VaR analytics: Portfolio structure, key rate convexities, and VaR betas

TSY Ho, MZH Chen, FHT Eng - Journal of portfolio …, 1996 - search.proquest.com
FRED HT ENG is an analyst in the Research Group at Global Advanced Technology
Corporation. his article describes a new approach to determining the value-at-risk (VAR) of a …

Intramolecular H-Bonds in an Organocatalyst Enabled an Asymmetric Michael/Alkylation Cascade Reaction to Construct Spirooxindoles Incorporating a Densely …

N Wang, X Yan, ZT Hu, Y Feng, L Zhu, ZH Chen… - Organic …, 2022 - ACS Publications
… with activated olefins via a cascade Michael/alkylation annulation sequence in an
operationally … (13,14) Herein, we report an efficient asymmetric cascade Michael addition/alkylation …

Molecular evolution of grass stomata

ZH Chen, G Chen, F Dai, Y Wang, A Hills, YL Ruan… - Trends in Plant …, 2017 - cell.com
Grasses began to diversify in the late Cretaceous Period and now dominate more than one
third of global land area, including three-quarters of agricultural land. We hypothesize that …

Tandem Michael–Nucleouphilic Addition of 2‐Cyclopropylidene Propionaldehyde—A Novel Method for the Synthesis of Spirocyclopropane‐Annulated Heterocycles

X Huang, L Yu, ZH Chen - Synthetic communications, 2005 - Taylor & Francis
… The ester group of 2‐bromo‐2‐cyclopropylideneacetate enabled the Michael addition
because of its electron‐withdrawing property and the leaving group bromide enabled the …

Dynamic regulation of guard cell anion channels by cytosolic free Ca2+ concentration and protein phosphorylation

ZH Chen, A Hills, CK Lim, MR Blatt - The Plant Journal, 2010 - Wiley Online Library
In guard cells, activation of anion channels (I anion ) is an early event leading to stomatal
closure. Activation of I anion has been associated with abscisic acid (ABA) and its elevation of …

Enantioselective syntheses of FR901464 and spliceostatin A: potent inhibitors of spliceosome

AK Ghosh, ZH Chen - Organic letters, 2013 - ACS Publications
… The functionalized tetrahydropyran B-ring was synthesized utilizing a Corey–Bakshi–Shibata
reduction, an Achmatowicz reaction, and a stereoselective Michael addition as the key …

[HTML][HTML] Dynamic genome evolution in a model fern

DB Marchant, G Chen, S Cai, F Chen, P Schafran… - Nature Plants, 2022 - nature.com
The large size and complexity of most fern genomes have hampered efforts to elucidate
fundamental aspects of fern biology and land plant evolution through genome-enabled research…

Enantioselective total syntheses of FR901464 and spliceostatin A and evaluation of splicing activity of key derivatives

AK Ghosh, ZH Chen, KA Effenberger… - The Journal of organic …, 2014 - ACS Publications
… , Achmatowicz rearrangement, Michael addition, and reductive amination as key steps. The
remarkable diastereoselectivity of the Michael addition was specifically demonstrated with …

Evolutionary conservation of ABA signaling for stomatal closure

…, G Zhang, BJ Pogson, MR Blatt, ZH Chen - Plant …, 2017 - academic.oup.com
Abscisic acid (ABA)-driven stomatal regulation reportedly evolved after the divergence of
ferns, during the early evolution of seed plants approximately 360 million years ago. This …

Systems dynamic modeling of the stomatal guard cell predicts emergent behaviors in transport, signaling, and volume control

ZH Chen, A Hills, U Bätz, A Amtmann, VL Lew… - Plant …, 2012 - academic.oup.com
The dynamics of stomatal movements and their consequences for photosynthesis and
transpirational water loss have long been incorporated into mathematical models, but none have …