43 Result(s)

Article

Preparation and characterization of a molecularly imprinted polymer by grafting on silica supports: a selective sorbent for patulin toxin

A new molecularly imprinted polymer (MIP) has been prepared on silica beads using the radical “grafting from” polymerization method for selective extraction of minor contaminant mycotoxin of patulin (PTL). Aft...

Dayun Zhao, **gfu Jia, Xuelei Yu, **angjun Sun in Analytical and Bioanalytical Chemistry (2011)

Article

Study on the interaction of oxymatrine with bovine serum albumin

The binding reaction of oxymatrine (OMT) with bovine serum albumin (BSA) was studied by the methods of isothermal titration calorimetry, fluorescence, and circular dichroism (CD) spectroscopy. The thermodynami...

**angyu Xu, Lanying Zhu, **angjun Sun, Min Liu, Dezhi Sun… in Medicinal Chemistry Research (2011)

Article

Study on the interaction of matrine with human serum albumin in aqueous solution

**angjun Sun, **angyu Xu, Min Liu, Linwei Li, Dezhi Sun in Macromolecular Research (2010)

Article

Study on the Interaction of Matrine with Bovine Serum Albumin

The interaction of matrine (MAT) with bovine serum albumin (BSA) was studied via applying isothermal titration calorimetry, fluorescence and circular dichroism spectra. Important thermodynamic parameters were ...

**angjun Sun, **angyu Xu, Min Liu, Linwei Li, Dezhi Sun in Journal of Solution Chemistry (2010)

Article

Palaeoenvironmental changes from pollen record in deep sea core PC-1 from northern Okinawa Trough, East China Sea during the past 24 ka

A pollen record of core PC-1 from the northern Okinawa Trough, East China Sea (ECS), provides information on vegetation and climate changes since 24 cal. kaBP. A total of 103 samples were palynologically analy...

HongYan Xu, FengMing Chang, YunLi Luo, **angJun Sun in Chinese Science Bulletin (2009)

Chapter

Upper Water Structure and Paleo-Monsoon5

Hemipelagic sediments in the SCS often register higher depositional rates. Carbonate compensation depth (CCD) in this marginal ocean basin is generally deeper than neighboring sea basins. Thus the SCS offers a...

Zhimin Jian, Jun Tian, **angjun Sun in The South China Sea (2009)

Article

The records of coastline changes reflected by mangroves on the Sunda Shelf since the last 40 ka

This paper presents a 40000-year-long high-resolution mangrove record from sediments of Core 18300, 18302 and 18323 on the continental shelf of the southern South China Sea and reconstructs the coastline chang...

**aoMei Wang, **angJun Sun, Pin**an Wang, Karl Stattegger in Chinese Science Bulletin (2008)

Article

Deep sea pollen record during 12–1.6 Ma from the southern South China Sea and its response to environmental change

Based on deep-sea pollen results (512–76 m) from ODP Site 1143 in the southern South China Sea (SCS), the climate and vegetation evolution sequence on the surrounding islands and the exposed continental shelf ...

YunLi Luo, **angJun Sun in Chinese Science Bulletin (2007)

Article

A high-resolution history of vegetation and climate history on Sunda Shelf since the last glaciation

This paper presents 16500-year-long high-resolution pollen and spore records from sediments of core 18287 on the continental slope of the southern South China Sea. In the period of 16.5–13.9 ka B.P., the low-m...

**aoMei Wang, **angJun Sun, Pin**an Wang… in Science in China Series D: Earth Sciences (2007)

Article

Forcing mechanism of the Pleistocene east Asian monsoon variations in a phase perspective

The deep sea records from the ODP Sites 1143 and 1144 in the northern and southern South China Sea (SCS), including foraminiferal δ¹⁸O and δ¹³C, Opal% and pollen percentage, reveal that the variations of the east...

