نتایج جستجو برای: کائوچوی br

تعداد نتایج: 40385  

Journal: :Chemical and Biochemical Engineering Quarterly 2021

Cyclohexanol is an organic chemical intermediate product widely used in chemical<br /> industry and commonly produced by cyclohexene hydration. Because of the low mutual<br solubility water, reaction limited equilibrium,<br which has disadvantage conversion cyclohexene. In this paper, hydration catalysed A-36 cation exchange resin catalyst was analysed Aspen Plus V8.6 simulation sof...

2002
Dirk Jäger Marc Unkelbach Claudia Frei Florian Bert Matthew J. Scanlan Elke Jäger Lloyd J. Old Yao-Tseng Chen

Serological analysis of recombinant cDNA expression libraries (SEREX) has led to the identification of several categories of new tumor antigens. We analyzed a testicular cDNA expression library with serum obtained from a breast cancer patient and isolated 13 genes designated NW-BR-1 through NW-BR-13. Of these, 3 showed tumorrestricted expression (NW-BR-1, -2 and -3), the others being expressed ...

2012
Thomas Hartwig Claudia Corvalan Norman B. Best Joshua S. Budka Jia-Ying Zhu Sunghwa Choe Burkhard Schulz

Brassinosteroids (BRs) are steroidal hormones that play pivotal roles during plant development. In addition to the characterization of BR deficient mutants, specific BR biosynthesis inhibitors played an essential role in the elucidation of BR function in plants. However, high costs and limited availability of common BR biosynthetic inhibitors constrain their key advantage as a species-independe...

Journal: :Biochemistry 1996
V Hagen C Dzeja S Frings J Bendig E Krause U B Kaupp

Photolabile compounds which rapidly release cAMP or cGMP after photolysis are widely used for in situ studies of signaling pathways inside cells. We synthesized two novel caged compounds, 4,5-dimethoxy-2-nitrobenzyl 8-Br-cAMP (caged 8-Br-cAMP) and 4,5-dimethoxy-2-nitrobenzyl 8-Br-cGMP caged 8-BR-cGMP), which respectively release the hydrolysis-resistant analogues 8-Br-cAMP and 8-Br-cGMP. Their ...

Journal: :Jurnal Ledalero 2023

<p>This paper emphasizes globalization as a cultural phenomenon, one that has repeatedly been neglected<br />academically. It is better known an economic phenomenon for its capitalism-related, production-oriented<br />system and growth. Thus, the global economy no longer affected by nations but transnational<br />companies. However, primarily phenomenon. Closely related ...

Journal: :Biophysical journal 2008
Yann Gohon Tassadite Dahmane Rob W H Ruigrok Peter Schuck Delphine Charvolin Fabrice Rappaport Peter Timmins Donald M Engelman Christophe Tribet Jean-Luc Popot Christine Ebel

The membrane protein bacteriorhodopsin (BR) can be kept soluble in its native state for months in the absence of detergent by amphipol (APol) A8-35, an amphiphilic polymer. After an actinic flash, A8-35-complexed BR undergoes a complete photocycle, with kinetics intermediate between that in detergent solution and that in its native membrane. BR/APol complexes form well defined, globular particl...

2017
Nobuyuki Matsushita Ayako Taira Yoshiya Taoka

The title salt, catena-poly[[[bis-(ethyl-enedi-amine)-platinum(II)]-μ-bromido-[bis(ethyl-enedi-amine)-platinum(IV)]-μ-bromido] tetra-kis-(2-bromo-ethane-sulfon-ate) dihydrate], {[PtIIPtIVBr2(C2H8N2)4](C2H4BrSO3)4·2H2O} n , crystallizes in the space group P21212. It has a linear chain structure extending parallel to the c axis, composed of square-planar [Pt(en)2]2+ and elongated octa-hedral tran...

Journal: :Journal of bioenergetics and biomembranes 2015
Ahmad Molaeirad Amineh Leilabadi Asl Maryam Khayati Mahdi Alijanianzadeh

Bacteriorhodopsin (BR) is a transmembrane protein which able to transport protons through cell membrane and thus converting solar energy to electrical energy. Up to now different strategies have been used to immobilize BR. In the present study the BR has been immobilized on polycarbonate surface with two different methods. The functional groups of polycarbonate were modified in two ways (sulfur...

Journal: :The Plant cell 2014
Hongning Tong Yunhua Xiao Dapu Liu Shaopei Gao Linchuan Liu Yanhai Yin Yun Jin Qian Qian Chengcai Chu

Brassinosteroid (BR) and gibberellin (GA) are two predominant hormones regulating plant cell elongation. A defect in either of these leads to reduced plant growth and dwarfism. However, their relationship remains unknown in rice (Oryza sativa). Here, we demonstrated that BR regulates cell elongation by modulating GA metabolism in rice. Under physiological conditions, BR promotes GA accumulation...

2011
Kew-Yu Chen Ming-Jen Chang Tzu-Chien Fang

The title compound, C(15)H(12)Br(2), comprises a norbornane unit having a dibromo-naphthalene ring fused on one side. Both Br atoms are twisted slightly out of the plane of the naphthalene ring system with a Br-C-C-Br torsion angle of 5.3 (5)°. In the crystal, mol-ecules are linked by weak inter-molecular C-H⋯Br hydrogen bonds, forming an infinite C(9) chain along [110].

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