Background An epidemic of Coronavirus Disease 2019 (COVID-19) began in December 2019
and triggered a Public Health Emergency of International Concern (PHEIC). We aimed to …

Metal–organic frameworks (MOFs) are an emerging class of porous materials with potential
applications in gas storage, separations, catalysis, and chemical sensing. Despite numerous …

Clustered regularly interspaced short palindromic repeats (CRISPR) system provides
adaptive immunity against plasmids and phages in prokaryotes. This system inspires the …

Background The relationship between macronutrients and cardiovascular disease and
mortality is controversial. Most available data are from European and North American …

Type 2 diabetes (T2D) is a major comorbidity of COVID-19. However, the impact of blood
glucose (BG) control on the degree of required medical interventions and on mortality in …

We demonstrate a new approach to known-plaintext attack on an optical encryption scheme
based on double random phase keys. With this attack an opponent can access both random …

Rationale: Use of ACEIs (angiotensin-converting enzyme inhibitors) and ARBs (angiotensin
II receptor blockers) is a major concern for clinicians treating coronavirus disease 2019 (…

Perfect graphene is believed to be the strongest material. However, the useful strength of
large-area graphene with engineering relevance is usually determined by its fracture …

Background The association between intake of fruits, vegetables, and legumes with
cardiovascular disease and deaths has been investigated extensively in Europe, the USA, Japan, …

Background Since December 2019, SARS-CoV-2 has extended to most parts of China with
>80 000 cases and to at least 100 countries with >60 000 international cases as of 15 March …