Jun Tian, Pinxian Wang, **nrong Cheng… in Science in China Series D: Earth Sciences (2005)

Article

Vegetation evolution and millennial-scale climatic fluctuations since Last Glacial Maximum in pollen record from northern South China Sea

In order to study vegetation evolution and environmental change since the Last Glacial Maximum (LGM), a total of 180 pollen samples with an average time resolution of 150 years were analyzed on the top parts (...

Yunli Luo, **angjun Sun in Chinese Science Bulletin (2005)

Article

Evolution of the South China Sea and monsoon history revealed in deep-sea records

As the third summary report of ODP Leg 184 to the South China Sea (SCS), this paper discusses the evolution of the East Asian monsoon and the SCS basin. A multi-proxy approach, involving geochemistry, micropal...

Pinxian Wang, Zhimin Jian, Quanhong Zhao, Qianyu Li… in Chinese Science Bulletin (2003)

Article

Deep-sea pollen research in China

This paper briefly presents the progress of deep-sea pollen research in China since the beginning of ninetieths of the last Century. All the deep-sea pollen contributions mainly come from the South China Sea (...

**angjun Sun, Yunli Luo, Huaicheng Chen in Chinese Science Bulletin (2003)

Article

Preparation and vibrational modes of C₆₀ · 2CHBr₃

C₆₀· 2CHBr₃ polycrystalline powder was prepared by the solution method. The vibrational modes of the sample were studied by Raman scattering and infrared adsorption techniques. The Raman spectra showed that the A

Hongnian Li, Haiyang Li, Taiquan Wu, Shaolong He, Yangjun Sun… in Chinese Science Bulletin (2003)

Article

Records of natural fire and climate history during the last three glacial-interglacial cycles around the South China Sea

The history of natural fire and its relationship to climate during the last three glacial-interglacial cycles in the Southern coast areas of China and the northern continental shelf of the South China Sea (SCS...

Yunli Luo, Huaicheng Chen, Guoxuan Wu… in Science in China Series D: Earth Sciences (2001)

Article

Pollen record of the last 280 ka from deep sea sediments of the northern South China Sea

Environmental history of the northern continental shelf of the South China Sea during the last 280 ka BP, e.g. Marine Isotope Stages 1–8 (MIS 1–8) was reconstructed based on pollen record from the top 225m of ...

**angjun Sun, Yunli Luo in Science in China Series D: Earth Sciences (2001)

Article

Paleoenvironmental information recorded by pollen in B-3GC gravity core in Okinawa Trough

Based on pollen records in B-3GC gravity core, environmental change since 9500 aBP of Okinawa Trough and its adjacent islands was derived. The result showed that the most time during this period was in a warm ...

Changqing Song, **angjun Sun, Saito Yoshiki in Chinese Science Bulletin (2001)

Article

Evidence for natural fire and climate history since 37 ka BP in the northern part of the South China Sea

The history of natural fire since 37 kaBP and its relationship to climate for the northern part of the South China Sea are revealed from the statistic study of charcoal particles and associated pollen data fro...

**angjun Sun, Xun Li, Huaicheng Chen in Science in China Series D: Earth Sciences (2000)

Article

Mechanism for the addition of carbenoid CH₂ClLi to formaldehyde

Ab initio HF/6-31G calculations have been performed for the addition mechanism of carbenoid CH₂ClLi with formaldehyde in tetrahydrofuran. An early complex of formaldehyde with CH₂ClLi is first fo...

Jihai Li, Changjun Sun, Shaojie Liu, Shengyu Feng… in Science in China Series B: Chemistry (2000)

Article

Palynological record of paleovegetation change during holocene at North tumd plain in Inner Mongolia, China

In this paper, the Holocene paleoenvironment change sequence in middle Inner Mongolia was primarily reconstructed on the basis of palynological analysis at the resolution of 70 years on a peat profile, which w...

Fengyu Wang, Changqing Song, **angjun Sun in Chinese Geographical Science (1999)