A pyridinium-functionalized chitosan derivative as ecofriendly carrier for efficient adsorption and controlled release of 2,4-dichlorophenoxyacetic acid sodium.

Herbicides with wide use and low efficiency in agriculture severely threaten the environment. However, employing adsorbents and controlled-release formulations (CRFs) can alleviate these environmental risks. Herein, a pyridinium-functionalized chitosan derivative (PFCS) was prepared successfully and characterized by various techniques.

[Study of syndrome differentiation factor of gouty arthritis with blood stasis syndrome based on connection number].

Objective: To find the related syndrome factors of gouty arthritis with blood stasis syndrome by mathematical methods of set pair analysis and connection number so as to guide the diagnosis.

Methods: Seventy gouty arthritis patients diagnosed with blood stasis syndrome were analyzed according to priority by the method of connection number. Syndrome factors of gouty arthritis with blood stasis syndrome were selected according to the numerical values of dialectics connection value (DCV).

[Qinzhu Liangxue Decoction in treatment of blood-heat type psoriasis vulgaris: a randomized controlled trial].

Objective: To explore the clinical efficacy of Qinzhu Liangxue Decoction (QZLXD), a compound traditional Chinese herbal medicine, in patients with blood-heat type psoriasis vulgaris.

Methods: Fifty-eight patients diagnosed with blood-heat type psoriasis vulgaris were randomly divided into two groups: QZLXD group (30 cases) and ampeptide group (28 cases). Patients in both groups were treated for 4 weeks.