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده کشاورزی 1386

استفاده بیش از حد ماشین آلات کشاورزی و شرایط خاکی موجب افزایش تراکم خاک شده است. تراکم خاک با تاثیر بر تعادل هیدرولوژیکی، تهویه و توسعه ی ریشه، بر رشد گیاهان اثر گذاشته و باعث کاهش رشد ریشه، کاهش جذب عناصر غذایی و در نتیجه کاهش عملکرد گیاهان می شود. در این پژوهش تأثیر به کارگیری گونه های سودوموناس (p. fluorescence, p. putida) و میکوریزا آربوسکولار (arbuscular mycorrhizae) در کاهش اثرات سوء تراک...

بخشی, سعیدرضا, برهانی, غلامحسین, خواجه لکزای, محمد,

In this study, synthesis of silicon nitride by mechanical alloying and the effects of important parameters of milling time and heat treatment temperature, time and rate are presented. Silicon micro powder and nitrogen gas were used as precursor materials. Synthesized phases, morphology and particle size were investigated by X-ray diffraction pattern (XRD) and Field emission scanning electron mi...

Journal: :Wiley Interdisciplinary Reviews: Systems Biology and Medicine 2009

We synthesized four novel benzoxazolic and benzimidazolic derivatives of 6-hydroxycoumarin and their photophysical properties were studied. The products with brilliant yellow color shades declared green fluorescence. The emission peaks of the products appeared 456–474 nm. The important characteristic for fluorescent compounds, the Stokes shift νA-νF, oscillator strength f, and fluorescence quan...

Simultaneous laser induced- breakdown spectroscopy (LIBS) and acoustic response techniques as well as Laser induced fluorescence (LIF) are applied to investigate the abnormal lymph tissues due to Hodgkin disease. The spectral shift in the emissive fluorescence of the cancerous tissues has been observed respect to the normal ones. Regarding LIBS, the concentrations of Ca and Na trace elements ha...

Journal: :Methods in cell biology 2010
Jennifer L Ross Ram Dixit

Microtubules are part of a complex mechano-chemical network inside cells. In order to understand how the components of these systems work together, careful in vitro experiments must be performed with added complexity. These experiments can ideally image all the interacting species. In order to image these molecules, multiple-color fluorescence imaging can be performed. In this chapter, we descr...

Journal: :Nihon Kessho Gakkaishi 1985

Journal: :Nature Photonics 2016

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