Peeling-Stiffening Self-Adhesive Ionogel with Superhigh Interfacial Toughness.

Self-adhesive materials that can directly adhere to diverse solid surfaces are indispensable in modern life and technologies. However, it remains a challenge to develop self-adhesive materials with strong adhesion while maintaining its intrinsic softness for efficient tackiness. Here, a peeling-stiffening self-adhesive ionogel that reconciles the seemingly contradictory properties of softness and strong adhesion is reported.

Aqueous spinning of robust, self-healable, and crack-resistant hydrogel microfibers enabled by hydrogen bond nanoconfinement.

Robust damage-tolerant hydrogel fibers with high strength, crack resistance, and self-healing properties are indispensable for their long-term uses in soft machines and robots as load-bearing and actuating elements. However, current hydrogel fibers with inherent homogeneous structure are generally vulnerable to defects and cracks and thus local mechanical failure readily occurs across fiber normal. Here, inspired by spider spinning, we introduce a facile, energy-efficient aqueous pultrusion spinning process to continuously produce stiff yet extensible hydrogel microfibers at ambient conditions.

Insulin Aspart Combined with Exercise Therapy in Spleen Deficiency Type Gestational Diabetes Mellitus: The Effect on Disease Control and Pregnancy Outcomes.

Objective: To investigate the effect of insulin aspart combined with exercise therapy on the disease control and pregnancy outcomes of spleen deficiency type gestational diabetes mellitus patients.

Methods: In this prospective study, a total of 102 patients with spleen deficiency type gestational diabetes mellitus admitted to our hospital from January 2019 to December 2019 were selected and assigned at a ratio of 1 : 1 via the random number table method to receive insulin aspart (control group) or insulin aspart plus exercise therapy (observation group). Outcome measures include blood sugar, clinical efficacy, adverse pregnancy outcomes, and complications.

Transition metal free decarboxylative fluoroalkylation of N-acrylamides with 3,3,3-trifluoro-2,2-dimethylpropanoic acid (TFDMPA).

A novel transition metal-free decarboxylative fluoroalkylation of activated alkenes and C-H functionalization cascade process has been developed. This approach provides an efficient way to construct valuable 1,1-dimethyl-2,2,2-trifluoroethyl substituted oxindoles.