Huan Zhao

Seven previously undescribed seco-abietane and seco-isopimarane type diterpenoids from Biscogniauxia sp. and their biological activities

Meng Zhang, Yang Yan, Wen Hua Bi, Liuyuan Ma et autres

th, cn (code pays fourni par la source)

Bioacive Seco-abietane and Seco-isopimarane Type Diterpenoids from Biscogniauxia sp.

Huan Zhao, Meng Zhang, Wen Hua Bi, Liuyuan Ma et autres

Three new seco-abietane type ( 1 − 3 ) and four new 3, 4 seco-isopimarane type diterpenoids ( 4 − 7 ) have been isolated from Biscogniauxia sp. 71-10-1-1. Their structures were determined by spectroscopic analyses, quantum chemical ECD calculations, 13 C …

cn, cz (code pays fourni par la source)

Hepatoprotective Ring B-Seco Flavonoids and Sesquiterpenoids from the Bark of Cinnamomum cassia Presl

Bingbing Yan, Shuli Duan, Z.S. Liu, Tao Zhang et autres

Two new ring B-seco flavonoids ( 1 and 2 ), five new cadinane sesquiterpenoids ( 3 – 7 ), and three previously described relevant isolates ( 8 – 10 ) are isolated from a beloved food and spice with medicinal properties ( …

cn (code pays fourni par la source)

Asset Value Assessment in Biological Mortgage Loans for Biological Asset-Valuation Methods in Biological Asset Changes

Huan Zhao

As a new collateral financing model, biological asset mortgages broaden the scope of agricultural credit collateral and help enhance the convenience and accessibility of financing for farmers and agricultural enterprises. However, the difficulties in assessing the value of biological assets and risk …

Lingguizhugan decoction inhibit pulmonary hypertension by regulating macrophage IL-6 secretion via IL-33/ST2 pathway

Zhengwei Dong, Zhifeng Xue, Min Zhang, Liming Wang et autres

cn (code pays fourni par la source)

Generation of two novel furanosteroids via heterologous expression of demethoxyviridin biosynthetic genes in a wortmannin-producing strain

Wei Jiang, Linhuan Li, Huan Zhao, Shao-Yang Li et autres

Two novel furanosteroids were identified by introducing the P450 enzyme gene vidD , which is involved in 11,12-dehydrogenation during the biosynthesis of demethoxyviridin, into the wortmannin-producing strain Talaromyces wortmannii ATCC 26942.

cn (code pays fourni par la source)

Hard-Synth: Synthesizing Diverse Hard Samples for ASR using Zero-Shot TTS and LLM

Jiawei Yu, Yuang Li, Xiaosong Qiao, Huan Zhao et autres

Text-to-speech (TTS) models have been widely adopted to enhance automatic speech recognition (ASR) systems using text-only corpora, thereby reducing the cost of labeling real speech data. Existing research primarily utilizes additional text data and predefined speech styles supported by TTS models. In …

New sesquiterpenoids from Biscogniauxia sp.

Meng Zhang, Huan Zhao, Jing-Wen Kong, Mei-Gu Chen et autres

Five new sesquiterpenoids, including a campherenane-type (1), a bergamotane-type (2), a drimane-type (3), and two bisabolane-type (5-6) sesquiterpenoids have been isolated from Biscogniauxia sp. 71-10-1-1. Their structures were determined by spectroscopic analyses, quantum chemical ECD calculations,13C chemical shifts calculations, and X-ray crystallography. …

cn (code pays fourni par la source)

Research on Capital Structure and Investment Value of Supermarket Industry

Haocheng Huang, Zecheng Liu, Huan Zhao

This paper focuses on researching the capital structure and investment value of the supermarket industry, specifically examining the impact of epidemiological events on value investment within this sector. The objective is to explore the factors that influence capital structure decisions and their …

us, cn (code pays fourni par la source)

Cordythiazole A, the first member of thiazole alkaloids from Chinese cordyceps, with α-glucosidase inhibitory activity

Xue Han, Lihua Liu, Xiaoying Fang, Shu-Tai Jiang et autres

cn, th (code pays fourni par la source)

Two new alkaloids from a strain of endophytic fungus Aspergillus sp.

Bei-Qian Deng, Ming-Qi Chen, Hong-Xiao Wang, Xiaoxia Wang et autres

19-Hydroxybrevianamide M (1) and 6 R-methoxybrevianamide V (2), two new alkaloids, were isolated from an extract of the endophytic fungus Aspergillus sp. JNU18HC0517J, together with six known analogues (3– 8). Their structures were elucidated by extensive spectroscopic analyses, NMR calculations, and ECD …

cn (code pays fourni par la source)

Two New Diterpenoids from Biscogniauxia sp. and Their Activities

Huan Zhao, Yue Liu, Meng Zhang, Guo‐Dong Chen et autres

Two new diterpenoids, including a seco-isopimarane type (1) and an abietane type (2), were isolated from Biscogniauxia sp. (71-10-1-1). Their structures, including absolute configurations, were elucidated by NMR spectroscopic analyses, X-ray crystallography, 13C chemical shifts calculations, and ECD calculations. This is the …

cn (code pays fourni par la source)