نتایج جستجو برای: dabco

تعداد نتایج: 307  

2014
Sergiy Avilov Romain Berardozzi Mudalige S. Gunewardene Virgile Adam Samuel T. Hess Dominique Bourgeois

Single-molecule localization microscopy of biological samples requires a precise knowledge of the employed fluorescent labels. Photoactivation, photoblinking and photobleaching of phototransformable fluorescent proteins influence the data acquisition and data processing strategies to be used in (Fluorescence) Photoactivation Localization Microscopy ((F)-PALM), notably for reliable molecular cou...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم 1392

چارچوب¬های فلز-آلی به عنوان طبقه جدیدی از مواد کریستالی متخلخل پدیدار شده¬اند. کاهش اندازه ذرات این ترکیبات به ابعاد نانو بسیار جذاب است. یکی از تکنیک¬های مورد استفاده برای تهیه این دسته از ترکیبات در ابعاد نانو روش مدولاسیون است. در این روش از ترکیبی با گروه عاملی مشابه با یکی از اتصال دهنده¬های آلی استفاده می¬شود که در رقابت با یکدیگر ترکیب مدوله ساز اطراف سایت فعال فلزی قرار گرفته و اجازه رش...

Journal: :Frontiers in Chemistry 2021

Metal-organic frameworks, MOFs, offer an effective template for polymerisation of polymers with precisely controlled structures within the sub-nanometre scales. However, synthetic difficulties such as monomer infiltration, detailed understanding mechanisms MOF nanochannels and mechanism removing post have prevented wide scale implementation in MOFs. This is partly due to significant lack energe...

2010
Aaron D. Finke Danielle L. Gray Jeffrey S. Moore

The title compound, C(7)H(14)BrN(2) (+)·Br(-), was prepared by nucleophilic substitution of DABCO (systematic name: 1,4-diaza-bicyclo-[2.2.2]octa-ne) with dibromo-methane in acetone. The structure features Br⋯H close contacts (2.79 and 2.90 Å) as well as a weak bromine-bromide inter-action [3.6625 (6) Å].

Journal: :Dalton transactions 2010
Ja-Min Gu Tae-Hwan Kwon Ji-Hyun Park Seong Huh

A Zn-MOF assembled from a new C(2h)-symmetric terphenyl dicarboxylate and DABCO was prepared and characterized by X-ray crystallography and gas sorption analysis: a preferential sorption of CO(2) over N(2) and H(2) was observed with an exceptionally high CO(2) adsorption enthalpy.

Journal: :Chemical communications 2012
Shengqing Ye Jie Wu

A novel and efficient route to aryl N-aminosulfonamides via a palladium-catalyzed three-component coupling of arylboronic acids, sulfur dioxide and hydrazines in the presence of a balloon of dioxygen is reported. The reaction proceeded smoothly under mild conditions and DABCO·(SO(2))(2) was used as the source of sulfur dioxide.

Journal: :Journal of Physical Chemistry A 2021

The real-time dynamics of DABCO–argon clusters is investigated in a femtosecond pump–probe experiment where the pump excites DABCO to S1 state within argon cluster. probe operates by photoionization and documents energy angular distributions resulting photoelectrons. present work complements previous from our group [Awali Phys. Chem. Phys., 2014, 16, 516−526] this was probed at short time, up 4...

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