Results 61 to 70 of about 21,683 (285)

A Fluorescent and Colorimetric Chemosensor for Hg2+ Based on Rhodamine 6G With a Two-Step Reaction Mechanism

open access: yesFrontiers in Chemistry, 2020
A fluorescent and colorimetric chemosensor L based on rhodamine 6G was designed, synthesized, and characterized. Based on a two-step reaction, the chemosensor L effectively recognized Hg2+.
Cui-Bing Bai   +15 more
doaj   +1 more source

ultraviolet-visible spectrophotometry (UV-VIS) (3-azido-4-[(E)-2-(2-azido-4-carboxyphenyl)ethenyl]benzoic acid)

open access: yes, 2020
dataset for ultraviolet-visible spectrophotometry (UV-VIS) UV-VIS (MeOH), λmax = 262, 317, 355 ...
Grosjean, Sylvain
core   +1 more source

ultraviolet-visible spectrophotometry (UV-VIS) (3-[(E)-2-[3-[(E)-2-[3-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecoxy)quinoxalin-2-yl]ethenyl]quinoxalin-2-yl]ethenyl]quinoxaline-2-carbaldehyde)

open access: yes, 2022
dataset for ultraviolet-visible spectrophotometry (UV-VIS) UV-VIS (absorption, CH2Cl2), λmax = 392, 313, 246 ...
Klein, Jérôme
core   +1 more source

Lighting up Macrophage Reprogramming Assists Immunosuppressive Niche Modulation in Primary Tumors and Tumor‐Draining Lymph Nodes of Breast Cancer

open access: yesAdvanced Science, EarlyView.
This study develops an intelligent NIR‐II‐responsive nanoplatform to combat immunosuppression in breast cancer. It enables real‐time visualization of macrophage activity via “off‐on” fluorescence while simultaneously reprogramming macrophages through the CSF‐1R and CD47‐SIRPα pathways.
Yingbo Li   +14 more
wiley   +1 more source

Formation of fatty acid esterified vitamin D3 in rat skin by exposure to ultraviolet radiation

open access: yesJournal of Lipid Research, 1983
The formation of fatty acid esters of vitamin D3 was demonstrated in rat skin exposed to artificial ultraviolet rays by using multi-dimensional high-performance liquid chromatography, ultraviolet spectrophotometry, and gas-liquid chromatography-mass ...
K Takada
doaj   +1 more source

ultraviolet-visible spectrophotometry (UV-VIS) (2-[4-(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluorononyl)-1,3-dioxolan-2-yl]-3-[(E)-2-(3-methylquinoxalin-2-yl)ethenyl]quinoxaline)

open access: yes, 2022
dataset for ultraviolet-visible spectrophotometry (UV-VIS) UV-VIS (absorption, CH2Cl2), λmax = 379, 282 ...
Klein, Jérôme
core   +1 more source

A Microgel Platform Enables Site‐Specific Intestinal Delivery of Lactoferrin, Improving its Bioavailability for Targeted Alleviating Liver Injury and Colitis

open access: yesAdvanced Science, EarlyView.
This work first time reports an eco‐friendly desert plant food‐based polysaccharide ASKP microgels which have intestinal site‐specific release properties which can achieve small‐intestine or colon targeting capability via different cross‐linking chemistry.
Huiling Yan   +10 more
wiley   +1 more source

Determination of Nicotine in Libyan Smokers and Nonsmokers’ Urine samples by Ultraviolet-Visible Spectrophotometry

open access: yesمجلة العلوم البحتة والتطبيقية, 2020
This study was aimed to determine the nicotine in Libyan smokers and nonsmokers ’urine. Twenty urine samples are collected from smokers and nonsmokers. Each volunteer was required to complete a questionnaire before providing the urine sample. The samples
Galal M. Elmanfe, Suad K. Omar , Ahmad B. Eznien
doaj   +1 more source

ultraviolet-visible spectrophotometry (UV-VIS) (3-[(E)-2-[3-[(E)-2-(3-octoxyquinoxalin-2-yl)ethenyl]quinoxalin-2-yl]ethenyl]quinoxaline-2-carbaldehyde)

open access: yes, 2022
dataset for ultraviolet-visible spectrophotometry (UV-VIS) UV-VIS (absorption, CH2Cl2), λmax = 392, 310, 258 ...
Klein, Jérôme
core   +1 more source

Understanding the Catalytic Determinant role of Diaphorase‐Like Subunit in Formate Dehydrogenases via Redox Couples

open access: yesAdvanced Science, EarlyView.
A unique mechanism of catalytic bias regulated by diaphorase‐like subunit in formate dehydrogenase from Rhodobacter aestuarii is revealed. The diaphorase‐like subunit functions act as a biological “voltage rheostat” that controls the slow release of NADH to regulate redox balance, biasing the enzyme's catalytic preference toward CO2 reduction over ...
Kuncheng Zhang   +7 more
wiley   +1 more source

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